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-rw-r--r--tex/context/base/mkii/cont-new.mkii2
-rw-r--r--tex/context/base/mkii/context.mkii2
-rw-r--r--tex/context/base/mkiv/cont-new.mkiv2
-rw-r--r--tex/context/base/mkiv/context.mkiv2
-rw-r--r--tex/context/base/mkiv/lpdf-mis.lua2
-rw-r--r--tex/context/base/mkiv/mlib-int.lua15
-rw-r--r--tex/context/base/mkiv/mlib-lua.lua148
-rw-r--r--tex/context/base/mkiv/mult-fun.lua22
-rw-r--r--tex/context/base/mkiv/page-sid.mkiv64
-rw-r--r--tex/context/base/mkiv/publ-dat.lua16
-rw-r--r--tex/context/base/mkiv/publ-imp-apa.mkvi14
-rw-r--r--tex/context/base/mkiv/publ-imp-cite.mkvi9
-rw-r--r--tex/context/base/mkiv/spac-ver.lua16
-rw-r--r--tex/context/base/mkiv/status-files.pdfbin26025 -> 26103 bytes
-rw-r--r--tex/context/base/mkiv/status-lua.pdfbin262992 -> 264574 bytes
-rw-r--r--tex/context/base/mkiv/typo-dir.mkiv164
-rw-r--r--tex/context/base/mkiv/util-sha.lua28
-rw-r--r--tex/context/interface/mkiv/i-context.pdfbin844592 -> 846730 bytes
-rw-r--r--tex/context/interface/mkiv/i-readme.pdfbin61061 -> 61191 bytes
-rw-r--r--tex/generic/context/luatex/luatex-fonts-merged.lua37652
20 files changed, 37965 insertions, 193 deletions
diff --git a/tex/context/base/mkii/cont-new.mkii b/tex/context/base/mkii/cont-new.mkii
index a28121d0d..b3af30ada 100644
--- a/tex/context/base/mkii/cont-new.mkii
+++ b/tex/context/base/mkii/cont-new.mkii
@@ -11,7 +11,7 @@
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
-\newcontextversion{2018.07.10 15:52}
+\newcontextversion{2018.07.13 09:47}
%D This file is loaded at runtime, thereby providing an
%D excellent place for hacks, patches, extensions and new
diff --git a/tex/context/base/mkii/context.mkii b/tex/context/base/mkii/context.mkii
index 6a88fbd1c..d0b75b26e 100644
--- a/tex/context/base/mkii/context.mkii
+++ b/tex/context/base/mkii/context.mkii
@@ -20,7 +20,7 @@
%D your styles an modules.
\edef\contextformat {\jobname}
-\edef\contextversion{2018.07.10 15:52}
+\edef\contextversion{2018.07.13 09:47}
%D For those who want to use this:
diff --git a/tex/context/base/mkiv/cont-new.mkiv b/tex/context/base/mkiv/cont-new.mkiv
index e2e0376c8..4f62413f8 100644
--- a/tex/context/base/mkiv/cont-new.mkiv
+++ b/tex/context/base/mkiv/cont-new.mkiv
@@ -11,7 +11,7 @@
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
-\newcontextversion{2018.07.10 15:52}
+\newcontextversion{2018.07.13 09:47}
%D This file is loaded at runtime, thereby providing an excellent place for
%D hacks, patches, extensions and new features.
diff --git a/tex/context/base/mkiv/context.mkiv b/tex/context/base/mkiv/context.mkiv
index 5407da02a..bbc3aa669 100644
--- a/tex/context/base/mkiv/context.mkiv
+++ b/tex/context/base/mkiv/context.mkiv
@@ -42,7 +42,7 @@
%D has to match \type {YYYY.MM.DD HH:MM} format.
\edef\contextformat {\jobname}
-\edef\contextversion{2018.07.10 15:52}
+\edef\contextversion{2018.07.13 09:47}
\edef\contextkind {beta}
%D For those who want to use this:
diff --git a/tex/context/base/mkiv/lpdf-mis.lua b/tex/context/base/mkiv/lpdf-mis.lua
index bf156ebe5..679824345 100644
--- a/tex/context/base/mkiv/lpdf-mis.lua
+++ b/tex/context/base/mkiv/lpdf-mis.lua
@@ -89,7 +89,7 @@ local function initializenegative()
Range = a,
Domain = a,
}
- local negative = pdfdictionary { Type = g, TR = pdfreference(pdfflushstreamobject("{ 1 exch sub }",d)) }
+ local negative = pdfdictionary { Type = g, TR = pdfreference(pdfflushstreamobject("{ 1 exch sub }",d)) } -- can be shared
local positive = pdfdictionary { Type = g, TR = pdfconstant("Identity") }
adddocumentextgstate("GSnegative", pdfreference(pdfflushobject(negative)))
adddocumentextgstate("GSpositive", pdfreference(pdfflushobject(positive)))
diff --git a/tex/context/base/mkiv/mlib-int.lua b/tex/context/base/mkiv/mlib-int.lua
index bd3ba213f..5abc49a52 100644
--- a/tex/context/base/mkiv/mlib-int.lua
+++ b/tex/context/base/mkiv/mlib-int.lua
@@ -97,7 +97,7 @@ mp.HSize = mp.CurrentWidth
mp.VSize = mp.CurrentHeight
mp.LastPageNumber = mp.NOfPages
-function mp.PageFraction ()
+function mp.PageFraction()
local lastpage = getcount("lastpageno")
if lastpage > 1 then
mpprint((getcount("realpageno")-1)/(lastpage-1))
@@ -124,18 +124,9 @@ function mp.OverlayDepth () mpprint(getdimen("d_overlay_depth") *factor)
function mp.OverlayLineWidth () mpprint(getdimen("d_overlay_linewidth")*factor) end
function mp.OverlayOffset () mpprint(getdimen("d_overlay_offset") *factor) end
-function mp.defaultcolormodel()
+function mp.mf_default_color_model()
local colormethod = getcount("MPcolormethod")
- -- if colormethod == 0 then
- -- return 1
- -- elseif colormethod == 1 then
- -- return 1
- -- elseif colormethod == 2 then
- -- return 3
- -- else
- -- return 3
- -- end
- return (colormethod == 0 or colormethod == 1) and 1 or 3
+ return mpprint((colormethod == 0 or colormethod == 1) and 1 or 3)
end
-- not much difference (10000 calls in a graphic neither as expansion seems to win
diff --git a/tex/context/base/mkiv/mlib-lua.lua b/tex/context/base/mkiv/mlib-lua.lua
index 785d3c947..1c7b069cd 100644
--- a/tex/context/base/mkiv/mlib-lua.lua
+++ b/tex/context/base/mkiv/mlib-lua.lua
@@ -122,17 +122,11 @@ do
mp._f_ = _f_ -- convenient to have it in a top module
aux.flush = _f_
- local f_code = formatters["%s return mp._f_()"]
+ ----- f_code = formatters["%s return mp._f_()"]
local f_integer = formatters["%i"]
- -- local f_numeric = formatters["%.16f"]
- -- local f_pair = formatters["(%.16f,%.16f)"]
- -- local f_triplet = formatters["(%.16f,%.16f,%.16f)"]
- -- local f_quadruple = formatters["(%.16f,%.16f,%.16f,%.16f)"]
- -- %N
-
- local f_numeric = formatters["%n"]
+ local f_numeric = formatters["%n"] -- maybe %N
local f_pair = formatters["(%n,%n)"]
local f_ctrl = formatters["(%n,%n) .. controls (%n,%n) and (%n,%n)"]
local f_triplet = formatters["(%n,%n,%n)"]
@@ -418,7 +412,8 @@ do
--
-- f = cache[code]
-- if not f then
- -- f = loadstring(f_code(code))
+ -- -- f = loadstring(f_code(code))
+ -- f = loadstring(code .. " return mp._f_()")
-- if f then
-- cache[code] = f
-- elseif be_tolerant then
@@ -436,7 +431,8 @@ do
report_luarun("%i: code: %s",nesting,code)
end
runs = runs + 1
- local f = loadstring(f_code(code))
+ ----- f = loadstring(f_code(code))
+ local f = loadstring(code .. " return mp._f_()")
if not f and be_tolerant then
f = loadstring(code)
end
@@ -593,8 +589,10 @@ do
mptriplet(w*bpfactor,h*bpfactor,d*bpfactor)
end
- function mp.report(a,b)
- if b then
+ function mp.report(a,b,c,...)
+ if c then
+ report_message("%s : %s",a,formatters[(gsub(b,"@","%%"))](c,...))
+ elseif b then
report_message("%s : %s",a,b)
elseif a then
report_message("%s : %s","message",a)
@@ -605,41 +603,6 @@ end
do
- local mpprint = aux.print
- local mpvprint = aux.vprint
-
- local hashes = { }
-
- function mp.newhash()
- for i=1,#hashes+1 do
- if not hashes[i] then
- hashes[i] = { }
- mpvprint(i)
- return
- end
- end
- end
-
- function mp.disposehash(n)
- hashes[n] = nil
- end
-
- function mp.inhash(n,key)
- local h = hashes[n]
- mpprint(h and h[key] and true or false)
- end
-
- function mp.tohash(n,key)
- local h = hashes[n]
- if h then
- h[key] = true
- end
- end
-
-end
-
-do
-
local mpprint = aux.print
local modes = tex.modes
local systemmodes = tex.systemmodes
@@ -708,9 +671,11 @@ end
do
+ local getmacro = tex.getmacro
local getdimen = tex.getdimen
local getcount = tex.getcount
local gettoks = tex.gettoks
+ local setmacro = tex.setmacro
local setdimen = tex.setdimen
local setcount = tex.setcount
local settoks = tex.settoks
@@ -722,22 +687,27 @@ do
-- more helpers
- function mp.getdimen(k) mpprint (getdimen(k)*bpfactor) end
- function mp.getcount(k) mpprint (getcount(k)) end
- function mp.gettoks (k) mpquoted(gettoks (k)) end
+ local function getmacro(k) mpprint (getmacro(k)) end
+ local function getdimen(k) mpprint (getdimen(k)*bpfactor) end
+ local function getcount(k) mpprint (getcount(k)) end
+ local function gettoks (k) mpquoted(gettoks (k)) end
- function mp.setdimen(k,v) setdimen(k,v/factor) end
- function mp.setcount(k,v) setcount(k,v) end
- function mp.settoks (k,v) settoks (k,v) end
+ local function setmacro(k,v) setmacro(k,v) end
+ local function setdimen(k,v) setdimen(k,v/bpfactor) end
+ local function setcount(k,v) setcount(k,v) end
+ local function settoks (k,v) settoks (k,v) end
-- def foo = lua.mp.foo ... enddef ; % loops due to foo in suffix
- mp._get_dimen_ = mp.getdimen
- mp._get_count_ = mp.getcount
- mp._get_toks_ = mp.gettoks
- mp._set_dimen_ = mp.setdimen
- mp._set_count_ = mp.setcount
- mp._set_toks_ = mp.settoks
+ mp._get_macro_ = getmacro mp.getmacro = getmacro
+ mp._get_dimen_ = getdimen mp.getdimen = getdimen
+ mp._get_count_ = getcount mp.getcount = getcount
+ mp._get_toks_ = gettoks mp.gettoks = gettoks
+
+ mp._set_macro_ = setmacro mp.setmacro = setmacro
+ mp._set_dimen_ = setdimen mp.setdimen = setdimen
+ mp._set_count_ = setcount mp.setcount = setcount
+ mp._set_toks_ = settoks mp.settoks = settoks
end
@@ -851,31 +821,65 @@ end
do
- local mpvprint = mp.vprint
+ local mpprint = aux.print
+ local mpvprint = aux.vprint
+
+ local hashes = { }
- local stores = { }
+ function mp.newhash(name)
+ if name then
+ hashes[name] = { }
+ else
+ for i=1,#hashes+1 do
+ if not hashes[i] then
+ hashes[i] = { }
+ mpvprint(i)
+ return
+ end
+ end
+ end
+ end
- function mp.newstore(name)
- stores[name] = { }
+ function mp.disposehash(n)
+ if tonumber(n) then
+ hashes[n] = false
+ else
+ hashes[n] = nil
+ end
end
- function mp.disposestore(name)
- stores[name] = nil
+ function mp.inhash(n,key)
+ local h = hashes[n]
+ mpvprint(h and h[key] and true or false)
end
- function mp.tostore(name,key,value)
- stores[name][key] = value
+ function mp.tohash(n,key,value)
+ local h = hashes[n]
+ if h then
+ if value == nil then
+ h[key] = true
+ else
+ h[key] = value
+ end
+ end
end
- function mp.fromstore(name,key)
- mpvprint(stores[name][key]) -- type specific
+ function mp.fromhash(n,key)
+ local h = hashes[n]
+ mpvprint(h and h[key] or false)
end
interfaces.implement {
- name = "getMPstored",
+ name = "MPfromhash",
arguments = "2 strings",
actions = function(name,key)
- context(stores[name][key])
+ local h = hashes[name] or hashes[tonumber(name)]
+ if h then
+ local v = h[key] or h[tonumber(key)]
+ if v then
+ context(v)
+ end
+ end
end
}
@@ -892,7 +896,7 @@ do
local pattern = (1-p2)^0 * p2 + p1
function mp.isobject(str)
- mpboolean(pattern and str ~= "" and lpegmatch(p,str))
+ mpboolean(pattern and str ~= "" and lpegmatch(pattern,str))
end
end
diff --git a/tex/context/base/mkiv/mult-fun.lua b/tex/context/base/mkiv/mult-fun.lua
index c6b3a9377..7826342d3 100644
--- a/tex/context/base/mkiv/mult-fun.lua
+++ b/tex/context/base/mkiv/mult-fun.lua
@@ -147,5 +147,27 @@ return {
"circularpath", "squarepath", "linearpath",
--
"theoffset",
+ --
+ "texmode", "systemmode",
+ "texvar", "texstr",
+ "isarray", "prefix", "dimension",
+ "getmacro", "getdimen", "getcount", "gettoks",
+ "setmacro", "setdimen", "setcount", "settoks",
+ --
+ "positionpath", "positioncurve", "positionxy", "positionpxy",
+ "positionwhd", "positionpage", "positionregion", "positionbox",
+ "positionanchor", "positioninregion", "positionatanchor",
+ --
+ "wdpart", "htpart", "dppart",
+ --
+ "texvar", "texstr",
+ --
+ "inpath", "pointof", "leftof", "rightof",
+ --
+ "newhash", "disposehash", "inhash", "tohash",
+ --
+ "isarray", "prefix", "isobject",
+ --
+ "comment", "report", "lua", "mp", "MP", "luacall",
},
}
diff --git a/tex/context/base/mkiv/page-sid.mkiv b/tex/context/base/mkiv/page-sid.mkiv
index 9ac95472a..e983455bc 100644
--- a/tex/context/base/mkiv/page-sid.mkiv
+++ b/tex/context/base/mkiv/page-sid.mkiv
@@ -48,6 +48,7 @@
\newcount \c_page_sides_n_of_lines
\newcount \c_page_sides_n_of_hang
\newconstant \c_page_sides_float_type
+\newcount \c_page_sides_hangafter
\newconditional \c_page_sides_short
\newconditional \c_page_sides_flag
@@ -656,12 +657,40 @@
\fi
\endgroup}
+% \def\page_sides_analyse_progress
+% {\d_page_sides_progress\d_page_sides_vsize
+% \ifconditional\c_page_sides_flag
+% \advance\d_page_sides_progress-\d_page_sides_page_total
+% \global\setfalse\c_page_sides_flag
+% \else
+% \advance\d_page_sides_progress-\pagetotal
+% \fi}
+
+% test case
+%
+% \usemodule[art-01]
+% \starttext
+% \dorecurse{40}{\line{#1}}
+% \placefigure[left]{}{}
+% \input ward
+% \startitemize
+% \item word \item word \item word \item word
+% \stopitemize
+% \input ward
+% \page
+% \stoptext
+
\def\page_sides_analyse_progress
{\d_page_sides_progress\d_page_sides_vsize
\ifconditional\c_page_sides_flag
\advance\d_page_sides_progress-\d_page_sides_page_total
\global\setfalse\c_page_sides_flag
\else
+ \ifdim\dimexpr\d_page_sides_progress+\d_page_sides_bottomtotal\relax>\pagegoal
+ % we adapt pagegoal because we can already have placed something with
+ % everypar and we hope that it triggers a flush, see test above
+ \pagegoal\dimexpr\pagegoal-\d_page_sides_bottomtotal\relax
+ \fi
\advance\d_page_sides_progress-\pagetotal
\fi}
@@ -793,6 +822,24 @@
\fi
\endgroup}
+% tricky test:
+
+% \starttext
+% \dorecurse{33}{\line{#1}}
+% \placefigure[left]{}{}
+% \input ward
+% \startitemize
+% \item word \item word \item word \item word
+% \stopitemize
+% \input ward
+% \page
+% \placefigure[left]{}{}
+% \dontleavehmode \begingroup \input ward \par \endgroup
+% \dontleavehmode \begingroup \input ward \par \endgroup
+% \dontleavehmode \begingroup \input ward \par \endgroup
+% \input ward
+% \stoptext
+
\unexpanded\def\page_sides_check_floats_set
{\edef\p_sidethreshold{\floatparameter\c!sidethreshold}%
\ifx\p_sidethreshold\v!old
@@ -807,8 +854,14 @@
\dimexpr\d_page_sides_progress-\p_sidethreshold\relax
\fi
\getnoflines\d_page_sides_progression
+ % this can be an option
+ \ifdim\dimexpr\noflines\lineheight>\dimexpr\pagegoal-\pagetotal\relax
+ \getrawnoflines\d_page_sides_progression
+ \fi
+ %
\c_page_sides_n_of_hang\noflines
\fi
+ \global\c_page_sides_hangafter\zerocount
\ifnum\c_page_sides_n_of_hang>\zerocount
\ifcase\c_page_sides_n_of_lines
\else
@@ -844,6 +897,7 @@
\else
\hangindent \ifnum\c_page_sides_float_type>\plusfour -\fi\d_page_sides_width
\hangafter-\c_page_sides_n_of_hang
+ \global\c_page_sides_hangafter\hangafter
\fi
\fi
\global\advance\c_page_sides_checks_done \plusone
@@ -852,7 +906,15 @@
\fi}
\unexpanded\def\page_sides_check_floats_reset
- {\global\c_page_sides_checks_done\zerocount}
+ {\ifcase\c_page_sides_checks_done\else
+ \ifcase\c_page_sides_hangafter\else
+ % we need to deal with par's ending in a group which would restore
+ % hang parameters
+ \global\c_page_sides_hangafter\zerocount
+ \hangindent\zeropoint
+ \fi
+ \global\c_page_sides_checks_done\zerocount
+ \fi}
\unexpanded\def\page_sides_synchronize_floats
{\ifinner \else
diff --git a/tex/context/base/mkiv/publ-dat.lua b/tex/context/base/mkiv/publ-dat.lua
index bf134a56e..b82a3c4f8 100644
--- a/tex/context/base/mkiv/publ-dat.lua
+++ b/tex/context/base/mkiv/publ-dat.lua
@@ -533,12 +533,16 @@ do
value = lpegmatch(filter_2,value,1,dataset.commands) -- we need to start at 1 for { }
end
if normalized == "crossref" then
- local parent = luadata[value]
- if parent then
- setmetatableindex(entries,parent)
- else
- -- warning
- end
+ setmetatableindex(entries,function(t,k)
+ local parent = luadata[value]
+ if parent then
+ setmetatableindex(entries,parent)
+ return entries[k]
+ else
+ report_duplicates("no valid parent %a for %a in dataset %s",value,hashtag,dataset.name)
+ setmetatableindex(entries,nil)
+ end
+ end)
end
entries[normalized] = value
end
diff --git a/tex/context/base/mkiv/publ-imp-apa.mkvi b/tex/context/base/mkiv/publ-imp-apa.mkvi
index cd78a8799..6963ab2ce 100644
--- a/tex/context/base/mkiv/publ-imp-apa.mkvi
+++ b/tex/context/base/mkiv/publ-imp-apa.mkvi
@@ -432,10 +432,18 @@
\c!style=\v!italic]
\definebtx
+ [apa:\s!cite:subtitle]
+ [apa:\s!cite:title]
+
+\definebtx
[apa:\s!cite:booktitle]
[apa:\s!cite:title]
\definebtx
+ [apa:\s!cite:subbooktitle]
+ [apa:\s!cite:booktitle]
+
+\definebtx
[apa:\s!cite:tag]
[apa:\s!cite]
[\c!left={[},
@@ -797,7 +805,7 @@
% A book might have an editor AND an author
\doif {\currentbtxcategory} {book} {
\doifnot {\btxfoundname{author}} {editor} {
- \btxdoif {ineditor} { % ineditor authorconversion
+ \btxdoif {ineditor} { % ineditor specific authorconversion
\btxleftparenthesis
\btxflush{ineditor}
\btxcomma
@@ -973,11 +981,11 @@
\starttexdefinition unexpanded btx:apa:editor-in
\btxdoif {booktitle} {
\btxlabeltext{In}
+ \btxspace
\doifnot {\btxfoundname{author}} {editor} {
- \btxspace
\texdefinition{btx:apa:author-or-editor} {ineditor}
+ \btxcomma
}
- \btxspace
\texdefinition{btx:apa:composed-title}{booktitle}
\btxperiod
}
diff --git a/tex/context/base/mkiv/publ-imp-cite.mkvi b/tex/context/base/mkiv/publ-imp-cite.mkvi
index 8fe96429d..998c45f00 100644
--- a/tex/context/base/mkiv/publ-imp-cite.mkvi
+++ b/tex/context/base/mkiv/publ-imp-cite.mkvi
@@ -229,6 +229,15 @@
\startsetups \s!btx:\s!cite:title
\fastsetup{\s!btx:\s!cite:normal}
\stopsetups
+\startsetups \s!btx:\s!cite:subtitle
+ \fastsetup{\s!btx:\s!cite:normal}
+\stopsetups
+\startsetups \s!btx:\s!cite:booktitle
+ \fastsetup{\s!btx:\s!cite:normal}
+\stopsetups
+\startsetups \s!btx:\s!cite:subbooktitle
+ \fastsetup{\s!btx:\s!cite:normal}
+\stopsetups
\startsetups \s!btx:\s!cite:pages
\fastsetup{\s!btx:\s!cite:range}
\stopsetups
diff --git a/tex/context/base/mkiv/spac-ver.lua b/tex/context/base/mkiv/spac-ver.lua
index 05055ef63..4a09379b1 100644
--- a/tex/context/base/mkiv/spac-ver.lua
+++ b/tex/context/base/mkiv/spac-ver.lua
@@ -1958,11 +1958,27 @@ do
if trace_collect_vspacing then report("%s > storing %s nodes in stack (initial): %s",where,newhead) end
stackhead = newhead
end
+if not flush then
+ local h = 0
+ for n, id in nextnode, stackhead do
+ if id == glue_code then
+ h = h + getwidth(n)
+ elseif id == kern_code then
+ h = h + getkern(n)
+ end
+ end
+ if h + tex.pagetotal >= tex.pagegoal then
+ newhead = stackhead
+ stackhead, stacktail = nil, nil
+ return newhead
+ end
+end
stacktail = newtail
-- texlists.contrib_head = nil
-- newhead = nil
end
end
+-- tex.triggerbuildpage()
return nil
end
diff --git a/tex/context/base/mkiv/status-files.pdf b/tex/context/base/mkiv/status-files.pdf
index 72d03ba70..ae21b5fcf 100644
--- a/tex/context/base/mkiv/status-files.pdf
+++ b/tex/context/base/mkiv/status-files.pdf
Binary files differ
diff --git a/tex/context/base/mkiv/status-lua.pdf b/tex/context/base/mkiv/status-lua.pdf
index 47a682ba6..0e739a4e4 100644
--- a/tex/context/base/mkiv/status-lua.pdf
+++ b/tex/context/base/mkiv/status-lua.pdf
Binary files differ
diff --git a/tex/context/base/mkiv/typo-dir.mkiv b/tex/context/base/mkiv/typo-dir.mkiv
index 9d8d6b968..23d02c507 100644
--- a/tex/context/base/mkiv/typo-dir.mkiv
+++ b/tex/context/base/mkiv/typo-dir.mkiv
@@ -127,85 +127,85 @@
% bidi test
-\definefontfeature
- [arab]
- [mode=node,language=dflt,script=arab,
- init=yes,medi=yes,fina=yes,isol=yes,
- liga=yes,dlig=yes,rlig=yes,clig=yes,
- mark=yes,mkmk=yes,kern=yes,curs=yes]
-
-\font\Arabic=arabtype*arab at 20pt
-
-\def\LATIN{LATIN} {\setdirection[1]} % enable this
-\def\ARAB {محمد}
-
-\startluacode
- function documentdata.split_tokens(str)
- for s in str:bytes() do
- context.sprint(tex.ctxcatcodes,string.format("\\hbox{\\char %s}",s))
- end
- end
-\stopluacode
-
-\unexpanded\def\biditest#1#2#3% font text raw
- {\dontleavehmode\hbox
- {\framed[offset=overlay]{\tttf#2}\quad
- \enabletrackers[typesetters.directions]%
- \framed[offset=overlay]{#1#3}\quad
- \disabletrackers[typesetters.directions]%
- \tttf\ctxlua{documentdata.split_tokens([[\detokenize{#3}]])}}}
-
-\startbuffer[bidi-sample]
-\biditest\Arabic{LATIN BARA}{\textdir TLT\relax \LATIN\ \ARAB}\par
-\biditest\Arabic{BARA LATIN}{\textdir TRT\relax \LATIN\ \ARAB}\par
-\biditest\Arabic{LATIN ARAB}{\textdir TLT{\bidilro \LATIN\ \ARAB}}\par % right -> left
-\biditest\Arabic{LATIN ARAB}{\textdir TRT{\bidilro \LATIN\ \ARAB}}\par % right -> left
-\biditest\Arabic{BARA NITAL}{\textdir TLT{\bidirlo \LATIN\ \ARAB}}\par % left -> right
-\biditest\Arabic{BARA NITAL}{\textdir TRT{\bidirlo \LATIN\ \ARAB}}\par % left -> right
-\stopbuffer
-
-\startbuffer[bidi-sample]
-\biditest\Arabic{LATIN BARA}{\textdir TLT\relax \LATIN\ \ARAB}\par
-\biditest\Arabic{BARA LATIN}{\textdir TRT\relax \LATIN\ \ARAB}\par
-\biditest\Arabic{LATIN ARAB}{\textdir TLT\bidilro \LATIN\ \ARAB}\par % right -> left
-\biditest\Arabic{LATIN ARAB}{\textdir TRT\bidilro \LATIN\ \ARAB}\par % right -> left
-\biditest\Arabic{BARA NITAL}{\textdir TLT\bidirlo \LATIN\ \ARAB}\par % left -> right
-\biditest\Arabic{BARA NITAL}{\textdir TRT\bidirlo \LATIN\ \ARAB}\par % left -> right
-\stopbuffer
-
-\startbuffer[bidi-setup]
-\setupdirections[bidi=off]
-\stopbuffer
-
-{\typebuffer[bidi-setup] \getbuffer[bidi-setup] \getbuffer[bidi-sample]}
-
-\startbuffer[bidi-setup]
-\setupdirections[bidi=global]
-\stopbuffer
-
-{\typebuffer[bidi-setup] \getbuffer[bidi-setup] \getbuffer[bidi-sample]}
-
-\startbuffer[bidi-setup]
-\setupdirections[bidi=local]
-\stopbuffer
-
-{\typebuffer[bidi-setup] \getbuffer[bidi-setup] \getbuffer[bidi-sample]}
-
-\startbuffer[bidi-sample]
-\setupdirections[bidi=global]
-
- \hbox{\righttoleft\arabicfont (0001)}\par
- \dontleavehmode\hbox{\righttoleft\arabicfont (0002)}\par
- {\righttoleft\arabicfont (0003)\par}
- {\righttoleft\arabicfont (0004)}\par
- \dontleavehmode{\righttoleft\arabicfont (0005)\par}
- \dontleavehmode{\righttoleft\arabicfont (0006)}\par
- \rtlhbox{\arabicfont (0007)}\par
- \ltrhbox{\arabicfont (0008)}\par
-\dontleavehmode\rtlhbox{\arabicfont (0009)}\par
-\dontleavehmode\ltrhbox{\arabicfont (0010)}\par
-\stopsetups
-
-{\typebuffer[bidi-sample] \getbuffer[bidi-sample]}
-
-\stoptext
+% \definefontfeature
+% [arab]
+% [mode=node,language=dflt,script=arab,
+% init=yes,medi=yes,fina=yes,isol=yes,
+% liga=yes,dlig=yes,rlig=yes,clig=yes,
+% mark=yes,mkmk=yes,kern=yes,curs=yes]
+%
+% \font\Arabic=arabtype*arab at 20pt
+%
+% \def\LATIN{LATIN} {\setdirection[1]} % enable this
+% \def\ARAB {عربي}
+%
+% \startluacode
+% function documentdata.split_tokens(str)
+% for s in str:bytes() do
+% context.sprint(tex.ctxcatcodes,string.format("\\hbox{\\char %s}",s))
+% end
+% end
+% \stopluacode
+%
+% \unexpanded\def\biditest#1#2#3% font text raw
+% {\dontleavehmode\hbox
+% {\framed[offset=overlay]{\tttf#2}\quad
+% \enabletrackers[typesetters.directions]%
+% \framed[offset=overlay]{#1#3}\quad
+% \disabletrackers[typesetters.directions]%
+% \tttf\ctxlua{documentdata.split_tokens([[\detokenize{#3}]])}}}
+%
+% \startbuffer[bidi-sample]
+% \biditest\Arabic{LATIN BARA}{\textdir TLT\relax \LATIN\ \ARAB}\par
+% \biditest\Arabic{BARA LATIN}{\textdir TRT\relax \LATIN\ \ARAB}\par
+% \biditest\Arabic{LATIN ARAB}{\textdir TLT{\bidilro \LATIN\ \ARAB}}\par % right -> left
+% \biditest\Arabic{LATIN ARAB}{\textdir TRT{\bidilro \LATIN\ \ARAB}}\par % right -> left
+% \biditest\Arabic{BARA NITAL}{\textdir TLT{\bidirlo \LATIN\ \ARAB}}\par % left -> right
+% \biditest\Arabic{BARA NITAL}{\textdir TRT{\bidirlo \LATIN\ \ARAB}}\par % left -> right
+% \stopbuffer
+%
+% \startbuffer[bidi-sample]
+% \biditest\Arabic{LATIN BARA}{\textdir TLT\relax \LATIN\ \ARAB}\par
+% \biditest\Arabic{BARA LATIN}{\textdir TRT\relax \LATIN\ \ARAB}\par
+% \biditest\Arabic{LATIN ARAB}{\textdir TLT\bidilro \LATIN\ \ARAB}\par % right -> left
+% \biditest\Arabic{LATIN ARAB}{\textdir TRT\bidilro \LATIN\ \ARAB}\par % right -> left
+% \biditest\Arabic{BARA NITAL}{\textdir TLT\bidirlo \LATIN\ \ARAB}\par % left -> right
+% \biditest\Arabic{BARA NITAL}{\textdir TRT\bidirlo \LATIN\ \ARAB}\par % left -> right
+% \stopbuffer
+%
+% \startbuffer[bidi-setup]
+% \setupdirections[bidi=off]
+% \stopbuffer
+%
+% {\typebuffer[bidi-setup] \getbuffer[bidi-setup] \getbuffer[bidi-sample]}
+%
+% \startbuffer[bidi-setup]
+% \setupdirections[bidi=global]
+% \stopbuffer
+%
+% {\typebuffer[bidi-setup] \getbuffer[bidi-setup] \getbuffer[bidi-sample]}
+%
+% \startbuffer[bidi-setup]
+% \setupdirections[bidi=local]
+% \stopbuffer
+%
+% {\typebuffer[bidi-setup] \getbuffer[bidi-setup] \getbuffer[bidi-sample]}
+%
+% \startbuffer[bidi-sample]
+% \setupdirections[bidi=global]
+%
+% \hbox{\righttoleft\arabicfont (0001)}\par
+% \dontleavehmode\hbox{\righttoleft\arabicfont (0002)}\par
+% {\righttoleft\arabicfont (0003)\par}
+% {\righttoleft\arabicfont (0004)}\par
+% \dontleavehmode{\righttoleft\arabicfont (0005)\par}
+% \dontleavehmode{\righttoleft\arabicfont (0006)}\par
+% \rtlhbox{\arabicfont (0007)}\par
+% \ltrhbox{\arabicfont (0008)}\par
+% \dontleavehmode\rtlhbox{\arabicfont (0009)}\par
+% \dontleavehmode\ltrhbox{\arabicfont (0010)}\par
+% \stopsetups
+%
+% {\typebuffer[bidi-sample] \getbuffer[bidi-sample]}
+%
+% \stoptext
diff --git a/tex/context/base/mkiv/util-sha.lua b/tex/context/base/mkiv/util-sha.lua
index 3e786a834..3ff09e1bc 100644
--- a/tex/context/base/mkiv/util-sha.lua
+++ b/tex/context/base/mkiv/util-sha.lua
@@ -277,10 +277,10 @@ digest[224] = digest[256]
digest[384] = digest[512]
local finalize = {
- [224] = function(hash,tohex) return tohex(packstring(">I4I4I4I4I4I4I4", unpack(hash))) end, -- # 56
- [256] = function(hash,tohex) return tohex(packstring(">I4I4I4I4I4I4I4I4",unpack(hash))) end, -- # 64
- [384] = function(hash,tohex) return tohex(packstring(">I8I8I8I8I8I8", unpack(hash))) end, -- # 96
- [512] = function(hash,tohex) return tohex(packstring(">I8I8I8I8I8I8I8I8",unpack(hash))) end, -- # 128
+ [224] = function(hash,tohex) local s = packstring(">I4I4I4I4I4I4I4", unpack(hash)) return tohex and tohex(s) or s end, -- # 56
+ [256] = function(hash,tohex) local s = packstring(">I4I4I4I4I4I4I4I4",unpack(hash)) return tohex and tohex(s) or s end, -- # 64
+ [384] = function(hash,tohex) local s = packstring(">I8I8I8I8I8I8", unpack(hash)) return tohex and tohex(s) or s end, -- # 96
+ [512] = function(hash,tohex) local s = packstring(">I8I8I8I8I8I8I8I8",unpack(hash)) return tohex and tohex(s) or s end, -- # 128
}
local hash = { }
@@ -293,14 +293,18 @@ local function hashed(str,method,tohex)
end
local sha2 = {
- hash224 = function(str) return hashed(str,224,tohex) end,
- hash256 = function(str) return hashed(str,256,tohex) end,
- hash384 = function(str) return hashed(str,384,tohex) end,
- hash512 = function(str) return hashed(str,512,tohex) end,
- HASH224 = function(str) return hashed(str,224,toHEX) end,
- HASH256 = function(str) return hashed(str,256,toHEX) end,
- HASH384 = function(str) return hashed(str,384,toHEX) end,
- HASH512 = function(str) return hashed(str,512,toHEX) end,
+ digest224 = function(str) return hashed(str,224) end,
+ digest256 = function(str) return hashed(str,256) end,
+ digest384 = function(str) return hashed(str,384) end,
+ digest512 = function(str) return hashed(str,512) end,
+ hash224 = function(str) return hashed(str,224,tohex) end,
+ hash256 = function(str) return hashed(str,256,tohex) end,
+ hash384 = function(str) return hashed(str,384,tohex) end,
+ hash512 = function(str) return hashed(str,512,tohex) end,
+ HASH224 = function(str) return hashed(str,224,toHEX) end,
+ HASH256 = function(str) return hashed(str,256,toHEX) end,
+ HASH384 = function(str) return hashed(str,384,toHEX) end,
+ HASH512 = function(str) return hashed(str,512,toHEX) end,
}
-- local setmetatableindex = table.setmetatableindex
diff --git a/tex/context/interface/mkiv/i-context.pdf b/tex/context/interface/mkiv/i-context.pdf
index e12fb62d5..38cd62221 100644
--- a/tex/context/interface/mkiv/i-context.pdf
+++ b/tex/context/interface/mkiv/i-context.pdf
Binary files differ
diff --git a/tex/context/interface/mkiv/i-readme.pdf b/tex/context/interface/mkiv/i-readme.pdf
index 0d42c03d2..cb75e439d 100644
--- a/tex/context/interface/mkiv/i-readme.pdf
+++ b/tex/context/interface/mkiv/i-readme.pdf
Binary files differ
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
new file mode 100644
index 000000000..6871f37b3
--- /dev/null
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -0,0 +1,37652 @@
+-- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua
+-- parent file : c:/data/develop/context/sources/luatex-fonts.lua
+-- merge date : 07/13/18 09:48:00
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['l-lua']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next,type,tonumber=next,type,tonumber
+LUAMAJORVERSION,LUAMINORVERSION=string.match(_VERSION,"^[^%d]+(%d+)%.(%d+).*$")
+LUAMAJORVERSION=tonumber(LUAMAJORVERSION) or 5
+LUAMINORVERSION=tonumber(LUAMINORVERSION) or 1
+LUAVERSION=LUAMAJORVERSION+LUAMINORVERSION/10
+if LUAVERSION<5.2 and jit then
+ MINORVERSION=2
+ LUAVERSION=5.2
+end
+_LUAVERSION=LUAVERSION
+if not lpeg then
+ lpeg=require("lpeg")
+end
+if loadstring then
+ local loadnormal=load
+ function load(first,...)
+ if type(first)=="string" then
+ return loadstring(first,...)
+ else
+ return loadnormal(first,...)
+ end
+ end
+else
+ loadstring=load
+end
+if not ipairs then
+ local function iterate(a,i)
+ i=i+1
+ local v=a[i]
+ if v~=nil then
+ return i,v
+ end
+ end
+ function ipairs(a)
+ return iterate,a,0
+ end
+end
+if not pairs then
+ function pairs(t)
+ return next,t
+ end
+end
+if not table.unpack then
+ table.unpack=_G.unpack
+elseif not unpack then
+ _G.unpack=table.unpack
+end
+if not package.loaders then
+ package.loaders=package.searchers
+end
+local print,select,tostring=print,select,tostring
+local inspectors={}
+function setinspector(kind,inspector)
+ inspectors[kind]=inspector
+end
+function inspect(...)
+ for s=1,select("#",...) do
+ local value=select(s,...)
+ if value==nil then
+ print("nil")
+ else
+ local done=false
+ local kind=type(value)
+ local inspector=inspectors[kind]
+ if inspector then
+ done=inspector(value)
+ if done then
+ break
+ end
+ end
+ for kind,inspector in next,inspectors do
+ done=inspector(value)
+ if done then
+ break
+ end
+ end
+ if not done then
+ print(tostring(value))
+ end
+ end
+ end
+end
+local dummy=function() end
+function optionalrequire(...)
+ local ok,result=xpcall(require,dummy,...)
+ if ok then
+ return result
+ end
+end
+if lua then
+ lua.mask=load([[τεχ = 1]]) and "utf" or "ascii"
+end
+local flush=io.flush
+if flush then
+ local execute=os.execute if execute then function os.execute(...) flush() return execute(...) end end
+ local exec=os.exec if exec then function os.exec (...) flush() return exec (...) end end
+ local spawn=os.spawn if spawn then function os.spawn (...) flush() return spawn (...) end end
+ local popen=io.popen if popen then function io.popen (...) flush() return popen (...) end end
+end
+FFISUPPORTED=type(ffi)=="table" and ffi.os~="" and ffi.arch~="" and ffi.load
+if not FFISUPPORTED then
+ local okay;okay,ffi=pcall(require,"ffi")
+ FFISUPPORTED=type(ffi)=="table" and ffi.os~="" and ffi.arch~="" and ffi.load
+end
+if not FFISUPPORTED then
+ ffi=nil
+elseif not ffi.number then
+ ffi.number=tonumber
+end
+if not bit32 then
+ bit32=require("l-bit32")
+end
+local loaded=package.loaded
+if not loaded["socket"] then loaded["socket"]=loaded["socket.core"] end
+if not loaded["mime"] then loaded["mime"]=loaded["mime.core"] end
+if not socket.mime then socket.mime=package.loaded["mime"] end
+if not loaded["socket.mime"] then loaded["socket.mime"]=socket.mime end
+if not loaded["socket.http"] then loaded["socket.http"]=socket.http end
+if not loaded["socket.ftp"] then loaded["socket.ftp"]=socket.ftp end
+if not loaded["socket.smtp"] then loaded["socket.smtp"]=socket.smtp end
+if not loaded["socket.tp"] then loaded["socket.tp"]=socket.tp end
+if not loaded["socket.url"] then loaded["socket.url"]=socket.url end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['l-lpeg']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+lpeg=require("lpeg")
+local lpeg=lpeg
+if not lpeg.print then function lpeg.print(...) print(lpeg.pcode(...)) end end
+local type,next,tostring=type,next,tostring
+local byte,char,gmatch,format=string.byte,string.char,string.gmatch,string.format
+local floor=math.floor
+local P,R,S,V,Ct,C,Cs,Cc,Cp,Cmt=lpeg.P,lpeg.R,lpeg.S,lpeg.V,lpeg.Ct,lpeg.C,lpeg.Cs,lpeg.Cc,lpeg.Cp,lpeg.Cmt
+local lpegtype,lpegmatch,lpegprint=lpeg.type,lpeg.match,lpeg.print
+if setinspector then
+ setinspector("lpeg",function(v) if lpegtype(v) then lpegprint(v) return true end end)
+end
+lpeg.patterns=lpeg.patterns or {}
+local patterns=lpeg.patterns
+local anything=P(1)
+local endofstring=P(-1)
+local alwaysmatched=P(true)
+patterns.anything=anything
+patterns.endofstring=endofstring
+patterns.beginofstring=alwaysmatched
+patterns.alwaysmatched=alwaysmatched
+local sign=S('+-')
+local zero=P('0')
+local digit=R('09')
+local digits=digit^1
+local octdigit=R("07")
+local octdigits=octdigit^1
+local lowercase=R("az")
+local uppercase=R("AZ")
+local underscore=P("_")
+local hexdigit=digit+lowercase+uppercase
+local hexdigits=hexdigit^1
+local cr,lf,crlf=P("\r"),P("\n"),P("\r\n")
+local newline=P("\r")*(P("\n")+P(true))+P("\n")
+local escaped=P("\\")*anything
+local squote=P("'")
+local dquote=P('"')
+local space=P(" ")
+local period=P(".")
+local comma=P(",")
+local utfbom_32_be=P('\000\000\254\255')
+local utfbom_32_le=P('\255\254\000\000')
+local utfbom_16_be=P('\254\255')
+local utfbom_16_le=P('\255\254')
+local utfbom_8=P('\239\187\191')
+local utfbom=utfbom_32_be+utfbom_32_le+utfbom_16_be+utfbom_16_le+utfbom_8
+local utftype=utfbom_32_be*Cc("utf-32-be")+utfbom_32_le*Cc("utf-32-le")+utfbom_16_be*Cc("utf-16-be")+utfbom_16_le*Cc("utf-16-le")+utfbom_8*Cc("utf-8")+alwaysmatched*Cc("utf-8")
+local utfstricttype=utfbom_32_be*Cc("utf-32-be")+utfbom_32_le*Cc("utf-32-le")+utfbom_16_be*Cc("utf-16-be")+utfbom_16_le*Cc("utf-16-le")+utfbom_8*Cc("utf-8")
+local utfoffset=utfbom_32_be*Cc(4)+utfbom_32_le*Cc(4)+utfbom_16_be*Cc(2)+utfbom_16_le*Cc(2)+utfbom_8*Cc(3)+Cc(0)
+local utf8next=R("\128\191")
+patterns.utfbom_32_be=utfbom_32_be
+patterns.utfbom_32_le=utfbom_32_le
+patterns.utfbom_16_be=utfbom_16_be
+patterns.utfbom_16_le=utfbom_16_le
+patterns.utfbom_8=utfbom_8
+patterns.utf_16_be_nl=P("\000\r\000\n")+P("\000\r")+P("\000\n")
+patterns.utf_16_le_nl=P("\r\000\n\000")+P("\r\000")+P("\n\000")
+patterns.utf_32_be_nl=P("\000\000\000\r\000\000\000\n")+P("\000\000\000\r")+P("\000\000\000\n")
+patterns.utf_32_le_nl=P("\r\000\000\000\n\000\000\000")+P("\r\000\000\000")+P("\n\000\000\000")
+patterns.utf8one=R("\000\127")
+patterns.utf8two=R("\194\223")*utf8next
+patterns.utf8three=R("\224\239")*utf8next*utf8next
+patterns.utf8four=R("\240\244")*utf8next*utf8next*utf8next
+patterns.utfbom=utfbom
+patterns.utftype=utftype
+patterns.utfstricttype=utfstricttype
+patterns.utfoffset=utfoffset
+local utf8char=patterns.utf8one+patterns.utf8two+patterns.utf8three+patterns.utf8four
+local validutf8char=utf8char^0*endofstring*Cc(true)+Cc(false)
+local utf8character=P(1)*R("\128\191")^0
+patterns.utf8=utf8char
+patterns.utf8char=utf8char
+patterns.utf8character=utf8character
+patterns.validutf8=validutf8char
+patterns.validutf8char=validutf8char
+local eol=S("\n\r")
+local spacer=S(" \t\f\v")
+local whitespace=eol+spacer
+local nonspacer=1-spacer
+local nonwhitespace=1-whitespace
+patterns.eol=eol
+patterns.spacer=spacer
+patterns.whitespace=whitespace
+patterns.nonspacer=nonspacer
+patterns.nonwhitespace=nonwhitespace
+local stripper=spacer^0*C((spacer^0*nonspacer^1)^0)
+local fullstripper=whitespace^0*C((whitespace^0*nonwhitespace^1)^0)
+local collapser=Cs(spacer^0/""*nonspacer^0*((spacer^0/" "*nonspacer^1)^0))
+local nospacer=Cs((whitespace^1/""+nonwhitespace^1)^0)
+local b_collapser=Cs(whitespace^0/""*(nonwhitespace^1+whitespace^1/" ")^0)
+local e_collapser=Cs((whitespace^1*endofstring/""+nonwhitespace^1+whitespace^1/" ")^0)
+local m_collapser=Cs((nonwhitespace^1+whitespace^1/" ")^0)
+local b_stripper=Cs(spacer^0/""*(nonspacer^1+spacer^1/" ")^0)
+local e_stripper=Cs((spacer^1*endofstring/""+nonspacer^1+spacer^1/" ")^0)
+local m_stripper=Cs((nonspacer^1+spacer^1/" ")^0)
+patterns.stripper=stripper
+patterns.fullstripper=fullstripper
+patterns.collapser=collapser
+patterns.nospacer=nospacer
+patterns.b_collapser=b_collapser
+patterns.m_collapser=m_collapser
+patterns.e_collapser=e_collapser
+patterns.b_stripper=b_stripper
+patterns.m_stripper=m_stripper
+patterns.e_stripper=e_stripper
+patterns.lowercase=lowercase
+patterns.uppercase=uppercase
+patterns.letter=patterns.lowercase+patterns.uppercase
+patterns.space=space
+patterns.tab=P("\t")
+patterns.spaceortab=patterns.space+patterns.tab
+patterns.newline=newline
+patterns.emptyline=newline^1
+patterns.equal=P("=")
+patterns.comma=comma
+patterns.commaspacer=comma*spacer^0
+patterns.period=period
+patterns.colon=P(":")
+patterns.semicolon=P(";")
+patterns.underscore=underscore
+patterns.escaped=escaped
+patterns.squote=squote
+patterns.dquote=dquote
+patterns.nosquote=(escaped+(1-squote))^0
+patterns.nodquote=(escaped+(1-dquote))^0
+patterns.unsingle=(squote/"")*patterns.nosquote*(squote/"")
+patterns.undouble=(dquote/"")*patterns.nodquote*(dquote/"")
+patterns.unquoted=patterns.undouble+patterns.unsingle
+patterns.unspacer=((patterns.spacer^1)/"")^0
+patterns.singlequoted=squote*patterns.nosquote*squote
+patterns.doublequoted=dquote*patterns.nodquote*dquote
+patterns.quoted=patterns.doublequoted+patterns.singlequoted
+patterns.digit=digit
+patterns.digits=digits
+patterns.octdigit=octdigit
+patterns.octdigits=octdigits
+patterns.hexdigit=hexdigit
+patterns.hexdigits=hexdigits
+patterns.sign=sign
+patterns.cardinal=digits
+patterns.integer=sign^-1*digits
+patterns.unsigned=digit^0*period*digits
+patterns.float=sign^-1*patterns.unsigned
+patterns.cunsigned=digit^0*comma*digits
+patterns.cpunsigned=digit^0*(period+comma)*digits
+patterns.cfloat=sign^-1*patterns.cunsigned
+patterns.cpfloat=sign^-1*patterns.cpunsigned
+patterns.number=patterns.float+patterns.integer
+patterns.cnumber=patterns.cfloat+patterns.integer
+patterns.cpnumber=patterns.cpfloat+patterns.integer
+patterns.oct=zero*octdigits
+patterns.octal=patterns.oct
+patterns.HEX=zero*P("X")*(digit+uppercase)^1
+patterns.hex=zero*P("x")*(digit+lowercase)^1
+patterns.hexadecimal=zero*S("xX")*hexdigits
+patterns.hexafloat=sign^-1*zero*S("xX")*(hexdigit^0*period*hexdigits+hexdigits*period*hexdigit^0+hexdigits)*(S("pP")*sign^-1*hexdigits)^-1
+patterns.decafloat=sign^-1*(digit^0*period*digits+digits*period*digit^0+digits)*S("eE")*sign^-1*digits
+patterns.propername=(uppercase+lowercase+underscore)*(uppercase+lowercase+underscore+digit)^0*endofstring
+patterns.somecontent=(anything-newline-space)^1
+patterns.beginline=#(1-newline)
+patterns.longtostring=Cs(whitespace^0/""*((patterns.quoted+nonwhitespace^1+whitespace^1/""*(endofstring+Cc(" ")))^0))
+function anywhere(pattern)
+ return (1-P(pattern))^0*P(pattern)
+end
+lpeg.anywhere=anywhere
+function lpeg.instringchecker(p)
+ p=anywhere(p)
+ return function(str)
+ return lpegmatch(p,str) and true or false
+ end
+end
+function lpeg.splitter(pattern,action)
+ return (((1-P(pattern))^1)/action+1)^0
+end
+function lpeg.tsplitter(pattern,action)
+ return Ct((((1-P(pattern))^1)/action+1)^0)
+end
+local splitters_s,splitters_m,splitters_t={},{},{}
+local function splitat(separator,single)
+ local splitter=(single and splitters_s[separator]) or splitters_m[separator]
+ if not splitter then
+ separator=P(separator)
+ local other=C((1-separator)^0)
+ if single then
+ local any=anything
+ splitter=other*(separator*C(any^0)+"")
+ splitters_s[separator]=splitter
+ else
+ splitter=other*(separator*other)^0
+ splitters_m[separator]=splitter
+ end
+ end
+ return splitter
+end
+local function tsplitat(separator)
+ local splitter=splitters_t[separator]
+ if not splitter then
+ splitter=Ct(splitat(separator))
+ splitters_t[separator]=splitter
+ end
+ return splitter
+end
+lpeg.splitat=splitat
+lpeg.tsplitat=tsplitat
+function string.splitup(str,separator)
+ if not separator then
+ separator=","
+ end
+ return lpegmatch(splitters_m[separator] or splitat(separator),str)
+end
+local cache={}
+function lpeg.split(separator,str)
+ local c=cache[separator]
+ if not c then
+ c=tsplitat(separator)
+ cache[separator]=c
+ end
+ return lpegmatch(c,str)
+end
+function string.split(str,separator)
+ if separator then
+ local c=cache[separator]
+ if not c then
+ c=tsplitat(separator)
+ cache[separator]=c
+ end
+ return lpegmatch(c,str)
+ else
+ return { str }
+ end
+end
+local spacing=patterns.spacer^0*newline
+local empty=spacing*Cc("")
+local nonempty=Cs((1-spacing)^1)*spacing^-1
+local content=(empty+nonempty)^1
+patterns.textline=content
+local linesplitter=tsplitat(newline)
+patterns.linesplitter=linesplitter
+function string.splitlines(str)
+ return lpegmatch(linesplitter,str)
+end
+local cache={}
+function lpeg.checkedsplit(separator,str)
+ local c=cache[separator]
+ if not c then
+ separator=P(separator)
+ local other=C((1-separator)^1)
+ c=Ct(separator^0*other*(separator^1*other)^0)
+ cache[separator]=c
+ end
+ return lpegmatch(c,str)
+end
+function string.checkedsplit(str,separator)
+ local c=cache[separator]
+ if not c then
+ separator=P(separator)
+ local other=C((1-separator)^1)
+ c=Ct(separator^0*other*(separator^1*other)^0)
+ cache[separator]=c
+ end
+ return lpegmatch(c,str)
+end
+local function f2(s) local c1,c2=byte(s,1,2) return c1*64+c2-12416 end
+local function f3(s) local c1,c2,c3=byte(s,1,3) return (c1*64+c2)*64+c3-925824 end
+local function f4(s) local c1,c2,c3,c4=byte(s,1,4) return ((c1*64+c2)*64+c3)*64+c4-63447168 end
+local utf8byte=patterns.utf8one/byte+patterns.utf8two/f2+patterns.utf8three/f3+patterns.utf8four/f4
+patterns.utf8byte=utf8byte
+local cache={}
+function lpeg.stripper(str)
+ if type(str)=="string" then
+ local s=cache[str]
+ if not s then
+ s=Cs(((S(str)^1)/""+1)^0)
+ cache[str]=s
+ end
+ return s
+ else
+ return Cs(((str^1)/""+1)^0)
+ end
+end
+local cache={}
+function lpeg.keeper(str)
+ if type(str)=="string" then
+ local s=cache[str]
+ if not s then
+ s=Cs((((1-S(str))^1)/""+1)^0)
+ cache[str]=s
+ end
+ return s
+ else
+ return Cs((((1-str)^1)/""+1)^0)
+ end
+end
+function lpeg.frontstripper(str)
+ return (P(str)+P(true))*Cs(anything^0)
+end
+function lpeg.endstripper(str)
+ return Cs((1-P(str)*endofstring)^0)
+end
+function lpeg.replacer(one,two,makefunction,isutf)
+ local pattern
+ local u=isutf and utf8char or 1
+ if type(one)=="table" then
+ local no=#one
+ local p=P(false)
+ if no==0 then
+ for k,v in next,one do
+ p=p+P(k)/v
+ end
+ pattern=Cs((p+u)^0)
+ elseif no==1 then
+ local o=one[1]
+ one,two=P(o[1]),o[2]
+ pattern=Cs((one/two+u)^0)
+ else
+ for i=1,no do
+ local o=one[i]
+ p=p+P(o[1])/o[2]
+ end
+ pattern=Cs((p+u)^0)
+ end
+ else
+ pattern=Cs((P(one)/(two or "")+u)^0)
+ end
+ if makefunction then
+ return function(str)
+ return lpegmatch(pattern,str)
+ end
+ else
+ return pattern
+ end
+end
+function lpeg.finder(lst,makefunction,isutf)
+ local pattern
+ if type(lst)=="table" then
+ pattern=P(false)
+ if #lst==0 then
+ for k,v in next,lst do
+ pattern=pattern+P(k)
+ end
+ else
+ for i=1,#lst do
+ pattern=pattern+P(lst[i])
+ end
+ end
+ else
+ pattern=P(lst)
+ end
+ if isutf then
+ pattern=((utf8char or 1)-pattern)^0*pattern
+ else
+ pattern=(1-pattern)^0*pattern
+ end
+ if makefunction then
+ return function(str)
+ return lpegmatch(pattern,str)
+ end
+ else
+ return pattern
+ end
+end
+local splitters_f,splitters_s={},{}
+function lpeg.firstofsplit(separator)
+ local splitter=splitters_f[separator]
+ if not splitter then
+ local pattern=P(separator)
+ splitter=C((1-pattern)^0)
+ splitters_f[separator]=splitter
+ end
+ return splitter
+end
+function lpeg.secondofsplit(separator)
+ local splitter=splitters_s[separator]
+ if not splitter then
+ local pattern=P(separator)
+ splitter=(1-pattern)^0*pattern*C(anything^0)
+ splitters_s[separator]=splitter
+ end
+ return splitter
+end
+local splitters_s,splitters_p={},{}
+function lpeg.beforesuffix(separator)
+ local splitter=splitters_s[separator]
+ if not splitter then
+ local pattern=P(separator)
+ splitter=C((1-pattern)^0)*pattern*endofstring
+ splitters_s[separator]=splitter
+ end
+ return splitter
+end
+function lpeg.afterprefix(separator)
+ local splitter=splitters_p[separator]
+ if not splitter then
+ local pattern=P(separator)
+ splitter=pattern*C(anything^0)
+ splitters_p[separator]=splitter
+ end
+ return splitter
+end
+function lpeg.balancer(left,right)
+ left,right=P(left),P(right)
+ return P { left*((1-left-right)+V(1))^0*right }
+end
+function lpeg.counter(pattern,action)
+ local n=0
+ local pattern=(P(pattern)/function() n=n+1 end+anything)^0
+ if action then
+ return function(str) n=0;lpegmatch(pattern,str);action(n) end
+ else
+ return function(str) n=0;lpegmatch(pattern,str);return n end
+ end
+end
+utf=utf or (unicode and unicode.utf8) or {}
+local utfcharacters=utf and utf.characters or string.utfcharacters
+local utfgmatch=utf and utf.gmatch
+local utfchar=utf and utf.char
+lpeg.UP=lpeg.P
+if utfcharacters then
+ function lpeg.US(str)
+ local p=P(false)
+ for uc in utfcharacters(str) do
+ p=p+P(uc)
+ end
+ return p
+ end
+elseif utfgmatch then
+ function lpeg.US(str)
+ local p=P(false)
+ for uc in utfgmatch(str,".") do
+ p=p+P(uc)
+ end
+ return p
+ end
+else
+ function lpeg.US(str)
+ local p=P(false)
+ local f=function(uc)
+ p=p+P(uc)
+ end
+ lpegmatch((utf8char/f)^0,str)
+ return p
+ end
+end
+local range=utf8byte*utf8byte+Cc(false)
+function lpeg.UR(str,more)
+ local first,last
+ if type(str)=="number" then
+ first=str
+ last=more or first
+ else
+ first,last=lpegmatch(range,str)
+ if not last then
+ return P(str)
+ end
+ end
+ if first==last then
+ return P(str)
+ elseif utfchar and (last-first<8) then
+ local p=P(false)
+ for i=first,last do
+ p=p+P(utfchar(i))
+ end
+ return p
+ else
+ local f=function(b)
+ return b>=first and b<=last
+ end
+ return utf8byte/f
+ end
+end
+function lpeg.is_lpeg(p)
+ return p and lpegtype(p)=="pattern"
+end
+function lpeg.oneof(list,...)
+ if type(list)~="table" then
+ list={ list,... }
+ end
+ local p=P(list[1])
+ for l=2,#list do
+ p=p+P(list[l])
+ end
+ return p
+end
+local sort=table.sort
+local function copyindexed(old)
+ local new={}
+ for i=1,#old do
+ new[i]=old
+ end
+ return new
+end
+local function sortedkeys(tab)
+ local keys,s={},0
+ for key,_ in next,tab do
+ s=s+1
+ keys[s]=key
+ end
+ sort(keys)
+ return keys
+end
+function lpeg.append(list,pp,delayed,checked)
+ local p=pp
+ if #list>0 then
+ local keys=copyindexed(list)
+ sort(keys)
+ for i=#keys,1,-1 do
+ local k=keys[i]
+ if p then
+ p=P(k)+p
+ else
+ p=P(k)
+ end
+ end
+ elseif delayed then
+ local keys=sortedkeys(list)
+ if p then
+ for i=1,#keys,1 do
+ local k=keys[i]
+ local v=list[k]
+ p=P(k)/list+p
+ end
+ else
+ for i=1,#keys do
+ local k=keys[i]
+ local v=list[k]
+ if p then
+ p=P(k)+p
+ else
+ p=P(k)
+ end
+ end
+ if p then
+ p=p/list
+ end
+ end
+ elseif checked then
+ local keys=sortedkeys(list)
+ for i=1,#keys do
+ local k=keys[i]
+ local v=list[k]
+ if p then
+ if k==v then
+ p=P(k)+p
+ else
+ p=P(k)/v+p
+ end
+ else
+ if k==v then
+ p=P(k)
+ else
+ p=P(k)/v
+ end
+ end
+ end
+ else
+ local keys=sortedkeys(list)
+ for i=1,#keys do
+ local k=keys[i]
+ local v=list[k]
+ if p then
+ p=P(k)/v+p
+ else
+ p=P(k)/v
+ end
+ end
+ end
+ return p
+end
+local p_false=P(false)
+local p_true=P(true)
+local lower=utf and utf.lower or string.lower
+local upper=utf and utf.upper or string.upper
+function lpeg.setutfcasers(l,u)
+ lower=l or lower
+ upper=u or upper
+end
+local function make1(t,rest)
+ local p=p_false
+ local keys=sortedkeys(t)
+ for i=1,#keys do
+ local k=keys[i]
+ if k~="" then
+ local v=t[k]
+ if v==true then
+ p=p+P(k)*p_true
+ elseif v==false then
+ else
+ p=p+P(k)*make1(v,v[""])
+ end
+ end
+ end
+ if rest then
+ p=p+p_true
+ end
+ return p
+end
+local function make2(t,rest)
+ local p=p_false
+ local keys=sortedkeys(t)
+ for i=1,#keys do
+ local k=keys[i]
+ if k~="" then
+ local v=t[k]
+ if v==true then
+ p=p+(P(lower(k))+P(upper(k)))*p_true
+ elseif v==false then
+ else
+ p=p+(P(lower(k))+P(upper(k)))*make2(v,v[""])
+ end
+ end
+ end
+ if rest then
+ p=p+p_true
+ end
+ return p
+end
+local function utfchartabletopattern(list,insensitive)
+ local tree={}
+ local n=#list
+ if n==0 then
+ for s in next,list do
+ local t=tree
+ local p,pk
+ for c in gmatch(s,".") do
+ if t==true then
+ t={ [c]=true,[""]=true }
+ p[pk]=t
+ p=t
+ t=false
+ elseif t==false then
+ t={ [c]=false }
+ p[pk]=t
+ p=t
+ t=false
+ else
+ local tc=t[c]
+ if not tc then
+ tc=false
+ t[c]=false
+ end
+ p=t
+ t=tc
+ end
+ pk=c
+ end
+ if t==false then
+ p[pk]=true
+ elseif t==true then
+ else
+ t[""]=true
+ end
+ end
+ else
+ for i=1,n do
+ local s=list[i]
+ local t=tree
+ local p,pk
+ for c in gmatch(s,".") do
+ if t==true then
+ t={ [c]=true,[""]=true }
+ p[pk]=t
+ p=t
+ t=false
+ elseif t==false then
+ t={ [c]=false }
+ p[pk]=t
+ p=t
+ t=false
+ else
+ local tc=t[c]
+ if not tc then
+ tc=false
+ t[c]=false
+ end
+ p=t
+ t=tc
+ end
+ pk=c
+ end
+ if t==false then
+ p[pk]=true
+ elseif t==true then
+ else
+ t[""]=true
+ end
+ end
+ end
+ return (insensitive and make2 or make1)(tree)
+end
+lpeg.utfchartabletopattern=utfchartabletopattern
+function lpeg.utfreplacer(list,insensitive)
+ local pattern=Cs((utfchartabletopattern(list,insensitive)/list+utf8character)^0)
+ return function(str)
+ return lpegmatch(pattern,str) or str
+ end
+end
+patterns.containseol=lpeg.finder(eol)
+local function nextstep(n,step,result)
+ local m=n%step
+ local d=floor(n/step)
+ if d>0 then
+ local v=V(tostring(step))
+ local s=result.start
+ for i=1,d do
+ if s then
+ s=v*s
+ else
+ s=v
+ end
+ end
+ result.start=s
+ end
+ if step>1 and result.start then
+ local v=V(tostring(step/2))
+ result[tostring(step)]=v*v
+ end
+ if step>0 then
+ return nextstep(m,step/2,result)
+ else
+ return result
+ end
+end
+function lpeg.times(pattern,n)
+ return P(nextstep(n,2^16,{ "start",["1"]=pattern }))
+end
+do
+ local trailingzeros=zero^0*-digit
+ local stripper=Cs((
+ digits*(
+ period*trailingzeros/""+period*(digit-trailingzeros)^1*(trailingzeros/"")
+ )+1
+ )^0)
+ lpeg.patterns.stripzeros=stripper
+ local nonzero=digit-zero
+ local trailingzeros=zero^1*endofstring
+ local stripper=Cs((1-period)^0*(
+ (period*trailingzeros/"")+period*(nonzero^1+(trailingzeros/"")+zero^1)^0
+ ))
+ lpeg.patterns.stripzero=stripper
+end
+local byte_to_HEX={}
+local byte_to_hex={}
+local byte_to_dec={}
+local hex_to_byte={}
+for i=0,255 do
+ local H=format("%02X",i)
+ local h=format("%02x",i)
+ local d=format("%03i",i)
+ local c=char(i)
+ byte_to_HEX[c]=H
+ byte_to_hex[c]=h
+ byte_to_dec[c]=d
+ hex_to_byte[h]=c
+ hex_to_byte[H]=c
+end
+local hextobyte=P(2)/hex_to_byte
+local bytetoHEX=P(1)/byte_to_HEX
+local bytetohex=P(1)/byte_to_hex
+local bytetodec=P(1)/byte_to_dec
+local hextobytes=Cs(hextobyte^0)
+local bytestoHEX=Cs(bytetoHEX^0)
+local bytestohex=Cs(bytetohex^0)
+local bytestodec=Cs(bytetodec^0)
+patterns.hextobyte=hextobyte
+patterns.bytetoHEX=bytetoHEX
+patterns.bytetohex=bytetohex
+patterns.bytetodec=bytetodec
+patterns.hextobytes=hextobytes
+patterns.bytestoHEX=bytestoHEX
+patterns.bytestohex=bytestohex
+patterns.bytestodec=bytestodec
+function string.toHEX(s)
+ if not s or s=="" then
+ return s
+ else
+ return lpegmatch(bytestoHEX,s)
+ end
+end
+function string.tohex(s)
+ if not s or s=="" then
+ return s
+ else
+ return lpegmatch(bytestohex,s)
+ end
+end
+function string.todec(s)
+ if not s or s=="" then
+ return s
+ else
+ return lpegmatch(bytestodec,s)
+ end
+end
+function string.tobytes(s)
+ if not s or s=="" then
+ return s
+ else
+ return lpegmatch(hextobytes,s)
+ end
+end
+local patterns={}
+local function containsws(what)
+ local p=patterns[what]
+ if not p then
+ local p1=P(what)*(whitespace+endofstring)*Cc(true)
+ local p2=whitespace*P(p1)
+ p=P(p1)+P(1-p2)^0*p2+Cc(false)
+ patterns[what]=p
+ end
+ return p
+end
+lpeg.containsws=containsws
+function string.containsws(str,what)
+ return lpegmatch(patterns[what] or containsws(what),str)
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['l-functions']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+functions=functions or {}
+function functions.dummy() end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['l-string']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local string=string
+local sub,gmatch,format,char,byte,rep,lower=string.sub,string.gmatch,string.format,string.char,string.byte,string.rep,string.lower
+local lpegmatch,patterns=lpeg.match,lpeg.patterns
+local P,S,C,Ct,Cc,Cs=lpeg.P,lpeg.S,lpeg.C,lpeg.Ct,lpeg.Cc,lpeg.Cs
+local unquoted=patterns.squote*C(patterns.nosquote)*patterns.squote+patterns.dquote*C(patterns.nodquote)*patterns.dquote
+function string.unquoted(str)
+ return lpegmatch(unquoted,str) or str
+end
+function string.quoted(str)
+ return format("%q",str)
+end
+function string.count(str,pattern)
+ local n=0
+ for _ in gmatch(str,pattern) do
+ n=n+1
+ end
+ return n
+end
+function string.limit(str,n,sentinel)
+ if #str>n then
+ sentinel=sentinel or "..."
+ return sub(str,1,(n-#sentinel))..sentinel
+ else
+ return str
+ end
+end
+local stripper=patterns.stripper
+local fullstripper=patterns.fullstripper
+local collapser=patterns.collapser
+local nospacer=patterns.nospacer
+local longtostring=patterns.longtostring
+function string.strip(str)
+ return str and lpegmatch(stripper,str) or ""
+end
+function string.fullstrip(str)
+ return str and lpegmatch(fullstripper,str) or ""
+end
+function string.collapsespaces(str)
+ return str and lpegmatch(collapser,str) or ""
+end
+function string.nospaces(str)
+ return str and lpegmatch(nospacer,str) or ""
+end
+function string.longtostring(str)
+ return str and lpegmatch(longtostring,str) or ""
+end
+local pattern=P(" ")^0*P(-1)
+function string.is_empty(str)
+ if not str or str=="" then
+ return true
+ else
+ return lpegmatch(pattern,str) and true or false
+ end
+end
+local anything=patterns.anything
+local allescapes=Cc("%")*S(".-+%?()[]*")
+local someescapes=Cc("%")*S(".-+%()[]")
+local matchescapes=Cc(".")*S("*?")
+local pattern_a=Cs ((allescapes+anything )^0 )
+local pattern_b=Cs ((someescapes+matchescapes+anything )^0 )
+local pattern_c=Cs (Cc("^")*(someescapes+matchescapes+anything )^0*Cc("$") )
+function string.escapedpattern(str,simple)
+ return lpegmatch(simple and pattern_b or pattern_a,str)
+end
+function string.topattern(str,lowercase,strict)
+ if str=="" or type(str)~="string" then
+ return ".*"
+ elseif strict then
+ str=lpegmatch(pattern_c,str)
+ else
+ str=lpegmatch(pattern_b,str)
+ end
+ if lowercase then
+ return lower(str)
+ else
+ return str
+ end
+end
+function string.valid(str,default)
+ return (type(str)=="string" and str~="" and str) or default or nil
+end
+string.itself=function(s) return s end
+local pattern_c=Ct(C(1)^0)
+local pattern_b=Ct((C(1)/byte)^0)
+function string.totable(str,bytes)
+ return lpegmatch(bytes and pattern_b or pattern_c,str)
+end
+local replacer=lpeg.replacer("@","%%")
+function string.tformat(fmt,...)
+ return format(lpegmatch(replacer,fmt),...)
+end
+string.quote=string.quoted
+string.unquote=string.unquoted
+if not string.bytetable then
+ local limit=5000
+ function string.bytetable(str)
+ local n=#str
+ if n>limit then
+ local t={ byte(str,1,limit) }
+ for i=limit+1,n do
+ t[i]=byte(str,i)
+ end
+ return t
+ else
+ return { byte(str,1,n) }
+ end
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['l-table']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local type,next,tostring,tonumber,select=type,next,tostring,tonumber,select
+local table,string=table,string
+local concat,sort,insert,remove=table.concat,table.sort,table.insert,table.remove
+local format,lower,dump=string.format,string.lower,string.dump
+local getmetatable,setmetatable=getmetatable,setmetatable
+local getinfo=debug.getinfo
+local lpegmatch,patterns=lpeg.match,lpeg.patterns
+local floor=math.floor
+local stripper=patterns.stripper
+function table.getn(t)
+ return t and #t
+end
+function table.strip(tab)
+ local lst,l={},0
+ for i=1,#tab do
+ local s=lpegmatch(stripper,tab[i]) or ""
+ if s=="" then
+ else
+ l=l+1
+ lst[l]=s
+ end
+ end
+ return lst
+end
+function table.keys(t)
+ if t then
+ local keys,k={},0
+ for key in next,t do
+ k=k+1
+ keys[k]=key
+ end
+ return keys
+ else
+ return {}
+ end
+end
+local function compare(a,b)
+ local ta=type(a)
+ if ta=="number" then
+ local tb=type(b)
+ if ta==tb then
+ return a<b
+ elseif tb=="string" then
+ return tostring(a)<b
+ end
+ elseif ta=="string" then
+ local tb=type(b)
+ if ta==tb then
+ return a<b
+ else
+ return a<tostring(b)
+ end
+ end
+ return tostring(a)<tostring(b)
+end
+local function sortedkeys(tab)
+ if tab then
+ local srt,category,s={},0,0
+ for key in next,tab do
+ s=s+1
+ srt[s]=key
+ if category==3 then
+ elseif category==1 then
+ if type(key)~="string" then
+ category=3
+ end
+ elseif category==2 then
+ if type(key)~="number" then
+ category=3
+ end
+ else
+ local tkey=type(key)
+ if tkey=="string" then
+ category=1
+ elseif tkey=="number" then
+ category=2
+ else
+ category=3
+ end
+ end
+ end
+ if s<2 then
+ elseif category==3 then
+ sort(srt,compare)
+ else
+ sort(srt)
+ end
+ return srt
+ else
+ return {}
+ end
+end
+local function sortedhashonly(tab)
+ if tab then
+ local srt,s={},0
+ for key in next,tab do
+ if type(key)=="string" then
+ s=s+1
+ srt[s]=key
+ end
+ end
+ if s>1 then
+ sort(srt)
+ end
+ return srt
+ else
+ return {}
+ end
+end
+local function sortedindexonly(tab)
+ if tab then
+ local srt,s={},0
+ for key in next,tab do
+ if type(key)=="number" then
+ s=s+1
+ srt[s]=key
+ end
+ end
+ if s>1 then
+ sort(srt)
+ end
+ return srt
+ else
+ return {}
+ end
+end
+local function sortedhashkeys(tab,cmp)
+ if tab then
+ local srt,s={},0
+ for key in next,tab do
+ if key then
+ s=s+1
+ srt[s]=key
+ end
+ end
+ if s>1 then
+ sort(srt,cmp)
+ end
+ return srt
+ else
+ return {}
+ end
+end
+function table.allkeys(t)
+ local keys={}
+ for k,v in next,t do
+ for k in next,v do
+ keys[k]=true
+ end
+ end
+ return sortedkeys(keys)
+end
+table.sortedkeys=sortedkeys
+table.sortedhashonly=sortedhashonly
+table.sortedindexonly=sortedindexonly
+table.sortedhashkeys=sortedhashkeys
+local function nothing() end
+local function sortedhash(t,cmp)
+ if t then
+ local s
+ if cmp then
+ s=sortedhashkeys(t,function(a,b) return cmp(t,a,b) end)
+ else
+ s=sortedkeys(t)
+ end
+ local m=#s
+ if m==1 then
+ return next,t
+ elseif m>0 then
+ local n=0
+ return function()
+ if n<m then
+ n=n+1
+ local k=s[n]
+ return k,t[k]
+ end
+ end
+ end
+ end
+ return nothing
+end
+table.sortedhash=sortedhash
+table.sortedpairs=sortedhash
+function table.append(t,list)
+ local n=#t
+ for i=1,#list do
+ n=n+1
+ t[n]=list[i]
+ end
+ return t
+end
+function table.prepend(t,list)
+ local nl=#list
+ local nt=nl+#t
+ for i=#t,1,-1 do
+ t[nt]=t[i]
+ nt=nt-1
+ end
+ for i=1,#list do
+ t[i]=list[i]
+ end
+ return t
+end
+function table.merge(t,...)
+ t=t or {}
+ for i=1,select("#",...) do
+ for k,v in next,(select(i,...)) do
+ t[k]=v
+ end
+ end
+ return t
+end
+function table.merged(...)
+ local t={}
+ for i=1,select("#",...) do
+ for k,v in next,(select(i,...)) do
+ t[k]=v
+ end
+ end
+ return t
+end
+function table.imerge(t,...)
+ local nt=#t
+ for i=1,select("#",...) do
+ local nst=select(i,...)
+ for j=1,#nst do
+ nt=nt+1
+ t[nt]=nst[j]
+ end
+ end
+ return t
+end
+function table.imerged(...)
+ local tmp,ntmp={},0
+ for i=1,select("#",...) do
+ local nst=select(i,...)
+ for j=1,#nst do
+ ntmp=ntmp+1
+ tmp[ntmp]=nst[j]
+ end
+ end
+ return tmp
+end
+local function fastcopy(old,metatabletoo)
+ if old then
+ local new={}
+ for k,v in next,old do
+ if type(v)=="table" then
+ new[k]=fastcopy(v,metatabletoo)
+ else
+ new[k]=v
+ end
+ end
+ if metatabletoo then
+ local mt=getmetatable(old)
+ if mt then
+ setmetatable(new,mt)
+ end
+ end
+ return new
+ else
+ return {}
+ end
+end
+local function copy(t,tables)
+ tables=tables or {}
+ local tcopy={}
+ if not tables[t] then
+ tables[t]=tcopy
+ end
+ for i,v in next,t do
+ if type(i)=="table" then
+ if tables[i] then
+ i=tables[i]
+ else
+ i=copy(i,tables)
+ end
+ end
+ if type(v)~="table" then
+ tcopy[i]=v
+ elseif tables[v] then
+ tcopy[i]=tables[v]
+ else
+ tcopy[i]=copy(v,tables)
+ end
+ end
+ local mt=getmetatable(t)
+ if mt then
+ setmetatable(tcopy,mt)
+ end
+ return tcopy
+end
+table.fastcopy=fastcopy
+table.copy=copy
+function table.derive(parent)
+ local child={}
+ if parent then
+ setmetatable(child,{ __index=parent })
+ end
+ return child
+end
+function table.tohash(t,value)
+ local h={}
+ if t then
+ if value==nil then value=true end
+ for _,v in next,t do
+ h[v]=value
+ end
+ end
+ return h
+end
+function table.fromhash(t)
+ local hsh,h={},0
+ for k,v in next,t do
+ if v then
+ h=h+1
+ hsh[h]=k
+ end
+ end
+ return hsh
+end
+local noquotes,hexify,handle,compact,inline,functions,metacheck
+local reserved=table.tohash {
+ 'and','break','do','else','elseif','end','false','for','function','if',
+ 'in','local','nil','not','or','repeat','return','then','true','until','while',
+ 'NaN','goto',
+}
+local function is_simple_table(t,hexify)
+ local nt=#t
+ if nt>0 then
+ local n=0
+ for _,v in next,t do
+ n=n+1
+ if type(v)=="table" then
+ return nil
+ end
+ end
+ local haszero=rawget(t,0)
+ if n==nt then
+ local tt={}
+ for i=1,nt do
+ local v=t[i]
+ local tv=type(v)
+ if tv=="number" then
+ if hexify then
+ tt[i]=format("0x%X",v)
+ else
+ tt[i]=v
+ end
+ elseif tv=="string" then
+ tt[i]=format("%q",v)
+ elseif tv=="boolean" then
+ tt[i]=v and "true" or "false"
+ else
+ return nil
+ end
+ end
+ return tt
+ elseif haszero and (n==nt+1) then
+ local tt={}
+ for i=0,nt do
+ local v=t[i]
+ local tv=type(v)
+ if tv=="number" then
+ if hexify then
+ tt[i+1]=format("0x%X",v)
+ else
+ tt[i+1]=v
+ end
+ elseif tv=="string" then
+ tt[i+1]=format("%q",v)
+ elseif tv=="boolean" then
+ tt[i+1]=v and "true" or "false"
+ else
+ return nil
+ end
+ end
+ tt[1]="[0] = "..tt[1]
+ return tt
+ end
+ end
+ return nil
+end
+table.is_simple_table=is_simple_table
+local propername=patterns.propername
+local function dummy() end
+local function do_serialize(root,name,depth,level,indexed)
+ if level>0 then
+ depth=depth.." "
+ if indexed then
+ handle(format("%s{",depth))
+ else
+ local tn=type(name)
+ if tn=="number" then
+ if hexify then
+ handle(format("%s[0x%X]={",depth,name))
+ else
+ handle(format("%s[%s]={",depth,name))
+ end
+ elseif tn=="string" then
+ if noquotes and not reserved[name] and lpegmatch(propername,name) then
+ handle(format("%s%s={",depth,name))
+ else
+ handle(format("%s[%q]={",depth,name))
+ end
+ elseif tn=="boolean" then
+ handle(format("%s[%s]={",depth,name and "true" or "false"))
+ else
+ handle(format("%s{",depth))
+ end
+ end
+ end
+ if root and next(root)~=nil then
+ local first,last=nil,0
+ if compact then
+ last=#root
+ for k=1,last do
+ if rawget(root,k)==nil then
+ last=k-1
+ break
+ end
+ end
+ if last>0 then
+ first=1
+ end
+ end
+ local sk=sortedkeys(root)
+ for i=1,#sk do
+ local k=sk[i]
+ local v=root[k]
+ local tv=type(v)
+ local tk=type(k)
+ if compact and first and tk=="number" and k>=first and k<=last then
+ if tv=="number" then
+ if hexify then
+ handle(format("%s 0x%X,",depth,v))
+ else
+ handle(format("%s %s,",depth,v))
+ end
+ elseif tv=="string" then
+ handle(format("%s %q,",depth,v))
+ elseif tv=="table" then
+ if next(v)==nil then
+ handle(format("%s {},",depth))
+ elseif inline then
+ local st=is_simple_table(v,hexify)
+ if st then
+ handle(format("%s { %s },",depth,concat(st,", ")))
+ else
+ do_serialize(v,k,depth,level+1,true)
+ end
+ else
+ do_serialize(v,k,depth,level+1,true)
+ end
+ elseif tv=="boolean" then
+ handle(format("%s %s,",depth,v and "true" or "false"))
+ elseif tv=="function" then
+ if functions then
+ handle(format('%s load(%q),',depth,dump(v)))
+ else
+ handle(format('%s "function",',depth))
+ end
+ else
+ handle(format("%s %q,",depth,tostring(v)))
+ end
+ elseif k=="__p__" then
+ if false then
+ handle(format("%s __p__=nil,",depth))
+ end
+ elseif tv=="number" then
+ if tk=="number" then
+ if hexify then
+ handle(format("%s [0x%X]=0x%X,",depth,k,v))
+ else
+ handle(format("%s [%s]=%s,",depth,k,v))
+ end
+ elseif tk=="boolean" then
+ if hexify then
+ handle(format("%s [%s]=0x%X,",depth,k and "true" or "false",v))
+ else
+ handle(format("%s [%s]=%s,",depth,k and "true" or "false",v))
+ end
+ elseif tk~="string" then
+ elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
+ if hexify then
+ handle(format("%s %s=0x%X,",depth,k,v))
+ else
+ handle(format("%s %s=%s,",depth,k,v))
+ end
+ else
+ if hexify then
+ handle(format("%s [%q]=0x%X,",depth,k,v))
+ else
+ handle(format("%s [%q]=%s,",depth,k,v))
+ end
+ end
+ elseif tv=="string" then
+ if tk=="number" then
+ if hexify then
+ handle(format("%s [0x%X]=%q,",depth,k,v))
+ else
+ handle(format("%s [%s]=%q,",depth,k,v))
+ end
+ elseif tk=="boolean" then
+ handle(format("%s [%s]=%q,",depth,k and "true" or "false",v))
+ elseif tk~="string" then
+ elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
+ handle(format("%s %s=%q,",depth,k,v))
+ else
+ handle(format("%s [%q]=%q,",depth,k,v))
+ end
+ elseif tv=="table" then
+ if next(v)==nil then
+ if tk=="number" then
+ if hexify then
+ handle(format("%s [0x%X]={},",depth,k))
+ else
+ handle(format("%s [%s]={},",depth,k))
+ end
+ elseif tk=="boolean" then
+ handle(format("%s [%s]={},",depth,k and "true" or "false"))
+ elseif tk~="string" then
+ elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
+ handle(format("%s %s={},",depth,k))
+ else
+ handle(format("%s [%q]={},",depth,k))
+ end
+ elseif inline then
+ local st=is_simple_table(v,hexify)
+ if st then
+ if tk=="number" then
+ if hexify then
+ handle(format("%s [0x%X]={ %s },",depth,k,concat(st,", ")))
+ else
+ handle(format("%s [%s]={ %s },",depth,k,concat(st,", ")))
+ end
+ elseif tk=="boolean" then
+ handle(format("%s [%s]={ %s },",depth,k and "true" or "false",concat(st,", ")))
+ elseif tk~="string" then
+ elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
+ handle(format("%s %s={ %s },",depth,k,concat(st,", ")))
+ else
+ handle(format("%s [%q]={ %s },",depth,k,concat(st,", ")))
+ end
+ else
+ do_serialize(v,k,depth,level+1)
+ end
+ else
+ do_serialize(v,k,depth,level+1)
+ end
+ elseif tv=="boolean" then
+ if tk=="number" then
+ if hexify then
+ handle(format("%s [0x%X]=%s,",depth,k,v and "true" or "false"))
+ else
+ handle(format("%s [%s]=%s,",depth,k,v and "true" or "false"))
+ end
+ elseif tk=="boolean" then
+ handle(format("%s [%s]=%s,",depth,tostring(k),v and "true" or "false"))
+ elseif tk~="string" then
+ elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
+ handle(format("%s %s=%s,",depth,k,v and "true" or "false"))
+ else
+ handle(format("%s [%q]=%s,",depth,k,v and "true" or "false"))
+ end
+ elseif tv=="function" then
+ if functions then
+ local f=getinfo(v).what=="C" and dump(dummy) or dump(v)
+ if tk=="number" then
+ if hexify then
+ handle(format("%s [0x%X]=load(%q),",depth,k,f))
+ else
+ handle(format("%s [%s]=load(%q),",depth,k,f))
+ end
+ elseif tk=="boolean" then
+ handle(format("%s [%s]=load(%q),",depth,k and "true" or "false",f))
+ elseif tk~="string" then
+ elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
+ handle(format("%s %s=load(%q),",depth,k,f))
+ else
+ handle(format("%s [%q]=load(%q),",depth,k,f))
+ end
+ end
+ else
+ if tk=="number" then
+ if hexify then
+ handle(format("%s [0x%X]=%q,",depth,k,tostring(v)))
+ else
+ handle(format("%s [%s]=%q,",depth,k,tostring(v)))
+ end
+ elseif tk=="boolean" then
+ handle(format("%s [%s]=%q,",depth,k and "true" or "false",tostring(v)))
+ elseif tk~="string" then
+ elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
+ handle(format("%s %s=%q,",depth,k,tostring(v)))
+ else
+ handle(format("%s [%q]=%q,",depth,k,tostring(v)))
+ end
+ end
+ end
+ end
+ if level>0 then
+ handle(format("%s},",depth))
+ end
+end
+local function serialize(_handle,root,name,specification)
+ local tname=type(name)
+ if type(specification)=="table" then
+ noquotes=specification.noquotes
+ hexify=specification.hexify
+ handle=_handle or specification.handle or print
+ functions=specification.functions
+ compact=specification.compact
+ inline=specification.inline and compact
+ metacheck=specification.metacheck
+ if functions==nil then
+ functions=true
+ end
+ if compact==nil then
+ compact=true
+ end
+ if inline==nil then
+ inline=compact
+ end
+ if metacheck==nil then
+ metacheck=true
+ end
+ else
+ noquotes=false
+ hexify=false
+ handle=_handle or print
+ compact=true
+ inline=true
+ functions=true
+ metacheck=true
+ end
+ if tname=="string" then
+ if name=="return" then
+ handle("return {")
+ else
+ handle(name.."={")
+ end
+ elseif tname=="number" then
+ if hexify then
+ handle(format("[0x%X]={",name))
+ else
+ handle("["..name.."]={")
+ end
+ elseif tname=="boolean" then
+ if name then
+ handle("return {")
+ else
+ handle("{")
+ end
+ else
+ handle("t={")
+ end
+ if root then
+ if metacheck and getmetatable(root) then
+ local dummy=root._w_h_a_t_e_v_e_r_
+ root._w_h_a_t_e_v_e_r_=nil
+ end
+ if next(root)~=nil then
+ do_serialize(root,name,"",0)
+ end
+ end
+ handle("}")
+end
+function table.serialize(root,name,specification)
+ local t,n={},0
+ local function flush(s)
+ n=n+1
+ t[n]=s
+ end
+ serialize(flush,root,name,specification)
+ return concat(t,"\n")
+end
+table.tohandle=serialize
+local maxtab=2*1024
+function table.tofile(filename,root,name,specification)
+ local f=io.open(filename,'w')
+ if f then
+ if maxtab>1 then
+ local t,n={},0
+ local function flush(s)
+ n=n+1
+ t[n]=s
+ if n>maxtab then
+ f:write(concat(t,"\n"),"\n")
+ t,n={},0
+ end
+ end
+ serialize(flush,root,name,specification)
+ f:write(concat(t,"\n"),"\n")
+ else
+ local function flush(s)
+ f:write(s,"\n")
+ end
+ serialize(flush,root,name,specification)
+ end
+ f:close()
+ io.flush()
+ end
+end
+local function flattened(t,f,depth)
+ if f==nil then
+ f={}
+ depth=0xFFFF
+ elseif tonumber(f) then
+ depth=f
+ f={}
+ elseif not depth then
+ depth=0xFFFF
+ end
+ for k,v in next,t do
+ if type(k)~="number" then
+ if depth>0 and type(v)=="table" then
+ flattened(v,f,depth-1)
+ else
+ f[#f+1]=v
+ end
+ end
+ end
+ for k=1,#t do
+ local v=t[k]
+ if depth>0 and type(v)=="table" then
+ flattened(v,f,depth-1)
+ else
+ f[#f+1]=v
+ end
+ end
+ return f
+end
+table.flattened=flattened
+local function collapsed(t,f,h)
+ if f==nil then
+ f={}
+ h={}
+ end
+ for k=1,#t do
+ local v=t[k]
+ if type(v)=="table" then
+ collapsed(v,f,h)
+ elseif not h[v] then
+ f[#f+1]=v
+ h[v]=true
+ end
+ end
+ return f
+end
+local function collapsedhash(t,h)
+ if h==nil then
+ h={}
+ end
+ for k=1,#t do
+ local v=t[k]
+ if type(v)=="table" then
+ collapsedhash(v,h)
+ else
+ h[v]=true
+ end
+ end
+ return h
+end
+table.collapsed=collapsed
+table.collapsedhash=collapsedhash
+local function unnest(t,f)
+ if not f then
+ f={}
+ end
+ for i=1,#t do
+ local v=t[i]
+ if type(v)=="table" then
+ if type(v[1])=="table" then
+ unnest(v,f)
+ else
+ f[#f+1]=v
+ end
+ else
+ f[#f+1]=v
+ end
+ end
+ return f
+end
+function table.unnest(t)
+ return unnest(t)
+end
+local function are_equal(a,b,n,m)
+ if a==b then
+ return true
+ elseif a and b and #a==#b then
+ n=n or 1
+ m=m or #a
+ for i=n,m do
+ local ai,bi=a[i],b[i]
+ if ai==bi then
+ elseif type(ai)=="table" and type(bi)=="table" then
+ if not are_equal(ai,bi) then
+ return false
+ end
+ else
+ return false
+ end
+ end
+ return true
+ else
+ return false
+ end
+end
+local function identical(a,b)
+ if a~=b then
+ for ka,va in next,a do
+ local vb=b[ka]
+ if va==vb then
+ elseif type(va)=="table" and type(vb)=="table" then
+ if not identical(va,vb) then
+ return false
+ end
+ else
+ return false
+ end
+ end
+ end
+ return true
+end
+table.identical=identical
+table.are_equal=are_equal
+local function sparse(old,nest,keeptables)
+ local new={}
+ for k,v in next,old do
+ if not (v=="" or v==false) then
+ if nest and type(v)=="table" then
+ v=sparse(v,nest)
+ if keeptables or next(v)~=nil then
+ new[k]=v
+ end
+ else
+ new[k]=v
+ end
+ end
+ end
+ return new
+end
+table.sparse=sparse
+function table.compact(t)
+ return sparse(t,true,true)
+end
+function table.contains(t,v)
+ if t then
+ for i=1,#t do
+ if t[i]==v then
+ return i
+ end
+ end
+ end
+ return false
+end
+function table.count(t)
+ local n=0
+ for k,v in next,t do
+ n=n+1
+ end
+ return n
+end
+function table.swapped(t,s)
+ local n={}
+ if s then
+ for k,v in next,s do
+ n[k]=v
+ end
+ end
+ for k,v in next,t do
+ n[v]=k
+ end
+ return n
+end
+function table.hashed(t)
+ for i=1,#t do
+ t[t[i]]=i
+ end
+ return t
+end
+function table.mirrored(t)
+ local n={}
+ for k,v in next,t do
+ n[v]=k
+ n[k]=v
+ end
+ return n
+end
+function table.reversed(t)
+ if t then
+ local tt,tn={},#t
+ if tn>0 then
+ local ttn=0
+ for i=tn,1,-1 do
+ ttn=ttn+1
+ tt[ttn]=t[i]
+ end
+ end
+ return tt
+ end
+end
+function table.reverse(t)
+ if t then
+ local n=#t
+ local m=n+1
+ for i=1,floor(n/2) do
+ local j=m-i
+ t[i],t[j]=t[j],t[i]
+ end
+ return t
+ end
+end
+local function sequenced(t,sep,simple)
+ if not t then
+ return ""
+ elseif type(t)=="string" then
+ return t
+ end
+ local n=#t
+ local s={}
+ if n>0 then
+ for i=1,n do
+ local v=t[i]
+ if type(v)=="table" then
+ s[i]="{"..sequenced(v,sep,simple).."}"
+ else
+ s[i]=tostring(t[i])
+ end
+ end
+ else
+ n=0
+ for k,v in sortedhash(t) do
+ if simple then
+ if v==true then
+ n=n+1
+ s[n]=k
+ elseif v and v~="" then
+ n=n+1
+ if type(v)=="table" then
+ s[n]=k.."={"..sequenced(v,sep,simple).."}"
+ else
+ s[n]=k.."="..tostring(v)
+ end
+ end
+ else
+ n=n+1
+ if type(v)=="table" then
+ s[n]=k.."={"..sequenced(v,sep,simple).."}"
+ else
+ s[n]=k.."="..tostring(v)
+ end
+ end
+ end
+ end
+ return concat(s,sep or " | ")
+end
+table.sequenced=sequenced
+function table.print(t,...)
+ if type(t)~="table" then
+ print(tostring(t))
+ else
+ serialize(print,t,...)
+ end
+end
+if setinspector then
+ setinspector("table",function(v) if type(v)=="table" then serialize(print,v,"table") return true end end)
+end
+function table.sub(t,i,j)
+ return { unpack(t,i,j) }
+end
+function table.is_empty(t)
+ return not t or next(t)==nil
+end
+function table.has_one_entry(t)
+ return t and next(t,next(t))==nil
+end
+function table.loweredkeys(t)
+ local l={}
+ for k,v in next,t do
+ l[lower(k)]=v
+ end
+ return l
+end
+function table.unique(old)
+ local hash={}
+ local new={}
+ local n=0
+ for i=1,#old do
+ local oi=old[i]
+ if not hash[oi] then
+ n=n+1
+ new[n]=oi
+ hash[oi]=true
+ end
+ end
+ return new
+end
+function table.sorted(t,...)
+ sort(t,...)
+ return t
+end
+function table.values(t,s)
+ if t then
+ local values,keys,v={},{},0
+ for key,value in next,t do
+ if not keys[value] then
+ v=v+1
+ values[v]=value
+ keys[k]=key
+ end
+ end
+ if s then
+ sort(values)
+ end
+ return values
+ else
+ return {}
+ end
+end
+function table.filtered(t,pattern,sort,cmp)
+ if t and type(pattern)=="string" then
+ if sort then
+ local s
+ if cmp then
+ s=sortedhashkeys(t,function(a,b) return cmp(t,a,b) end)
+ else
+ s=sortedkeys(t)
+ end
+ local n=0
+ local m=#s
+ local function kv(s)
+ while n<m do
+ n=n+1
+ local k=s[n]
+ if find(k,pattern) then
+ return k,t[k]
+ end
+ end
+ end
+ return kv,s
+ else
+ local n=next(t)
+ local function iterator()
+ while n~=nil do
+ local k=n
+ n=next(t,k)
+ if find(k,pattern) then
+ return k,t[k]
+ end
+ end
+ end
+ return iterator,t
+ end
+ else
+ return nothing
+ end
+end
+if not table.move then
+ function table.move(a1,f,e,t,a2)
+ if a2 and a1~=a2 then
+ for i=f,e do
+ a2[t]=a1[i]
+ t=t+1
+ end
+ return a2
+ else
+ t=t+e-f
+ for i=e,f,-1 do
+ a1[t]=a1[i]
+ t=t-1
+ end
+ return a1
+ end
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['l-io']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local io=io
+local open,flush,write,read=io.open,io.flush,io.write,io.read
+local byte,find,gsub,format=string.byte,string.find,string.gsub,string.format
+local concat=table.concat
+local type=type
+if string.find(os.getenv("PATH"),";",1,true) then
+ io.fileseparator,io.pathseparator="\\",";"
+else
+ io.fileseparator,io.pathseparator="/",":"
+end
+local large=0x01000000
+local medium=0x00100000
+local small=0x00020000
+local function readall(f)
+ local size=f:seek("end")
+ if size>0 then
+ f:seek("set",0)
+ return f:read(size)
+ else
+ return ""
+ end
+end
+io.readall=readall
+function io.loaddata(filename,textmode)
+ local f=open(filename,(textmode and 'r') or 'rb')
+ if f then
+ local size=f:seek("end")
+ local data=nil
+ if size>0 then
+ f:seek("set",0)
+ data=f:read(size)
+ end
+ f:close()
+ return data
+ end
+end
+function io.copydata(source,target,action)
+ local f=open(source,"rb")
+ if f then
+ local g=open(target,"wb")
+ if g then
+ local size=f:seek("end")
+ if size>0 then
+ f:seek("set",0)
+ local data=f:read(size)
+ if action then
+ data=action(data)
+ end
+ if data then
+ g:write(data)
+ end
+ end
+ g:close()
+ end
+ f:close()
+ flush()
+ end
+end
+function io.savedata(filename,data,joiner)
+ local f=open(filename,"wb")
+ if f then
+ if type(data)=="table" then
+ f:write(concat(data,joiner or ""))
+ elseif type(data)=="function" then
+ data(f)
+ else
+ f:write(data or "")
+ end
+ f:close()
+ flush()
+ return true
+ else
+ return false
+ end
+end
+if fio and fio.readline then
+ local readline=fio.readline
+ function io.loadlines(filename,n)
+ local f=open(filename,'r')
+ if not f then
+ elseif n then
+ local lines={}
+ for i=1,n do
+ local line=readline(f)
+ if line then
+ lines[i]=line
+ else
+ break
+ end
+ end
+ f:close()
+ lines=concat(lines,"\n")
+ if #lines>0 then
+ return lines
+ end
+ else
+ local line=readline(f)
+ f:close()
+ if line and #line>0 then
+ return line
+ end
+ end
+ end
+else
+ function io.loadlines(filename,n)
+ local f=open(filename,'r')
+ if not f then
+ elseif n then
+ local lines={}
+ for i=1,n do
+ local line=f:read("*lines")
+ if line then
+ lines[i]=line
+ else
+ break
+ end
+ end
+ f:close()
+ lines=concat(lines,"\n")
+ if #lines>0 then
+ return lines
+ end
+ else
+ local line=f:read("*line") or ""
+ f:close()
+ if #line>0 then
+ return line
+ end
+ end
+ end
+end
+function io.loadchunk(filename,n)
+ local f=open(filename,'rb')
+ if f then
+ local data=f:read(n or 1024)
+ f:close()
+ if #data>0 then
+ return data
+ end
+ end
+end
+function io.exists(filename)
+ local f=open(filename)
+ if f==nil then
+ return false
+ else
+ f:close()
+ return true
+ end
+end
+function io.size(filename)
+ local f=open(filename)
+ if f==nil then
+ return 0
+ else
+ local s=f:seek("end")
+ f:close()
+ return s
+ end
+end
+local function noflines(f)
+ if type(f)=="string" then
+ local f=open(filename)
+ if f then
+ local n=f and noflines(f) or 0
+ f:close()
+ return n
+ else
+ return 0
+ end
+ else
+ local n=0
+ for _ in f:lines() do
+ n=n+1
+ end
+ f:seek('set',0)
+ return n
+ end
+end
+io.noflines=noflines
+local nextchar={
+ [ 4]=function(f)
+ return f:read(1,1,1,1)
+ end,
+ [ 2]=function(f)
+ return f:read(1,1)
+ end,
+ [ 1]=function(f)
+ return f:read(1)
+ end,
+ [-2]=function(f)
+ local a,b=f:read(1,1)
+ return b,a
+ end,
+ [-4]=function(f)
+ local a,b,c,d=f:read(1,1,1,1)
+ return d,c,b,a
+ end
+}
+function io.characters(f,n)
+ if f then
+ return nextchar[n or 1],f
+ end
+end
+local nextbyte={
+ [4]=function(f)
+ local a,b,c,d=f:read(1,1,1,1)
+ if d then
+ return byte(a),byte(b),byte(c),byte(d)
+ end
+ end,
+ [3]=function(f)
+ local a,b,c=f:read(1,1,1)
+ if b then
+ return byte(a),byte(b),byte(c)
+ end
+ end,
+ [2]=function(f)
+ local a,b=f:read(1,1)
+ if b then
+ return byte(a),byte(b)
+ end
+ end,
+ [1]=function (f)
+ local a=f:read(1)
+ if a then
+ return byte(a)
+ end
+ end,
+ [-2]=function (f)
+ local a,b=f:read(1,1)
+ if b then
+ return byte(b),byte(a)
+ end
+ end,
+ [-3]=function(f)
+ local a,b,c=f:read(1,1,1)
+ if b then
+ return byte(c),byte(b),byte(a)
+ end
+ end,
+ [-4]=function(f)
+ local a,b,c,d=f:read(1,1,1,1)
+ if d then
+ return byte(d),byte(c),byte(b),byte(a)
+ end
+ end
+}
+function io.bytes(f,n)
+ if f then
+ return nextbyte[n or 1],f
+ else
+ return nil,nil
+ end
+end
+function io.ask(question,default,options)
+ while true do
+ write(question)
+ if options then
+ write(format(" [%s]",concat(options,"|")))
+ end
+ if default then
+ write(format(" [%s]",default))
+ end
+ write(format(" "))
+ flush()
+ local answer=read()
+ answer=gsub(answer,"^%s*(.*)%s*$","%1")
+ if answer=="" and default then
+ return default
+ elseif not options then
+ return answer
+ else
+ for k=1,#options do
+ if options[k]==answer then
+ return answer
+ end
+ end
+ local pattern="^"..answer
+ for k=1,#options do
+ local v=options[k]
+ if find(v,pattern) then
+ return v
+ end
+ end
+ end
+ end
+end
+local function readnumber(f,n,m)
+ if m then
+ f:seek("set",n)
+ n=m
+ end
+ if n==1 then
+ return byte(f:read(1))
+ elseif n==2 then
+ local a,b=byte(f:read(2),1,2)
+ return 0x100*a+b
+ elseif n==3 then
+ local a,b,c=byte(f:read(3),1,3)
+ return 0x10000*a+0x100*b+c
+ elseif n==4 then
+ local a,b,c,d=byte(f:read(4),1,4)
+ return 0x1000000*a+0x10000*b+0x100*c+d
+ elseif n==8 then
+ local a,b=readnumber(f,4),readnumber(f,4)
+ return 0x100*a+b
+ elseif n==12 then
+ local a,b,c=readnumber(f,4),readnumber(f,4),readnumber(f,4)
+ return 0x10000*a+0x100*b+c
+ elseif n==-2 then
+ local b,a=byte(f:read(2),1,2)
+ return 0x100*a+b
+ elseif n==-3 then
+ local c,b,a=byte(f:read(3),1,3)
+ return 0x10000*a+0x100*b+c
+ elseif n==-4 then
+ local d,c,b,a=byte(f:read(4),1,4)
+ return 0x1000000*a+0x10000*b+0x100*c+d
+ elseif n==-8 then
+ local h,g,f,e,d,c,b,a=byte(f:read(8),1,8)
+ return 0x100000000000000*a+0x1000000000000*b+0x10000000000*c+0x100000000*d+0x1000000*e+0x10000*f+0x100*g+h
+ else
+ return 0
+ end
+end
+io.readnumber=readnumber
+function io.readstring(f,n,m)
+ if m then
+ f:seek("set",n)
+ n=m
+ end
+ local str=gsub(f:read(n),"\000","")
+ return str
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['l-file']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+file=file or {}
+local file=file
+if not lfs then
+ lfs=optionalrequire("lfs")
+end
+local insert,concat=table.insert,table.concat
+local match,find,gmatch=string.match,string.find,string.gmatch
+local lpegmatch=lpeg.match
+local getcurrentdir,attributes=lfs.currentdir,lfs.attributes
+local checkedsplit=string.checkedsplit
+local P,R,S,C,Cs,Cp,Cc,Ct=lpeg.P,lpeg.R,lpeg.S,lpeg.C,lpeg.Cs,lpeg.Cp,lpeg.Cc,lpeg.Ct
+local attributes=lfs.attributes
+function lfs.isdir(name)
+ return attributes(name,"mode")=="directory"
+end
+function lfs.isfile(name)
+ local a=attributes(name,"mode")
+ return a=="file" or a=="link" or nil
+end
+function lfs.isfound(name)
+ local a=attributes(name,"mode")
+ return (a=="file" or a=="link") and name or nil
+end
+if sandbox then
+ sandbox.redefine(lfs.isfile,"lfs.isfile")
+ sandbox.redefine(lfs.isdir,"lfs.isdir")
+ sandbox.redefine(lfs.isfound,"lfs.isfound")
+end
+local colon=P(":")
+local period=P(".")
+local periods=P("..")
+local fwslash=P("/")
+local bwslash=P("\\")
+local slashes=S("\\/")
+local noperiod=1-period
+local noslashes=1-slashes
+local name=noperiod^1
+local suffix=period/""*(1-period-slashes)^1*-1
+local pattern=C((1-(slashes^1*noslashes^1*-1))^1)*P(1)
+local function pathpart(name,default)
+ return name and lpegmatch(pattern,name) or default or ""
+end
+local pattern=(noslashes^0*slashes)^1*C(noslashes^1)*-1
+local function basename(name)
+ return name and lpegmatch(pattern,name) or name
+end
+local pattern=(noslashes^0*slashes^1)^0*Cs((1-suffix)^1)*suffix^0
+local function nameonly(name)
+ return name and lpegmatch(pattern,name) or name
+end
+local pattern=(noslashes^0*slashes)^0*(noperiod^1*period)^1*C(noperiod^1)*-1
+local function suffixonly(name)
+ return name and lpegmatch(pattern,name) or ""
+end
+local pattern=(noslashes^0*slashes)^0*noperiod^1*((period*C(noperiod^1))^1)*-1+Cc("")
+local function suffixesonly(name)
+ if name then
+ return lpegmatch(pattern,name)
+ else
+ return ""
+ end
+end
+file.pathpart=pathpart
+file.basename=basename
+file.nameonly=nameonly
+file.suffixonly=suffixonly
+file.suffix=suffixonly
+file.suffixesonly=suffixesonly
+file.suffixes=suffixesonly
+file.dirname=pathpart
+file.extname=suffixonly
+local drive=C(R("az","AZ"))*colon
+local path=C((noslashes^0*slashes)^0)
+local suffix=period*C(P(1-period)^0*P(-1))
+local base=C((1-suffix)^0)
+local rest=C(P(1)^0)
+drive=drive+Cc("")
+path=path+Cc("")
+base=base+Cc("")
+suffix=suffix+Cc("")
+local pattern_a=drive*path*base*suffix
+local pattern_b=path*base*suffix
+local pattern_c=C(drive*path)*C(base*suffix)
+local pattern_d=path*rest
+function file.splitname(str,splitdrive)
+ if not str then
+ elseif splitdrive then
+ return lpegmatch(pattern_a,str)
+ else
+ return lpegmatch(pattern_b,str)
+ end
+end
+function file.splitbase(str)
+ if str then
+ return lpegmatch(pattern_d,str)
+ else
+ return "",str
+ end
+end
+function file.nametotable(str,splitdrive)
+ if str then
+ local path,drive,subpath,name,base,suffix=lpegmatch(pattern_c,str)
+ if splitdrive then
+ return {
+ path=path,
+ drive=drive,
+ subpath=subpath,
+ name=name,
+ base=base,
+ suffix=suffix,
+ }
+ else
+ return {
+ path=path,
+ name=name,
+ base=base,
+ suffix=suffix,
+ }
+ end
+ end
+end
+local pattern=Cs(((period*(1-period-slashes)^1*-1)/""+1)^1)
+function file.removesuffix(name)
+ return name and lpegmatch(pattern,name)
+end
+local suffix=period/""*(1-period-slashes)^1*-1
+local pattern=Cs((noslashes^0*slashes^1)^0*((1-suffix)^1))*Cs(suffix)
+function file.addsuffix(filename,suffix,criterium)
+ if not filename or not suffix or suffix=="" then
+ return filename
+ elseif criterium==true then
+ return filename.."."..suffix
+ elseif not criterium then
+ local n,s=lpegmatch(pattern,filename)
+ if not s or s=="" then
+ return filename.."."..suffix
+ else
+ return filename
+ end
+ else
+ local n,s=lpegmatch(pattern,filename)
+ if s and s~="" then
+ local t=type(criterium)
+ if t=="table" then
+ for i=1,#criterium do
+ if s==criterium[i] then
+ return filename
+ end
+ end
+ elseif t=="string" then
+ if s==criterium then
+ return filename
+ end
+ end
+ end
+ return (n or filename).."."..suffix
+ end
+end
+local suffix=period*(1-period-slashes)^1*-1
+local pattern=Cs((1-suffix)^0)
+function file.replacesuffix(name,suffix)
+ if name and suffix and suffix~="" then
+ return lpegmatch(pattern,name).."."..suffix
+ else
+ return name
+ end
+end
+local reslasher=lpeg.replacer(P("\\"),"/")
+function file.reslash(str)
+ return str and lpegmatch(reslasher,str)
+end
+function file.is_writable(name)
+ if not name then
+ elseif lfs.isdir(name) then
+ name=name.."/m_t_x_t_e_s_t.tmp"
+ local f=io.open(name,"wb")
+ if f then
+ f:close()
+ os.remove(name)
+ return true
+ end
+ elseif lfs.isfile(name) then
+ local f=io.open(name,"ab")
+ if f then
+ f:close()
+ return true
+ end
+ else
+ local f=io.open(name,"ab")
+ if f then
+ f:close()
+ os.remove(name)
+ return true
+ end
+ end
+ return false
+end
+local readable=P("r")*Cc(true)
+function file.is_readable(name)
+ if name then
+ local a=attributes(name)
+ return a and lpegmatch(readable,a.permissions) or false
+ else
+ return false
+ end
+end
+file.isreadable=file.is_readable
+file.iswritable=file.is_writable
+function file.size(name)
+ if name then
+ local a=attributes(name)
+ return a and a.size or 0
+ else
+ return 0
+ end
+end
+function file.splitpath(str,separator)
+ return str and checkedsplit(lpegmatch(reslasher,str),separator or io.pathseparator)
+end
+function file.joinpath(tab,separator)
+ return tab and concat(tab,separator or io.pathseparator)
+end
+local someslash=S("\\/")
+local stripper=Cs(P(fwslash)^0/""*reslasher)
+local isnetwork=someslash*someslash*(1-someslash)+(1-fwslash-colon)^1*colon
+local isroot=fwslash^1*-1
+local hasroot=fwslash^1
+local reslasher=lpeg.replacer(S("\\/"),"/")
+local deslasher=lpeg.replacer(S("\\/")^1,"/")
+function file.join(one,two,three,...)
+ if not two then
+ return one=="" and one or lpegmatch(reslasher,one)
+ end
+ if one=="" then
+ return lpegmatch(stripper,three and concat({ two,three,... },"/") or two)
+ end
+ if lpegmatch(isnetwork,one) then
+ local one=lpegmatch(reslasher,one)
+ local two=lpegmatch(deslasher,three and concat({ two,three,... },"/") or two)
+ if lpegmatch(hasroot,two) then
+ return one..two
+ else
+ return one.."/"..two
+ end
+ elseif lpegmatch(isroot,one) then
+ local two=lpegmatch(deslasher,three and concat({ two,three,... },"/") or two)
+ if lpegmatch(hasroot,two) then
+ return two
+ else
+ return "/"..two
+ end
+ else
+ return lpegmatch(deslasher,concat({ one,two,three,... },"/"))
+ end
+end
+local drivespec=R("az","AZ")^1*colon
+local anchors=fwslash+drivespec
+local untouched=periods+(1-period)^1*P(-1)
+local mswindrive=Cs(drivespec*(bwslash/"/"+fwslash)^0)
+local mswinuncpath=(bwslash+fwslash)*(bwslash+fwslash)*Cc("//")
+local splitstarter=(mswindrive+mswinuncpath+Cc(false))*Ct(lpeg.splitat(S("/\\")^1))
+local absolute=fwslash
+function file.collapsepath(str,anchor)
+ if not str then
+ return
+ end
+ if anchor==true and not lpegmatch(anchors,str) then
+ str=getcurrentdir().."/"..str
+ end
+ if str=="" or str=="." then
+ return "."
+ elseif lpegmatch(untouched,str) then
+ return lpegmatch(reslasher,str)
+ end
+ local starter,oldelements=lpegmatch(splitstarter,str)
+ local newelements={}
+ local i=#oldelements
+ while i>0 do
+ local element=oldelements[i]
+ if element=='.' then
+ elseif element=='..' then
+ local n=i-1
+ while n>0 do
+ local element=oldelements[n]
+ if element~='..' and element~='.' then
+ oldelements[n]='.'
+ break
+ else
+ n=n-1
+ end
+ end
+ if n<1 then
+ insert(newelements,1,'..')
+ end
+ elseif element~="" then
+ insert(newelements,1,element)
+ end
+ i=i-1
+ end
+ if #newelements==0 then
+ return starter or "."
+ elseif starter then
+ return starter..concat(newelements,'/')
+ elseif lpegmatch(absolute,str) then
+ return "/"..concat(newelements,'/')
+ else
+ newelements=concat(newelements,'/')
+ if anchor=="." and find(str,"^%./") then
+ return "./"..newelements
+ else
+ return newelements
+ end
+ end
+end
+local validchars=R("az","09","AZ","--","..")
+local pattern_a=lpeg.replacer(1-validchars)
+local pattern_a=Cs((validchars+P(1)/"-")^1)
+local whatever=P("-")^0/""
+local pattern_b=Cs(whatever*(1-whatever*-1)^1)
+function file.robustname(str,strict)
+ if str then
+ str=lpegmatch(pattern_a,str) or str
+ if strict then
+ return lpegmatch(pattern_b,str) or str
+ else
+ return str
+ end
+ end
+end
+local loaddata=io.loaddata
+local savedata=io.savedata
+file.readdata=loaddata
+file.savedata=savedata
+function file.copy(oldname,newname)
+ if oldname and newname then
+ local data=loaddata(oldname)
+ if data and data~="" then
+ savedata(newname,data)
+ end
+ end
+end
+local letter=R("az","AZ")+S("_-+")
+local separator=P("://")
+local qualified=period^0*fwslash+letter*colon+letter^1*separator+letter^1*fwslash
+local rootbased=fwslash+letter*colon
+lpeg.patterns.qualified=qualified
+lpeg.patterns.rootbased=rootbased
+function file.is_qualified_path(filename)
+ return filename and lpegmatch(qualified,filename)~=nil
+end
+function file.is_rootbased_path(filename)
+ return filename and lpegmatch(rootbased,filename)~=nil
+end
+function file.strip(name,dir)
+ if name then
+ local b,a=match(name,"^(.-)"..dir.."(.*)$")
+ return a~="" and a or name
+ end
+end
+function lfs.mkdirs(path)
+ local full=""
+ for sub in gmatch(path,"(/*[^\\/]+)") do
+ full=full..sub
+ lfs.mkdir(full)
+ end
+end
+function file.withinbase(path)
+ local l=0
+ if not find(path,"^/") then
+ path="/"..path
+ end
+ for dir in gmatch(path,"/([^/]+)") do
+ if dir==".." then
+ l=l-1
+ elseif dir~="." then
+ l=l+1
+ end
+ if l<0 then
+ return false
+ end
+ end
+ return true
+end
+local symlinkattributes=lfs.symlinkattributes
+function lfs.readlink(name)
+ return symlinkattributes(name,"target") or nil
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['l-boolean']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local type,tonumber=type,tonumber
+boolean=boolean or {}
+local boolean=boolean
+function boolean.tonumber(b)
+ if b then return 1 else return 0 end
+end
+function toboolean(str,tolerant)
+ if str==nil then
+ return false
+ elseif str==false then
+ return false
+ elseif str==true then
+ return true
+ elseif str=="true" then
+ return true
+ elseif str=="false" then
+ return false
+ elseif not tolerant then
+ return false
+ elseif str==0 then
+ return false
+ elseif (tonumber(str) or 0)>0 then
+ return true
+ else
+ return str=="yes" or str=="on" or str=="t"
+ end
+end
+string.toboolean=toboolean
+function string.booleanstring(str)
+ if str=="0" then
+ return false
+ elseif str=="1" then
+ return true
+ elseif str=="" then
+ return false
+ elseif str=="false" then
+ return false
+ elseif str=="true" then
+ return true
+ elseif (tonumber(str) or 0)>0 then
+ return true
+ else
+ return str=="yes" or str=="on" or str=="t"
+ end
+end
+function string.is_boolean(str,default,strict)
+ if type(str)=="string" then
+ if str=="true" or str=="yes" or str=="on" or str=="t" or (not strict and str=="1") then
+ return true
+ elseif str=="false" or str=="no" or str=="off" or str=="f" or (not strict and str=="0") then
+ return false
+ end
+ end
+ return default
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['l-math']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+if not math.ceiling then
+ math.ceiling=math.ceil
+end
+if not math.round then
+ local floor=math.floor
+ function math.round(x) return floor(x+0.5) end
+end
+if not math.div then
+ local floor=math.floor
+ function math.div(n,m) return floor(n/m) end
+end
+if not math.mod then
+ function math.mod(n,m) return n%m end
+end
+if not math.sind then
+ local sin,cos,tan=math.sin,math.cos,math.tan
+ local pipi=2*math.pi/360
+ function math.sind(d) return sin(d*pipi) end
+ function math.cosd(d) return cos(d*pipi) end
+ function math.tand(d) return tan(d*pipi) end
+end
+if not math.odd then
+ function math.odd (n) return n%2~=0 end
+ function math.even(n) return n%2==0 end
+end
+if not math.cosh then
+ local exp=math.exp
+ function math.cosh(x)
+ local xx=exp(x)
+ return (xx+1/xx)/2
+ end
+ function math.sinh(x)
+ local xx=exp(x)
+ return (xx-1/xx)/2
+ end
+ function math.tanh(x)
+ local xx=exp(x)
+ return (xx-1/xx)/(xx+1/xx)
+ end
+end
+if not math.pow then
+ function math.pow(x,y)
+ return x^y
+ end
+end
+if not math.atan2 then
+ math.atan2=math.atan
+end
+if not math.ldexp then
+ function math.ldexp(x,e)
+ return x*2.0^e
+ end
+end
+if not math.log10 then
+ local log=math.log
+ function math.log10(x)
+ return log(x,10)
+ end
+end
+if not math.type then
+ function math.type()
+ return "float"
+ end
+end
+if not math.tointeger then
+ math.mininteger=-0x4FFFFFFFFFFF
+ math.maxinteger=0x4FFFFFFFFFFF
+ local floor=math.floor
+ function math.tointeger(n)
+ local f=floor(n)
+ return f==n and f or nil
+ end
+end
+if not math.ult then
+ local floor=math.floor
+ function math.tointeger(m,n)
+ return floor(m)<floor(n)
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['l-unicode']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+utf=utf or (unicode and unicode.utf8) or {}
+utf.characters=utf.characters or string.utfcharacters
+utf.values=utf.values or string.utfvalues
+local type=type
+local char,byte,format,sub,gmatch=string.char,string.byte,string.format,string.sub,string.gmatch
+local concat=table.concat
+local P,C,R,Cs,Ct,Cmt,Cc,Carg,Cp=lpeg.P,lpeg.C,lpeg.R,lpeg.Cs,lpeg.Ct,lpeg.Cmt,lpeg.Cc,lpeg.Carg,lpeg.Cp
+local lpegmatch=lpeg.match
+local patterns=lpeg.patterns
+local tabletopattern=lpeg.utfchartabletopattern
+local bytepairs=string.bytepairs
+local finder=lpeg.finder
+local replacer=lpeg.replacer
+local utfvalues=utf.values
+local utfgmatch=utf.gmatch
+local p_utftype=patterns.utftype
+local p_utfstricttype=patterns.utfstricttype
+local p_utfoffset=patterns.utfoffset
+local p_utf8char=patterns.utf8character
+local p_utf8byte=patterns.utf8byte
+local p_utfbom=patterns.utfbom
+local p_newline=patterns.newline
+local p_whitespace=patterns.whitespace
+if not unicode then
+ unicode={ utf=utf }
+end
+if not utf.char then
+ utf.char=string.utfcharacter or (utf8 and utf8.char)
+ if not utf.char then
+ local char=string.char
+ if bit32 then
+ local rshift=bit32.rshift
+ function utf.char(n)
+ if n<0x80 then
+ return char(n)
+ elseif n<0x800 then
+ return char(
+ 0xC0+rshift(n,6),
+ 0x80+(n%0x40)
+ )
+ elseif n<0x10000 then
+ return char(
+ 0xE0+rshift(n,12),
+ 0x80+(rshift(n,6)%0x40),
+ 0x80+(n%0x40)
+ )
+ elseif n<0x200000 then
+ return char(
+ 0xF0+rshift(n,18),
+ 0x80+(rshift(n,12)%0x40),
+ 0x80+(rshift(n,6)%0x40),
+ 0x80+(n%0x40)
+ )
+ else
+ return ""
+ end
+ end
+ else
+ local floor=math.floor
+ function utf.char(n)
+ if n<0x80 then
+ return char(n)
+ elseif n<0x800 then
+ return char(
+ 0xC0+floor(n/0x40),
+ 0x80+(n%0x40)
+ )
+ elseif n<0x10000 then
+ return char(
+ 0xE0+floor(n/0x1000),
+ 0x80+(floor(n/0x40)%0x40),
+ 0x80+(n%0x40)
+ )
+ elseif n<0x200000 then
+ return char(
+ 0xF0+floor(n/0x40000),
+ 0x80+(floor(n/0x1000)%0x40),
+ 0x80+(floor(n/0x40)%0x40),
+ 0x80+(n%0x40)
+ )
+ else
+ return ""
+ end
+ end
+ end
+ end
+end
+if not utf.byte then
+ utf.byte=string.utfvalue or (utf8 and utf8.codepoint)
+ if not utf.byte then
+ local utf8byte=patterns.utf8byte
+ function utf.byte(c)
+ return lpegmatch(utf8byte,c)
+ end
+ end
+end
+local utfchar,utfbyte=utf.char,utf.byte
+function utf.filetype(data)
+ return data and lpegmatch(p_utftype,data) or "unknown"
+end
+local toentities=Cs (
+ (
+ patterns.utf8one+(
+ patterns.utf8two+patterns.utf8three+patterns.utf8four
+ )/function(s) local b=utfbyte(s) if b<127 then return s else return format("&#%X;",b) end end
+ )^0
+)
+patterns.toentities=toentities
+function utf.toentities(str)
+ return lpegmatch(toentities,str)
+end
+local one=P(1)
+local two=C(1)*C(1)
+local four=C(R(utfchar(0xD8),utfchar(0xFF)))*C(1)*C(1)*C(1)
+local pattern=P("\254\255")*Cs((
+ four/function(a,b,c,d)
+ local ab=0xFF*byte(a)+byte(b)
+ local cd=0xFF*byte(c)+byte(d)
+ return utfchar((ab-0xD800)*0x400+(cd-0xDC00)+0x10000)
+ end+two/function(a,b)
+ return utfchar(byte(a)*256+byte(b))
+ end+one
+ )^1 )+P("\255\254")*Cs((
+ four/function(b,a,d,c)
+ local ab=0xFF*byte(a)+byte(b)
+ local cd=0xFF*byte(c)+byte(d)
+ return utfchar((ab-0xD800)*0x400+(cd-0xDC00)+0x10000)
+ end+two/function(b,a)
+ return utfchar(byte(a)*256+byte(b))
+ end+one
+ )^1 )
+function string.toutf(s)
+ return lpegmatch(pattern,s) or s
+end
+local validatedutf=Cs (
+ (
+ patterns.utf8one+patterns.utf8two+patterns.utf8three+patterns.utf8four+P(1)/"�"
+ )^0
+)
+patterns.validatedutf=validatedutf
+function utf.is_valid(str)
+ return type(str)=="string" and lpegmatch(validatedutf,str) or false
+end
+if not utf.len then
+ utf.len=string.utflength or (utf8 and utf8.len)
+ if not utf.len then
+ local n,f=0,1
+ local utfcharcounter=patterns.utfbom^-1*Cmt (
+ Cc(1)*patterns.utf8one^1+Cc(2)*patterns.utf8two^1+Cc(3)*patterns.utf8three^1+Cc(4)*patterns.utf8four^1,
+ function(_,t,d)
+ n=n+(t-f)/d
+ f=t
+ return true
+ end
+ )^0
+ function utf.len(str)
+ n,f=0,1
+ lpegmatch(utfcharcounter,str or "")
+ return n
+ end
+ end
+end
+utf.length=utf.len
+if not utf.sub then
+ local utflength=utf.length
+ local b,e,n,first,last=0,0,0,0,0
+ local function slide_zero(s,p)
+ n=n+1
+ if n>=last then
+ e=p-1
+ else
+ return p
+ end
+ end
+ local function slide_one(s,p)
+ n=n+1
+ if n==first then
+ b=p
+ end
+ if n>=last then
+ e=p-1
+ else
+ return p
+ end
+ end
+ local function slide_two(s,p)
+ n=n+1
+ if n==first then
+ b=p
+ else
+ return true
+ end
+ end
+ local pattern_zero=Cmt(p_utf8char,slide_zero)^0
+ local pattern_one=Cmt(p_utf8char,slide_one )^0
+ local pattern_two=Cmt(p_utf8char,slide_two )^0
+ local pattern_first=C(patterns.utf8character)
+ function utf.sub(str,start,stop)
+ if not start then
+ return str
+ end
+ if start==0 then
+ start=1
+ end
+ if not stop then
+ if start<0 then
+ local l=utflength(str)
+ start=l+start
+ else
+ start=start-1
+ end
+ b,n,first=0,0,start
+ lpegmatch(pattern_two,str)
+ if n>=first then
+ return sub(str,b)
+ else
+ return ""
+ end
+ end
+ if start<0 or stop<0 then
+ local l=utf.length(str)
+ if start<0 then
+ start=l+start
+ if start<=0 then
+ start=1
+ else
+ start=start+1
+ end
+ end
+ if stop<0 then
+ stop=l+stop
+ if stop==0 then
+ stop=1
+ else
+ stop=stop+1
+ end
+ end
+ end
+ if start==1 and stop==1 then
+ return lpegmatch(pattern_first,str) or ""
+ elseif start>stop then
+ return ""
+ elseif start>1 then
+ b,e,n,first,last=0,0,0,start-1,stop
+ lpegmatch(pattern_one,str)
+ if n>=first and e==0 then
+ e=#str
+ end
+ return sub(str,b,e)
+ else
+ b,e,n,last=1,0,0,stop
+ lpegmatch(pattern_zero,str)
+ if e==0 then
+ e=#str
+ end
+ return sub(str,b,e)
+ end
+ end
+end
+function utf.remapper(mapping,option,action)
+ local variant=type(mapping)
+ if variant=="table" then
+ action=action or mapping
+ if option=="dynamic" then
+ local pattern=false
+ table.setmetatablenewindex(mapping,function(t,k,v) rawset(t,k,v) pattern=false end)
+ return function(str)
+ if not str or str=="" then
+ return ""
+ else
+ if not pattern then
+ pattern=Cs((tabletopattern(mapping)/action+p_utf8char)^0)
+ end
+ return lpegmatch(pattern,str)
+ end
+ end
+ elseif option=="pattern" then
+ return Cs((tabletopattern(mapping)/action+p_utf8char)^0)
+ else
+ local pattern=Cs((tabletopattern(mapping)/action+p_utf8char)^0)
+ return function(str)
+ if not str or str=="" then
+ return ""
+ else
+ return lpegmatch(pattern,str)
+ end
+ end,pattern
+ end
+ elseif variant=="function" then
+ if option=="pattern" then
+ return Cs((p_utf8char/mapping+p_utf8char)^0)
+ else
+ local pattern=Cs((p_utf8char/mapping+p_utf8char)^0)
+ return function(str)
+ if not str or str=="" then
+ return ""
+ else
+ return lpegmatch(pattern,str)
+ end
+ end,pattern
+ end
+ else
+ return function(str)
+ return str or ""
+ end
+ end
+end
+function utf.replacer(t)
+ local r=replacer(t,false,false,true)
+ return function(str)
+ return lpegmatch(r,str)
+ end
+end
+function utf.subtituter(t)
+ local f=finder (t)
+ local r=replacer(t,false,false,true)
+ return function(str)
+ local i=lpegmatch(f,str)
+ if not i then
+ return str
+ elseif i>#str then
+ return str
+ else
+ return lpegmatch(r,str)
+ end
+ end
+end
+local utflinesplitter=p_utfbom^-1*lpeg.tsplitat(p_newline)
+local utfcharsplitter_ows=p_utfbom^-1*Ct(C(p_utf8char)^0)
+local utfcharsplitter_iws=p_utfbom^-1*Ct((p_whitespace^1+C(p_utf8char))^0)
+local utfcharsplitter_raw=Ct(C(p_utf8char)^0)
+patterns.utflinesplitter=utflinesplitter
+function utf.splitlines(str)
+ return lpegmatch(utflinesplitter,str or "")
+end
+function utf.split(str,ignorewhitespace)
+ if ignorewhitespace then
+ return lpegmatch(utfcharsplitter_iws,str or "")
+ else
+ return lpegmatch(utfcharsplitter_ows,str or "")
+ end
+end
+function utf.totable(str)
+ return lpegmatch(utfcharsplitter_raw,str)
+end
+function utf.magic(f)
+ local str=f:read(4) or ""
+ local off=lpegmatch(p_utfoffset,str)
+ if off<4 then
+ f:seek('set',off)
+ end
+ return lpegmatch(p_utftype,str)
+end
+local utf16_to_utf8_be,utf16_to_utf8_le
+local utf32_to_utf8_be,utf32_to_utf8_le
+local utf_16_be_getbom=patterns.utfbom_16_be^-1
+local utf_16_le_getbom=patterns.utfbom_16_le^-1
+local utf_32_be_getbom=patterns.utfbom_32_be^-1
+local utf_32_le_getbom=patterns.utfbom_32_le^-1
+local utf_16_be_linesplitter=utf_16_be_getbom*lpeg.tsplitat(patterns.utf_16_be_nl)
+local utf_16_le_linesplitter=utf_16_le_getbom*lpeg.tsplitat(patterns.utf_16_le_nl)
+local utf_32_be_linesplitter=utf_32_be_getbom*lpeg.tsplitat(patterns.utf_32_be_nl)
+local utf_32_le_linesplitter=utf_32_le_getbom*lpeg.tsplitat(patterns.utf_32_le_nl)
+local more=0
+local p_utf16_to_utf8_be=C(1)*C(1)/function(left,right)
+ local now=256*byte(left)+byte(right)
+ if more>0 then
+ now=(more-0xD800)*0x400+(now-0xDC00)+0x10000
+ more=0
+ return utfchar(now)
+ elseif now>=0xD800 and now<=0xDBFF then
+ more=now
+ return ""
+ else
+ return utfchar(now)
+ end
+end
+local p_utf16_to_utf8_le=C(1)*C(1)/function(right,left)
+ local now=256*byte(left)+byte(right)
+ if more>0 then
+ now=(more-0xD800)*0x400+(now-0xDC00)+0x10000
+ more=0
+ return utfchar(now)
+ elseif now>=0xD800 and now<=0xDBFF then
+ more=now
+ return ""
+ else
+ return utfchar(now)
+ end
+end
+local p_utf32_to_utf8_be=C(1)*C(1)*C(1)*C(1)/function(a,b,c,d)
+ return utfchar(256*256*256*byte(a)+256*256*byte(b)+256*byte(c)+byte(d))
+end
+local p_utf32_to_utf8_le=C(1)*C(1)*C(1)*C(1)/function(a,b,c,d)
+ return utfchar(256*256*256*byte(d)+256*256*byte(c)+256*byte(b)+byte(a))
+end
+p_utf16_to_utf8_be=P(true)/function() more=0 end*utf_16_be_getbom*Cs(p_utf16_to_utf8_be^0)
+p_utf16_to_utf8_le=P(true)/function() more=0 end*utf_16_le_getbom*Cs(p_utf16_to_utf8_le^0)
+p_utf32_to_utf8_be=P(true)/function() more=0 end*utf_32_be_getbom*Cs(p_utf32_to_utf8_be^0)
+p_utf32_to_utf8_le=P(true)/function() more=0 end*utf_32_le_getbom*Cs(p_utf32_to_utf8_le^0)
+patterns.utf16_to_utf8_be=p_utf16_to_utf8_be
+patterns.utf16_to_utf8_le=p_utf16_to_utf8_le
+patterns.utf32_to_utf8_be=p_utf32_to_utf8_be
+patterns.utf32_to_utf8_le=p_utf32_to_utf8_le
+utf16_to_utf8_be=function(s)
+ if s and s~="" then
+ return lpegmatch(p_utf16_to_utf8_be,s)
+ else
+ return s
+ end
+end
+local utf16_to_utf8_be_t=function(t)
+ if not t then
+ return nil
+ elseif type(t)=="string" then
+ t=lpegmatch(utf_16_be_linesplitter,t)
+ end
+ for i=1,#t do
+ local s=t[i]
+ if s~="" then
+ t[i]=lpegmatch(p_utf16_to_utf8_be,s)
+ end
+ end
+ return t
+end
+utf16_to_utf8_le=function(s)
+ if s and s~="" then
+ return lpegmatch(p_utf16_to_utf8_le,s)
+ else
+ return s
+ end
+end
+local utf16_to_utf8_le_t=function(t)
+ if not t then
+ return nil
+ elseif type(t)=="string" then
+ t=lpegmatch(utf_16_le_linesplitter,t)
+ end
+ for i=1,#t do
+ local s=t[i]
+ if s~="" then
+ t[i]=lpegmatch(p_utf16_to_utf8_le,s)
+ end
+ end
+ return t
+end
+utf32_to_utf8_be=function(s)
+ if s and s~="" then
+ return lpegmatch(p_utf32_to_utf8_be,s)
+ else
+ return s
+ end
+end
+local utf32_to_utf8_be_t=function(t)
+ if not t then
+ return nil
+ elseif type(t)=="string" then
+ t=lpegmatch(utf_32_be_linesplitter,t)
+ end
+ for i=1,#t do
+ local s=t[i]
+ if s~="" then
+ t[i]=lpegmatch(p_utf32_to_utf8_be,s)
+ end
+ end
+ return t
+end
+utf32_to_utf8_le=function(s)
+ if s and s~="" then
+ return lpegmatch(p_utf32_to_utf8_le,s)
+ else
+ return s
+ end
+end
+local utf32_to_utf8_le_t=function(t)
+ if not t then
+ return nil
+ elseif type(t)=="string" then
+ t=lpegmatch(utf_32_le_linesplitter,t)
+ end
+ for i=1,#t do
+ local s=t[i]
+ if s~="" then
+ t[i]=lpegmatch(p_utf32_to_utf8_le,s)
+ end
+ end
+ return t
+end
+utf.utf16_to_utf8_le_t=utf16_to_utf8_le_t
+utf.utf16_to_utf8_be_t=utf16_to_utf8_be_t
+utf.utf32_to_utf8_le_t=utf32_to_utf8_le_t
+utf.utf32_to_utf8_be_t=utf32_to_utf8_be_t
+utf.utf16_to_utf8_le=utf16_to_utf8_le
+utf.utf16_to_utf8_be=utf16_to_utf8_be
+utf.utf32_to_utf8_le=utf32_to_utf8_le
+utf.utf32_to_utf8_be=utf32_to_utf8_be
+function utf.utf8_to_utf8_t(t)
+ return type(t)=="string" and lpegmatch(utflinesplitter,t) or t
+end
+function utf.utf16_to_utf8_t(t,endian)
+ return endian and utf16_to_utf8_be_t(t) or utf16_to_utf8_le_t(t) or t
+end
+function utf.utf32_to_utf8_t(t,endian)
+ return endian and utf32_to_utf8_be_t(t) or utf32_to_utf8_le_t(t) or t
+end
+local function little(b)
+ if b<0x10000 then
+ return char(b%256,rshift(b,8))
+ else
+ b=b-0x10000
+ local b1=rshift(b,10)+0xD800
+ local b2=b%1024+0xDC00
+ return char(b1%256,rshift(b1,8),b2%256,rshift(b2,8))
+ end
+end
+local function big(b)
+ if b<0x10000 then
+ return char(rshift(b,8),b%256)
+ else
+ b=b-0x10000
+ local b1=rshift(b,10)+0xD800
+ local b2=b%1024+0xDC00
+ return char(rshift(b1,8),b1%256,rshift(b2,8),b2%256)
+ end
+end
+local l_remap=Cs((p_utf8byte/little+P(1)/"")^0)
+local b_remap=Cs((p_utf8byte/big+P(1)/"")^0)
+local function utf8_to_utf16_be(str,nobom)
+ if nobom then
+ return lpegmatch(b_remap,str)
+ else
+ return char(254,255)..lpegmatch(b_remap,str)
+ end
+end
+local function utf8_to_utf16_le(str,nobom)
+ if nobom then
+ return lpegmatch(l_remap,str)
+ else
+ return char(255,254)..lpegmatch(l_remap,str)
+ end
+end
+utf.utf8_to_utf16_be=utf8_to_utf16_be
+utf.utf8_to_utf16_le=utf8_to_utf16_le
+function utf.utf8_to_utf16(str,littleendian,nobom)
+ if littleendian then
+ return utf8_to_utf16_le(str,nobom)
+ else
+ return utf8_to_utf16_be(str,nobom)
+ end
+end
+local pattern=Cs (
+ (p_utf8byte/function(unicode ) return format("0x%04X",unicode) end)*(p_utf8byte*Carg(1)/function(unicode,separator) return format("%s0x%04X",separator,unicode) end)^0
+)
+function utf.tocodes(str,separator)
+ return lpegmatch(pattern,str,1,separator or " ")
+end
+function utf.ustring(s)
+ return format("U+%05X",type(s)=="number" and s or utfbyte(s))
+end
+function utf.xstring(s)
+ return format("0x%05X",type(s)=="number" and s or utfbyte(s))
+end
+function utf.toeight(str)
+ if not str or str=="" then
+ return nil
+ end
+ local utftype=lpegmatch(p_utfstricttype,str)
+ if utftype=="utf-8" then
+ return sub(str,4)
+ elseif utftype=="utf-16-be" then
+ return utf16_to_utf8_be(str)
+ elseif utftype=="utf-16-le" then
+ return utf16_to_utf8_le(str)
+ else
+ return str
+ end
+end
+local p_nany=p_utf8char/""
+if utfgmatch then
+ function utf.count(str,what)
+ if type(what)=="string" then
+ local n=0
+ for _ in utfgmatch(str,what) do
+ n=n+1
+ end
+ return n
+ else
+ return #lpegmatch(Cs((P(what)/" "+p_nany)^0),str)
+ end
+ end
+else
+ local cache={}
+ function utf.count(str,what)
+ if type(what)=="string" then
+ local p=cache[what]
+ if not p then
+ p=Cs((P(what)/" "+p_nany)^0)
+ cache[p]=p
+ end
+ return #lpegmatch(p,str)
+ else
+ return #lpegmatch(Cs((P(what)/" "+p_nany)^0),str)
+ end
+ end
+end
+if not utf.characters then
+ function utf.characters(str)
+ return gmatch(str,".[\128-\191]*")
+ end
+ string.utfcharacters=utf.characters
+end
+if not utf.values then
+ local find=string.find
+ local dummy=function()
+ end
+ function utf.values(str)
+ local n=#str
+ if n==0 then
+ return dummy
+ elseif n==1 then
+ return function() return utfbyte(str) end
+ else
+ local p=1
+ return function()
+ local b,e=find(str,".[\128-\191]*",p)
+ if b then
+ p=e+1
+ return utfbyte(sub(str,b,e))
+ end
+ end
+ end
+ end
+ string.utfvalues=utf.values
+end
+function utf.chrlen(u)
+ return
+ (u<0x80 and 1) or
+ (u<0xE0 and 2) or
+ (u<0xF0 and 3) or
+ (u<0xF8 and 4) or
+ (u<0xFC and 5) or
+ (u<0xFE and 6) or 0
+end
+if bit32 then
+ local extract=bit32.extract
+ local char=string.char
+ function unicode.toutf32string(n)
+ if n<=0xFF then
+ return
+ char(n).."\000\000\000"
+ elseif n<=0xFFFF then
+ return
+ char(extract(n,0,8))..char(extract(n,8,8)).."\000\000"
+ elseif n<=0xFFFFFF then
+ return
+ char(extract(n,0,8))..char(extract(n,8,8))..char(extract(n,16,8)).."\000"
+ else
+ return
+ char(extract(n,0,8))..char(extract(n,8,8))..char(extract(n,16,8))..char(extract(n,24,8))
+ end
+ end
+end
+local len=utf.len
+local rep=rep
+function string.utfpadd(s,n)
+ if n and n~=0 then
+ local l=len(s)
+ if n>0 then
+ local d=n-l
+ if d>0 then
+ return rep(c or " ",d)..s
+ end
+ else
+ local d=- n-l
+ if d>0 then
+ return s..rep(c or " ",d)
+ end
+ end
+ end
+ return s
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['util-str']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+utilities=utilities or {}
+utilities.strings=utilities.strings or {}
+local strings=utilities.strings
+local format,gsub,rep,sub,find=string.format,string.gsub,string.rep,string.sub,string.find
+local load,dump=load,string.dump
+local tonumber,type,tostring,next,setmetatable=tonumber,type,tostring,next,setmetatable
+local unpack,concat=table.unpack,table.concat
+local unpack,concat=table.unpack,table.concat
+local P,V,C,S,R,Ct,Cs,Cp,Carg,Cc=lpeg.P,lpeg.V,lpeg.C,lpeg.S,lpeg.R,lpeg.Ct,lpeg.Cs,lpeg.Cp,lpeg.Carg,lpeg.Cc
+local patterns,lpegmatch=lpeg.patterns,lpeg.match
+local utfchar,utfbyte,utflen=utf.char,utf.byte,utf.len
+local loadstripped=nil
+local oldfashioned=LUAVERSION<5.2
+if oldfashioned then
+ loadstripped=function(str,shortcuts)
+ return load(str)
+ end
+else
+ loadstripped=function(str,shortcuts)
+ if shortcuts then
+ return load(dump(load(str),true),nil,nil,shortcuts)
+ else
+ return load(dump(load(str),true))
+ end
+ end
+end
+if not number then number={} end
+local stripzero=patterns.stripzero
+local stripzeros=patterns.stripzeros
+local newline=patterns.newline
+local endofstring=patterns.endofstring
+local whitespace=patterns.whitespace
+local spacer=patterns.spacer
+local spaceortab=patterns.spaceortab
+local ptf=1/65536
+local bpf=(7200/7227)/65536
+local function points(n)
+ if n==0 then
+ return "0pt"
+ end
+ n=tonumber(n)
+ if not n or n==0 then
+ return "0pt"
+ end
+ n=n*ptf
+ if n%1==0 then
+ return format("%ipt",n)
+ end
+ return lpegmatch(stripzeros,format("%.5fpt",n))
+end
+local function basepoints(n)
+ if n==0 then
+ return "0pt"
+ end
+ n=tonumber(n)
+ if not n or n==0 then
+ return "0pt"
+ end
+ n=n*bpf
+ if n%1==0 then
+ return format("%ibp",n)
+ end
+ return lpegmatch(stripzeros,format("%.5fbp",n))
+end
+number.points=points
+number.basepoints=basepoints
+local rubish=spaceortab^0*newline
+local anyrubish=spaceortab+newline
+local anything=patterns.anything
+local stripped=(spaceortab^1/"")*newline
+local leading=rubish^0/""
+local trailing=(anyrubish^1*endofstring)/""
+local redundant=rubish^3/"\n"
+local pattern=Cs(leading*(trailing+redundant+stripped+anything)^0)
+function strings.collapsecrlf(str)
+ return lpegmatch(pattern,str)
+end
+local repeaters={}
+function strings.newrepeater(str,offset)
+ offset=offset or 0
+ local s=repeaters[str]
+ if not s then
+ s={}
+ repeaters[str]=s
+ end
+ local t=s[offset]
+ if t then
+ return t
+ end
+ t={}
+ setmetatable(t,{ __index=function(t,k)
+ if not k then
+ return ""
+ end
+ local n=k+offset
+ local s=n>0 and rep(str,n) or ""
+ t[k]=s
+ return s
+ end })
+ s[offset]=t
+ return t
+end
+local extra,tab,start=0,0,4,0
+local nspaces=strings.newrepeater(" ")
+string.nspaces=nspaces
+local pattern=Carg(1)/function(t)
+ extra,tab,start=0,t or 7,1
+ end*Cs((
+ Cp()*patterns.tab/function(position)
+ local current=(position-start+1)+extra
+ local spaces=tab-(current-1)%tab
+ if spaces>0 then
+ extra=extra+spaces-1
+ return nspaces[spaces]
+ else
+ return ""
+ end
+ end+newline*Cp()/function(position)
+ extra,start=0,position
+ end+patterns.anything
+ )^1)
+function strings.tabtospace(str,tab)
+ return lpegmatch(pattern,str,1,tab or 7)
+end
+function string.utfpadding(s,n)
+ if not n or n==0 then
+ return ""
+ end
+ local l=utflen(s)
+ if n>0 then
+ return nspaces[n-l]
+ else
+ return nspaces[-n-l]
+ end
+end
+local space=spacer^0
+local nospace=space/""
+local endofline=nospace*newline
+local stripend=(whitespace^1*endofstring)/""
+local normalline=(nospace*((1-space*(newline+endofstring))^1)*nospace)
+local stripempty=endofline^1/""
+local normalempty=endofline^1
+local singleempty=endofline*(endofline^0/"")
+local doubleempty=endofline*endofline^-1*(endofline^0/"")
+local stripstart=stripempty^0
+local p_prune_normal=Cs (stripstart*(stripend+normalline+normalempty )^0 )
+local p_prune_collapse=Cs (stripstart*(stripend+normalline+doubleempty )^0 )
+local p_prune_noempty=Cs (stripstart*(stripend+normalline+singleempty )^0 )
+local p_retain_normal=Cs ((normalline+normalempty )^0 )
+local p_retain_collapse=Cs ((normalline+doubleempty )^0 )
+local p_retain_noempty=Cs ((normalline+singleempty )^0 )
+local striplinepatterns={
+ ["prune"]=p_prune_normal,
+ ["prune and collapse"]=p_prune_collapse,
+ ["prune and no empty"]=p_prune_noempty,
+ ["retain"]=p_retain_normal,
+ ["retain and collapse"]=p_retain_collapse,
+ ["retain and no empty"]=p_retain_noempty,
+ ["collapse"]=patterns.collapser,
+}
+setmetatable(striplinepatterns,{ __index=function(t,k) return p_prune_collapse end })
+strings.striplinepatterns=striplinepatterns
+function strings.striplines(str,how)
+ return str and lpegmatch(striplinepatterns[how],str) or str
+end
+strings.striplong=strings.striplines
+function strings.nice(str)
+ str=gsub(str,"[:%-+_]+"," ")
+ return str
+end
+local n=0
+local sequenced=table.sequenced
+function string.autodouble(s,sep)
+ if s==nil then
+ return '""'
+ end
+ local t=type(s)
+ if t=="number" then
+ return tostring(s)
+ end
+ if t=="table" then
+ return ('"'..sequenced(s,sep or ",")..'"')
+ end
+ return ('"'..tostring(s)..'"')
+end
+function string.autosingle(s,sep)
+ if s==nil then
+ return "''"
+ end
+ local t=type(s)
+ if t=="number" then
+ return tostring(s)
+ end
+ if t=="table" then
+ return ("'"..sequenced(s,sep or ",").."'")
+ end
+ return ("'"..tostring(s).."'")
+end
+local tracedchars={ [0]=
+ "[null]","[soh]","[stx]","[etx]","[eot]","[enq]","[ack]","[bel]",
+ "[bs]","[ht]","[lf]","[vt]","[ff]","[cr]","[so]","[si]",
+ "[dle]","[dc1]","[dc2]","[dc3]","[dc4]","[nak]","[syn]","[etb]",
+ "[can]","[em]","[sub]","[esc]","[fs]","[gs]","[rs]","[us]",
+ "[space]",
+}
+string.tracedchars=tracedchars
+strings.tracers=tracedchars
+function string.tracedchar(b)
+ if type(b)=="number" then
+ return tracedchars[b] or (utfchar(b).." (U+"..format("%05X",b)..")")
+ else
+ local c=utfbyte(b)
+ return tracedchars[c] or (b.." (U+"..(c and format("%05X",c) or "?????")..")")
+ end
+end
+function number.signed(i)
+ if i>0 then
+ return "+",i
+ else
+ return "-",-i
+ end
+end
+local digit=patterns.digit
+local period=patterns.period
+local two=digit*digit
+local three=two*digit
+local prefix=(Carg(1)*three)^1
+local splitter=Cs (
+ (((1-(three^1*period))^1+C(three))*prefix+C((1-period)^1))*(P(1)/""*Carg(2))*C(2)
+)
+local splitter3=Cs (
+ three*prefix*P(-1)+two*prefix*P(-1)+digit*prefix*P(-1)+three+two+digit
+)
+patterns.formattednumber=splitter
+function number.formatted(n,sep1,sep2)
+ if sep1==false then
+ if type(n)=="number" then
+ n=tostring(n)
+ end
+ return lpegmatch(splitter3,n,1,sep2 or ".")
+ else
+ if type(n)=="number" then
+ n=format("%0.2f",n)
+ end
+ if sep1==true then
+ return lpegmatch(splitter,n,1,".",",")
+ elseif sep1=="." then
+ return lpegmatch(splitter,n,1,sep1,sep2 or ",")
+ elseif sep1=="," then
+ return lpegmatch(splitter,n,1,sep1,sep2 or ".")
+ else
+ return lpegmatch(splitter,n,1,sep1 or ",",sep2 or ".")
+ end
+ end
+end
+local p=Cs(
+ P("-")^0*(P("0")^1/"")^0*(1-P("."))^0*(P(".")*P("0")^1*P(-1)/""+P(".")^0)*P(1-P("0")^1*P(-1))^0
+ )
+function number.compactfloat(n,fmt)
+ if n==0 then
+ return "0"
+ elseif n==1 then
+ return "1"
+ end
+ n=lpegmatch(p,format(fmt or "%0.3f",n))
+ if n=="." or n=="" or n=="-" then
+ return "0"
+ end
+ return n
+end
+local zero=P("0")^1/""
+local plus=P("+")/""
+local minus=P("-")
+local separator=S(".")
+local digit=R("09")
+local trailing=zero^1*#S("eE")
+local exponent=(S("eE")*(plus+Cs((minus*zero^0*P(-1))/"")+minus)*zero^0*(P(-1)*Cc("0")+P(1)^1))
+local pattern_a=Cs(minus^0*digit^1*(separator/""*trailing+separator*(trailing+digit)^0)*exponent)
+local pattern_b=Cs((exponent+P(1))^0)
+function number.sparseexponent(f,n)
+ if not n then
+ n=f
+ f="%e"
+ end
+ local tn=type(n)
+ if tn=="string" then
+ local m=tonumber(n)
+ if m then
+ return lpegmatch((f=="%e" or f=="%E") and pattern_a or pattern_b,format(f,m))
+ end
+ elseif tn=="number" then
+ return lpegmatch((f=="%e" or f=="%E") and pattern_a or pattern_b,format(f,n))
+ end
+ return tostring(n)
+end
+local hf={}
+local hs={}
+setmetatable(hf,{ __index=function(t,k)
+ local v="%."..k.."f"
+ t[k]=v
+ return v
+end } )
+setmetatable(hs,{ __index=function(t,k)
+ local v="%"..k.."s"
+ t[k]=v
+ return v
+end } )
+function number.formattedfloat(n,b,a)
+ local s=format(hf[a],n)
+ local l=(b or 0)+(a or 0)+1
+ if #s<l then
+ return format(hs[l],s)
+ else
+ return s
+ end
+end
+local template=[[
+%s
+%s
+return function(%s) return %s end
+]]
+local preamble,environment="",{}
+if oldfashioned then
+ preamble=[[
+local lpeg=lpeg
+local type=type
+local tostring=tostring
+local tonumber=tonumber
+local format=string.format
+local concat=table.concat
+local signed=number.signed
+local points=number.points
+local basepoints= number.basepoints
+local utfchar=utf.char
+local utfbyte=utf.byte
+local lpegmatch=lpeg.match
+local nspaces=string.nspaces
+local utfpadding=string.utfpadding
+local tracedchar=string.tracedchar
+local autosingle=string.autosingle
+local autodouble=string.autodouble
+local sequenced=table.sequenced
+local formattednumber=number.formatted
+local sparseexponent=number.sparseexponent
+local formattedfloat=number.formattedfloat
+local stripzero=lpeg.patterns.stripzero
+local stripzeros=lpeg.patterns.stripzeros
+ ]]
+else
+ environment={
+ global=global or _G,
+ lpeg=lpeg,
+ type=type,
+ tostring=tostring,
+ tonumber=tonumber,
+ format=string.format,
+ concat=table.concat,
+ signed=number.signed,
+ points=number.points,
+ basepoints=number.basepoints,
+ utfchar=utf.char,
+ utfbyte=utf.byte,
+ lpegmatch=lpeg.match,
+ nspaces=string.nspaces,
+ utfpadding=string.utfpadding,
+ tracedchar=string.tracedchar,
+ autosingle=string.autosingle,
+ autodouble=string.autodouble,
+ sequenced=table.sequenced,
+ formattednumber=number.formatted,
+ sparseexponent=number.sparseexponent,
+ formattedfloat=number.formattedfloat,
+ stripzero=lpeg.patterns.stripzero,
+ stripzeros=lpeg.patterns.stripzeros,
+ }
+end
+local arguments={ "a1" }
+setmetatable(arguments,{ __index=function(t,k)
+ local v=t[k-1]..",a"..k
+ t[k]=v
+ return v
+ end
+})
+local prefix_any=C((S("+- .")+R("09"))^0)
+local prefix_sub=(C((S("+-")+R("09"))^0)+Cc(0))*P(".")*(C((S("+-")+R("09"))^0)+Cc(0))
+local prefix_tab=P("{")*C((1-P("}"))^0)*P("}")+C((1-R("az","AZ","09","%%"))^0)
+local format_s=function(f)
+ n=n+1
+ if f and f~="" then
+ return format("format('%%%ss',a%s)",f,n)
+ else
+ return format("(a%s or '')",n)
+ end
+end
+local format_S=function(f)
+ n=n+1
+ if f and f~="" then
+ return format("format('%%%ss',tostring(a%s))",f,n)
+ else
+ return format("tostring(a%s)",n)
+ end
+end
+local format_right=function(f)
+ n=n+1
+ f=tonumber(f)
+ if not f or f==0 then
+ return format("(a%s or '')",n)
+ elseif f>0 then
+ return format("utfpadding(a%s,%i)..a%s",n,f,n)
+ else
+ return format("a%s..utfpadding(a%s,%i)",n,n,f)
+ end
+end
+local format_left=function(f)
+ n=n+1
+ f=tonumber(f)
+ if not f or f==0 then
+ return format("(a%s or '')",n)
+ end
+ if f<0 then
+ return format("utfpadding(a%s,%i)..a%s",n,-f,n)
+ else
+ return format("a%s..utfpadding(a%s,%i)",n,n,-f)
+ end
+end
+local format_q=function()
+ n=n+1
+ return format("(a%s ~= nil and format('%%q',tostring(a%s)) or '')",n,n)
+end
+local format_Q=function()
+ n=n+1
+ return format("format('%%q',tostring(a%s))",n)
+end
+local format_i=function(f)
+ n=n+1
+ if f and f~="" then
+ return format("format('%%%si',a%s)",f,n)
+ else
+ return format("format('%%i',a%s)",n)
+ end
+end
+local format_d=format_i
+local format_I=function(f)
+ n=n+1
+ return format("format('%%s%%%si',signed(a%s))",f,n)
+end
+local format_f=function(f)
+ n=n+1
+ return format("format('%%%sf',a%s)",f,n)
+end
+local format_F=function(f)
+ n=n+1
+ if not f or f=="" then
+ return format("(((a%s > -0.0000000005 and a%s < 0.0000000005) and '0') or format((a%s %% 1 == 0) and '%%i' or '%%.9f',a%s))",n,n,n,n)
+ else
+ return format("format((a%s %% 1 == 0) and '%%i' or '%%%sf',a%s)",n,f,n)
+ end
+end
+local format_k=function(b,a)
+ n=n+1
+ return format("formattedfloat(a%s,%i,%i)",n,b or 0,a or 0)
+end
+local format_g=function(f)
+ n=n+1
+ return format("format('%%%sg',a%s)",f,n)
+end
+local format_G=function(f)
+ n=n+1
+ return format("format('%%%sG',a%s)",f,n)
+end
+local format_e=function(f)
+ n=n+1
+ return format("format('%%%se',a%s)",f,n)
+end
+local format_E=function(f)
+ n=n+1
+ return format("format('%%%sE',a%s)",f,n)
+end
+local format_j=function(f)
+ n=n+1
+ return format("sparseexponent('%%%se',a%s)",f,n)
+end
+local format_J=function(f)
+ n=n+1
+ return format("sparseexponent('%%%sE',a%s)",f,n)
+end
+local format_x=function(f)
+ n=n+1
+ return format("format('%%%sx',a%s)",f,n)
+end
+local format_X=function(f)
+ n=n+1
+ return format("format('%%%sX',a%s)",f,n)
+end
+local format_o=function(f)
+ n=n+1
+ return format("format('%%%so',a%s)",f,n)
+end
+local format_c=function()
+ n=n+1
+ return format("utfchar(a%s)",n)
+end
+local format_C=function()
+ n=n+1
+ return format("tracedchar(a%s)",n)
+end
+local format_r=function(f)
+ n=n+1
+ return format("format('%%%s.0f',a%s)",f,n)
+end
+local format_h=function(f)
+ n=n+1
+ if f=="-" then
+ f=sub(f,2)
+ return format("format('%%%sx',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
+ else
+ return format("format('0x%%%sx',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
+ end
+end
+local format_H=function(f)
+ n=n+1
+ if f=="-" then
+ f=sub(f,2)
+ return format("format('%%%sX',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
+ else
+ return format("format('0x%%%sX',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
+ end
+end
+local format_u=function(f)
+ n=n+1
+ if f=="-" then
+ f=sub(f,2)
+ return format("format('%%%sx',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
+ else
+ return format("format('u+%%%sx',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
+ end
+end
+local format_U=function(f)
+ n=n+1
+ if f=="-" then
+ f=sub(f,2)
+ return format("format('%%%sX',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
+ else
+ return format("format('U+%%%sX',type(a%s) == 'number' and a%s or utfbyte(a%s))",f=="" and "05" or f,n,n,n)
+ end
+end
+local format_p=function()
+ n=n+1
+ return format("points(a%s)",n)
+end
+local format_b=function()
+ n=n+1
+ return format("basepoints(a%s)",n)
+end
+local format_t=function(f)
+ n=n+1
+ if f and f~="" then
+ return format("concat(a%s,%q)",n,f)
+ else
+ return format("concat(a%s)",n)
+ end
+end
+local format_T=function(f)
+ n=n+1
+ if f and f~="" then
+ return format("sequenced(a%s,%q)",n,f)
+ else
+ return format("sequenced(a%s)",n)
+ end
+end
+local format_l=function()
+ n=n+1
+ return format("(a%s and 'true' or 'false')",n)
+end
+local format_L=function()
+ n=n+1
+ return format("(a%s and 'TRUE' or 'FALSE')",n)
+end
+local format_n=function()
+ n=n+1
+ return format("((a%s %% 1 == 0) and format('%%i',a%s) or tostring(a%s))",n,n,n)
+end
+local format_N=function(f)
+ n=n+1
+ if not f or f=="" then
+ return format("(((a%s > -0.0000000005 and a%s < 0.0000000005) and '0') or ((a%s %% 1 == 0) and format('%%i',a%s)) or lpegmatch(stripzero,format('%%.9f',a%s)))",n,n,n,n,n)
+ else
+ return format("(((a%s %% 1 == 0) and format('%%i',a%s)) or lpegmatch(stripzero,format('%%%sf',a%s)))",n,n,f,n)
+ end
+end
+local format_a=function(f)
+ n=n+1
+ if f and f~="" then
+ return format("autosingle(a%s,%q)",n,f)
+ else
+ return format("autosingle(a%s)",n)
+ end
+end
+local format_A=function(f)
+ n=n+1
+ if f and f~="" then
+ return format("autodouble(a%s,%q)",n,f)
+ else
+ return format("autodouble(a%s)",n)
+ end
+end
+local format_w=function(f)
+ n=n+1
+ f=tonumber(f)
+ if f then
+ return format("nspaces[%s+a%s]",f,n)
+ else
+ return format("nspaces[a%s]",n)
+ end
+end
+local format_W=function(f)
+ return format("nspaces[%s]",tonumber(f) or 0)
+end
+local format_m=function(f)
+ n=n+1
+ if not f or f=="" then
+ f=","
+ end
+ if f=="0" then
+ return format([[formattednumber(a%s,false)]],n)
+ else
+ return format([[formattednumber(a%s,%q,".")]],n,f)
+ end
+end
+local format_M=function(f)
+ n=n+1
+ if not f or f=="" then
+ f="."
+ end
+ if f=="0" then
+ return format([[formattednumber(a%s,false)]],n)
+ else
+ return format([[formattednumber(a%s,%q,",")]],n,f)
+ end
+end
+local format_z=function(f)
+ n=n+(tonumber(f) or 1)
+ return "''"
+end
+local format_rest=function(s)
+ return format("%q",s)
+end
+local format_extension=function(extensions,f,name)
+ local extension=extensions[name] or "tostring(%s)"
+ local f=tonumber(f) or 1
+ local w=find(extension,"%.%.%.")
+ if f==0 then
+ if w then
+ extension=gsub(extension,"%.%.%.","")
+ end
+ return extension
+ elseif f==1 then
+ if w then
+ extension=gsub(extension,"%.%.%.","%%s")
+ end
+ n=n+1
+ local a="a"..n
+ return format(extension,a,a)
+ elseif f<0 then
+ local a="a"..(n+f+1)
+ return format(extension,a,a)
+ else
+ if w then
+ extension=gsub(extension,"%.%.%.",rep("%%s,",f-1).."%%s")
+ end
+ local t={}
+ for i=1,f do
+ n=n+1
+ t[i]="a"..n
+ end
+ return format(extension,unpack(t))
+ end
+end
+local builder=Cs { "start",
+ start=(
+ (
+ P("%")/""*(
+ V("!")
++V("s")+V("q")+V("i")+V("d")+V("f")+V("F")+V("g")+V("G")+V("e")+V("E")+V("x")+V("X")+V("o")
++V("c")+V("C")+V("S")
++V("Q")
++V("n")
++V("N")
++V("k")
++V("r")+V("h")+V("H")+V("u")+V("U")+V("p")+V("b")+V("t")+V("T")+V("l")+V("L")+V("I")+V("w")
++V("W")
++V("a")
++V("A")
++V("j")+V("J")
++V("m")+V("M")
++V("z")
++V(">")
++V("<")
+ )+V("*")
+ )*(P(-1)+Carg(1))
+ )^0,
+ ["s"]=(prefix_any*P("s"))/format_s,
+ ["q"]=(prefix_any*P("q"))/format_q,
+ ["i"]=(prefix_any*P("i"))/format_i,
+ ["d"]=(prefix_any*P("d"))/format_d,
+ ["f"]=(prefix_any*P("f"))/format_f,
+ ["F"]=(prefix_any*P("F"))/format_F,
+ ["g"]=(prefix_any*P("g"))/format_g,
+ ["G"]=(prefix_any*P("G"))/format_G,
+ ["e"]=(prefix_any*P("e"))/format_e,
+ ["E"]=(prefix_any*P("E"))/format_E,
+ ["x"]=(prefix_any*P("x"))/format_x,
+ ["X"]=(prefix_any*P("X"))/format_X,
+ ["o"]=(prefix_any*P("o"))/format_o,
+ ["S"]=(prefix_any*P("S"))/format_S,
+ ["Q"]=(prefix_any*P("Q"))/format_Q,
+ ["n"]=(prefix_any*P("n"))/format_n,
+ ["N"]=(prefix_any*P("N"))/format_N,
+ ["k"]=(prefix_sub*P("k"))/format_k,
+ ["c"]=(prefix_any*P("c"))/format_c,
+ ["C"]=(prefix_any*P("C"))/format_C,
+ ["r"]=(prefix_any*P("r"))/format_r,
+ ["h"]=(prefix_any*P("h"))/format_h,
+ ["H"]=(prefix_any*P("H"))/format_H,
+ ["u"]=(prefix_any*P("u"))/format_u,
+ ["U"]=(prefix_any*P("U"))/format_U,
+ ["p"]=(prefix_any*P("p"))/format_p,
+ ["b"]=(prefix_any*P("b"))/format_b,
+ ["t"]=(prefix_tab*P("t"))/format_t,
+ ["T"]=(prefix_tab*P("T"))/format_T,
+ ["l"]=(prefix_any*P("l"))/format_l,
+ ["L"]=(prefix_any*P("L"))/format_L,
+ ["I"]=(prefix_any*P("I"))/format_I,
+ ["w"]=(prefix_any*P("w"))/format_w,
+ ["W"]=(prefix_any*P("W"))/format_W,
+ ["j"]=(prefix_any*P("j"))/format_j,
+ ["J"]=(prefix_any*P("J"))/format_J,
+ ["m"]=(prefix_any*P("m"))/format_m,
+ ["M"]=(prefix_any*P("M"))/format_M,
+ ["z"]=(prefix_any*P("z"))/format_z,
+ ["a"]=(prefix_any*P("a"))/format_a,
+ ["A"]=(prefix_any*P("A"))/format_A,
+ ["<"]=(prefix_any*P("<"))/format_left,
+ [">"]=(prefix_any*P(">"))/format_right,
+ ["*"]=Cs(((1-P("%"))^1+P("%%")/"%%")^1)/format_rest,
+ ["?"]=Cs(((1-P("%"))^1 )^1)/format_rest,
+ ["!"]=Carg(2)*prefix_any*P("!")*C((1-P("!"))^1)*P("!")/format_extension,
+}
+local xx=setmetatable({},{ __index=function(t,k) local v=format("%02x",k) t[k]=v return v end })
+local XX=setmetatable({},{ __index=function(t,k) local v=format("%02X",k) t[k]=v return v end })
+local preset={
+ ["%02x"]=function(n) return xx[n] end,
+ ["%02X"]=function(n) return XX[n] end,
+}
+local direct=P("%")*(S("+- .")+R("09"))^0*S("sqidfgGeExXo")*P(-1)/[[local format = string.format return function(str) return format("%0",str) end]]
+local function make(t,str)
+ local f=preset[str]
+ if f then
+ return f
+ end
+ local p=lpegmatch(direct,str)
+ if p then
+ f=loadstripped(p)()
+ else
+ n=0
+ p=lpegmatch(builder,str,1,t._connector_,t._extensions_)
+ if n>0 then
+ p=format(template,preamble,t._preamble_,arguments[n],p)
+ f=loadstripped(p,t._environment_)()
+ else
+ f=function() return str end
+ end
+ end
+ t[str]=f
+ return f
+end
+local function use(t,fmt,...)
+ return t[fmt](...)
+end
+strings.formatters={}
+if oldfashioned then
+ function strings.formatters.new(noconcat)
+ local t={ _type_="formatter",_connector_=noconcat and "," or "..",_extensions_={},_preamble_=preamble,_environment_={} }
+ setmetatable(t,{ __index=make,__call=use })
+ return t
+ end
+else
+ function strings.formatters.new(noconcat)
+ local e={}
+ for k,v in next,environment do
+ e[k]=v
+ end
+ local t={ _type_="formatter",_connector_=noconcat and "," or "..",_extensions_={},_preamble_="",_environment_=e }
+ setmetatable(t,{ __index=make,__call=use })
+ return t
+ end
+end
+local formatters=strings.formatters.new()
+string.formatters=formatters
+string.formatter=function(str,...) return formatters[str](...) end
+local function add(t,name,template,preamble)
+ if type(t)=="table" and t._type_=="formatter" then
+ t._extensions_[name]=template or "%s"
+ if type(preamble)=="string" then
+ t._preamble_=preamble.."\n"..t._preamble_
+ elseif type(preamble)=="table" then
+ for k,v in next,preamble do
+ t._environment_[k]=v
+ end
+ end
+ end
+end
+strings.formatters.add=add
+patterns.xmlescape=Cs((P("<")/"&lt;"+P(">")/"&gt;"+P("&")/"&amp;"+P('"')/"&quot;"+P(1))^0)
+patterns.texescape=Cs((C(S("#$%\\{}"))/"\\%1"+P(1))^0)
+patterns.luaescape=Cs(((1-S('"\n'))^1+P('"')/'\\"'+P('\n')/'\\n"')^0)
+patterns.luaquoted=Cs(Cc('"')*((1-S('"\n'))^1+P('"')/'\\"'+P('\n')/'\\n"')^0*Cc('"'))
+if oldfashioned then
+ add(formatters,"xml",[[lpegmatch(xmlescape,%s)]],"local xmlescape = lpeg.patterns.xmlescape")
+ add(formatters,"tex",[[lpegmatch(texescape,%s)]],"local texescape = lpeg.patterns.texescape")
+ add(formatters,"lua",[[lpegmatch(luaescape,%s)]],"local luaescape = lpeg.patterns.luaescape")
+else
+ add(formatters,"xml",[[lpegmatch(xmlescape,%s)]],{ xmlescape=lpeg.patterns.xmlescape })
+ add(formatters,"tex",[[lpegmatch(texescape,%s)]],{ texescape=lpeg.patterns.texescape })
+ add(formatters,"lua",[[lpegmatch(luaescape,%s)]],{ luaescape=lpeg.patterns.luaescape })
+end
+local dquote=patterns.dquote
+local equote=patterns.escaped+dquote/'\\"'+1
+local space=patterns.space
+local cquote=Cc('"')
+local pattern=Cs(dquote*(equote-P(-2))^0*dquote)
++Cs(cquote*(equote-space)^0*space*equote^0*cquote)
+function string.optionalquoted(str)
+ return lpegmatch(pattern,str) or str
+end
+local pattern=Cs((newline/(os.newline or "\r")+1)^0)
+function string.replacenewlines(str)
+ return lpegmatch(pattern,str)
+end
+function strings.newcollector()
+ local result,r={},0
+ return
+ function(fmt,str,...)
+ r=r+1
+ result[r]=str==nil and fmt or formatters[fmt](str,...)
+ end,
+ function(connector)
+ if result then
+ local str=concat(result,connector)
+ result,r={},0
+ return str
+ end
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['util-fil']={
+ version=1.001,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local byte=string.byte
+local char=string.char
+utilities=utilities or {}
+local files={}
+utilities.files=files
+local zerobased={}
+function files.open(filename,zb)
+ local f=io.open(filename,"rb")
+ if f then
+ zerobased[f]=zb or false
+ end
+ return f
+end
+function files.close(f)
+ zerobased[f]=nil
+ f:close()
+end
+function files.size(f)
+ local current=f:seek()
+ local size=f:seek("end")
+ f:seek("set",current)
+ return size
+end
+files.getsize=files.size
+function files.setposition(f,n)
+ if zerobased[f] then
+ f:seek("set",n)
+ else
+ f:seek("set",n-1)
+ end
+end
+function files.getposition(f)
+ if zerobased[f] then
+ return f:seek()
+ else
+ return f:seek()+1
+ end
+end
+function files.look(f,n,chars)
+ local p=f:seek()
+ local s=f:read(n)
+ f:seek("set",p)
+ if chars then
+ return s
+ else
+ return byte(s,1,#s)
+ end
+end
+function files.skip(f,n)
+ if n==1 then
+ f:read(n)
+ else
+ f:seek("set",f:seek()+n)
+ end
+end
+function files.readbyte(f)
+ return byte(f:read(1))
+end
+function files.readbytes(f,n)
+ return byte(f:read(n),1,n)
+end
+function files.readbytetable(f,n)
+ local s=f:read(n or 1)
+ return { byte(s,1,#s) }
+end
+function files.readchar(f)
+ return f:read(1)
+end
+function files.readstring(f,n)
+ return f:read(n or 1)
+end
+function files.readinteger1(f)
+ local n=byte(f:read(1))
+ if n>=0x80 then
+ return n-0x100
+ else
+ return n
+ end
+end
+files.readcardinal1=files.readbyte
+files.readcardinal=files.readcardinal1
+files.readinteger=files.readinteger1
+files.readsignedbyte=files.readinteger1
+function files.readcardinal2(f)
+ local a,b=byte(f:read(2),1,2)
+ return 0x100*a+b
+end
+function files.readcardinal2le(f)
+ local b,a=byte(f:read(2),1,2)
+ return 0x100*a+b
+end
+function files.readinteger2(f)
+ local a,b=byte(f:read(2),1,2)
+ if a>=0x80 then
+ return 0x100*a+b-0x10000
+ else
+ return 0x100*a+b
+ end
+end
+function files.readinteger2le(f)
+ local b,a=byte(f:read(2),1,2)
+ if a>=0x80 then
+ return 0x100*a+b-0x10000
+ else
+ return 0x100*a+b
+ end
+end
+function files.readcardinal3(f)
+ local a,b,c=byte(f:read(3),1,3)
+ return 0x10000*a+0x100*b+c
+end
+function files.readcardinal3le(f)
+ local c,b,a=byte(f:read(3),1,3)
+ return 0x10000*a+0x100*b+c
+end
+function files.readinteger3(f)
+ local a,b,c=byte(f:read(3),1,3)
+ if a>=0x80 then
+ return 0x10000*a+0x100*b+c-0x1000000
+ else
+ return 0x10000*a+0x100*b+c
+ end
+end
+function files.readinteger3le(f)
+ local c,b,a=byte(f:read(3),1,3)
+ if a>=0x80 then
+ return 0x10000*a+0x100*b+c-0x1000000
+ else
+ return 0x10000*a+0x100*b+c
+ end
+end
+function files.readcardinal4(f)
+ local a,b,c,d=byte(f:read(4),1,4)
+ return 0x1000000*a+0x10000*b+0x100*c+d
+end
+function files.readcardinal4le(f)
+ local d,c,b,a=byte(f:read(4),1,4)
+ return 0x1000000*a+0x10000*b+0x100*c+d
+end
+function files.readinteger4(f)
+ local a,b,c,d=byte(f:read(4),1,4)
+ if a>=0x80 then
+ return 0x1000000*a+0x10000*b+0x100*c+d-0x100000000
+ else
+ return 0x1000000*a+0x10000*b+0x100*c+d
+ end
+end
+function files.readinteger4le(f)
+ local d,c,b,a=byte(f:read(4),1,4)
+ if a>=0x80 then
+ return 0x1000000*a+0x10000*b+0x100*c+d-0x100000000
+ else
+ return 0x1000000*a+0x10000*b+0x100*c+d
+ end
+end
+function files.readfixed2(f)
+ local a,b=byte(f:read(2),1,2)
+ if a>=0x80 then
+ return (a-0x100)+b/0x100
+ else
+ return (a )+b/0x100
+ end
+end
+function files.readfixed4(f)
+ local a,b,c,d=byte(f:read(4),1,4)
+ if a>=0x80 then
+ return (0x100*a+b-0x10000)+(0x100*c+d)/0x10000
+ else
+ return (0x100*a+b )+(0x100*c+d)/0x10000
+ end
+end
+if bit32 then
+ local extract=bit32.extract
+ local band=bit32.band
+ function files.read2dot14(f)
+ local a,b=byte(f:read(2),1,2)
+ if a>=0x80 then
+ local n=-(0x100*a+b)
+ return-(extract(n,14,2)+(band(n,0x3FFF)/16384.0))
+ else
+ local n=0x100*a+b
+ return (extract(n,14,2)+(band(n,0x3FFF)/16384.0))
+ end
+ end
+end
+function files.skipshort(f,n)
+ f:read(2*(n or 1))
+end
+function files.skiplong(f,n)
+ f:read(4*(n or 1))
+end
+if bit32 then
+ local rshift=bit32.rshift
+ function files.writecardinal2(f,n)
+ local a=char(n%256)
+ n=rshift(n,8)
+ local b=char(n%256)
+ f:write(b,a)
+ end
+else
+ local floor=math.floor
+ function files.writecardinal2(f,n)
+ local a=char(n%256)
+ n=floor(n/256)
+ local b=char(n%256)
+ f:write(b,a)
+ end
+end
+function files.writecardinal4(f,n)
+ local a=char(n%256)
+ n=rshift(n,8)
+ local b=char(n%256)
+ n=rshift(n,8)
+ local c=char(n%256)
+ n=rshift(n,8)
+ local d=char(n%256)
+ f:write(d,c,b,a)
+end
+function files.writestring(f,s)
+ f:write(char(byte(s,1,#s)))
+end
+function files.writebyte(f,b)
+ f:write(char(b))
+end
+if fio and fio.readcardinal1 then
+ files.readcardinal1=fio.readcardinal1
+ files.readcardinal2=fio.readcardinal2
+ files.readcardinal3=fio.readcardinal3
+ files.readcardinal4=fio.readcardinal4
+ files.readinteger1=fio.readinteger1
+ files.readinteger2=fio.readinteger2
+ files.readinteger3=fio.readinteger3
+ files.readinteger4=fio.readinteger4
+ files.readfixed2=fio.readfixed2
+ files.readfixed4=fio.readfixed4
+ files.read2dot14=fio.read2dot14
+ files.setposition=fio.setposition
+ files.getposition=fio.getposition
+ files.readbyte=files.readcardinal1
+ files.readsignedbyte=files.readinteger1
+ files.readcardinal=files.readcardinal1
+ files.readinteger=files.readinteger1
+ local skipposition=fio.skipposition
+ files.skipposition=skipposition
+ files.readbytes=fio.readbytes
+ files.readbytetable=fio.readbytetable
+ function files.skipshort(f,n)
+ skipposition(f,2*(n or 1))
+ end
+ function files.skiplong(f,n)
+ skipposition(f,4*(n or 1))
+ end
+end
+if fio and fio.readcardinaltable then
+ files.readcardinaltable=fio.readcardinaltable
+ files.readintegertable=fio.readintegertable
+else
+ local readcardinal1=files.readcardinal1
+ local readcardinal2=files.readcardinal2
+ local readcardinal3=files.readcardinal3
+ local readcardinal4=files.readcardinal4
+ function files.readcardinaltable(f,n,b)
+ local t={}
+ if b==1 then for i=1,n do t[i]=readcardinal1(f) end
+ elseif b==2 then for i=1,n do t[i]=readcardinal2(f) end
+ elseif b==3 then for i=1,n do t[i]=readcardinal3(f) end
+ elseif b==4 then for i=1,n do t[i]=readcardinal4(f) end end
+ return t
+ end
+ local readinteger1=files.readinteger1
+ local readinteger2=files.readinteger2
+ local readinteger3=files.readinteger3
+ local readinteger4=files.readinteger4
+ function files.readintegertable(f,n,b)
+ local t={}
+ if b==1 then for i=1,n do t[i]=readinteger1(f) end
+ elseif b==2 then for i=1,n do t[i]=readinteger2(f) end
+ elseif b==3 then for i=1,n do t[i]=readinteger3(f) end
+ elseif b==4 then for i=1,n do t[i]=readinteger4(f) end end
+ return t
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['luat-basics-gen']={
+ version=1.100,
+ comment="companion to luatex-*.tex",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+if context then
+--removed
+
+end
+local match,gmatch,gsub,lower=string.match,string.gmatch,string.gsub,string.lower
+local formatters,split,format,dump=string.formatters,string.split,string.format,string.dump
+local loadfile,type=loadfile,type
+local setmetatable,getmetatable,collectgarbage=setmetatable,getmetatable,collectgarbage
+local dummyfunction=function()
+end
+local dummyreporter=function(c)
+ return function(f,...)
+ local r=texio.reporter or texio.write_nl
+ if f then
+ r(c.." : "..(formatters or format)(f,...))
+ else
+ r("")
+ end
+ end
+end
+local dummyreport=function(c,f,...)
+ local r=texio.reporter or texio.write_nl
+ if f then
+ r(c.." : "..(formatters or format)(f,...))
+ else
+ r("")
+ end
+end
+statistics={
+ register=dummyfunction,
+ starttiming=dummyfunction,
+ stoptiming=dummyfunction,
+ elapsedtime=nil,
+}
+directives={
+ register=dummyfunction,
+ enable=dummyfunction,
+ disable=dummyfunction,
+}
+trackers={
+ register=dummyfunction,
+ enable=dummyfunction,
+ disable=dummyfunction,
+}
+experiments={
+ register=dummyfunction,
+ enable=dummyfunction,
+ disable=dummyfunction,
+}
+storage={
+ register=dummyfunction,
+ shared={},
+}
+logs={
+ new=dummyreporter,
+ reporter=dummyreporter,
+ messenger=dummyreporter,
+ report=dummyreport,
+}
+callbacks={
+ register=function(n,f)
+ return callback.register(n,f)
+ end,
+}
+utilities=utilities or {}
+utilities.storage=utilities.storage or {
+ allocate=function(t)
+ return t or {}
+ end,
+ mark=function(t)
+ return t or {}
+ end,
+}
+utilities.parsers=utilities.parsers or {
+ settings_to_array=function(s)
+ return split(s,",")
+ end,
+ settings_to_hash=function(s)
+ local t={}
+ for k,v in gmatch(s,"([^%s,=]+)=([^%s,]+)") do
+ t[k]=v
+ end
+ return t
+ end,
+ settings_to_hash_colon_too=function(s)
+ local t={}
+ for k,v in gmatch(s,"([^%s,=:]+)[=:]([^%s,]+)") do
+ t[k]=v
+ end
+ return t
+ end,
+}
+characters=characters or {
+ data={}
+}
+texconfig.kpse_init=true
+resolvers=resolvers or {}
+local remapper={
+ otf="opentype fonts",
+ ttf="truetype fonts",
+ ttc="truetype fonts",
+ cid="cid maps",
+ cidmap="cid maps",
+ pfb="type1 fonts",
+ afm="afm",
+ enc="enc files",
+ lua="tex",
+}
+function resolvers.findfile(name,fileformat)
+ name=gsub(name,"\\","/")
+ if not fileformat or fileformat=="" then
+ fileformat=file.suffix(name)
+ if fileformat=="" then
+ fileformat="tex"
+ end
+ end
+ fileformat=lower(fileformat)
+ fileformat=remapper[fileformat] or fileformat
+ local found=kpse.find_file(name,fileformat)
+ if not found or found=="" then
+ found=kpse.find_file(name,"other text files")
+ end
+ return found
+end
+resolvers.findbinfile=resolvers.findfile
+function resolvers.loadbinfile(filename,filetype)
+ local data=io.loaddata(filename)
+ return true,data,#data
+end
+function resolvers.resolve(s)
+ return s
+end
+function resolvers.unresolve(s)
+ return s
+end
+caches={}
+local writable=nil
+local readables={}
+local usingjit=jit
+if not caches.namespace or caches.namespace=="" or caches.namespace=="context" then
+ caches.namespace='generic'
+end
+do
+ local cachepaths=kpse.expand_var('$TEXMFCACHE') or ""
+ if cachepaths=="" or cachepaths=="$TEXMFCACHE" then
+ cachepaths=kpse.expand_var('$TEXMFVAR') or ""
+ end
+ if cachepaths=="" or cachepaths=="$TEXMFVAR" then
+ cachepaths=kpse.expand_var('$VARTEXMF') or ""
+ end
+ if cachepaths=="" then
+ local fallbacks={ "TMPDIR","TEMPDIR","TMP","TEMP","HOME","HOMEPATH" }
+ for i=1,#fallbacks do
+ cachepaths=os.getenv(fallbacks[i]) or ""
+ if cachepath~="" and lfs.isdir(cachepath) then
+ break
+ end
+ end
+ end
+ if cachepaths=="" then
+ cachepaths="."
+ end
+ cachepaths=split(cachepaths,os.type=="windows" and ";" or ":")
+ for i=1,#cachepaths do
+ local cachepath=cachepaths[i]
+ if not lfs.isdir(cachepath) then
+ lfs.mkdirs(cachepath)
+ if lfs.isdir(cachepath) then
+ logs.report("system","creating cache path '%s'",cachepath)
+ end
+ end
+ if file.is_writable(cachepath) then
+ writable=file.join(cachepath,"luatex-cache")
+ lfs.mkdir(writable)
+ writable=file.join(writable,caches.namespace)
+ lfs.mkdir(writable)
+ break
+ end
+ end
+ for i=1,#cachepaths do
+ if file.is_readable(cachepaths[i]) then
+ readables[#readables+1]=file.join(cachepaths[i],"luatex-cache",caches.namespace)
+ end
+ end
+ if not writable then
+ logs.report("system","no writeable cache path, quiting")
+ os.exit()
+ elseif #readables==0 then
+ logs.report("system","no readable cache path, quiting")
+ os.exit()
+ elseif #readables==1 and readables[1]==writable then
+ logs.report("system","using cache '%s'",writable)
+ else
+ logs.report("system","using write cache '%s'",writable)
+ logs.report("system","using read cache '%s'",table.concat(readables," "))
+ end
+end
+function caches.getwritablepath(category,subcategory)
+ local path=file.join(writable,category)
+ lfs.mkdir(path)
+ path=file.join(path,subcategory)
+ lfs.mkdir(path)
+ return path
+end
+function caches.getreadablepaths(category,subcategory)
+ local t={}
+ for i=1,#readables do
+ t[i]=file.join(readables[i],category,subcategory)
+ end
+ return t
+end
+local function makefullname(path,name)
+ if path and path~="" then
+ return file.addsuffix(file.join(path,name),"lua"),file.addsuffix(file.join(path,name),usingjit and "lub" or "luc")
+ end
+end
+function caches.is_writable(path,name)
+ local fullname=makefullname(path,name)
+ return fullname and file.is_writable(fullname)
+end
+function caches.loaddata(readables,name,writable)
+ for i=1,#readables do
+ local path=readables[i]
+ local loader=false
+ local luaname,lucname=makefullname(path,name)
+ if lfs.isfile(lucname) then
+ logs.report("system","loading luc file '%s'",lucname)
+ loader=loadfile(lucname)
+ end
+ if not loader and lfs.isfile(luaname) then
+ local luacrap,lucname=makefullname(writable,name)
+ logs.report("system","compiling luc file '%s'",lucname)
+ if lfs.isfile(lucname) then
+ loader=loadfile(lucname)
+ end
+ caches.compile(data,luaname,lucname)
+ if lfs.isfile(lucname) then
+ logs.report("system","loading luc file '%s'",lucname)
+ loader=loadfile(lucname)
+ else
+ logs.report("system","error in loading luc file '%s'",lucname)
+ end
+ if not loader then
+ logs.report("system","loading lua file '%s'",luaname)
+ loader=loadfile(luaname)
+ else
+ logs.report("system","error in loading lua file '%s'",luaname)
+ end
+ end
+ if loader then
+ loader=loader()
+ collectgarbage("step")
+ return loader
+ end
+ end
+ return false
+end
+function caches.savedata(path,name,data)
+ local luaname,lucname=makefullname(path,name)
+ if luaname then
+ logs.report("system","saving lua file '%s'",luaname)
+ table.tofile(luaname,data,true)
+ if lucname and type(caches.compile)=="function" then
+ os.remove(lucname)
+ logs.report("system","saving luc file '%s'",lucname)
+ caches.compile(data,luaname,lucname)
+ end
+ end
+end
+function caches.compile(data,luaname,lucname)
+ local d=io.loaddata(luaname)
+ if not d or d=="" then
+ d=table.serialize(data,true)
+ end
+ if d and d~="" then
+ local f=io.open(lucname,'wb')
+ if f then
+ local s=loadstring(d)
+ if s then
+ f:write(dump(s,true))
+ end
+ f:close()
+ end
+ end
+end
+function table.setmetatableindex(t,f)
+ if type(t)~="table" then
+ f,t=t,{}
+ end
+ local m=getmetatable(t)
+ if f=="table" then
+ f=function(t,k) local v={} t[k]=v return v end
+ end
+ if m then
+ m.__index=f
+ else
+ setmetatable(t,{ __index=f })
+ end
+ return t
+end
+function table.makeweak(t)
+ local m=getmetatable(t)
+ if m then
+ m.__mode="v"
+ else
+ setmetatable(t,{ __mode="v" })
+ end
+ return t
+end
+arguments={}
+if arg then
+ for i=1,#arg do
+ local k,v=match(arg[i],"^%-%-([^=]+)=?(.-)$")
+ if k and v then
+ arguments[k]=v
+ end
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['data-con']={
+ version=1.100,
+ comment="companion to luat-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local format,lower,gsub=string.format,string.lower,string.gsub
+local trace_cache=false trackers.register("resolvers.cache",function(v) trace_cache=v end)
+local trace_containers=false trackers.register("resolvers.containers",function(v) trace_containers=v end)
+local trace_storage=false trackers.register("resolvers.storage",function(v) trace_storage=v end)
+containers=containers or {}
+local containers=containers
+containers.usecache=true
+local report_containers=logs.reporter("resolvers","containers")
+local allocated={}
+local mt={
+ __index=function(t,k)
+ if k=="writable" then
+ local writable=caches.getwritablepath(t.category,t.subcategory) or { "." }
+ t.writable=writable
+ return writable
+ elseif k=="readables" then
+ local readables=caches.getreadablepaths(t.category,t.subcategory) or { "." }
+ t.readables=readables
+ return readables
+ end
+ end,
+ __storage__=true
+}
+function containers.define(category,subcategory,version,enabled)
+ if category and subcategory then
+ local c=allocated[category]
+ if not c then
+ c={}
+ allocated[category]=c
+ end
+ local s=c[subcategory]
+ if not s then
+ s={
+ category=category,
+ subcategory=subcategory,
+ storage={},
+ enabled=enabled,
+ version=version or math.pi,
+ trace=false,
+ }
+ setmetatable(s,mt)
+ c[subcategory]=s
+ end
+ return s
+ end
+end
+function containers.is_usable(container,name)
+ return container.enabled and caches and caches.is_writable(container.writable,name)
+end
+function containers.is_valid(container,name)
+ if name and name~="" then
+ local storage=container.storage[name]
+ return storage and storage.cache_version==container.version
+ else
+ return false
+ end
+end
+function containers.read(container,name)
+ local storage=container.storage
+ local stored=storage[name]
+ if not stored and container.enabled and caches and containers.usecache then
+ stored=caches.loaddata(container.readables,name,container.writable)
+ if stored and stored.cache_version==container.version then
+ if trace_cache or trace_containers then
+ report_containers("action %a, category %a, name %a","load",container.subcategory,name)
+ end
+ else
+ stored=nil
+ end
+ storage[name]=stored
+ elseif stored then
+ if trace_cache or trace_containers then
+ report_containers("action %a, category %a, name %a","reuse",container.subcategory,name)
+ end
+ end
+ return stored
+end
+function containers.write(container,name,data)
+ if data then
+ data.cache_version=container.version
+ if container.enabled and caches then
+ local unique,shared=data.unique,data.shared
+ data.unique,data.shared=nil,nil
+ caches.savedata(container.writable,name,data)
+ if trace_cache or trace_containers then
+ report_containers("action %a, category %a, name %a","save",container.subcategory,name)
+ end
+ data.unique,data.shared=unique,shared
+ end
+ if trace_cache or trace_containers then
+ report_containers("action %a, category %a, name %a","store",container.subcategory,name)
+ end
+ container.storage[name]=data
+ end
+ return data
+end
+function containers.content(container,name)
+ return container.storage[name]
+end
+function containers.cleanname(name)
+ return (gsub(lower(name),"[^%w\128-\255]+","-"))
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['luatex-fonts-nod']={
+ version=1.001,
+ comment="companion to luatex-fonts.lua",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+if context then
+--removed
+
+end
+if tex.attribute[0]~=0 then
+ texio.write_nl("log","!")
+ texio.write_nl("log","! Attribute 0 is reserved for ConTeXt's font feature management and has to be")
+ texio.write_nl("log","! set to zero. Also, some attributes in the range 1-255 are used for special")
+ texio.write_nl("log","! purposes so setting them at the TeX end might break the font handler.")
+ texio.write_nl("log","!")
+ tex.attribute[0]=0
+end
+attributes=attributes or {}
+attributes.unsetvalue=-0x7FFFFFFF
+local numbers,last={},127
+attributes.private=attributes.private or function(name)
+ local number=numbers[name]
+ if not number then
+ if last<255 then
+ last=last+1
+ end
+ number=last
+ numbers[name]=number
+ end
+ return number
+end
+nodes={}
+nodes.handlers={}
+local nodecodes={}
+local glyphcodes=node.subtypes("glyph")
+local disccodes=node.subtypes("disc")
+for k,v in next,node.types() do
+ v=string.gsub(v,"_","")
+ nodecodes[k]=v
+ nodecodes[v]=k
+end
+for k,v in next,glyphcodes do
+ glyphcodes[v]=k
+end
+for k,v in next,glyphcodes do
+ disccodes[v]=k
+end
+nodes.nodecodes=nodecodes
+nodes.glyphcodes=glyphcodes
+nodes.disccodes=disccodes
+local flush_node=node.flush_node
+local remove_node=node.remove
+local traverse_id=node.traverse_id
+nodes.handlers.protectglyphs=node.protect_glyphs
+nodes.handlers.unprotectglyphs=node.unprotect_glyphs
+local math_code=nodecodes.math
+local end_of_math=node.end_of_math
+function node.end_of_math(n)
+ if n.id==math_code and n.subtype==1 then
+ return n
+ else
+ return end_of_math(n)
+ end
+end
+function nodes.remove(head,current,free_too)
+ local t=current
+ head,current=remove_node(head,current)
+ if t then
+ if free_too then
+ flush_node(t)
+ t=nil
+ else
+ t.next,t.prev=nil,nil
+ end
+ end
+ return head,current,t
+end
+function nodes.delete(head,current)
+ return nodes.remove(head,current,true)
+end
+local getfield=node.getfield
+local setfield=node.setfield
+nodes.getfield=getfield
+nodes.setfield=setfield
+nodes.getattr=getfield
+nodes.setattr=setfield
+nodes.tostring=node.tostring or tostring
+nodes.copy=node.copy
+nodes.copy_node=node.copy
+nodes.copy_list=node.copy_list
+nodes.delete=node.delete
+nodes.dimensions=node.dimensions
+nodes.end_of_math=node.end_of_math
+nodes.flush_list=node.flush_list
+nodes.flush_node=node.flush_node
+nodes.flush=node.flush_node
+nodes.free=node.free
+nodes.insert_after=node.insert_after
+nodes.insert_before=node.insert_before
+nodes.hpack=node.hpack
+nodes.new=node.new
+nodes.tail=node.tail
+nodes.traverse=node.traverse
+nodes.traverse_id=node.traverse_id
+nodes.slide=node.slide
+nodes.vpack=node.vpack
+nodes.first_glyph=node.first_glyph
+nodes.has_glyph=node.has_glyph or node.first_glyph
+nodes.current_attr=node.current_attr
+nodes.has_field=node.has_field
+nodes.last_node=node.last_node
+nodes.usedlist=node.usedlist
+nodes.protrusion_skippable=node.protrusion_skippable
+nodes.write=node.write
+nodes.has_attribute=node.has_attribute
+nodes.set_attribute=node.set_attribute
+nodes.unset_attribute=node.unset_attribute
+nodes.protect_glyphs=node.protect_glyphs
+nodes.unprotect_glyphs=node.unprotect_glyphs
+nodes.mlist_to_hlist=node.mlist_to_hlist
+local direct=node.direct
+local nuts={}
+nodes.nuts=nuts
+local tonode=direct.tonode
+local tonut=direct.todirect
+nodes.tonode=tonode
+nodes.tonut=tonut
+nuts.tonode=tonode
+nuts.tonut=tonut
+local getfield=direct.getfield
+local setfield=direct.setfield
+nuts.getfield=getfield
+nuts.setfield=setfield
+nuts.getnext=direct.getnext
+nuts.setnext=direct.setnext
+nuts.getprev=direct.getprev
+nuts.setprev=direct.setprev
+nuts.getboth=direct.getboth
+nuts.setboth=direct.setboth
+nuts.getid=direct.getid
+nuts.getattr=direct.get_attribute or direct.has_attribute or getfield
+nuts.setattr=setfield
+nuts.getfont=direct.getfont
+nuts.setfont=direct.setfont
+nuts.getsubtype=direct.getsubtype
+nuts.setsubtype=direct.setsubtype
+nuts.getchar=direct.getchar
+nuts.setchar=direct.setchar
+nuts.getdisc=direct.getdisc
+nuts.setdisc=direct.setdisc
+nuts.setlink=direct.setlink
+nuts.setsplit=direct.setsplit
+nuts.getlist=direct.getlist
+nuts.setlist=direct.setlist
+nuts.getoffsets=direct.getoffsets or
+ function(n)
+ return getfield(n,"xoffset"),getfield(n,"yoffset")
+ end
+nuts.setoffsets=direct.setoffsets or
+ function(n,x,y)
+ if x then setfield(n,"xoffset",x) end
+ if y then setfield(n,"xoffset",y) end
+ end
+nuts.getleader=direct.getleader or function(n) return getfield(n,"leader") end
+nuts.setleader=direct.setleader or function(n,l) setfield(n,"leader",l) end
+nuts.getcomponents=direct.getcomponents or function(n) return getfield(n,"components") end
+nuts.setcomponents=direct.setcomponents or function(n,c) setfield(n,"components",c) end
+nuts.getkern=direct.getkern or function(n) return getfield(n,"kern") end
+nuts.setkern=direct.setkern or function(n,k) setfield(n,"kern",k) end
+nuts.getdir=direct.getdir or function(n) return getfield(n,"dir") end
+nuts.setdir=direct.setdir or function(n,d) setfield(n,"dir",d) end
+nuts.getwidth=direct.getwidth or function(n) return getfield(n,"width") end
+nuts.setwidth=direct.setwidth or function(n,w) return setfield(n,"width",w) end
+nuts.getheight=direct.getheight or function(n) return getfield(n,"height") end
+nuts.setheight=direct.setheight or function(n,h) return setfield(n,"height",h) end
+nuts.getdepth=direct.getdepth or function(n) return getfield(n,"depth") end
+nuts.setdepth=direct.setdepth or function(n,d) return setfield(n,"depth",d) end
+if not direct.is_glyph then
+ local getchar=direct.getchar
+ local getid=direct.getid
+ local getfont=direct.getfont
+ local glyph_code=nodes.nodecodes.glyph
+ function direct.is_glyph(n,f)
+ local id=getid(n)
+ if id==glyph_code then
+ if f and getfont(n)==f then
+ return getchar(n)
+ else
+ return false
+ end
+ else
+ return nil,id
+ end
+ end
+ function direct.is_char(n,f)
+ local id=getid(n)
+ if id==glyph_code then
+ if getsubtype(n)>=256 then
+ return false
+ elseif f and getfont(n)==f then
+ return getchar(n)
+ else
+ return false
+ end
+ else
+ return nil,id
+ end
+ end
+end
+nuts.ischar=direct.is_char
+nuts.is_char=direct.is_char
+nuts.isglyph=direct.is_glyph
+nuts.is_glyph=direct.is_glyph
+nuts.insert_before=direct.insert_before
+nuts.insert_after=direct.insert_after
+nuts.delete=direct.delete
+nuts.copy=direct.copy
+nuts.copy_node=direct.copy
+nuts.copy_list=direct.copy_list
+nuts.tail=direct.tail
+nuts.flush_list=direct.flush_list
+nuts.flush_node=direct.flush_node
+nuts.flush=direct.flush
+nuts.free=direct.free
+nuts.remove=direct.remove
+nuts.is_node=direct.is_node
+nuts.end_of_math=direct.end_of_math
+nuts.traverse=direct.traverse
+nuts.traverse_id=direct.traverse_id
+nuts.traverse_char=direct.traverse_char
+nuts.traverse_glyph=direct.traverse_glyph
+nuts.ligaturing=direct.ligaturing
+nuts.kerning=direct.kerning
+nuts.new=direct.new
+nuts.getprop=nuts.getattr
+nuts.setprop=nuts.setattr
+local propertydata=direct.get_properties_table()
+nodes.properties={ data=propertydata }
+direct.set_properties_mode(true,true)
+function direct.set_properties_mode() end
+nuts.getprop=function(n,k)
+ local p=propertydata[n]
+ if p then
+ return p[k]
+ end
+end
+nuts.setprop=function(n,k,v)
+ if v then
+ local p=propertydata[n]
+ if p then
+ p[k]=v
+ else
+ propertydata[n]={ [k]=v }
+ end
+ end
+end
+nodes.setprop=nodes.setproperty
+nodes.getprop=nodes.getproperty
+local setprev=nuts.setprev
+local setnext=nuts.setnext
+local getnext=nuts.getnext
+local setlink=nuts.setlink
+local getfield=nuts.getfield
+local setfield=nuts.setfield
+local getcomponents=nuts.getcomponents
+local setcomponents=nuts.setcomponents
+local find_tail=nuts.tail
+local flush_list=nuts.flush_list
+local flush_node=nuts.flush_node
+local traverse_id=nuts.traverse_id
+local copy_node=nuts.copy_node
+local glyph_code=nodes.nodecodes.glyph
+function nuts.set_components(target,start,stop)
+ local head=getcomponents(target)
+ if head then
+ flush_list(head)
+ head=nil
+ end
+ if start then
+ setprev(start)
+ else
+ return nil
+ end
+ if stop then
+ setnext(stop)
+ end
+ local tail=nil
+ while start do
+ local c=getcomponents(start)
+ local n=getnext(start)
+ if c then
+ if head then
+ setlink(tail,c)
+ else
+ head=c
+ end
+ tail=find_tail(c)
+ setcomponents(start)
+ flush_node(start)
+ else
+ if head then
+ setlink(tail,start)
+ else
+ head=start
+ end
+ tail=start
+ end
+ start=n
+ end
+ setcomponents(target,head)
+ return head
+end
+nuts.get_components=nuts.getcomponents
+function nuts.take_components(target)
+ local c=getcomponents(target)
+ setcomponents(target)
+ return c
+end
+function nuts.count_components(n,marks)
+ local components=getcomponents(n)
+ if components then
+ if marks then
+ local i=0
+ for g in traverse_id(glyph_code,components) do
+ if not marks[getchar(g)] then
+ i=i+1
+ end
+ end
+ return i
+ else
+ return count(glyph_code,components)
+ end
+ else
+ return 0
+ end
+end
+function nuts.copy_no_components(g,copyinjection)
+ local components=getcomponents(g)
+ if components then
+ setcomponents(g)
+ local n=copy_node(g)
+ if copyinjection then
+ copyinjection(n,g)
+ end
+ setcomponents(g,components)
+ return n
+ else
+ local n=copy_node(g)
+ if copyinjection then
+ copyinjection(n,g)
+ end
+ return n
+ end
+end
+function nuts.copy_only_glyphs(current)
+ local head=nil
+ local previous=nil
+ for n in traverse_id(glyph_code,current) do
+ n=copy_node(n)
+ if head then
+ setlink(previous,n)
+ else
+ head=n
+ end
+ previous=n
+ end
+ return head
+end
+nuts.uses_font=direct.uses_font
+if not nuts.uses_font then
+ local getdisc=nuts.getdisc
+ local getfont=nuts.getfont
+ function nuts.uses_font(n,font)
+ local pre,post,replace=getdisc(n)
+ if pre then
+ for n in traverse_id(glyph_code,pre) do
+ if getfont(n)==font then
+ return true
+ end
+ end
+ end
+ if post then
+ for n in traverse_id(glyph_code,post) do
+ if getfont(n)==font then
+ return true
+ end
+ end
+ end
+ if replace then
+ for n in traverse_id(glyph_code,replace) do
+ if getfont(n)==font then
+ return true
+ end
+ end
+ end
+ return false
+ end
+end
+do
+ local dummy=tonut(node.new("glyph"))
+ nuts.traversers={
+ glyph=nuts.traverse_id(nodecodes.glyph,dummy),
+ glue=nuts.traverse_id(nodecodes.glue,dummy),
+ disc=nuts.traverse_id(nodecodes.disc,dummy),
+ boundary=nuts.traverse_id(nodecodes.boundary,dummy),
+ char=nuts.traverse_char(dummy),
+ node=nuts.traverse(dummy),
+ }
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+
+characters=characters or {}
+characters.blockrange={}
+characters.classifiers={
+ [768]=5,
+ [769]=5,
+ [770]=5,
+ [771]=5,
+ [772]=5,
+ [773]=5,
+ [774]=5,
+ [775]=5,
+ [776]=5,
+ [777]=5,
+ [778]=5,
+ [779]=5,
+ [780]=5,
+ [781]=5,
+ [782]=5,
+ [783]=5,
+ [784]=5,
+ [785]=5,
+ [786]=5,
+ [787]=5,
+ [788]=5,
+ [789]=5,
+ [790]=5,
+ [791]=5,
+ [792]=5,
+ [793]=5,
+ [794]=5,
+ [795]=5,
+ [796]=5,
+ [797]=5,
+ [798]=5,
+ [799]=5,
+ [800]=5,
+ [801]=5,
+ [802]=5,
+ [803]=5,
+ [804]=5,
+ [805]=5,
+ [806]=5,
+ [807]=5,
+ [808]=5,
+ [809]=5,
+ [810]=5,
+ [811]=5,
+ [812]=5,
+ [813]=5,
+ [814]=5,
+ [815]=5,
+ [816]=5,
+ [817]=5,
+ [818]=5,
+ [819]=5,
+ [820]=5,
+ [821]=5,
+ [822]=5,
+ [823]=5,
+ [824]=5,
+ [825]=5,
+ [826]=5,
+ [827]=5,
+ [828]=5,
+ [829]=5,
+ [830]=5,
+ [831]=5,
+ [832]=5,
+ [833]=5,
+ [834]=5,
+ [835]=5,
+ [836]=5,
+ [837]=5,
+ [838]=5,
+ [839]=5,
+ [840]=5,
+ [841]=5,
+ [842]=5,
+ [843]=5,
+ [844]=5,
+ [845]=5,
+ [846]=5,
+ [847]=5,
+ [848]=5,
+ [849]=5,
+ [850]=5,
+ [851]=5,
+ [852]=5,
+ [853]=5,
+ [854]=5,
+ [855]=5,
+ [856]=5,
+ [857]=5,
+ [858]=5,
+ [859]=5,
+ [860]=5,
+ [861]=5,
+ [862]=5,
+ [863]=5,
+ [864]=5,
+ [865]=5,
+ [866]=5,
+ [867]=5,
+ [868]=5,
+ [869]=5,
+ [870]=5,
+ [871]=5,
+ [872]=5,
+ [873]=5,
+ [874]=5,
+ [875]=5,
+ [876]=5,
+ [877]=5,
+ [878]=5,
+ [879]=5,
+ [1155]=5,
+ [1156]=5,
+ [1157]=5,
+ [1158]=5,
+ [1159]=5,
+ [1425]=5,
+ [1426]=5,
+ [1427]=5,
+ [1428]=5,
+ [1429]=5,
+ [1430]=5,
+ [1431]=5,
+ [1432]=5,
+ [1433]=5,
+ [1434]=5,
+ [1435]=5,
+ [1436]=5,
+ [1437]=5,
+ [1438]=5,
+ [1439]=5,
+ [1440]=5,
+ [1441]=5,
+ [1442]=5,
+ [1443]=5,
+ [1444]=5,
+ [1445]=5,
+ [1446]=5,
+ [1447]=5,
+ [1448]=5,
+ [1449]=5,
+ [1450]=5,
+ [1451]=5,
+ [1452]=5,
+ [1453]=5,
+ [1454]=5,
+ [1455]=5,
+ [1456]=5,
+ [1457]=5,
+ [1458]=5,
+ [1459]=5,
+ [1460]=5,
+ [1461]=5,
+ [1462]=5,
+ [1463]=5,
+ [1464]=5,
+ [1465]=5,
+ [1466]=5,
+ [1467]=5,
+ [1468]=5,
+ [1469]=5,
+ [1471]=5,
+ [1473]=5,
+ [1474]=5,
+ [1476]=5,
+ [1477]=5,
+ [1479]=5,
+ [1536]=4,
+ [1537]=4,
+ [1538]=4,
+ [1539]=4,
+ [1540]=4,
+ [1541]=4,
+ [1542]=6,
+ [1543]=6,
+ [1544]=4,
+ [1545]=6,
+ [1546]=6,
+ [1547]=4,
+ [1548]=6,
+ [1549]=6,
+ [1550]=6,
+ [1551]=6,
+ [1552]=5,
+ [1553]=5,
+ [1554]=5,
+ [1555]=5,
+ [1556]=5,
+ [1557]=5,
+ [1558]=5,
+ [1559]=5,
+ [1560]=5,
+ [1561]=5,
+ [1562]=5,
+ [1563]=6,
+ [1564]=6,
+ [1566]=6,
+ [1567]=6,
+ [1568]=2,
+ [1569]=4,
+ [1570]=3,
+ [1571]=3,
+ [1572]=3,
+ [1573]=3,
+ [1574]=2,
+ [1575]=3,
+ [1576]=2,
+ [1577]=3,
+ [1578]=2,
+ [1579]=2,
+ [1580]=2,
+ [1581]=2,
+ [1582]=2,
+ [1583]=3,
+ [1584]=3,
+ [1585]=3,
+ [1586]=3,
+ [1587]=2,
+ [1588]=2,
+ [1589]=2,
+ [1590]=2,
+ [1591]=2,
+ [1592]=2,
+ [1593]=2,
+ [1594]=2,
+ [1595]=2,
+ [1596]=2,
+ [1597]=2,
+ [1598]=2,
+ [1599]=2,
+ [1600]=2,
+ [1601]=2,
+ [1602]=2,
+ [1603]=2,
+ [1604]=2,
+ [1605]=2,
+ [1606]=2,
+ [1607]=2,
+ [1608]=3,
+ [1609]=2,
+ [1610]=2,
+ [1611]=5,
+ [1612]=5,
+ [1613]=5,
+ [1614]=5,
+ [1615]=5,
+ [1616]=5,
+ [1617]=5,
+ [1618]=5,
+ [1619]=5,
+ [1620]=5,
+ [1621]=5,
+ [1622]=5,
+ [1623]=5,
+ [1624]=5,
+ [1625]=5,
+ [1626]=5,
+ [1627]=5,
+ [1628]=5,
+ [1629]=5,
+ [1630]=5,
+ [1631]=5,
+ [1632]=6,
+ [1633]=6,
+ [1634]=6,
+ [1635]=6,
+ [1636]=6,
+ [1637]=6,
+ [1638]=6,
+ [1639]=6,
+ [1640]=6,
+ [1641]=6,
+ [1642]=6,
+ [1643]=6,
+ [1644]=6,
+ [1645]=6,
+ [1646]=2,
+ [1647]=2,
+ [1648]=5,
+ [1649]=3,
+ [1650]=3,
+ [1651]=3,
+ [1652]=4,
+ [1653]=3,
+ [1654]=3,
+ [1655]=3,
+ [1656]=2,
+ [1657]=2,
+ [1658]=2,
+ [1659]=2,
+ [1660]=2,
+ [1661]=2,
+ [1662]=2,
+ [1663]=2,
+ [1664]=2,
+ [1665]=2,
+ [1666]=2,
+ [1667]=2,
+ [1668]=2,
+ [1669]=2,
+ [1670]=2,
+ [1671]=2,
+ [1672]=3,
+ [1673]=3,
+ [1674]=3,
+ [1675]=3,
+ [1676]=3,
+ [1677]=3,
+ [1678]=3,
+ [1679]=3,
+ [1680]=3,
+ [1681]=3,
+ [1682]=3,
+ [1683]=3,
+ [1684]=3,
+ [1685]=3,
+ [1686]=3,
+ [1687]=3,
+ [1688]=3,
+ [1689]=3,
+ [1690]=2,
+ [1691]=2,
+ [1692]=2,
+ [1693]=2,
+ [1694]=2,
+ [1695]=2,
+ [1696]=2,
+ [1697]=2,
+ [1698]=2,
+ [1699]=2,
+ [1700]=2,
+ [1701]=2,
+ [1702]=2,
+ [1703]=2,
+ [1704]=2,
+ [1705]=2,
+ [1706]=2,
+ [1707]=2,
+ [1708]=2,
+ [1709]=2,
+ [1710]=2,
+ [1711]=2,
+ [1712]=2,
+ [1713]=2,
+ [1714]=2,
+ [1715]=2,
+ [1716]=2,
+ [1717]=2,
+ [1718]=2,
+ [1719]=2,
+ [1720]=2,
+ [1721]=2,
+ [1722]=2,
+ [1723]=2,
+ [1724]=2,
+ [1725]=2,
+ [1726]=2,
+ [1727]=2,
+ [1728]=3,
+ [1729]=2,
+ [1730]=2,
+ [1731]=3,
+ [1732]=3,
+ [1733]=3,
+ [1734]=3,
+ [1735]=3,
+ [1736]=3,
+ [1737]=3,
+ [1738]=3,
+ [1739]=3,
+ [1740]=2,
+ [1741]=3,
+ [1742]=2,
+ [1743]=3,
+ [1744]=2,
+ [1745]=2,
+ [1746]=3,
+ [1747]=3,
+ [1748]=6,
+ [1749]=3,
+ [1750]=5,
+ [1751]=5,
+ [1752]=5,
+ [1753]=5,
+ [1754]=5,
+ [1755]=5,
+ [1756]=5,
+ [1757]=4,
+ [1758]=6,
+ [1759]=5,
+ [1760]=5,
+ [1761]=5,
+ [1762]=5,
+ [1763]=5,
+ [1764]=5,
+ [1765]=6,
+ [1766]=6,
+ [1767]=5,
+ [1768]=5,
+ [1769]=6,
+ [1770]=5,
+ [1771]=5,
+ [1772]=5,
+ [1773]=5,
+ [1774]=3,
+ [1775]=3,
+ [1776]=6,
+ [1777]=6,
+ [1778]=6,
+ [1779]=6,
+ [1780]=6,
+ [1781]=6,
+ [1782]=6,
+ [1783]=6,
+ [1784]=6,
+ [1785]=6,
+ [1786]=2,
+ [1787]=2,
+ [1788]=2,
+ [1789]=6,
+ [1790]=6,
+ [1791]=2,
+ [1792]=6,
+ [1793]=6,
+ [1794]=6,
+ [1795]=6,
+ [1796]=6,
+ [1797]=6,
+ [1798]=6,
+ [1799]=6,
+ [1800]=6,
+ [1801]=6,
+ [1802]=6,
+ [1803]=6,
+ [1804]=6,
+ [1805]=6,
+ [1807]=6,
+ [1808]=3,
+ [1809]=5,
+ [1810]=2,
+ [1811]=2,
+ [1812]=2,
+ [1813]=3,
+ [1814]=3,
+ [1815]=3,
+ [1816]=3,
+ [1817]=3,
+ [1818]=2,
+ [1819]=2,
+ [1820]=2,
+ [1821]=2,
+ [1822]=3,
+ [1823]=2,
+ [1824]=2,
+ [1825]=2,
+ [1826]=2,
+ [1827]=2,
+ [1828]=2,
+ [1829]=2,
+ [1830]=2,
+ [1831]=2,
+ [1832]=3,
+ [1833]=2,
+ [1834]=3,
+ [1835]=2,
+ [1836]=3,
+ [1837]=2,
+ [1838]=2,
+ [1839]=3,
+ [1840]=5,
+ [1841]=5,
+ [1842]=5,
+ [1843]=5,
+ [1844]=5,
+ [1845]=5,
+ [1846]=5,
+ [1847]=5,
+ [1848]=5,
+ [1849]=5,
+ [1850]=5,
+ [1851]=5,
+ [1852]=5,
+ [1853]=5,
+ [1854]=5,
+ [1855]=5,
+ [1856]=5,
+ [1857]=5,
+ [1858]=5,
+ [1859]=5,
+ [1860]=5,
+ [1861]=5,
+ [1862]=5,
+ [1863]=5,
+ [1864]=5,
+ [1865]=5,
+ [1866]=5,
+ [1869]=3,
+ [1870]=2,
+ [1871]=2,
+ [1872]=2,
+ [1873]=2,
+ [1874]=2,
+ [1875]=2,
+ [1876]=2,
+ [1877]=2,
+ [1878]=2,
+ [1879]=2,
+ [1880]=2,
+ [1881]=3,
+ [1882]=3,
+ [1883]=3,
+ [1884]=2,
+ [1885]=2,
+ [1886]=2,
+ [1887]=2,
+ [1888]=2,
+ [1889]=2,
+ [1890]=2,
+ [1891]=2,
+ [1892]=2,
+ [1893]=2,
+ [1894]=2,
+ [1895]=2,
+ [1896]=2,
+ [1897]=2,
+ [1898]=2,
+ [1899]=3,
+ [1900]=3,
+ [1901]=2,
+ [1902]=2,
+ [1903]=2,
+ [1904]=2,
+ [1905]=3,
+ [1906]=2,
+ [1907]=3,
+ [1908]=3,
+ [1909]=2,
+ [1910]=2,
+ [1911]=2,
+ [1912]=3,
+ [1913]=3,
+ [1914]=2,
+ [1915]=2,
+ [1916]=2,
+ [1917]=2,
+ [1918]=2,
+ [1919]=2,
+ [1958]=5,
+ [1959]=5,
+ [1960]=5,
+ [1961]=5,
+ [1962]=5,
+ [1963]=5,
+ [1964]=5,
+ [1965]=5,
+ [1966]=5,
+ [1967]=5,
+ [1968]=5,
+ [1984]=6,
+ [1985]=6,
+ [1986]=6,
+ [1987]=6,
+ [1988]=6,
+ [1989]=6,
+ [1990]=6,
+ [1991]=6,
+ [1992]=6,
+ [1993]=6,
+ [1994]=2,
+ [1995]=2,
+ [1996]=2,
+ [1997]=2,
+ [1998]=2,
+ [1999]=2,
+ [2000]=2,
+ [2001]=2,
+ [2002]=2,
+ [2003]=2,
+ [2004]=2,
+ [2005]=2,
+ [2006]=2,
+ [2007]=2,
+ [2008]=2,
+ [2009]=2,
+ [2010]=2,
+ [2011]=2,
+ [2012]=2,
+ [2013]=2,
+ [2014]=2,
+ [2015]=2,
+ [2016]=2,
+ [2017]=2,
+ [2018]=2,
+ [2019]=2,
+ [2020]=2,
+ [2021]=2,
+ [2022]=2,
+ [2023]=2,
+ [2024]=2,
+ [2025]=2,
+ [2026]=2,
+ [2027]=5,
+ [2028]=5,
+ [2029]=5,
+ [2030]=5,
+ [2031]=5,
+ [2032]=5,
+ [2033]=5,
+ [2034]=5,
+ [2035]=5,
+ [2036]=6,
+ [2037]=6,
+ [2038]=6,
+ [2039]=6,
+ [2040]=6,
+ [2041]=6,
+ [2042]=2,
+ [2070]=5,
+ [2071]=5,
+ [2072]=5,
+ [2073]=5,
+ [2075]=5,
+ [2076]=5,
+ [2077]=5,
+ [2078]=5,
+ [2079]=5,
+ [2080]=5,
+ [2081]=5,
+ [2082]=5,
+ [2083]=5,
+ [2085]=5,
+ [2086]=5,
+ [2087]=5,
+ [2089]=5,
+ [2090]=5,
+ [2091]=5,
+ [2092]=5,
+ [2093]=5,
+ [2112]=3,
+ [2113]=2,
+ [2114]=2,
+ [2115]=2,
+ [2116]=2,
+ [2117]=2,
+ [2118]=3,
+ [2119]=3,
+ [2120]=2,
+ [2121]=3,
+ [2122]=2,
+ [2123]=2,
+ [2124]=2,
+ [2125]=2,
+ [2126]=2,
+ [2127]=2,
+ [2128]=2,
+ [2129]=2,
+ [2130]=2,
+ [2131]=2,
+ [2132]=3,
+ [2133]=2,
+ [2134]=4,
+ [2135]=4,
+ [2136]=4,
+ [2137]=5,
+ [2138]=5,
+ [2139]=5,
+ [2144]=2,
+ [2145]=4,
+ [2146]=2,
+ [2147]=2,
+ [2148]=2,
+ [2149]=2,
+ [2150]=4,
+ [2151]=3,
+ [2152]=2,
+ [2153]=3,
+ [2154]=3,
+ [2208]=2,
+ [2209]=2,
+ [2210]=2,
+ [2211]=2,
+ [2212]=2,
+ [2213]=2,
+ [2214]=2,
+ [2215]=2,
+ [2216]=2,
+ [2217]=2,
+ [2218]=3,
+ [2219]=3,
+ [2220]=3,
+ [2221]=4,
+ [2222]=3,
+ [2223]=2,
+ [2224]=2,
+ [2225]=3,
+ [2226]=3,
+ [2227]=2,
+ [2228]=2,
+ [2230]=2,
+ [2231]=2,
+ [2232]=2,
+ [2233]=3,
+ [2234]=2,
+ [2235]=2,
+ [2236]=2,
+ [2237]=2,
+ [2260]=5,
+ [2261]=5,
+ [2262]=5,
+ [2263]=5,
+ [2264]=5,
+ [2265]=5,
+ [2266]=5,
+ [2267]=5,
+ [2268]=5,
+ [2269]=5,
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+ [3250]=true,
+ [3251]=true,
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+ [3254]=true,
+ [3255]=true,
+ [3256]=true,
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+ [3381]=true,
+ [3382]=true,
+ [3383]=true,
+ [3384]=true,
+ [3385]=true,
+ [3386]=true,
+ },
+ ["dependent_vowel"]={
+ [2362]=true,
+ [2363]=true,
+ [2366]=true,
+ [2367]=true,
+ [2368]=true,
+ [2369]=true,
+ [2370]=true,
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+ [3007]=true,
+ [3008]=true,
+ [3009]=true,
+ [3010]=true,
+ [3014]=true,
+ [3015]=true,
+ [3016]=true,
+ [3018]=true,
+ [3019]=true,
+ [3020]=true,
+ [3134]=true,
+ [3135]=true,
+ [3136]=true,
+ [3137]=true,
+ [3138]=true,
+ [3139]=true,
+ [3140]=true,
+ [3142]=true,
+ [3143]=true,
+ [3144]=true,
+ [3146]=true,
+ [3147]=true,
+ [3148]=true,
+ [3170]=true,
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+ [3265]=true,
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+ [3400]=true,
+ [3402]=true,
+ [3403]=true,
+ [3404]=true,
+ [3415]=true,
+ [3426]=true,
+ [3427]=true,
+ },
+ ["halant"]={
+ [2381]=true,
+ [2509]=true,
+ [2637]=true,
+ [2765]=true,
+ [2893]=true,
+ [3021]=true,
+ [3149]=true,
+ [3277]=true,
+ [3405]=true,
+ },
+ ["independent_vowel"]={
+ [2308]=true,
+ [2309]=true,
+ [2310]=true,
+ [2311]=true,
+ [2312]=true,
+ [2313]=true,
+ [2314]=true,
+ [2315]=true,
+ [2316]=true,
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+ [2318]=true,
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+ [2321]=true,
+ [2322]=true,
+ [2323]=true,
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+ [2400]=true,
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+ [2419]=true,
+ [2420]=true,
+ [2421]=true,
+ [2422]=true,
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+ [2439]=true,
+ [2440]=true,
+ [2441]=true,
+ [2442]=true,
+ [2443]=true,
+ [2444]=true,
+ [2447]=true,
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+ [2451]=true,
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+ [2528]=true,
+ [2529]=true,
+ [2530]=true,
+ [2531]=true,
+ [2565]=true,
+ [2566]=true,
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+ [2569]=true,
+ [2570]=true,
+ [2575]=true,
+ [2576]=true,
+ [2579]=true,
+ [2580]=true,
+ [2693]=true,
+ [2694]=true,
+ [2695]=true,
+ [2696]=true,
+ [2697]=true,
+ [2698]=true,
+ [2699]=true,
+ [2700]=true,
+ [2701]=true,
+ [2703]=true,
+ [2704]=true,
+ [2705]=true,
+ [2707]=true,
+ [2708]=true,
+ [2784]=true,
+ [2785]=true,
+ [2786]=true,
+ [2787]=true,
+ [2821]=true,
+ [2822]=true,
+ [2823]=true,
+ [2824]=true,
+ [2825]=true,
+ [2826]=true,
+ [2827]=true,
+ [2828]=true,
+ [2831]=true,
+ [2832]=true,
+ [2835]=true,
+ [2836]=true,
+ [2912]=true,
+ [2913]=true,
+ [2949]=true,
+ [2950]=true,
+ [2951]=true,
+ [2952]=true,
+ [2953]=true,
+ [2954]=true,
+ [2958]=true,
+ [2959]=true,
+ [2960]=true,
+ [2962]=true,
+ [2963]=true,
+ [2964]=true,
+ [3077]=true,
+ [3078]=true,
+ [3079]=true,
+ [3080]=true,
+ [3081]=true,
+ [3082]=true,
+ [3083]=true,
+ [3084]=true,
+ [3086]=true,
+ [3087]=true,
+ [3088]=true,
+ [3090]=true,
+ [3091]=true,
+ [3092]=true,
+ [3168]=true,
+ [3169]=true,
+ [3205]=true,
+ [3206]=true,
+ [3207]=true,
+ [3208]=true,
+ [3209]=true,
+ [3210]=true,
+ [3211]=true,
+ [3212]=true,
+ [3214]=true,
+ [3215]=true,
+ [3216]=true,
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+ [3220]=true,
+ [3296]=true,
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+ [3333]=true,
+ [3334]=true,
+ [3335]=true,
+ [3336]=true,
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+ [3338]=true,
+ [3339]=true,
+ [3340]=true,
+ [3342]=true,
+ [3343]=true,
+ [3344]=true,
+ [3346]=true,
+ [3347]=true,
+ [3348]=true,
+ [3423]=true,
+ [3424]=true,
+ [3425]=true,
+ },
+ ["nukta"]={
+ [2364]=true,
+ [2492]=true,
+ [2620]=true,
+ [2748]=true,
+ [2876]=true,
+ [3260]=true,
+ },
+ ["post_mark"]={
+ [2307]=true,
+ [2363]=true,
+ [2366]=true,
+ [2368]=true,
+ [2377]=true,
+ [2378]=true,
+ [2379]=true,
+ [2380]=true,
+ [2383]=true,
+ [2494]=true,
+ [2496]=true,
+ [2503]=true,
+ [2504]=true,
+ [2622]=true,
+ [2624]=true,
+ [2750]=true,
+ [2752]=true,
+ [2761]=true,
+ [2763]=true,
+ [2764]=true,
+ [2878]=true,
+ [2880]=true,
+ [3006]=true,
+ [3007]=true,
+ [3137]=true,
+ [3138]=true,
+ [3139]=true,
+ [3140]=true,
+ [3262]=true,
+ [3264]=true,
+ [3265]=true,
+ [3266]=true,
+ [3267]=true,
+ [3268]=true,
+ [3271]=true,
+ [3272]=true,
+ [3274]=true,
+ [3275]=true,
+ [3276]=true,
+ [3390]=true,
+ [3391]=true,
+ [3392]=true,
+ [3393]=true,
+ [3394]=true,
+ [3395]=true,
+ [3396]=true,
+ [3415]=true,
+ },
+ ["pre_mark"]={
+ [2367]=true,
+ [2382]=true,
+ [2495]=true,
+ [2623]=true,
+ [2751]=true,
+ [2887]=true,
+ [2888]=true,
+ [3014]=true,
+ [3015]=true,
+ [3016]=true,
+ [3398]=true,
+ [3399]=true,
+ [3400]=true,
+ },
+ ["ra"]={
+ [2352]=true,
+ [2480]=true,
+ [2608]=true,
+ [2736]=true,
+ [2864]=true,
+ [2992]=true,
+ [3120]=true,
+ [3248]=true,
+ [3376]=true,
+ },
+ ["stress_tone_mark"]={
+ [2385]=true,
+ [2386]=true,
+ [2387]=true,
+ [2388]=true,
+ [2507]=true,
+ [2508]=true,
+ [3277]=true,
+ [3405]=true,
+ },
+ ["twopart_mark"]={
+ [2891]={ 2887,2878 },
+ [2892]={ 2887,2903 },
+ [3018]={ 3014,3006 },
+ [3019]={ 3015,3006 },
+ [3020]={ 3014,3031 },
+ [3402]={ 3398,3390 },
+ [3403]={ 3399,3390 },
+ [3404]={ 3398,3415 },
+ },
+ ["vowel_modifier"]={
+ [2304]=true,
+ [2305]=true,
+ [2306]=true,
+ [2307]=true,
+ [3330]=true,
+ [3331]=true,
+ [43232]=true,
+ [43233]=true,
+ [43234]=true,
+ [43235]=true,
+ [43236]=true,
+ [43237]=true,
+ [43238]=true,
+ [43239]=true,
+ [43240]=true,
+ [43241]=true,
+ [43242]=true,
+ [43243]=true,
+ [43244]=true,
+ [43245]=true,
+ [43246]=true,
+ [43247]=true,
+ [43248]=true,
+ [43249]=true,
+ },
+}
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-ini']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local allocate=utilities.storage.allocate
+fonts=fonts or {}
+local fonts=fonts
+fonts.hashes=fonts.hashes or { identifiers=allocate() }
+fonts.tables=fonts.tables or {}
+fonts.helpers=fonts.helpers or {}
+fonts.tracers=fonts.tracers or {}
+fonts.specifiers=fonts.specifiers or {}
+fonts.analyzers={}
+fonts.readers={}
+fonts.definers={ methods={} }
+fonts.loggers={ register=function() end }
+if context then
+--removed
+
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['luatex-font-mis']={
+ version=1.001,
+ comment="companion to luatex-*.tex",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+if context then
+--removed
+
+end
+local currentfont=font.current
+local hashes=fonts.hashes
+local identifiers=hashes.identifiers or {}
+local marks=hashes.marks or {}
+hashes.identifiers=identifiers
+hashes.marks=marks
+table.setmetatableindex(marks,function(t,k)
+ if k==true then
+ return marks[currentfont()]
+ else
+ local resources=identifiers[k].resources or {}
+ local marks=resources.marks or {}
+ t[k]=marks
+ return marks
+ end
+end)
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-con']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next,tostring,tonumber,rawget=next,tostring,tonumber,rawget
+local format,match,lower,gsub,find=string.format,string.match,string.lower,string.gsub,string.find
+local sort,insert,concat=table.sort,table.insert,table.concat
+local sortedkeys,sortedhash,serialize,fastcopy=table.sortedkeys,table.sortedhash,table.serialize,table.fastcopy
+local derivetable=table.derive
+local ioflush=io.flush
+local round=math.round
+local setmetatable,getmetatable,rawget,rawset=setmetatable,getmetatable,rawget,rawset
+local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end)
+local trace_scaling=false trackers.register("fonts.scaling",function(v) trace_scaling=v end)
+local report_defining=logs.reporter("fonts","defining")
+local fonts=fonts
+local constructors=fonts.constructors or {}
+fonts.constructors=constructors
+local handlers=fonts.handlers or {}
+fonts.handlers=handlers
+local allocate=utilities.storage.allocate
+local setmetatableindex=table.setmetatableindex
+constructors.dontembed=allocate()
+constructors.autocleanup=true
+constructors.namemode="fullpath"
+constructors.version=1.01
+constructors.cache=containers.define("fonts","constructors",constructors.version,false)
+constructors.privateoffset=0xF0000
+constructors.cacheintex=true
+local designsizes=allocate()
+constructors.designsizes=designsizes
+local loadedfonts=allocate()
+constructors.loadedfonts=loadedfonts
+local factors={
+ pt=65536.0,
+ bp=65781.8,
+}
+function constructors.setfactor(f)
+ constructors.factor=factors[f or 'pt'] or factors.pt
+end
+constructors.setfactor()
+function constructors.scaled(scaledpoints,designsize)
+ if scaledpoints<0 then
+ local factor=constructors.factor
+ if designsize then
+ if designsize>factor then
+ return (- scaledpoints/1000)*designsize
+ else
+ return (- scaledpoints/1000)*designsize*factor
+ end
+ else
+ return (- scaledpoints/1000)*10*factor
+ end
+ else
+ return scaledpoints
+ end
+end
+function constructors.getprivate(tfmdata)
+ local properties=tfmdata.properties
+ local private=properties.private
+ properties.private=private+1
+ return private
+end
+function constructors.setmathparameter(tfmdata,name,value)
+ local m=tfmdata.mathparameters
+ local c=tfmdata.MathConstants
+ if m then
+ m[name]=value
+ end
+ if c and c~=m then
+ c[name]=value
+ end
+end
+function constructors.getmathparameter(tfmdata,name)
+ local p=tfmdata.mathparameters or tfmdata.MathConstants
+ if p then
+ return p[name]
+ end
+end
+function constructors.cleanuptable(tfmdata)
+ if constructors.autocleanup and tfmdata.properties.virtualized then
+ for k,v in next,tfmdata.characters do
+ if v.commands then v.commands=nil end
+ end
+ end
+end
+function constructors.calculatescale(tfmdata,scaledpoints)
+ local parameters=tfmdata.parameters
+ if scaledpoints<0 then
+ scaledpoints=(- scaledpoints/1000)*(tfmdata.designsize or parameters.designsize)
+ end
+ return scaledpoints,scaledpoints/(parameters.units or 1000)
+end
+local unscaled={
+ ScriptPercentScaleDown=true,
+ ScriptScriptPercentScaleDown=true,
+ RadicalDegreeBottomRaisePercent=true,
+ NoLimitSupFactor=true,
+ NoLimitSubFactor=true,
+}
+function constructors.assignmathparameters(target,original)
+ local mathparameters=original.mathparameters
+ if mathparameters and next(mathparameters) then
+ local targetparameters=target.parameters
+ local targetproperties=target.properties
+ local targetmathparameters={}
+ local factor=targetproperties.math_is_scaled and 1 or targetparameters.factor
+ for name,value in next,mathparameters do
+ if unscaled[name] then
+ targetmathparameters[name]=value
+ else
+ targetmathparameters[name]=value*factor
+ end
+ end
+ if not targetmathparameters.FractionDelimiterSize then
+ targetmathparameters.FractionDelimiterSize=1.01*targetparameters.size
+ end
+ if not mathparameters.FractionDelimiterDisplayStyleSize then
+ targetmathparameters.FractionDelimiterDisplayStyleSize=2.40*targetparameters.size
+ end
+ target.mathparameters=targetmathparameters
+ end
+end
+function constructors.beforecopyingcharacters(target,original)
+end
+function constructors.aftercopyingcharacters(target,original)
+end
+constructors.sharefonts=false
+constructors.nofsharedfonts=0
+local sharednames={}
+function constructors.trytosharefont(target,tfmdata)
+ if constructors.sharefonts then
+ local characters=target.characters
+ local n=1
+ local t={ target.psname }
+ local u=sortedkeys(characters)
+ for i=1,#u do
+ local k=u[i]
+ n=n+1;t[n]=k
+ n=n+1;t[n]=characters[k].index or k
+ end
+ local h=md5.HEX(concat(t," "))
+ local s=sharednames[h]
+ if s then
+ if trace_defining then
+ report_defining("font %a uses backend resources of font %a",target.fullname,s)
+ end
+ target.fullname=s
+ constructors.nofsharedfonts=constructors.nofsharedfonts+1
+ target.properties.sharedwith=s
+ else
+ sharednames[h]=target.fullname
+ end
+ end
+end
+local synonyms={
+ exheight="x_height",
+ xheight="x_height",
+ ex="x_height",
+ emwidth="quad",
+ em="quad",
+ spacestretch="space_stretch",
+ stretch="space_stretch",
+ spaceshrink="space_shrink",
+ shrink="space_shrink",
+ extraspace="extra_space",
+ xspace="extra_space",
+ slantperpoint="slant",
+}
+function constructors.enhanceparameters(parameters)
+ local mt=getmetatable(parameters)
+ local getter=function(t,k)
+ if not k then
+ return nil
+ end
+ local s=synonyms[k]
+ if s then
+ return rawget(t,s) or (mt and mt[s]) or nil
+ end
+ if k=="spacing" then
+ return {
+ width=t.space,
+ stretch=t.space_stretch,
+ shrink=t.space_shrink,
+ extra=t.extra_space,
+ }
+ end
+ return mt and mt[k] or nil
+ end
+ local setter=function(t,k,v)
+ if not k then
+ return 0
+ end
+ local s=synonyms[k]
+ if s then
+ rawset(t,s,v)
+ elseif k=="spacing" then
+ if type(v)=="table" then
+ rawset(t,"space",v.width or 0)
+ rawset(t,"space_stretch",v.stretch or 0)
+ rawset(t,"space_shrink",v.shrink or 0)
+ rawset(t,"extra_space",v.extra or 0)
+ end
+ else
+ rawset(t,k,v)
+ end
+ end
+ setmetatable(parameters,{
+ __index=getter,
+ __newindex=setter,
+ })
+end
+local function mathkerns(v,vdelta)
+ local k={}
+ for i=1,#v do
+ local entry=v[i]
+ local height=entry.height
+ local kern=entry.kern
+ k[i]={
+ height=height and vdelta*height or 0,
+ kern=kern and vdelta*kern or 0,
+ }
+ end
+ return k
+end
+local psfake=0
+local function fixedpsname(psname,fallback)
+ local usedname=psname
+ if psname and psname~="" then
+ if find(psname," ",1,true) then
+ usedname=gsub(psname,"[%s]+","-")
+ else
+ end
+ elseif not fallback or fallback=="" then
+ psfake=psfake+1
+ psname="fakename-"..psfake
+ else
+ psname=fallback
+ usedname=gsub(psname,"[^a-zA-Z0-9]+","-")
+ end
+ return usedname,psname~=usedname
+end
+function constructors.scale(tfmdata,specification)
+ local target={}
+ if tonumber(specification) then
+ specification={ size=specification }
+ end
+ target.specification=specification
+ local scaledpoints=specification.size
+ local relativeid=specification.relativeid
+ local properties=tfmdata.properties or {}
+ local goodies=tfmdata.goodies or {}
+ local resources=tfmdata.resources or {}
+ local descriptions=tfmdata.descriptions or {}
+ local characters=tfmdata.characters or {}
+ local changed=tfmdata.changed or {}
+ local shared=tfmdata.shared or {}
+ local parameters=tfmdata.parameters or {}
+ local mathparameters=tfmdata.mathparameters or {}
+ local targetcharacters={}
+ local targetdescriptions=derivetable(descriptions)
+ local targetparameters=derivetable(parameters)
+ local targetproperties=derivetable(properties)
+ local targetgoodies=goodies
+ target.characters=targetcharacters
+ target.descriptions=targetdescriptions
+ target.parameters=targetparameters
+ target.properties=targetproperties
+ target.goodies=targetgoodies
+ target.shared=shared
+ target.resources=resources
+ target.unscaled=tfmdata
+ local mathsize=tonumber(specification.mathsize) or 0
+ local textsize=tonumber(specification.textsize) or scaledpoints
+ local forcedsize=tonumber(parameters.mathsize ) or 0
+ local extrafactor=tonumber(specification.factor ) or 1
+ if (mathsize==2 or forcedsize==2) and parameters.scriptpercentage then
+ scaledpoints=parameters.scriptpercentage*textsize/100
+ elseif (mathsize==3 or forcedsize==3) and parameters.scriptscriptpercentage then
+ scaledpoints=parameters.scriptscriptpercentage*textsize/100
+ elseif forcedsize>1000 then
+ scaledpoints=forcedsize
+ else
+ end
+ targetparameters.mathsize=mathsize
+ targetparameters.textsize=textsize
+ targetparameters.forcedsize=forcedsize
+ targetparameters.extrafactor=extrafactor
+ local tounicode=fonts.mappings.tounicode
+ local defaultwidth=resources.defaultwidth or 0
+ local defaultheight=resources.defaultheight or 0
+ local defaultdepth=resources.defaultdepth or 0
+ local units=parameters.units or 1000
+ targetproperties.language=properties.language or "dflt"
+ targetproperties.script=properties.script or "dflt"
+ targetproperties.mode=properties.mode or "base"
+ local askedscaledpoints=scaledpoints
+ local scaledpoints,delta=constructors.calculatescale(tfmdata,scaledpoints,nil,specification)
+ local hdelta=delta
+ local vdelta=delta
+ target.designsize=parameters.designsize
+ target.units=units
+ target.units_per_em=units
+ local direction=properties.direction or tfmdata.direction or 0
+ target.direction=direction
+ properties.direction=direction
+ target.size=scaledpoints
+ target.encodingbytes=properties.encodingbytes or 1
+ target.embedding=properties.embedding or "subset"
+ target.tounicode=1
+ target.cidinfo=properties.cidinfo
+ target.format=properties.format
+ target.cache=constructors.cacheintex and "yes" or "renew"
+ local fontname=properties.fontname or tfmdata.fontname
+ local fullname=properties.fullname or tfmdata.fullname
+ local filename=properties.filename or tfmdata.filename
+ local psname=properties.psname or tfmdata.psname
+ local name=properties.name or tfmdata.name
+ local psname,psfixed=fixedpsname(psname,fontname or fullname or file.nameonly(filename))
+ target.fontname=fontname
+ target.fullname=fullname
+ target.filename=filename
+ target.psname=psname
+ target.name=name
+ properties.fontname=fontname
+ properties.fullname=fullname
+ properties.filename=filename
+ properties.psname=psname
+ properties.name=name
+ local expansion=parameters.expansion
+ if expansion then
+ target.stretch=expansion.stretch
+ target.shrink=expansion.shrink
+ target.step=expansion.step
+ end
+ local slantfactor=parameters.slantfactor or 0
+ if slantfactor~=0 then
+ target.slant=slantfactor*1000
+ else
+ target.slant=0
+ end
+ local extendfactor=parameters.extendfactor or 0
+ if extendfactor~=0 and extendfactor~=1 then
+ hdelta=hdelta*extendfactor
+ target.extend=extendfactor*1000
+ else
+ target.extend=1000
+ end
+ local squeezefactor=parameters.squeezefactor or 0
+ if squeezefactor~=0 and squeezefactor~=1 then
+ vdelta=vdelta*squeezefactor
+ target.squeeze=squeezefactor*1000
+ else
+ target.squeeze=1000
+ end
+ local mode=parameters.mode or 0
+ if mode~=0 then
+ target.mode=mode
+ end
+ local width=parameters.width or 0
+ if width~=0 then
+ target.width=width*delta*1000/655360
+ end
+ targetparameters.factor=delta
+ targetparameters.hfactor=hdelta
+ targetparameters.vfactor=vdelta
+ targetparameters.size=scaledpoints
+ targetparameters.units=units
+ targetparameters.scaledpoints=askedscaledpoints
+ targetparameters.mode=mode
+ targetparameters.width=width
+ local isvirtual=properties.virtualized or tfmdata.type=="virtual"
+ local hasquality=parameters.expansion or parameters.protrusion
+ local hasitalics=properties.hasitalics
+ local autoitalicamount=properties.autoitalicamount
+ local stackmath=not properties.nostackmath
+ local nonames=properties.noglyphnames
+ local haskerns=properties.haskerns or properties.mode=="base"
+ local hasligatures=properties.hasligatures or properties.mode=="base"
+ local realdimensions=properties.realdimensions
+ local writingmode=properties.writingmode or "horizontal"
+ local identity=properties.identity or "horizontal"
+ local vfonts=target.fonts
+ if vfonts and #vfonts>0 then
+ target.fonts=fastcopy(vfonts)
+ elseif isvirtual then
+ target.fonts={ { id=0 } }
+ end
+ if changed and not next(changed) then
+ changed=false
+ end
+ target.type=isvirtual and "virtual" or "real"
+ target.writingmode=writingmode=="vertical" and "vertical" or "horizontal"
+ target.identity=identity=="vertical" and "vertical" or "horizontal"
+ target.postprocessors=tfmdata.postprocessors
+ local targetslant=(parameters.slant or parameters[1] or 0)*factors.pt
+ local targetspace=(parameters.space or parameters[2] or 0)*hdelta
+ local targetspace_stretch=(parameters.space_stretch or parameters[3] or 0)*hdelta
+ local targetspace_shrink=(parameters.space_shrink or parameters[4] or 0)*hdelta
+ local targetx_height=(parameters.x_height or parameters[5] or 0)*vdelta
+ local targetquad=(parameters.quad or parameters[6] or 0)*hdelta
+ local targetextra_space=(parameters.extra_space or parameters[7] or 0)*hdelta
+ targetparameters.slant=targetslant
+ targetparameters.space=targetspace
+ targetparameters.space_stretch=targetspace_stretch
+ targetparameters.space_shrink=targetspace_shrink
+ targetparameters.x_height=targetx_height
+ targetparameters.quad=targetquad
+ targetparameters.extra_space=targetextra_space
+ local ascender=parameters.ascender
+ if ascender then
+ targetparameters.ascender=delta*ascender
+ end
+ local descender=parameters.descender
+ if descender then
+ targetparameters.descender=delta*descender
+ end
+ constructors.enhanceparameters(targetparameters)
+ local protrusionfactor=(targetquad~=0 and 1000/targetquad) or 0
+ local scaledwidth=defaultwidth*hdelta
+ local scaledheight=defaultheight*vdelta
+ local scaleddepth=defaultdepth*vdelta
+ local hasmath=(properties.hasmath or next(mathparameters)) and true
+ if hasmath then
+ constructors.assignmathparameters(target,tfmdata)
+ properties.hasmath=true
+ target.nomath=false
+ target.MathConstants=target.mathparameters
+ else
+ properties.hasmath=false
+ target.nomath=true
+ target.mathparameters=nil
+ end
+ if hasmath then
+ local mathitalics=properties.mathitalics
+ if mathitalics==false then
+ if trace_defining then
+ report_defining("%s italics %s for font %a, fullname %a, filename %a","math",hasitalics and "ignored" or "disabled",name,fullname,filename)
+ end
+ hasitalics=false
+ autoitalicamount=false
+ end
+ else
+ local textitalics=properties.textitalics
+ if textitalics==false then
+ if trace_defining then
+ report_defining("%s italics %s for font %a, fullname %a, filename %a","text",hasitalics and "ignored" or "disabled",name,fullname,filename)
+ end
+ hasitalics=false
+ autoitalicamount=false
+ end
+ end
+ if trace_defining then
+ report_defining("defining tfm, name %a, fullname %a, filename %a, %spsname %a, hscale %a, vscale %a, math %a, italics %a",
+ name,fullname,filename,psfixed and "(fixed) " or "",psname,hdelta,vdelta,
+ hasmath and "enabled" or "disabled",hasitalics and "enabled" or "disabled")
+ end
+ constructors.beforecopyingcharacters(target,tfmdata)
+ local sharedkerns={}
+ for unicode,character in next,characters do
+ local chr,description,index
+ if changed then
+ local c=changed[unicode]
+ if c and c~=unicode then
+ if c then
+ description=descriptions[c] or descriptions[unicode] or character
+ character=characters[c] or character
+ index=description.index or c
+ else
+ description=descriptions[unicode] or character
+ index=description.index or unicode
+ end
+ else
+ description=descriptions[unicode] or character
+ index=description.index or unicode
+ end
+ else
+ description=descriptions[unicode] or character
+ index=description.index or unicode
+ end
+ local width=description.width
+ local height=description.height
+ local depth=description.depth
+ if realdimensions then
+ if not height or height==0 then
+ local bb=description.boundingbox
+ local ht=bb[4]
+ if ht~=0 then
+ height=ht
+ end
+ if not depth or depth==0 then
+ local dp=-bb[2]
+ if dp~=0 then
+ depth=dp
+ end
+ end
+ elseif not depth or depth==0 then
+ local dp=-description.boundingbox[2]
+ if dp~=0 then
+ depth=dp
+ end
+ end
+ end
+ if width then width=hdelta*width else width=scaledwidth end
+ if height then height=vdelta*height else height=scaledheight end
+ if depth and depth~=0 then
+ depth=delta*depth
+ if nonames then
+ chr={
+ index=index,
+ height=height,
+ depth=depth,
+ width=width,
+ }
+ else
+ chr={
+ name=description.name,
+ index=index,
+ height=height,
+ depth=depth,
+ width=width,
+ }
+ end
+ else
+ if nonames then
+ chr={
+ index=index,
+ height=height,
+ width=width,
+ }
+ else
+ chr={
+ name=description.name,
+ index=index,
+ height=height,
+ width=width,
+ }
+ end
+ end
+ local isunicode=description.unicode
+ if isunicode then
+ chr.unicode=isunicode
+ chr.tounicode=tounicode(isunicode)
+ end
+ if hasquality then
+ local ve=character.expansion_factor
+ if ve then
+ chr.expansion_factor=ve*1000
+ end
+ local vl=character.left_protruding
+ if vl then
+ chr.left_protruding=protrusionfactor*width*vl
+ end
+ local vr=character.right_protruding
+ if vr then
+ chr.right_protruding=protrusionfactor*width*vr
+ end
+ end
+ if hasmath then
+ local vn=character.next
+ if vn then
+ chr.next=vn
+ else
+ local vv=character.vert_variants
+ if vv then
+ local t={}
+ for i=1,#vv do
+ local vvi=vv[i]
+ local s=vvi["start"] or 0
+ local e=vvi["end"] or 0
+ local a=vvi["advance"] or 0
+ t[i]={
+ ["start"]=s==0 and 0 or s*vdelta,
+ ["end"]=e==0 and 0 or e*vdelta,
+ ["advance"]=a==0 and 0 or a*vdelta,
+ ["extender"]=vvi["extender"],
+ ["glyph"]=vvi["glyph"],
+ }
+ end
+ chr.vert_variants=t
+ else
+ local hv=character.horiz_variants
+ if hv then
+ local t={}
+ for i=1,#hv do
+ local hvi=hv[i]
+ local s=hvi["start"] or 0
+ local e=hvi["end"] or 0
+ local a=hvi["advance"] or 0
+ t[i]={
+ ["start"]=s==0 and 0 or s*hdelta,
+ ["end"]=e==0 and 0 or e*hdelta,
+ ["advance"]=a==0 and 0 or a*hdelta,
+ ["extender"]=hvi["extender"],
+ ["glyph"]=hvi["glyph"],
+ }
+ end
+ chr.horiz_variants=t
+ end
+ end
+ end
+ local vi=character.vert_italic
+ if vi and vi~=0 then
+ chr.vert_italic=vi*hdelta
+ end
+ local va=character.accent
+ if va then
+ chr.top_accent=vdelta*va
+ end
+ if stackmath then
+ local mk=character.mathkerns
+ if mk then
+ local tr,tl,br,bl=mk.topright,mk.topleft,mk.bottomright,mk.bottomleft
+ chr.mathkern={
+ top_right=tr and mathkerns(tr,vdelta) or nil,
+ top_left=tl and mathkerns(tl,vdelta) or nil,
+ bottom_right=br and mathkerns(br,vdelta) or nil,
+ bottom_left=bl and mathkerns(bl,vdelta) or nil,
+ }
+ end
+ end
+ if hasitalics then
+ local vi=character.italic
+ if vi and vi~=0 then
+ chr.italic=vi*hdelta
+ end
+ end
+ elseif autoitalicamount then
+ local vi=description.italic
+ if not vi then
+ local bb=description.boundingbox
+ if bb then
+ local vi=bb[3]-description.width+autoitalicamount
+ if vi>0 then
+ chr.italic=vi*hdelta
+ end
+ else
+ end
+ elseif vi~=0 then
+ chr.italic=vi*hdelta
+ end
+ elseif hasitalics then
+ local vi=character.italic
+ if vi and vi~=0 then
+ chr.italic=vi*hdelta
+ end
+ end
+ if haskerns then
+ local vk=character.kerns
+ if vk then
+ local s=sharedkerns[vk]
+ if not s then
+ s={}
+ for k,v in next,vk do s[k]=v*hdelta end
+ sharedkerns[vk]=s
+ end
+ chr.kerns=s
+ end
+ end
+ if hasligatures then
+ local vl=character.ligatures
+ if vl then
+ if true then
+ chr.ligatures=vl
+ else
+ local tt={}
+ for i,l in next,vl do
+ tt[i]=l
+ end
+ chr.ligatures=tt
+ end
+ end
+ end
+ if isvirtual then
+ local vc=character.commands
+ if vc then
+ local ok=false
+ for i=1,#vc do
+ local key=vc[i][1]
+ if key=="right" or key=="down" or key=="rule" then
+ ok=true
+ break
+ end
+ end
+ if ok then
+ local tt={}
+ for i=1,#vc do
+ local ivc=vc[i]
+ local key=ivc[1]
+ if key=="right" then
+ tt[i]={ key,ivc[2]*hdelta }
+ elseif key=="down" then
+ tt[i]={ key,ivc[2]*vdelta }
+ elseif key=="rule" then
+ tt[i]={ key,ivc[2]*vdelta,ivc[3]*hdelta }
+ else
+ tt[i]=ivc
+ end
+ end
+ chr.commands=tt
+ else
+ chr.commands=vc
+ end
+ end
+ end
+ targetcharacters[unicode]=chr
+ end
+ properties.setitalics=hasitalics
+ constructors.aftercopyingcharacters(target,tfmdata)
+ constructors.trytosharefont(target,tfmdata)
+ local vfonts=target.fonts
+if isvirtual or target.type=="virtual" or properties.virtualized then
+ properties.virtualized=true
+target.type="virtual"
+ if not vfonts or #vfonts==0 then
+ target.fonts={ { id=0 } }
+ end
+ elseif vfonts then
+ properties.virtualized=true
+ target.type="virtual"
+ if #vfonts==0 then
+ target.fonts={ { id=0 } }
+ end
+ end
+ return target
+end
+function constructors.finalize(tfmdata)
+ if tfmdata.properties and tfmdata.properties.finalized then
+ return
+ end
+ if not tfmdata.characters then
+ return nil
+ end
+ if not tfmdata.goodies then
+ tfmdata.goodies={}
+ end
+ local parameters=tfmdata.parameters
+ if not parameters then
+ return nil
+ end
+ if not parameters.expansion then
+ parameters.expansion={
+ stretch=tfmdata.stretch or 0,
+ shrink=tfmdata.shrink or 0,
+ step=tfmdata.step or 0,
+ }
+ end
+ if not parameters.size then
+ parameters.size=tfmdata.size
+ end
+ if not parameters.mode then
+ parameters.mode=0
+ end
+ if not parameters.width then
+ parameters.width=0
+ end
+ if not parameters.slantfactor then
+ parameters.slantfactor=tfmdata.slant or 0
+ end
+ if not parameters.extendfactor then
+ parameters.extendfactor=tfmdata.extend or 0
+ end
+ if not parameters.squeezefactor then
+ parameters.squeezefactor=tfmdata.squeeze or 0
+ end
+ local designsize=parameters.designsize
+ if designsize then
+ parameters.minsize=tfmdata.minsize or designsize
+ parameters.maxsize=tfmdata.maxsize or designsize
+ else
+ designsize=factors.pt*10
+ parameters.designsize=designsize
+ parameters.minsize=designsize
+ parameters.maxsize=designsize
+ end
+ parameters.minsize=tfmdata.minsize or parameters.designsize
+ parameters.maxsize=tfmdata.maxsize or parameters.designsize
+ if not parameters.units then
+ parameters.units=tfmdata.units or tfmdata.units_per_em or 1000
+ end
+ if not tfmdata.descriptions then
+ local descriptions={}
+ setmetatableindex(descriptions,function(t,k) local v={} t[k]=v return v end)
+ tfmdata.descriptions=descriptions
+ end
+ local properties=tfmdata.properties
+ if not properties then
+ properties={}
+ tfmdata.properties=properties
+ end
+ if not properties.virtualized then
+ properties.virtualized=tfmdata.type=="virtual"
+ end
+ if not tfmdata.properties then
+ tfmdata.properties={
+ fontname=tfmdata.fontname,
+ filename=tfmdata.filename,
+ fullname=tfmdata.fullname,
+ name=tfmdata.name,
+ psname=tfmdata.psname,
+ encodingbytes=tfmdata.encodingbytes or 1,
+ embedding=tfmdata.embedding or "subset",
+ tounicode=tfmdata.tounicode or 1,
+ cidinfo=tfmdata.cidinfo or nil,
+ format=tfmdata.format or "type1",
+ direction=tfmdata.direction or 0,
+ writingmode=tfmdata.writingmode or "horizontal",
+ identity=tfmdata.identity or "horizontal",
+ }
+ end
+ if not tfmdata.resources then
+ tfmdata.resources={}
+ end
+ if not tfmdata.shared then
+ tfmdata.shared={}
+ end
+ if not properties.hasmath then
+ properties.hasmath=not tfmdata.nomath
+ end
+ tfmdata.MathConstants=nil
+ tfmdata.postprocessors=nil
+ tfmdata.fontname=nil
+ tfmdata.filename=nil
+ tfmdata.fullname=nil
+ tfmdata.name=nil
+ tfmdata.psname=nil
+ tfmdata.encodingbytes=nil
+ tfmdata.embedding=nil
+ tfmdata.tounicode=nil
+ tfmdata.cidinfo=nil
+ tfmdata.format=nil
+ tfmdata.direction=nil
+ tfmdata.type=nil
+ tfmdata.nomath=nil
+ tfmdata.designsize=nil
+ tfmdata.size=nil
+ tfmdata.stretch=nil
+ tfmdata.shrink=nil
+ tfmdata.step=nil
+ tfmdata.slant=nil
+ tfmdata.extend=nil
+ tfmdata.squeeze=nil
+ tfmdata.mode=nil
+ tfmdata.width=nil
+ tfmdata.units=nil
+ tfmdata.units_per_em=nil
+ tfmdata.cache=nil
+ properties.finalized=true
+ return tfmdata
+end
+local hashmethods={}
+constructors.hashmethods=hashmethods
+function constructors.hashfeatures(specification)
+ local features=specification.features
+ if features then
+ local t,n={},0
+ for category,list in sortedhash(features) do
+ if next(list) then
+ local hasher=hashmethods[category]
+ if hasher then
+ local hash=hasher(list)
+ if hash then
+ n=n+1
+ t[n]=category..":"..hash
+ end
+ end
+ end
+ end
+ if n>0 then
+ return concat(t," & ")
+ end
+ end
+ return "unknown"
+end
+hashmethods.normal=function(list)
+ local s={}
+ local n=0
+ for k,v in next,list do
+ if not k then
+ elseif k=="number" or k=="features" then
+ else
+ n=n+1
+ if type(v)=="table" then
+ local t={}
+ local m=0
+ for k,v in next,v do
+ m=m+1
+ t[m]=k..'='..tostring(v)
+ end
+ s[n]=k..'={'..concat(t,",").."}"
+ else
+ s[n]=k..'='..tostring(v)
+ end
+ end
+ end
+ if n>0 then
+ sort(s)
+ return concat(s,"+")
+ end
+end
+function constructors.hashinstance(specification,force)
+ local hash,size,fallbacks=specification.hash,specification.size,specification.fallbacks
+ if force or not hash then
+ hash=constructors.hashfeatures(specification)
+ specification.hash=hash
+ end
+ if size<1000 and designsizes[hash] then
+ size=round(constructors.scaled(size,designsizes[hash]))
+ else
+ size=round(size)
+ end
+ specification.size=size
+ if fallbacks then
+ return hash..' @ '..size..' @ '..fallbacks
+ else
+ return hash..' @ '..size
+ end
+end
+function constructors.setname(tfmdata,specification)
+ if constructors.namemode=="specification" then
+ local specname=specification.specification
+ if specname then
+ tfmdata.properties.name=specname
+ if trace_defining then
+ report_otf("overloaded fontname %a",specname)
+ end
+ end
+ end
+end
+function constructors.checkedfilename(data)
+ local foundfilename=data.foundfilename
+ if not foundfilename then
+ local askedfilename=data.filename or ""
+ if askedfilename~="" then
+ askedfilename=resolvers.resolve(askedfilename)
+ foundfilename=resolvers.findbinfile(askedfilename,"") or ""
+ if foundfilename=="" then
+ report_defining("source file %a is not found",askedfilename)
+ foundfilename=resolvers.findbinfile(file.basename(askedfilename),"") or ""
+ if foundfilename~="" then
+ report_defining("using source file %a due to cache mismatch",foundfilename)
+ end
+ end
+ end
+ data.foundfilename=foundfilename
+ end
+ return foundfilename
+end
+local formats=allocate()
+fonts.formats=formats
+setmetatableindex(formats,function(t,k)
+ local l=lower(k)
+ if rawget(t,k) then
+ t[k]=l
+ return l
+ end
+ return rawget(t,file.suffix(l))
+end)
+do
+ local function setindeed(mode,source,target,group,name,position)
+ local action=source[mode]
+ if not action then
+ return
+ end
+ local t=target[mode]
+ if not t then
+ report_defining("fatal error in setting feature %a, group %a, mode %a",name,group,mode)
+ os.exit()
+ elseif position then
+ insert(t,position,{ name=name,action=action })
+ else
+ for i=1,#t do
+ local ti=t[i]
+ if ti.name==name then
+ ti.action=action
+ return
+ end
+ end
+ insert(t,{ name=name,action=action })
+ end
+ end
+ local function set(group,name,target,source)
+ target=target[group]
+ if not target then
+ report_defining("fatal target error in setting feature %a, group %a",name,group)
+ os.exit()
+ end
+ local source=source[group]
+ if not source then
+ report_defining("fatal source error in setting feature %a, group %a",name,group)
+ os.exit()
+ end
+ local position=source.position
+ setindeed("node",source,target,group,name,position)
+ setindeed("base",source,target,group,name,position)
+ setindeed("plug",source,target,group,name,position)
+ end
+ local function register(where,specification)
+ local name=specification.name
+ if name and name~="" then
+ local default=specification.default
+ local description=specification.description
+ local initializers=specification.initializers
+ local processors=specification.processors
+ local manipulators=specification.manipulators
+ local modechecker=specification.modechecker
+ if default then
+ where.defaults[name]=default
+ end
+ if description and description~="" then
+ where.descriptions[name]=description
+ end
+ if initializers then
+ set('initializers',name,where,specification)
+ end
+ if processors then
+ set('processors',name,where,specification)
+ end
+ if manipulators then
+ set('manipulators',name,where,specification)
+ end
+ if modechecker then
+ where.modechecker=modechecker
+ end
+ end
+ end
+ constructors.registerfeature=register
+ function constructors.getfeatureaction(what,where,mode,name)
+ what=handlers[what].features
+ if what then
+ where=what[where]
+ if where then
+ mode=where[mode]
+ if mode then
+ for i=1,#mode do
+ local m=mode[i]
+ if m.name==name then
+ return m.action
+ end
+ end
+ end
+ end
+ end
+ end
+ local newfeatures={}
+ constructors.newfeatures=newfeatures
+ constructors.features=newfeatures
+ local function setnewfeatures(what)
+ local handler=handlers[what]
+ local features=handler.features
+ if not features then
+ local tables=handler.tables
+ local statistics=handler.statistics
+ features=allocate {
+ defaults={},
+ descriptions=tables and tables.features or {},
+ used=statistics and statistics.usedfeatures or {},
+ initializers={ base={},node={},plug={} },
+ processors={ base={},node={},plug={} },
+ manipulators={ base={},node={},plug={} },
+ }
+ features.register=function(specification) return register(features,specification) end
+ handler.features=features
+ end
+ return features
+ end
+ setmetatable(newfeatures,{
+ __call=function(t,k) local v=t[k] return v end,
+ __index=function(t,k) local v=setnewfeatures(k) t[k]=v return v end,
+ })
+end
+do
+ local newhandler={}
+ constructors.handlers=newhandler
+ constructors.newhandler=newhandler
+ local function setnewhandler(what)
+ local handler=handlers[what]
+ if not handler then
+ handler={}
+ handlers[what]=handler
+ end
+ return handler
+ end
+ setmetatable(newhandler,{
+ __call=function(t,k) local v=t[k] return v end,
+ __index=function(t,k) local v=setnewhandler(k) t[k]=v return v end,
+ })
+end
+do
+ local newenhancer={}
+ constructors.enhancers=newenhancer
+ constructors.newenhancer=newenhancer
+ local function setnewenhancer(format)
+ local handler=handlers[format]
+ local enhancers=handler.enhancers
+ if not enhancers then
+ local actions=allocate()
+ local before=allocate()
+ local after=allocate()
+ local order=allocate()
+ local known={}
+ local nofsteps=0
+ local patches={ before=before,after=after }
+ local trace=false
+ local report=logs.reporter("fonts",format.." enhancing")
+ trackers.register(format..".loading",function(v) trace=v end)
+ local function enhance(name,data,filename,raw)
+ local enhancer=actions[name]
+ if enhancer then
+ if trace then
+ report("apply enhancement %a to file %a",name,filename)
+ ioflush()
+ end
+ enhancer(data,filename,raw)
+ else
+ end
+ end
+ local function apply(data,filename,raw)
+ local basename=file.basename(lower(filename))
+ if trace then
+ report("%s enhancing file %a","start",filename)
+ end
+ ioflush()
+ for e=1,nofsteps do
+ local enhancer=order[e]
+ local b=before[enhancer]
+ if b then
+ for pattern,action in next,b do
+ if find(basename,pattern) then
+ action(data,filename,raw)
+ end
+ end
+ end
+ enhance(enhancer,data,filename,raw)
+ local a=after[enhancer]
+ if a then
+ for pattern,action in next,a do
+ if find(basename,pattern) then
+ action(data,filename,raw)
+ end
+ end
+ end
+ ioflush()
+ end
+ if trace then
+ report("%s enhancing file %a","stop",filename)
+ end
+ ioflush()
+ end
+ local function register(what,action)
+ if action then
+ if actions[what] then
+ else
+ nofsteps=nofsteps+1
+ order[nofsteps]=what
+ known[what]=nofsteps
+ end
+ actions[what]=action
+ else
+ report("bad enhancer %a",what)
+ end
+ end
+ local function patch(what,where,pattern,action)
+ local pw=patches[what]
+ if pw then
+ local ww=pw[where]
+ if ww then
+ ww[pattern]=action
+ else
+ pw[where]={ [pattern]=action }
+ if not known[where] then
+ nofsteps=nofsteps+1
+ order[nofsteps]=where
+ known[where]=nofsteps
+ end
+ end
+ end
+ end
+ enhancers={
+ register=register,
+ apply=apply,
+ patch=patch,
+ report=report,
+ patches={
+ register=patch,
+ report=report,
+ },
+ }
+ handler.enhancers=enhancers
+ end
+ return enhancers
+ end
+ setmetatable(newenhancer,{
+ __call=function(t,k) local v=t[k] return v end,
+ __index=function(t,k) local v=setnewenhancer(k) t[k]=v return v end,
+ })
+end
+function constructors.checkedfeatures(what,features)
+ local defaults=handlers[what].features.defaults
+ if features and next(features) then
+ features=fastcopy(features)
+ for key,value in next,defaults do
+ if features[key]==nil then
+ features[key]=value
+ end
+ end
+ return features
+ else
+ return fastcopy(defaults)
+ end
+end
+function constructors.initializefeatures(what,tfmdata,features,trace,report)
+ if features and next(features) then
+ local properties=tfmdata.properties or {}
+ local whathandler=handlers[what]
+ local whatfeatures=whathandler.features
+ local whatmodechecker=whatfeatures.modechecker
+ local mode=properties.mode or (whatmodechecker and whatmodechecker(tfmdata,features,features.mode)) or features.mode or "base"
+ properties.mode=mode
+ features.mode=mode
+ local done={}
+ while true do
+ local redo=false
+ local initializers=whatfeatures.initializers[mode]
+ if initializers then
+ for i=1,#initializers do
+ local step=initializers[i]
+ local feature=step.name
+ local value=features[feature]
+ if not value then
+ elseif done[feature] then
+ else
+ local action=step.action
+ if trace then
+ report("initializing feature %a to %a for mode %a for font %a",feature,
+ value,mode,tfmdata.properties.fullname)
+ end
+ action(tfmdata,value,features)
+ if mode~=properties.mode or mode~=features.mode then
+ if whatmodechecker then
+ properties.mode=whatmodechecker(tfmdata,features,properties.mode)
+ features.mode=properties.mode
+ end
+ if mode~=properties.mode then
+ mode=properties.mode
+ redo=true
+ end
+ end
+ done[feature]=true
+ end
+ if redo then
+ break
+ end
+ end
+ if not redo then
+ break
+ end
+ else
+ break
+ end
+ end
+ properties.mode=mode
+ return true
+ else
+ return false
+ end
+end
+function constructors.collectprocessors(what,tfmdata,features,trace,report)
+ local processes,nofprocesses={},0
+ if features and next(features) then
+ local properties=tfmdata.properties
+ local whathandler=handlers[what]
+ local whatfeatures=whathandler.features
+ local whatprocessors=whatfeatures.processors
+ local mode=properties.mode
+ local processors=whatprocessors[mode]
+ if processors then
+ for i=1,#processors do
+ local step=processors[i]
+ local feature=step.name
+ if features[feature] then
+ local action=step.action
+ if trace then
+ report("installing feature processor %a for mode %a for font %a",feature,mode,tfmdata.properties.fullname)
+ end
+ if action then
+ nofprocesses=nofprocesses+1
+ processes[nofprocesses]=action
+ end
+ end
+ end
+ elseif trace then
+ report("no feature processors for mode %a for font %a",mode,properties.fullname)
+ end
+ end
+ return processes
+end
+function constructors.applymanipulators(what,tfmdata,features,trace,report)
+ if features and next(features) then
+ local properties=tfmdata.properties
+ local whathandler=handlers[what]
+ local whatfeatures=whathandler.features
+ local whatmanipulators=whatfeatures.manipulators
+ local mode=properties.mode
+ local manipulators=whatmanipulators[mode]
+ if manipulators then
+ for i=1,#manipulators do
+ local step=manipulators[i]
+ local feature=step.name
+ local value=features[feature]
+ if value then
+ local action=step.action
+ if trace then
+ report("applying feature manipulator %a for mode %a for font %a",feature,mode,properties.fullname)
+ end
+ if action then
+ action(tfmdata,feature,value)
+ end
+ end
+ end
+ end
+ end
+end
+function constructors.addcoreunicodes(unicodes)
+ if not unicodes then
+ unicodes={}
+ end
+ unicodes.space=0x0020
+ unicodes.hyphen=0x002D
+ unicodes.zwj=0x200D
+ unicodes.zwnj=0x200C
+ return unicodes
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['luatex-font-enc']={
+ version=1.001,
+ comment="companion to luatex-*.tex",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+if context then
+--removed
+
+end
+local fonts=fonts
+local encodings={}
+fonts.encodings=encodings
+encodings.agl={}
+encodings.known={}
+setmetatable(encodings.agl,{ __index=function(t,k)
+ if k=="unicodes" then
+ logs.report("fonts","loading (extended) adobe glyph list")
+ local unicodes=dofile(resolvers.findfile("font-age.lua"))
+ encodings.agl={ unicodes=unicodes }
+ return unicodes
+ else
+ return nil
+ end
+end })
+encodings.cache=containers.define("fonts","enc",encodings.version,true)
+function encodings.load(filename)
+ local name=file.removesuffix(filename)
+ local data=containers.read(encodings.cache,name)
+ if data then
+ return data
+ end
+ local vector,tag,hash,unicodes={},"",{},{}
+ local foundname=resolvers.findfile(filename,'enc')
+ if foundname and foundname~="" then
+ local ok,encoding,size=resolvers.loadbinfile(foundname)
+ if ok and encoding then
+ encoding=string.gsub(encoding,"%%(.-)\n","")
+ local unicoding=encodings.agl.unicodes
+ local tag,vec=string.match(encoding,"/(%w+)%s*%[(.*)%]%s*def")
+ local i=0
+ for ch in string.gmatch(vec,"/([%a%d%.]+)") do
+ if ch~=".notdef" then
+ vector[i]=ch
+ if not hash[ch] then
+ hash[ch]=i
+ else
+ end
+ local u=unicoding[ch]
+ if u then
+ unicodes[u]=i
+ end
+ end
+ i=i+1
+ end
+ end
+ end
+ local data={
+ name=name,
+ tag=tag,
+ vector=vector,
+ hash=hash,
+ unicodes=unicodes
+ }
+ return containers.write(encodings.cache,name,data)
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-cid']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local format,match,lower=string.format,string.match,string.lower
+local tonumber=tonumber
+local P,S,R,C,V,lpegmatch=lpeg.P,lpeg.S,lpeg.R,lpeg.C,lpeg.V,lpeg.match
+local fonts,logs,trackers=fonts,logs,trackers
+local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end)
+local report_otf=logs.reporter("fonts","otf loading")
+local cid={}
+fonts.cid=cid
+local cidmap={}
+local cidmax=10
+local number=C(R("09","af","AF")^1)
+local space=S(" \n\r\t")
+local spaces=space^0
+local period=P(".")
+local periods=period*period
+local name=P("/")*C((1-space)^1)
+local unicodes,names={},{}
+local function do_one(a,b)
+ unicodes[tonumber(a)]=tonumber(b,16)
+end
+local function do_range(a,b,c)
+ c=tonumber(c,16)
+ for i=tonumber(a),tonumber(b) do
+ unicodes[i]=c
+ c=c+1
+ end
+end
+local function do_name(a,b)
+ names[tonumber(a)]=b
+end
+local grammar=P { "start",
+ start=number*spaces*number*V("series"),
+ series=(spaces*(V("one")+V("range")+V("named")))^1,
+ one=(number*spaces*number)/do_one,
+ range=(number*periods*number*spaces*number)/do_range,
+ named=(number*spaces*name)/do_name
+}
+local function loadcidfile(filename)
+ local data=io.loaddata(filename)
+ if data then
+ unicodes,names={},{}
+ lpegmatch(grammar,data)
+ local supplement,registry,ordering=match(filename,"^(.-)%-(.-)%-()%.(.-)$")
+ return {
+ supplement=supplement,
+ registry=registry,
+ ordering=ordering,
+ filename=filename,
+ unicodes=unicodes,
+ names=names,
+ }
+ end
+end
+cid.loadfile=loadcidfile
+local template="%s-%s-%s.cidmap"
+local function locate(registry,ordering,supplement)
+ local filename=format(template,registry,ordering,supplement)
+ local hashname=lower(filename)
+ local found=cidmap[hashname]
+ if not found then
+ if trace_loading then
+ report_otf("checking cidmap, registry %a, ordering %a, supplement %a, filename %a",registry,ordering,supplement,filename)
+ end
+ local fullname=resolvers.findfile(filename,'cid') or ""
+ if fullname~="" then
+ found=loadcidfile(fullname)
+ if found then
+ if trace_loading then
+ report_otf("using cidmap file %a",filename)
+ end
+ cidmap[hashname]=found
+ found.usedname=file.basename(filename)
+ end
+ end
+ end
+ return found
+end
+function cid.getmap(specification)
+ if not specification then
+ report_otf("invalid cidinfo specification, table expected")
+ return
+ end
+ local registry=specification.registry
+ local ordering=specification.ordering
+ local supplement=specification.supplement
+ local filename=format(registry,ordering,supplement)
+ local lowername=lower(filename)
+ local found=cidmap[lowername]
+ if found then
+ return found
+ end
+ if ordering=="Identity" then
+ local found={
+ supplement=supplement,
+ registry=registry,
+ ordering=ordering,
+ filename=filename,
+ unicodes={},
+ names={},
+ }
+ cidmap[lowername]=found
+ return found
+ end
+ if trace_loading then
+ report_otf("cidmap needed, registry %a, ordering %a, supplement %a",registry,ordering,supplement)
+ end
+ found=locate(registry,ordering,supplement)
+ if not found then
+ local supnum=tonumber(supplement)
+ local cidnum=nil
+ if supnum<cidmax then
+ for s=supnum+1,cidmax do
+ local c=locate(registry,ordering,s)
+ if c then
+ found,cidnum=c,s
+ break
+ end
+ end
+ end
+ if not found and supnum>0 then
+ for s=supnum-1,0,-1 do
+ local c=locate(registry,ordering,s)
+ if c then
+ found,cidnum=c,s
+ break
+ end
+ end
+ end
+ registry=lower(registry)
+ ordering=lower(ordering)
+ if found and cidnum>0 then
+ for s=0,cidnum-1 do
+ local filename=format(template,registry,ordering,s)
+ if not cidmap[filename] then
+ cidmap[filename]=found
+ end
+ end
+ end
+ end
+ return found
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-map']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local tonumber,next,type=tonumber,next,type
+local match,format,find,concat,gsub,lower=string.match,string.format,string.find,table.concat,string.gsub,string.lower
+local P,R,S,C,Ct,Cc,lpegmatch=lpeg.P,lpeg.R,lpeg.S,lpeg.C,lpeg.Ct,lpeg.Cc,lpeg.match
+local formatters=string.formatters
+local sortedhash,sortedkeys=table.sortedhash,table.sortedkeys
+local rshift=bit32.rshift
+local trace_loading=false trackers.register("fonts.loading",function(v) trace_loading=v end)
+local trace_mapping=false trackers.register("fonts.mapping",function(v) trace_mapping=v end)
+local report_fonts=logs.reporter("fonts","loading")
+local force_ligatures=false directives.register("fonts.mapping.forceligatures",function(v) force_ligatures=v end)
+local fonts=fonts or {}
+local mappings=fonts.mappings or {}
+fonts.mappings=mappings
+local allocate=utilities.storage.allocate
+local hex=R("AF","af","09")
+local hexfour=(hex*hex*hex^-2)/function(s) return tonumber(s,16) end
+local hexsix=(hex*hex*hex^-4)/function(s) return tonumber(s,16) end
+local dec=(R("09")^1)/tonumber
+local period=P(".")
+local unicode=(P("uni")+P("UNI"))*(hexfour*(period+P(-1))*Cc(false)+Ct(hexfour^1)*Cc(true))
+local ucode=(P("u")+P("U") )*(hexsix*(period+P(-1))*Cc(false)+Ct(hexsix^1)*Cc(true))
+local index=P("index")*dec*Cc(false)
+local parser=unicode+ucode+index
+local parsers={}
+local function makenameparser(str)
+ if not str or str=="" then
+ return parser
+ else
+ local p=parsers[str]
+ if not p then
+ p=P(str)*period*dec*Cc(false)
+ parsers[str]=p
+ end
+ return p
+ end
+end
+local f_single=formatters["%04X"]
+local f_double=formatters["%04X%04X"]
+local function tounicode16(unicode)
+ if unicode<0xD7FF or (unicode>0xDFFF and unicode<=0xFFFF) then
+ return f_single(unicode)
+ else
+ unicode=unicode-0x10000
+ return f_double(rshift(unicode,10)+0xD800,unicode%1024+0xDC00)
+ end
+end
+local function tounicode16sequence(unicodes)
+ local t={}
+ for l=1,#unicodes do
+ local u=unicodes[l]
+ if u<0xD7FF or (u>0xDFFF and u<=0xFFFF) then
+ t[l]=f_single(u)
+ else
+ u=u-0x10000
+ t[l]=f_double(rshift(u,10)+0xD800,u%1024+0xDC00)
+ end
+ end
+ return concat(t)
+end
+local unknown=f_single(0xFFFD)
+local hash=table.setmetatableindex(function(t,k)
+ local v
+ if k>=0x00E000 and k<=0x00F8FF then
+ v=unknown
+ elseif k>=0x0F0000 and k<=0x0FFFFF then
+ v=unknown
+ elseif k>=0x100000 and k<=0x10FFFF then
+ v=unknown
+ elseif k<0xD7FF or (k>0xDFFF and k<=0xFFFF) then
+ v=f_single(k)
+ else
+ v=k-0x10000
+ v=f_double(rshift(k,10)+0xD800,k%1024+0xDC00)
+ end
+ t[k]=v
+ return v
+end)
+table.makeweak(hash)
+local function tounicode(unicode,name)
+ if type(unicode)=="table" then
+ local t={}
+ for l=1,#unicode do
+ t[l]=hash[unicode[l]]
+ end
+ return concat(t)
+ else
+ return hash[unicode]
+ end
+end
+local function fromunicode16(str)
+ if #str==4 then
+ return tonumber(str,16)
+ else
+ local l,r=match(str,"(....)(....)")
+ return 0x10000+(tonumber(l,16)-0xD800)*0x400+tonumber(r,16)-0xDC00
+ end
+end
+mappings.makenameparser=makenameparser
+mappings.tounicode=tounicode
+mappings.tounicode16=tounicode16
+mappings.tounicode16sequence=tounicode16sequence
+mappings.fromunicode16=fromunicode16
+local ligseparator=P("_")
+local varseparator=P(".")
+local namesplitter=Ct(C((1-ligseparator-varseparator)^1)*(ligseparator*C((1-ligseparator-varseparator)^1))^0)
+do
+ local overloads={
+ IJ={ name="I_J",unicode={ 0x49,0x4A },mess=0x0132 },
+ ij={ name="i_j",unicode={ 0x69,0x6A },mess=0x0133 },
+ ff={ name="f_f",unicode={ 0x66,0x66 },mess=0xFB00 },
+ fi={ name="f_i",unicode={ 0x66,0x69 },mess=0xFB01 },
+ fl={ name="f_l",unicode={ 0x66,0x6C },mess=0xFB02 },
+ ffi={ name="f_f_i",unicode={ 0x66,0x66,0x69 },mess=0xFB03 },
+ ffl={ name="f_f_l",unicode={ 0x66,0x66,0x6C },mess=0xFB04 },
+ fj={ name="f_j",unicode={ 0x66,0x6A } },
+ fk={ name="f_k",unicode={ 0x66,0x6B } },
+ }
+ local o=allocate {}
+ for k,v in next,overloads do
+ local name=v.name
+ local mess=v.mess
+ if name then
+ o[name]=v
+ end
+ if mess then
+ o[mess]=v
+ end
+ o[k]=v
+ end
+ mappings.overloads=o
+end
+function mappings.addtounicode(data,filename,checklookups,forceligatures)
+ local resources=data.resources
+ local unicodes=resources.unicodes
+ if not unicodes then
+ if trace_mapping then
+ report_fonts("no unicode list, quitting tounicode for %a",filename)
+ end
+ return
+ end
+ local properties=data.properties
+ local descriptions=data.descriptions
+ local overloads=mappings.overloads
+ unicodes['space']=unicodes['space'] or 32
+ unicodes['hyphen']=unicodes['hyphen'] or 45
+ unicodes['zwj']=unicodes['zwj'] or 0x200D
+ unicodes['zwnj']=unicodes['zwnj'] or 0x200C
+ local private=fonts.constructors and fonts.constructors.privateoffset or 0xF0000
+ local unicodevector=fonts.encodings.agl.unicodes or {}
+ local contextvector=fonts.encodings.agl.ctxcodes or {}
+ local missing={}
+ local nofmissing=0
+ local oparser=nil
+ local cidnames=nil
+ local cidcodes=nil
+ local cidinfo=properties.cidinfo
+ local usedmap=cidinfo and fonts.cid.getmap(cidinfo)
+ local uparser=makenameparser()
+ if usedmap then
+ oparser=usedmap and makenameparser(cidinfo.ordering)
+ cidnames=usedmap.names
+ cidcodes=usedmap.unicodes
+ end
+ local ns=0
+ local nl=0
+ local dlist=sortedkeys(descriptions)
+ for i=1,#dlist do
+ local du=dlist[i]
+ local glyph=descriptions[du]
+ local name=glyph.name
+ if name then
+ local overload=overloads[name] or overloads[du]
+ if overload then
+ glyph.unicode=overload.unicode
+ else
+ local gu=glyph.unicode
+ if not gu or gu==-1 or du>=private or (du>=0xE000 and du<=0xF8FF) or du==0xFFFE or du==0xFFFF then
+ local unicode=unicodevector[name] or contextvector[name]
+ if unicode then
+ glyph.unicode=unicode
+ ns=ns+1
+ end
+ if (not unicode) and usedmap then
+ local foundindex=lpegmatch(oparser,name)
+ if foundindex then
+ unicode=cidcodes[foundindex]
+ if unicode then
+ glyph.unicode=unicode
+ ns=ns+1
+ else
+ local reference=cidnames[foundindex]
+ if reference then
+ local foundindex=lpegmatch(oparser,reference)
+ if foundindex then
+ unicode=cidcodes[foundindex]
+ if unicode then
+ glyph.unicode=unicode
+ ns=ns+1
+ end
+ end
+ if not unicode or unicode=="" then
+ local foundcodes,multiple=lpegmatch(uparser,reference)
+ if foundcodes then
+ glyph.unicode=foundcodes
+ if multiple then
+ nl=nl+1
+ unicode=true
+ else
+ ns=ns+1
+ unicode=foundcodes
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ if not unicode or unicode=="" then
+ local split=lpegmatch(namesplitter,name)
+ local nsplit=split and #split or 0
+ if nsplit==0 then
+ elseif nsplit==1 then
+ local base=split[1]
+ local u=unicodes[base] or unicodevector[base] or contextvector[name]
+ if not u then
+ elseif type(u)=="table" then
+ if u[1]<private then
+ unicode=u
+ glyph.unicode=unicode
+ end
+ elseif u<private then
+ unicode=u
+ glyph.unicode=unicode
+ end
+ else
+ local t,n={},0
+ for l=1,nsplit do
+ local base=split[l]
+ local u=unicodes[base] or unicodevector[base] or contextvector[name]
+ if not u then
+ break
+ elseif type(u)=="table" then
+ if u[1]>=private then
+ break
+ end
+ n=n+1
+ t[n]=u[1]
+ else
+ if u>=private then
+ break
+ end
+ n=n+1
+ t[n]=u
+ end
+ end
+ if n>0 then
+ if n==1 then
+ unicode=t[1]
+ else
+ unicode=t
+ end
+ glyph.unicode=unicode
+ end
+ end
+ nl=nl+1
+ end
+ if not unicode or unicode=="" then
+ local foundcodes,multiple=lpegmatch(uparser,name)
+ if foundcodes then
+ glyph.unicode=foundcodes
+ if multiple then
+ nl=nl+1
+ unicode=true
+ else
+ ns=ns+1
+ unicode=foundcodes
+ end
+ end
+ end
+ local r=overloads[unicode]
+ if r then
+ unicode=r.unicode
+ glyph.unicode=unicode
+ end
+ if not unicode then
+ missing[du]=true
+ nofmissing=nofmissing+1
+ end
+ end
+ end
+ else
+ local overload=overloads[du]
+ if overload then
+ glyph.unicode=overload.unicode
+ end
+ end
+ end
+ if type(checklookups)=="function" then
+ checklookups(data,missing,nofmissing)
+ end
+ local unicoded=0
+ local collected=fonts.handlers.otf.readers.getcomponents(data)
+ local function resolve(glyph,u)
+ local n=#u
+ for i=1,n do
+ if u[i]>private then
+ n=0
+ break
+ end
+ end
+ if n>0 then
+ if n>1 then
+ glyph.unicode=u
+ else
+ glyph.unicode=u[1]
+ end
+ unicoded=unicoded+1
+ end
+ end
+ if not collected then
+ elseif forceligatures or force_ligatures then
+ for i=1,#dlist do
+ local du=dlist[i]
+ if du>=private or (du>=0xE000 and du<=0xF8FF) then
+ local u=collected[du]
+ if u then
+ resolve(descriptions[du],u)
+ end
+ end
+ end
+ else
+ for i=1,#dlist do
+ local du=dlist[i]
+ if du>=private or (du>=0xE000 and du<=0xF8FF) then
+ local glyph=descriptions[du]
+ if glyph.class=="ligature" and not glyph.unicode then
+ local u=collected[du]
+ if u then
+ resolve(glyph,u)
+ end
+ end
+ end
+ end
+ end
+ if trace_mapping and unicoded>0 then
+ report_fonts("%n ligature tounicode mappings deduced from gsub ligature features",unicoded)
+ end
+ if trace_mapping then
+ for i=1,#dlist do
+ local du=dlist[i]
+ local glyph=descriptions[du]
+ local name=glyph.name or "-"
+ local index=glyph.index or 0
+ local unicode=glyph.unicode
+ if unicode then
+ if type(unicode)=="table" then
+ local unicodes={}
+ for i=1,#unicode do
+ unicodes[i]=formatters("%U",unicode[i])
+ end
+ report_fonts("internal slot %U, name %a, unicode %U, tounicode % t",index,name,du,unicodes)
+ else
+ report_fonts("internal slot %U, name %a, unicode %U, tounicode %U",index,name,du,unicode)
+ end
+ else
+ report_fonts("internal slot %U, name %a, unicode %U",index,name,du)
+ end
+ end
+ end
+ if trace_loading and (ns>0 or nl>0) then
+ report_fonts("%s tounicode entries added, ligatures %s",nl+ns,ns)
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['luatex-fonts-syn']={
+ version=1.001,
+ comment="companion to luatex-*.tex",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+if context then
+--removed
+
+end
+local fonts=fonts
+fonts.names=fonts.names or {}
+fonts.names.version=1.001
+fonts.names.basename="luatex-fonts-names"
+fonts.names.cache=containers.define("fonts","data",fonts.names.version,true)
+local data=nil
+local loaded=false
+local fileformats={ "lua","tex","other text files" }
+function fonts.names.reportmissingbase()
+ logs.report("fonts","missing font database, run: mtxrun --script fonts --reload --simple")
+ fonts.names.reportmissingbase=nil
+end
+function fonts.names.reportmissingname()
+ logs.report("fonts","unknown font in font database, run: mtxrun --script fonts --reload --simple")
+ fonts.names.reportmissingname=nil
+end
+function fonts.names.resolve(name,sub)
+ if not loaded then
+ local basename=fonts.names.basename
+ if basename and basename~="" then
+ data=containers.read(fonts.names.cache,basename)
+ if not data then
+ basename=file.addsuffix(basename,"lua")
+ for i=1,#fileformats do
+ local format=fileformats[i]
+ local foundname=resolvers.findfile(basename,format) or ""
+ if foundname~="" then
+ data=dofile(foundname)
+ logs.report("fonts","font database '%s' loaded",foundname)
+ break
+ end
+ end
+ end
+ end
+ loaded=true
+ end
+ if type(data)=="table" and data.version==fonts.names.version then
+ local condensed=string.gsub(string.lower(name),"[^%a%d]","")
+ local found=data.mappings and data.mappings[condensed]
+ if found then
+ local fontname,filename,subfont=found[1],found[2],found[3]
+ if subfont then
+ return filename,fontname
+ else
+ return filename,false
+ end
+ elseif fonts.names.reportmissingname then
+ fonts.names.reportmissingname()
+ return name,false
+ end
+ elseif fonts.names.reportmissingbase then
+ fonts.names.reportmissingbase()
+ end
+end
+fonts.names.resolvespec=fonts.names.resolve
+function fonts.names.getfilename(askedname,suffix)
+ return ""
+end
+function fonts.names.ignoredfile(filename)
+ return false
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-vfc']={
+ version=1.001,
+ comment="companion to font-ini.mkiv and hand-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local select=select
+local insert=table.insert
+local fonts=fonts
+local helpers=fonts.helpers
+local setmetatableindex=table.setmetatableindex
+local makeweak=table.makeweak
+local push={ "push" }
+local pop={ "pop" }
+local dummy={ "comment" }
+function helpers.prependcommands(commands,...)
+ insert(commands,1,push)
+ for i=select("#",...),1,-1 do
+ local s=select(i,...)
+ if s then
+ insert(commands,1,s)
+ end
+ end
+ insert(commands,pop)
+ return commands
+end
+function helpers.appendcommands(commands,...)
+ insert(commands,1,push)
+ insert(commands,pop)
+ for i=1,select("#",...) do
+ local s=select(i,...)
+ if s then
+ insert(commands,s)
+ end
+ end
+ return commands
+end
+local char=setmetatableindex(function(t,k)
+ local v={ "slot",0,k }
+ t[k]=v
+ return v
+end)
+local right=setmetatableindex(function(t,k)
+ local v={ "right",k }
+ t[k]=v
+ return v
+end)
+local left=setmetatableindex(function(t,k)
+ local v={ "right",-k }
+ t[k]=v
+ return v
+end)
+local down=setmetatableindex(function(t,k)
+ local v={ "down",k }
+ t[k]=v
+ return v
+end)
+local up=setmetatableindex(function(t,k)
+ local v={ "down",-k }
+ t[k]=v
+ return v
+end)
+helpers.commands=utilities.storage.allocate {
+ char=char,
+ right=right,
+ left=left,
+ down=down,
+ up=up,
+ push=push,
+ pop=pop,
+ dummy=dummy,
+}
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-otr']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next,type,tonumber=next,type,tonumber
+local byte,lower,char,gsub=string.byte,string.lower,string.char,string.gsub
+local floor,round=math.floor,math.round
+local P,R,S,C,Cs,Cc,Ct,Carg,Cmt=lpeg.P,lpeg.R,lpeg.S,lpeg.C,lpeg.Cs,lpeg.Cc,lpeg.Ct,lpeg.Carg,lpeg.Cmt
+local lpegmatch=lpeg.match
+local rshift=bit32.rshift
+local setmetatableindex=table.setmetatableindex
+local formatters=string.formatters
+local sortedkeys=table.sortedkeys
+local sortedhash=table.sortedhash
+local stripstring=string.nospaces
+local utf16_to_utf8_be=utf.utf16_to_utf8_be
+local report=logs.reporter("otf reader")
+local trace_cmap=false
+local trace_cmap_detail=false
+fonts=fonts or {}
+local handlers=fonts.handlers or {}
+fonts.handlers=handlers
+local otf=handlers.otf or {}
+handlers.otf=otf
+local readers=otf.readers or {}
+otf.readers=readers
+local streamreader=utilities.files
+local streamwriter=utilities.files
+readers.streamreader=streamreader
+readers.streamwriter=streamwriter
+local openfile=streamreader.open
+local closefile=streamreader.close
+local setposition=streamreader.setposition
+local skipshort=streamreader.skipshort
+local readbytes=streamreader.readbytes
+local readstring=streamreader.readstring
+local readbyte=streamreader.readcardinal1
+local readushort=streamreader.readcardinal2
+local readuint=streamreader.readcardinal3
+local readulong=streamreader.readcardinal4
+local readshort=streamreader.readinteger2
+local readlong=streamreader.readinteger4
+local readfixed=streamreader.readfixed4
+local read2dot14=streamreader.read2dot14
+local readfword=readshort
+local readufword=readushort
+local readoffset=readushort
+local readcardinaltable=streamreader.readcardinaltable
+local readintegertable=streamreader.readintegertable
+function streamreader.readtag(f)
+ return lower(stripstring(readstring(f,4)))
+end
+local short=2
+local ushort=2
+local ulong=4
+directives.register("fonts.streamreader",function()
+ streamreader=utilities.streams
+ openfile=streamreader.open
+ closefile=streamreader.close
+ setposition=streamreader.setposition
+ skipshort=streamreader.skipshort
+ readbytes=streamreader.readbytes
+ readstring=streamreader.readstring
+ readbyte=streamreader.readcardinal1
+ readushort=streamreader.readcardinal2
+ readuint=streamreader.readcardinal3
+ readulong=streamreader.readcardinal4
+ readshort=streamreader.readinteger2
+ readlong=streamreader.readinteger4
+ readfixed=streamreader.readfixed4
+ read2dot14=streamreader.read2dot14
+ readfword=readshort
+ readufword=readushort
+ readoffset=readushort
+ readcardinaltable=streamreader.readcardinaltable
+ readintegertable=streamreader.readintegertable
+ function streamreader.readtag(f)
+ return lower(stripstring(readstring(f,4)))
+ end
+end)
+local function readlongdatetime(f)
+ local a,b,c,d,e,f,g,h=readbytes(f,8)
+ return 0x100000000*d+0x1000000*e+0x10000*f+0x100*g+h
+end
+local tableversion=0.004
+readers.tableversion=tableversion
+local privateoffset=fonts.constructors and fonts.constructors.privateoffset or 0xF0000
+local reservednames={ [0]="copyright",
+ "family",
+ "subfamily",
+ "uniqueid",
+ "fullname",
+ "version",
+ "postscriptname",
+ "trademark",
+ "manufacturer",
+ "designer",
+ "description",
+ "vendorurl",
+ "designerurl",
+ "license",
+ "licenseurl",
+ "reserved",
+ "typographicfamily",
+ "typographicsubfamily",
+ "compatiblefullname",
+ "sampletext",
+ "cidfindfontname",
+ "wwsfamily",
+ "wwssubfamily",
+ "lightbackgroundpalette",
+ "darkbackgroundpalette",
+ "variationspostscriptnameprefix",
+}
+local platforms={ [0]="unicode",
+ "macintosh",
+ "iso",
+ "windows",
+ "custom",
+}
+local encodings={
+ unicode={ [0]="unicode 1.0 semantics",
+ "unicode 1.1 semantics",
+ "iso/iec 10646",
+ "unicode 2.0 bmp",
+ "unicode 2.0 full",
+ "unicode variation sequences",
+ "unicode full repertoire",
+ },
+ macintosh={ [0]="roman","japanese","chinese (traditional)","korean","arabic","hebrew","greek","russian",
+ "rsymbol","devanagari","gurmukhi","gujarati","oriya","bengali","tamil","telugu","kannada",
+ "malayalam","sinhalese","burmese","khmer","thai","laotian","georgian","armenian",
+ "chinese (simplified)","tibetan","mongolian","geez","slavic","vietnamese","sindhi",
+ "uninterpreted",
+ },
+ iso={ [0]="7-bit ascii",
+ "iso 10646",
+ "iso 8859-1",
+ },
+ windows={ [0]="symbol",
+ "unicode bmp",
+ "shiftjis",
+ "prc",
+ "big5",
+ "wansung",
+ "johab",
+ "reserved 7",
+ "reserved 8",
+ "reserved 9",
+ "unicode ucs-4",
+ },
+ custom={
+ }
+}
+local decoders={
+ unicode={},
+ macintosh={},
+ iso={},
+ windows={
+ ["unicode semantics"]=utf16_to_utf8_be,
+ ["unicode bmp"]=utf16_to_utf8_be,
+ ["unicode full"]=utf16_to_utf8_be,
+ ["unicode 1.0 semantics"]=utf16_to_utf8_be,
+ ["unicode 1.1 semantics"]=utf16_to_utf8_be,
+ ["unicode 2.0 bmp"]=utf16_to_utf8_be,
+ ["unicode 2.0 full"]=utf16_to_utf8_be,
+ ["unicode variation sequences"]=utf16_to_utf8_be,
+ ["unicode full repertoire"]=utf16_to_utf8_be,
+ },
+ custom={},
+}
+local languages={
+ unicode={
+ [ 0]="english",
+ },
+ macintosh={
+ [ 0]="english",
+ },
+ iso={},
+ windows={
+ [0x0409]="english - united states",
+ },
+ custom={},
+}
+local standardromanencoding={ [0]=
+ "notdef",".null","nonmarkingreturn","space","exclam","quotedbl",
+ "numbersign","dollar","percent","ampersand","quotesingle","parenleft",
+ "parenright","asterisk","plus","comma","hyphen","period","slash",
+ "zero","one","two","three","four","five","six","seven","eight",
+ "nine","colon","semicolon","less","equal","greater","question","at",
+ "A","B","C","D","E","F","G","H","I","J","K","L","M","N","O",
+ "P","Q","R","S","T","U","V","W","X","Y","Z","bracketleft",
+ "backslash","bracketright","asciicircum","underscore","grave","a","b",
+ "c","d","e","f","g","h","i","j","k","l","m","n","o","p","q",
+ "r","s","t","u","v","w","x","y","z","braceleft","bar",
+ "braceright","asciitilde","Adieresis","Aring","Ccedilla","Eacute",
+ "Ntilde","Odieresis","Udieresis","aacute","agrave","acircumflex",
+ "adieresis","atilde","aring","ccedilla","eacute","egrave",
+ "ecircumflex","edieresis","iacute","igrave","icircumflex","idieresis",
+ "ntilde","oacute","ograve","ocircumflex","odieresis","otilde","uacute",
+ "ugrave","ucircumflex","udieresis","dagger","degree","cent","sterling",
+ "section","bullet","paragraph","germandbls","registered","copyright",
+ "trademark","acute","dieresis","notequal","AE","Oslash","infinity",
+ "plusminus","lessequal","greaterequal","yen","mu","partialdiff",
+ "summation","product","pi","integral","ordfeminine","ordmasculine",
+ "Omega","ae","oslash","questiondown","exclamdown","logicalnot",
+ "radical","florin","approxequal","Delta","guillemotleft",
+ "guillemotright","ellipsis","nonbreakingspace","Agrave","Atilde",
+ "Otilde","OE","oe","endash","emdash","quotedblleft","quotedblright",
+ "quoteleft","quoteright","divide","lozenge","ydieresis","Ydieresis",
+ "fraction","currency","guilsinglleft","guilsinglright","fi","fl",
+ "daggerdbl","periodcentered","quotesinglbase","quotedblbase",
+ "perthousand","Acircumflex","Ecircumflex","Aacute","Edieresis","Egrave",
+ "Iacute","Icircumflex","Idieresis","Igrave","Oacute","Ocircumflex",
+ "apple","Ograve","Uacute","Ucircumflex","Ugrave","dotlessi",
+ "circumflex","tilde","macron","breve","dotaccent","ring","cedilla",
+ "hungarumlaut","ogonek","caron","Lslash","lslash","Scaron","scaron",
+ "Zcaron","zcaron","brokenbar","Eth","eth","Yacute","yacute","Thorn",
+ "thorn","minus","multiply","onesuperior","twosuperior","threesuperior",
+ "onehalf","onequarter","threequarters","franc","Gbreve","gbreve",
+ "Idotaccent","Scedilla","scedilla","Cacute","cacute","Ccaron","ccaron",
+ "dcroat",
+}
+local weights={
+ [100]="thin",
+ [200]="extralight",
+ [300]="light",
+ [400]="normal",
+ [500]="medium",
+ [600]="semibold",
+ [700]="bold",
+ [800]="extrabold",
+ [900]="black",
+}
+local widths={
+ [1]="ultracondensed",
+ [2]="extracondensed",
+ [3]="condensed",
+ [4]="semicondensed",
+ [5]="normal",
+ [6]="semiexpanded",
+ [7]="expanded",
+ [8]="extraexpanded",
+ [9]="ultraexpanded",
+}
+setmetatableindex(weights,function(t,k)
+ local r=floor((k+50)/100)*100
+ local v=(r>900 and "black") or rawget(t,r) or "normal"
+ return v
+end)
+setmetatableindex(widths,function(t,k)
+ return "normal"
+end)
+local panoseweights={
+ [ 0]="normal",
+ [ 1]="normal",
+ [ 2]="verylight",
+ [ 3]="light",
+ [ 4]="thin",
+ [ 5]="book",
+ [ 6]="medium",
+ [ 7]="demi",
+ [ 8]="bold",
+ [ 9]="heavy",
+ [10]="black",
+}
+local panosewidths={
+ [ 0]="normal",
+ [ 1]="normal",
+ [ 2]="normal",
+ [ 3]="normal",
+ [ 4]="normal",
+ [ 5]="expanded",
+ [ 6]="condensed",
+ [ 7]="veryexpanded",
+ [ 8]="verycondensed",
+ [ 9]="monospaced",
+}
+local helpers={}
+readers.helpers=helpers
+local function gotodatatable(f,fontdata,tag,criterium)
+ if criterium and f then
+ local datatable=fontdata.tables[tag]
+ if datatable then
+ local tableoffset=datatable.offset
+ setposition(f,tableoffset)
+ return tableoffset
+ end
+ end
+end
+local function reportskippedtable(f,fontdata,tag,criterium)
+ if criterium and f then
+ local datatable=fontdata.tables[tag]
+ if datatable then
+ report("loading of table %a skipped",tag)
+ end
+ end
+end
+local function setvariabledata(fontdata,tag,data)
+ local variabledata=fontdata.variabledata
+ if variabledata then
+ variabledata[tag]=data
+ else
+ fontdata.variabledata={ [tag]=data }
+ end
+end
+helpers.gotodatatable=gotodatatable
+helpers.setvariabledata=setvariabledata
+helpers.reportskippedtable=reportskippedtable
+local platformnames={
+ postscriptname=true,
+ fullname=true,
+ family=true,
+ subfamily=true,
+ typographicfamily=true,
+ typographicsubfamily=true,
+ compatiblefullname=true,
+}
+function readers.name(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"name",true)
+ if tableoffset then
+ local format=readushort(f)
+ local nofnames=readushort(f)
+ local offset=readushort(f)
+ local start=tableoffset+offset
+ local namelists={
+ unicode={},
+ windows={},
+ macintosh={},
+ }
+ for i=1,nofnames do
+ local platform=platforms[readushort(f)]
+ if platform then
+ local namelist=namelists[platform]
+ if namelist then
+ local encoding=readushort(f)
+ local language=readushort(f)
+ local encodings=encodings[platform]
+ local languages=languages[platform]
+ if encodings and languages then
+ local encoding=encodings[encoding]
+ local language=languages[language]
+ if encoding and language then
+ local index=readushort(f)
+ local name=reservednames[index]
+ namelist[#namelist+1]={
+ platform=platform,
+ encoding=encoding,
+ language=language,
+ name=name,
+ index=index,
+ length=readushort(f),
+ offset=start+readushort(f),
+ }
+ else
+ skipshort(f,3)
+ end
+ else
+ skipshort(f,3)
+ end
+ else
+ skipshort(f,5)
+ end
+ else
+ skipshort(f,5)
+ end
+ end
+ local names={}
+ local done={}
+ local extras={}
+ local function filter(platform,e,l)
+ local namelist=namelists[platform]
+ for i=1,#namelist do
+ local name=namelist[i]
+ local nametag=name.name
+ local index=name.index
+ if not done[nametag or i] then
+ local encoding=name.encoding
+ local language=name.language
+ if (not e or encoding==e) and (not l or language==l) then
+ setposition(f,name.offset)
+ local content=readstring(f,name.length)
+ local decoder=decoders[platform]
+ if decoder then
+ decoder=decoder[encoding]
+ end
+ if decoder then
+ content=decoder(content)
+ end
+ if nametag then
+ names[nametag]={
+ content=content,
+ platform=platform,
+ encoding=encoding,
+ language=language,
+ }
+ end
+ extras[index]=content
+ done[nametag or i]=true
+ end
+ end
+ end
+ end
+ filter("windows","unicode bmp","english - united states")
+ filter("macintosh","roman","english")
+ filter("windows")
+ filter("macintosh")
+ filter("unicode")
+ fontdata.names=names
+ fontdata.extras=extras
+ if specification.platformnames then
+ local collected={}
+ for platform,namelist in next,namelists do
+ local filtered=false
+ for i=1,#namelist do
+ local entry=namelist[i]
+ local name=entry.name
+ if platformnames[name] then
+ setposition(f,entry.offset)
+ local content=readstring(f,entry.length)
+ local encoding=entry.encoding
+ local decoder=decoders[platform]
+ if decoder then
+ decoder=decoder[encoding]
+ end
+ if decoder then
+ content=decoder(content)
+ end
+ if filtered then
+ filtered[name]=content
+ else
+ filtered={ [name]=content }
+ end
+ end
+ end
+ if filtered then
+ collected[platform]=filtered
+ end
+ end
+ fontdata.platformnames=collected
+ end
+ else
+ fontdata.names={}
+ end
+end
+local validutf=lpeg.patterns.validutf8
+local function getname(fontdata,key)
+ local names=fontdata.names
+ if names then
+ local value=names[key]
+ if value then
+ local content=value.content
+ return lpegmatch(validutf,content) and content or nil
+ end
+ end
+end
+readers["os/2"]=function(f,fontdata)
+ local tableoffset=gotodatatable(f,fontdata,"os/2",true)
+ if tableoffset then
+ local version=readushort(f)
+ local windowsmetrics={
+ version=version,
+ averagewidth=readshort(f),
+ weightclass=readushort(f),
+ widthclass=readushort(f),
+ fstype=readushort(f),
+ subscriptxsize=readshort(f),
+ subscriptysize=readshort(f),
+ subscriptxoffset=readshort(f),
+ subscriptyoffset=readshort(f),
+ superscriptxsize=readshort(f),
+ superscriptysize=readshort(f),
+ superscriptxoffset=readshort(f),
+ superscriptyoffset=readshort(f),
+ strikeoutsize=readshort(f),
+ strikeoutpos=readshort(f),
+ familyclass=readshort(f),
+ panose={ readbytes(f,10) },
+ unicoderanges={ readulong(f),readulong(f),readulong(f),readulong(f) },
+ vendor=readstring(f,4),
+ fsselection=readushort(f),
+ firstcharindex=readushort(f),
+ lastcharindex=readushort(f),
+ typoascender=readshort(f),
+ typodescender=readshort(f),
+ typolinegap=readshort(f),
+ winascent=readushort(f),
+ windescent=readushort(f),
+ }
+ if version>=1 then
+ windowsmetrics.codepageranges={ readulong(f),readulong(f) }
+ end
+ if version>=3 then
+ windowsmetrics.xheight=readshort(f)
+ windowsmetrics.capheight=readshort(f)
+ windowsmetrics.defaultchar=readushort(f)
+ windowsmetrics.breakchar=readushort(f)
+ end
+ windowsmetrics.weight=windowsmetrics.weightclass and weights[windowsmetrics.weightclass]
+ windowsmetrics.width=windowsmetrics.widthclass and widths [windowsmetrics.widthclass]
+ windowsmetrics.panoseweight=panoseweights[windowsmetrics.panose[3]]
+ windowsmetrics.panosewidth=panosewidths [windowsmetrics.panose[4]]
+ fontdata.windowsmetrics=windowsmetrics
+ else
+ fontdata.windowsmetrics={}
+ end
+end
+readers.head=function(f,fontdata)
+ local tableoffset=gotodatatable(f,fontdata,"head",true)
+ if tableoffset then
+ local fontheader={
+ version=readfixed(f),
+ revision=readfixed(f),
+ checksum=readulong(f),
+ magic=readulong(f),
+ flags=readushort(f),
+ units=readushort(f),
+ created=readlongdatetime(f),
+ modified=readlongdatetime(f),
+ xmin=readshort(f),
+ ymin=readshort(f),
+ xmax=readshort(f),
+ ymax=readshort(f),
+ macstyle=readushort(f),
+ smallpixels=readushort(f),
+ directionhint=readshort(f),
+ indextolocformat=readshort(f),
+ glyphformat=readshort(f),
+ }
+ fontdata.fontheader=fontheader
+ else
+ fontdata.fontheader={}
+ end
+ fontdata.nofglyphs=0
+end
+readers.hhea=function(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"hhea",specification.details)
+ if tableoffset then
+ fontdata.horizontalheader={
+ version=readfixed(f),
+ ascender=readfword(f),
+ descender=readfword(f),
+ linegap=readfword(f),
+ maxadvancewidth=readufword(f),
+ minleftsidebearing=readfword(f),
+ minrightsidebearing=readfword(f),
+ maxextent=readfword(f),
+ caretsloperise=readshort(f),
+ caretsloperun=readshort(f),
+ caretoffset=readshort(f),
+ reserved_1=readshort(f),
+ reserved_2=readshort(f),
+ reserved_3=readshort(f),
+ reserved_4=readshort(f),
+ metricdataformat=readshort(f),
+ nofmetrics=readushort(f),
+ }
+ else
+ fontdata.horizontalheader={
+ nofmetrics=0,
+ }
+ end
+end
+readers.vhea=function(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"vhea",specification.details)
+ if tableoffset then
+ fontdata.verticalheader={
+ version=readfixed(f),
+ ascender=readfword(f),
+ descender=readfword(f),
+ linegap=readfword(f),
+ maxadvanceheight=readufword(f),
+ mintopsidebearing=readfword(f),
+ minbottomsidebearing=readfword(f),
+ maxextent=readfword(f),
+ caretsloperise=readshort(f),
+ caretsloperun=readshort(f),
+ caretoffset=readshort(f),
+ reserved_1=readshort(f),
+ reserved_2=readshort(f),
+ reserved_3=readshort(f),
+ reserved_4=readshort(f),
+ metricdataformat=readshort(f),
+ nofmetrics=readushort(f),
+ }
+ else
+ fontdata.verticalheader={
+ nofmetrics=0,
+ }
+ end
+end
+readers.maxp=function(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"maxp",specification.details)
+ if tableoffset then
+ local version=readfixed(f)
+ local nofglyphs=readushort(f)
+ fontdata.nofglyphs=nofglyphs
+ if version==0.5 then
+ fontdata.maximumprofile={
+ version=version,
+ nofglyphs=nofglyphs,
+ }
+ elseif version==1.0 then
+ fontdata.maximumprofile={
+ version=version,
+ nofglyphs=nofglyphs,
+ points=readushort(f),
+ contours=readushort(f),
+ compositepoints=readushort(f),
+ compositecontours=readushort(f),
+ zones=readushort(f),
+ twilightpoints=readushort(f),
+ storage=readushort(f),
+ functiondefs=readushort(f),
+ instructiondefs=readushort(f),
+ stackelements=readushort(f),
+ sizeofinstructions=readushort(f),
+ componentelements=readushort(f),
+ componentdepth=readushort(f),
+ }
+ else
+ fontdata.maximumprofile={
+ version=version,
+ nofglyphs=0,
+ }
+ end
+ end
+end
+readers.hmtx=function(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"hmtx",specification.glyphs)
+ if tableoffset then
+ local horizontalheader=fontdata.horizontalheader
+ local nofmetrics=horizontalheader.nofmetrics
+ local glyphs=fontdata.glyphs
+ local nofglyphs=fontdata.nofglyphs
+ local width=0
+ local leftsidebearing=0
+ for i=0,nofmetrics-1 do
+ local glyph=glyphs[i]
+ width=readshort(f)
+ leftsidebearing=readshort(f)
+ if width~=0 then
+ glyph.width=width
+ end
+ end
+ for i=nofmetrics,nofglyphs-1 do
+ local glyph=glyphs[i]
+ if width~=0 then
+ glyph.width=width
+ end
+ end
+ end
+end
+readers.vmtx=function(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"vmtx",specification.glyphs)
+ if tableoffset then
+ local verticalheader=fontdata.verticalheader
+ local nofmetrics=verticalheader.nofmetrics
+ local glyphs=fontdata.glyphs
+ local nofglyphs=fontdata.nofglyphs
+ local vheight=0
+ local vdefault=verticalheader.ascender+verticalheader.descender
+ local topsidebearing=0
+ for i=0,nofmetrics-1 do
+ local glyph=glyphs[i]
+ vheight=readshort(f)
+ topsidebearing=readshort(f)
+ if vheight~=0 and vheight~=vdefault then
+ glyph.vheight=vheight
+ end
+ end
+ for i=nofmetrics,nofglyphs-1 do
+ local glyph=glyphs[i]
+ if vheight~=0 and vheight~=vdefault then
+ glyph.vheight=vheight
+ end
+ end
+ end
+end
+readers.vorg=function(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"vorg",specification.glyphs)
+end
+readers.post=function(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"post",true)
+ if tableoffset then
+ local version=readfixed(f)
+ fontdata.postscript={
+ version=version,
+ italicangle=round(1000*readfixed(f))/1000,
+ underlineposition=readfword(f),
+ underlinethickness=readfword(f),
+ monospaced=readulong(f),
+ minmemtype42=readulong(f),
+ maxmemtype42=readulong(f),
+ minmemtype1=readulong(f),
+ maxmemtype1=readulong(f),
+ }
+ if not specification.glyphs then
+ elseif version==1.0 then
+ for index=0,#standardromanencoding do
+ glyphs[index].name=standardromanencoding[index]
+ end
+ elseif version==2.0 then
+ local glyphs=fontdata.glyphs
+ local nofglyphs=readushort(f)
+ local indices={}
+ local names={}
+ local maxnames=0
+ for i=0,nofglyphs-1 do
+ local nameindex=readushort(f)
+ if nameindex>=258 then
+ maxnames=maxnames+1
+ nameindex=nameindex-257
+ indices[nameindex]=i
+ else
+ glyphs[i].name=standardromanencoding[nameindex]
+ end
+ end
+ for i=1,maxnames do
+ local mapping=indices[i]
+ if not mapping then
+ report("quit post name fetching at %a of %a: %s",i,maxnames,"no index")
+ break
+ else
+ local length=readbyte(f)
+ if length>0 then
+ glyphs[mapping].name=readstring(f,length)
+ else
+ report("quit post name fetching at %a of %a: %s",i,maxnames,"overflow")
+ break
+ end
+ end
+ end
+ elseif version==2.5 then
+ elseif version==3.0 then
+ end
+ else
+ fontdata.postscript={}
+ end
+end
+readers.cff=function(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"cff",specification.glyphs)
+end
+local formatreaders={}
+local duplicatestoo=true
+local sequence={
+ { 3,1,4 },
+ { 3,10,12 },
+ { 0,3,4 },
+ { 0,1,4 },
+ { 0,0,6 },
+ { 3,0,6 },
+ { 0,5,14 },
+{ 0,4,12 },
+ { 3,10,13 },
+}
+local supported={}
+for i=1,#sequence do
+ local si=sequence[i]
+ local sp,se,sf=si[1],si[2],si[3]
+ local p=supported[sp]
+ if not p then
+ p={}
+ supported[sp]=p
+ end
+ local e=p[se]
+ if not e then
+ e={}
+ p[se]=e
+ end
+ e[sf]=true
+end
+formatreaders[4]=function(f,fontdata,offset)
+ setposition(f,offset+2)
+ local length=readushort(f)
+ local language=readushort(f)
+ local nofsegments=readushort(f)/2
+ skipshort(f,3)
+ local mapping=fontdata.mapping
+ local glyphs=fontdata.glyphs
+ local duplicates=fontdata.duplicates
+ local nofdone=0
+ local endchars=readcardinaltable(f,nofsegments,ushort)
+ local reserved=readushort(f)
+ local startchars=readcardinaltable(f,nofsegments,ushort)
+ local deltas=readcardinaltable(f,nofsegments,ushort)
+ local offsets=readcardinaltable(f,nofsegments,ushort)
+ local size=(length-2*2-5*2-4*2*nofsegments)/2
+ local indices=readcardinaltable(f,size-1,ushort)
+ for segment=1,nofsegments do
+ local startchar=startchars[segment]
+ local endchar=endchars[segment]
+ local offset=offsets[segment]
+ local delta=deltas[segment]
+ if startchar==0xFFFF and endchar==0xFFFF then
+ elseif startchar==0xFFFF and offset==0 then
+ elseif offset==0xFFFF then
+ elseif offset==0 then
+ if trace_cmap_detail then
+ report("format 4.%i segment %2i from %C upto %C at index %H",1,segment,startchar,endchar,(startchar+delta)%65536)
+ end
+ for unicode=startchar,endchar do
+ local index=(unicode+delta)%65536
+ if index and index>0 then
+ local glyph=glyphs[index]
+ if glyph then
+ local gu=glyph.unicode
+ if not gu then
+ glyph.unicode=unicode
+ nofdone=nofdone+1
+ elseif gu~=unicode then
+ if duplicatestoo then
+ local d=duplicates[gu]
+ if d then
+ d[unicode]=true
+ else
+ duplicates[gu]={ [unicode]=true }
+ end
+ else
+ report("duplicate case 1: %C %04i %s",unicode,index,glyphs[index].name)
+ end
+ end
+ if not mapping[index] then
+ mapping[index]=unicode
+ end
+ end
+ end
+ end
+ else
+ local shift=(segment-nofsegments+offset/2)-startchar
+ if trace_cmap_detail then
+ report("format 4.%i segment %2i from %C upto %C at index %H",0,segment,startchar,endchar,(startchar+delta)%65536)
+ end
+ for unicode=startchar,endchar do
+ local slot=shift+unicode
+ local index=indices[slot]
+ if index and index>0 then
+ index=(index+delta)%65536
+ local glyph=glyphs[index]
+ if glyph then
+ local gu=glyph.unicode
+ if not gu then
+ glyph.unicode=unicode
+ nofdone=nofdone+1
+ elseif gu~=unicode then
+ if duplicatestoo then
+ local d=duplicates[gu]
+ if d then
+ d[unicode]=true
+ else
+ duplicates[gu]={ [unicode]=true }
+ end
+ else
+ report("duplicate case 2: %C %04i %s",unicode,index,glyphs[index].name)
+ end
+ end
+ if not mapping[index] then
+ mapping[index]=unicode
+ end
+ end
+ end
+ end
+ end
+ end
+ return nofdone
+end
+formatreaders[6]=function(f,fontdata,offset)
+ setposition(f,offset)
+ local format=readushort(f)
+ local length=readushort(f)
+ local language=readushort(f)
+ local mapping=fontdata.mapping
+ local glyphs=fontdata.glyphs
+ local duplicates=fontdata.duplicates
+ local start=readushort(f)
+ local count=readushort(f)
+ local stop=start+count-1
+ local nofdone=0
+ if trace_cmap_detail then
+ report("format 6 from %C to %C",2,start,stop)
+ end
+ for unicode=start,stop do
+ local index=readushort(f)
+ if index>0 then
+ local glyph=glyphs[index]
+ if glyph then
+ local gu=glyph.unicode
+ if not gu then
+ glyph.unicode=unicode
+ nofdone=nofdone+1
+ elseif gu~=unicode then
+ end
+ if not mapping[index] then
+ mapping[index]=unicode
+ end
+ end
+ end
+ end
+ return nofdone
+end
+formatreaders[12]=function(f,fontdata,offset)
+ setposition(f,offset+2+2+4+4)
+ local mapping=fontdata.mapping
+ local glyphs=fontdata.glyphs
+ local duplicates=fontdata.duplicates
+ local nofgroups=readulong(f)
+ local nofdone=0
+ for i=1,nofgroups do
+ local first=readulong(f)
+ local last=readulong(f)
+ local index=readulong(f)
+ if trace_cmap_detail then
+ report("format 12 from %C to %C starts at index %i",first,last,index)
+ end
+ for unicode=first,last do
+ local glyph=glyphs[index]
+ if glyph then
+ local gu=glyph.unicode
+ if not gu then
+ glyph.unicode=unicode
+ nofdone=nofdone+1
+ elseif gu~=unicode then
+ local d=duplicates[gu]
+ if d then
+ d[unicode]=true
+ else
+ duplicates[gu]={ [unicode]=true }
+ end
+ end
+ if not mapping[index] then
+ mapping[index]=unicode
+ end
+ end
+ index=index+1
+ end
+ end
+ return nofdone
+end
+formatreaders[13]=function(f,fontdata,offset)
+ setposition(f,offset+2+2+4+4)
+ local mapping=fontdata.mapping
+ local glyphs=fontdata.glyphs
+ local duplicates=fontdata.duplicates
+ local nofgroups=readulong(f)
+ local nofdone=0
+ for i=1,nofgroups do
+ local first=readulong(f)
+ local last=readulong(f)
+ local index=readulong(f)
+ if first<privateoffset then
+ if trace_cmap_detail then
+ report("format 13 from %C to %C get index %i",first,last,index)
+ end
+ local glyph=glyphs[index]
+ local unicode=glyph.unicode
+ if not unicode then
+ unicode=first
+ glyph.unicode=unicode
+ first=first+1
+ end
+ local list=duplicates[unicode]
+ mapping[index]=unicode
+ if not list then
+ list={}
+ duplicates[unicode]=list
+ end
+ if last>=privateoffset then
+ local limit=privateoffset-1
+ report("format 13 from %C to %C pruned to %C",first,last,limit)
+ last=limit
+ end
+ for unicode=first,last do
+ list[unicode]=true
+ end
+ nofdone=nofdone+last-first+1
+ else
+ report("format 13 from %C to %C ignored",first,last)
+ end
+ end
+ return nofdone
+end
+formatreaders[14]=function(f,fontdata,offset)
+ if offset and offset~=0 then
+ setposition(f,offset)
+ local format=readushort(f)
+ local length=readulong(f)
+ local nofrecords=readulong(f)
+ local records={}
+ local variants={}
+ local nofdone=0
+ fontdata.variants=variants
+ for i=1,nofrecords do
+ records[i]={
+ selector=readuint(f),
+ default=readulong(f),
+ other=readulong(f),
+ }
+ end
+ for i=1,nofrecords do
+ local record=records[i]
+ local selector=record.selector
+ local default=record.default
+ local other=record.other
+ local other=record.other
+ if other~=0 then
+ setposition(f,offset+other)
+ local mapping={}
+ local count=readulong(f)
+ for i=1,count do
+ mapping[readuint(f)]=readushort(f)
+ end
+ nofdone=nofdone+count
+ variants[selector]=mapping
+ end
+ end
+ return nofdone
+ else
+ return 0
+ end
+end
+local function checkcmap(f,fontdata,records,platform,encoding,format)
+ local data=records[platform]
+ if not data then
+ return 0
+ end
+ data=data[encoding]
+ if not data then
+ return 0
+ end
+ data=data[format]
+ if not data then
+ return 0
+ end
+ local reader=formatreaders[format]
+ if not reader then
+ return 0
+ end
+ local p=platforms[platform]
+ local e=encodings[p]
+ local n=reader(f,fontdata,data) or 0
+ if trace_cmap then
+ report("cmap checked: platform %i (%s), encoding %i (%s), format %i, new unicodes %i",platform,p,encoding,e and e[encoding] or "?",format,n)
+ end
+ return n
+end
+function readers.cmap(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"cmap",specification.glyphs)
+ if tableoffset then
+ local version=readushort(f)
+ local noftables=readushort(f)
+ local records={}
+ local unicodecid=false
+ local variantcid=false
+ local variants={}
+ local duplicates=fontdata.duplicates or {}
+ fontdata.duplicates=duplicates
+ for i=1,noftables do
+ local platform=readushort(f)
+ local encoding=readushort(f)
+ local offset=readulong(f)
+ local record=records[platform]
+ if not record then
+ records[platform]={
+ [encoding]={
+ offsets={ offset },
+ formats={},
+ }
+ }
+ else
+ local subtables=record[encoding]
+ if not subtables then
+ record[encoding]={
+ offsets={ offset },
+ formats={},
+ }
+ else
+ local offsets=subtables.offsets
+ offsets[#offsets+1]=offset
+ end
+ end
+ end
+ if trace_cmap then
+ report("found cmaps:")
+ end
+ for platform,record in sortedhash(records) do
+ local p=platforms[platform]
+ local e=encodings[p]
+ local sp=supported[platform]
+ local ps=p or "?"
+ if trace_cmap then
+ if sp then
+ report(" platform %i: %s",platform,ps)
+ else
+ report(" platform %i: %s (unsupported)",platform,ps)
+ end
+ end
+ for encoding,subtables in sortedhash(record) do
+ local se=sp and sp[encoding]
+ local es=e and e[encoding] or "?"
+ if trace_cmap then
+ if se then
+ report(" encoding %i: %s",encoding,es)
+ else
+ report(" encoding %i: %s (unsupported)",encoding,es)
+ end
+ end
+ local offsets=subtables.offsets
+ local formats=subtables.formats
+ for i=1,#offsets do
+ local offset=tableoffset+offsets[i]
+ setposition(f,offset)
+ formats[readushort(f)]=offset
+ end
+ record[encoding]=formats
+ if trace_cmap then
+ local list=sortedkeys(formats)
+ for i=1,#list do
+ if not (se and se[list[i]]) then
+ list[i]=list[i].." (unsupported)"
+ end
+ end
+ report(" formats: % t",list)
+ end
+ end
+ end
+ local ok=false
+ for i=1,#sequence do
+ local si=sequence[i]
+ local sp,se,sf=si[1],si[2],si[3]
+ if checkcmap(f,fontdata,records,sp,se,sf)>0 then
+ ok=true
+ end
+ end
+ if not ok then
+ report("no useable unicode cmap found")
+ end
+ fontdata.cidmaps={
+ version=version,
+ noftables=noftables,
+ records=records,
+ }
+ else
+ fontdata.cidmaps={}
+ end
+end
+function readers.loca(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"loca",specification.glyphs)
+end
+function readers.glyf(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"glyf",specification.glyphs)
+end
+function readers.colr(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"colr",specification.glyphs)
+end
+function readers.cpal(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"cpal",specification.glyphs)
+end
+function readers.svg(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"svg",specification.glyphs)
+end
+function readers.sbix(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"sbix",specification.glyphs)
+end
+function readers.cbdt(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"cbdt",specification.glyphs)
+end
+function readers.cblc(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"cblc",specification.glyphs)
+end
+function readers.ebdt(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"ebdt",specification.glyphs)
+end
+function readers.ebsc(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"ebsc",specification.glyphs)
+end
+function readers.eblc(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"eblc",specification.glyphs)
+end
+function readers.kern(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"kern",specification.kerns)
+ if tableoffset then
+ local version=readushort(f)
+ local noftables=readushort(f)
+ for i=1,noftables do
+ local version=readushort(f)
+ local length=readushort(f)
+ local coverage=readushort(f)
+ local format=rshift(coverage,8)
+ if format==0 then
+ local nofpairs=readushort(f)
+ local searchrange=readushort(f)
+ local entryselector=readushort(f)
+ local rangeshift=readushort(f)
+ local kerns={}
+ local glyphs=fontdata.glyphs
+ for i=1,nofpairs do
+ local left=readushort(f)
+ local right=readushort(f)
+ local kern=readfword(f)
+ local glyph=glyphs[left]
+ local kerns=glyph.kerns
+ if kerns then
+ kerns[right]=kern
+ else
+ glyph.kerns={ [right]=kern }
+ end
+ end
+ elseif format==2 then
+ report("todo: kern classes")
+ else
+ report("todo: kerns")
+ end
+ end
+ end
+end
+function readers.gdef(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"gdef",specification.details)
+end
+function readers.gsub(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"gsub",specification.details)
+end
+function readers.gpos(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"gpos",specification.details)
+end
+function readers.math(f,fontdata,specification)
+ reportskippedtable(f,fontdata,"math",specification.details)
+end
+local function getinfo(maindata,sub,platformnames,rawfamilynames,metricstoo,instancenames)
+ local fontdata=sub and maindata.subfonts and maindata.subfonts[sub] or maindata
+ local names=fontdata.names
+ local info=nil
+ if names then
+ local metrics=fontdata.windowsmetrics or {}
+ local postscript=fontdata.postscript or {}
+ local fontheader=fontdata.fontheader or {}
+ local cffinfo=fontdata.cffinfo or {}
+ local filename=fontdata.filename
+ local weight=getname(fontdata,"weight") or (cffinfo and cffinfo.weight) or (metrics and metrics.weight)
+ local width=getname(fontdata,"width") or (cffinfo and cffinfo.width ) or (metrics and metrics.width )
+ local fontname=getname(fontdata,"postscriptname")
+ local fullname=getname(fontdata,"fullname")
+ local family=getname(fontdata,"family")
+ local subfamily=getname(fontdata,"subfamily")
+ local familyname=getname(fontdata,"typographicfamily")
+ local subfamilyname=getname(fontdata,"typographicsubfamily")
+ local compatiblename=getname(fontdata,"compatiblefullname")
+ if rawfamilynames then
+ else
+ if not familyname then familyname=family end
+ if not subfamilyname then subfamilyname=subfamily end
+ end
+ if platformnames then
+ platformnames=fontdata.platformnames
+ end
+ if instancenames then
+ local variabledata=fontdata.variabledata
+ if variabledata then
+ local instances=variabledata and variabledata.instances
+ if instances then
+ instancenames={}
+ for i=1,#instances do
+ instancenames[i]=lower(stripstring(instances[i].subfamily))
+ end
+ else
+ instancenames=nil
+ end
+ else
+ instancenames=nil
+ end
+ end
+ info={
+ subfontindex=fontdata.subfontindex or sub or 0,
+ version=getname(fontdata,"version"),
+ fontname=fontname,
+ fullname=fullname,
+ family=family,
+ subfamily=subfamily,
+ familyname=familyname,
+ subfamilyname=subfamilyname,
+ compatiblename=compatiblename,
+ weight=weight and lower(weight),
+ width=width and lower(width),
+ pfmweight=metrics.weightclass or 400,
+ pfmwidth=metrics.widthclass or 5,
+ panosewidth=metrics.panosewidth,
+ panoseweight=metrics.panoseweight,
+ italicangle=postscript.italicangle or 0,
+ units=fontheader.units or 0,
+ designsize=fontdata.designsize,
+ minsize=fontdata.minsize,
+ maxsize=fontdata.maxsize,
+ monospaced=(tonumber(postscript.monospaced or 0)>0) or metrics.panosewidth=="monospaced",
+ averagewidth=metrics.averagewidth,
+ xheight=metrics.xheight,
+ capheight=metrics.capheight,
+ ascender=metrics.typoascender,
+ descender=metrics.typodescender,
+ platformnames=platformnames or nil,
+ instancenames=instancenames or nil,
+ }
+ if metricstoo then
+ local keys={
+ "version",
+ "ascender","descender","linegap",
+ "maxadvancewidth","maxadvanceheight","maxextent",
+ "minbottomsidebearing","mintopsidebearing",
+ }
+ local h=fontdata.horizontalheader or {}
+ local v=fontdata.verticalheader or {}
+ if h then
+ local th={}
+ local tv={}
+ for i=1,#keys do
+ local key=keys[i]
+ th[key]=h[key] or 0
+ tv[key]=v[key] or 0
+ end
+ info.horizontalmetrics=th
+ info.verticalmetrics=tv
+ end
+ end
+ elseif n then
+ info={
+ filename=fontdata.filename,
+ comment="there is no info for subfont "..n,
+ }
+ else
+ info={
+ filename=fontdata.filename,
+ comment="there is no info",
+ }
+ end
+ return info
+end
+local function loadtables(f,specification,offset)
+ if offset then
+ setposition(f,offset)
+ end
+ local tables={}
+ local basename=file.basename(specification.filename)
+ local filesize=specification.filesize
+ local filetime=specification.filetime
+ local fontdata={
+ filename=basename,
+ filesize=filesize,
+ filetime=filetime,
+ version=readstring(f,4),
+ noftables=readushort(f),
+ searchrange=readushort(f),
+ entryselector=readushort(f),
+ rangeshift=readushort(f),
+ tables=tables,
+ foundtables=false,
+ }
+ for i=1,fontdata.noftables do
+ local tag=lower(stripstring(readstring(f,4)))
+ local checksum=readulong(f)
+ local offset=readulong(f)
+ local length=readulong(f)
+ if offset+length>filesize then
+ report("bad %a table in file %a",tag,basename)
+ end
+ tables[tag]={
+ checksum=checksum,
+ offset=offset,
+ length=length,
+ }
+ end
+ fontdata.foundtables=sortedkeys(tables)
+ if tables.cff or tables.cff2 then
+ fontdata.format="opentype"
+ else
+ fontdata.format="truetype"
+ end
+ return fontdata
+end
+local function prepareglyps(fontdata)
+ local glyphs=setmetatableindex(function(t,k)
+ local v={
+ index=k,
+ }
+ t[k]=v
+ return v
+ end)
+ fontdata.glyphs=glyphs
+ fontdata.mapping={}
+end
+local function readtable(tag,f,fontdata,specification,...)
+ local reader=readers[tag]
+ if reader then
+ reader(f,fontdata,specification,...)
+ end
+end
+local variablefonts_supported=(context and true) or (logs and logs.application and true) or false
+local function readdata(f,offset,specification)
+ local fontdata=loadtables(f,specification,offset)
+ if specification.glyphs then
+ prepareglyps(fontdata)
+ end
+ if not variablefonts_supported then
+ specification.instance=nil
+ specification.variable=nil
+ specification.factors=nil
+ end
+ fontdata.temporary={}
+ readtable("name",f,fontdata,specification)
+ local askedname=specification.askedname
+ if askedname then
+ local fullname=getname(fontdata,"fullname") or ""
+ local cleanname=gsub(askedname,"[^a-zA-Z0-9]","")
+ local foundname=gsub(fullname,"[^a-zA-Z0-9]","")
+ if lower(cleanname)~=lower(foundname) then
+ return
+ end
+ end
+ readtable("stat",f,fontdata,specification)
+ readtable("avar",f,fontdata,specification)
+ readtable("fvar",f,fontdata,specification)
+ if variablefonts_supported then
+ local variabledata=fontdata.variabledata
+ if variabledata then
+ local instances=variabledata.instances
+ local axis=variabledata.axis
+ if axis and (not instances or #instances==0) then
+ instances={}
+ variabledata.instances=instances
+ local function add(n,subfamily,value)
+ local values={}
+ for i=1,#axis do
+ local a=axis[i]
+ values[i]={
+ axis=a.tag,
+ value=i==n and value or a.default,
+ }
+ end
+ instances[#instances+1]={
+ subfamily=subfamily,
+ values=values,
+ }
+ end
+ for i=1,#axis do
+ local a=axis[i]
+ local tag=a.tag
+ add(i,"default"..tag,a.default)
+ add(i,"minimum"..tag,a.minimum)
+ add(i,"maximum"..tag,a.maximum)
+ end
+ end
+ end
+ if not specification.factors then
+ local instance=specification.instance
+ if type(instance)=="string" then
+ local factors=helpers.getfactors(fontdata,instance)
+ if factors then
+ specification.factors=factors
+ fontdata.factors=factors
+ fontdata.instance=instance
+ report("user instance: %s, factors: % t",instance,factors)
+ else
+ report("user instance: %s, bad factors",instance)
+ end
+ end
+ end
+ if not fontdata.factors then
+ if fontdata.variabledata then
+ local factors=helpers.getfactors(fontdata,true)
+ if factors then
+ specification.factors=factors
+ fontdata.factors=factors
+ end
+ else
+ end
+ end
+ end
+ readtable("os/2",f,fontdata,specification)
+ readtable("head",f,fontdata,specification)
+ readtable("maxp",f,fontdata,specification)
+ readtable("hhea",f,fontdata,specification)
+ readtable("vhea",f,fontdata,specification)
+ readtable("hmtx",f,fontdata,specification)
+ readtable("vmtx",f,fontdata,specification)
+ readtable("vorg",f,fontdata,specification)
+ readtable("post",f,fontdata,specification)
+ readtable("mvar",f,fontdata,specification)
+ readtable("hvar",f,fontdata,specification)
+ readtable("vvar",f,fontdata,specification)
+ readtable("gdef",f,fontdata,specification)
+ readtable("cff",f,fontdata,specification)
+ readtable("cff2",f,fontdata,specification)
+ readtable("cmap",f,fontdata,specification)
+ readtable("loca",f,fontdata,specification)
+ readtable("glyf",f,fontdata,specification)
+ readtable("colr",f,fontdata,specification)
+ readtable("cpal",f,fontdata,specification)
+ readtable("svg",f,fontdata,specification)
+ readtable("sbix",f,fontdata,specification)
+ readtable("cbdt",f,fontdata,specification)
+ readtable("cblc",f,fontdata,specification)
+ readtable("ebdt",f,fontdata,specification)
+ readtable("eblc",f,fontdata,specification)
+ readtable("kern",f,fontdata,specification)
+ readtable("gsub",f,fontdata,specification)
+ readtable("gpos",f,fontdata,specification)
+ readtable("math",f,fontdata,specification)
+ fontdata.locations=nil
+ fontdata.tables=nil
+ fontdata.cidmaps=nil
+ fontdata.dictionaries=nil
+ return fontdata
+end
+local function loadfontdata(specification)
+ local filename=specification.filename
+ local fileattr=lfs.attributes(filename)
+ local filesize=fileattr and fileattr.size or 0
+ local filetime=fileattr and fileattr.modification or 0
+ local f=openfile(filename,true)
+ if not f then
+ report("unable to open %a",filename)
+ elseif filesize==0 then
+ report("empty file %a",filename)
+ closefile(f)
+ else
+ specification.filesize=filesize
+ specification.filetime=filetime
+ local version=readstring(f,4)
+ local fontdata=nil
+ if version=="OTTO" or version=="true" or version=="\0\1\0\0" then
+ fontdata=readdata(f,0,specification)
+ elseif version=="ttcf" then
+ local subfont=tonumber(specification.subfont)
+ local ttcversion=readulong(f)
+ local nofsubfonts=readulong(f)
+ local offsets=readcardinaltable(f,nofsubfonts,ulong)
+ if subfont then
+ if subfont>=1 and subfont<=nofsubfonts then
+ fontdata=readdata(f,offsets[subfont],specification)
+ else
+ report("no subfont %a in file %a",subfont,filename)
+ end
+ else
+ subfont=specification.subfont
+ if type(subfont)=="string" and subfont~="" then
+ specification.askedname=subfont
+ for i=1,nofsubfonts do
+ fontdata=readdata(f,offsets[i],specification)
+ if fontdata then
+ fontdata.subfontindex=i
+ report("subfont named %a has index %a",subfont,i)
+ break
+ end
+ end
+ if not fontdata then
+ report("no subfont named %a",subfont)
+ end
+ else
+ local subfonts={}
+ fontdata={
+ filename=filename,
+ filesize=filesize,
+ filetime=filetime,
+ version=version,
+ subfonts=subfonts,
+ ttcversion=ttcversion,
+ nofsubfonts=nofsubfonts,
+ }
+ for i=1,nofsubfonts do
+ subfonts[i]=readdata(f,offsets[i],specification)
+ end
+ end
+ end
+ else
+ report("unknown version %a in file %a",version,filename)
+ end
+ closefile(f)
+ return fontdata or {}
+ end
+end
+local function loadfont(specification,n,instance)
+ if type(specification)=="string" then
+ specification={
+ filename=specification,
+ info=true,
+ details=true,
+ glyphs=true,
+ shapes=true,
+ kerns=true,
+ variable=true,
+ globalkerns=true,
+ lookups=true,
+ subfont=n or true,
+ tounicode=false,
+ instance=instance
+ }
+ end
+ if specification.shapes or specification.lookups or specification.kerns then
+ specification.glyphs=true
+ end
+ if specification.glyphs then
+ specification.details=true
+ end
+ if specification.details then
+ specification.info=true
+ end
+ if specification.platformnames then
+ specification.platformnames=true
+ end
+ if specification.instance or instance then
+ specification.variable=true
+ specification.instance=specification.instance or instance
+ end
+ local function message(str)
+ report("fatal error in file %a: %s\n%s",specification.filename,str,debug.traceback())
+ end
+ local ok,result=xpcall(loadfontdata,message,specification)
+ if ok then
+ return result
+ end
+end
+function readers.loadshapes(filename,n,instance,streams)
+ local fontdata=loadfont {
+ filename=filename,
+ shapes=true,
+ streams=streams,
+ variable=true,
+ subfont=n,
+ instance=instance,
+ }
+ if fontdata then
+ for k,v in next,fontdata.glyphs do
+ v.class=nil
+ v.index=nil
+ v.math=nil
+ end
+ end
+ return fontdata and {
+ filename=filename,
+ format=fontdata.format,
+ glyphs=fontdata.glyphs,
+ units=fontdata.fontheader.units,
+ } or {
+ filename=filename,
+ format="unknown",
+ glyphs={},
+ units=0,
+ }
+end
+function readers.loadfont(filename,n,instance)
+ local fontdata=loadfont {
+ filename=filename,
+ glyphs=true,
+ shapes=false,
+ lookups=true,
+ variable=true,
+ subfont=n,
+ instance=instance,
+ }
+ if fontdata then
+ return {
+ tableversion=tableversion,
+ creator="context mkiv",
+ size=fontdata.filesize,
+ time=fontdata.filetime,
+ glyphs=fontdata.glyphs,
+ descriptions=fontdata.descriptions,
+ format=fontdata.format,
+ goodies={},
+ metadata=getinfo(fontdata,n,false,false,true,true),
+ properties={
+ hasitalics=fontdata.hasitalics or false,
+ maxcolorclass=fontdata.maxcolorclass,
+ hascolor=fontdata.hascolor or false,
+ instance=fontdata.instance,
+ factors=fontdata.factors,
+ },
+ resources={
+ filename=filename,
+ private=privateoffset,
+ duplicates=fontdata.duplicates or {},
+ features=fontdata.features or {},
+ sublookups=fontdata.sublookups or {},
+ marks=fontdata.marks or {},
+ markclasses=fontdata.markclasses or {},
+ marksets=fontdata.marksets or {},
+ sequences=fontdata.sequences or {},
+ variants=fontdata.variants,
+ version=getname(fontdata,"version"),
+ cidinfo=fontdata.cidinfo,
+ mathconstants=fontdata.mathconstants,
+ colorpalettes=fontdata.colorpalettes,
+ svgshapes=fontdata.svgshapes,
+ sbixshapes=fontdata.sbixshapes,
+ variabledata=fontdata.variabledata,
+ foundtables=fontdata.foundtables,
+ },
+ }
+ end
+end
+function readers.getinfo(filename,specification)
+ local subfont=nil
+ local platformnames=false
+ local rawfamilynames=false
+ local instancenames=true
+ if type(specification)=="table" then
+ subfont=tonumber(specification.subfont)
+ platformnames=specification.platformnames
+ rawfamilynames=specification.rawfamilynames
+ else
+ subfont=tonumber(specification)
+ end
+ local fontdata=loadfont {
+ filename=filename,
+ details=true,
+ platformnames=platformnames,
+ instancenames=true,
+ }
+ if fontdata then
+ local subfonts=fontdata.subfonts
+ if not subfonts then
+ return getinfo(fontdata,nil,platformnames,rawfamilynames,false,instancenames)
+ elseif not subfont then
+ local info={}
+ for i=1,#subfonts do
+ info[i]=getinfo(fontdata,i,platformnames,rawfamilynames,false,instancenames)
+ end
+ return info
+ elseif subfont>=1 and subfont<=#subfonts then
+ return getinfo(fontdata,subfont,platformnames,rawfamilynames,false,instancenames)
+ else
+ return {
+ filename=filename,
+ comment="there is no subfont "..subfont.." in this file"
+ }
+ end
+ else
+ return {
+ filename=filename,
+ comment="the file cannot be opened for reading",
+ }
+ end
+end
+function readers.rehash(fontdata,hashmethod)
+ report("the %a helper is not yet implemented","rehash")
+end
+function readers.checkhash(fontdata)
+ report("the %a helper is not yet implemented","checkhash")
+end
+function readers.pack(fontdata,hashmethod)
+ report("the %a helper is not yet implemented","pack")
+end
+function readers.unpack(fontdata)
+ report("the %a helper is not yet implemented","unpack")
+end
+function readers.expand(fontdata)
+ report("the %a helper is not yet implemented","unpack")
+end
+function readers.compact(fontdata)
+ report("the %a helper is not yet implemented","compact")
+end
+local extenders={}
+function readers.registerextender(extender)
+ extenders[#extenders+1]=extender
+end
+function readers.extend(fontdata)
+ for i=1,#extenders do
+ local extender=extenders[i]
+ local name=extender.name or "unknown"
+ local action=extender.action
+ if action then
+ action(fontdata)
+ end
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-oti']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local lower=string.lower
+local fonts=fonts
+local constructors=fonts.constructors
+local otf=constructors.handlers.otf
+local otffeatures=constructors.features.otf
+local registerotffeature=otffeatures.register
+local otftables=otf.tables or {}
+otf.tables=otftables
+local allocate=utilities.storage.allocate
+registerotffeature {
+ name="features",
+ description="initialization of feature handler",
+ default=true,
+}
+local function setmode(tfmdata,value)
+ if value then
+ tfmdata.properties.mode=lower(value)
+ end
+end
+otf.modeinitializer=setmode
+local function setlanguage(tfmdata,value)
+ if value then
+ local cleanvalue=lower(value)
+ local languages=otftables and otftables.languages
+ local properties=tfmdata.properties
+ if not languages then
+ properties.language=cleanvalue
+ elseif languages[value] then
+ properties.language=cleanvalue
+ else
+ properties.language="dflt"
+ end
+ end
+end
+local function setscript(tfmdata,value)
+ if value then
+ local cleanvalue=lower(value)
+ local scripts=otftables and otftables.scripts
+ local properties=tfmdata.properties
+ if not scripts then
+ properties.script=cleanvalue
+ elseif scripts[value] then
+ properties.script=cleanvalue
+ else
+ properties.script="dflt"
+ end
+ end
+end
+registerotffeature {
+ name="mode",
+ description="mode",
+ initializers={
+ base=setmode,
+ node=setmode,
+ plug=setmode,
+ }
+}
+registerotffeature {
+ name="language",
+ description="language",
+ initializers={
+ base=setlanguage,
+ node=setlanguage,
+ plug=setlanguage,
+ }
+}
+registerotffeature {
+ name="script",
+ description="script",
+ initializers={
+ base=setscript,
+ node=setscript,
+ plug=setscript,
+ }
+}
+otftables.featuretypes=allocate {
+ gpos_single="position",
+ gpos_pair="position",
+ gpos_cursive="position",
+ gpos_mark2base="position",
+ gpos_mark2ligature="position",
+ gpos_mark2mark="position",
+ gpos_context="position",
+ gpos_contextchain="position",
+ gsub_single="substitution",
+ gsub_multiple="substitution",
+ gsub_alternate="substitution",
+ gsub_ligature="substitution",
+ gsub_context="substitution",
+ gsub_contextchain="substitution",
+ gsub_reversecontextchain="substitution",
+ gsub_reversesub="substitution",
+}
+function otffeatures.checkeddefaultscript(featuretype,autoscript,scripts)
+ if featuretype=="position" then
+ local default=scripts.dflt
+ if default then
+ if autoscript=="position" or autoscript==true then
+ return default
+ else
+ report_otf("script feature %s not applied, enable default positioning")
+ end
+ else
+ end
+ elseif featuretype=="substitution" then
+ local default=scripts.dflt
+ if default then
+ if autoscript=="substitution" or autoscript==true then
+ return default
+ end
+ end
+ end
+end
+function otffeatures.checkeddefaultlanguage(featuretype,autolanguage,languages)
+ if featuretype=="position" then
+ local default=languages.dflt
+ if default then
+ if autolanguage=="position" or autolanguage==true then
+ return default
+ else
+ report_otf("language feature %s not applied, enable default positioning")
+ end
+ else
+ end
+ elseif featuretype=="substitution" then
+ local default=languages.dflt
+ if default then
+ if autolanguage=="substitution" or autolanguage==true then
+ return default
+ end
+ end
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ["font-ott"]={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files",
+}
+local type,next,tonumber,tostring,rawget,rawset=type,next,tonumber,tostring,rawget,rawset
+local gsub,lower,format,match,gmatch,find=string.gsub,string.lower,string.format,string.match,string.gmatch,string.find
+local sequenced=table.sequenced
+local is_boolean=string.is_boolean
+local setmetatableindex=table.setmetatableindex
+local setmetatablenewindex=table.setmetatablenewindex
+local allocate=utilities.storage.allocate
+local fonts=fonts
+local otf=fonts.handlers.otf
+local otffeatures=otf.features
+local tables=otf.tables or {}
+otf.tables=tables
+local statistics=otf.statistics or {}
+otf.statistics=statistics
+local scripts=allocate {
+ ["arab"]="arabic",
+ ["armi"]="imperial aramaic",
+ ["armn"]="armenian",
+ ["avst"]="avestan",
+ ["bali"]="balinese",
+ ["bamu"]="bamum",
+ ["batk"]="batak",
+ ["beng"]="bengali",
+ ["bng2"]="bengali variant 2",
+ ["bopo"]="bopomofo",
+ ["brah"]="brahmi",
+ ["brai"]="braille",
+ ["bugi"]="buginese",
+ ["buhd"]="buhid",
+ ["byzm"]="byzantine music",
+ ["cakm"]="chakma",
+ ["cans"]="canadian syllabics",
+ ["cari"]="carian",
+ ["cham"]="cham",
+ ["cher"]="cherokee",
+ ["copt"]="coptic",
+ ["cprt"]="cypriot syllabary",
+ ["cyrl"]="cyrillic",
+ ["deva"]="devanagari",
+ ["dev2"]="devanagari variant 2",
+ ["dsrt"]="deseret",
+ ["egyp"]="egyptian heiroglyphs",
+ ["ethi"]="ethiopic",
+ ["geor"]="georgian",
+ ["glag"]="glagolitic",
+ ["goth"]="gothic",
+ ["grek"]="greek",
+ ["gujr"]="gujarati",
+ ["gjr2"]="gujarati variant 2",
+ ["guru"]="gurmukhi",
+ ["gur2"]="gurmukhi variant 2",
+ ["hang"]="hangul",
+ ["hani"]="cjk ideographic",
+ ["hano"]="hanunoo",
+ ["hebr"]="hebrew",
+ ["ital"]="old italic",
+ ["jamo"]="hangul jamo",
+ ["java"]="javanese",
+ ["kali"]="kayah li",
+ ["kana"]="hiragana and katakana",
+ ["khar"]="kharosthi",
+ ["khmr"]="khmer",
+ ["knda"]="kannada",
+ ["knd2"]="kannada variant 2",
+ ["kthi"]="kaithi",
+ ["lana"]="tai tham",
+ ["lao" ]="lao",
+ ["latn"]="latin",
+ ["lepc"]="lepcha",
+ ["limb"]="limbu",
+ ["linb"]="linear b",
+ ["lisu"]="lisu",
+ ["lyci"]="lycian",
+ ["lydi"]="lydian",
+ ["mand"]="mandaic and mandaean",
+ ["math"]="mathematical alphanumeric symbols",
+ ["merc"]="meroitic cursive",
+ ["mero"]="meroitic hieroglyphs",
+ ["mlym"]="malayalam",
+ ["mlm2"]="malayalam variant 2",
+ ["mong"]="mongolian",
+ ["mtei"]="meitei Mayek",
+ ["musc"]="musical symbols",
+ ["mym2"]="myanmar variant 2",
+ ["mymr"]="myanmar",
+ ["nko" ]='n"ko',
+ ["ogam"]="ogham",
+ ["olck"]="ol chiki",
+ ["orkh"]="old turkic and orkhon runic",
+ ["orya"]="oriya",
+ ["ory2"]="odia variant 2",
+ ["osma"]="osmanya",
+ ["phag"]="phags-pa",
+ ["phli"]="inscriptional pahlavi",
+ ["phnx"]="phoenician",
+ ["prti"]="inscriptional parthian",
+ ["rjng"]="rejang",
+ ["runr"]="runic",
+ ["samr"]="samaritan",
+ ["sarb"]="old south arabian",
+ ["saur"]="saurashtra",
+ ["shaw"]="shavian",
+ ["shrd"]="sharada",
+ ["sinh"]="sinhala",
+ ["sora"]="sora sompeng",
+ ["sund"]="sundanese",
+ ["sylo"]="syloti nagri",
+ ["syrc"]="syriac",
+ ["tagb"]="tagbanwa",
+ ["takr"]="takri",
+ ["tale"]="tai le",
+ ["talu"]="tai lu",
+ ["taml"]="tamil",
+ ["tavt"]="tai viet",
+ ["telu"]="telugu",
+ ["tel2"]="telugu variant 2",
+ ["tfng"]="tifinagh",
+ ["tglg"]="tagalog",
+ ["thaa"]="thaana",
+ ["thai"]="thai",
+ ["tibt"]="tibetan",
+ ["tml2"]="tamil variant 2",
+ ["ugar"]="ugaritic cuneiform",
+ ["vai" ]="vai",
+ ["xpeo"]="old persian cuneiform",
+ ["xsux"]="sumero-akkadian cuneiform",
+ ["yi" ]="yi",
+}
+local languages=allocate {
+ ["aba" ]="abaza",
+ ["abk" ]="abkhazian",
+ ["ach" ]="acholi",
+ ["acr" ]="achi",
+ ["ady" ]="adyghe",
+ ["afk" ]="afrikaans",
+ ["afr" ]="afar",
+ ["agw" ]="agaw",
+ ["aio" ]="aiton",
+ ["aka" ]="akan",
+ ["als" ]="alsatian",
+ ["alt" ]="altai",
+ ["amh" ]="amharic",
+ ["ang" ]="anglo-saxon",
+ ["apph"]="phonetic transcription—americanist conventions",
+ ["ara" ]="arabic",
+ ["arg" ]="aragonese",
+ ["ari" ]="aari",
+ ["ark" ]="rakhine",
+ ["asm" ]="assamese",
+ ["ast" ]="asturian",
+ ["ath" ]="athapaskan",
+ ["avr" ]="avar",
+ ["awa" ]="awadhi",
+ ["aym" ]="aymara",
+ ["azb" ]="torki",
+ ["aze" ]="azerbaijani",
+ ["bad" ]="badaga",
+ ["bad0"]="banda",
+ ["bag" ]="baghelkhandi",
+ ["bal" ]="balkar",
+ ["ban" ]="balinese",
+ ["bar" ]="bavarian",
+ ["bau" ]="baulé",
+ ["bbc" ]="batak toba",
+ ["bbr" ]="berber",
+ ["bch" ]="bench",
+ ["bcr" ]="bible cree",
+ ["bdy" ]="bandjalang",
+ ["bel" ]="belarussian",
+ ["bem" ]="bemba",
+ ["ben" ]="bengali",
+ ["bgc" ]="haryanvi",
+ ["bgq" ]="bagri",
+ ["bgr" ]="bulgarian",
+ ["bhi" ]="bhili",
+ ["bho" ]="bhojpuri",
+ ["bik" ]="bikol",
+ ["bil" ]="bilen",
+ ["bis" ]="bislama",
+ ["bjj" ]="kanauji",
+ ["bkf" ]="blackfoot",
+ ["bli" ]="baluchi",
+ ["blk" ]="pa'o karen",
+ ["bln" ]="balante",
+ ["blt" ]="balti",
+ ["bmb" ]="bambara (bamanankan)",
+ ["bml" ]="bamileke",
+ ["bos" ]="bosnian",
+ ["bpy" ]="bishnupriya manipuri",
+ ["bre" ]="breton",
+ ["brh" ]="brahui",
+ ["bri" ]="braj bhasha",
+ ["brm" ]="burmese",
+ ["brx" ]="bodo",
+ ["bsh" ]="bashkir",
+ ["bti" ]="beti",
+ ["bts" ]="batak simalungun",
+ ["bug" ]="bugis",
+ ["cak" ]="kaqchikel",
+ ["cat" ]="catalan",
+ ["cbk" ]="zamboanga chavacano",
+ ["ceb" ]="cebuano",
+ ["cgg" ]="chiga",
+ ["cha" ]="chamorro",
+ ["che" ]="chechen",
+ ["chg" ]="chaha gurage",
+ ["chh" ]="chattisgarhi",
+ ["chi" ]="chichewa (chewa, nyanja)",
+ ["chk" ]="chukchi",
+ ["chk0"]="chuukese",
+ ["cho" ]="choctaw",
+ ["chp" ]="chipewyan",
+ ["chr" ]="cherokee",
+ ["chu" ]="chuvash",
+ ["chy" ]="cheyenne",
+ ["cmr" ]="comorian",
+ ["cop" ]="coptic",
+ ["cor" ]="cornish",
+ ["cos" ]="corsican",
+ ["cpp" ]="creoles",
+ ["cre" ]="cree",
+ ["crr" ]="carrier",
+ ["crt" ]="crimean tatar",
+ ["csb" ]="kashubian",
+ ["csl" ]="church slavonic",
+ ["csy" ]="czech",
+ ["ctg" ]="chittagonian",
+ ["cuk" ]="san blas kuna",
+ ["dan" ]="danish",
+ ["dar" ]="dargwa",
+ ["dax" ]="dayi",
+ ["dcr" ]="woods cree",
+ ["deu" ]="german",
+ ["dgo" ]="dogri",
+ ["dgr" ]="dogri",
+ ["dhg" ]="dhangu",
+ ["dhv" ]="divehi (dhivehi, maldivian)",
+ ["diq" ]="dimli",
+ ["div" ]="divehi (dhivehi, maldivian)",
+ ["djr" ]="zarma",
+ ["djr0"]="djambarrpuyngu",
+ ["dng" ]="dangme",
+ ["dnj" ]="dan",
+ ["dnk" ]="dinka",
+ ["dri" ]="dari",
+ ["duj" ]="dhuwal",
+ ["dun" ]="dungan",
+ ["dzn" ]="dzongkha",
+ ["ebi" ]="ebira",
+ ["ecr" ]="eastern cree",
+ ["edo" ]="edo",
+ ["efi" ]="efik",
+ ["ell" ]="greek",
+ ["emk" ]="eastern maninkakan",
+ ["eng" ]="english",
+ ["erz" ]="erzya",
+ ["esp" ]="spanish",
+ ["esu" ]="central yupik",
+ ["eti" ]="estonian",
+ ["euq" ]="basque",
+ ["evk" ]="evenki",
+ ["evn" ]="even",
+ ["ewe" ]="ewe",
+ ["fan" ]="french antillean",
+ ["fan0"]=" fang",
+ ["far" ]="persian",
+ ["fat" ]="fanti",
+ ["fin" ]="finnish",
+ ["fji" ]="fijian",
+ ["fle" ]="dutch (flemish)",
+ ["fne" ]="forest nenets",
+ ["fon" ]="fon",
+ ["fos" ]="faroese",
+ ["fra" ]="french",
+ ["frc" ]="cajun french",
+ ["fri" ]="frisian",
+ ["frl" ]="friulian",
+ ["frp" ]="arpitan",
+ ["fta" ]="futa",
+ ["ful" ]="fulah",
+ ["fuv" ]="nigerian fulfulde",
+ ["gad" ]="ga",
+ ["gae" ]="scottish gaelic (gaelic)",
+ ["gag" ]="gagauz",
+ ["gal" ]="galician",
+ ["gar" ]="garshuni",
+ ["gaw" ]="garhwali",
+ ["gez" ]="ge'ez",
+ ["gih" ]="githabul",
+ ["gil" ]="gilyak",
+ ["gil0"]="kiribati (gilbertese)",
+ ["gkp" ]="kpelle (guinea)",
+ ["glk" ]="gilaki",
+ ["gmz" ]="gumuz",
+ ["gnn" ]="gumatj",
+ ["gog" ]="gogo",
+ ["gon" ]="gondi",
+ ["grn" ]="greenlandic",
+ ["gro" ]="garo",
+ ["gua" ]="guarani",
+ ["guc" ]="wayuu",
+ ["guf" ]="gupapuyngu",
+ ["guj" ]="gujarati",
+ ["guz" ]="gusii",
+ ["hai" ]="haitian (haitian creole)",
+ ["hal" ]="halam",
+ ["har" ]="harauti",
+ ["hau" ]="hausa",
+ ["haw" ]="hawaiian",
+ ["hay" ]="haya",
+ ["haz" ]="hazaragi",
+ ["hbn" ]="hammer-banna",
+ ["her" ]="herero",
+ ["hil" ]="hiligaynon",
+ ["hin" ]="hindi",
+ ["hma" ]="high mari",
+ ["hmn" ]="hmong",
+ ["hmo" ]="hiri motu",
+ ["hnd" ]="hindko",
+ ["ho" ]="ho",
+ ["hri" ]="harari",
+ ["hrv" ]="croatian",
+ ["hun" ]="hungarian",
+ ["hye" ]="armenian",
+ ["hye0"]="armenian east",
+ ["iba" ]="iban",
+ ["ibb" ]="ibibio",
+ ["ibo" ]="igbo",
+ ["ido" ]="ido",
+ ["ijo" ]="ijo languages",
+ ["ile" ]="interlingue",
+ ["ilo" ]="ilokano",
+ ["ina" ]="interlingua",
+ ["ind" ]="indonesian",
+ ["ing" ]="ingush",
+ ["inu" ]="inuktitut",
+ ["ipk" ]="inupiat",
+ ["ipph"]="phonetic transcription—ipa conventions",
+ ["iri" ]="irish",
+ ["irt" ]="irish traditional",
+ ["isl" ]="icelandic",
+ ["ism" ]="inari sami",
+ ["ita" ]="italian",
+ ["iwr" ]="hebrew",
+ ["jam" ]="jamaican creole",
+ ["jan" ]="japanese",
+ ["jav" ]="javanese",
+ ["jbo" ]="lojban",
+ ["jii" ]="yiddish",
+ ["jud" ]="ladino",
+ ["jul" ]="jula",
+ ["kab" ]="kabardian",
+ ["kab0"]="kabyle",
+ ["kac" ]="kachchi",
+ ["kal" ]="kalenjin",
+ ["kan" ]="kannada",
+ ["kar" ]="karachay",
+ ["kat" ]="georgian",
+ ["kaz" ]="kazakh",
+ ["kde" ]="makonde",
+ ["kea" ]="kabuverdianu (crioulo)",
+ ["keb" ]="kebena",
+ ["kek" ]="kekchi",
+ ["kge" ]="khutsuri georgian",
+ ["kha" ]="khakass",
+ ["khk" ]="khanty-kazim",
+ ["khm" ]="khmer",
+ ["khs" ]="khanty-shurishkar",
+ ["kht" ]="khamti shan",
+ ["khv" ]="khanty-vakhi",
+ ["khw" ]="khowar",
+ ["kik" ]="kikuyu (gikuyu)",
+ ["kir" ]="kirghiz (kyrgyz)",
+ ["kis" ]="kisii",
+ ["kiu" ]="kirmanjki",
+ ["kjd" ]="southern kiwai",
+ ["kjp" ]="eastern pwo karen",
+ ["kkn" ]="kokni",
+ ["klm" ]="kalmyk",
+ ["kmb" ]="kamba",
+ ["kmn" ]="kumaoni",
+ ["kmo" ]="komo",
+ ["kms" ]="komso",
+ ["knr" ]="kanuri",
+ ["kod" ]="kodagu",
+ ["koh" ]="korean old hangul",
+ ["kok" ]="konkani",
+ ["kom" ]="komi",
+ ["kon" ]="kikongo",
+ ["kon0"]="kongo",
+ ["kop" ]="komi-permyak",
+ ["kor" ]="korean",
+ ["kos" ]="kosraean",
+ ["koz" ]="komi-zyrian",
+ ["kpl" ]="kpelle",
+ ["kri" ]="krio",
+ ["krk" ]="karakalpak",
+ ["krl" ]="karelian",
+ ["krm" ]="karaim",
+ ["krn" ]="karen",
+ ["krt" ]="koorete",
+ ["ksh" ]="kashmiri",
+ ["ksh0"]="ripuarian",
+ ["ksi" ]="khasi",
+ ["ksm" ]="kildin sami",
+ ["ksw" ]="s’gaw karen",
+ ["kua" ]="kuanyama",
+ ["kui" ]="kui",
+ ["kul" ]="kulvi",
+ ["kum" ]="kumyk",
+ ["kur" ]="kurdish",
+ ["kuu" ]="kurukh",
+ ["kuy" ]="kuy",
+ ["kyk" ]="koryak",
+ ["kyu" ]="western kayah",
+ ["lad" ]="ladin",
+ ["lah" ]="lahuli",
+ ["lak" ]="lak",
+ ["lam" ]="lambani",
+ ["lao" ]="lao",
+ ["lat" ]="latin",
+ ["laz" ]="laz",
+ ["lcr" ]="l-cree",
+ ["ldk" ]="ladakhi",
+ ["lez" ]="lezgi",
+ ["lij" ]="ligurian",
+ ["lim" ]="limburgish",
+ ["lin" ]="lingala",
+ ["lis" ]="lisu",
+ ["ljp" ]="lampung",
+ ["lki" ]="laki",
+ ["lma" ]="low mari",
+ ["lmb" ]="limbu",
+ ["lmo" ]="lombard",
+ ["lmw" ]="lomwe",
+ ["lom" ]="loma",
+ ["lrc" ]="luri",
+ ["lsb" ]="lower sorbian",
+ ["lsm" ]="lule sami",
+ ["lth" ]="lithuanian",
+ ["ltz" ]="luxembourgish",
+ ["lua" ]="luba-lulua",
+ ["lub" ]="luba-katanga",
+ ["lug" ]="ganda",
+ ["luh" ]="luyia",
+ ["luo" ]="luo",
+ ["lvi" ]="latvian",
+ ["mad" ]="madura",
+ ["mag" ]="magahi",
+ ["mah" ]="marshallese",
+ ["maj" ]="majang",
+ ["mak" ]="makhuwa",
+ ["mal" ]="malayalam reformed",
+ ["mam" ]="mam",
+ ["man" ]="mansi",
+ ["map" ]="mapudungun",
+ ["mar" ]="marathi",
+ ["maw" ]="marwari",
+ ["mbn" ]="mbundu",
+ ["mch" ]="manchu",
+ ["mcr" ]="moose cree",
+ ["mde" ]="mende",
+ ["mdr" ]="mandar",
+ ["men" ]="me'en",
+ ["mer" ]="meru",
+ ["mfe" ]="morisyen",
+ ["min" ]="minangkabau",
+ ["miz" ]="mizo",
+ ["mkd" ]="macedonian",
+ ["mkr" ]="makasar",
+ ["mkw" ]="kituba",
+ ["mle" ]="male",
+ ["mlg" ]="malagasy",
+ ["mln" ]="malinke",
+ ["mly" ]="malay",
+ ["mnd" ]="mandinka",
+ ["mng" ]="mongolian",
+ ["mni" ]="manipuri",
+ ["mnk" ]="maninka",
+ ["mnx" ]="manx",
+ ["moh" ]="mohawk",
+ ["mok" ]="moksha",
+ ["mol" ]="moldavian",
+ ["mon" ]="mon",
+ ["mor" ]="moroccan",
+ ["mos" ]="mossi",
+ ["mri" ]="maori",
+ ["mth" ]="maithili",
+ ["mts" ]="maltese",
+ ["mun" ]="mundari",
+ ["mus" ]="muscogee",
+ ["mwl" ]="mirandese",
+ ["mww" ]="hmong daw",
+ ["myn" ]="mayan",
+ ["mzn" ]="mazanderani",
+ ["nag" ]="naga-assamese",
+ ["nah" ]="nahuatl",
+ ["nan" ]="nanai",
+ ["nap" ]="neapolitan",
+ ["nas" ]="naskapi",
+ ["nau" ]="nauruan",
+ ["nav" ]="navajo",
+ ["ncr" ]="n-cree",
+ ["ndb" ]="ndebele",
+ ["ndc" ]="ndau",
+ ["ndg" ]="ndonga",
+ ["nds" ]="low saxon",
+ ["nep" ]="nepali",
+ ["new" ]="newari",
+ ["nga" ]="ngbaka",
+ ["ngr" ]="nagari",
+ ["nhc" ]="norway house cree",
+ ["nis" ]="nisi",
+ ["niu" ]="niuean",
+ ["nkl" ]="nyankole",
+ ["nko" ]="n'ko",
+ ["nld" ]="dutch",
+ ["noe" ]="nimadi",
+ ["nog" ]="nogai",
+ ["nor" ]="norwegian",
+ ["nov" ]="novial",
+ ["nsm" ]="northern sami",
+ ["nso" ]="sotho, northern",
+ ["nta" ]="northern tai",
+ ["nto" ]="esperanto",
+ ["nym" ]="nyamwezi",
+ ["nyn" ]="norwegian nynorsk",
+ ["oci" ]="occitan",
+ ["ocr" ]="oji-cree",
+ ["ojb" ]="ojibway",
+ ["ori" ]="odia",
+ ["oro" ]="oromo",
+ ["oss" ]="ossetian",
+ ["paa" ]="palestinian aramaic",
+ ["pag" ]="pangasinan",
+ ["pal" ]="pali",
+ ["pam" ]="pampangan",
+ ["pan" ]="punjabi",
+ ["pap" ]="palpa",
+ ["pap0"]="papiamentu",
+ ["pas" ]="pashto",
+ ["pau" ]="palauan",
+ ["pcc" ]="bouyei",
+ ["pcd" ]="picard",
+ ["pdc" ]="pennsylvania german",
+ ["pgr" ]="polytonic greek",
+ ["phk" ]="phake",
+ ["pih" ]="norfolk",
+ ["pil" ]="filipino",
+ ["plg" ]="palaung",
+ ["plk" ]="polish",
+ ["pms" ]="piemontese",
+ ["pnb" ]="western panjabi",
+ ["poh" ]="pocomchi",
+ ["pon" ]="pohnpeian",
+ ["pro" ]="provencal",
+ ["ptg" ]="portuguese",
+ ["pwo" ]="western pwo karen",
+ ["qin" ]="chin",
+ ["quc" ]="k’iche’",
+ ["quh" ]="quechua (bolivia)",
+ ["quz" ]="quechua",
+ ["qvi" ]="quechua (ecuador)",
+ ["qwh" ]="quechua (peru)",
+ ["raj" ]="rajasthani",
+ ["rar" ]="rarotongan",
+ ["rbu" ]="russian buriat",
+ ["rcr" ]="r-cree",
+ ["rej" ]="rejang",
+ ["ria" ]="riang",
+ ["rif" ]="tarifit",
+ ["rit" ]="ritarungo",
+ ["rkw" ]="arakwal",
+ ["rms" ]="romansh",
+ ["rmy" ]="vlax romani",
+ ["rom" ]="romanian",
+ ["roy" ]="romany",
+ ["rsy" ]="rusyn",
+ ["rtm" ]="rotuman",
+ ["rua" ]="kinyarwanda",
+ ["run" ]="rundi",
+ ["rup" ]="aromanian",
+ ["rus" ]="russian",
+ ["sad" ]="sadri",
+ ["san" ]="sanskrit",
+ ["sas" ]="sasak",
+ ["sat" ]="santali",
+ ["say" ]="sayisi",
+ ["scn" ]="sicilian",
+ ["sco" ]="scots",
+ ["sek" ]="sekota",
+ ["sel" ]="selkup",
+ ["sga" ]="old irish",
+ ["sgo" ]="sango",
+ ["sgs" ]="samogitian",
+ ["shi" ]="tachelhit",
+ ["shn" ]="shan",
+ ["sib" ]="sibe",
+ ["sid" ]="sidamo",
+ ["sig" ]="silte gurage",
+ ["sks" ]="skolt sami",
+ ["sky" ]="slovak",
+ ["sla" ]="slavey",
+ ["slv" ]="slovenian",
+ ["sml" ]="somali",
+ ["smo" ]="samoan",
+ ["sna" ]="sena",
+ ["sna0"]="shona",
+ ["snd" ]="sindhi",
+ ["snh" ]="sinhala (sinhalese)",
+ ["snk" ]="soninke",
+ ["sog" ]="sodo gurage",
+ ["sop" ]="songe",
+ ["sot" ]="sotho, southern",
+ ["sqi" ]="albanian",
+ ["srb" ]="serbian",
+ ["srd" ]="sardinian",
+ ["srk" ]="saraiki",
+ ["srr" ]="serer",
+ ["ssl" ]="south slavey",
+ ["ssm" ]="southern sami",
+ ["stq" ]="saterland frisian",
+ ["suk" ]="sukuma",
+ ["sun" ]="sundanese",
+ ["sur" ]="suri",
+ ["sva" ]="svan",
+ ["sve" ]="swedish",
+ ["swa" ]="swadaya aramaic",
+ ["swk" ]="swahili",
+ ["swz" ]="swati",
+ ["sxt" ]="sutu",
+ ["sxu" ]="upper saxon",
+ ["syl" ]="sylheti",
+ ["syr" ]="syriac",
+ ["szl" ]="silesian",
+ ["tab" ]="tabasaran",
+ ["taj" ]="tajiki",
+ ["tam" ]="tamil",
+ ["tat" ]="tatar",
+ ["tcr" ]="th-cree",
+ ["tdd" ]="dehong dai",
+ ["tel" ]="telugu",
+ ["tet" ]="tetum",
+ ["tgl" ]="tagalog",
+ ["tgn" ]="tongan",
+ ["tgr" ]="tigre",
+ ["tgy" ]="tigrinya",
+ ["tha" ]="thai",
+ ["tht" ]="tahitian",
+ ["tib" ]="tibetan",
+ ["tiv" ]="tiv",
+ ["tkm" ]="turkmen",
+ ["tmh" ]="tamashek",
+ ["tmn" ]="temne",
+ ["tna" ]="tswana",
+ ["tne" ]="tundra nenets",
+ ["tng" ]="tonga",
+ ["tod" ]="todo",
+ ["tod0"]="toma",
+ ["tpi" ]="tok pisin",
+ ["trk" ]="turkish",
+ ["tsg" ]="tsonga",
+ ["tua" ]="turoyo aramaic",
+ ["tul" ]="tulu",
+ ["tuv" ]="tuvin",
+ ["tvl" ]="tuvalu",
+ ["twi" ]="twi",
+ ["tyz" ]="tày",
+ ["tzm" ]="tamazight",
+ ["tzo" ]="tzotzil",
+ ["udm" ]="udmurt",
+ ["ukr" ]="ukrainian",
+ ["umb" ]="umbundu",
+ ["urd" ]="urdu",
+ ["usb" ]="upper sorbian",
+ ["uyg" ]="uyghur",
+ ["uzb" ]="uzbek",
+ ["vec" ]="venetian",
+ ["ven" ]="venda",
+ ["vit" ]="vietnamese",
+ ["vol" ]="volapük",
+ ["vro" ]="võro",
+ ["wa" ]="wa",
+ ["wag" ]="wagdi",
+ ["war" ]="waray-waray",
+ ["wcr" ]="west-cree",
+ ["wel" ]="welsh",
+ ["wlf" ]="wolof",
+ ["wln" ]="walloon",
+ ["xbd" ]="lü",
+ ["xhs" ]="xhosa",
+ ["xjb" ]="minjangbal",
+ ["xog" ]="soga",
+ ["xpe" ]="kpelle (liberia)",
+ ["yak" ]="sakha",
+ ["yao" ]="yao",
+ ["yap" ]="yapese",
+ ["yba" ]="yoruba",
+ ["ycr" ]="y-cree",
+ ["yic" ]="yi classic",
+ ["yim" ]="yi modern",
+ ["zea" ]="zealandic",
+ ["zgh" ]="standard morrocan tamazigh",
+ ["zha" ]="zhuang",
+ ["zhh" ]="chinese, hong kong sar",
+ ["zhp" ]="chinese phonetic",
+ ["zhs" ]="chinese simplified",
+ ["zht" ]="chinese traditional",
+ ["znd" ]="zande",
+ ["zul" ]="zulu",
+ ["zza" ]="zazaki",
+}
+local features=allocate {
+ ["aalt"]="access all alternates",
+ ["abvf"]="above-base forms",
+ ["abvm"]="above-base mark positioning",
+ ["abvs"]="above-base substitutions",
+ ["afrc"]="alternative fractions",
+ ["akhn"]="akhands",
+ ["blwf"]="below-base forms",
+ ["blwm"]="below-base mark positioning",
+ ["blws"]="below-base substitutions",
+ ["c2pc"]="petite capitals from capitals",
+ ["c2sc"]="small capitals from capitals",
+ ["calt"]="contextual alternates",
+ ["case"]="case-sensitive forms",
+ ["ccmp"]="glyph composition/decomposition",
+ ["cfar"]="conjunct form after ro",
+ ["cjct"]="conjunct forms",
+ ["clig"]="contextual ligatures",
+ ["cpct"]="centered cjk punctuation",
+ ["cpsp"]="capital spacing",
+ ["cswh"]="contextual swash",
+ ["curs"]="cursive positioning",
+ ["dflt"]="default processing",
+ ["dist"]="distances",
+ ["dlig"]="discretionary ligatures",
+ ["dnom"]="denominators",
+ ["dtls"]="dotless forms",
+ ["expt"]="expert forms",
+ ["falt"]="final glyph alternates",
+ ["fin2"]="terminal forms #2",
+ ["fin3"]="terminal forms #3",
+ ["fina"]="terminal forms",
+ ["flac"]="flattened accents over capitals",
+ ["frac"]="fractions",
+ ["fwid"]="full width",
+ ["half"]="half forms",
+ ["haln"]="halant forms",
+ ["halt"]="alternate half width",
+ ["hist"]="historical forms",
+ ["hkna"]="horizontal kana alternates",
+ ["hlig"]="historical ligatures",
+ ["hngl"]="hangul",
+ ["hojo"]="hojo kanji forms",
+ ["hwid"]="half width",
+ ["init"]="initial forms",
+ ["isol"]="isolated forms",
+ ["ital"]="italics",
+ ["jalt"]="justification alternatives",
+ ["jp04"]="jis2004 forms",
+ ["jp78"]="jis78 forms",
+ ["jp83"]="jis83 forms",
+ ["jp90"]="jis90 forms",
+ ["kern"]="kerning",
+ ["lfbd"]="left bounds",
+ ["liga"]="standard ligatures",
+ ["ljmo"]="leading jamo forms",
+ ["lnum"]="lining figures",
+ ["locl"]="localized forms",
+ ["ltra"]="left-to-right alternates",
+ ["ltrm"]="left-to-right mirrored forms",
+ ["mark"]="mark positioning",
+ ["med2"]="medial forms #2",
+ ["medi"]="medial forms",
+ ["mgrk"]="mathematical greek",
+ ["mkmk"]="mark to mark positioning",
+ ["mset"]="mark positioning via substitution",
+ ["nalt"]="alternate annotation forms",
+ ["nlck"]="nlc kanji forms",
+ ["nukt"]="nukta forms",
+ ["numr"]="numerators",
+ ["onum"]="old style figures",
+ ["opbd"]="optical bounds",
+ ["ordn"]="ordinals",
+ ["ornm"]="ornaments",
+ ["palt"]="proportional alternate width",
+ ["pcap"]="petite capitals",
+ ["pkna"]="proportional kana",
+ ["pnum"]="proportional figures",
+ ["pref"]="pre-base forms",
+ ["pres"]="pre-base substitutions",
+ ["pstf"]="post-base forms",
+ ["psts"]="post-base substitutions",
+ ["pwid"]="proportional widths",
+ ["qwid"]="quarter widths",
+ ["rand"]="randomize",
+ ["rclt"]="required contextual alternates",
+ ["rkrf"]="rakar forms",
+ ["rlig"]="required ligatures",
+ ["rphf"]="reph form",
+ ["rtbd"]="right bounds",
+ ["rtla"]="right-to-left alternates",
+ ["rtlm"]="right to left mirrored forms",
+ ["rvrn"]="required variation alternates",
+ ["ruby"]="ruby notation forms",
+ ["salt"]="stylistic alternates",
+ ["sinf"]="scientific inferiors",
+ ["size"]="optical size",
+ ["smcp"]="small capitals",
+ ["smpl"]="simplified forms",
+ ["ssty"]="script style",
+ ["stch"]="stretching glyph decomposition",
+ ["subs"]="subscript",
+ ["sups"]="superscript",
+ ["swsh"]="swash",
+ ["titl"]="titling",
+ ["tjmo"]="trailing jamo forms",
+ ["tnam"]="traditional name forms",
+ ["tnum"]="tabular figures",
+ ["trad"]="traditional forms",
+ ["twid"]="third widths",
+ ["unic"]="unicase",
+ ["valt"]="alternate vertical metrics",
+ ["vatu"]="vattu variants",
+ ["vert"]="vertical writing",
+ ["vhal"]="alternate vertical half metrics",
+ ["vjmo"]="vowel jamo forms",
+ ["vkna"]="vertical kana alternates",
+ ["vkrn"]="vertical kerning",
+ ["vpal"]="proportional alternate vertical metrics",
+ ["vrt2"]="vertical rotation",
+ ["zero"]="slashed zero",
+ ["trep"]="traditional tex replacements",
+ ["tlig"]="traditional tex ligatures",
+ ["ss.."]="stylistic set ..",
+ ["cv.."]="character variant ..",
+ ["js.."]="justification ..",
+ ["dv.."]="devanagari ..",
+ ["ml.."]="malayalam ..",
+}
+local baselines=allocate {
+ ["hang"]="hanging baseline",
+ ["icfb"]="ideographic character face bottom edge baseline",
+ ["icft"]="ideographic character face tope edige baseline",
+ ["ideo"]="ideographic em-box bottom edge baseline",
+ ["idtp"]="ideographic em-box top edge baseline",
+ ["math"]="mathematical centered baseline",
+ ["romn"]="roman baseline"
+}
+tables.scripts=scripts
+tables.languages=languages
+tables.features=features
+tables.baselines=baselines
+local acceptscripts=true directives.register("otf.acceptscripts",function(v) acceptscripts=v end)
+local acceptlanguages=true directives.register("otf.acceptlanguages",function(v) acceptlanguages=v end)
+local report_checks=logs.reporter("fonts","checks")
+if otffeatures.features then
+ for k,v in next,otffeatures.features do
+ features[k]=v
+ end
+ otffeatures.features=features
+end
+local function swapped(h)
+ local r={}
+ for k,v in next,h do
+ r[gsub(v,"[^a-z0-9]","")]=k
+ end
+ return r
+end
+local verbosescripts=allocate(swapped(scripts ))
+local verboselanguages=allocate(swapped(languages))
+local verbosefeatures=allocate(swapped(features ))
+local verbosebaselines=allocate(swapped(baselines))
+local function resolve(t,k)
+ if k then
+ k=gsub(lower(k),"[^a-z0-9]","")
+ local v=rawget(t,k)
+ if v then
+ return v
+ end
+ end
+end
+setmetatableindex(verbosescripts,resolve)
+setmetatableindex(verboselanguages,resolve)
+setmetatableindex(verbosefeatures,resolve)
+setmetatableindex(verbosebaselines,resolve)
+setmetatableindex(scripts,function(t,k)
+ if k then
+ k=lower(k)
+ if k=="dflt" then
+ return k
+ end
+ local v=rawget(t,k)
+ if v then
+ return v
+ end
+ k=gsub(k," ","")
+ v=rawget(t,v)
+ if v then
+ return v
+ elseif acceptscripts then
+ report_checks("registering extra script %a",k)
+ rawset(t,k,k)
+ return k
+ end
+ end
+ return "dflt"
+end)
+setmetatableindex(languages,function(t,k)
+ if k then
+ k=lower(k)
+ if k=="dflt" then
+ return k
+ end
+ local v=rawget(t,k)
+ if v then
+ return v
+ end
+ k=gsub(k," ","")
+ v=rawget(t,v)
+ if v then
+ return v
+ elseif acceptlanguages then
+ report_checks("registering extra language %a",k)
+ rawset(t,k,k)
+ return k
+ end
+ end
+ return "dflt"
+end)
+if setmetatablenewindex then
+ setmetatablenewindex(languages,"ignore")
+ setmetatablenewindex(scripts,"ignore")
+ setmetatablenewindex(baselines,"ignore")
+end
+local function resolve(t,k)
+ if k then
+ k=lower(k)
+ local v=rawget(t,k)
+ if v then
+ return v
+ end
+ k=gsub(k," ","")
+ local v=rawget(t,k)
+ if v then
+ return v
+ end
+ local tag,dd=match(k,"(..)(%d+)")
+ if tag and dd then
+ local v=rawget(t,tag)
+ if v then
+ return v
+ else
+ local v=rawget(t,tag.."..")
+ if v then
+ return (gsub(v,"%.%.",tonumber(dd)))
+ end
+ end
+ end
+ end
+ return k
+end
+setmetatableindex(features,resolve)
+local function assign(t,k,v)
+ if k and v then
+ v=lower(v)
+ rawset(t,k,v)
+ end
+end
+if setmetatablenewindex then
+ setmetatablenewindex(features,assign)
+end
+local checkers={
+ rand=function(v)
+ return v==true and "random" or v
+ end
+}
+if not storage then
+ return
+end
+local usedfeatures=statistics.usedfeatures or {}
+statistics.usedfeatures=usedfeatures
+table.setmetatableindex(usedfeatures,function(t,k) if k then local v={} t[k]=v return v end end)
+storage.register("fonts/otf/usedfeatures",usedfeatures,"fonts.handlers.otf.statistics.usedfeatures" )
+local normalizedaxis=otf.readers.helpers.normalizedaxis or function(s) return s end
+function otffeatures.normalize(features)
+ if features then
+ local h={}
+ for key,value in next,features do
+ local k=lower(key)
+ if k=="language" then
+ local v=gsub(lower(value),"[^a-z0-9]","")
+ h.language=rawget(verboselanguages,v) or (languages[v] and v) or "dflt"
+ elseif k=="script" then
+ local v=gsub(lower(value),"[^a-z0-9]","")
+ h.script=rawget(verbosescripts,v) or (scripts[v] and v) or "dflt"
+ elseif k=="axis" then
+ h[k]=normalizedaxis(value)
+ if not callbacks.supported.glyph_stream_provider then
+ h.variableshapes=true
+ end
+ else
+ local uk=usedfeatures[key]
+ local uv=uk[value]
+ if uv then
+ else
+ uv=tonumber(value)
+ if uv then
+ elseif type(value)=="string" then
+ local b=is_boolean(value)
+ if type(b)=="nil" then
+ uv=lower(value)
+ else
+ uv=b
+ end
+ elseif type(value)=="table" then
+ uv=sequenced(t,",")
+ else
+ uv=value
+ end
+ if not rawget(features,k) then
+ k=rawget(verbosefeatures,k) or k
+ end
+ local c=checkers[k]
+ if c then
+ uv=c(uv) or vc
+ end
+ uk[value]=uv
+ end
+ h[k]=uv
+ end
+ end
+ return h
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-cff']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next,type,tonumber=next,type,tonumber
+local byte,char,gmatch=string.byte,string.char,string.gmatch
+local concat,remove=table.concat,table.remove
+local floor,abs,round,ceil,min,max=math.floor,math.abs,math.round,math.ceil,math.min,math.max
+local P,C,R,S,C,Cs,Ct=lpeg.P,lpeg.C,lpeg.R,lpeg.S,lpeg.C,lpeg.Cs,lpeg.Ct
+local lpegmatch=lpeg.match
+local formatters=string.formatters
+local bytetable=string.bytetable
+local readers=fonts.handlers.otf.readers
+local streamreader=readers.streamreader
+local readstring=streamreader.readstring
+local readbyte=streamreader.readcardinal1
+local readushort=streamreader.readcardinal2
+local readuint=streamreader.readcardinal3
+local readulong=streamreader.readcardinal4
+local setposition=streamreader.setposition
+local getposition=streamreader.getposition
+local readbytetable=streamreader.readbytetable
+directives.register("fonts.streamreader",function()
+ streamreader=utilities.streams
+ readstring=streamreader.readstring
+ readbyte=streamreader.readcardinal1
+ readushort=streamreader.readcardinal2
+ readuint=streamreader.readcardinal3
+ readulong=streamreader.readcardinal4
+ setposition=streamreader.setposition
+ getposition=streamreader.getposition
+ readbytetable=streamreader.readbytetable
+end)
+local setmetatableindex=table.setmetatableindex
+local trace_charstrings=false trackers.register("fonts.cff.charstrings",function(v) trace_charstrings=v end)
+local report=logs.reporter("otf reader","cff")
+local parsedictionaries
+local parsecharstring
+local parsecharstrings
+local resetcharstrings
+local parseprivates
+local startparsing
+local stopparsing
+local defaultstrings={ [0]=
+ ".notdef","space","exclam","quotedbl","numbersign","dollar","percent",
+ "ampersand","quoteright","parenleft","parenright","asterisk","plus",
+ "comma","hyphen","period","slash","zero","one","two","three","four",
+ "five","six","seven","eight","nine","colon","semicolon","less",
+ "equal","greater","question","at","A","B","C","D","E","F","G","H",
+ "I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W",
+ "X","Y","Z","bracketleft","backslash","bracketright","asciicircum",
+ "underscore","quoteleft","a","b","c","d","e","f","g","h","i","j",
+ "k","l","m","n","o","p","q","r","s","t","u","v","w","x","y",
+ "z","braceleft","bar","braceright","asciitilde","exclamdown","cent",
+ "sterling","fraction","yen","florin","section","currency",
+ "quotesingle","quotedblleft","guillemotleft","guilsinglleft",
+ "guilsinglright","fi","fl","endash","dagger","daggerdbl",
+ "periodcentered","paragraph","bullet","quotesinglbase","quotedblbase",
+ "quotedblright","guillemotright","ellipsis","perthousand","questiondown",
+ "grave","acute","circumflex","tilde","macron","breve","dotaccent",
+ "dieresis","ring","cedilla","hungarumlaut","ogonek","caron","emdash",
+ "AE","ordfeminine","Lslash","Oslash","OE","ordmasculine","ae",
+ "dotlessi","lslash","oslash","oe","germandbls","onesuperior",
+ "logicalnot","mu","trademark","Eth","onehalf","plusminus","Thorn",
+ "onequarter","divide","brokenbar","degree","thorn","threequarters",
+ "twosuperior","registered","minus","eth","multiply","threesuperior",
+ "copyright","Aacute","Acircumflex","Adieresis","Agrave","Aring",
+ "Atilde","Ccedilla","Eacute","Ecircumflex","Edieresis","Egrave",
+ "Iacute","Icircumflex","Idieresis","Igrave","Ntilde","Oacute",
+ "Ocircumflex","Odieresis","Ograve","Otilde","Scaron","Uacute",
+ "Ucircumflex","Udieresis","Ugrave","Yacute","Ydieresis","Zcaron",
+ "aacute","acircumflex","adieresis","agrave","aring","atilde",
+ "ccedilla","eacute","ecircumflex","edieresis","egrave","iacute",
+ "icircumflex","idieresis","igrave","ntilde","oacute","ocircumflex",
+ "odieresis","ograve","otilde","scaron","uacute","ucircumflex",
+ "udieresis","ugrave","yacute","ydieresis","zcaron","exclamsmall",
+ "Hungarumlautsmall","dollaroldstyle","dollarsuperior","ampersandsmall",
+ "Acutesmall","parenleftsuperior","parenrightsuperior","twodotenleader",
+ "onedotenleader","zerooldstyle","oneoldstyle","twooldstyle",
+ "threeoldstyle","fouroldstyle","fiveoldstyle","sixoldstyle",
+ "sevenoldstyle","eightoldstyle","nineoldstyle","commasuperior",
+ "threequartersemdash","periodsuperior","questionsmall","asuperior",
+ "bsuperior","centsuperior","dsuperior","esuperior","isuperior",
+ "lsuperior","msuperior","nsuperior","osuperior","rsuperior","ssuperior",
+ "tsuperior","ff","ffi","ffl","parenleftinferior","parenrightinferior",
+ "Circumflexsmall","hyphensuperior","Gravesmall","Asmall","Bsmall",
+ "Csmall","Dsmall","Esmall","Fsmall","Gsmall","Hsmall","Ismall",
+ "Jsmall","Ksmall","Lsmall","Msmall","Nsmall","Osmall","Psmall",
+ "Qsmall","Rsmall","Ssmall","Tsmall","Usmall","Vsmall","Wsmall",
+ "Xsmall","Ysmall","Zsmall","colonmonetary","onefitted","rupiah",
+ "Tildesmall","exclamdownsmall","centoldstyle","Lslashsmall",
+ "Scaronsmall","Zcaronsmall","Dieresissmall","Brevesmall","Caronsmall",
+ "Dotaccentsmall","Macronsmall","figuredash","hypheninferior",
+ "Ogoneksmall","Ringsmall","Cedillasmall","questiondownsmall","oneeighth",
+ "threeeighths","fiveeighths","seveneighths","onethird","twothirds",
+ "zerosuperior","foursuperior","fivesuperior","sixsuperior",
+ "sevensuperior","eightsuperior","ninesuperior","zeroinferior",
+ "oneinferior","twoinferior","threeinferior","fourinferior",
+ "fiveinferior","sixinferior","seveninferior","eightinferior",
+ "nineinferior","centinferior","dollarinferior","periodinferior",
+ "commainferior","Agravesmall","Aacutesmall","Acircumflexsmall",
+ "Atildesmall","Adieresissmall","Aringsmall","AEsmall","Ccedillasmall",
+ "Egravesmall","Eacutesmall","Ecircumflexsmall","Edieresissmall",
+ "Igravesmall","Iacutesmall","Icircumflexsmall","Idieresissmall",
+ "Ethsmall","Ntildesmall","Ogravesmall","Oacutesmall","Ocircumflexsmall",
+ "Otildesmall","Odieresissmall","OEsmall","Oslashsmall","Ugravesmall",
+ "Uacutesmall","Ucircumflexsmall","Udieresissmall","Yacutesmall",
+ "Thornsmall","Ydieresissmall","001.000","001.001","001.002","001.003",
+ "Black","Bold","Book","Light","Medium","Regular","Roman","Semibold",
+}
+local cffreaders={
+ readbyte,
+ readushort,
+ readuint,
+ readulong,
+}
+local function readheader(f)
+ local offset=getposition(f)
+ local major=readbyte(f)
+ local header={
+ offset=offset,
+ major=major,
+ minor=readbyte(f),
+ size=readbyte(f),
+ }
+ if major==1 then
+ header.dsize=readbyte(f)
+ elseif major==2 then
+ header.dsize=readushort(f)
+ else
+ end
+ setposition(f,offset+header.size)
+ return header
+end
+local function readlengths(f,longcount)
+ local count=longcount and readulong(f) or readushort(f)
+ if count==0 then
+ return {}
+ end
+ local osize=readbyte(f)
+ local read=cffreaders[osize]
+ if not read then
+ report("bad offset size: %i",osize)
+ return {}
+ end
+ local lengths={}
+ local previous=read(f)
+ for i=1,count do
+ local offset=read(f)
+ local length=offset-previous
+ if length<0 then
+ report("bad offset: %i",length)
+ length=0
+ end
+ lengths[i]=length
+ previous=offset
+ end
+ return lengths
+end
+local function readfontnames(f)
+ local names=readlengths(f)
+ for i=1,#names do
+ names[i]=readstring(f,names[i])
+ end
+ return names
+end
+local function readtopdictionaries(f)
+ local dictionaries=readlengths(f)
+ for i=1,#dictionaries do
+ dictionaries[i]=readstring(f,dictionaries[i])
+ end
+ return dictionaries
+end
+local function readstrings(f)
+ local lengths=readlengths(f)
+ local strings=setmetatableindex({},defaultstrings)
+ local index=#defaultstrings
+ for i=1,#lengths do
+ index=index+1
+ strings[index]=readstring(f,lengths[i])
+ end
+ return strings
+end
+do
+ local stack={}
+ local top=0
+ local result={}
+ local strings={}
+ local p_single=P("\00")/function()
+ result.version=strings[stack[top]] or "unset"
+ top=0
+ end+P("\01")/function()
+ result.notice=strings[stack[top]] or "unset"
+ top=0
+ end+P("\02")/function()
+ result.fullname=strings[stack[top]] or "unset"
+ top=0
+ end+P("\03")/function()
+ result.familyname=strings[stack[top]] or "unset"
+ top=0
+ end+P("\04")/function()
+ result.weight=strings[stack[top]] or "unset"
+ top=0
+ end+P("\05")/function()
+ result.fontbbox={ unpack(stack,1,4) }
+ top=0
+ end
++P("\13")/function()
+ result.uniqueid=stack[top]
+ top=0
+ end+P("\14")/function()
+ result.xuid=concat(stack,"",1,top)
+ top=0
+ end+P("\15")/function()
+ result.charset=stack[top]
+ top=0
+ end+P("\16")/function()
+ result.encoding=stack[top]
+ top=0
+ end+P("\17")/function()
+ result.charstrings=stack[top]
+ top=0
+ end+P("\18")/function()
+ result.private={
+ size=stack[top-1],
+ offset=stack[top],
+ }
+ top=0
+ end+P("\19")/function()
+ result.subroutines=stack[top]
+ top=0
+ end+P("\20")/function()
+ result.defaultwidthx=stack[top]
+ top=0
+ end+P("\21")/function()
+ result.nominalwidthx=stack[top]
+ top=0
+ end
++P("\24")/function()
+ result.vstore=stack[top]
+ top=0
+ end+P("\25")/function()
+ result.maxstack=stack[top]
+ top=0
+ end
+ local p_double=P("\12")*(
+ P("\00")/function()
+ result.copyright=stack[top]
+ top=0
+ end+P("\01")/function()
+ result.monospaced=stack[top]==1 and true or false
+ top=0
+ end+P("\02")/function()
+ result.italicangle=stack[top]
+ top=0
+ end+P("\03")/function()
+ result.underlineposition=stack[top]
+ top=0
+ end+P("\04")/function()
+ result.underlinethickness=stack[top]
+ top=0
+ end+P("\05")/function()
+ result.painttype=stack[top]
+ top=0
+ end+P("\06")/function()
+ result.charstringtype=stack[top]
+ top=0
+ end+P("\07")/function()
+ result.fontmatrix={ unpack(stack,1,6) }
+ top=0
+ end+P("\08")/function()
+ result.strokewidth=stack[top]
+ top=0
+ end+P("\20")/function()
+ result.syntheticbase=stack[top]
+ top=0
+ end+P("\21")/function()
+ result.postscript=strings[stack[top]] or "unset"
+ top=0
+ end+P("\22")/function()
+ result.basefontname=strings[stack[top]] or "unset"
+ top=0
+ end+P("\21")/function()
+ result.basefontblend=stack[top]
+ top=0
+ end+P("\30")/function()
+ result.cid.registry=strings[stack[top-2]] or "unset"
+ result.cid.ordering=strings[stack[top-1]] or "unset"
+ result.cid.supplement=stack[top]
+ top=0
+ end+P("\31")/function()
+ result.cid.fontversion=stack[top]
+ top=0
+ end+P("\32")/function()
+ result.cid.fontrevision=stack[top]
+ top=0
+ end+P("\33")/function()
+ result.cid.fonttype=stack[top]
+ top=0
+ end+P("\34")/function()
+ result.cid.count=stack[top]
+ top=0
+ end+P("\35")/function()
+ result.cid.uidbase=stack[top]
+ top=0
+ end+P("\36")/function()
+ result.cid.fdarray=stack[top]
+ top=0
+ end+P("\37")/function()
+ result.cid.fdselect=stack[top]
+ top=0
+ end+P("\38")/function()
+ result.cid.fontname=strings[stack[top]] or "unset"
+ top=0
+ end
+ )
+ local p_last=P("\x0F")/"0"+P("\x1F")/"1"+P("\x2F")/"2"+P("\x3F")/"3"+P("\x4F")/"4"+P("\x5F")/"5"+P("\x6F")/"6"+P("\x7F")/"7"+P("\x8F")/"8"+P("\x9F")/"9"+P("\xAF")/""+P("\xBF")/""+P("\xCF")/""+P("\xDF")/""+P("\xEF")/""+R("\xF0\xFF")/""
+ local remap={
+ ["\x00"]="00",["\x01"]="01",["\x02"]="02",["\x03"]="03",["\x04"]="04",["\x05"]="05",["\x06"]="06",["\x07"]="07",["\x08"]="08",["\x09"]="09",["\x0A"]="0.",["\x0B"]="0E",["\x0C"]="0E-",["\x0D"]="0",["\x0E"]="0-",["\x0F"]="0",
+ ["\x10"]="10",["\x11"]="11",["\x12"]="12",["\x13"]="13",["\x14"]="14",["\x15"]="15",["\x16"]="16",["\x17"]="17",["\x18"]="18",["\x19"]="19",["\x1A"]="0.",["\x1B"]="0E",["\x1C"]="0E-",["\x1D"]="0",["\x1E"]="0-",["\x1F"]="0",
+ ["\x20"]="20",["\x21"]="21",["\x22"]="22",["\x23"]="23",["\x24"]="24",["\x25"]="25",["\x26"]="26",["\x27"]="27",["\x28"]="28",["\x29"]="29",["\x2A"]="0.",["\x2B"]="0E",["\x2C"]="0E-",["\x2D"]="0",["\x2E"]="0-",["\x2F"]="0",
+ ["\x30"]="30",["\x31"]="31",["\x32"]="32",["\x33"]="33",["\x34"]="34",["\x35"]="35",["\x36"]="36",["\x37"]="37",["\x38"]="38",["\x39"]="39",["\x3A"]="0.",["\x3B"]="0E",["\x3C"]="0E-",["\x3D"]="0",["\x3E"]="0-",["\x3F"]="0",
+ ["\x40"]="40",["\x41"]="41",["\x42"]="42",["\x43"]="43",["\x44"]="44",["\x45"]="45",["\x46"]="46",["\x47"]="47",["\x48"]="48",["\x49"]="49",["\x4A"]="0.",["\x4B"]="0E",["\x4C"]="0E-",["\x4D"]="0",["\x4E"]="0-",["\x4F"]="0",
+ ["\x50"]="50",["\x51"]="51",["\x52"]="52",["\x53"]="53",["\x54"]="54",["\x55"]="55",["\x56"]="56",["\x57"]="57",["\x58"]="58",["\x59"]="59",["\x5A"]="0.",["\x5B"]="0E",["\x5C"]="0E-",["\x5D"]="0",["\x5E"]="0-",["\x5F"]="0",
+ ["\x60"]="60",["\x61"]="61",["\x62"]="62",["\x63"]="63",["\x64"]="64",["\x65"]="65",["\x66"]="66",["\x67"]="67",["\x68"]="68",["\x69"]="69",["\x6A"]="0.",["\x6B"]="0E",["\x6C"]="0E-",["\x6D"]="0",["\x6E"]="0-",["\x6F"]="0",
+ ["\x70"]="70",["\x71"]="71",["\x72"]="72",["\x73"]="73",["\x74"]="74",["\x75"]="75",["\x76"]="76",["\x77"]="77",["\x78"]="78",["\x79"]="79",["\x7A"]="0.",["\x7B"]="0E",["\x7C"]="0E-",["\x7D"]="0",["\x7E"]="0-",["\x7F"]="0",
+ ["\x80"]="80",["\x81"]="81",["\x82"]="82",["\x83"]="83",["\x84"]="84",["\x85"]="85",["\x86"]="86",["\x87"]="87",["\x88"]="88",["\x89"]="89",["\x8A"]="0.",["\x8B"]="0E",["\x8C"]="0E-",["\x8D"]="0",["\x8E"]="0-",["\x8F"]="0",
+ ["\x90"]="90",["\x91"]="91",["\x92"]="92",["\x93"]="93",["\x94"]="94",["\x95"]="95",["\x96"]="96",["\x97"]="97",["\x98"]="98",["\x99"]="99",["\x9A"]="0.",["\x9B"]="0E",["\x9C"]="0E-",["\x9D"]="0",["\x9E"]="0-",["\x9F"]="0",
+ ["\xA0"]=".0",["\xA1"]=".1",["\xA2"]=".2",["\xA3"]=".3",["\xA4"]=".4",["\xA5"]=".5",["\xA6"]=".6",["\xA7"]=".7",["\xA8"]=".8",["\xA9"]=".9",["\xAA"]="..",["\xAB"]=".E",["\xAC"]=".E-",["\xAD"]=".",["\xAE"]=".-",["\xAF"]=".",
+ ["\xB0"]="E0",["\xB1"]="E1",["\xB2"]="E2",["\xB3"]="E3",["\xB4"]="E4",["\xB5"]="E5",["\xB6"]="E6",["\xB7"]="E7",["\xB8"]="E8",["\xB9"]="E9",["\xBA"]="E.",["\xBB"]="EE",["\xBC"]="EE-",["\xBD"]="E",["\xBE"]="E-",["\xBF"]="E",
+ ["\xC0"]="E-0",["\xC1"]="E-1",["\xC2"]="E-2",["\xC3"]="E-3",["\xC4"]="E-4",["\xC5"]="E-5",["\xC6"]="E-6",["\xC7"]="E-7",["\xC8"]="E-8",["\xC9"]="E-9",["\xCA"]="E-.",["\xCB"]="E-E",["\xCC"]="E-E-",["\xCD"]="E-",["\xCE"]="E--",["\xCF"]="E-",
+ ["\xD0"]="-0",["\xD1"]="-1",["\xD2"]="-2",["\xD3"]="-3",["\xD4"]="-4",["\xD5"]="-5",["\xD6"]="-6",["\xD7"]="-7",["\xD8"]="-8",["\xD9"]="-9",["\xDA"]="-.",["\xDB"]="-E",["\xDC"]="-E-",["\xDD"]="-",["\xDE"]="--",["\xDF"]="-",
+ }
+ local p_nibbles=P("\30")*Cs(((1-p_last)/remap)^0+p_last)/function(n)
+ top=top+1
+ stack[top]=tonumber(n) or 0
+ end
+ local p_byte=C(R("\32\246"))/function(b0)
+ top=top+1
+ stack[top]=byte(b0)-139
+ end
+ local p_positive=C(R("\247\250"))*C(1)/function(b0,b1)
+ top=top+1
+ stack[top]=(byte(b0)-247)*256+byte(b1)+108
+ end
+ local p_negative=C(R("\251\254"))*C(1)/function(b0,b1)
+ top=top+1
+ stack[top]=-(byte(b0)-251)*256-byte(b1)-108
+ end
+ local p_short=P("\28")*C(1)*C(1)/function(b1,b2)
+ top=top+1
+ local n=0x100*byte(b1)+byte(b2)
+ if n>=0x8000 then
+ stack[top]=n-0xFFFF-1
+ else
+ stack[top]=n
+ end
+ end
+ local p_long=P("\29")*C(1)*C(1)*C(1)*C(1)/function(b1,b2,b3,b4)
+ top=top+1
+ local n=0x1000000*byte(b1)+0x10000*byte(b2)+0x100*byte(b3)+byte(b4)
+ if n>=0x8000000 then
+ stack[top]=n-0xFFFFFFFF-1
+ else
+ stack[top]=n
+ end
+ end
+ local p_unsupported=P(1)/function(detail)
+ top=0
+ end
+ local p_dictionary=(
+ p_byte+p_positive+p_negative+p_short+p_long+p_nibbles+p_single+p_double+p_unsupported
+ )^1
+ parsedictionaries=function(data,dictionaries,what)
+ stack={}
+ strings=data.strings
+ for i=1,#dictionaries do
+ top=0
+ result=what=="cff" and {
+ monospaced=false,
+ italicangle=0,
+ underlineposition=-100,
+ underlinethickness=50,
+ painttype=0,
+ charstringtype=2,
+ fontmatrix={ 0.001,0,0,0.001,0,0 },
+ fontbbox={ 0,0,0,0 },
+ strokewidth=0,
+ charset=0,
+ encoding=0,
+ cid={
+ fontversion=0,
+ fontrevision=0,
+ fonttype=0,
+ count=8720,
+ }
+ } or {
+ charstringtype=2,
+ charset=0,
+ vstore=0,
+ cid={
+ },
+ }
+ lpegmatch(p_dictionary,dictionaries[i])
+ dictionaries[i]=result
+ end
+ result={}
+ top=0
+ stack={}
+ end
+ parseprivates=function(data,dictionaries)
+ stack={}
+ strings=data.strings
+ for i=1,#dictionaries do
+ local private=dictionaries[i].private
+ if private and private.data then
+ top=0
+ result={
+ forcebold=false,
+ languagegroup=0,
+ expansionfactor=0.06,
+ initialrandomseed=0,
+ subroutines=0,
+ defaultwidthx=0,
+ nominalwidthx=0,
+ cid={
+ },
+ }
+ lpegmatch(p_dictionary,private.data)
+ private.data=result
+ end
+ end
+ result={}
+ top=0
+ stack={}
+ end
+ local x=0
+ local y=0
+ local width=false
+ local r=0
+ local stems=0
+ local globalbias=0
+ local localbias=0
+ local nominalwidth=0
+ local defaultwidth=0
+ local charset=false
+ local globals=false
+ local locals=false
+ local depth=1
+ local xmin=0
+ local xmax=0
+ local ymin=0
+ local ymax=0
+ local checked=false
+ local keepcurve=false
+ local version=2
+ local regions=false
+ local nofregions=0
+ local region=false
+ local factors=false
+ local axis=false
+ local vsindex=0
+ local function showstate(where)
+ report("%w%-10s : [%s] n=%i",depth*2,where,concat(stack," ",1,top),top)
+ end
+ local function showvalue(where,value,showstack)
+ if showstack then
+ report("%w%-10s : %s : [%s] n=%i",depth*2,where,tostring(value),concat(stack," ",1,top),top)
+ else
+ report("%w%-10s : %s",depth*2,where,tostring(value))
+ end
+ end
+ local function xymoveto()
+ if keepcurve then
+ r=r+1
+ result[r]={ x,y,"m" }
+ end
+ if checked then
+ if x>xmax then xmax=x elseif x<xmin then xmin=x end
+ if y>ymax then ymax=y elseif y<ymin then ymin=y end
+ else
+ xmin=x
+ ymin=y
+ xmax=x
+ ymax=y
+ checked=true
+ end
+ end
+ local function xmoveto()
+ if keepcurve then
+ r=r+1
+ result[r]={ x,y,"m" }
+ end
+ if not checked then
+ xmin=x
+ ymin=y
+ xmax=x
+ ymax=y
+ checked=true
+ elseif x>xmax then
+ xmax=x
+ elseif x<xmin then
+ xmin=x
+ end
+ end
+ local function ymoveto()
+ if keepcurve then
+ r=r+1
+ result[r]={ x,y,"m" }
+ end
+ if not checked then
+ xmin=x
+ ymin=y
+ xmax=x
+ ymax=y
+ checked=true
+ elseif y>ymax then
+ ymax=y
+ elseif y<ymin then
+ ymin=y
+ end
+ end
+ local function moveto()
+ if trace_charstrings then
+ showstate("moveto")
+ end
+ top=0
+ xymoveto()
+ end
+ local function xylineto()
+ if keepcurve then
+ r=r+1
+ result[r]={ x,y,"l" }
+ end
+ if checked then
+ if x>xmax then xmax=x elseif x<xmin then xmin=x end
+ if y>ymax then ymax=y elseif y<ymin then ymin=y end
+ else
+ xmin=x
+ ymin=y
+ xmax=x
+ ymax=y
+ checked=true
+ end
+ end
+ local function xlineto()
+ if keepcurve then
+ r=r+1
+ result[r]={ x,y,"l" }
+ end
+ if not checked then
+ xmin=x
+ ymin=y
+ xmax=x
+ ymax=y
+ checked=true
+ elseif x>xmax then
+ xmax=x
+ elseif x<xmin then
+ xmin=x
+ end
+ end
+ local function ylineto()
+ if keepcurve then
+ r=r+1
+ result[r]={ x,y,"l" }
+ end
+ if not checked then
+ xmin=x
+ ymin=y
+ xmax=x
+ ymax=y
+ checked=true
+ elseif y>ymax then
+ ymax=y
+ elseif y<ymin then
+ ymin=y
+ end
+ end
+ local function xycurveto(x1,y1,x2,y2,x3,y3)
+ if trace_charstrings then
+ showstate("curveto")
+ end
+ if keepcurve then
+ r=r+1
+ result[r]={ x1,y1,x2,y2,x3,y3,"c" }
+ end
+ if checked then
+ if x1>xmax then xmax=x1 elseif x1<xmin then xmin=x1 end
+ if y1>ymax then ymax=y1 elseif y1<ymin then ymin=y1 end
+ else
+ xmin=x1
+ ymin=y1
+ xmax=x1
+ ymax=y1
+ checked=true
+ end
+ if x2>xmax then xmax=x2 elseif x2<xmin then xmin=x2 end
+ if y2>ymax then ymax=y2 elseif y2<ymin then ymin=y2 end
+ if x3>xmax then xmax=x3 elseif x3<xmin then xmin=x3 end
+ if y3>ymax then ymax=y3 elseif y3<ymin then ymin=y3 end
+ end
+ local function rmoveto()
+ if not width then
+ if top>2 then
+ width=stack[1]
+ if trace_charstrings then
+ showvalue("backtrack width",width)
+ end
+ else
+ width=true
+ end
+ end
+ if trace_charstrings then
+ showstate("rmoveto")
+ end
+ x=x+stack[top-1]
+ y=y+stack[top]
+ top=0
+ xymoveto()
+ end
+ local function hmoveto()
+ if not width then
+ if top>1 then
+ width=stack[1]
+ if trace_charstrings then
+ showvalue("backtrack width",width)
+ end
+ else
+ width=true
+ end
+ end
+ if trace_charstrings then
+ showstate("hmoveto")
+ end
+ x=x+stack[top]
+ top=0
+ xmoveto()
+ end
+ local function vmoveto()
+ if not width then
+ if top>1 then
+ width=stack[1]
+ if trace_charstrings then
+ showvalue("backtrack width",width)
+ end
+ else
+ width=true
+ end
+ end
+ if trace_charstrings then
+ showstate("vmoveto")
+ end
+ y=y+stack[top]
+ top=0
+ ymoveto()
+ end
+ local function rlineto()
+ if trace_charstrings then
+ showstate("rlineto")
+ end
+ for i=1,top,2 do
+ x=x+stack[i]
+ y=y+stack[i+1]
+ xylineto()
+ end
+ top=0
+ end
+ local function hlineto()
+ if trace_charstrings then
+ showstate("hlineto")
+ end
+ if top==1 then
+ x=x+stack[1]
+ xlineto()
+ else
+ local swap=true
+ for i=1,top do
+ if swap then
+ x=x+stack[i]
+ xlineto()
+ swap=false
+ else
+ y=y+stack[i]
+ ylineto()
+ swap=true
+ end
+ end
+ end
+ top=0
+ end
+ local function vlineto()
+ if trace_charstrings then
+ showstate("vlineto")
+ end
+ if top==1 then
+ y=y+stack[1]
+ ylineto()
+ else
+ local swap=false
+ for i=1,top do
+ if swap then
+ x=x+stack[i]
+ xlineto()
+ swap=false
+ else
+ y=y+stack[i]
+ ylineto()
+ swap=true
+ end
+ end
+ end
+ top=0
+ end
+ local function rrcurveto()
+ if trace_charstrings then
+ showstate("rrcurveto")
+ end
+ for i=1,top,6 do
+ local ax=x+stack[i]
+ local ay=y+stack[i+1]
+ local bx=ax+stack[i+2]
+ local by=ay+stack[i+3]
+ x=bx+stack[i+4]
+ y=by+stack[i+5]
+ xycurveto(ax,ay,bx,by,x,y)
+ end
+ top=0
+ end
+ local function hhcurveto()
+ if trace_charstrings then
+ showstate("hhcurveto")
+ end
+ local s=1
+ if top%2~=0 then
+ y=y+stack[1]
+ s=2
+ end
+ for i=s,top,4 do
+ local ax=x+stack[i]
+ local ay=y
+ local bx=ax+stack[i+1]
+ local by=ay+stack[i+2]
+ x=bx+stack[i+3]
+ y=by
+ xycurveto(ax,ay,bx,by,x,y)
+ end
+ top=0
+ end
+ local function vvcurveto()
+ if trace_charstrings then
+ showstate("vvcurveto")
+ end
+ local s=1
+ local d=0
+ if top%2~=0 then
+ d=stack[1]
+ s=2
+ end
+ for i=s,top,4 do
+ local ax=x+d
+ local ay=y+stack[i]
+ local bx=ax+stack[i+1]
+ local by=ay+stack[i+2]
+ x=bx
+ y=by+stack[i+3]
+ xycurveto(ax,ay,bx,by,x,y)
+ d=0
+ end
+ top=0
+ end
+ local function xxcurveto(swap)
+ local last=top%4~=0 and stack[top]
+ if last then
+ top=top-1
+ end
+ for i=1,top,4 do
+ local ax,ay,bx,by
+ if swap then
+ ax=x+stack[i]
+ ay=y
+ bx=ax+stack[i+1]
+ by=ay+stack[i+2]
+ y=by+stack[i+3]
+ if last and i+3==top then
+ x=bx+last
+ else
+ x=bx
+ end
+ swap=false
+ else
+ ax=x
+ ay=y+stack[i]
+ bx=ax+stack[i+1]
+ by=ay+stack[i+2]
+ x=bx+stack[i+3]
+ if last and i+3==top then
+ y=by+last
+ else
+ y=by
+ end
+ swap=true
+ end
+ xycurveto(ax,ay,bx,by,x,y)
+ end
+ top=0
+ end
+ local function hvcurveto()
+ if trace_charstrings then
+ showstate("hvcurveto")
+ end
+ xxcurveto(true)
+ end
+ local function vhcurveto()
+ if trace_charstrings then
+ showstate("vhcurveto")
+ end
+ xxcurveto(false)
+ end
+ local function rcurveline()
+ if trace_charstrings then
+ showstate("rcurveline")
+ end
+ for i=1,top-2,6 do
+ local ax=x+stack[i]
+ local ay=y+stack[i+1]
+ local bx=ax+stack[i+2]
+ local by=ay+stack[i+3]
+ x=bx+stack[i+4]
+ y=by+stack[i+5]
+ xycurveto(ax,ay,bx,by,x,y)
+ end
+ x=x+stack[top-1]
+ y=y+stack[top]
+ xylineto()
+ top=0
+ end
+ local function rlinecurve()
+ if trace_charstrings then
+ showstate("rlinecurve")
+ end
+ if top>6 then
+ for i=1,top-6,2 do
+ x=x+stack[i]
+ y=y+stack[i+1]
+ xylineto()
+ end
+ end
+ local ax=x+stack[top-5]
+ local ay=y+stack[top-4]
+ local bx=ax+stack[top-3]
+ local by=ay+stack[top-2]
+ x=bx+stack[top-1]
+ y=by+stack[top]
+ xycurveto(ax,ay,bx,by,x,y)
+ top=0
+ end
+ local function flex()
+ if trace_charstrings then
+ showstate("flex")
+ end
+ local ax=x+stack[1]
+ local ay=y+stack[2]
+ local bx=ax+stack[3]
+ local by=ay+stack[4]
+ local cx=bx+stack[5]
+ local cy=by+stack[6]
+ xycurveto(ax,ay,bx,by,cx,cy)
+ local dx=cx+stack[7]
+ local dy=cy+stack[8]
+ local ex=dx+stack[9]
+ local ey=dy+stack[10]
+ x=ex+stack[11]
+ y=ey+stack[12]
+ xycurveto(dx,dy,ex,ey,x,y)
+ top=0
+ end
+ local function hflex()
+ if trace_charstrings then
+ showstate("hflex")
+ end
+ local ax=x+stack[1]
+ local ay=y
+ local bx=ax+stack[2]
+ local by=ay+stack[3]
+ local cx=bx+stack[4]
+ local cy=by
+ xycurveto(ax,ay,bx,by,cx,cy)
+ local dx=cx+stack[5]
+ local dy=by
+ local ex=dx+stack[6]
+ local ey=y
+ x=ex+stack[7]
+ xycurveto(dx,dy,ex,ey,x,y)
+ top=0
+ end
+ local function hflex1()
+ if trace_charstrings then
+ showstate("hflex1")
+ end
+ local ax=x+stack[1]
+ local ay=y+stack[2]
+ local bx=ax+stack[3]
+ local by=ay+stack[4]
+ local cx=bx+stack[5]
+ local cy=by
+ xycurveto(ax,ay,bx,by,cx,cy)
+ local dx=cx+stack[6]
+ local dy=by
+ local ex=dx+stack[7]
+ local ey=dy+stack[8]
+ x=ex+stack[9]
+ xycurveto(dx,dy,ex,ey,x,y)
+ top=0
+ end
+ local function flex1()
+ if trace_charstrings then
+ showstate("flex1")
+ end
+ local ax=x+stack[1]
+ local ay=y+stack[2]
+ local bx=ax+stack[3]
+ local by=ay+stack[4]
+ local cx=bx+stack[5]
+ local cy=by+stack[6]
+ xycurveto(ax,ay,bx,by,cx,cy)
+ local dx=cx+stack[7]
+ local dy=cy+stack[8]
+ local ex=dx+stack[9]
+ local ey=dy+stack[10]
+ if abs(ex-x)>abs(ey-y) then
+ x=ex+stack[11]
+ else
+ y=ey+stack[11]
+ end
+ xycurveto(dx,dy,ex,ey,x,y)
+ top=0
+ end
+ local function getstem()
+ if top==0 then
+ elseif top%2~=0 then
+ if width then
+ remove(stack,1)
+ else
+ width=remove(stack,1)
+ if trace_charstrings then
+ showvalue("width",width)
+ end
+ end
+ top=top-1
+ end
+ if trace_charstrings then
+ showstate("stem")
+ end
+ stems=stems+top/2
+ top=0
+ end
+ local function getmask()
+ if top==0 then
+ elseif top%2~=0 then
+ if width then
+ remove(stack,1)
+ else
+ width=remove(stack,1)
+ if trace_charstrings then
+ showvalue("width",width)
+ end
+ end
+ top=top-1
+ end
+ if trace_charstrings then
+ showstate(operator==19 and "hintmark" or "cntrmask")
+ end
+ stems=stems+top/2
+ top=0
+ if stems==0 then
+ elseif stems<=8 then
+ return 1
+ else
+ return floor((stems+7)/8)
+ end
+ end
+ local function unsupported(t)
+ if trace_charstrings then
+ showstate("unsupported "..t)
+ end
+ top=0
+ end
+ local function unsupportedsub(t)
+ if trace_charstrings then
+ showstate("unsupported sub "..t)
+ end
+ top=0
+ end
+ local function getstem3()
+ if trace_charstrings then
+ showstate("stem3")
+ end
+ top=0
+ end
+ local function divide()
+ if version==1 then
+ local d=stack[top]
+ top=top-1
+ stack[top]=stack[top]/d
+ end
+ end
+ local function closepath()
+ if version==1 then
+ if trace_charstrings then
+ showstate("closepath")
+ end
+ end
+ top=0
+ end
+ local function hsbw()
+ if version==1 then
+ if trace_charstrings then
+ showstate("dotsection")
+ end
+ width=stack[top]
+ end
+ top=0
+ end
+ local function seac()
+ if version==1 then
+ if trace_charstrings then
+ showstate("seac")
+ end
+ end
+ top=0
+ end
+ local function sbw()
+ if version==1 then
+ if trace_charstrings then
+ showstate("sbw")
+ end
+ width=stack[top-1]
+ end
+ top=0
+ end
+ local function callothersubr()
+ if version==1 then
+ if trace_charstrings then
+ showstate("callothersubr (unsupported)")
+ end
+ end
+ top=0
+ end
+ local function pop()
+ if version==1 then
+ if trace_charstrings then
+ showstate("pop (unsupported)")
+ end
+ top=top+1
+ stack[top]=0
+ else
+ top=0
+ end
+ end
+ local function setcurrentpoint()
+ if version==1 then
+ if trace_charstrings then
+ showstate("pop (unsupported)")
+ end
+ x=x+stack[top-1]
+ y=y+stack[top]
+ end
+ top=0
+ end
+ local reginit=false
+ local function updateregions(n)
+ if regions then
+ local current=regions[n] or regions[1]
+ nofregions=#current
+ if axis and n~=reginit then
+ factors={}
+ for i=1,nofregions do
+ local region=current[i]
+ local s=1
+ for j=1,#axis do
+ local f=axis[j]
+ local r=region[j]
+ local start=r.start
+ local peak=r.peak
+ local stop=r.stop
+ if start>peak or peak>stop then
+ elseif start<0 and stop>0 and peak~=0 then
+ elseif peak==0 then
+ elseif f<start or f>stop then
+ s=0
+ break
+ elseif f<peak then
+ s=s*(f-start)/(peak-start)
+ elseif f>peak then
+ s=s*(stop-f)/(stop-peak)
+ else
+ end
+ end
+ factors[i]=s
+ end
+ end
+ end
+ reginit=n
+ end
+ local function setvsindex()
+ local vsindex=stack[top]
+ if trace_charstrings then
+ showstate(formatters["vsindex %i"](vsindex))
+ end
+ updateregions(vsindex)
+ top=top-1
+ end
+ local function blend()
+ local n=stack[top]
+ top=top-1
+ if axis then
+ if trace_charstrings then
+ local t=top-nofregions*n
+ local m=t-n
+ for i=1,n do
+ local k=m+i
+ local d=m+n+(i-1)*nofregions
+ local old=stack[k]
+ local new=old
+ for r=1,nofregions do
+ new=new+stack[d+r]*factors[r]
+ end
+ stack[k]=new
+ showstate(formatters["blend %i of %i: %s -> %s"](i,n,old,new))
+ end
+ top=t
+ elseif n==1 then
+ top=top-nofregions
+ local v=stack[top]
+ for r=1,nofregions do
+ v=v+stack[top+r]*factors[r]
+ end
+ stack[top]=v
+ else
+ top=top-nofregions*n
+ local d=top
+ local k=top-n
+ for i=1,n do
+ k=k+1
+ local v=stack[k]
+ for r=1,nofregions do
+ v=v+stack[d+r]*factors[r]
+ end
+ stack[k]=v
+ d=d+nofregions
+ end
+ end
+ else
+ end
+ end
+ local actions={ [0]=unsupported,
+ getstem,
+ unsupported,
+ getstem,
+ vmoveto,
+ rlineto,
+ hlineto,
+ vlineto,
+ rrcurveto,
+ unsupported,
+ unsupported,
+ unsupported,
+ unsupported,
+ hsbw,
+ unsupported,
+ setvsindex,
+ blend,
+ unsupported,
+ getstem,
+ getmask,
+ getmask,
+ rmoveto,
+ hmoveto,
+ getstem,
+ rcurveline,
+ rlinecurve,
+ vvcurveto,
+ hhcurveto,
+ unsupported,
+ unsupported,
+ vhcurveto,
+ hvcurveto,
+ }
+ local subactions={
+ [000]=dotsection,
+ [001]=getstem3,
+ [002]=getstem3,
+ [006]=seac,
+ [007]=sbw,
+ [012]=divide,
+ [016]=callothersubr,
+ [017]=pop,
+ [033]=setcurrentpoint,
+ [034]=hflex,
+ [035]=flex,
+ [036]=hflex1,
+ [037]=flex1,
+ }
+ local c_endchar=char(14)
+ local passon do
+ local rshift=bit32.rshift
+ local band=bit32.band
+ local round=math.round
+ local encode=table.setmetatableindex(function(t,i)
+ for i=-2048,-1130 do
+ t[i]=char(28,band(rshift(i,8),0xFF),band(i,0xFF))
+ end
+ for i=-1131,-108 do
+ local v=0xFB00-i-108
+ t[i]=char(band(rshift(v,8),0xFF),band(v,0xFF))
+ end
+ for i=-107,107 do
+ t[i]=char(i+139)
+ end
+ for i=108,1131 do
+ local v=0xF700+i-108
+ t[i]=char(band(rshift(v,8),0xFF),band(v,0xFF))
+ end
+ for i=1132,2048 do
+ t[i]=char(28,band(rshift(i,8),0xFF),band(i,0xFF))
+ end
+ return t[i]
+ end)
+ local function setvsindex()
+ local vsindex=stack[top]
+ updateregions(vsindex)
+ top=top-1
+ end
+ local function blend()
+ local n=stack[top]
+ top=top-1
+ if not axis then
+ elseif n==1 then
+ top=top-nofregions
+ local v=stack[top]
+ for r=1,nofregions do
+ v=v+stack[top+r]*factors[r]
+ end
+ stack[top]=round(v)
+ else
+ top=top-nofregions*n
+ local d=top
+ local k=top-n
+ for i=1,n do
+ k=k+1
+ local v=stack[k]
+ for r=1,nofregions do
+ v=v+stack[d+r]*factors[r]
+ end
+ stack[k]=round(v)
+ d=d+nofregions
+ end
+ end
+ end
+ passon=function(operation)
+ if operation==15 then
+ setvsindex()
+ elseif operation==16 then
+ blend()
+ else
+ for i=1,top do
+ r=r+1
+ result[r]=encode[stack[i]]
+ end
+ r=r+1
+ result[r]=char(operation)
+ top=0
+ end
+ end
+ end
+ local process
+ local function call(scope,list,bias)
+ depth=depth+1
+ if top==0 then
+ showstate(formatters["unknown %s call"](scope))
+ top=0
+ else
+ local index=stack[top]+bias
+ top=top-1
+ if trace_charstrings then
+ showvalue(scope,index,true)
+ end
+ local tab=list[index]
+ if tab then
+ process(tab)
+ else
+ showstate(formatters["unknown %s call %i"](scope,index))
+ top=0
+ end
+ end
+ depth=depth-1
+ end
+ local justpass=false
+ process=function(tab)
+ local i=1
+ local n=#tab
+ while i<=n do
+ local t=tab[i]
+ if t>=32 then
+ top=top+1
+ if t<=246 then
+ stack[top]=t-139
+ i=i+1
+ elseif t<=250 then
+ stack[top]=t*256-63124+tab[i+1]
+ i=i+2
+ elseif t<=254 then
+ stack[top]=-t*256+64148-tab[i+1]
+ i=i+2
+ else
+ local n=0x100*tab[i+1]+tab[i+2]
+ if n>=0x8000 then
+ stack[top]=n-0x10000+(0x100*tab[i+3]+tab[i+4])/0xFFFF
+ else
+ stack[top]=n+(0x100*tab[i+3]+tab[i+4])/0xFFFF
+ end
+ i=i+5
+ end
+ elseif t==28 then
+ top=top+1
+ local n=0x100*tab[i+1]+tab[i+2]
+ if n>=0x8000 then
+ stack[top]=n-0x10000
+ else
+ stack[top]=n
+ end
+ i=i+3
+ elseif t==11 then
+ if trace_charstrings then
+ showstate("return")
+ end
+ return
+ elseif t==10 then
+ call("local",locals,localbias)
+ i=i+1
+ elseif t==14 then
+ if width then
+ elseif top>0 then
+ width=stack[1]
+ if trace_charstrings then
+ showvalue("width",width)
+ end
+ else
+ width=true
+ end
+ if trace_charstrings then
+ showstate("endchar")
+ end
+ return
+ elseif t==29 then
+ call("global",globals,globalbias)
+ i=i+1
+ elseif t==12 then
+ i=i+1
+ local t=tab[i]
+ local a=subactions[t]
+ if a then
+ a(t)
+ else
+ if trace_charstrings then
+ showvalue("<subaction>",t)
+ end
+ top=0
+ end
+ i=i+1
+ elseif justpass then
+ passon(t)
+ i=i+1
+ else
+ local a=actions[t]
+ if a then
+ local s=a(t)
+ if s then
+ i=i+s+1
+ else
+ i=i+1
+ end
+ else
+ if trace_charstrings then
+ showvalue("<action>",t)
+ end
+ top=0
+ i=i+1
+ end
+ end
+ end
+ end
+ local function setbias(globals,locals)
+ if version==1 then
+ return
+ false,
+ false
+ else
+ local g,l=#globals,#locals
+ return
+ ((g<1240 and 107) or (g<33900 and 1131) or 32768)+1,
+ ((l<1240 and 107) or (l<33900 and 1131) or 32768)+1
+ end
+ end
+ local function processshape(tab,index)
+ tab=bytetable(tab)
+ x=0
+ y=0
+ width=false
+ r=0
+ top=0
+ stems=0
+ result={}
+ xmin=0
+ xmax=0
+ ymin=0
+ ymax=0
+ checked=false
+ if trace_charstrings then
+ report("glyph: %i",index)
+ report("data : % t",tab)
+ end
+ if regions then
+ updateregions(vsindex)
+ end
+ process(tab)
+ local boundingbox={
+ round(xmin),
+ round(ymin),
+ round(xmax),
+ round(ymax),
+ }
+ if width==true or width==false then
+ width=defaultwidth
+ else
+ width=nominalwidth+width
+ end
+ local glyph=glyphs[index]
+ if justpass then
+ r=r+1
+ result[r]=c_endchar
+ local stream=concat(result)
+ if glyph then
+ glyph.stream=stream
+ else
+ glyphs[index]={ stream=stream }
+ end
+ elseif glyph then
+ glyph.segments=keepcurve~=false and result or nil
+ glyph.boundingbox=boundingbox
+ if not glyph.width then
+ glyph.width=width
+ end
+ if charset and not glyph.name then
+ glyph.name=charset[index]
+ end
+ elseif keepcurve then
+ glyphs[index]={
+ segments=result,
+ boundingbox=boundingbox,
+ width=width,
+ name=charset and charset[index] or nil,
+ }
+ else
+ glyphs[index]={
+ boundingbox=boundingbox,
+ width=width,
+ name=charset and charset[index] or nil,
+ }
+ end
+ if trace_charstrings then
+ report("width : %s",tostring(width))
+ report("boundingbox: % t",boundingbox)
+ end
+ end
+ startparsing=function(fontdata,data,streams)
+ reginit=false
+ axis=false
+ regions=data.regions
+ justpass=streams==true
+ if regions then
+ regions={ regions }
+ axis=data.factors or false
+ end
+ end
+ stopparsing=function(fontdata,data)
+ stack={}
+ glyphs=false
+ result={}
+ top=0
+ locals=false
+ globals=false
+ strings=false
+ end
+ local function setwidths(private)
+ if not private then
+ return 0,0
+ end
+ local privatedata=private.data
+ if not privatedata then
+ return 0,0
+ end
+ return privatedata.nominalwidthx or 0,privatedata.defaultwidthx or 0
+ end
+ parsecharstrings=function(fontdata,data,glphs,doshapes,tversion,streams)
+ local dictionary=data.dictionaries[1]
+ local charstrings=dictionary.charstrings
+ keepcurve=doshapes
+ version=tversion
+ strings=data.strings
+ globals=data.routines or {}
+ locals=dictionary.subroutines or {}
+ charset=dictionary.charset
+ vsindex=dictionary.vsindex or 0
+ glyphs=glphs or {}
+ globalbias,localbias=setbias(globals,locals)
+ nominalwidth,defaultwidth=setwidths(dictionary.private)
+ startparsing(fontdata,data,streams)
+ for index=1,#charstrings do
+ processshape(charstrings[index],index-1)
+ charstrings[index]=nil
+ end
+ stopparsing(fontdata,data)
+ return glyphs
+ end
+ parsecharstring=function(fontdata,data,dictionary,tab,glphs,index,doshapes,tversion)
+ keepcurve=doshapes
+ version=tversion
+ strings=data.strings
+ globals=data.routines or {}
+ locals=dictionary.subroutines or {}
+ charset=false
+ vsindex=dictionary.vsindex or 0
+ glyphs=glphs or {}
+ globalbias,localbias=setbias(globals,locals)
+ nominalwidth,defaultwidth=setwidths(dictionary.private)
+ processshape(tab,index-1)
+ end
+end
+local function readglobals(f,data)
+ local routines=readlengths(f)
+ for i=1,#routines do
+ routines[i]=readbytetable(f,routines[i])
+ end
+ data.routines=routines
+end
+local function readencodings(f,data)
+ data.encodings={}
+end
+local function readcharsets(f,data,dictionary)
+ local header=data.header
+ local strings=data.strings
+ local nofglyphs=data.nofglyphs
+ local charsetoffset=dictionary.charset
+ if charsetoffset and charsetoffset~=0 then
+ setposition(f,header.offset+charsetoffset)
+ local format=readbyte(f)
+ local charset={ [0]=".notdef" }
+ dictionary.charset=charset
+ if format==0 then
+ for i=1,nofglyphs do
+ charset[i]=strings[readushort(f)]
+ end
+ elseif format==1 or format==2 then
+ local readcount=format==1 and readbyte or readushort
+ local i=1
+ while i<=nofglyphs do
+ local sid=readushort(f)
+ local n=readcount(f)
+ for s=sid,sid+n do
+ charset[i]=strings[s]
+ i=i+1
+ if i>nofglyphs then
+ break
+ end
+ end
+ end
+ else
+ report("cff parser: unsupported charset format %a",format)
+ end
+ else
+ dictionary.nocharset=true
+ dictionary.charset=nil
+ end
+end
+local function readprivates(f,data)
+ local header=data.header
+ local dictionaries=data.dictionaries
+ local private=dictionaries[1].private
+ if private then
+ setposition(f,header.offset+private.offset)
+ private.data=readstring(f,private.size)
+ end
+end
+local function readlocals(f,data,dictionary)
+ local header=data.header
+ local private=dictionary.private
+ if private then
+ local subroutineoffset=private.data.subroutines
+ if subroutineoffset~=0 then
+ setposition(f,header.offset+private.offset+subroutineoffset)
+ local subroutines=readlengths(f)
+ for i=1,#subroutines do
+ subroutines[i]=readbytetable(f,subroutines[i])
+ end
+ dictionary.subroutines=subroutines
+ private.data.subroutines=nil
+ else
+ dictionary.subroutines={}
+ end
+ else
+ dictionary.subroutines={}
+ end
+end
+local function readcharstrings(f,data,what)
+ local header=data.header
+ local dictionaries=data.dictionaries
+ local dictionary=dictionaries[1]
+ local stringtype=dictionary.charstringtype
+ local offset=dictionary.charstrings
+ if type(offset)~="number" then
+ elseif stringtype==2 then
+ setposition(f,header.offset+offset)
+ local charstrings=readlengths(f,what=="cff2")
+ local nofglyphs=#charstrings
+ for i=1,nofglyphs do
+ charstrings[i]=readstring(f,charstrings[i])
+ end
+ data.nofglyphs=nofglyphs
+ dictionary.charstrings=charstrings
+ else
+ report("unsupported charstr type %i",stringtype)
+ data.nofglyphs=0
+ dictionary.charstrings={}
+ end
+end
+local function readcidprivates(f,data)
+ local header=data.header
+ local dictionaries=data.dictionaries[1].cid.dictionaries
+ for i=1,#dictionaries do
+ local dictionary=dictionaries[i]
+ local private=dictionary.private
+ if private then
+ setposition(f,header.offset+private.offset)
+ private.data=readstring(f,private.size)
+ end
+ end
+ parseprivates(data,dictionaries)
+end
+readers.parsecharstrings=parsecharstrings
+local function readnoselect(f,fontdata,data,glyphs,doshapes,version,streams)
+ local dictionaries=data.dictionaries
+ local dictionary=dictionaries[1]
+ readglobals(f,data)
+ readcharstrings(f,data,version)
+ if version=="cff2" then
+ dictionary.charset=nil
+ else
+ readencodings(f,data)
+ readcharsets(f,data,dictionary)
+ end
+ readprivates(f,data)
+ parseprivates(data,data.dictionaries)
+ readlocals(f,data,dictionary)
+ startparsing(fontdata,data,streams)
+ parsecharstrings(fontdata,data,glyphs,doshapes,version,streams)
+ stopparsing(fontdata,data)
+end
+local function readfdselect(f,fontdata,data,glyphs,doshapes,version,streams)
+ local header=data.header
+ local dictionaries=data.dictionaries
+ local dictionary=dictionaries[1]
+ local cid=dictionary.cid
+ local cidselect=cid and cid.fdselect
+ readglobals(f,data)
+ readcharstrings(f,data,version)
+ if version~="cff2" then
+ readencodings(f,data)
+ end
+ local charstrings=dictionary.charstrings
+ local fdindex={}
+ local nofglyphs=data.nofglyphs
+ local maxindex=-1
+ setposition(f,header.offset+cidselect)
+ local format=readbyte(f)
+ if format==1 then
+ for i=0,nofglyphs do
+ local index=readbyte(i)
+ fdindex[i]=index
+ if index>maxindex then
+ maxindex=index
+ end
+ end
+ elseif format==3 then
+ local nofranges=readushort(f)
+ local first=readushort(f)
+ local index=readbyte(f)
+ while true do
+ local last=readushort(f)
+ if index>maxindex then
+ maxindex=index
+ end
+ for i=first,last do
+ fdindex[i]=index
+ end
+ if last>=nofglyphs then
+ break
+ else
+ first=last+1
+ index=readbyte(f)
+ end
+ end
+ else
+ end
+ if maxindex>=0 then
+ local cidarray=cid.fdarray
+ setposition(f,header.offset+cidarray)
+ local dictionaries=readlengths(f)
+ for i=1,#dictionaries do
+ dictionaries[i]=readstring(f,dictionaries[i])
+ end
+ parsedictionaries(data,dictionaries)
+ cid.dictionaries=dictionaries
+ readcidprivates(f,data)
+ for i=1,#dictionaries do
+ readlocals(f,data,dictionaries[i])
+ end
+ startparsing(fontdata,data,streams)
+ for i=1,#charstrings do
+ parsecharstring(fontdata,data,dictionaries[fdindex[i]+1],charstrings[i],glyphs,i,doshapes,version)
+ charstrings[i]=nil
+ end
+ stopparsing(fontdata,data)
+ end
+end
+local gotodatatable=readers.helpers.gotodatatable
+local function cleanup(data,dictionaries)
+end
+function readers.cff(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"cff",specification.details)
+ if tableoffset then
+ local header=readheader(f)
+ if header.major~=1 then
+ report("only version %s is supported for table %a",1,"cff")
+ return
+ end
+ local glyphs=fontdata.glyphs
+ local names=readfontnames(f)
+ local dictionaries=readtopdictionaries(f)
+ local strings=readstrings(f)
+ local data={
+ header=header,
+ names=names,
+ dictionaries=dictionaries,
+ strings=strings,
+ nofglyphs=fontdata.nofglyphs,
+ }
+ parsedictionaries(data,dictionaries,"cff")
+ local dic=dictionaries[1]
+ local cid=dic.cid
+ fontdata.cffinfo={
+ familynamename=dic.familyname,
+ fullname=dic.fullname,
+ boundingbox=dic.boundingbox,
+ weight=dic.weight,
+ italicangle=dic.italicangle,
+ underlineposition=dic.underlineposition,
+ underlinethickness=dic.underlinethickness,
+ monospaced=dic.monospaced,
+ }
+ fontdata.cidinfo=cid and {
+ registry=cid.registry,
+ ordering=cid.ordering,
+ supplement=cid.supplement,
+ }
+ if specification.glyphs then
+ local all=specification.shapes or false
+ if cid and cid.fdselect then
+ readfdselect(f,fontdata,data,glyphs,all,"cff")
+ else
+ readnoselect(f,fontdata,data,glyphs,all,"cff")
+ end
+ end
+ cleanup(data,dictionaries)
+ end
+end
+function readers.cff2(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"cff2",specification.glyphs)
+ if tableoffset then
+ local header=readheader(f)
+ if header.major~=2 then
+ report("only version %s is supported for table %a",2,"cff2")
+ return
+ end
+ local glyphs=fontdata.glyphs
+ local dictionaries={ readstring(f,header.dsize) }
+ local data={
+ header=header,
+ dictionaries=dictionaries,
+ nofglyphs=fontdata.nofglyphs,
+ }
+ parsedictionaries(data,dictionaries,"cff2")
+ local offset=dictionaries[1].vstore
+ if offset>0 then
+ local storeoffset=dictionaries[1].vstore+data.header.offset+2
+ local regions,deltas=readers.helpers.readvariationdata(f,storeoffset,factors)
+ data.regions=regions
+ data.deltas=deltas
+ else
+ data.regions={}
+ data.deltas={}
+ end
+ data.factors=specification.factors
+ local cid=data.dictionaries[1].cid
+ local all=specification.shapes or false
+ if cid and cid.fdselect then
+ readfdselect(f,fontdata,data,glyphs,all,"cff2",specification.streams)
+ else
+ readnoselect(f,fontdata,data,glyphs,all,"cff2",specification.streams)
+ end
+ cleanup(data,dictionaries)
+ end
+end
+function readers.cffcheck(filename)
+ local f=io.open(filename,"rb")
+ if f then
+ local fontdata={
+ glyphs={},
+ }
+ local header=readheader(f)
+ if header.major~=1 then
+ report("only version %s is supported for table %a",1,"cff")
+ return
+ end
+ local names=readfontnames(f)
+ local dictionaries=readtopdictionaries(f)
+ local strings=readstrings(f)
+ local glyphs={}
+ local data={
+ header=header,
+ names=names,
+ dictionaries=dictionaries,
+ strings=strings,
+ glyphs=glyphs,
+ nofglyphs=4,
+ }
+ parsedictionaries(data,dictionaries,"cff")
+ local cid=data.dictionaries[1].cid
+ if cid and cid.fdselect then
+ readfdselect(f,fontdata,data,glyphs,false)
+ else
+ readnoselect(f,fontdata,data,glyphs,false)
+ end
+ return data
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-ttf']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next,type,unpack=next,type,unpack
+local band,rshift=bit32.band,bit32.rshift
+local sqrt,round=math.sqrt,math.round
+local char=string.char
+local concat=table.concat
+local report=logs.reporter("otf reader","ttf")
+local trace_deltas=false
+local readers=fonts.handlers.otf.readers
+local streamreader=readers.streamreader
+local setposition=streamreader.setposition
+local getposition=streamreader.getposition
+local skipbytes=streamreader.skip
+local readbyte=streamreader.readcardinal1
+local readushort=streamreader.readcardinal2
+local readulong=streamreader.readcardinal4
+local readchar=streamreader.readinteger1
+local readshort=streamreader.readinteger2
+local read2dot14=streamreader.read2dot14
+local readinteger=streamreader.readinteger1
+local readcardinaltable=streamreader.readcardinaltable
+local readintegertable=streamreader.readintegertable
+directives.register("fonts.streamreader",function()
+ streamreader=utilities.streams
+ setposition=streamreader.setposition
+ getposition=streamreader.getposition
+ skipbytes=streamreader.skip
+ readbyte=streamreader.readcardinal1
+ readushort=streamreader.readcardinal2
+ readulong=streamreader.readcardinal4
+ readchar=streamreader.readinteger1
+ readshort=streamreader.readinteger2
+ read2dot14=streamreader.read2dot14
+ readinteger=streamreader.readinteger1
+ readcardinaltable=streamreader.readcardinaltable
+ readintegertable=streamreader.readintegertable
+end)
+local short=2
+local ushort=2
+local ulong=4
+local helpers=readers.helpers
+local gotodatatable=helpers.gotodatatable
+local function mergecomposites(glyphs,shapes)
+ local function merge(index,shape,components)
+ local contours={}
+ local points={}
+ local nofcontours=0
+ local nofpoints=0
+ local offset=0
+ local deltas=shape.deltas
+ for i=1,#components do
+ local component=components[i]
+ local subindex=component.index
+ local subshape=shapes[subindex]
+ local subcontours=subshape.contours
+ local subpoints=subshape.points
+ if not subcontours then
+ local subcomponents=subshape.components
+ if subcomponents then
+ subcontours,subpoints=merge(subindex,subshape,subcomponents)
+ end
+ end
+ if subpoints then
+ local matrix=component.matrix
+ local xscale=matrix[1]
+ local xrotate=matrix[2]
+ local yrotate=matrix[3]
+ local yscale=matrix[4]
+ local xoffset=matrix[5]
+ local yoffset=matrix[6]
+ for i=1,#subpoints do
+ local p=subpoints[i]
+ local x=p[1]
+ local y=p[2]
+ nofpoints=nofpoints+1
+ points[nofpoints]={
+ xscale*x+xrotate*y+xoffset,
+ yscale*y+yrotate*x+yoffset,
+ p[3]
+ }
+ end
+ for i=1,#subcontours do
+ nofcontours=nofcontours+1
+ contours[nofcontours]=offset+subcontours[i]
+ end
+ offset=offset+#subpoints
+ else
+ report("missing contours composite %s, component %s of %s, glyph %s",index,i,#components,subindex)
+ end
+ end
+ shape.points=points
+ shape.contours=contours
+ shape.components=nil
+ return contours,points
+ end
+ for index=1,#glyphs do
+ local shape=shapes[index]
+ if shape then
+ local components=shape.components
+ if components then
+ merge(index,shape,components)
+ end
+ end
+ end
+end
+local function readnothing(f,nofcontours)
+ return {
+ type="nothing",
+ }
+end
+local function curveto(m_x,m_y,l_x,l_y,r_x,r_y)
+ return
+ l_x+2/3*(m_x-l_x),l_y+2/3*(m_y-l_y),
+ r_x+2/3*(m_x-r_x),r_y+2/3*(m_y-r_y),
+ r_x,r_y,"c"
+end
+local function applyaxis(glyph,shape,deltas,dowidth)
+ local points=shape.points
+ if points then
+ local nofpoints=#points
+ local h=nofpoints+2
+ local l=nofpoints+1
+ local dw=0
+ local dl=0
+ for i=1,#deltas do
+ local deltaset=deltas[i]
+ local xvalues=deltaset.xvalues
+ local yvalues=deltaset.yvalues
+ local dpoints=deltaset.points
+ local factor=deltaset.factor
+ if dpoints then
+ local nofdpoints=#dpoints
+ for i=1,nofdpoints do
+ local d=dpoints[i]
+ local p=points[d]
+ if p then
+ if xvalues then
+ local x=xvalues[i]
+ if x and x~=0 then
+ p[1]=p[1]+factor*x
+ end
+ end
+ if yvalues then
+ local y=yvalues[i]
+ if y and y~=0 then
+ p[2]=p[2]+factor*y
+ end
+ end
+ elseif dowidth then
+ if d==h then
+ local x=xvalues[i]
+ if x then
+ dw=dw+factor*x
+ end
+ elseif d==l then
+ local x=xvalues[i]
+ if x then
+ dl=dl+factor*x
+ end
+ end
+ end
+ end
+ else
+ for i=1,nofpoints do
+ local p=points[i]
+ if xvalues then
+ local x=xvalues[i]
+ if x and x~=0 then
+ p[1]=p[1]+factor*x
+ end
+ end
+ if yvalues then
+ local y=yvalues[i]
+ if y and y~=0 then
+ p[2]=p[2]+factor*y
+ end
+ end
+ end
+ if dowidth then
+ local x=xvalues[h]
+ if x then
+ dw=dw+factor*x
+ end
+ local x=xvalues[l]
+ if x then
+ dl=dl+factor*x
+ end
+ end
+ end
+ end
+ if dowidth then
+ local width=glyph.width or 0
+ glyph.width=width+dw-dl
+ end
+ else
+ report("no points for glyph %a",glyph.name)
+ end
+end
+local quadratic=false
+local function contours2outlines_normal(glyphs,shapes)
+ for index=1,#glyphs do
+ local shape=shapes[index]
+ if shape then
+ local glyph=glyphs[index]
+ local contours=shape.contours
+ local points=shape.points
+ if contours then
+ local nofcontours=#contours
+ local segments={}
+ local nofsegments=0
+ glyph.segments=segments
+ if nofcontours>0 then
+ local px,py=0,0
+ local first=1
+ for i=1,nofcontours do
+ local last=contours[i]
+ if last>=first then
+ local first_pt=points[first]
+ local first_on=first_pt[3]
+ if first==last then
+ first_pt[3]="m"
+ nofsegments=nofsegments+1
+ segments[nofsegments]=first_pt
+ else
+ local first_on=first_pt[3]
+ local last_pt=points[last]
+ local last_on=last_pt[3]
+ local start=1
+ local control_pt=false
+ if first_on then
+ start=2
+ else
+ if last_on then
+ first_pt=last_pt
+ else
+ first_pt={ (first_pt[1]+last_pt[1])/2,(first_pt[2]+last_pt[2])/2,false }
+ end
+ control_pt=first_pt
+ end
+ local x,y=first_pt[1],first_pt[2]
+ if not done then
+ xmin,ymin,xmax,ymax=x,y,x,y
+ done=true
+ end
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ x,y,"m" }
+ if not quadratic then
+ px,py=x,y
+ end
+ local previous_pt=first_pt
+ for i=first,last do
+ local current_pt=points[i]
+ local current_on=current_pt[3]
+ local previous_on=previous_pt[3]
+ if previous_on then
+ if current_on then
+ local x,y=current_pt[1],current_pt[2]
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ x,y,"l" }
+ if not quadratic then
+ px,py=x,y
+ end
+ else
+ control_pt=current_pt
+ end
+ elseif current_on then
+ local x1,y1=control_pt[1],control_pt[2]
+ local x2,y2=current_pt[1],current_pt[2]
+ nofsegments=nofsegments+1
+ if quadratic then
+ segments[nofsegments]={ x1,y1,x2,y2,"q" }
+ else
+ x1,y1,x2,y2,px,py=curveto(x1,y1,px,py,x2,y2)
+ segments[nofsegments]={ x1,y1,x2,y2,px,py,"c" }
+ end
+ control_pt=false
+ else
+ local x2,y2=(previous_pt[1]+current_pt[1])/2,(previous_pt[2]+current_pt[2])/2
+ local x1,y1=control_pt[1],control_pt[2]
+ nofsegments=nofsegments+1
+ if quadratic then
+ segments[nofsegments]={ x1,y1,x2,y2,"q" }
+ else
+ x1,y1,x2,y2,px,py=curveto(x1,y1,px,py,x2,y2)
+ segments[nofsegments]={ x1,y1,x2,y2,px,py,"c" }
+ end
+ control_pt=current_pt
+ end
+ previous_pt=current_pt
+ end
+ if first_pt==last_pt then
+ else
+ nofsegments=nofsegments+1
+ local x2,y2=first_pt[1],first_pt[2]
+ if not control_pt then
+ segments[nofsegments]={ x2,y2,"l" }
+ elseif quadratic then
+ local x1,y1=control_pt[1],control_pt[2]
+ segments[nofsegments]={ x1,y1,x2,y2,"q" }
+ else
+ local x1,y1=control_pt[1],control_pt[2]
+ x1,y1,x2,y2,px,py=curveto(x1,y1,px,py,x2,y2)
+ segments[nofsegments]={ x1,y1,x2,y2,px,py,"c" }
+ end
+ end
+ end
+ end
+ first=last+1
+ end
+ end
+ end
+ end
+ end
+end
+local function contours2outlines_shaped(glyphs,shapes,keepcurve)
+ for index=1,#glyphs do
+ local shape=shapes[index]
+ if shape then
+ local glyph=glyphs[index]
+ local contours=shape.contours
+ local points=shape.points
+ if contours then
+ local nofcontours=#contours
+ local segments=keepcurve and {} or nil
+ local nofsegments=0
+ if keepcurve then
+ glyph.segments=segments
+ end
+ if nofcontours>0 then
+ local xmin,ymin,xmax,ymax,done=0,0,0,0,false
+ local px,py=0,0
+ local first=1
+ for i=1,nofcontours do
+ local last=contours[i]
+ if last>=first then
+ local first_pt=points[first]
+ local first_on=first_pt[3]
+ if first==last then
+ if keepcurve then
+ first_pt[3]="m"
+ nofsegments=nofsegments+1
+ segments[nofsegments]=first_pt
+ end
+ else
+ local first_on=first_pt[3]
+ local last_pt=points[last]
+ local last_on=last_pt[3]
+ local start=1
+ local control_pt=false
+ if first_on then
+ start=2
+ else
+ if last_on then
+ first_pt=last_pt
+ else
+ first_pt={ (first_pt[1]+last_pt[1])/2,(first_pt[2]+last_pt[2])/2,false }
+ end
+ control_pt=first_pt
+ end
+ local x,y=first_pt[1],first_pt[2]
+ if not done then
+ xmin,ymin,xmax,ymax=x,y,x,y
+ done=true
+ else
+ if x<xmin then xmin=x elseif x>xmax then xmax=x end
+ if y<ymin then ymin=y elseif y>ymax then ymax=y end
+ end
+ if keepcurve then
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ x,y,"m" }
+ end
+ if not quadratic then
+ px,py=x,y
+ end
+ local previous_pt=first_pt
+ for i=first,last do
+ local current_pt=points[i]
+ local current_on=current_pt[3]
+ local previous_on=previous_pt[3]
+ if previous_on then
+ if current_on then
+ local x,y=current_pt[1],current_pt[2]
+ if x<xmin then xmin=x elseif x>xmax then xmax=x end
+ if y<ymin then ymin=y elseif y>ymax then ymax=y end
+ if keepcurve then
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ x,y,"l" }
+ end
+ if not quadratic then
+ px,py=x,y
+ end
+ else
+ control_pt=current_pt
+ end
+ elseif current_on then
+ local x1,y1=control_pt[1],control_pt[2]
+ local x2,y2=current_pt[1],current_pt[2]
+ if quadratic then
+ if x1<xmin then xmin=x1 elseif x1>xmax then xmax=x1 end
+ if y1<ymin then ymin=y1 elseif y1>ymax then ymax=y1 end
+ if keepcurve then
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ x1,y1,x2,y2,"q" }
+ end
+ else
+ x1,y1,x2,y2,px,py=curveto(x1,y1,px,py,x2,y2)
+ if x1<xmin then xmin=x1 elseif x1>xmax then xmax=x1 end
+ if y1<ymin then ymin=y1 elseif y1>ymax then ymax=y1 end
+ if x2<xmin then xmin=x2 elseif x2>xmax then xmax=x2 end
+ if y2<ymin then ymin=y2 elseif y2>ymax then ymax=y2 end
+ if px<xmin then xmin=px elseif px>xmax then xmax=px end
+ if py<ymin then ymin=py elseif py>ymax then ymax=py end
+ if keepcurve then
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ x1,y1,x2,y2,px,py,"c" }
+ end
+ end
+ control_pt=false
+ else
+ local x2,y2=(previous_pt[1]+current_pt[1])/2,(previous_pt[2]+current_pt[2])/2
+ local x1,y1=control_pt[1],control_pt[2]
+ if quadratic then
+ if x1<xmin then xmin=x1 elseif x1>xmax then xmax=x1 end
+ if y1<ymin then ymin=y1 elseif y1>ymax then ymax=y1 end
+ if keepcurve then
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ x1,y1,x2,y2,"q" }
+ end
+ else
+ x1,y1,x2,y2,px,py=curveto(x1,y1,px,py,x2,y2)
+ if x1<xmin then xmin=x1 elseif x1>xmax then xmax=x1 end
+ if y1<ymin then ymin=y1 elseif y1>ymax then ymax=y1 end
+ if x2<xmin then xmin=x2 elseif x2>xmax then xmax=x2 end
+ if y2<ymin then ymin=y2 elseif y2>ymax then ymax=y2 end
+ if px<xmin then xmin=px elseif px>xmax then xmax=px end
+ if py<ymin then ymin=py elseif py>ymax then ymax=py end
+ if keepcurve then
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ x1,y1,x2,y2,px,py,"c" }
+ end
+ end
+ control_pt=current_pt
+ end
+ previous_pt=current_pt
+ end
+ if first_pt==last_pt then
+ elseif not control_pt then
+ if keepcurve then
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ first_pt[1],first_pt[2],"l" }
+ end
+ else
+ local x1,y1=control_pt[1],control_pt[2]
+ local x2,y2=first_pt[1],first_pt[2]
+ if x1<xmin then xmin=x1 elseif x1>xmax then xmax=x1 end
+ if y1<ymin then ymin=y1 elseif y1>ymax then ymax=y1 end
+ if quadratic then
+ if keepcurve then
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ x1,y1,x2,y2,"q" }
+ end
+ else
+ x1,y1,x2,y2,px,py=curveto(x1,y1,px,py,x2,y2)
+ if x2<xmin then xmin=x2 elseif x2>xmax then xmax=x2 end
+ if y2<ymin then ymin=y2 elseif y2>ymax then ymax=y2 end
+ if px<xmin then xmin=px elseif px>xmax then xmax=px end
+ if py<ymin then ymin=py elseif py>ymax then ymax=py end
+ if keepcurve then
+ nofsegments=nofsegments+1
+ segments[nofsegments]={ x1,y1,x2,y2,px,py,"c" }
+ end
+ end
+ end
+ end
+ end
+ first=last+1
+ end
+ glyph.boundingbox={ round(xmin),round(ymin),round(xmax),round(ymax) }
+ end
+ end
+ end
+ end
+end
+local c_zero=char(0)
+local s_zero=char(0,0)
+local function toushort(n)
+ return char(band(rshift(n,8),0xFF),band(n,0xFF))
+end
+local function toshort(n)
+ if n<0 then
+ n=n+0x10000
+ end
+ return char(band(rshift(n,8),0xFF),band(n,0xFF))
+end
+local function repackpoints(glyphs,shapes)
+ local noboundingbox={ 0,0,0,0 }
+ local result={}
+ for index=1,#glyphs do
+ local shape=shapes[index]
+ if shape then
+ local r=0
+ local glyph=glyphs[index]
+ if false then
+ else
+ local contours=shape.contours
+ local nofcontours=contours and #contours or 0
+ local boundingbox=glyph.boundingbox or noboundingbox
+ r=r+1 result[r]=toshort(nofcontours)
+ r=r+1 result[r]=toshort(boundingbox[1])
+ r=r+1 result[r]=toshort(boundingbox[2])
+ r=r+1 result[r]=toshort(boundingbox[3])
+ r=r+1 result[r]=toshort(boundingbox[4])
+ if nofcontours>0 then
+ for i=1,nofcontours do
+ r=r+1 result[r]=toshort(contours[i]-1)
+ end
+ r=r+1 result[r]=s_zero
+ local points=shape.points
+ local currentx=0
+ local currenty=0
+ local xpoints={}
+ local ypoints={}
+ local x=0
+ local y=0
+ local lastflag=nil
+ local nofflags=0
+ for i=1,#points do
+ local pt=points[i]
+ local px=pt[1]
+ local py=pt[2]
+ local fl=pt[3] and 0x01 or 0x00
+ if px==currentx then
+ fl=fl+0x10
+ else
+ local dx=round(px-currentx)
+ if dx<-255 or dx>255 then
+ x=x+1 xpoints[x]=toshort(dx)
+ elseif dx<0 then
+ fl=fl+0x02
+ x=x+1 xpoints[x]=char(-dx)
+ elseif dx>0 then
+ fl=fl+0x12
+ x=x+1 xpoints[x]=char(dx)
+ else
+ fl=fl+0x02
+ x=x+1 xpoints[x]=c_zero
+ end
+ end
+ if py==currenty then
+ fl=fl+0x20
+ else
+ local dy=round(py-currenty)
+ if dy<-255 or dy>255 then
+ y=y+1 ypoints[y]=toshort(dy)
+ elseif dy<0 then
+ fl=fl+0x04
+ y=y+1 ypoints[y]=char(-dy)
+ elseif dy>0 then
+ fl=fl+0x24
+ y=y+1 ypoints[y]=char(dy)
+ else
+ fl=fl+0x04
+ y=y+1 ypoints[y]=c_zero
+ end
+ end
+ currentx=px
+ currenty=py
+ if lastflag==fl then
+ nofflags=nofflags+1
+ else
+ if nofflags==1 then
+ r=r+1 result[r]=char(lastflag)
+ elseif nofflags==2 then
+ r=r+1 result[r]=char(lastflag,lastflag)
+ elseif nofflags>2 then
+ lastflag=lastflag+0x08
+ r=r+1 result[r]=char(lastflag,nofflags-1)
+ end
+ nofflags=1
+ lastflag=fl
+ end
+ end
+ if nofflags==1 then
+ r=r+1 result[r]=char(lastflag)
+ elseif nofflags==2 then
+ r=r+1 result[r]=char(lastflag,lastflag)
+ elseif nofflags>2 then
+ lastflag=lastflag+0x08
+ r=r+1 result[r]=char(lastflag,nofflags-1)
+ end
+ r=r+1 result[r]=concat(xpoints)
+ r=r+1 result[r]=concat(ypoints)
+ end
+ end
+ glyph.stream=concat(result,"",1,r)
+ else
+ end
+ end
+end
+local function readglyph(f,nofcontours)
+ local points={}
+ local instructions={}
+ local flags={}
+ local contours={}
+ for i=1,nofcontours do
+ contours[i]=readshort(f)+1
+ end
+ local nofpoints=contours[nofcontours]
+ local nofinstructions=readushort(f)
+ skipbytes(f,nofinstructions)
+ local i=1
+ while i<=nofpoints do
+ local flag=readbyte(f)
+ flags[i]=flag
+ if band(flag,0x08)~=0 then
+ for j=1,readbyte(f) do
+ i=i+1
+ flags[i]=flag
+ end
+ end
+ i=i+1
+ end
+ local x=0
+ for i=1,nofpoints do
+ local flag=flags[i]
+ local short=band(flag,0x02)~=0
+ local same=band(flag,0x10)~=0
+ if short then
+ if same then
+ x=x+readbyte(f)
+ else
+ x=x-readbyte(f)
+ end
+ elseif same then
+ else
+ x=x+readshort(f)
+ end
+ points[i]={ x,0,band(flag,0x01)~=0 }
+ end
+ local y=0
+ for i=1,nofpoints do
+ local flag=flags[i]
+ local short=band(flag,0x04)~=0
+ local same=band(flag,0x20)~=0
+ if short then
+ if same then
+ y=y+readbyte(f)
+ else
+ y=y-readbyte(f)
+ end
+ elseif same then
+ else
+ y=y+readshort(f)
+ end
+ points[i][2]=y
+ end
+ return {
+ type="glyph",
+ points=points,
+ contours=contours,
+ nofpoints=nofpoints,
+ }
+end
+local function readcomposite(f)
+ local components={}
+ local nofcomponents=0
+ local instructions=false
+ while true do
+ local flags=readushort(f)
+ local index=readushort(f)
+ local f_xyarg=band(flags,0x0002)~=0
+ local f_offset=band(flags,0x0800)~=0
+ local xscale=1
+ local xrotate=0
+ local yrotate=0
+ local yscale=1
+ local xoffset=0
+ local yoffset=0
+ local base=false
+ local reference=false
+ if f_xyarg then
+ if band(flags,0x0001)~=0 then
+ xoffset=readshort(f)
+ yoffset=readshort(f)
+ else
+ xoffset=readchar(f)
+ yoffset=readchar(f)
+ end
+ else
+ if band(flags,0x0001)~=0 then
+ base=readshort(f)
+ reference=readshort(f)
+ else
+ base=readchar(f)
+ reference=readchar(f)
+ end
+ end
+ if band(flags,0x0008)~=0 then
+ xscale=read2dot14(f)
+ yscale=xscale
+ if f_xyarg and f_offset then
+ xoffset=xoffset*xscale
+ yoffset=yoffset*yscale
+ end
+ elseif band(flags,0x0040)~=0 then
+ xscale=read2dot14(f)
+ yscale=read2dot14(f)
+ if f_xyarg and f_offset then
+ xoffset=xoffset*xscale
+ yoffset=yoffset*yscale
+ end
+ elseif band(flags,0x0080)~=0 then
+ xscale=read2dot14(f)
+ xrotate=read2dot14(f)
+ yrotate=read2dot14(f)
+ yscale=read2dot14(f)
+ if f_xyarg and f_offset then
+ xoffset=xoffset*sqrt(xscale^2+xrotate^2)
+ yoffset=yoffset*sqrt(yrotate^2+yscale^2)
+ end
+ end
+ nofcomponents=nofcomponents+1
+ components[nofcomponents]={
+ index=index,
+ usemine=band(flags,0x0200)~=0,
+ round=band(flags,0x0006)~=0,
+ base=base,
+ reference=reference,
+ matrix={ xscale,xrotate,yrotate,yscale,xoffset,yoffset },
+ }
+ if band(flags,0x0100)~=0 then
+ instructions=true
+ end
+ if not band(flags,0x0020)~=0 then
+ break
+ end
+ end
+ return {
+ type="composite",
+ components=components,
+ }
+end
+function readers.loca(f,fontdata,specification)
+ if specification.glyphs then
+ local datatable=fontdata.tables.loca
+ if datatable then
+ local offset=fontdata.tables.glyf.offset
+ local format=fontdata.fontheader.indextolocformat
+ local locations={}
+ setposition(f,datatable.offset)
+ if format==1 then
+ local nofglyphs=datatable.length/4-2
+ for i=0,nofglyphs do
+ locations[i]=offset+readulong(f)
+ end
+ fontdata.nofglyphs=nofglyphs
+ else
+ local nofglyphs=datatable.length/2-2
+ for i=0,nofglyphs do
+ locations[i]=offset+readushort(f)*2
+ end
+ fontdata.nofglyphs=nofglyphs
+ end
+ fontdata.locations=locations
+ end
+ end
+end
+function readers.glyf(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"glyf",specification.glyphs)
+ if tableoffset then
+ local locations=fontdata.locations
+ if locations then
+ local glyphs=fontdata.glyphs
+ local nofglyphs=fontdata.nofglyphs
+ local filesize=fontdata.filesize
+ local nothing={ 0,0,0,0 }
+ local shapes={}
+ local loadshapes=specification.shapes or specification.instance
+ for index=0,nofglyphs do
+ local location=locations[index]
+ if location>=filesize then
+ report("discarding %s glyphs due to glyph location bug",nofglyphs-index+1)
+ fontdata.nofglyphs=index-1
+ fontdata.badfont=true
+ break
+ elseif location>0 then
+ setposition(f,location)
+ local nofcontours=readshort(f)
+ glyphs[index].boundingbox={
+ readshort(f),
+ readshort(f),
+ readshort(f),
+ readshort(f),
+ }
+ if not loadshapes then
+ elseif nofcontours==0 then
+ shapes[index]=readnothing(f,nofcontours)
+ elseif nofcontours>0 then
+ shapes[index]=readglyph(f,nofcontours)
+ else
+ shapes[index]=readcomposite(f,nofcontours)
+ end
+ else
+ if loadshapes then
+ shapes[index]={}
+ end
+ glyphs[index].boundingbox=nothing
+ end
+ end
+ if loadshapes then
+ if readers.gvar then
+ readers.gvar(f,fontdata,specification,glyphs,shapes)
+ end
+ mergecomposites(glyphs,shapes)
+ if specification.instance then
+ if specification.streams then
+ repackpoints(glyphs,shapes)
+ else
+ contours2outlines_shaped(glyphs,shapes,specification.shapes)
+ end
+ elseif specification.shapes then
+ contours2outlines_normal(glyphs,shapes)
+ end
+ end
+ end
+ end
+end
+local function readtuplerecord(f,nofaxis)
+ local record={}
+ for i=1,nofaxis do
+ record[i]=read2dot14(f)
+ end
+ return record
+end
+local function readpoints(f)
+ local count=readbyte(f)
+ if count==0 then
+ return nil,0
+ else
+ if count<128 then
+ elseif band(count,0x80)~=0 then
+ count=band(count,0x7F)*256+readbyte(f)
+ else
+ end
+ local points={}
+ local p=0
+ local n=1
+ while p<count do
+ local control=readbyte(f)
+ local runreader=band(control,0x80)~=0 and readushort or readbyte
+ local runlength=band(control,0x7F)
+ for i=1,runlength+1 do
+ n=n+runreader(f)
+ p=p+1
+ points[p]=n
+ end
+ end
+ return points,p
+ end
+end
+local function readdeltas(f,nofpoints)
+ local deltas={}
+ local p=0
+ local z=0
+ while nofpoints>0 do
+ local control=readbyte(f)
+if not control then
+ break
+end
+ local allzero=band(control,0x80)~=0
+ local runlength=band(control,0x3F)+1
+ if allzero then
+ z=z+runlength
+ else
+ local runreader=band(control,0x40)~=0 and readshort or readinteger
+ if z>0 then
+ for i=1,z do
+ p=p+1
+ deltas[p]=0
+ end
+ z=0
+ end
+ for i=1,runlength do
+ p=p+1
+ deltas[p]=runreader(f)
+ end
+ end
+ nofpoints=nofpoints-runlength
+ end
+ if p>0 then
+ return deltas
+ else
+ end
+end
+local function readdeltas(f,nofpoints)
+ local deltas={}
+ local p=0
+ while nofpoints>0 do
+ local control=readbyte(f)
+ if control then
+ local allzero=band(control,0x80)~=0
+ local runlength=band(control,0x3F)+1
+ if allzero then
+ for i=1,runlength do
+ p=p+1
+ deltas[p]=0
+ end
+ else
+ local runreader=band(control,0x40)~=0 and readshort or readinteger
+ for i=1,runlength do
+ p=p+1
+ deltas[p]=runreader(f)
+ end
+ end
+ nofpoints=nofpoints-runlength
+ else
+ break
+ end
+ end
+ if p>0 then
+ return deltas
+ else
+ end
+end
+function readers.gvar(f,fontdata,specification,glyphdata,shapedata)
+ local instance=specification.instance
+ if not instance then
+ return
+ end
+ local factors=specification.factors
+ if not factors then
+ return
+ end
+ local tableoffset=gotodatatable(f,fontdata,"gvar",specification.variable or specification.shapes)
+ if tableoffset then
+ local version=readulong(f)
+ local nofaxis=readushort(f)
+ local noftuples=readushort(f)
+ local tupleoffset=tableoffset+readulong(f)
+ local nofglyphs=readushort(f)
+ local flags=readushort(f)
+ local dataoffset=tableoffset+readulong(f)
+ local data={}
+ local tuples={}
+ local glyphdata=fontdata.glyphs
+ local dowidth=not fontdata.variabledata.hvarwidths
+ if band(flags,0x0001)~=0 then
+ for i=1,nofglyphs+1 do
+ data[i]=dataoffset+readulong(f)
+ end
+ else
+ for i=1,nofglyphs+1 do
+ data[i]=dataoffset+2*readushort(f)
+ end
+ end
+ if noftuples>0 then
+ setposition(f,tupleoffset)
+ for i=1,noftuples do
+ tuples[i]=readtuplerecord(f,nofaxis)
+ end
+ end
+ local nextoffset=false
+ local startoffset=data[1]
+ for i=1,nofglyphs do
+ nextoffset=data[i+1]
+ local glyph=glyphdata[i-1]
+ local name=trace_deltas and glyph.name
+ if startoffset==nextoffset then
+ if name then
+ report("no deltas for glyph %a",name)
+ end
+ else
+ local shape=shapedata[i-1]
+ if not shape then
+ if name then
+ report("no shape for glyph %a",name)
+ end
+ else
+ lastoffset=startoffset
+ setposition(f,startoffset)
+ local flags=readushort(f)
+ local count=band(flags,0x0FFF)
+ local offset=startoffset+readushort(f)
+ local deltas={}
+ local allpoints=(shape.nofpoints or 0)
+ local shared=false
+ local nofshared=0
+ if band(flags,0x8000)~=0 then
+ local current=getposition(f)
+ setposition(f,offset)
+ shared,nofshared=readpoints(f)
+ offset=getposition(f)
+ setposition(f,current)
+ end
+ for j=1,count do
+ local size=readushort(f)
+ local flags=readushort(f)
+ local index=band(flags,0x0FFF)
+ local haspeak=band(flags,0x8000)~=0
+ local intermediate=band(flags,0x4000)~=0
+ local private=band(flags,0x2000)~=0
+ local peak=nil
+ local start=nil
+ local stop=nil
+ local xvalues=nil
+ local yvalues=nil
+ local points=shared
+ local nofpoints=nofshared
+ if haspeak then
+ peak=readtuplerecord(f,nofaxis)
+ else
+ if index+1>#tuples then
+ report("error, bad tuple index",index)
+ end
+ peak=tuples[index+1]
+ end
+ if intermediate then
+ start=readtuplerecord(f,nofaxis)
+ stop=readtuplerecord(f,nofaxis)
+ end
+ if size>0 then
+ local current=getposition(f)
+ setposition(f,offset)
+ if private then
+ points,nofpoints=readpoints(f)
+ end
+ if nofpoints==0 then
+ nofpoints=allpoints+4
+ end
+ if nofpoints>0 then
+ xvalues=readdeltas(f,nofpoints)
+ yvalues=readdeltas(f,nofpoints)
+ end
+ offset=offset+size
+ setposition(f,current)
+ end
+ if not xvalues and not yvalues then
+ points=nil
+ end
+ local s=1
+ for i=1,nofaxis do
+ local f=factors[i]
+ local peak=peak and peak [i] or 0
+ local start=start and start[i] or (peak<0 and peak or 0)
+ local stop=stop and stop [i] or (peak>0 and peak or 0)
+ if start>peak or peak>stop then
+ elseif start<0 and stop>0 and peak~=0 then
+ elseif peak==0 then
+ elseif f<start or f>stop then
+ s=0
+ break
+ elseif f<peak then
+ s=s*(f-start)/(peak-start)
+ elseif f>peak then
+ s=s*(stop-f)/(stop-peak)
+ else
+ end
+ end
+ if s==0 then
+ if name then
+ report("no deltas applied for glyph %a",name)
+ end
+ else
+ deltas[#deltas+1]={
+ factor=s,
+ points=points,
+ xvalues=xvalues,
+ yvalues=yvalues,
+ }
+ end
+ end
+ if shape.type=="glyph" then
+ applyaxis(glyph,shape,deltas,dowidth)
+ else
+ shape.deltas=deltas
+ end
+ end
+ end
+ startoffset=nextoffset
+ end
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-dsp']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next,type=next,type
+local band=bit32.band
+local extract=bit32.extract
+local bor=bit32.bor
+local lshift=bit32.lshift
+local rshift=bit32.rshift
+local gsub=string.gsub
+local lower=string.lower
+local sub=string.sub
+local strip=string.strip
+local tohash=table.tohash
+local concat=table.concat
+local copy=table.copy
+local reversed=table.reversed
+local sort=table.sort
+local insert=table.insert
+local round=math.round
+local settings_to_hash=utilities.parsers.settings_to_hash_colon_too
+local setmetatableindex=table.setmetatableindex
+local formatters=string.formatters
+local sortedkeys=table.sortedkeys
+local sortedhash=table.sortedhash
+local sequenced=table.sequenced
+local report=logs.reporter("otf reader")
+local readers=fonts.handlers.otf.readers
+local streamreader=readers.streamreader
+local setposition=streamreader.setposition
+local getposition=streamreader.getposition
+local readushort=streamreader.readcardinal2
+local readulong=streamreader.readcardinal4
+local readinteger=streamreader.readinteger1
+local readshort=streamreader.readinteger2
+local readstring=streamreader.readstring
+local readtag=streamreader.readtag
+local readbytes=streamreader.readbytes
+local readfixed=streamreader.readfixed4
+local read2dot14=streamreader.read2dot14
+local skipshort=streamreader.skipshort
+local skipbytes=streamreader.skip
+local readbytetable=streamreader.readbytetable
+local readbyte=streamreader.readbyte
+local readcardinaltable=streamreader.readcardinaltable
+local readintegertable=streamreader.readintegertable
+local readfword=readshort
+local short=2
+local ushort=2
+local ulong=4
+directives.register("fonts.streamreader",function()
+ streamreader=utilities.streams
+ setposition=streamreader.setposition
+ getposition=streamreader.getposition
+ readushort=streamreader.readcardinal2
+ readulong=streamreader.readcardinal4
+ readinteger=streamreader.readinteger1
+ readshort=streamreader.readinteger2
+ readstring=streamreader.readstring
+ readtag=streamreader.readtag
+ readbytes=streamreader.readbytes
+ readfixed=streamreader.readfixed4
+ read2dot14=streamreader.read2dot14
+ skipshort=streamreader.skipshort
+ skipbytes=streamreader.skip
+ readbytetable=streamreader.readbytetable
+ readbyte=streamreader.readbyte
+ readcardinaltable=streamreader.readcardinaltable
+ readintegertable=streamreader.readintegertable
+ readfword=readshort
+end)
+local gsubhandlers={}
+local gposhandlers={}
+readers.gsubhandlers=gsubhandlers
+readers.gposhandlers=gposhandlers
+local helpers=readers.helpers
+local gotodatatable=helpers.gotodatatable
+local setvariabledata=helpers.setvariabledata
+local lookupidoffset=-1
+local classes={
+ "base",
+ "ligature",
+ "mark",
+ "component",
+}
+local gsubtypes={
+ "single",
+ "multiple",
+ "alternate",
+ "ligature",
+ "context",
+ "chainedcontext",
+ "extension",
+ "reversechainedcontextsingle",
+}
+local gpostypes={
+ "single",
+ "pair",
+ "cursive",
+ "marktobase",
+ "marktoligature",
+ "marktomark",
+ "context",
+ "chainedcontext",
+ "extension",
+}
+local chaindirections={
+ context=0,
+ chainedcontext=1,
+ reversechainedcontextsingle=-1,
+}
+local function setmetrics(data,where,tag,d)
+ local w=data[where]
+ if w then
+ local v=w[tag]
+ if v then
+ w[tag]=v+d
+ end
+ end
+end
+local variabletags={
+ hasc=function(data,d) setmetrics(data,"windowsmetrics","typoascender",d) end,
+ hdsc=function(data,d) setmetrics(data,"windowsmetrics","typodescender",d) end,
+ hlgp=function(data,d) setmetrics(data,"windowsmetrics","typolinegap",d) end,
+ hcla=function(data,d) setmetrics(data,"windowsmetrics","winascent",d) end,
+ hcld=function(data,d) setmetrics(data,"windowsmetrics","windescent",d) end,
+ vasc=function(data,d) setmetrics(data,"vhea not done","ascent",d) end,
+ vdsc=function(data,d) setmetrics(data,"vhea not done","descent",d) end,
+ vlgp=function(data,d) setmetrics(data,"vhea not done","linegap",d) end,
+ xhgt=function(data,d) setmetrics(data,"windowsmetrics","xheight",d) end,
+ cpht=function(data,d) setmetrics(data,"windowsmetrics","capheight",d) end,
+ sbxs=function(data,d) setmetrics(data,"windowsmetrics","subscriptxsize",d) end,
+ sbys=function(data,d) setmetrics(data,"windowsmetrics","subscriptysize",d) end,
+ sbxo=function(data,d) setmetrics(data,"windowsmetrics","subscriptxoffset",d) end,
+ sbyo=function(data,d) setmetrics(data,"windowsmetrics","subscriptyoffset",d) end,
+ spxs=function(data,d) setmetrics(data,"windowsmetrics","superscriptxsize",d) end,
+ spys=function(data,d) setmetrics(data,"windowsmetrics","superscriptysize",d) end,
+ spxo=function(data,d) setmetrics(data,"windowsmetrics","superscriptxoffset",d) end,
+ spyo=function(data,d) setmetrics(data,"windowsmetrics","superscriptyoffset",d) end,
+ strs=function(data,d) setmetrics(data,"windowsmetrics","strikeoutsize",d) end,
+ stro=function(data,d) setmetrics(data,"windowsmetrics","strikeoutpos",d) end,
+ unds=function(data,d) setmetrics(data,"postscript","underlineposition",d) end,
+ undo=function(data,d) setmetrics(data,"postscript","underlinethickness",d) end,
+}
+local read_cardinal={
+ streamreader.readcardinal1,
+ streamreader.readcardinal2,
+ streamreader.readcardinal3,
+ streamreader.readcardinal4,
+}
+local read_integer={
+ streamreader.readinteger1,
+ streamreader.readinteger2,
+ streamreader.readinteger3,
+ streamreader.readinteger4,
+}
+local lookupnames={
+ gsub={
+ single="gsub_single",
+ multiple="gsub_multiple",
+ alternate="gsub_alternate",
+ ligature="gsub_ligature",
+ context="gsub_context",
+ chainedcontext="gsub_contextchain",
+ reversechainedcontextsingle="gsub_reversecontextchain",
+ },
+ gpos={
+ single="gpos_single",
+ pair="gpos_pair",
+ cursive="gpos_cursive",
+ marktobase="gpos_mark2base",
+ marktoligature="gpos_mark2ligature",
+ marktomark="gpos_mark2mark",
+ context="gpos_context",
+ chainedcontext="gpos_contextchain",
+ }
+}
+local lookupflags=setmetatableindex(function(t,k)
+ local v={
+ band(k,0x0008)~=0 and true or false,
+ band(k,0x0004)~=0 and true or false,
+ band(k,0x0002)~=0 and true or false,
+ band(k,0x0001)~=0 and true or false,
+ }
+ t[k]=v
+ return v
+end)
+local function axistofactors(str)
+ local t=settings_to_hash(str)
+ for k,v in next,t do
+ t[k]=tonumber(v) or v
+ end
+ return t
+end
+local hash=table.setmetatableindex(function(t,k)
+ local v=sequenced(axistofactors(k),",")
+ t[k]=v
+ return v
+end)
+helpers.normalizedaxishash=hash
+local cleanname=fonts.names and fonts.names.cleanname or function(name)
+ return name and (gsub(lower(name),"[^%a%d]","")) or nil
+end
+helpers.cleanname=cleanname
+function helpers.normalizedaxis(str)
+ return hash[str] or str
+end
+local function getaxisscale(segments,minimum,default,maximum,user)
+ if not minimum or not default or not maximum then
+ return false
+ end
+ if user<minimum then
+ user=minimum
+ elseif user>maximum then
+ user=maximum
+ end
+ if user<default then
+ default=- (default-user)/(default-minimum)
+ elseif user>default then
+ default=(user-default)/(maximum-default)
+ else
+ default=0
+ end
+ if not segments then
+ return default
+ end
+ local e
+ for i=1,#segments do
+ local s=segments[i]
+ if type(s)~="number" then
+ report("using default axis scale")
+ return default
+ elseif s[1]>=default then
+ if s[2]==default then
+ return default
+ else
+ e=i
+ break
+ end
+ end
+ end
+ if e then
+ local b=segments[e-1]
+ local e=segments[e]
+ return b[2]+(e[2]-b[2])*(default-b[1])/(e[1]-b[1])
+ else
+ return false
+ end
+end
+local function getfactors(data,instancespec)
+ if instancespec==true then
+ elseif type(instancespec)~="string" or instancespec=="" then
+ return
+ end
+ local variabledata=data.variabledata
+ if not variabledata then
+ return
+ end
+ local instances=variabledata.instances
+ local axis=variabledata.axis
+ local segments=variabledata.segments
+ if instances and axis then
+ local values
+ if instancespec==true then
+ values={}
+ for i=1,#axis do
+ values[i]={
+ value=axis[i].default,
+ }
+ end
+ else
+ for i=1,#instances do
+ local instance=instances[i]
+ if cleanname(instance.subfamily)==instancespec then
+ values=instance.values
+ break
+ end
+ end
+ end
+ if values then
+ local factors={}
+ for i=1,#axis do
+ local a=axis[i]
+ factors[i]=getaxisscale(segments,a.minimum,a.default,a.maximum,values[i].value)
+ end
+ return factors
+ end
+ local values=axistofactors(hash[instancespec] or instancespec)
+ if values then
+ local factors={}
+ for i=1,#axis do
+ local a=axis[i]
+ local d=a.default
+ factors[i]=getaxisscale(segments,a.minimum,d,a.maximum,values[a.name or a.tag] or d)
+ end
+ return factors
+ end
+ end
+end
+local function getscales(regions,factors)
+ local scales={}
+ for i=1,#regions do
+ local region=regions[i]
+ local s=1
+ for j=1,#region do
+ local axis=region[j]
+ local f=factors[j]
+ local start=axis.start
+ local peak=axis.peak
+ local stop=axis.stop
+ if start>peak or peak>stop then
+ elseif start<0 and stop>0 and peak~=0 then
+ elseif peak==0 then
+ elseif f<start or f>stop then
+ s=0
+ break
+ elseif f<peak then
+ s=s*(f-start)/(peak-start)
+ elseif f>peak then
+ s=s*(stop-f)/(stop-peak)
+ else
+ end
+ end
+ scales[i]=s
+ end
+ return scales
+end
+helpers.getaxisscale=getaxisscale
+helpers.getfactors=getfactors
+helpers.getscales=getscales
+helpers.axistofactors=axistofactors
+local function readvariationdata(f,storeoffset,factors)
+ local position=getposition(f)
+ setposition(f,storeoffset)
+ local format=readushort(f)
+ local regionoffset=storeoffset+readulong(f)
+ local nofdeltadata=readushort(f)
+ local deltadata=readcardinaltable(f,nofdeltadata,ulong)
+ setposition(f,regionoffset)
+ local nofaxis=readushort(f)
+ local nofregions=readushort(f)
+ local regions={}
+ for i=1,nofregions do
+ local t={}
+ for i=1,nofaxis do
+ t[i]={
+ start=read2dot14(f),
+ peak=read2dot14(f),
+ stop=read2dot14(f),
+ }
+ end
+ regions[i]=t
+ end
+ if factors then
+ for i=1,nofdeltadata do
+ setposition(f,storeoffset+deltadata[i])
+ local nofdeltasets=readushort(f)
+ local nofshorts=readushort(f)
+ local nofregions=readushort(f)
+ local usedregions={}
+ local deltas={}
+ for i=1,nofregions do
+ usedregions[i]=regions[readushort(f)+1]
+ end
+ for i=1,nofdeltasets do
+ local t=readintegertable(f,nofshorts,short)
+ for i=nofshorts+1,nofregions do
+ t[i]=readinteger(f)
+ end
+ deltas[i]=t
+ end
+ deltadata[i]={
+ regions=usedregions,
+ deltas=deltas,
+ scales=factors and getscales(usedregions,factors) or nil,
+ }
+ end
+ end
+ setposition(f,position)
+ return regions,deltadata
+end
+helpers.readvariationdata=readvariationdata
+local function readcoverage(f,offset,simple)
+ setposition(f,offset)
+ local coverageformat=readushort(f)
+ if coverageformat==1 then
+ local nofcoverage=readushort(f)
+ if simple then
+ if nofcoverage==1 then
+ return { readushort(f) }
+ elseif nofcoverage==2 then
+ return { readushort(f),readushort(f) }
+ else
+ return readcardinaltable(f,nofcoverage,ushort)
+ end
+ elseif nofcoverage==1 then
+ return { [readushort(f)]=0 }
+ elseif nofcoverage==2 then
+ return { [readushort(f)]=0,[readushort(f)]=1 }
+ else
+ local coverage={}
+ for i=0,nofcoverage-1 do
+ coverage[readushort(f)]=i
+ end
+ return coverage
+ end
+ elseif coverageformat==2 then
+ local nofranges=readushort(f)
+ local coverage={}
+ local n=simple and 1 or 0
+ for i=1,nofranges do
+ local firstindex=readushort(f)
+ local lastindex=readushort(f)
+ local coverindex=readushort(f)
+ if simple then
+ for i=firstindex,lastindex do
+ coverage[n]=i
+ n=n+1
+ end
+ else
+ for i=firstindex,lastindex do
+ coverage[i]=n
+ n=n+1
+ end
+ end
+ end
+ return coverage
+ else
+ report("unknown coverage format %a ",coverageformat)
+ return {}
+ end
+end
+local function readclassdef(f,offset,preset)
+ setposition(f,offset)
+ local classdefformat=readushort(f)
+ local classdef={}
+ if type(preset)=="number" then
+ for k=0,preset-1 do
+ classdef[k]=1
+ end
+ end
+ if classdefformat==1 then
+ local index=readushort(f)
+ local nofclassdef=readushort(f)
+ for i=1,nofclassdef do
+ classdef[index]=readushort(f)+1
+ index=index+1
+ end
+ elseif classdefformat==2 then
+ local nofranges=readushort(f)
+ local n=0
+ for i=1,nofranges do
+ local firstindex=readushort(f)
+ local lastindex=readushort(f)
+ local class=readushort(f)+1
+ for i=firstindex,lastindex do
+ classdef[i]=class
+ end
+ end
+ else
+ report("unknown classdef format %a ",classdefformat)
+ end
+ if type(preset)=="table" then
+ for k in next,preset do
+ if not classdef[k] then
+ classdef[k]=1
+ end
+ end
+ end
+ return classdef
+end
+local function classtocoverage(defs)
+ if defs then
+ local list={}
+ for index,class in next,defs do
+ local c=list[class]
+ if c then
+ c[#c+1]=index
+ else
+ list[class]={ index }
+ end
+ end
+ return list
+ end
+end
+local skips={ [0]=0,
+ 1,
+ 1,
+ 2,
+ 1,
+ 2,
+ 2,
+ 3,
+ 2,
+ 2,
+ 3,
+ 2,
+ 3,
+ 3,
+ 4,
+}
+local function readvariation(f,offset)
+ local p=getposition(f)
+ setposition(f,offset)
+ local outer=readushort(f)
+ local inner=readushort(f)
+ local format=readushort(f)
+ setposition(f,p)
+ if format==0x8000 then
+ return outer,inner
+ end
+end
+local function readposition(f,format,mainoffset,getdelta)
+ if format==0 then
+ return false
+ end
+ if format==0x04 then
+ local h=readshort(f)
+ if h==0 then
+ return true
+ else
+ return { 0,0,h,0 }
+ end
+ end
+ if format==0x05 then
+ local x=readshort(f)
+ local h=readshort(f)
+ if x==0 and h==0 then
+ return true
+ else
+ return { x,0,h,0 }
+ end
+ end
+ if format==0x44 then
+ local h=readshort(f)
+ if getdelta then
+ local d=readshort(f)
+ if d>0 then
+ local outer,inner=readvariation(f,mainoffset+d)
+ if outer then
+ h=h+getdelta(outer,inner)
+ end
+ end
+ else
+ skipshort(f,1)
+ end
+ if h==0 then
+ return true
+ else
+ return { 0,0,h,0 }
+ end
+ end
+ local x=band(format,0x1)~=0 and readshort(f) or 0
+ local y=band(format,0x2)~=0 and readshort(f) or 0
+ local h=band(format,0x4)~=0 and readshort(f) or 0
+ local v=band(format,0x8)~=0 and readshort(f) or 0
+ if format>=0x10 then
+ local X=band(format,0x10)~=0 and skipshort(f) or 0
+ local Y=band(format,0x20)~=0 and skipshort(f) or 0
+ local H=band(format,0x40)~=0 and skipshort(f) or 0
+ local V=band(format,0x80)~=0 and skipshort(f) or 0
+ local s=skips[extract(format,4,4)]
+ if s>0 then
+ skipshort(f,s)
+ end
+ if getdelta then
+ if X>0 then
+ local outer,inner=readvariation(f,mainoffset+X)
+ if outer then
+ x=x+getdelta(outer,inner)
+ end
+ end
+ if Y>0 then
+ local outer,inner=readvariation(f,mainoffset+Y)
+ if outer then
+ y=y+getdelta(outer,inner)
+ end
+ end
+ if H>0 then
+ local outer,inner=readvariation(f,mainoffset+H)
+ if outer then
+ h=h+getdelta(outer,inner)
+ end
+ end
+ if V>0 then
+ local outer,inner=readvariation(f,mainoffset+V)
+ if outer then
+ v=v+getdelta(outer,inner)
+ end
+ end
+ end
+ return { x,y,h,v }
+ elseif x==0 and y==0 and h==0 and v==0 then
+ return true
+ else
+ return { x,y,h,v }
+ end
+end
+local function readanchor(f,offset,getdelta)
+ if not offset or offset==0 then
+ return nil
+ end
+ setposition(f,offset)
+ local format=readshort(f)
+ local x=readshort(f)
+ local y=readshort(f)
+ if format==3 then
+ if getdelta then
+ local X=readshort(f)
+ local Y=readshort(f)
+ if X>0 then
+ local outer,inner=readvariation(f,offset+X)
+ if outer then
+ x=x+getdelta(outer,inner)
+ end
+ end
+ if Y>0 then
+ local outer,inner=readvariation(f,offset+Y)
+ if outer then
+ y=y+getdelta(outer,inner)
+ end
+ end
+ else
+ skipshort(f,2)
+ end
+ return { x,y }
+ else
+ return { x,y }
+ end
+end
+local function readfirst(f,offset)
+ if offset then
+ setposition(f,offset)
+ end
+ return { readushort(f) }
+end
+function readarray(f,offset)
+ if offset then
+ setposition(f,offset)
+ end
+ local n=readushort(f)
+ if n==1 then
+ return { readushort(f) },1
+ elseif n>0 then
+ return readcardinaltable(f,n,ushort),n
+ end
+end
+local function readcoveragearray(f,offset,t,simple)
+ if not t then
+ return nil
+ end
+ local n=#t
+ if n==0 then
+ return nil
+ end
+ for i=1,n do
+ t[i]=readcoverage(f,offset+t[i],simple)
+ end
+ return t
+end
+local function covered(subset,all)
+ local used,u
+ for i=1,#subset do
+ local s=subset[i]
+ if all[s] then
+ if used then
+ u=u+1
+ used[u]=s
+ else
+ u=1
+ used={ s }
+ end
+ end
+ end
+ return used
+end
+local function readlookuparray(f,noflookups,nofcurrent)
+ local lookups={}
+ if noflookups>0 then
+ local length=0
+ for i=1,noflookups do
+ local index=readushort(f)+1
+ if index>length then
+ length=index
+ end
+ local lookup=readushort(f)+1
+ local list=lookups[index]
+ if list then
+ list[#list+1]=lookup
+ else
+ lookups[index]={ lookup }
+ end
+ end
+ for index=1,length do
+ if not lookups[index] then
+ lookups[index]=false
+ end
+ end
+ end
+ return lookups
+end
+local function unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,what)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ if subtype==1 then
+ local coverage=readushort(f)
+ local subclasssets=readarray(f)
+ local rules={}
+ if subclasssets then
+ coverage=readcoverage(f,tableoffset+coverage,true)
+ for i=1,#subclasssets do
+ local offset=subclasssets[i]
+ if offset>0 then
+ local firstcoverage=coverage[i]
+ local rulesoffset=tableoffset+offset
+ local subclassrules=readarray(f,rulesoffset)
+ for rule=1,#subclassrules do
+ setposition(f,rulesoffset+subclassrules[rule])
+ local nofcurrent=readushort(f)
+ local noflookups=readushort(f)
+ local current={ { firstcoverage } }
+ for i=2,nofcurrent do
+ current[i]={ readushort(f) }
+ end
+ local lookups=readlookuparray(f,noflookups,nofcurrent)
+ rules[#rules+1]={
+ current=current,
+ lookups=lookups
+ }
+ end
+ end
+ end
+ else
+ report("empty subclassset in %a subtype %i","unchainedcontext",subtype)
+ end
+ return {
+ format="glyphs",
+ rules=rules,
+ }
+ elseif subtype==2 then
+ local coverage=readushort(f)
+ local currentclassdef=readushort(f)
+ local subclasssets=readarray(f)
+ local rules={}
+ if subclasssets then
+ coverage=readcoverage(f,tableoffset+coverage)
+ currentclassdef=readclassdef(f,tableoffset+currentclassdef,coverage)
+ local currentclasses=classtocoverage(currentclassdef,fontdata.glyphs)
+ for class=1,#subclasssets do
+ local offset=subclasssets[class]
+ if offset>0 then
+ local firstcoverage=currentclasses[class]
+ if firstcoverage then
+ firstcoverage=covered(firstcoverage,coverage)
+ if firstcoverage then
+ local rulesoffset=tableoffset+offset
+ local subclassrules=readarray(f,rulesoffset)
+ for rule=1,#subclassrules do
+ setposition(f,rulesoffset+subclassrules[rule])
+ local nofcurrent=readushort(f)
+ local noflookups=readushort(f)
+ local current={ firstcoverage }
+ for i=2,nofcurrent do
+ current[i]=currentclasses[readushort(f)+1]
+ end
+ local lookups=readlookuparray(f,noflookups,nofcurrent)
+ rules[#rules+1]={
+ current=current,
+ lookups=lookups
+ }
+ end
+ else
+ report("no coverage")
+ end
+ else
+ report("no coverage class")
+ end
+ end
+ end
+ else
+ report("empty subclassset in %a subtype %i","unchainedcontext",subtype)
+ end
+ return {
+ format="class",
+ rules=rules,
+ }
+ elseif subtype==3 then
+ local current=readarray(f)
+ local noflookups=readushort(f)
+ local lookups=readlookuparray(f,noflookups,#current)
+ current=readcoveragearray(f,tableoffset,current,true)
+ return {
+ format="coverage",
+ rules={
+ {
+ current=current,
+ lookups=lookups,
+ }
+ }
+ }
+ else
+ report("unsupported subtype %a in %a %s",subtype,"unchainedcontext",what)
+ end
+end
+local function chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,what)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ if subtype==1 then
+ local coverage=readushort(f)
+ local subclasssets=readarray(f)
+ local rules={}
+ if subclasssets then
+ coverage=readcoverage(f,tableoffset+coverage,true)
+ for i=1,#subclasssets do
+ local offset=subclasssets[i]
+ if offset>0 then
+ local firstcoverage=coverage[i]
+ local rulesoffset=tableoffset+offset
+ local subclassrules=readarray(f,rulesoffset)
+ for rule=1,#subclassrules do
+ setposition(f,rulesoffset+subclassrules[rule])
+ local nofbefore=readushort(f)
+ local before
+ if nofbefore>0 then
+ before={}
+ for i=1,nofbefore do
+ before[i]={ readushort(f) }
+ end
+ end
+ local nofcurrent=readushort(f)
+ local current={ { firstcoverage } }
+ for i=2,nofcurrent do
+ current[i]={ readushort(f) }
+ end
+ local nofafter=readushort(f)
+ local after
+ if nofafter>0 then
+ after={}
+ for i=1,nofafter do
+ after[i]={ readushort(f) }
+ end
+ end
+ local noflookups=readushort(f)
+ local lookups=readlookuparray(f,noflookups,nofcurrent)
+ rules[#rules+1]={
+ before=before,
+ current=current,
+ after=after,
+ lookups=lookups,
+ }
+ end
+ end
+ end
+ else
+ report("empty subclassset in %a subtype %i","chainedcontext",subtype)
+ end
+ return {
+ format="glyphs",
+ rules=rules,
+ }
+ elseif subtype==2 then
+ local coverage=readushort(f)
+ local beforeclassdef=readushort(f)
+ local currentclassdef=readushort(f)
+ local afterclassdef=readushort(f)
+ local subclasssets=readarray(f)
+ local rules={}
+ if subclasssets then
+ local coverage=readcoverage(f,tableoffset+coverage)
+ local beforeclassdef=readclassdef(f,tableoffset+beforeclassdef,nofglyphs)
+ local currentclassdef=readclassdef(f,tableoffset+currentclassdef,coverage)
+ local afterclassdef=readclassdef(f,tableoffset+afterclassdef,nofglyphs)
+ local beforeclasses=classtocoverage(beforeclassdef,fontdata.glyphs)
+ local currentclasses=classtocoverage(currentclassdef,fontdata.glyphs)
+ local afterclasses=classtocoverage(afterclassdef,fontdata.glyphs)
+ for class=1,#subclasssets do
+ local offset=subclasssets[class]
+ if offset>0 then
+ local firstcoverage=currentclasses[class]
+ if firstcoverage then
+ firstcoverage=covered(firstcoverage,coverage)
+ if firstcoverage then
+ local rulesoffset=tableoffset+offset
+ local subclassrules=readarray(f,rulesoffset)
+ for rule=1,#subclassrules do
+ setposition(f,rulesoffset+subclassrules[rule])
+ local nofbefore=readushort(f)
+ local before
+ if nofbefore>0 then
+ before={}
+ for i=1,nofbefore do
+ before[i]=beforeclasses[readushort(f)+1]
+ end
+ end
+ local nofcurrent=readushort(f)
+ local current={ firstcoverage }
+ for i=2,nofcurrent do
+ current[i]=currentclasses[readushort(f)+1]
+ end
+ local nofafter=readushort(f)
+ local after
+ if nofafter>0 then
+ after={}
+ for i=1,nofafter do
+ after[i]=afterclasses[readushort(f)+1]
+ end
+ end
+ local noflookups=readushort(f)
+ local lookups=readlookuparray(f,noflookups,nofcurrent)
+ rules[#rules+1]={
+ before=before,
+ current=current,
+ after=after,
+ lookups=lookups,
+ }
+ end
+ else
+ report("no coverage")
+ end
+ else
+ report("class is not covered")
+ end
+ end
+ end
+ else
+ report("empty subclassset in %a subtype %i","chainedcontext",subtype)
+ end
+ return {
+ format="class",
+ rules=rules,
+ }
+ elseif subtype==3 then
+ local before=readarray(f)
+ local current=readarray(f)
+ local after=readarray(f)
+ local noflookups=readushort(f)
+ local lookups=readlookuparray(f,noflookups,#current)
+ before=readcoveragearray(f,tableoffset,before,true)
+ current=readcoveragearray(f,tableoffset,current,true)
+ after=readcoveragearray(f,tableoffset,after,true)
+ return {
+ format="coverage",
+ rules={
+ {
+ before=before,
+ current=current,
+ after=after,
+ lookups=lookups,
+ }
+ }
+ }
+ else
+ report("unsupported subtype %a in %a %s",subtype,"chainedcontext",what)
+ end
+end
+local function extension(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,types,handlers,what)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ if subtype==1 then
+ local lookuptype=types[readushort(f)]
+ local faroffset=readulong(f)
+ local handler=handlers[lookuptype]
+ if handler then
+ return handler(f,fontdata,lookupid,tableoffset+faroffset,0,glyphs,nofglyphs),lookuptype
+ else
+ report("no handler for lookuptype %a subtype %a in %s %s",lookuptype,subtype,what,"extension")
+ end
+ else
+ report("unsupported subtype %a in %s %s",subtype,what,"extension")
+ end
+end
+function gsubhandlers.single(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ if subtype==1 then
+ local coverage=readushort(f)
+ local delta=readshort(f)
+ local coverage=readcoverage(f,tableoffset+coverage)
+ for index in next,coverage do
+ local newindex=index+delta
+ if index>nofglyphs or newindex>nofglyphs then
+ report("invalid index in %s format %i: %i -> %i (max %i)","single",subtype,index,newindex,nofglyphs)
+ coverage[index]=nil
+ else
+ coverage[index]=newindex
+ end
+ end
+ return {
+ coverage=coverage
+ }
+ elseif subtype==2 then
+ local coverage=readushort(f)
+ local nofreplacements=readushort(f)
+ local replacements=readcardinaltable(f,nofreplacements,ushort)
+ local coverage=readcoverage(f,tableoffset+coverage)
+ for index,newindex in next,coverage do
+ newindex=newindex+1
+ if index>nofglyphs or newindex>nofglyphs then
+ report("invalid index in %s format %i: %i -> %i (max %i)","single",subtype,index,newindex,nofglyphs)
+ coverage[index]=nil
+ else
+ coverage[index]=replacements[newindex]
+ end
+ end
+ return {
+ coverage=coverage
+ }
+ else
+ report("unsupported subtype %a in %a substitution",subtype,"single")
+ end
+end
+local function sethandler(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,what)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ if subtype==1 then
+ local coverage=readushort(f)
+ local nofsequence=readushort(f)
+ local sequences=readcardinaltable(f,nofsequence,ushort)
+ for i=1,nofsequence do
+ setposition(f,tableoffset+sequences[i])
+ sequences[i]=readcardinaltable(f,readushort(f),ushort)
+ end
+ local coverage=readcoverage(f,tableoffset+coverage)
+ for index,newindex in next,coverage do
+ newindex=newindex+1
+ if index>nofglyphs or newindex>nofglyphs then
+ report("invalid index in %s format %i: %i -> %i (max %i)",what,subtype,index,newindex,nofglyphs)
+ coverage[index]=nil
+ else
+ coverage[index]=sequences[newindex]
+ end
+ end
+ return {
+ coverage=coverage
+ }
+ else
+ report("unsupported subtype %a in %a substitution",subtype,what)
+ end
+end
+function gsubhandlers.multiple(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return sethandler(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"multiple")
+end
+function gsubhandlers.alternate(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return sethandler(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"alternate")
+end
+function gsubhandlers.ligature(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ if subtype==1 then
+ local coverage=readushort(f)
+ local nofsets=readushort(f)
+ local ligatures=readcardinaltable(f,nofsets,ushort)
+ for i=1,nofsets do
+ local offset=lookupoffset+offset+ligatures[i]
+ setposition(f,offset)
+ local n=readushort(f)
+ if n==1 then
+ ligatures[i]={ offset+readushort(f) }
+ else
+ local l={}
+ for i=1,n do
+ l[i]=offset+readushort(f)
+ end
+ ligatures[i]=l
+ end
+ end
+ local coverage=readcoverage(f,tableoffset+coverage)
+ for index,newindex in next,coverage do
+ local hash={}
+ local ligatures=ligatures[newindex+1]
+ for i=1,#ligatures do
+ local offset=ligatures[i]
+ setposition(f,offset)
+ local lig=readushort(f)
+ local cnt=readushort(f)
+ local hsh=hash
+ for i=2,cnt do
+ local c=readushort(f)
+ local h=hsh[c]
+ if not h then
+ h={}
+ hsh[c]=h
+ end
+ hsh=h
+ end
+ hsh.ligature=lig
+ end
+ coverage[index]=hash
+ end
+ return {
+ coverage=coverage
+ }
+ else
+ report("unsupported subtype %a in %a substitution",subtype,"ligature")
+ end
+end
+function gsubhandlers.context(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"substitution"),"context"
+end
+function gsubhandlers.chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"substitution"),"chainedcontext"
+end
+function gsubhandlers.extension(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return extension(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,gsubtypes,gsubhandlers,"substitution")
+end
+function gsubhandlers.reversechainedcontextsingle(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ if subtype==1 then
+ local current=readfirst(f)
+ local before=readarray(f)
+ local after=readarray(f)
+ local replacements=readarray(f)
+ current=readcoveragearray(f,tableoffset,current,true)
+ before=readcoveragearray(f,tableoffset,before,true)
+ after=readcoveragearray(f,tableoffset,after,true)
+ return {
+ format="reversecoverage",
+ rules={
+ {
+ before=before,
+ current=current,
+ after=after,
+ replacements=replacements,
+ }
+ }
+ },"reversechainedcontextsingle"
+ else
+ report("unsupported subtype %a in %a substitution",subtype,"reversechainedcontextsingle")
+ end
+end
+local function readpairsets(f,tableoffset,sets,format1,format2,mainoffset,getdelta)
+ local done={}
+ for i=1,#sets do
+ local offset=sets[i]
+ local reused=done[offset]
+ if not reused then
+ offset=tableoffset+offset
+ setposition(f,offset)
+ local n=readushort(f)
+ reused={}
+ for i=1,n do
+ reused[i]={
+ readushort(f),
+ readposition(f,format1,offset,getdelta),
+ readposition(f,format2,offset,getdelta),
+ }
+ end
+ done[offset]=reused
+ end
+ sets[i]=reused
+ end
+ return sets
+end
+local function readpairclasssets(f,nofclasses1,nofclasses2,format1,format2,mainoffset,getdelta)
+ local classlist1={}
+ for i=1,nofclasses1 do
+ local classlist2={}
+ classlist1[i]=classlist2
+ for j=1,nofclasses2 do
+ local one=readposition(f,format1,mainoffset,getdelta)
+ local two=readposition(f,format2,mainoffset,getdelta)
+ if one or two then
+ classlist2[j]={ one,two }
+ else
+ classlist2[j]=false
+ end
+ end
+ end
+ return classlist1
+end
+function gposhandlers.single(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ local getdelta=fontdata.temporary.getdelta
+ if subtype==1 then
+ local coverage=readushort(f)
+ local format=readushort(f)
+ local value=readposition(f,format,tableoffset,getdelta)
+ local coverage=readcoverage(f,tableoffset+coverage)
+ for index,newindex in next,coverage do
+ coverage[index]=value
+ end
+ return {
+ format="single",
+ coverage=coverage,
+ }
+ elseif subtype==2 then
+ local coverage=readushort(f)
+ local format=readushort(f)
+ local nofvalues=readushort(f)
+ local values={}
+ for i=1,nofvalues do
+ values[i]=readposition(f,format,tableoffset,getdelta)
+ end
+ local coverage=readcoverage(f,tableoffset+coverage)
+ for index,newindex in next,coverage do
+ coverage[index]=values[newindex+1]
+ end
+ return {
+ format="single",
+ coverage=coverage,
+ }
+ else
+ report("unsupported subtype %a in %a positioning",subtype,"single")
+ end
+end
+function gposhandlers.pair(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ local getdelta=fontdata.temporary.getdelta
+ if subtype==1 then
+ local coverage=readushort(f)
+ local format1=readushort(f)
+ local format2=readushort(f)
+ local sets=readarray(f)
+ sets=readpairsets(f,tableoffset,sets,format1,format2,mainoffset,getdelta)
+ coverage=readcoverage(f,tableoffset+coverage)
+ for index,newindex in next,coverage do
+ local set=sets[newindex+1]
+ local hash={}
+ for i=1,#set do
+ local value=set[i]
+ if value then
+ local other=value[1]
+ local first=value[2]
+ local second=value[3]
+ if first or second then
+ hash[other]={ first,second or nil }
+ else
+ hash[other]=nil
+ end
+ end
+ end
+ coverage[index]=hash
+ end
+ return {
+ format="pair",
+ coverage=coverage,
+ }
+ elseif subtype==2 then
+ local coverage=readushort(f)
+ local format1=readushort(f)
+ local format2=readushort(f)
+ local classdef1=readushort(f)
+ local classdef2=readushort(f)
+ local nofclasses1=readushort(f)
+ local nofclasses2=readushort(f)
+ local classlist=readpairclasssets(f,nofclasses1,nofclasses2,format1,format2,tableoffset,getdelta)
+ coverage=readcoverage(f,tableoffset+coverage)
+ classdef1=readclassdef(f,tableoffset+classdef1,coverage)
+ classdef2=readclassdef(f,tableoffset+classdef2,nofglyphs)
+ local usedcoverage={}
+ for g1,c1 in next,classdef1 do
+ if coverage[g1] then
+ local l1=classlist[c1]
+ if l1 then
+ local hash={}
+ for paired,class in next,classdef2 do
+ local offsets=l1[class]
+ if offsets then
+ local first=offsets[1]
+ local second=offsets[2]
+ if first or second then
+ hash[paired]={ first,second or nil }
+ else
+ end
+ end
+ end
+ usedcoverage[g1]=hash
+ end
+ end
+ end
+ return {
+ format="pair",
+ coverage=usedcoverage,
+ }
+ elseif subtype==3 then
+ report("yet unsupported subtype %a in %a positioning",subtype,"pair")
+ else
+ report("unsupported subtype %a in %a positioning",subtype,"pair")
+ end
+end
+function gposhandlers.cursive(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ local getdelta=fontdata.temporary.getdelta
+ if subtype==1 then
+ local coverage=tableoffset+readushort(f)
+ local nofrecords=readushort(f)
+ local records={}
+ for i=1,nofrecords do
+ local entry=readushort(f)
+ local exit=readushort(f)
+ records[i]={
+ entry~=0 and (tableoffset+entry) or false,
+ exit~=0 and (tableoffset+exit ) or nil,
+ }
+ end
+ local cc=(fontdata.temporary.cursivecount or 0)+1
+ fontdata.temporary.cursivecount=cc
+ cc="cc-"..cc
+ coverage=readcoverage(f,coverage)
+ for i=1,nofrecords do
+ local r=records[i]
+ records[i]={
+ cc,
+ readanchor(f,r[1],getdelta) or false,
+ readanchor(f,r[2],getdelta) or nil,
+ }
+ end
+ for index,newindex in next,coverage do
+ coverage[index]=records[newindex+1]
+ end
+ return {
+ coverage=coverage,
+ }
+ else
+ report("unsupported subtype %a in %a positioning",subtype,"cursive")
+ end
+end
+local function handlemark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,ligature)
+ local tableoffset=lookupoffset+offset
+ setposition(f,tableoffset)
+ local subtype=readushort(f)
+ local getdelta=fontdata.temporary.getdelta
+ if subtype==1 then
+ local markcoverage=tableoffset+readushort(f)
+ local basecoverage=tableoffset+readushort(f)
+ local nofclasses=readushort(f)
+ local markoffset=tableoffset+readushort(f)
+ local baseoffset=tableoffset+readushort(f)
+ local markcoverage=readcoverage(f,markcoverage)
+ local basecoverage=readcoverage(f,basecoverage,true)
+ setposition(f,markoffset)
+ local markclasses={}
+ local nofmarkclasses=readushort(f)
+ local lastanchor=fontdata.lastanchor or 0
+ local usedanchors={}
+ for i=1,nofmarkclasses do
+ local class=readushort(f)+1
+ local offset=readushort(f)
+ if offset==0 then
+ markclasses[i]=false
+ else
+ markclasses[i]={ class,markoffset+offset }
+ end
+ usedanchors[class]=true
+ end
+ for i=1,nofmarkclasses do
+ local mc=markclasses[i]
+ if mc then
+ mc[2]=readanchor(f,mc[2],getdelta)
+ end
+ end
+ setposition(f,baseoffset)
+ local nofbaserecords=readushort(f)
+ local baserecords={}
+ if ligature then
+ for i=1,nofbaserecords do
+ local offset=readushort(f)
+ if offset==0 then
+ baserecords[i]=false
+ else
+ baserecords[i]=baseoffset+offset
+ end
+ end
+ for i=1,nofbaserecords do
+ local recordoffset=baserecords[i]
+ if recordoffset then
+ setposition(f,recordoffset)
+ local nofcomponents=readushort(f)
+ local components={}
+ for i=1,nofcomponents do
+ local classes={}
+ for i=1,nofclasses do
+ local offset=readushort(f)
+ if offset~=0 then
+ classes[i]=recordoffset+offset
+ else
+ classes[i]=false
+ end
+ end
+ components[i]=classes
+ end
+ baserecords[i]=components
+ end
+ end
+ local baseclasses={}
+ for i=1,nofclasses do
+ baseclasses[i]={}
+ end
+ for i=1,nofbaserecords do
+ local components=baserecords[i]
+ if components then
+ local b=basecoverage[i]
+ for c=1,#components do
+ local classes=components[c]
+ if classes then
+ for i=1,nofclasses do
+ local anchor=readanchor(f,classes[i],getdelta)
+ local bclass=baseclasses[i]
+ local bentry=bclass[b]
+ if bentry then
+ bentry[c]=anchor
+ else
+ bclass[b]={ [c]=anchor }
+ end
+ end
+ end
+ end
+ end
+ end
+ for index,newindex in next,markcoverage do
+ markcoverage[index]=markclasses[newindex+1] or nil
+ end
+ return {
+ format="ligature",
+ baseclasses=baseclasses,
+ coverage=markcoverage,
+ }
+ else
+ for i=1,nofbaserecords do
+ local r={}
+ for j=1,nofclasses do
+ local offset=readushort(f)
+ if offset==0 then
+ r[j]=false
+ else
+ r[j]=baseoffset+offset
+ end
+ end
+ baserecords[i]=r
+ end
+ local baseclasses={}
+ for i=1,nofclasses do
+ baseclasses[i]={}
+ end
+ for i=1,nofbaserecords do
+ local r=baserecords[i]
+ local b=basecoverage[i]
+ for j=1,nofclasses do
+ baseclasses[j][b]=readanchor(f,r[j],getdelta)
+ end
+ end
+ for index,newindex in next,markcoverage do
+ markcoverage[index]=markclasses[newindex+1] or nil
+ end
+ return {
+ format="base",
+ baseclasses=baseclasses,
+ coverage=markcoverage,
+ }
+ end
+ else
+ report("unsupported subtype %a in",subtype)
+ end
+end
+function gposhandlers.marktobase(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return handlemark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+end
+function gposhandlers.marktoligature(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return handlemark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,true)
+end
+function gposhandlers.marktomark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return handlemark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+end
+function gposhandlers.context(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"positioning"),"context"
+end
+function gposhandlers.chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"positioning"),"chainedcontext"
+end
+function gposhandlers.extension(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs)
+ return extension(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,gpostypes,gposhandlers,"positioning")
+end
+do
+ local plugins={}
+ function plugins.size(f,fontdata,tableoffset,feature)
+ if fontdata.designsize then
+ else
+ local function check(offset)
+ setposition(f,offset)
+ local designsize=readushort(f)
+ if designsize>0 then
+ local fontstyleid=readushort(f)
+ local guimenuid=readushort(f)
+ local minsize=readushort(f)
+ local maxsize=readushort(f)
+ if minsize==0 and maxsize==0 and fontstyleid==0 and guimenuid==0 then
+ minsize=designsize
+ maxsize=designsize
+ end
+ if designsize>=minsize and designsize<=maxsize then
+ return minsize,maxsize,designsize
+ end
+ end
+ end
+ local minsize,maxsize,designsize=check(tableoffset+feature.offset+feature.parameters)
+ if not designsize then
+ minsize,maxsize,designsize=check(tableoffset+feature.parameters)
+ if designsize then
+ report("bad size feature in %a, falling back to wrong offset",fontdata.filename or "?")
+ else
+ report("bad size feature in %a,",fontdata.filename or "?")
+ end
+ end
+ if designsize then
+ fontdata.minsize=minsize
+ fontdata.maxsize=maxsize
+ fontdata.designsize=designsize
+ end
+ end
+ end
+ local function reorderfeatures(fontdata,scripts,features)
+ local scriptlangs={}
+ local featurehash={}
+ local featureorder={}
+ for script,languages in next,scripts do
+ for language,record in next,languages do
+ local hash={}
+ local list=record.featureindices
+ for k=1,#list do
+ local index=list[k]
+ local feature=features[index]
+ local lookups=feature.lookups
+ local tag=feature.tag
+ if tag then
+ hash[tag]=true
+ end
+ if lookups then
+ for i=1,#lookups do
+ local lookup=lookups[i]
+ local o=featureorder[lookup]
+ if o then
+ local okay=true
+ for i=1,#o do
+ if o[i]==tag then
+ okay=false
+ break
+ end
+ end
+ if okay then
+ o[#o+1]=tag
+ end
+ else
+ featureorder[lookup]={ tag }
+ end
+ local f=featurehash[lookup]
+ if f then
+ local h=f[tag]
+ if h then
+ local s=h[script]
+ if s then
+ s[language]=true
+ else
+ h[script]={ [language]=true }
+ end
+ else
+ f[tag]={ [script]={ [language]=true } }
+ end
+ else
+ featurehash[lookup]={ [tag]={ [script]={ [language]=true } } }
+ end
+ local h=scriptlangs[tag]
+ if h then
+ local s=h[script]
+ if s then
+ s[language]=true
+ else
+ h[script]={ [language]=true }
+ end
+ else
+ scriptlangs[tag]={ [script]={ [language]=true } }
+ end
+ end
+ end
+ end
+ end
+ end
+ return scriptlangs,featurehash,featureorder
+ end
+ local function readscriplan(f,fontdata,scriptoffset)
+ setposition(f,scriptoffset)
+ local nofscripts=readushort(f)
+ local scripts={}
+ for i=1,nofscripts do
+ scripts[readtag(f)]=scriptoffset+readushort(f)
+ end
+ local languagesystems=setmetatableindex("table")
+ for script,offset in next,scripts do
+ setposition(f,offset)
+ local defaultoffset=readushort(f)
+ local noflanguages=readushort(f)
+ local languages={}
+ if defaultoffset>0 then
+ languages.dflt=languagesystems[offset+defaultoffset]
+ end
+ for i=1,noflanguages do
+ local language=readtag(f)
+ local offset=offset+readushort(f)
+ languages[language]=languagesystems[offset]
+ end
+ scripts[script]=languages
+ end
+ for offset,usedfeatures in next,languagesystems do
+ if offset>0 then
+ setposition(f,offset)
+ local featureindices={}
+ usedfeatures.featureindices=featureindices
+ usedfeatures.lookuporder=readushort(f)
+ usedfeatures.requiredindex=readushort(f)
+ local noffeatures=readushort(f)
+ for i=1,noffeatures do
+ featureindices[i]=readushort(f)+1
+ end
+ end
+ end
+ return scripts
+ end
+ local function readfeatures(f,fontdata,featureoffset)
+ setposition(f,featureoffset)
+ local features={}
+ local noffeatures=readushort(f)
+ for i=1,noffeatures do
+ features[i]={
+ tag=readtag(f),
+ offset=readushort(f)
+ }
+ end
+ for i=1,noffeatures do
+ local feature=features[i]
+ local offset=featureoffset+feature.offset
+ setposition(f,offset)
+ local parameters=readushort(f)
+ local noflookups=readushort(f)
+ if noflookups>0 then
+ local lookups=readcardinaltable(f,noflookups,ushort)
+ feature.lookups=lookups
+ for j=1,noflookups do
+ lookups[j]=lookups[j]+1
+ end
+ end
+ if parameters>0 then
+ feature.parameters=parameters
+ local plugin=plugins[feature.tag]
+ if plugin then
+ plugin(f,fontdata,featureoffset,feature)
+ end
+ end
+ end
+ return features
+ end
+ local function readlookups(f,lookupoffset,lookuptypes,featurehash,featureorder)
+ setposition(f,lookupoffset)
+ local noflookups=readushort(f)
+ local lookups=readcardinaltable(f,noflookups,ushort)
+ for lookupid=1,noflookups do
+ local offset=lookups[lookupid]
+ setposition(f,lookupoffset+offset)
+ local subtables={}
+ local typebits=readushort(f)
+ local flagbits=readushort(f)
+ local lookuptype=lookuptypes[typebits]
+ local lookupflags=lookupflags[flagbits]
+ local nofsubtables=readushort(f)
+ for j=1,nofsubtables do
+ subtables[j]=offset+readushort(f)
+ end
+ local markclass=band(flagbits,0x0010)~=0
+ if markclass then
+ markclass=readushort(f)
+ end
+ local markset=rshift(flagbits,8)
+ if markset>0 then
+ markclass=markset
+ end
+ lookups[lookupid]={
+ type=lookuptype,
+ flags=lookupflags,
+ name=lookupid,
+ subtables=subtables,
+ markclass=markclass,
+ features=featurehash[lookupid],
+ order=featureorder[lookupid],
+ }
+ end
+ return lookups
+ end
+ local f_lookupname=formatters["%s_%s_%s"]
+ local function resolvelookups(f,lookupoffset,fontdata,lookups,lookuptypes,lookuphandlers,what,tableoffset)
+ local sequences=fontdata.sequences or {}
+ local sublookuplist=fontdata.sublookups or {}
+ fontdata.sequences=sequences
+ fontdata.sublookups=sublookuplist
+ local nofsublookups=#sublookuplist
+ local nofsequences=#sequences
+ local lastsublookup=nofsublookups
+ local lastsequence=nofsequences
+ local lookupnames=lookupnames[what]
+ local sublookuphash={}
+ local sublookupcheck={}
+ local glyphs=fontdata.glyphs
+ local nofglyphs=fontdata.nofglyphs or #glyphs
+ local noflookups=#lookups
+ local lookupprefix=sub(what,2,2)
+ local usedlookups=false
+ for lookupid=1,noflookups do
+ local lookup=lookups[lookupid]
+ local lookuptype=lookup.type
+ local subtables=lookup.subtables
+ local features=lookup.features
+ local handler=lookuphandlers[lookuptype]
+ if handler then
+ local nofsubtables=#subtables
+ local order=lookup.order
+ local flags=lookup.flags
+ if flags[1] then flags[1]="mark" end
+ if flags[2] then flags[2]="ligature" end
+ if flags[3] then flags[3]="base" end
+ local markclass=lookup.markclass
+ if nofsubtables>0 then
+ local steps={}
+ local nofsteps=0
+ local oldtype=nil
+ for s=1,nofsubtables do
+ local step,lt=handler(f,fontdata,lookupid,lookupoffset,subtables[s],glyphs,nofglyphs)
+ if lt then
+ lookuptype=lt
+ if oldtype and lt~=oldtype then
+ report("messy %s lookup type %a and %a",what,lookuptype,oldtype)
+ end
+ oldtype=lookuptype
+ end
+ if not step then
+ report("unsupported %s lookup type %a",what,lookuptype)
+ else
+ nofsteps=nofsteps+1
+ steps[nofsteps]=step
+ local rules=step.rules
+ if rules then
+ for i=1,#rules do
+ local rule=rules[i]
+ local before=rule.before
+ local current=rule.current
+ local after=rule.after
+ local replacements=rule.replacements
+ if before then
+ for i=1,#before do
+ before[i]=tohash(before[i])
+ end
+ rule.before=reversed(before)
+ end
+ if current then
+ if replacements then
+ local first=current[1]
+ local hash={}
+ local repl={}
+ for i=1,#first do
+ local c=first[i]
+ hash[c]=true
+ repl[c]=replacements[i]
+ end
+ rule.current={ hash }
+ rule.replacements=repl
+ else
+ for i=1,#current do
+ current[i]=tohash(current[i])
+ end
+ end
+ else
+ end
+ if after then
+ for i=1,#after do
+ after[i]=tohash(after[i])
+ end
+ end
+ if usedlookups then
+ local lookups=rule.lookups
+ if lookups then
+ for k,v in next,lookups do
+ if v then
+ for k,v in next,v do
+ usedlookups[v]=usedlookups[v]+1
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ if nofsteps~=nofsubtables then
+ report("bogus subtables removed in %s lookup type %a",what,lookuptype)
+ end
+ lookuptype=lookupnames[lookuptype] or lookuptype
+ if features then
+ nofsequences=nofsequences+1
+ local l={
+ index=nofsequences,
+ name=f_lookupname(lookupprefix,"s",lookupid+lookupidoffset),
+ steps=steps,
+ nofsteps=nofsteps,
+ type=lookuptype,
+ markclass=markclass or nil,
+ flags=flags,
+ order=order,
+ features=features,
+ }
+ sequences[nofsequences]=l
+ lookup.done=l
+ else
+ nofsublookups=nofsublookups+1
+ local l={
+ index=nofsublookups,
+ name=f_lookupname(lookupprefix,"l",lookupid+lookupidoffset),
+ steps=steps,
+ nofsteps=nofsteps,
+ type=lookuptype,
+ markclass=markclass or nil,
+ flags=flags,
+ }
+ sublookuplist[nofsublookups]=l
+ sublookuphash[lookupid]=nofsublookups
+ sublookupcheck[lookupid]=0
+ lookup.done=l
+ end
+ else
+ report("no subtables for lookup %a",lookupid)
+ end
+ else
+ report("no handler for lookup %a with type %a",lookupid,lookuptype)
+ end
+ end
+ if usedlookups then
+ report("used %s lookups: % t",what,sortedkeys(usedlookups))
+ end
+ local reported={}
+ local function report_issue(i,what,sequence,kind)
+ local name=sequence.name
+ if not reported[name] then
+ report("rule %i in %s lookup %a has %s lookups",i,what,name,kind)
+ reported[name]=true
+ end
+ end
+ for i=lastsequence+1,nofsequences do
+ local sequence=sequences[i]
+ local steps=sequence.steps
+ for i=1,#steps do
+ local step=steps[i]
+ local rules=step.rules
+ if rules then
+ for i=1,#rules do
+ local rule=rules[i]
+ local rlookups=rule.lookups
+ if not rlookups then
+ report_issue(i,what,sequence,"no")
+ elseif not next(rlookups) then
+ report_issue(i,what,sequence,"empty")
+ rule.lookups=nil
+ else
+ local length=#rlookups
+ for index=1,length do
+ local lookuplist=rlookups[index]
+ if lookuplist then
+ local length=#lookuplist
+ local found={}
+ local noffound=0
+ for index=1,length do
+ local lookupid=lookuplist[index]
+ if lookupid then
+ local h=sublookuphash[lookupid]
+ if not h then
+ local lookup=lookups[lookupid]
+ if lookup then
+ local d=lookup.done
+ if d then
+ nofsublookups=nofsublookups+1
+ local l={
+ index=nofsublookups,
+ name=f_lookupname(lookupprefix,"d",lookupid+lookupidoffset),
+ derived=true,
+ steps=d.steps,
+ nofsteps=d.nofsteps,
+ type=d.lookuptype or "gsub_single",
+ markclass=d.markclass or nil,
+ flags=d.flags,
+ }
+ sublookuplist[nofsublookups]=copy(l)
+ sublookuphash[lookupid]=nofsublookups
+ sublookupcheck[lookupid]=1
+ h=nofsublookups
+ else
+ report_issue(i,what,sequence,"missing")
+ rule.lookups=nil
+ break
+ end
+ else
+ report_issue(i,what,sequence,"bad")
+ rule.lookups=nil
+ break
+ end
+ else
+ sublookupcheck[lookupid]=sublookupcheck[lookupid]+1
+ end
+ if h then
+ noffound=noffound+1
+ found[noffound]=h
+ end
+ end
+ end
+ rlookups[index]=noffound>0 and found or false
+ else
+ rlookups[index]=false
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ for i,n in sortedhash(sublookupcheck) do
+ local l=lookups[i]
+ local t=l.type
+ if n==0 and t~="extension" then
+ local d=l.done
+ report("%s lookup %s of type %a is not used",what,d and d.name or l.name,t)
+ end
+ end
+ end
+ local function loadvariations(f,fontdata,variationsoffset,lookuptypes,featurehash,featureorder)
+ setposition(f,variationsoffset)
+ local version=readulong(f)
+ local nofrecords=readulong(f)
+ local records={}
+ for i=1,nofrecords do
+ records[i]={
+ conditions=readulong(f),
+ substitutions=readulong(f),
+ }
+ end
+ for i=1,nofrecords do
+ local record=records[i]
+ local offset=record.conditions
+ if offset==0 then
+ record.condition=nil
+ record.matchtype="always"
+ else
+ local offset=variationsoffset+offset
+ setposition(f,offset)
+ local nofconditions=readushort(f)
+ local conditions={}
+ for i=1,nofconditions do
+ conditions[i]=offset+readulong(f)
+ end
+ record.conditions=conditions
+ record.matchtype="condition"
+ end
+ end
+ for i=1,nofrecords do
+ local record=records[i]
+ if record.matchtype=="condition" then
+ local conditions=record.conditions
+ for i=1,#conditions do
+ setposition(f,conditions[i])
+ conditions[i]={
+ format=readushort(f),
+ axis=readushort(f),
+ minvalue=read2dot14(f),
+ maxvalue=read2dot14(f),
+ }
+ end
+ end
+ end
+ for i=1,nofrecords do
+ local record=records[i]
+ local offset=record.substitutions
+ if offset==0 then
+ record.substitutions={}
+ else
+ setposition(f,variationsoffset+offset)
+ local version=readulong(f)
+ local nofsubstitutions=readushort(f)
+ local substitutions={}
+ for i=1,nofsubstitutions do
+ substitutions[readushort(f)]=readulong(f)
+ end
+ for index,alternates in sortedhash(substitutions) do
+ if index==0 then
+ record.substitutions=false
+ else
+ local tableoffset=variationsoffset+offset+alternates
+ setposition(f,tableoffset)
+ local parameters=readulong(f)
+ local noflookups=readushort(f)
+ local lookups=readcardinaltable(f,noflookups,ushort)
+ record.substitutions=lookups
+ end
+ end
+ end
+ end
+ setvariabledata(fontdata,"features",records)
+ end
+ local function readscripts(f,fontdata,what,lookuptypes,lookuphandlers,lookupstoo)
+ local tableoffset=gotodatatable(f,fontdata,what,true)
+ if tableoffset then
+ local version=readulong(f)
+ local scriptoffset=tableoffset+readushort(f)
+ local featureoffset=tableoffset+readushort(f)
+ local lookupoffset=tableoffset+readushort(f)
+ local variationsoffset=version>0x00010000 and (tableoffset+readulong(f)) or 0
+ if not scriptoffset then
+ return
+ end
+ local scripts=readscriplan(f,fontdata,scriptoffset)
+ local features=readfeatures(f,fontdata,featureoffset)
+ local scriptlangs,featurehash,featureorder=reorderfeatures(fontdata,scripts,features)
+ if fontdata.features then
+ fontdata.features[what]=scriptlangs
+ else
+ fontdata.features={ [what]=scriptlangs }
+ end
+ if not lookupstoo then
+ return
+ end
+ local lookups=readlookups(f,lookupoffset,lookuptypes,featurehash,featureorder)
+ if lookups then
+ resolvelookups(f,lookupoffset,fontdata,lookups,lookuptypes,lookuphandlers,what,tableoffset)
+ end
+ if variationsoffset>0 then
+ loadvariations(f,fontdata,variationsoffset,lookuptypes,featurehash,featureorder)
+ end
+ end
+ end
+ local function checkkerns(f,fontdata,specification)
+ local datatable=fontdata.tables.kern
+ if not datatable then
+ return
+ end
+ local features=fontdata.features
+ local gposfeatures=features and features.gpos
+ local name
+ if not gposfeatures or not gposfeatures.kern then
+ name="kern"
+ elseif specification.globalkerns then
+ name="globalkern"
+ else
+ report("ignoring global kern table using gpos kern feature")
+ return
+ end
+ setposition(f,datatable.offset)
+ local version=readushort(f)
+ local noftables=readushort(f)
+ if noftables>1 then
+ report("adding global kern table as gpos feature %a",name)
+ local kerns=setmetatableindex("table")
+ for i=1,noftables do
+ local version=readushort(f)
+ local length=readushort(f)
+ local coverage=readushort(f)
+ local format=rshift(coverage,8)
+ if format==0 then
+ local nofpairs=readushort(f)
+ local searchrange=readushort(f)
+ local entryselector=readushort(f)
+ local rangeshift=readushort(f)
+ for i=1,nofpairs do
+ kerns[readushort(f)][readushort(f)]=readfword(f)
+ end
+ elseif format==2 then
+ else
+ end
+ end
+ local feature={ dflt={ dflt=true } }
+ if not features then
+ fontdata.features={ gpos={ [name]=feature } }
+ elseif not gposfeatures then
+ fontdata.features.gpos={ [name]=feature }
+ else
+ gposfeatures[name]=feature
+ end
+ local sequences=fontdata.sequences
+ if not sequences then
+ sequences={}
+ fontdata.sequences=sequences
+ end
+ local nofsequences=#sequences+1
+ sequences[nofsequences]={
+ index=nofsequences,
+ name=name,
+ steps={
+ {
+ coverage=kerns,
+ format="kern",
+ },
+ },
+ nofsteps=1,
+ type="gpos_pair",
+ flags={ false,false,false,false },
+ order={ name },
+ features={ [name]=feature },
+ }
+ else
+ report("ignoring empty kern table of feature %a",name)
+ end
+ end
+ function readers.gsub(f,fontdata,specification)
+ if specification.details then
+ readscripts(f,fontdata,"gsub",gsubtypes,gsubhandlers,specification.lookups)
+ end
+ end
+ function readers.gpos(f,fontdata,specification)
+ if specification.details then
+ readscripts(f,fontdata,"gpos",gpostypes,gposhandlers,specification.lookups)
+ if specification.lookups then
+ checkkerns(f,fontdata,specification)
+ end
+ end
+ end
+end
+function readers.gdef(f,fontdata,specification)
+ if not specification.glyphs then
+ return
+ end
+ local datatable=fontdata.tables.gdef
+ if datatable then
+ local tableoffset=datatable.offset
+ setposition(f,tableoffset)
+ local version=readulong(f)
+ local classoffset=readushort(f)
+ local attachmentoffset=readushort(f)
+ local ligaturecarets=readushort(f)
+ local markclassoffset=readushort(f)
+ local marksetsoffset=version>=0x00010002 and readushort(f) or 0
+ local varsetsoffset=version>=0x00010003 and readulong(f) or 0
+ local glyphs=fontdata.glyphs
+ local marks={}
+ local markclasses=setmetatableindex("table")
+ local marksets=setmetatableindex("table")
+ fontdata.marks=marks
+ fontdata.markclasses=markclasses
+ fontdata.marksets=marksets
+ if classoffset~=0 then
+ setposition(f,tableoffset+classoffset)
+ local classformat=readushort(f)
+ if classformat==1 then
+ local firstindex=readushort(f)
+ local lastindex=firstindex+readushort(f)-1
+ for index=firstindex,lastindex do
+ local class=classes[readushort(f)]
+ if class=="mark" then
+ marks[index]=true
+ end
+ glyphs[index].class=class
+ end
+ elseif classformat==2 then
+ local nofranges=readushort(f)
+ for i=1,nofranges do
+ local firstindex=readushort(f)
+ local lastindex=readushort(f)
+ local class=classes[readushort(f)]
+ if class then
+ for index=firstindex,lastindex do
+ glyphs[index].class=class
+ if class=="mark" then
+ marks[index]=true
+ end
+ end
+ end
+ end
+ end
+ end
+ if markclassoffset~=0 then
+ setposition(f,tableoffset+markclassoffset)
+ local classformat=readushort(f)
+ if classformat==1 then
+ local firstindex=readushort(f)
+ local lastindex=firstindex+readushort(f)-1
+ for index=firstindex,lastindex do
+ markclasses[readushort(f)][index]=true
+ end
+ elseif classformat==2 then
+ local nofranges=readushort(f)
+ for i=1,nofranges do
+ local firstindex=readushort(f)
+ local lastindex=readushort(f)
+ local class=markclasses[readushort(f)]
+ for index=firstindex,lastindex do
+ class[index]=true
+ end
+ end
+ end
+ end
+ if marksetsoffset~=0 then
+ marksetsoffset=tableoffset+marksetsoffset
+ setposition(f,marksetsoffset)
+ local format=readushort(f)
+ if format==1 then
+ local nofsets=readushort(f)
+ local sets=readcardinaltable(f,nofsets,ulong)
+ for i=1,nofsets do
+ local offset=sets[i]
+ if offset~=0 then
+ marksets[i]=readcoverage(f,marksetsoffset+offset)
+ end
+ end
+ end
+ end
+ local factors=specification.factors
+ if (specification.variable or factors) and varsetsoffset~=0 then
+ local regions,deltas=readvariationdata(f,tableoffset+varsetsoffset,factors)
+ if factors then
+ fontdata.temporary.getdelta=function(outer,inner)
+ local delta=deltas[outer+1]
+ if delta then
+ local d=delta.deltas[inner+1]
+ if d then
+ local scales=delta.scales
+ local dd=0
+ for i=1,#scales do
+ local di=d[i]
+ if di then
+ dd=dd+scales[i]*di
+ else
+ break
+ end
+ end
+ return round(dd)
+ end
+ end
+ return 0
+ end
+ end
+ end
+ end
+end
+local function readmathvalue(f)
+ local v=readshort(f)
+ skipshort(f,1)
+ return v
+end
+local function readmathconstants(f,fontdata,offset)
+ setposition(f,offset)
+ fontdata.mathconstants={
+ ScriptPercentScaleDown=readshort(f),
+ ScriptScriptPercentScaleDown=readshort(f),
+ DelimitedSubFormulaMinHeight=readushort(f),
+ DisplayOperatorMinHeight=readushort(f),
+ MathLeading=readmathvalue(f),
+ AxisHeight=readmathvalue(f),
+ AccentBaseHeight=readmathvalue(f),
+ FlattenedAccentBaseHeight=readmathvalue(f),
+ SubscriptShiftDown=readmathvalue(f),
+ SubscriptTopMax=readmathvalue(f),
+ SubscriptBaselineDropMin=readmathvalue(f),
+ SuperscriptShiftUp=readmathvalue(f),
+ SuperscriptShiftUpCramped=readmathvalue(f),
+ SuperscriptBottomMin=readmathvalue(f),
+ SuperscriptBaselineDropMax=readmathvalue(f),
+ SubSuperscriptGapMin=readmathvalue(f),
+ SuperscriptBottomMaxWithSubscript=readmathvalue(f),
+ SpaceAfterScript=readmathvalue(f),
+ UpperLimitGapMin=readmathvalue(f),
+ UpperLimitBaselineRiseMin=readmathvalue(f),
+ LowerLimitGapMin=readmathvalue(f),
+ LowerLimitBaselineDropMin=readmathvalue(f),
+ StackTopShiftUp=readmathvalue(f),
+ StackTopDisplayStyleShiftUp=readmathvalue(f),
+ StackBottomShiftDown=readmathvalue(f),
+ StackBottomDisplayStyleShiftDown=readmathvalue(f),
+ StackGapMin=readmathvalue(f),
+ StackDisplayStyleGapMin=readmathvalue(f),
+ StretchStackTopShiftUp=readmathvalue(f),
+ StretchStackBottomShiftDown=readmathvalue(f),
+ StretchStackGapAboveMin=readmathvalue(f),
+ StretchStackGapBelowMin=readmathvalue(f),
+ FractionNumeratorShiftUp=readmathvalue(f),
+ FractionNumeratorDisplayStyleShiftUp=readmathvalue(f),
+ FractionDenominatorShiftDown=readmathvalue(f),
+ FractionDenominatorDisplayStyleShiftDown=readmathvalue(f),
+ FractionNumeratorGapMin=readmathvalue(f),
+ FractionNumeratorDisplayStyleGapMin=readmathvalue(f),
+ FractionRuleThickness=readmathvalue(f),
+ FractionDenominatorGapMin=readmathvalue(f),
+ FractionDenominatorDisplayStyleGapMin=readmathvalue(f),
+ SkewedFractionHorizontalGap=readmathvalue(f),
+ SkewedFractionVerticalGap=readmathvalue(f),
+ OverbarVerticalGap=readmathvalue(f),
+ OverbarRuleThickness=readmathvalue(f),
+ OverbarExtraAscender=readmathvalue(f),
+ UnderbarVerticalGap=readmathvalue(f),
+ UnderbarRuleThickness=readmathvalue(f),
+ UnderbarExtraDescender=readmathvalue(f),
+ RadicalVerticalGap=readmathvalue(f),
+ RadicalDisplayStyleVerticalGap=readmathvalue(f),
+ RadicalRuleThickness=readmathvalue(f),
+ RadicalExtraAscender=readmathvalue(f),
+ RadicalKernBeforeDegree=readmathvalue(f),
+ RadicalKernAfterDegree=readmathvalue(f),
+ RadicalDegreeBottomRaisePercent=readshort(f),
+ }
+end
+local function readmathglyphinfo(f,fontdata,offset)
+ setposition(f,offset)
+ local italics=readushort(f)
+ local accents=readushort(f)
+ local extensions=readushort(f)
+ local kerns=readushort(f)
+ local glyphs=fontdata.glyphs
+ if italics~=0 then
+ setposition(f,offset+italics)
+ local coverage=readushort(f)
+ local nofglyphs=readushort(f)
+ coverage=readcoverage(f,offset+italics+coverage,true)
+ setposition(f,offset+italics+4)
+ for i=1,nofglyphs do
+ local italic=readmathvalue(f)
+ if italic~=0 then
+ local glyph=glyphs[coverage[i]]
+ local math=glyph.math
+ if not math then
+ glyph.math={ italic=italic }
+ else
+ math.italic=italic
+ end
+ end
+ end
+ fontdata.hasitalics=true
+ end
+ if accents~=0 then
+ setposition(f,offset+accents)
+ local coverage=readushort(f)
+ local nofglyphs=readushort(f)
+ coverage=readcoverage(f,offset+accents+coverage,true)
+ setposition(f,offset+accents+4)
+ for i=1,nofglyphs do
+ local accent=readmathvalue(f)
+ if accent~=0 then
+ local glyph=glyphs[coverage[i]]
+ local math=glyph.math
+ if not math then
+ glyph.math={ accent=accent }
+ else
+ math.accent=accent
+ end
+ end
+ end
+ end
+ if extensions~=0 then
+ setposition(f,offset+extensions)
+ end
+ if kerns~=0 then
+ local kernoffset=offset+kerns
+ setposition(f,kernoffset)
+ local coverage=readushort(f)
+ local nofglyphs=readushort(f)
+ if nofglyphs>0 then
+ local function get(offset)
+ setposition(f,kernoffset+offset)
+ local n=readushort(f)
+ if n==0 then
+ local k=readmathvalue(f)
+ if k==0 then
+ else
+ return { { kern=k } }
+ end
+ else
+ local l={}
+ for i=1,n do
+ l[i]={ height=readmathvalue(f) }
+ end
+ for i=1,n do
+ l[i].kern=readmathvalue(f)
+ end
+ l[n+1]={ kern=readmathvalue(f) }
+ return l
+ end
+ end
+ local kernsets={}
+ for i=1,nofglyphs do
+ local topright=readushort(f)
+ local topleft=readushort(f)
+ local bottomright=readushort(f)
+ local bottomleft=readushort(f)
+ kernsets[i]={
+ topright=topright~=0 and topright or nil,
+ topleft=topleft~=0 and topleft or nil,
+ bottomright=bottomright~=0 and bottomright or nil,
+ bottomleft=bottomleft~=0 and bottomleft or nil,
+ }
+ end
+ coverage=readcoverage(f,kernoffset+coverage,true)
+ for i=1,nofglyphs do
+ local kernset=kernsets[i]
+ if next(kernset) then
+ local k=kernset.topright if k then kernset.topright=get(k) end
+ local k=kernset.topleft if k then kernset.topleft=get(k) end
+ local k=kernset.bottomright if k then kernset.bottomright=get(k) end
+ local k=kernset.bottomleft if k then kernset.bottomleft=get(k) end
+ if next(kernset) then
+ local glyph=glyphs[coverage[i]]
+ local math=glyph.math
+ if math then
+ math.kerns=kernset
+ else
+ glyph.math={ kerns=kernset }
+ end
+ end
+ end
+ end
+ end
+ end
+end
+local function readmathvariants(f,fontdata,offset)
+ setposition(f,offset)
+ local glyphs=fontdata.glyphs
+ local minoverlap=readushort(f)
+ local vcoverage=readushort(f)
+ local hcoverage=readushort(f)
+ local vnofglyphs=readushort(f)
+ local hnofglyphs=readushort(f)
+ local vconstruction=readcardinaltable(f,vnofglyphs,ushort)
+ local hconstruction=readcardinaltable(f,hnofglyphs,ushort)
+ fontdata.mathconstants.MinConnectorOverlap=minoverlap
+ local function get(offset,coverage,nofglyphs,construction,kvariants,kparts,kitalic)
+ if coverage~=0 and nofglyphs>0 then
+ local coverage=readcoverage(f,offset+coverage,true)
+ for i=1,nofglyphs do
+ local c=construction[i]
+ if c~=0 then
+ local index=coverage[i]
+ local glyph=glyphs[index]
+ local math=glyph.math
+ setposition(f,offset+c)
+ local assembly=readushort(f)
+ local nofvariants=readushort(f)
+ if nofvariants>0 then
+ local variants,v=nil,0
+ for i=1,nofvariants do
+ local variant=readushort(f)
+ if variant==index then
+ elseif variants then
+ v=v+1
+ variants[v]=variant
+ else
+ v=1
+ variants={ variant }
+ end
+ skipshort(f)
+ end
+ if not variants then
+ elseif not math then
+ math={ [kvariants]=variants }
+ glyph.math=math
+ else
+ math[kvariants]=variants
+ end
+ end
+ if assembly~=0 then
+ setposition(f,offset+c+assembly)
+ local italic=readmathvalue(f)
+ local nofparts=readushort(f)
+ local parts={}
+ for i=1,nofparts do
+ local p={
+ glyph=readushort(f),
+ start=readushort(f),
+ ["end"]=readushort(f),
+ advance=readushort(f),
+ }
+ local flags=readushort(f)
+ if band(flags,0x0001)~=0 then
+ p.extender=1
+ end
+ parts[i]=p
+ end
+ if not math then
+ math={
+ [kparts]=parts
+ }
+ glyph.math=math
+ else
+ math[kparts]=parts
+ end
+ if italic and italic~=0 then
+ math[kitalic]=italic
+ end
+ end
+ end
+ end
+ end
+ end
+ get(offset,vcoverage,vnofglyphs,vconstruction,"vvariants","vparts","vitalic")
+ get(offset,hcoverage,hnofglyphs,hconstruction,"hvariants","hparts","hitalic")
+end
+function readers.math(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"math",specification.glyphs)
+ if tableoffset then
+ local version=readulong(f)
+ local constants=readushort(f)
+ local glyphinfo=readushort(f)
+ local variants=readushort(f)
+ if constants==0 then
+ report("the math table of %a has no constants",fontdata.filename)
+ else
+ readmathconstants(f,fontdata,tableoffset+constants)
+ end
+ if glyphinfo~=0 then
+ readmathglyphinfo(f,fontdata,tableoffset+glyphinfo)
+ end
+ if variants~=0 then
+ readmathvariants(f,fontdata,tableoffset+variants)
+ end
+ end
+end
+function readers.colr(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"colr",specification.glyphs)
+ if tableoffset then
+ local version=readushort(f)
+ if version~=0 then
+ report("table version %a of %a is not supported (yet), maybe font %s is bad",version,"colr",fontdata.filename)
+ return
+ end
+ if not fontdata.tables.cpal then
+ report("color table %a in font %a has no mandate %a table","colr",fontdata.filename,"cpal")
+ fontdata.colorpalettes={}
+ end
+ local glyphs=fontdata.glyphs
+ local nofglyphs=readushort(f)
+ local baseoffset=readulong(f)
+ local layeroffset=readulong(f)
+ local noflayers=readushort(f)
+ local layerrecords={}
+ local maxclass=0
+ setposition(f,tableoffset+layeroffset)
+ for i=1,noflayers do
+ local slot=readushort(f)
+ local class=readushort(f)
+ if class<0xFFFF then
+ class=class+1
+ if class>maxclass then
+ maxclass=class
+ end
+ end
+ layerrecords[i]={
+ slot=slot,
+ class=class,
+ }
+ end
+ fontdata.maxcolorclass=maxclass
+ setposition(f,tableoffset+baseoffset)
+ for i=0,nofglyphs-1 do
+ local glyphindex=readushort(f)
+ local firstlayer=readushort(f)
+ local noflayers=readushort(f)
+ local t={}
+ for i=1,noflayers do
+ t[i]=layerrecords[firstlayer+i]
+ end
+ glyphs[glyphindex].colors=t
+ end
+ end
+ fontdata.hascolor=true
+end
+function readers.cpal(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"cpal",specification.glyphs)
+ if tableoffset then
+ local version=readushort(f)
+ local nofpaletteentries=readushort(f)
+ local nofpalettes=readushort(f)
+ local nofcolorrecords=readushort(f)
+ local firstcoloroffset=readulong(f)
+ local colorrecords={}
+ local palettes=readcardinaltable(f,nofpalettes,ushort)
+ if version==1 then
+ local palettettypesoffset=readulong(f)
+ local palettelabelsoffset=readulong(f)
+ local paletteentryoffset=readulong(f)
+ end
+ setposition(f,tableoffset+firstcoloroffset)
+ for i=1,nofcolorrecords do
+ local b,g,r,a=readbytes(f,4)
+ colorrecords[i]={
+ r,g,b,a~=255 and a or nil,
+ }
+ end
+ for i=1,nofpalettes do
+ local p={}
+ local o=palettes[i]
+ for j=1,nofpaletteentries do
+ p[j]=colorrecords[o+j]
+ end
+ palettes[i]=p
+ end
+ fontdata.colorpalettes=palettes
+ end
+end
+function readers.svg(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"svg",specification.glyphs)
+ if tableoffset then
+ local version=readushort(f)
+ local glyphs=fontdata.glyphs
+ local indexoffset=tableoffset+readulong(f)
+ local reserved=readulong(f)
+ setposition(f,indexoffset)
+ local nofentries=readushort(f)
+ local entries={}
+ for i=1,nofentries do
+ entries[i]={
+ first=readushort(f),
+ last=readushort(f),
+ offset=indexoffset+readulong(f),
+ length=readulong(f),
+ }
+ end
+ for i=1,nofentries do
+ local entry=entries[i]
+ setposition(f,entry.offset)
+ entries[i]={
+ first=entry.first,
+ last=entry.last,
+ data=readstring(f,entry.length)
+ }
+ end
+ fontdata.svgshapes=entries
+ end
+ fontdata.hascolor=true
+end
+function readers.sbix(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"sbix",specification.glyphs)
+ if tableoffset then
+ local version=readushort(f)
+ local flags=readushort(f)
+ local nofstrikes=readulong(f)
+ local strikes={}
+ local nofglyphs=fontdata.nofglyphs
+ for i=1,nofstrikes do
+ strikes[i]=readulong(f)
+ end
+ local shapes={}
+ local done=0
+ for i=1,nofstrikes do
+ local strikeoffset=strikes[i]+tableoffset
+ setposition(f,strikeoffset)
+ strikes[i]={
+ ppem=readushort(f),
+ ppi=readushort(f),
+ offset=strikeoffset
+ }
+ end
+ sort(strikes,function(a,b)
+ if b.ppem==a.ppem then
+ return b.ppi<a.ppi
+ else
+ return b.ppem<a.ppem
+ end
+ end)
+ local glyphs={}
+ for i=1,nofstrikes do
+ local strike=strikes[i]
+ local strikeppem=strike.ppem
+ local strikeppi=strike.ppi
+ local strikeoffset=strike.offset
+ setposition(f,strikeoffset)
+ for i=0,nofglyphs do
+ glyphs[i]=readulong(f)
+ end
+ local glyphoffset=glyphs[0]
+ for i=0,nofglyphs-1 do
+ local nextoffset=glyphs[i+1]
+ if not shapes[i] then
+ local datasize=nextoffset-glyphoffset
+ if datasize>0 then
+ setposition(f,strikeoffset+glyphoffset)
+ shapes[i]={
+ x=readshort(f),
+ y=readshort(f),
+ tag=readtag(f),
+ data=readstring(f,datasize-8),
+ ppem=strikeppem,
+ ppi=strikeppi,
+ }
+ done=done+1
+ if done==nofglyphs then
+ break
+ end
+ end
+ end
+ glyphoffset=nextoffset
+ end
+ end
+ fontdata.sbixshapes=shapes
+ end
+end
+function readers.stat(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"stat",true)
+ if tableoffset then
+ local extras=fontdata.extras
+ local version=readulong(f)
+ local axissize=readushort(f)
+ local nofaxis=readushort(f)
+ local axisoffset=readulong(f)
+ local nofvalues=readushort(f)
+ local valuesoffset=readulong(f)
+ local fallbackname=extras[readushort(f)]
+ local axis={}
+ local values={}
+ setposition(f,tableoffset+axisoffset)
+ for i=1,nofaxis do
+ local tag=readtag(f)
+ axis[i]={
+ tag=tag,
+ name=lower(extras[readushort(f)] or tag),
+ ordering=readushort(f),
+ variants={}
+ }
+ end
+ setposition(f,tableoffset+valuesoffset)
+ for i=1,nofvalues do
+ values[i]=readushort(f)
+ end
+ for i=1,nofvalues do
+ setposition(f,tableoffset+valuesoffset+values[i])
+ local format=readushort(f)
+ local index=readushort(f)+1
+ local flags=readushort(f)
+ local name=lower(extras[readushort(f)] or "no name")
+ local value=readfixed(f)
+ local variant
+ if format==1 then
+ variant={
+ flags=flags,
+ name=name,
+ value=value,
+ }
+ elseif format==2 then
+ variant={
+ flags=flags,
+ name=name,
+ value=value,
+ minimum=readfixed(f),
+ maximum=readfixed(f),
+ }
+ elseif format==3 then
+ variant={
+ flags=flags,
+ name=name,
+ value=value,
+ link=readfixed(f),
+ }
+ end
+ insert(axis[index].variants,variant)
+ end
+ sort(axis,function(a,b)
+ return a.ordering<b.ordering
+ end)
+ for i=1,#axis do
+ local a=axis[i]
+ sort(a.variants,function(a,b)
+ return a.name<b.name
+ end)
+ a.ordering=nil
+ end
+ setvariabledata(fontdata,"designaxis",axis)
+ setvariabledata(fontdata,"fallbackname",fallbackname)
+ end
+end
+function readers.avar(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"avar",true)
+ if tableoffset then
+ local function collect()
+ local nofvalues=readushort(f)
+ local values={}
+ local lastfrom=false
+ local lastto=false
+ for i=1,nofvalues do
+ local f,t=read2dot14(f),read2dot14(f)
+ if lastfrom and f<=lastfrom then
+ elseif lastto and t>=lastto then
+ else
+ values[#values+1]={ f,t }
+ lastfrom,lastto=f,t
+ end
+ end
+ nofvalues=#values
+ if nofvalues>2 then
+ local some=values[1]
+ if some[1]==-1 and some[2]==-1 then
+ some=values[nofvalues]
+ if some[1]==1 and some[2]==1 then
+ for i=2,nofvalues-1 do
+ some=values[i]
+ if some[1]==0 and some[2]==0 then
+ return values
+ end
+ end
+ end
+ end
+ end
+ return false
+ end
+ local majorversion=readushort(f)
+ local minorversion=readushort(f)
+ local reserved=readushort(f)
+ local nofaxis=readushort(f)
+ local segments={}
+ for i=1,nofaxis do
+ segments[i]=collect()
+ end
+ setvariabledata(fontdata,"segments",segments)
+ end
+end
+function readers.fvar(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"fvar",true)
+ if tableoffset then
+ local version=readulong(f)
+ local offsettoaxis=tableoffset+readushort(f)
+ local reserved=skipshort(f)
+ local nofaxis=readushort(f)
+ local sizeofaxis=readushort(f)
+ local nofinstances=readushort(f)
+ local sizeofinstances=readushort(f)
+ local extras=fontdata.extras
+ local axis={}
+ local instances={}
+ setposition(f,offsettoaxis)
+ for i=1,nofaxis do
+ axis[i]={
+ tag=readtag(f),
+ minimum=readfixed(f),
+ default=readfixed(f),
+ maximum=readfixed(f),
+ flags=readushort(f),
+ name=lower(extras[readushort(f)] or "bad name"),
+ }
+ local n=sizeofaxis-20
+ if n>0 then
+ skipbytes(f,n)
+ elseif n<0 then
+ end
+ end
+ local nofbytes=2+2+2+nofaxis*4
+ local readpsname=nofbytes<=sizeofinstances
+ local skippable=sizeofinstances-nofbytes
+ for i=1,nofinstances do
+ local subfamid=readushort(f)
+ local flags=readushort(f)
+ local values={}
+ for i=1,nofaxis do
+ values[i]={
+ axis=axis[i].tag,
+ value=readfixed(f),
+ }
+ end
+ local psnameid=readpsname and readushort(f) or 0xFFFF
+ if subfamid==2 or subfamid==17 then
+ elseif subfamid==0xFFFF then
+ subfamid=nil
+ elseif subfamid<=256 or subfamid>=32768 then
+ subfamid=nil
+ end
+ if psnameid==6 then
+ elseif psnameid==0xFFFF then
+ psnameid=nil
+ elseif psnameid<=256 or psnameid>=32768 then
+ psnameid=nil
+ end
+ instances[i]={
+ subfamily=extras[subfamid],
+ psname=psnameid and extras[psnameid] or nil,
+ values=values,
+ }
+ if skippable>0 then
+ skipbytes(f,skippable)
+ end
+ end
+ setvariabledata(fontdata,"axis",axis)
+ setvariabledata(fontdata,"instances",instances)
+ end
+end
+function readers.hvar(f,fontdata,specification)
+ local factors=specification.factors
+ if not factors then
+ return
+ end
+ local tableoffset=gotodatatable(f,fontdata,"hvar",specification.variable)
+ if not tableoffset then
+ return
+ end
+ local version=readulong(f)
+ local variationoffset=tableoffset+readulong(f)
+ local advanceoffset=tableoffset+readulong(f)
+ local lsboffset=tableoffset+readulong(f)
+ local rsboffset=tableoffset+readulong(f)
+ local regions={}
+ local variations={}
+ local innerindex={}
+ local outerindex={}
+ if variationoffset>0 then
+ regions,deltas=readvariationdata(f,variationoffset,factors)
+ end
+ if not regions then
+ return
+ end
+ if advanceoffset>0 then
+ setposition(f,advanceoffset)
+ local format=readushort(f)
+ local mapcount=readushort(f)
+ local entrysize=rshift(band(format,0x0030),4)+1
+ local nofinnerbits=band(format,0x000F)+1
+ local innermask=lshift(1,nofinnerbits)-1
+ local readcardinal=read_cardinal[entrysize]
+ for i=0,mapcount-1 do
+ local mapdata=readcardinal(f)
+ outerindex[i]=rshift(mapdata,nofinnerbits)
+ innerindex[i]=band(mapdata,innermask)
+ end
+ setvariabledata(fontdata,"hvarwidths",true)
+ local glyphs=fontdata.glyphs
+ for i=0,fontdata.nofglyphs-1 do
+ local glyph=glyphs[i]
+ local width=glyph.width
+ if width then
+ local outer=outerindex[i] or 0
+ local inner=innerindex[i] or i
+ if outer and inner then
+ local delta=deltas[outer+1]
+ if delta then
+ local d=delta.deltas[inner+1]
+ if d then
+ local scales=delta.scales
+ local deltaw=0
+ for i=1,#scales do
+ local di=d[i]
+ if di then
+ deltaw=deltaw+scales[i]*di
+ else
+ break
+ end
+ end
+ glyph.width=width+round(deltaw)
+ end
+ end
+ end
+ end
+ end
+ end
+end
+function readers.vvar(f,fontdata,specification)
+ if not specification.variable then
+ return
+ end
+end
+function readers.mvar(f,fontdata,specification)
+ local tableoffset=gotodatatable(f,fontdata,"mvar",specification.variable)
+ if tableoffset then
+ local version=readulong(f)
+ local reserved=skipshort(f,1)
+ local recordsize=readushort(f)
+ local nofrecords=readushort(f)
+ local offsettostore=tableoffset+readushort(f)
+ local dimensions={}
+ local factors=specification.factors
+ if factors then
+ local regions,deltas=readvariationdata(f,offsettostore,factors)
+ for i=1,nofrecords do
+ local tag=readtag(f)
+ local var=variabletags[tag]
+ if var then
+ local outer=readushort(f)
+ local inner=readushort(f)
+ local delta=deltas[outer+1]
+ if delta then
+ local d=delta.deltas[inner+1]
+ if d then
+ local scales=delta.scales
+ local dd=0
+ for i=1,#scales do
+ dd=dd+scales[i]*d[i]
+ end
+ var(fontdata,round(dd))
+ end
+ end
+ else
+ skipshort(f,2)
+ end
+ if recordsize>8 then
+ skipbytes(recordsize-8)
+ end
+ end
+ end
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-oup']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next,type=next,type
+local P,R,S=lpeg.P,lpeg.R,lpeg.S
+local lpegmatch=lpeg.match
+local insert,remove,copy,unpack=table.insert,table.remove,table.copy,table.unpack
+local formatters=string.formatters
+local sortedkeys=table.sortedkeys
+local sortedhash=table.sortedhash
+local tohash=table.tohash
+local setmetatableindex=table.setmetatableindex
+local report=logs.reporter("otf reader")
+local trace_markwidth=false trackers.register("otf.markwidth",function(v) trace_markwidth=v end)
+local readers=fonts.handlers.otf.readers
+local privateoffset=fonts.constructors and fonts.constructors.privateoffset or 0xF0000
+local f_private=formatters["P%05X"]
+local f_unicode=formatters["U%05X"]
+local f_index=formatters["I%05X"]
+local f_character_y=formatters["%C"]
+local f_character_n=formatters["[ %C ]"]
+local check_duplicates=true
+local check_soft_hyphen=true
+directives.register("otf.checksofthyphen",function(v)
+ check_soft_hyphen=v
+end)
+local function replaced(list,index,replacement)
+ if type(list)=="number" then
+ return replacement
+ elseif type(replacement)=="table" then
+ local t={}
+ local n=index-1
+ for i=1,n do
+ t[i]=list[i]
+ end
+ for i=1,#replacement do
+ n=n+1
+ t[n]=replacement[i]
+ end
+ for i=index+1,#list do
+ n=n+1
+ t[n]=list[i]
+ end
+ else
+ list[index]=replacement
+ return list
+ end
+end
+local function unifyresources(fontdata,indices)
+ local descriptions=fontdata.descriptions
+ local resources=fontdata.resources
+ if not descriptions or not resources then
+ return
+ end
+ local variants=fontdata.resources.variants
+ if variants then
+ for selector,unicodes in next,variants do
+ for unicode,index in next,unicodes do
+ unicodes[unicode]=indices[index]
+ end
+ end
+ end
+ local function remark(marks)
+ if marks then
+ local newmarks={}
+ for k,v in next,marks do
+ local u=indices[k]
+ if u then
+ newmarks[u]=v
+ else
+ report("discarding mark %i",k)
+ end
+ end
+ return newmarks
+ end
+ end
+ local marks=resources.marks
+ if marks then
+ resources.marks=remark(marks)
+ end
+ local markclasses=resources.markclasses
+ if markclasses then
+ for class,marks in next,markclasses do
+ markclasses[class]=remark(marks)
+ end
+ end
+ local marksets=resources.marksets
+ if marksets then
+ for class,marks in next,marksets do
+ marksets[class]=remark(marks)
+ end
+ end
+ local done={}
+ local duplicates=check_duplicates and resources.duplicates
+ if duplicates and not next(duplicates) then
+ duplicates=false
+ end
+ local function recover(cover)
+ for i=1,#cover do
+ local c=cover[i]
+ if not done[c] then
+ local t={}
+ for k,v in next,c do
+ t[indices[k]]=v
+ end
+ cover[i]=t
+ done[c]=d
+ end
+ end
+ end
+ local function recursed(c)
+ local t={}
+ for g,d in next,c do
+ if type(d)=="table" then
+ t[indices[g]]=recursed(d)
+ else
+ t[g]=indices[d]
+ end
+ end
+ return t
+ end
+ local function unifythem(sequences)
+ if not sequences then
+ return
+ end
+ for i=1,#sequences do
+ local sequence=sequences[i]
+ local kind=sequence.type
+ local steps=sequence.steps
+ local features=sequence.features
+ if steps then
+ for i=1,#steps do
+ local step=steps[i]
+ if kind=="gsub_single" then
+ local c=step.coverage
+ if c then
+ local t1=done[c]
+ if not t1 then
+ t1={}
+ if duplicates then
+ for g1,d1 in next,c do
+ local ug1=indices[g1]
+ local ud1=indices[d1]
+ t1[ug1]=ud1
+ local dg1=duplicates[ug1]
+ if dg1 then
+ for u in next,dg1 do
+ t1[u]=ud1
+ end
+ end
+ end
+ else
+ for g1,d1 in next,c do
+ t1[indices[g1]]=indices[d1]
+ end
+ end
+ done[c]=t1
+ end
+ step.coverage=t1
+ end
+ elseif kind=="gpos_pair" then
+ local c=step.coverage
+ if c then
+ local t1=done[c]
+ if not t1 then
+ t1={}
+ for g1,d1 in next,c do
+ local t2=done[d1]
+ if not t2 then
+ t2={}
+ for g2,d2 in next,d1 do
+ t2[indices[g2]]=d2
+ end
+ done[d1]=t2
+ end
+ t1[indices[g1]]=t2
+ end
+ done[c]=t1
+ end
+ step.coverage=t1
+ end
+ elseif kind=="gsub_ligature" then
+ local c=step.coverage
+ if c then
+ step.coverage=recursed(c)
+ end
+ elseif kind=="gsub_alternate" or kind=="gsub_multiple" then
+ local c=step.coverage
+ if c then
+ local t1=done[c]
+ if not t1 then
+ t1={}
+ if duplicates then
+ for g1,d1 in next,c do
+ for i=1,#d1 do
+ d1[i]=indices[d1[i]]
+ end
+ local ug1=indices[g1]
+ t1[ug1]=d1
+ local dg1=duplicates[ug1]
+ if dg1 then
+ for u in next,dg1 do
+ t1[u]=copy(d1)
+ end
+ end
+ end
+ else
+ for g1,d1 in next,c do
+ for i=1,#d1 do
+ d1[i]=indices[d1[i]]
+ end
+ t1[indices[g1]]=d1
+ end
+ end
+ done[c]=t1
+ end
+ step.coverage=t1
+ end
+ elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" or kind=="gpos_mark2ligature" then
+ local c=step.coverage
+ if c then
+ local t1=done[c]
+ if not t1 then
+ t1={}
+ for g1,d1 in next,c do
+ t1[indices[g1]]=d1
+ end
+ done[c]=t1
+ end
+ step.coverage=t1
+ end
+ local c=step.baseclasses
+ if c then
+ local t1=done[c]
+ if not t1 then
+ for g1,d1 in next,c do
+ local t2=done[d1]
+ if not t2 then
+ t2={}
+ for g2,d2 in next,d1 do
+ t2[indices[g2]]=d2
+ end
+ done[d1]=t2
+ end
+ c[g1]=t2
+ end
+ done[c]=c
+ end
+ end
+ elseif kind=="gpos_single" then
+ local c=step.coverage
+ if c then
+ local t1=done[c]
+ if not t1 then
+ t1={}
+ if duplicates then
+ for g1,d1 in next,c do
+ local ug1=indices[g1]
+ t1[ug1]=d1
+ local dg1=duplicates[ug1]
+ if dg1 then
+ for u in next,dg1 do
+ t1[u]=d1
+ end
+ end
+ end
+ else
+ for g1,d1 in next,c do
+ t1[indices[g1]]=d1
+ end
+ end
+ done[c]=t1
+ end
+ step.coverage=t1
+ end
+ elseif kind=="gpos_cursive" then
+ local c=step.coverage
+ if c then
+ local t1=done[c]
+ if not t1 then
+ t1={}
+ if duplicates then
+ for g1,d1 in next,c do
+ local ug1=indices[g1]
+ t1[ug1]=d1
+ local dg1=duplicates[ug1]
+ if dg1 then
+ for u in next,dg1 do
+ t1[u]=copy(d1)
+ end
+ end
+ end
+ else
+ for g1,d1 in next,c do
+ t1[indices[g1]]=d1
+ end
+ end
+ done[c]=t1
+ end
+ step.coverage=t1
+ end
+ end
+ local rules=step.rules
+ if rules then
+ for i=1,#rules do
+ local rule=rules[i]
+ local before=rule.before if before then recover(before) end
+ local after=rule.after if after then recover(after) end
+ local current=rule.current if current then recover(current) end
+ local replacements=rule.replacements
+ if replacements then
+ if not done[replacements] then
+ local r={}
+ for k,v in next,replacements do
+ r[indices[k]]=indices[v]
+ end
+ rule.replacements=r
+ done[replacements]=r
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ unifythem(resources.sequences)
+ unifythem(resources.sublookups)
+end
+local function copyduplicates(fontdata)
+ if check_duplicates then
+ local descriptions=fontdata.descriptions
+ local resources=fontdata.resources
+ local duplicates=resources.duplicates
+ if check_soft_hyphen then
+ local ds=descriptions[0xAD]
+ if not ds or ds.width==0 then
+ if ds then
+ descriptions[0xAD]=nil
+ report("patching soft hyphen")
+ else
+ report("adding soft hyphen")
+ end
+ if not duplicates then
+ duplicates={}
+ resources.duplicates=duplicates
+ end
+ local dh=duplicates[0x2D]
+ if dh then
+ dh[#dh+1]={ [0xAD]=true }
+ else
+ duplicates[0x2D]={ [0xAD]=true }
+ end
+ end
+ end
+ if duplicates then
+ for u,d in next,duplicates do
+ local du=descriptions[u]
+ if du then
+ local t={ f_character_y(u),"@",f_index(du.index),"->" }
+ local n=0
+ local m=25
+ for u in next,d do
+ if descriptions[u] then
+ if n<m then
+ t[n+4]=f_character_n(u)
+ end
+ else
+ local c=copy(du)
+ c.unicode=u
+ descriptions[u]=c
+ if n<m then
+ t[n+4]=f_character_y(u)
+ end
+ end
+ n=n+1
+ end
+ if n<=m then
+ report("duplicates: %i : % t",n,t)
+ else
+ report("duplicates: %i : % t ...",n,t)
+ end
+ else
+ end
+ end
+ end
+ end
+end
+local ignore={
+ ["notdef"]=true,
+ [".notdef"]=true,
+ ["null"]=true,
+ [".null"]=true,
+ ["nonmarkingreturn"]=true,
+}
+local function checklookups(fontdata,missing,nofmissing)
+ local descriptions=fontdata.descriptions
+ local resources=fontdata.resources
+ if missing and nofmissing and nofmissing<=0 then
+ return
+ end
+ local singles={}
+ local alternates={}
+ local ligatures={}
+ if not missing then
+ missing={}
+ nofmissing=0
+ for u,d in next,descriptions do
+ if not d.unicode then
+ nofmissing=nofmissing+1
+ missing[u]=true
+ end
+ end
+ end
+ local function collectthem(sequences)
+ if not sequences then
+ return
+ end
+ for i=1,#sequences do
+ local sequence=sequences[i]
+ local kind=sequence.type
+ local steps=sequence.steps
+ if steps then
+ for i=1,#steps do
+ local step=steps[i]
+ if kind=="gsub_single" then
+ local c=step.coverage
+ if c then
+ singles[#singles+1]=c
+ end
+ elseif kind=="gsub_alternate" then
+ local c=step.coverage
+ if c then
+ alternates[#alternates+1]=c
+ end
+ elseif kind=="gsub_ligature" then
+ local c=step.coverage
+ if c then
+ ligatures[#ligatures+1]=c
+ end
+ end
+ end
+ end
+ end
+ end
+ collectthem(resources.sequences)
+ collectthem(resources.sublookups)
+ local loops=0
+ while true do
+ loops=loops+1
+ local old=nofmissing
+ for i=1,#singles do
+ local c=singles[i]
+ for g1,g2 in next,c do
+ if missing[g1] then
+ local u2=descriptions[g2].unicode
+ if u2 then
+ missing[g1]=false
+ descriptions[g1].unicode=u2
+ nofmissing=nofmissing-1
+ end
+ end
+ if missing[g2] then
+ local u1=descriptions[g1].unicode
+ if u1 then
+ missing[g2]=false
+ descriptions[g2].unicode=u1
+ nofmissing=nofmissing-1
+ end
+ end
+ end
+ end
+ for i=1,#alternates do
+ local c=alternates[i]
+ for g1,d1 in next,c do
+ if missing[g1] then
+ for i=1,#d1 do
+ local g2=d1[i]
+ local u2=descriptions[g2].unicode
+ if u2 then
+ missing[g1]=false
+ descriptions[g1].unicode=u2
+ nofmissing=nofmissing-1
+ end
+ end
+ end
+ if not missing[g1] then
+ for i=1,#d1 do
+ local g2=d1[i]
+ if missing[g2] then
+ local u1=descriptions[g1].unicode
+ if u1 then
+ missing[g2]=false
+ descriptions[g2].unicode=u1
+ nofmissing=nofmissing-1
+ end
+ end
+ end
+ end
+ end
+ end
+ if nofmissing<=0 then
+ report("all done in %s loops",loops)
+ return
+ elseif old==nofmissing then
+ break
+ end
+ end
+ local t,n
+ local function recursed(c)
+ for g,d in next,c do
+ if g~="ligature" then
+ local u=descriptions[g].unicode
+ if u then
+ n=n+1
+ t[n]=u
+ recursed(d)
+ n=n-1
+ end
+ elseif missing[d] then
+ local l={}
+ local m=0
+ for i=1,n do
+ local u=t[i]
+ if type(u)=="table" then
+ for i=1,#u do
+ m=m+1
+ l[m]=u[i]
+ end
+ else
+ m=m+1
+ l[m]=u
+ end
+ end
+ missing[d]=false
+ descriptions[d].unicode=l
+ nofmissing=nofmissing-1
+ end
+ end
+ end
+ if nofmissing>0 then
+ t={}
+ n=0
+ local loops=0
+ while true do
+ loops=loops+1
+ local old=nofmissing
+ for i=1,#ligatures do
+ recursed(ligatures[i])
+ end
+ if nofmissing<=0 then
+ report("all done in %s loops",loops)
+ return
+ elseif old==nofmissing then
+ break
+ end
+ end
+ t=nil
+ n=0
+ end
+ if nofmissing>0 then
+ local done={}
+ for i,r in next,missing do
+ if r then
+ local data=descriptions[i]
+ local name=data and data.name or f_index(i)
+ if not ignore[name] then
+ done[name]=true
+ end
+ end
+ end
+ if next(done) then
+ report("not unicoded: % t",sortedkeys(done))
+ end
+ end
+end
+local function unifymissing(fontdata)
+ if not fonts.mappings then
+ require("font-map")
+ require("font-agl")
+ end
+ local unicodes={}
+ local resources=fontdata.resources
+ resources.unicodes=unicodes
+ for unicode,d in next,fontdata.descriptions do
+ if unicode<privateoffset then
+ local name=d.name
+ if name then
+ unicodes[name]=unicode
+ end
+ end
+ end
+ fonts.mappings.addtounicode(fontdata,fontdata.filename,checklookups)
+ resources.unicodes=nil
+end
+local function unifyglyphs(fontdata,usenames)
+ local private=fontdata.private or privateoffset
+ local glyphs=fontdata.glyphs
+ local indices={}
+ local descriptions={}
+ local names=usenames and {}
+ local resources=fontdata.resources
+ local zero=glyphs[0]
+ local zerocode=zero.unicode
+ if not zerocode then
+ zerocode=private
+ zero.unicode=zerocode
+ private=private+1
+ end
+ descriptions[zerocode]=zero
+ if names then
+ local name=glyphs[0].name or f_private(zerocode)
+ indices[0]=name
+ names[name]=zerocode
+ else
+ indices[0]=zerocode
+ end
+ for index=1,#glyphs do
+ local glyph=glyphs[index]
+ local unicode=glyph.unicode
+ if not unicode then
+ unicode=private
+ if names then
+ local name=glyph.name or f_private(unicode)
+ indices[index]=name
+ names[name]=unicode
+ else
+ indices[index]=unicode
+ end
+ private=private+1
+ elseif descriptions[unicode] then
+ report("assigning private unicode %U to glyph indexed %05X (%C)",private,index,unicode)
+ unicode=private
+ if names then
+ local name=glyph.name or f_private(unicode)
+ indices[index]=name
+ names[name]=unicode
+ else
+ indices[index]=unicode
+ end
+ private=private+1
+ else
+ if names then
+ local name=glyph.name or f_unicode(unicode)
+ indices[index]=name
+ names[name]=unicode
+ else
+ indices[index]=unicode
+ end
+ end
+ descriptions[unicode]=glyph
+ end
+ for index=1,#glyphs do
+ local math=glyphs[index].math
+ if math then
+ local list=math.vparts
+ if list then
+ for i=1,#list do local l=list[i] l.glyph=indices[l.glyph] end
+ end
+ local list=math.hparts
+ if list then
+ for i=1,#list do local l=list[i] l.glyph=indices[l.glyph] end
+ end
+ local list=math.vvariants
+ if list then
+ for i=1,#list do list[i]=indices[list[i]] end
+ end
+ local list=math.hvariants
+ if list then
+ for i=1,#list do list[i]=indices[list[i]] end
+ end
+ end
+ end
+ local colorpalettes=resources.colorpalettes
+ if colorpalettes then
+ for index=1,#glyphs do
+ local colors=glyphs[index].colors
+ if colors then
+ for i=1,#colors do
+ local c=colors[i]
+ c.slot=indices[c.slot]
+ end
+ end
+ end
+ end
+ fontdata.private=private
+ fontdata.glyphs=nil
+ fontdata.names=names
+ fontdata.descriptions=descriptions
+ fontdata.hashmethod=hashmethod
+ return indices,names
+end
+local p_bogusname=(
+ (P("uni")+P("UNI")+P("Uni")+P("U")+P("u"))*S("Xx")^0*R("09","AF")^1+(P("identity")+P("Identity")+P("IDENTITY"))*R("09","AF")^1+(P("index")+P("Index")+P("INDEX"))*R("09")^1
+)*P(-1)
+local function stripredundant(fontdata)
+ local descriptions=fontdata.descriptions
+ if descriptions then
+ local n=0
+ local c=0
+ for unicode,d in next,descriptions do
+ local name=d.name
+ if name and lpegmatch(p_bogusname,name) then
+ d.name=nil
+ n=n+1
+ end
+ if d.class=="base" then
+ d.class=nil
+ c=c+1
+ end
+ end
+ if n>0 then
+ report("%s bogus names removed (verbose unicode)",n)
+ end
+ if c>0 then
+ report("%s base class tags removed (default is base)",c)
+ end
+ end
+end
+function readers.getcomponents(fontdata)
+ local resources=fontdata.resources
+ if resources then
+ local sequences=resources.sequences
+ if sequences then
+ local collected={}
+ for i=1,#sequences do
+ local sequence=sequences[i]
+ if sequence.type=="gsub_ligature" then
+ local steps=sequence.steps
+ if steps then
+ local l={}
+ local function traverse(p,k,v)
+ if k=="ligature" then
+ collected[v]={ unpack(l) }
+ else
+ insert(l,k)
+ for k,vv in next,v do
+ traverse(p,k,vv)
+ end
+ remove(l)
+ end
+ end
+ for i=1,#steps do
+ local coverage=steps[i].coverage
+ if coverage then
+ for k,v in next,coverage do
+ traverse(k,k,v)
+ end
+ end
+ end
+ end
+ end
+ end
+ if next(collected) then
+ while true do
+ local done=false
+ for k,v in next,collected do
+ for i=1,#v do
+ local vi=v[i]
+ if vi==k then
+ collected[k]=nil
+ break
+ else
+ local c=collected[vi]
+ if c then
+ done=true
+ local t={}
+ local n=i-1
+ for j=1,n do
+ t[j]=v[j]
+ end
+ for j=1,#c do
+ n=n+1
+ t[n]=c[j]
+ end
+ for j=i+1,#v do
+ n=n+1
+ t[n]=v[j]
+ end
+ collected[k]=t
+ break
+ end
+ end
+ end
+ end
+ if not done then
+ break
+ end
+ end
+ return collected
+ end
+ end
+ end
+end
+readers.unifymissing=unifymissing
+function readers.rehash(fontdata,hashmethod)
+ if not (fontdata and fontdata.glyphs) then
+ return
+ end
+ if hashmethod=="indices" then
+ fontdata.hashmethod="indices"
+ elseif hashmethod=="names" then
+ fontdata.hashmethod="names"
+ local indices=unifyglyphs(fontdata,true)
+ unifyresources(fontdata,indices)
+ copyduplicates(fontdata)
+ unifymissing(fontdata)
+ else
+ fontdata.hashmethod="unicodes"
+ local indices=unifyglyphs(fontdata)
+ unifyresources(fontdata,indices)
+ copyduplicates(fontdata)
+ unifymissing(fontdata)
+ stripredundant(fontdata)
+ end
+end
+function readers.checkhash(fontdata)
+ local hashmethod=fontdata.hashmethod
+ if hashmethod=="unicodes" then
+ fontdata.names=nil
+ elseif hashmethod=="names" and fontdata.names then
+ unifyresources(fontdata,fontdata.names)
+ copyduplicates(fontdata)
+ fontdata.hashmethod="unicodes"
+ fontdata.names=nil
+ else
+ readers.rehash(fontdata,"unicodes")
+ end
+end
+function readers.addunicodetable(fontdata)
+ local resources=fontdata.resources
+ local unicodes=resources.unicodes
+ if not unicodes then
+ local descriptions=fontdata.descriptions
+ if descriptions then
+ unicodes={}
+ resources.unicodes=unicodes
+ for u,d in next,descriptions do
+ local n=d.name
+ if n then
+ unicodes[n]=u
+ end
+ end
+ end
+ end
+end
+local concat,sort=table.concat,table.sort
+local next,type,tostring=next,type,tostring
+local criterium=1
+local threshold=0
+local trace_packing=false trackers.register("otf.packing",function(v) trace_packing=v end)
+local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end)
+local report_otf=logs.reporter("fonts","otf loading")
+local function tabstr_normal(t)
+ local s={}
+ local n=0
+ for k,v in next,t do
+ n=n+1
+ if type(v)=="table" then
+ s[n]=k..">"..tabstr_normal(v)
+ elseif v==true then
+ s[n]=k.."+"
+ elseif v then
+ s[n]=k.."="..v
+ else
+ s[n]=k.."-"
+ end
+ end
+ if n==0 then
+ return ""
+ elseif n==1 then
+ return s[1]
+ else
+ sort(s)
+ return concat(s,",")
+ end
+end
+local function tabstr_flat(t)
+ local s={}
+ local n=0
+ for k,v in next,t do
+ n=n+1
+ s[n]=k.."="..v
+ end
+ if n==0 then
+ return ""
+ elseif n==1 then
+ return s[1]
+ else
+ sort(s)
+ return concat(s,",")
+ end
+end
+local function tabstr_mixed(t)
+ local s={}
+ local n=#t
+ if n==0 then
+ return ""
+ elseif n==1 then
+ local k=t[1]
+ if k==true then
+ return "++"
+ elseif k==false then
+ return "--"
+ else
+ return tostring(k)
+ end
+ else
+ for i=1,n do
+ local k=t[i]
+ if k==true then
+ s[i]="++"
+ elseif k==false then
+ s[i]="--"
+ else
+ s[i]=k
+ end
+ end
+ return concat(s,",")
+ end
+end
+local function tabstr_boolean(t)
+ local s={}
+ local n=0
+ for k,v in next,t do
+ n=n+1
+ if v then
+ s[n]=k.."+"
+ else
+ s[n]=k.."-"
+ end
+ end
+ if n==0 then
+ return ""
+ elseif n==1 then
+ return s[1]
+ else
+ sort(s)
+ return concat(s,",")
+ end
+end
+function readers.pack(data)
+ if data then
+ local h,t,c={},{},{}
+ local hh,tt,cc={},{},{}
+ local nt,ntt=0,0
+ local function pack_normal(v)
+ local tag=tabstr_normal(v)
+ local ht=h[tag]
+ if ht then
+ c[ht]=c[ht]+1
+ return ht
+ else
+ nt=nt+1
+ t[nt]=v
+ h[tag]=nt
+ c[nt]=1
+ return nt
+ end
+ end
+ local function pack_normal_cc(v)
+ local tag=tabstr_normal(v)
+ local ht=h[tag]
+ if ht then
+ c[ht]=c[ht]+1
+ return ht
+ else
+ v[1]=0
+ nt=nt+1
+ t[nt]=v
+ h[tag]=nt
+ c[nt]=1
+ return nt
+ end
+ end
+ local function pack_flat(v)
+ local tag=tabstr_flat(v)
+ local ht=h[tag]
+ if ht then
+ c[ht]=c[ht]+1
+ return ht
+ else
+ nt=nt+1
+ t[nt]=v
+ h[tag]=nt
+ c[nt]=1
+ return nt
+ end
+ end
+ local function pack_indexed(v)
+ local tag=concat(v," ")
+ local ht=h[tag]
+ if ht then
+ c[ht]=c[ht]+1
+ return ht
+ else
+ nt=nt+1
+ t[nt]=v
+ h[tag]=nt
+ c[nt]=1
+ return nt
+ end
+ end
+ local function pack_mixed(v)
+ local tag=tabstr_mixed(v)
+ local ht=h[tag]
+ if ht then
+ c[ht]=c[ht]+1
+ return ht
+ else
+ nt=nt+1
+ t[nt]=v
+ h[tag]=nt
+ c[nt]=1
+ return nt
+ end
+ end
+ local function pack_boolean(v)
+ local tag=tabstr_boolean(v)
+ local ht=h[tag]
+ if ht then
+ c[ht]=c[ht]+1
+ return ht
+ else
+ nt=nt+1
+ t[nt]=v
+ h[tag]=nt
+ c[nt]=1
+ return nt
+ end
+ end
+ local function pack_final(v)
+ if c[v]<=criterium then
+ return t[v]
+ else
+ local hv=hh[v]
+ if hv then
+ return hv
+ else
+ ntt=ntt+1
+ tt[ntt]=t[v]
+ hh[v]=ntt
+ cc[ntt]=c[v]
+ return ntt
+ end
+ end
+ end
+ local function pack_final_cc(v)
+ if c[v]<=criterium then
+ return t[v]
+ else
+ local hv=hh[v]
+ if hv then
+ return hv
+ else
+ ntt=ntt+1
+ tt[ntt]=t[v]
+ hh[v]=ntt
+ cc[ntt]=c[v]
+ return ntt
+ end
+ end
+ end
+ local function success(stage,pass)
+ if nt==0 then
+ if trace_loading or trace_packing then
+ report_otf("pack quality: nothing to pack")
+ end
+ return false
+ elseif nt>=threshold then
+ local one,two,rest=0,0,0
+ if pass==1 then
+ for k,v in next,c do
+ if v==1 then
+ one=one+1
+ elseif v==2 then
+ two=two+1
+ else
+ rest=rest+1
+ end
+ end
+ else
+ for k,v in next,cc do
+ if v>20 then
+ rest=rest+1
+ elseif v>10 then
+ two=two+1
+ else
+ one=one+1
+ end
+ end
+ data.tables=tt
+ end
+ if trace_loading or trace_packing then
+ report_otf("pack quality: stage %s, pass %s, %s packed, 1-10:%s, 11-20:%s, rest:%s (criterium: %s)",
+ stage,pass,one+two+rest,one,two,rest,criterium)
+ end
+ return true
+ else
+ if trace_loading or trace_packing then
+ report_otf("pack quality: stage %s, pass %s, %s packed, aborting pack (threshold: %s)",
+ stage,pass,nt,threshold)
+ end
+ return false
+ end
+ end
+ local function packers(pass)
+ if pass==1 then
+ return pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc
+ else
+ return pack_final,pack_final,pack_final,pack_final,pack_final,pack_final_cc
+ end
+ end
+ local resources=data.resources
+ local sequences=resources.sequences
+ local sublookups=resources.sublookups
+ local features=resources.features
+ local palettes=resources.colorpalettes
+ local variable=resources.variabledata
+ local chardata=characters and characters.data
+ local descriptions=data.descriptions or data.glyphs
+ if not descriptions then
+ return
+ end
+ for pass=1,2 do
+ if trace_packing then
+ report_otf("start packing: stage 1, pass %s",pass)
+ end
+ local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc=packers(pass)
+ for unicode,description in next,descriptions do
+ local boundingbox=description.boundingbox
+ if boundingbox then
+ description.boundingbox=pack_indexed(boundingbox)
+ end
+ local math=description.math
+ if math then
+ local kerns=math.kerns
+ if kerns then
+ for tag,kern in next,kerns do
+ kerns[tag]=pack_normal(kern)
+ end
+ end
+ end
+ end
+ local function packthem(sequences)
+ for i=1,#sequences do
+ local sequence=sequences[i]
+ local kind=sequence.type
+ local steps=sequence.steps
+ local order=sequence.order
+ local features=sequence.features
+ local flags=sequence.flags
+ if steps then
+ for i=1,#steps do
+ local step=steps[i]
+ if kind=="gpos_pair" then
+ local c=step.coverage
+ if c then
+ if step.format=="pair" then
+ for g1,d1 in next,c do
+ for g2,d2 in next,d1 do
+ local f=d2[1] if f and f~=true then d2[1]=pack_indexed(f) end
+ local s=d2[2] if s and s~=true then d2[2]=pack_indexed(s) end
+ end
+ end
+ else
+ for g1,d1 in next,c do
+ c[g1]=pack_normal(d1)
+ end
+ end
+ end
+ elseif kind=="gpos_single" then
+ local c=step.coverage
+ if c then
+ if step.format=="single" then
+ for g1,d1 in next,c do
+ if d1 and d1~=true then
+ c[g1]=pack_indexed(d1)
+ end
+ end
+ else
+ step.coverage=pack_normal(c)
+ end
+ end
+ elseif kind=="gpos_cursive" then
+ local c=step.coverage
+ if c then
+ for g1,d1 in next,c do
+ local f=d1[2] if f then d1[2]=pack_indexed(f) end
+ local s=d1[3] if s then d1[3]=pack_indexed(s) end
+ end
+ end
+ elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" then
+ local c=step.baseclasses
+ if c then
+ for g1,d1 in next,c do
+ for g2,d2 in next,d1 do
+ d1[g2]=pack_indexed(d2)
+ end
+ end
+ end
+ local c=step.coverage
+ if c then
+ for g1,d1 in next,c do
+ d1[2]=pack_indexed(d1[2])
+ end
+ end
+ elseif kind=="gpos_mark2ligature" then
+ local c=step.baseclasses
+ if c then
+ for g1,d1 in next,c do
+ for g2,d2 in next,d1 do
+ for g3,d3 in next,d2 do
+ d2[g3]=pack_indexed(d3)
+ end
+ end
+ end
+ end
+ local c=step.coverage
+ if c then
+ for g1,d1 in next,c do
+ d1[2]=pack_indexed(d1[2])
+ end
+ end
+ end
+ local rules=step.rules
+ if rules then
+ for i=1,#rules do
+ local rule=rules[i]
+ local r=rule.before if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end
+ local r=rule.after if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end
+ local r=rule.current if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end
+ local r=rule.replacements if r then rule.replacements=pack_flat (r) end
+ end
+ end
+ end
+ end
+ if order then
+ sequence.order=pack_indexed(order)
+ end
+ if features then
+ for script,feature in next,features do
+ features[script]=pack_normal(feature)
+ end
+ end
+ if flags then
+ sequence.flags=pack_normal(flags)
+ end
+ end
+ end
+ if sequences then
+ packthem(sequences)
+ end
+ if sublookups then
+ packthem(sublookups)
+ end
+ if features then
+ for k,list in next,features do
+ for feature,spec in next,list do
+ list[feature]=pack_normal(spec)
+ end
+ end
+ end
+ if palettes then
+ for i=1,#palettes do
+ local p=palettes[i]
+ for j=1,#p do
+ p[j]=pack_indexed(p[j])
+ end
+ end
+ end
+ if variable then
+ local instances=variable.instances
+ if instances then
+ for i=1,#instances do
+ local v=instances[i].values
+ for j=1,#v do
+ v[j]=pack_normal(v[j])
+ end
+ end
+ end
+ local function packdeltas(main)
+ if main then
+ local deltas=main.deltas
+ if deltas then
+ for i=1,#deltas do
+ local di=deltas[i]
+ local d=di.deltas
+ for j=1,#d do
+ d[j]=pack_indexed(d[j])
+ end
+ di.regions=pack_indexed(di.regions)
+ end
+ end
+ local regions=main.regions
+ if regions then
+ for i=1,#regions do
+ local r=regions[i]
+ for j=1,#r do
+ r[j]=pack_normal(r[j])
+ end
+ end
+ end
+ end
+ end
+ packdeltas(variable.global)
+ packdeltas(variable.horizontal)
+ packdeltas(variable.vertical)
+ packdeltas(variable.metrics)
+ end
+ if not success(1,pass) then
+ return
+ end
+ end
+ if nt>0 then
+ for pass=1,2 do
+ if trace_packing then
+ report_otf("start packing: stage 2, pass %s",pass)
+ end
+ local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc=packers(pass)
+ for unicode,description in next,descriptions do
+ local math=description.math
+ if math then
+ local kerns=math.kerns
+ if kerns then
+ math.kerns=pack_normal(kerns)
+ end
+ end
+ end
+ local function packthem(sequences)
+ for i=1,#sequences do
+ local sequence=sequences[i]
+ local kind=sequence.type
+ local steps=sequence.steps
+ local features=sequence.features
+ if steps then
+ for i=1,#steps do
+ local step=steps[i]
+ if kind=="gpos_pair" then
+ local c=step.coverage
+ if c then
+ if step.format=="pair" then
+ for g1,d1 in next,c do
+ for g2,d2 in next,d1 do
+ d1[g2]=pack_normal(d2)
+ end
+ end
+ end
+ end
+ elseif kind=="gpos_mark2ligature" then
+ local c=step.baseclasses
+ if c then
+ for g1,d1 in next,c do
+ for g2,d2 in next,d1 do
+ d1[g2]=pack_normal(d2)
+ end
+ end
+ end
+ end
+ local rules=step.rules
+ if rules then
+ for i=1,#rules do
+ local rule=rules[i]
+ local r=rule.before if r then rule.before=pack_normal(r) end
+ local r=rule.after if r then rule.after=pack_normal(r) end
+ local r=rule.current if r then rule.current=pack_normal(r) end
+ end
+ end
+ end
+ end
+ if features then
+ sequence.features=pack_normal(features)
+ end
+ end
+ end
+ if sequences then
+ packthem(sequences)
+ end
+ if sublookups then
+ packthem(sublookups)
+ end
+ if variable then
+ local function unpackdeltas(main)
+ if main then
+ local regions=main.regions
+ if regions then
+ main.regions=pack_normal(regions)
+ end
+ end
+ end
+ unpackdeltas(variable.global)
+ unpackdeltas(variable.horizontal)
+ unpackdeltas(variable.vertical)
+ unpackdeltas(variable.metrics)
+ end
+ end
+ for pass=1,2 do
+ if trace_packing then
+ report_otf("start packing: stage 3, pass %s",pass)
+ end
+ local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc=packers(pass)
+ local function packthem(sequences)
+ for i=1,#sequences do
+ local sequence=sequences[i]
+ local kind=sequence.type
+ local steps=sequence.steps
+ local features=sequence.features
+ if steps then
+ for i=1,#steps do
+ local step=steps[i]
+ if kind=="gpos_pair" then
+ local c=step.coverage
+ if c then
+ if step.format=="pair" then
+ for g1,d1 in next,c do
+ c[g1]=pack_normal(d1)
+ end
+ end
+ end
+ elseif kind=="gpos_cursive" then
+ local c=step.coverage
+ if c then
+ for g1,d1 in next,c do
+ c[g1]=pack_normal_cc(d1)
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ if sequences then
+ packthem(sequences)
+ end
+ if sublookups then
+ packthem(sublookups)
+ end
+ end
+ end
+ end
+end
+local unpacked_mt={
+ __index=function(t,k)
+ t[k]=false
+ return k
+ end
+}
+function readers.unpack(data)
+ if data then
+ local tables=data.tables
+ if tables then
+ local resources=data.resources
+ local descriptions=data.descriptions or data.glyphs
+ local sequences=resources.sequences
+ local sublookups=resources.sublookups
+ local features=resources.features
+ local palettes=resources.colorpalettes
+ local variable=resources.variabledata
+ local unpacked={}
+ setmetatable(unpacked,unpacked_mt)
+ for unicode,description in next,descriptions do
+ local tv=tables[description.boundingbox]
+ if tv then
+ description.boundingbox=tv
+ end
+ local math=description.math
+ if math then
+ local kerns=math.kerns
+ if kerns then
+ local tm=tables[kerns]
+ if tm then
+ math.kerns=tm
+ kerns=unpacked[tm]
+ end
+ if kerns then
+ for k,kern in next,kerns do
+ local tv=tables[kern]
+ if tv then
+ kerns[k]=tv
+ end
+ end
+ end
+ end
+ end
+ end
+ local function unpackthem(sequences)
+ for i=1,#sequences do
+ local sequence=sequences[i]
+ local kind=sequence.type
+ local steps=sequence.steps
+ local order=sequence.order
+ local features=sequence.features
+ local flags=sequence.flags
+ local markclass=sequence.markclass
+ if features then
+ local tv=tables[features]
+ if tv then
+ sequence.features=tv
+ features=tv
+ end
+ for script,feature in next,features do
+ local tv=tables[feature]
+ if tv then
+ features[script]=tv
+ end
+ end
+ end
+ if steps then
+ for i=1,#steps do
+ local step=steps[i]
+ if kind=="gpos_pair" then
+ local c=step.coverage
+ if c then
+ if step.format=="pair" then
+ for g1,d1 in next,c do
+ local tv=tables[d1]
+ if tv then
+ c[g1]=tv
+ d1=tv
+ end
+ for g2,d2 in next,d1 do
+ local tv=tables[d2]
+ if tv then
+ d1[g2]=tv
+ d2=tv
+ end
+ local f=tables[d2[1]] if f then d2[1]=f end
+ local s=tables[d2[2]] if s then d2[2]=s end
+ end
+ end
+ else
+ for g1,d1 in next,c do
+ local tv=tables[d1]
+ if tv then
+ c[g1]=tv
+ end
+ end
+ end
+ end
+ elseif kind=="gpos_single" then
+ local c=step.coverage
+ if c then
+ if step.format=="single" then
+ for g1,d1 in next,c do
+ local tv=tables[d1]
+ if tv then
+ c[g1]=tv
+ end
+ end
+ else
+ local tv=tables[c]
+ if tv then
+ step.coverage=tv
+ end
+ end
+ end
+ elseif kind=="gpos_cursive" then
+ local c=step.coverage
+ if c then
+ for g1,d1 in next,c do
+ local tv=tables[d1]
+ if tv then
+ d1=tv
+ c[g1]=d1
+ end
+ local f=tables[d1[2]] if f then d1[2]=f end
+ local s=tables[d1[3]] if s then d1[3]=s end
+ end
+ end
+ elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" then
+ local c=step.baseclasses
+ if c then
+ for g1,d1 in next,c do
+ for g2,d2 in next,d1 do
+ local tv=tables[d2]
+ if tv then
+ d1[g2]=tv
+ end
+ end
+ end
+ end
+ local c=step.coverage
+ if c then
+ for g1,d1 in next,c do
+ local tv=tables[d1[2]]
+ if tv then
+ d1[2]=tv
+ end
+ end
+ end
+ elseif kind=="gpos_mark2ligature" then
+ local c=step.baseclasses
+ if c then
+ for g1,d1 in next,c do
+ for g2,d2 in next,d1 do
+ local tv=tables[d2]
+ if tv then
+ d2=tv
+ d1[g2]=d2
+ end
+ for g3,d3 in next,d2 do
+ local tv=tables[d2[g3]]
+ if tv then
+ d2[g3]=tv
+ end
+ end
+ end
+ end
+ end
+ local c=step.coverage
+ if c then
+ for g1,d1 in next,c do
+ local tv=tables[d1[2]]
+ if tv then
+ d1[2]=tv
+ end
+ end
+ end
+ end
+ local rules=step.rules
+ if rules then
+ for i=1,#rules do
+ local rule=rules[i]
+ local before=rule.before
+ if before then
+ local tv=tables[before]
+ if tv then
+ rule.before=tv
+ before=tv
+ end
+ for i=1,#before do
+ local tv=tables[before[i]]
+ if tv then
+ before[i]=tv
+ end
+ end
+ end
+ local after=rule.after
+ if after then
+ local tv=tables[after]
+ if tv then
+ rule.after=tv
+ after=tv
+ end
+ for i=1,#after do
+ local tv=tables[after[i]]
+ if tv then
+ after[i]=tv
+ end
+ end
+ end
+ local current=rule.current
+ if current then
+ local tv=tables[current]
+ if tv then
+ rule.current=tv
+ current=tv
+ end
+ for i=1,#current do
+ local tv=tables[current[i]]
+ if tv then
+ current[i]=tv
+ end
+ end
+ end
+ local replacements=rule.replacements
+ if replacements then
+ local tv=tables[replacements]
+ if tv then
+ rule.replacements=tv
+ end
+ end
+ end
+ end
+ end
+ end
+ if order then
+ local tv=tables[order]
+ if tv then
+ sequence.order=tv
+ end
+ end
+ if flags then
+ local tv=tables[flags]
+ if tv then
+ sequence.flags=tv
+ end
+ end
+ end
+ end
+ if sequences then
+ unpackthem(sequences)
+ end
+ if sublookups then
+ unpackthem(sublookups)
+ end
+ if features then
+ for k,list in next,features do
+ for feature,spec in next,list do
+ local tv=tables[spec]
+ if tv then
+ list[feature]=tv
+ end
+ end
+ end
+ end
+ if palettes then
+ for i=1,#palettes do
+ local p=palettes[i]
+ for j=1,#p do
+ local tv=tables[p[j]]
+ if tv then
+ p[j]=tv
+ end
+ end
+ end
+ end
+ if variable then
+ local instances=variable.instances
+ if instances then
+ for i=1,#instances do
+ local v=instances[i].values
+ for j=1,#v do
+ local tv=tables[v[j]]
+ if tv then
+ v[j]=tv
+ end
+ end
+ end
+ end
+ local function unpackdeltas(main)
+ if main then
+ local deltas=main.deltas
+ if deltas then
+ for i=1,#deltas do
+ local di=deltas[i]
+ local d=di.deltas
+ local r=di.regions
+ for j=1,#d do
+ local tv=tables[d[j]]
+ if tv then
+ d[j]=tv
+ end
+ end
+ local tv=di.regions
+ if tv then
+ di.regions=tv
+ end
+ end
+ end
+ local regions=main.regions
+ if regions then
+ local tv=tables[regions]
+ if tv then
+ main.regions=tv
+ regions=tv
+ end
+ for i=1,#regions do
+ local r=regions[i]
+ for j=1,#r do
+ local tv=tables[r[j]]
+ if tv then
+ r[j]=tv
+ end
+ end
+ end
+ end
+ end
+ end
+ unpackdeltas(variable.global)
+ unpackdeltas(variable.horizontal)
+ unpackdeltas(variable.vertical)
+ unpackdeltas(variable.metrics)
+ end
+ data.tables=nil
+ end
+ end
+end
+local mt={
+ __index=function(t,k)
+ if k=="height" then
+ local ht=t.boundingbox[4]
+ return ht<0 and 0 or ht
+ elseif k=="depth" then
+ local dp=-t.boundingbox[2]
+ return dp<0 and 0 or dp
+ elseif k=="width" then
+ return 0
+ elseif k=="name" then
+ return forcenotdef and ".notdef"
+ end
+ end
+}
+local function sameformat(sequence,steps,first,nofsteps,kind)
+ return true
+end
+local function mergesteps_1(lookup,strict)
+ local steps=lookup.steps
+ local nofsteps=lookup.nofsteps
+ local first=steps[1]
+ if strict then
+ local f=first.format
+ for i=2,nofsteps do
+ if steps[i].format~=f then
+ report("not merging %a steps of %a lookup %a, different formats",nofsteps,lookup.type,lookup.name)
+ return 0
+ end
+ end
+ end
+ report("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name)
+ local target=first.coverage
+ for i=2,nofsteps do
+ for k,v in next,steps[i].coverage do
+ if not target[k] then
+ target[k]=v
+ end
+ end
+ end
+ lookup.nofsteps=1
+ lookup.merged=true
+ lookup.steps={ first }
+ return nofsteps-1
+end
+local function mergesteps_2(lookup)
+ local steps=lookup.steps
+ local nofsteps=lookup.nofsteps
+ local first=steps[1]
+ if strict then
+ local f=first.format
+ for i=2,nofsteps do
+ if steps[i].format~=f then
+ report("not merging %a steps of %a lookup %a, different formats",nofsteps,lookup.type,lookup.name)
+ return 0
+ end
+ end
+ end
+ report("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name)
+ local target=first.coverage
+ for i=2,nofsteps do
+ for k,v in next,steps[i].coverage do
+ local tk=target[k]
+ if tk then
+ for kk,vv in next,v do
+ if tk[kk]==nil then
+ tk[kk]=vv
+ end
+ end
+ else
+ target[k]=v
+ end
+ end
+ end
+ lookup.nofsteps=1
+ lookup.merged=true
+ lookup.steps={ first }
+ return nofsteps-1
+end
+local function mergesteps_3(lookup,strict)
+ local steps=lookup.steps
+ local nofsteps=lookup.nofsteps
+ report("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name)
+ local coverage={}
+ for i=1,nofsteps do
+ for k,v in next,steps[i].coverage do
+ local tk=coverage[k]
+ if tk then
+ report("quitting merge due to multiple checks")
+ return nofsteps
+ else
+ coverage[k]=v
+ end
+ end
+ end
+ local first=steps[1]
+ local baseclasses={}
+ for i=1,nofsteps do
+ local offset=i*10
+ local step=steps[i]
+ for k,v in sortedhash(step.baseclasses) do
+ baseclasses[offset+k]=v
+ end
+ for k,v in next,step.coverage do
+ v[1]=offset+v[1]
+ end
+ end
+ first.baseclasses=baseclasses
+ first.coverage=coverage
+ lookup.nofsteps=1
+ lookup.merged=true
+ lookup.steps={ first }
+ return nofsteps-1
+end
+local function nested(old,new)
+ for k,v in next,old do
+ if k=="ligature" then
+ if not new.ligature then
+ new.ligature=v
+ end
+ else
+ local n=new[k]
+ if n then
+ nested(v,n)
+ else
+ new[k]=v
+ end
+ end
+ end
+end
+local function mergesteps_4(lookup)
+ local steps=lookup.steps
+ local nofsteps=lookup.nofsteps
+ local first=steps[1]
+ report("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name)
+ local target=first.coverage
+ for i=2,nofsteps do
+ for k,v in next,steps[i].coverage do
+ local tk=target[k]
+ if tk then
+ nested(v,tk)
+ else
+ target[k]=v
+ end
+ end
+ end
+ lookup.nofsteps=1
+ lookup.steps={ first }
+ return nofsteps-1
+end
+local function mergesteps_5(lookup)
+ local steps=lookup.steps
+ local nofsteps=lookup.nofsteps
+ local first=steps[1]
+ report("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name)
+ local target=first.coverage
+ local hash=nil
+ for k,v in next,target do
+ hash=v[1]
+ break
+ end
+ for i=2,nofsteps do
+ for k,v in next,steps[i].coverage do
+ local tk=target[k]
+ if tk then
+ if not tk[2] then
+ tk[2]=v[2]
+ end
+ if not tk[3] then
+ tk[3]=v[3]
+ end
+ else
+ target[k]=v
+ v[1]=hash
+ end
+ end
+ end
+ lookup.nofsteps=1
+ lookup.merged=true
+ lookup.steps={ first }
+ return nofsteps-1
+end
+local function checkkerns(lookup)
+ local steps=lookup.steps
+ local nofsteps=lookup.nofsteps
+ local kerned=0
+ for i=1,nofsteps do
+ local step=steps[i]
+ if step.format=="pair" then
+ local coverage=step.coverage
+ local kerns=true
+ for g1,d1 in next,coverage do
+ if d1==true then
+ elseif not d1 then
+ elseif d1[1]~=0 or d1[2]~=0 or d1[4]~=0 then
+ kerns=false
+ break
+ end
+ end
+ if kerns then
+ report("turning pairs of step %a of %a lookup %a into kerns",i,lookup.type,lookup.name)
+ local c={}
+ for g1,d1 in next,coverage do
+ if d1 and d1~=true then
+ c[g1]=d1[3]
+ end
+ end
+ step.coverage=c
+ step.format="move"
+ kerned=kerned+1
+ end
+ end
+ end
+ return kerned
+end
+local function checkpairs(lookup)
+ local steps=lookup.steps
+ local nofsteps=lookup.nofsteps
+ local kerned=0
+ local function onlykerns(step)
+ local coverage=step.coverage
+ for g1,d1 in next,coverage do
+ for g2,d2 in next,d1 do
+ if d2[2] then
+ return false
+ else
+ local v=d2[1]
+ if v==true then
+ elseif v and (v[1]~=0 or v[2]~=0 or v[4]~=0) then
+ return false
+ end
+ end
+ end
+ end
+ return coverage
+ end
+ for i=1,nofsteps do
+ local step=steps[i]
+ if step.format=="pair" then
+ local coverage=onlykerns(step)
+ if coverage then
+ report("turning pairs of step %a of %a lookup %a into kerns",i,lookup.type,lookup.name)
+ for g1,d1 in next,coverage do
+ local d={}
+ for g2,d2 in next,d1 do
+ local v=d2[1]
+ if v==true then
+ elseif v then
+ d[g2]=v[3]
+ end
+ end
+ coverage[g1]=d
+ end
+ step.format="move"
+ kerned=kerned+1
+ end
+ end
+ end
+ return kerned
+end
+local compact_pairs=true
+local compact_singles=true
+local merge_pairs=true
+local merge_singles=true
+local merge_substitutions=true
+local merge_alternates=true
+local merge_multiples=true
+local merge_ligatures=true
+local merge_cursives=true
+local merge_marks=true
+directives.register("otf.compact.pairs",function(v) compact_pairs=v end)
+directives.register("otf.compact.singles",function(v) compact_singles=v end)
+directives.register("otf.merge.pairs",function(v) merge_pairs=v end)
+directives.register("otf.merge.singles",function(v) merge_singles=v end)
+directives.register("otf.merge.substitutions",function(v) merge_substitutions=v end)
+directives.register("otf.merge.alternates",function(v) merge_alternates=v end)
+directives.register("otf.merge.multiples",function(v) merge_multiples=v end)
+directives.register("otf.merge.ligatures",function(v) merge_ligatures=v end)
+directives.register("otf.merge.cursives",function(v) merge_cursives=v end)
+directives.register("otf.merge.marks",function(v) merge_marks=v end)
+function readers.compact(data)
+ if not data or data.compacted then
+ return
+ else
+ data.compacted=true
+ end
+ local resources=data.resources
+ local merged=0
+ local kerned=0
+ local allsteps=0
+ local function compact(what)
+ local lookups=resources[what]
+ if lookups then
+ for i=1,#lookups do
+ local lookup=lookups[i]
+ local nofsteps=lookup.nofsteps
+ local kind=lookup.type
+ allsteps=allsteps+nofsteps
+ if nofsteps>1 then
+ local merg=merged
+ if kind=="gsub_single" then
+ if merge_substitutions then
+ merged=merged+mergesteps_1(lookup)
+ end
+ elseif kind=="gsub_alternate" then
+ if merge_alternates then
+ merged=merged+mergesteps_1(lookup)
+ end
+ elseif kind=="gsub_multiple" then
+ if merge_multiples then
+ merged=merged+mergesteps_1(lookup)
+ end
+ elseif kind=="gsub_ligature" then
+ if merge_ligatures then
+ merged=merged+mergesteps_4(lookup)
+ end
+ elseif kind=="gpos_single" then
+ if merge_singles then
+ merged=merged+mergesteps_1(lookup,true)
+ end
+ if compact_singles then
+ kerned=kerned+checkkerns(lookup)
+ end
+ elseif kind=="gpos_pair" then
+ if merge_pairs then
+ merged=merged+mergesteps_2(lookup)
+ end
+ if compact_pairs then
+ kerned=kerned+checkpairs(lookup)
+ end
+ elseif kind=="gpos_cursive" then
+ if merge_cursives then
+ merged=merged+mergesteps_5(lookup)
+ end
+ elseif kind=="gpos_mark2mark" or kind=="gpos_mark2base" or kind=="gpos_mark2ligature" then
+ if merge_marks then
+ merged=merged+mergesteps_3(lookup)
+ end
+ end
+ if merg~=merged then
+ lookup.merged=true
+ end
+ elseif nofsteps==1 then
+ local kern=kerned
+ if kind=="gpos_single" then
+ if compact_singles then
+ kerned=kerned+checkkerns(lookup)
+ end
+ elseif kind=="gpos_pair" then
+ if compact_pairs then
+ kerned=kerned+checkpairs(lookup)
+ end
+ end
+ if kern~=kerned then
+ end
+ end
+ end
+ else
+ report("no lookups in %a",what)
+ end
+ end
+ compact("sequences")
+ compact("sublookups")
+ if merged>0 then
+ report("%i steps of %i removed due to merging",merged,allsteps)
+ end
+ if kerned>0 then
+ report("%i steps of %i steps turned from pairs into kerns",kerned,allsteps)
+ end
+end
+local function mergesteps(t,k)
+ if k=="merged" then
+ local merged={}
+ for i=1,#t do
+ local step=t[i]
+ local coverage=step.coverage
+ for k in next,coverage do
+ local m=merged[k]
+ if m then
+ m[2]=i
+ else
+ merged[k]={ i,i }
+ end
+ end
+ end
+ t.merged=merged
+ return merged
+ end
+end
+local function checkmerge(sequence)
+ local steps=sequence.steps
+ if steps then
+ setmetatableindex(steps,mergesteps)
+ end
+end
+local function checkflags(sequence,resources)
+ if not sequence.skiphash then
+ local flags=sequence.flags
+ if flags then
+ local skipmark=flags[1]
+ local skipligature=flags[2]
+ local skipbase=flags[3]
+ local markclass=sequence.markclass
+ local skipsome=skipmark or skipligature or skipbase or markclass or false
+ if skipsome then
+ sequence.skiphash=setmetatableindex(function(t,k)
+ local c=resources.classes[k]
+ local v=c==skipmark
+ or (markclass and c=="mark" and not markclass[k])
+ or c==skipligature
+ or c==skipbase
+ or false
+ t[k]=v
+ return v
+ end)
+ else
+ sequence.skiphash=false
+ end
+ else
+ sequence.skiphash=false
+ end
+ end
+end
+local function checksteps(sequence)
+ local steps=sequence.steps
+ if steps then
+ for i=1,#steps do
+ steps[i].index=i
+ end
+ end
+end
+if fonts.helpers then
+ fonts.helpers.checkmerge=checkmerge
+ fonts.helpers.checkflags=checkflags
+ fonts.helpers.checksteps=checksteps
+end
+function readers.expand(data)
+ if not data or data.expanded then
+ return
+ else
+ data.expanded=true
+ end
+ local resources=data.resources
+ local sublookups=resources.sublookups
+ local sequences=resources.sequences
+ local markclasses=resources.markclasses
+ local descriptions=data.descriptions
+ if descriptions then
+ local defaultwidth=resources.defaultwidth or 0
+ local defaultheight=resources.defaultheight or 0
+ local defaultdepth=resources.defaultdepth or 0
+ local basename=trace_markwidth and file.basename(resources.filename)
+ for u,d in next,descriptions do
+ local bb=d.boundingbox
+ local wd=d.width
+ if not wd then
+ d.width=defaultwidth
+ elseif trace_markwidth and wd~=0 and d.class=="mark" then
+ report("mark %a with width %b found in %a",d.name or "<noname>",wd,basename)
+ end
+ if bb then
+ local ht=bb[4]
+ local dp=-bb[2]
+ if ht==0 or ht<0 then
+ else
+ d.height=ht
+ end
+ if dp==0 or dp<0 then
+ else
+ d.depth=dp
+ end
+ end
+ end
+ end
+ local function expandlookups(sequences)
+ if sequences then
+ for i=1,#sequences do
+ local sequence=sequences[i]
+ local steps=sequence.steps
+ if steps then
+ local nofsteps=sequence.nofsteps
+ local kind=sequence.type
+ local markclass=sequence.markclass
+ if markclass then
+ if not markclasses then
+ report_warning("missing markclasses")
+ sequence.markclass=false
+ else
+ sequence.markclass=markclasses[markclass]
+ end
+ end
+ for i=1,nofsteps do
+ local step=steps[i]
+ local baseclasses=step.baseclasses
+ if baseclasses then
+ local coverage=step.coverage
+ for k,v in next,coverage do
+ v[1]=baseclasses[v[1]]
+ end
+ elseif kind=="gpos_cursive" then
+ local coverage=step.coverage
+ for k,v in next,coverage do
+ v[1]=coverage
+ end
+ end
+ local rules=step.rules
+ if rules then
+ local rulehash={ n=0 }
+ local rulesize=0
+ local coverage={}
+ local lookuptype=sequence.type
+ local nofrules=#rules
+ step.coverage=coverage
+ for currentrule=1,nofrules do
+ local rule=rules[currentrule]
+ local current=rule.current
+ local before=rule.before
+ local after=rule.after
+ local replacements=rule.replacements or false
+ local sequence={}
+ local nofsequences=0
+ if before then
+ for n=1,#before do
+ nofsequences=nofsequences+1
+ sequence[nofsequences]=before[n]
+ end
+ end
+ local start=nofsequences+1
+ for n=1,#current do
+ nofsequences=nofsequences+1
+ sequence[nofsequences]=current[n]
+ end
+ local stop=nofsequences
+ if after then
+ for n=1,#after do
+ nofsequences=nofsequences+1
+ sequence[nofsequences]=after[n]
+ end
+ end
+ local lookups=rule.lookups or false
+ local subtype=nil
+ if lookups then
+ for i=1,#lookups do
+ local lookups=lookups[i]
+ if lookups then
+ for k,v in next,lookups do
+ local lookup=sublookups[v]
+ if lookup then
+ lookups[k]=lookup
+ if not subtype then
+ subtype=lookup.type
+ end
+ else
+ end
+ end
+ end
+ end
+ end
+ if sequence[1] then
+ sequence.n=#sequence
+ local ruledata={
+ currentrule,
+ lookuptype,
+ sequence,
+ start,
+ stop,
+ lookups,
+ replacements,
+ subtype,
+ }
+ rulesize=rulesize+1
+ rulehash[rulesize]=ruledata
+ rulehash.n=rulesize
+ if true then
+ for unic in next,sequence[start] do
+ local cu=coverage[unic]
+ if cu then
+ local n=#cu+1
+ cu[n]=ruledata
+ cu.n=n
+ else
+ coverage[unic]={ ruledata,n=1 }
+ end
+ end
+ else
+ for unic in next,sequence[start] do
+ local cu=coverage[unic]
+ if cu then
+ else
+ coverage[unic]=rulehash
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ checkmerge(sequence)
+ checkflags(sequence,resources)
+ checksteps(sequence)
+ end
+ end
+ end
+ end
+ expandlookups(sequences)
+ expandlookups(sublookups)
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-otl']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files",
+}
+local lower=string.lower
+local type,next,tonumber,tostring,unpack=type,next,tonumber,tostring,unpack
+local abs=math.abs
+local derivetable=table.derive
+local formatters=string.formatters
+local setmetatableindex=table.setmetatableindex
+local allocate=utilities.storage.allocate
+local registertracker=trackers.register
+local registerdirective=directives.register
+local starttiming=statistics.starttiming
+local stoptiming=statistics.stoptiming
+local elapsedtime=statistics.elapsedtime
+local findbinfile=resolvers.findbinfile
+local trace_loading=false registertracker("otf.loading",function(v) trace_loading=v end)
+local trace_features=false registertracker("otf.features",function(v) trace_features=v end)
+local trace_defining=false registertracker("fonts.defining",function(v) trace_defining=v end)
+local report_otf=logs.reporter("fonts","otf loading")
+local fonts=fonts
+local otf=fonts.handlers.otf
+otf.version=3.103
+otf.cache=containers.define("fonts","otl",otf.version,true)
+otf.svgcache=containers.define("fonts","svg",otf.version,true)
+otf.sbixcache=containers.define("fonts","sbix",otf.version,true)
+otf.pdfcache=containers.define("fonts","pdf",otf.version,true)
+otf.svgenabled=false
+otf.sbixenabled=false
+local otfreaders=otf.readers
+local hashes=fonts.hashes
+local definers=fonts.definers
+local readers=fonts.readers
+local constructors=fonts.constructors
+local otffeatures=constructors.features.otf
+local registerotffeature=otffeatures.register
+local otfenhancers=constructors.enhancers.otf
+local registerotfenhancer=otfenhancers.register
+local forceload=false
+local cleanup=0
+local syncspace=true
+local forcenotdef=false
+local privateoffset=fonts.constructors and fonts.constructors.privateoffset or 0xF0000
+local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes
+local wildcard="*"
+local default="dflt"
+local formats=fonts.formats
+formats.otf="opentype"
+formats.ttf="truetype"
+formats.ttc="truetype"
+registerdirective("fonts.otf.loader.cleanup",function(v) cleanup=tonumber(v) or (v and 1) or 0 end)
+registerdirective("fonts.otf.loader.force",function(v) forceload=v end)
+registerdirective("fonts.otf.loader.syncspace",function(v) syncspace=v end)
+registerdirective("fonts.otf.loader.forcenotdef",function(v) forcenotdef=v end)
+registerotfenhancer("check extra features",function() end)
+local checkmemory=utilities.lua and utilities.lua.checkmemory
+local threshold=100
+local tracememory=false
+registertracker("fonts.otf.loader.memory",function(v) tracememory=v end)
+if not checkmemory then
+ local collectgarbage=collectgarbage
+ checkmemory=function(previous,threshold)
+ local current=collectgarbage("count")
+ if previous then
+ local checked=(threshold or 64)*1024
+ if current-previous>checked then
+ collectgarbage("collect")
+ current=collectgarbage("count")
+ end
+ end
+ return current
+ end
+end
+function otf.load(filename,sub,instance)
+ local base=file.basename(file.removesuffix(filename))
+ local name=file.removesuffix(base)
+ local attr=lfs.attributes(filename)
+ local size=attr and attr.size or 0
+ local time=attr and attr.modification or 0
+ if sub=="" then
+ sub=false
+ end
+ local hash=name
+ if sub then
+ hash=hash.."-"..sub
+ end
+ if instance then
+ hash=hash.."-"..instance
+ end
+ hash=containers.cleanname(hash)
+ local data=containers.read(otf.cache,hash)
+ local reload=not data or data.size~=size or data.time~=time or data.tableversion~=otfreaders.tableversion
+ if forceload then
+ report_otf("forced reload of %a due to hard coded flag",filename)
+ reload=true
+ end
+ if reload then
+ report_otf("loading %a, hash %a",filename,hash)
+ starttiming(otfreaders)
+ data=otfreaders.loadfont(filename,sub or 1,instance)
+ if data then
+ local used=checkmemory()
+ local resources=data.resources
+ local svgshapes=resources.svgshapes
+ local sbixshapes=resources.sbixshapes
+ if cleanup==0 then
+ checkmemory(used,threshold,tracememory)
+ end
+ if svgshapes then
+ resources.svgshapes=nil
+ if otf.svgenabled then
+ local timestamp=os.date()
+ containers.write(otf.svgcache,hash,{
+ svgshapes=svgshapes,
+ timestamp=timestamp,
+ })
+ data.properties.svg={
+ hash=hash,
+ timestamp=timestamp,
+ }
+ end
+ if cleanup>1 then
+ collectgarbage("collect")
+ else
+ checkmemory(used,threshold,tracememory)
+ end
+ end
+ if sbixshapes then
+ resources.sbixshapes=nil
+ if otf.sbixenabled then
+ local timestamp=os.date()
+ containers.write(otf.sbixcache,hash,{
+ sbixshapes=sbixshapes,
+ timestamp=timestamp,
+ })
+ data.properties.sbix={
+ hash=hash,
+ timestamp=timestamp,
+ }
+ end
+ if cleanup>1 then
+ collectgarbage("collect")
+ else
+ checkmemory(used,threshold,tracememory)
+ end
+ end
+ otfreaders.compact(data)
+ if cleanup==0 then
+ checkmemory(used,threshold,tracememory)
+ end
+ otfreaders.rehash(data,"unicodes")
+ otfreaders.addunicodetable(data)
+ otfreaders.extend(data)
+ if cleanup==0 then
+ checkmemory(used,threshold,tracememory)
+ end
+ otfreaders.pack(data)
+ report_otf("loading done")
+ report_otf("saving %a in cache",filename)
+ data=containers.write(otf.cache,hash,data)
+ if cleanup>1 then
+ collectgarbage("collect")
+ else
+ checkmemory(used,threshold,tracememory)
+ end
+ stoptiming(otfreaders)
+ if elapsedtime then
+ report_otf("loading, optimizing, packing and caching time %s",elapsedtime(otfreaders))
+ end
+ if cleanup>3 then
+ collectgarbage("collect")
+ else
+ checkmemory(used,threshold,tracememory)
+ end
+ data=containers.read(otf.cache,hash)
+ if cleanup>2 then
+ collectgarbage("collect")
+ else
+ checkmemory(used,threshold,tracememory)
+ end
+ else
+ data=nil
+ report_otf("loading failed due to read error")
+ end
+ end
+ if data then
+ if trace_defining then
+ report_otf("loading from cache using hash %a",hash)
+ end
+ otfreaders.unpack(data)
+ otfreaders.expand(data)
+ otfreaders.addunicodetable(data)
+ otfenhancers.apply(data,filename,data)
+ if applyruntimefixes then
+ applyruntimefixes(filename,data)
+ end
+ data.metadata.math=data.resources.mathconstants
+ local classes=data.resources.classes
+ if not classes then
+ local descriptions=data.descriptions
+ classes=setmetatableindex(function(t,k)
+ local d=descriptions[k]
+ local v=(d and d.class or "base") or false
+ t[k]=v
+ return v
+ end)
+ data.resources.classes=classes
+ end
+ end
+ return data
+end
+function otf.setfeatures(tfmdata,features)
+ local okay=constructors.initializefeatures("otf",tfmdata,features,trace_features,report_otf)
+ if okay then
+ return constructors.collectprocessors("otf",tfmdata,features,trace_features,report_otf)
+ else
+ return {}
+ end
+end
+local function copytotfm(data,cache_id)
+ if data then
+ local metadata=data.metadata
+ local properties=derivetable(data.properties)
+ local descriptions=derivetable(data.descriptions)
+ local goodies=derivetable(data.goodies)
+ local characters={}
+ local parameters={}
+ local mathparameters={}
+ local resources=data.resources
+ local unicodes=resources.unicodes
+ local spaceunits=500
+ local spacer="space"
+ local designsize=metadata.designsize or 100
+ local minsize=metadata.minsize or designsize
+ local maxsize=metadata.maxsize or designsize
+ local mathspecs=metadata.math
+ if designsize==0 then
+ designsize=100
+ minsize=100
+ maxsize=100
+ end
+ if mathspecs then
+ for name,value in next,mathspecs do
+ mathparameters[name]=value
+ end
+ end
+ for unicode in next,data.descriptions do
+ characters[unicode]={}
+ end
+ if mathspecs then
+ for unicode,character in next,characters do
+ local d=descriptions[unicode]
+ local m=d.math
+ if m then
+ local italic=m.italic
+ local vitalic=m.vitalic
+ local variants=m.hvariants
+ local parts=m.hparts
+ if variants then
+ local c=character
+ for i=1,#variants do
+ local un=variants[i]
+ c.next=un
+ c=characters[un]
+ end
+ c.horiz_variants=parts
+ elseif parts then
+ character.horiz_variants=parts
+ italic=m.hitalic
+ end
+ local variants=m.vvariants
+ local parts=m.vparts
+ if variants then
+ local c=character
+ for i=1,#variants do
+ local un=variants[i]
+ c.next=un
+ c=characters[un]
+ end
+ c.vert_variants=parts
+ elseif parts then
+ character.vert_variants=parts
+ end
+ if italic and italic~=0 then
+ character.italic=italic
+ end
+ if vitalic and vitalic~=0 then
+ character.vert_italic=vitalic
+ end
+ local accent=m.accent
+ if accent then
+ character.accent=accent
+ end
+ local kerns=m.kerns
+ if kerns then
+ character.mathkerns=kerns
+ end
+ end
+ end
+ end
+ local filename=constructors.checkedfilename(resources)
+ local fontname=metadata.fontname
+ local fullname=metadata.fullname or fontname
+ local psname=fontname or fullname
+ local units=metadata.units or 1000
+ if units==0 then
+ units=1000
+ metadata.units=1000
+ report_otf("changing %a units to %a",0,units)
+ end
+ local monospaced=metadata.monospaced
+ local charwidth=metadata.averagewidth
+ local charxheight=metadata.xheight
+ local italicangle=metadata.italicangle
+ local hasitalics=metadata.hasitalics
+ properties.monospaced=monospaced
+ properties.hasitalics=hasitalics
+ parameters.italicangle=italicangle
+ parameters.charwidth=charwidth
+ parameters.charxheight=charxheight
+ local space=0x0020
+ local emdash=0x2014
+ if monospaced then
+ if descriptions[space] then
+ spaceunits,spacer=descriptions[space].width,"space"
+ end
+ if not spaceunits and descriptions[emdash] then
+ spaceunits,spacer=descriptions[emdash].width,"emdash"
+ end
+ if not spaceunits and charwidth then
+ spaceunits,spacer=charwidth,"charwidth"
+ end
+ else
+ if descriptions[space] then
+ spaceunits,spacer=descriptions[space].width,"space"
+ end
+ if not spaceunits and descriptions[emdash] then
+ spaceunits,spacer=descriptions[emdash].width/2,"emdash/2"
+ end
+ if not spaceunits and charwidth then
+ spaceunits,spacer=charwidth,"charwidth"
+ end
+ end
+ spaceunits=tonumber(spaceunits) or units/2
+ parameters.slant=0
+ parameters.space=spaceunits
+ parameters.space_stretch=1*units/2
+ parameters.space_shrink=1*units/3
+ parameters.x_height=2*units/5
+ parameters.quad=units
+ if spaceunits<2*units/5 then
+ end
+ if italicangle and italicangle~=0 then
+ parameters.italicangle=italicangle
+ parameters.italicfactor=math.cos(math.rad(90+italicangle))
+ parameters.slant=- math.tan(italicangle*math.pi/180)
+ end
+ if monospaced then
+ parameters.space_stretch=0
+ parameters.space_shrink=0
+ elseif syncspace then
+ parameters.space_stretch=spaceunits/2
+ parameters.space_shrink=spaceunits/3
+ end
+ parameters.extra_space=parameters.space_shrink
+ if charxheight then
+ parameters.x_height=charxheight
+ else
+ local x=0x0078
+ if x then
+ local x=descriptions[x]
+ if x then
+ parameters.x_height=x.height
+ end
+ end
+ end
+ parameters.designsize=(designsize/10)*65536
+ parameters.minsize=(minsize/10)*65536
+ parameters.maxsize=(maxsize/10)*65536
+ parameters.ascender=abs(metadata.ascender or 0)
+ parameters.descender=abs(metadata.descender or 0)
+ parameters.units=units
+ properties.space=spacer
+ properties.encodingbytes=2
+ properties.format=data.format or formats.otf
+ properties.noglyphnames=true
+ properties.filename=filename
+ properties.fontname=fontname
+ properties.fullname=fullname
+ properties.psname=psname
+ properties.name=filename or fullname
+ properties.private=properties.private or data.private or privateoffset
+ return {
+ characters=characters,
+ descriptions=descriptions,
+ parameters=parameters,
+ mathparameters=mathparameters,
+ resources=resources,
+ properties=properties,
+ goodies=goodies,
+ }
+ end
+end
+local converters={
+ woff={
+ cachename="webfonts",
+ action=otf.readers.woff2otf,
+ }
+}
+local function checkconversion(specification)
+ local filename=specification.filename
+ local converter=converters[lower(file.suffix(filename))]
+ if converter then
+ local base=file.basename(filename)
+ local name=file.removesuffix(base)
+ local attr=lfs.attributes(filename)
+ local size=attr and attr.size or 0
+ local time=attr and attr.modification or 0
+ if size>0 then
+ local cleanname=containers.cleanname(name)
+ local cachename=caches.setfirstwritablefile(cleanname,converter.cachename)
+ if not io.exists(cachename) or (time~=lfs.attributes(cachename).modification) then
+ report_otf("caching font %a in %a",filename,cachename)
+ converter.action(filename,cachename)
+ lfs.touch(cachename,time,time)
+ end
+ specification.filename=cachename
+ end
+ end
+end
+local function otftotfm(specification)
+ local cache_id=specification.hash
+ local tfmdata=containers.read(constructors.cache,cache_id)
+ if not tfmdata then
+ checkconversion(specification)
+ local name=specification.name
+ local sub=specification.sub
+ local subindex=specification.subindex
+ local filename=specification.filename
+ local features=specification.features.normal
+ local instance=specification.instance or (features and features.axis)
+ local rawdata=otf.load(filename,sub,instance)
+ if rawdata and next(rawdata) then
+ local descriptions=rawdata.descriptions
+ rawdata.lookuphash={}
+ tfmdata=copytotfm(rawdata,cache_id)
+ if tfmdata and next(tfmdata) then
+ local features=constructors.checkedfeatures("otf",features)
+ local shared=tfmdata.shared
+ if not shared then
+ shared={}
+ tfmdata.shared=shared
+ end
+ shared.rawdata=rawdata
+ shared.dynamics={}
+ tfmdata.changed={}
+ shared.features=features
+ shared.processes=otf.setfeatures(tfmdata,features)
+ end
+ end
+ containers.write(constructors.cache,cache_id,tfmdata)
+ end
+ return tfmdata
+end
+local function read_from_otf(specification)
+ local tfmdata=otftotfm(specification)
+ if tfmdata then
+ tfmdata.properties.name=specification.name
+ tfmdata.properties.sub=specification.sub
+ tfmdata=constructors.scale(tfmdata,specification)
+ local allfeatures=tfmdata.shared.features or specification.features.normal
+ constructors.applymanipulators("otf",tfmdata,allfeatures,trace_features,report_otf)
+ constructors.setname(tfmdata,specification)
+ fonts.loggers.register(tfmdata,file.suffix(specification.filename),specification)
+ end
+ return tfmdata
+end
+local function checkmathsize(tfmdata,mathsize)
+ local mathdata=tfmdata.shared.rawdata.metadata.math
+ local mathsize=tonumber(mathsize)
+ if mathdata then
+ local parameters=tfmdata.parameters
+ parameters.scriptpercentage=mathdata.ScriptPercentScaleDown
+ parameters.scriptscriptpercentage=mathdata.ScriptScriptPercentScaleDown
+ parameters.mathsize=mathsize
+ end
+end
+registerotffeature {
+ name="mathsize",
+ description="apply mathsize specified in the font",
+ initializers={
+ base=checkmathsize,
+ node=checkmathsize,
+ }
+}
+function otf.collectlookups(rawdata,kind,script,language)
+ if not kind then
+ return
+ end
+ if not script then
+ script=default
+ end
+ if not language then
+ language=default
+ end
+ local lookupcache=rawdata.lookupcache
+ if not lookupcache then
+ lookupcache={}
+ rawdata.lookupcache=lookupcache
+ end
+ local kindlookup=lookupcache[kind]
+ if not kindlookup then
+ kindlookup={}
+ lookupcache[kind]=kindlookup
+ end
+ local scriptlookup=kindlookup[script]
+ if not scriptlookup then
+ scriptlookup={}
+ kindlookup[script]=scriptlookup
+ end
+ local languagelookup=scriptlookup[language]
+ if not languagelookup then
+ local sequences=rawdata.resources.sequences
+ local featuremap={}
+ local featurelist={}
+ if sequences then
+ for s=1,#sequences do
+ local sequence=sequences[s]
+ local features=sequence.features
+ if features then
+ features=features[kind]
+ if features then
+ features=features[script] or features[wildcard]
+ if features then
+ features=features[language] or features[wildcard]
+ if features then
+ if not featuremap[sequence] then
+ featuremap[sequence]=true
+ featurelist[#featurelist+1]=sequence
+ end
+ end
+ end
+ end
+ end
+ end
+ if #featurelist==0 then
+ featuremap,featurelist=false,false
+ end
+ else
+ featuremap,featurelist=false,false
+ end
+ languagelookup={ featuremap,featurelist }
+ scriptlookup[language]=languagelookup
+ end
+ return unpack(languagelookup)
+end
+local function getgsub(tfmdata,k,kind,value)
+ local shared=tfmdata.shared
+ local rawdata=shared and shared.rawdata
+ if rawdata then
+ local sequences=rawdata.resources.sequences
+ if sequences then
+ local properties=tfmdata.properties
+ local validlookups,lookuplist=otf.collectlookups(rawdata,kind,properties.script,properties.language)
+ if validlookups then
+ for i=1,#lookuplist do
+ local lookup=lookuplist[i]
+ local steps=lookup.steps
+ local nofsteps=lookup.nofsteps
+ for i=1,nofsteps do
+ local coverage=steps[i].coverage
+ if coverage then
+ local found=coverage[k]
+ if found then
+ return found,lookup.type
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+end
+otf.getgsub=getgsub
+function otf.getsubstitution(tfmdata,k,kind,value)
+ local found,kind=getgsub(tfmdata,k,kind,value)
+ if not found then
+ elseif kind=="gsub_single" then
+ return found
+ elseif kind=="gsub_alternate" then
+ local choice=tonumber(value) or 1
+ return found[choice] or found[1] or k
+ end
+ return k
+end
+otf.getalternate=otf.getsubstitution
+function otf.getmultiple(tfmdata,k,kind)
+ local found,kind=getgsub(tfmdata,k,kind)
+ if found and kind=="gsub_multiple" then
+ return found
+ end
+ return { k }
+end
+function otf.getkern(tfmdata,left,right,kind)
+ local kerns=getgsub(tfmdata,left,kind or "kern",true)
+ if kerns then
+ local found=kerns[right]
+ local kind=type(found)
+ if kind=="table" then
+ found=found[1][3]
+ elseif kind~="number" then
+ found=false
+ end
+ if found then
+ return found*tfmdata.parameters.factor
+ end
+ end
+ return 0
+end
+local function check_otf(forced,specification,suffix)
+ local name=specification.name
+ if forced then
+ name=specification.forcedname
+ end
+ local fullname=findbinfile(name,suffix) or ""
+ if fullname=="" then
+ fullname=fonts.names.getfilename(name,suffix) or ""
+ end
+ if fullname~="" and not fonts.names.ignoredfile(fullname) then
+ specification.filename=fullname
+ return read_from_otf(specification)
+ end
+end
+local function opentypereader(specification,suffix)
+ local forced=specification.forced or ""
+ if formats[forced] then
+ return check_otf(true,specification,forced)
+ else
+ return check_otf(false,specification,suffix)
+ end
+end
+readers.opentype=opentypereader
+function readers.otf(specification) return opentypereader(specification,"otf") end
+function readers.ttf(specification) return opentypereader(specification,"ttf") end
+function readers.ttc(specification) return opentypereader(specification,"ttf") end
+function readers.woff(specification)
+ checkconversion(specification)
+ opentypereader(specification,"")
+end
+function otf.scriptandlanguage(tfmdata,attr)
+ local properties=tfmdata.properties
+ return properties.script or "dflt",properties.language or "dflt"
+end
+local function justset(coverage,unicode,replacement)
+ coverage[unicode]=replacement
+end
+otf.coverup={
+ stepkey="steps",
+ actions={
+ chainsubstitution=justset,
+ chainposition=justset,
+ substitution=justset,
+ alternate=justset,
+ multiple=justset,
+ kern=justset,
+ pair=justset,
+ single=justset,
+ ligature=function(coverage,unicode,ligature)
+ local first=ligature[1]
+ local tree=coverage[first]
+ if not tree then
+ tree={}
+ coverage[first]=tree
+ end
+ for i=2,#ligature do
+ local l=ligature[i]
+ local t=tree[l]
+ if not t then
+ t={}
+ tree[l]=t
+ end
+ tree=t
+ end
+ tree.ligature=unicode
+ end,
+ },
+ register=function(coverage,featuretype,format)
+ return {
+ format=format,
+ coverage=coverage,
+ }
+ end
+}
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-oto']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local concat,unpack=table.concat,table.unpack
+local insert,remove=table.insert,table.remove
+local format,gmatch,gsub,find,match,lower,strip=string.format,string.gmatch,string.gsub,string.find,string.match,string.lower,string.strip
+local type,next,tonumber,tostring,rawget=type,next,tonumber,tostring,rawget
+local trace_baseinit=false trackers.register("otf.baseinit",function(v) trace_baseinit=v end)
+local trace_singles=false trackers.register("otf.singles",function(v) trace_singles=v end)
+local trace_multiples=false trackers.register("otf.multiples",function(v) trace_multiples=v end)
+local trace_alternatives=false trackers.register("otf.alternatives",function(v) trace_alternatives=v end)
+local trace_ligatures=false trackers.register("otf.ligatures",function(v) trace_ligatures=v end)
+local trace_kerns=false trackers.register("otf.kerns",function(v) trace_kerns=v end)
+local trace_preparing=false trackers.register("otf.preparing",function(v) trace_preparing=v end)
+local report_prepare=logs.reporter("fonts","otf prepare")
+local fonts=fonts
+local otf=fonts.handlers.otf
+local otffeatures=otf.features
+local registerotffeature=otffeatures.register
+otf.defaultbasealternate="none"
+local getprivate=fonts.constructors.getprivate
+local wildcard="*"
+local default="dflt"
+local formatters=string.formatters
+local f_unicode=formatters["%U"]
+local f_uniname=formatters["%U (%s)"]
+local f_unilist=formatters["% t (% t)"]
+local function gref(descriptions,n)
+ if type(n)=="number" then
+ local name=descriptions[n].name
+ if name then
+ return f_uniname(n,name)
+ else
+ return f_unicode(n)
+ end
+ elseif n then
+ local num,nam,j={},{},0
+ for i=1,#n do
+ local ni=n[i]
+ if tonumber(ni) then
+ j=j+1
+ local di=descriptions[ni]
+ num[j]=f_unicode(ni)
+ nam[j]=di and di.name or "-"
+ end
+ end
+ return f_unilist(num,nam)
+ else
+ return "<error in base mode tracing>"
+ end
+end
+local function cref(feature,sequence)
+ return formatters["feature %a, type %a, chain lookup %a"](feature,sequence.type,sequence.name)
+end
+local function report_substitution(feature,sequence,descriptions,unicode,substitution)
+ if unicode==substitution then
+ report_prepare("%s: base substitution %s maps onto itself",
+ cref(feature,sequence),
+ gref(descriptions,unicode))
+ else
+ report_prepare("%s: base substitution %s => %S",
+ cref(feature,sequence),
+ gref(descriptions,unicode),
+ gref(descriptions,substitution))
+ end
+end
+local function report_alternate(feature,sequence,descriptions,unicode,replacement,value,comment)
+ if unicode==replacement then
+ report_prepare("%s: base alternate %s maps onto itself",
+ cref(feature,sequence),
+ gref(descriptions,unicode))
+ else
+ report_prepare("%s: base alternate %s => %s (%S => %S)",
+ cref(feature,sequence),
+ gref(descriptions,unicode),
+ replacement and gref(descriptions,replacement),
+ value,
+ comment)
+ end
+end
+local function report_ligature(feature,sequence,descriptions,unicode,ligature)
+ report_prepare("%s: base ligature %s => %S",
+ cref(feature,sequence),
+ gref(descriptions,ligature),
+ gref(descriptions,unicode))
+end
+local function report_kern(feature,sequence,descriptions,unicode,otherunicode,value)
+ report_prepare("%s: base kern %s + %s => %S",
+ cref(feature,sequence),
+ gref(descriptions,unicode),
+ gref(descriptions,otherunicode),
+ value)
+end
+local basehash,basehashes,applied={},1,{}
+local function registerbasehash(tfmdata)
+ local properties=tfmdata.properties
+ local hash=concat(applied," ")
+ local base=basehash[hash]
+ if not base then
+ basehashes=basehashes+1
+ base=basehashes
+ basehash[hash]=base
+ end
+ properties.basehash=base
+ properties.fullname=(properties.fullname or properties.name).."-"..base
+ applied={}
+end
+local function registerbasefeature(feature,value)
+ applied[#applied+1]=feature.."="..tostring(value)
+end
+local function makefake(tfmdata,name,present)
+ local private=getprivate(tfmdata)
+ local character={ intermediate=true,ligatures={} }
+ resources.unicodes[name]=private
+ tfmdata.characters[private]=character
+ tfmdata.descriptions[private]={ name=name }
+ present[name]=private
+ return character
+end
+local function make_1(present,tree,name)
+ for k,v in next,tree do
+ if k=="ligature" then
+ present[name]=v
+ else
+ make_1(present,v,name.."_"..k)
+ end
+ end
+end
+local function make_2(present,tfmdata,characters,tree,name,preceding,unicode,done)
+ for k,v in next,tree do
+ if k=="ligature" then
+ local character=characters[preceding]
+ if not character then
+ if trace_baseinit then
+ report_prepare("weird ligature in lookup %a, current %C, preceding %C",sequence.name,v,preceding)
+ end
+ character=makefake(tfmdata,name,present)
+ end
+ local ligatures=character.ligatures
+ if ligatures then
+ ligatures[unicode]={ char=v }
+ else
+ character.ligatures={ [unicode]={ char=v } }
+ end
+ if done then
+ local d=done[name]
+ if not d then
+ done[name]={ "dummy",v }
+ else
+ d[#d+1]=v
+ end
+ end
+ else
+ local code=present[name] or unicode
+ local name=name.."_"..k
+ make_2(present,tfmdata,characters,v,name,code,k,done)
+ end
+ end
+end
+local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplist)
+ local characters=tfmdata.characters
+ local descriptions=tfmdata.descriptions
+ local resources=tfmdata.resources
+ local changed=tfmdata.changed
+ local ligatures={}
+ local alternate=tonumber(value) or true and 1
+ local defaultalt=otf.defaultbasealternate
+ local trace_singles=trace_baseinit and trace_singles
+ local trace_alternatives=trace_baseinit and trace_alternatives
+ local trace_ligatures=trace_baseinit and trace_ligatures
+ if not changed then
+ changed={}
+ tfmdata.changed=changed
+ end
+ for i=1,#lookuplist do
+ local sequence=lookuplist[i]
+ local steps=sequence.steps
+ local kind=sequence.type
+ if kind=="gsub_single" then
+ for i=1,#steps do
+ for unicode,data in next,steps[i].coverage do
+ if unicode~=data then
+ changed[unicode]=data
+ end
+ if trace_singles then
+ report_substitution(feature,sequence,descriptions,unicode,data)
+ end
+ end
+ end
+ elseif kind=="gsub_alternate" then
+ for i=1,#steps do
+ for unicode,data in next,steps[i].coverage do
+ local replacement=data[alternate]
+ if replacement then
+ if unicode~=replacement then
+ changed[unicode]=replacement
+ end
+ if trace_alternatives then
+ report_alternate(feature,sequence,descriptions,unicode,replacement,value,"normal")
+ end
+ elseif defaultalt=="first" then
+ replacement=data[1]
+ if unicode~=replacement then
+ changed[unicode]=replacement
+ end
+ if trace_alternatives then
+ report_alternate(feature,sequence,descriptions,unicode,replacement,value,defaultalt)
+ end
+ elseif defaultalt=="last" then
+ replacement=data[#data]
+ if unicode~=replacement then
+ changed[unicode]=replacement
+ end
+ if trace_alternatives then
+ report_alternate(feature,sequence,descriptions,unicode,replacement,value,defaultalt)
+ end
+ else
+ if trace_alternatives then
+ report_alternate(feature,sequence,descriptions,unicode,replacement,value,"unknown")
+ end
+ end
+ end
+ end
+ elseif kind=="gsub_ligature" then
+ for i=1,#steps do
+ for unicode,data in next,steps[i].coverage do
+ ligatures[#ligatures+1]={ unicode,data,"" }
+ if trace_ligatures then
+ report_ligature(feature,sequence,descriptions,unicode,data)
+ end
+ end
+ end
+ end
+ end
+ local nofligatures=#ligatures
+ if nofligatures>0 then
+ local characters=tfmdata.characters
+ local present={}
+ local done=trace_baseinit and trace_ligatures and {}
+ for i=1,nofligatures do
+ local ligature=ligatures[i]
+ local unicode,tree=ligature[1],ligature[2]
+ make_1(present,tree,"ctx_"..unicode)
+ end
+ for i=1,nofligatures do
+ local ligature=ligatures[i]
+ local unicode,tree,lookupname=ligature[1],ligature[2],ligature[3]
+ make_2(present,tfmdata,characters,tree,"ctx_"..unicode,unicode,unicode,done,sequence)
+ end
+ end
+end
+local function preparepositionings(tfmdata,feature,value,validlookups,lookuplist)
+ local characters=tfmdata.characters
+ local descriptions=tfmdata.descriptions
+ local resources=tfmdata.resources
+ local properties=tfmdata.properties
+ local traceindeed=trace_baseinit and trace_kerns
+ for i=1,#lookuplist do
+ local sequence=lookuplist[i]
+ local steps=sequence.steps
+ local kind=sequence.type
+ local format=sequence.format
+ if kind=="gpos_pair" then
+ for i=1,#steps do
+ local step=steps[i]
+ local format=step.format
+ if format=="kern" or format=="move" then
+ for unicode,data in next,steps[i].coverage do
+ local character=characters[unicode]
+ local kerns=character.kerns
+ if not kerns then
+ kerns={}
+ character.kerns=kerns
+ end
+ if traceindeed then
+ for otherunicode,kern in next,data do
+ if not kerns[otherunicode] and kern~=0 then
+ kerns[otherunicode]=kern
+ report_kern(feature,sequence,descriptions,unicode,otherunicode,kern)
+ end
+ end
+ else
+ for otherunicode,kern in next,data do
+ if not kerns[otherunicode] and kern~=0 then
+ kerns[otherunicode]=kern
+ end
+ end
+ end
+ end
+ else
+ for unicode,data in next,steps[i].coverage do
+ local character=characters[unicode]
+ local kerns=character.kerns
+ for otherunicode,kern in next,data do
+ local other=kern[2]
+ if other==true or (not other and not (kerns and kerns[otherunicode])) then
+ local kern=kern[1]
+ if kern==true then
+ elseif kern[1]~=0 or kern[2]~=0 or kern[4]~=0 then
+ else
+ kern=kern[3]
+ if kern~=0 then
+ if kerns then
+ kerns[otherunicode]=kern
+ else
+ kerns={ [otherunicode]=kern }
+ character.kerns=kerns
+ end
+ if traceindeed then
+ report_kern(feature,sequence,descriptions,unicode,otherunicode,kern)
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+end
+local function initializehashes(tfmdata)
+end
+local function checkmathreplacements(tfmdata,fullname,fixitalics)
+ if tfmdata.mathparameters then
+ local characters=tfmdata.characters
+ local changed=tfmdata.changed
+ if next(changed) then
+ if trace_preparing or trace_baseinit then
+ report_prepare("checking math replacements for %a",fullname)
+ end
+ for unicode,replacement in next,changed do
+ local u=characters[unicode]
+ local r=characters[replacement]
+ local n=u.next
+ local v=u.vert_variants
+ local h=u.horiz_variants
+ if fixitalics then
+ local ui=u.italic
+ if ui and not r.italic then
+ if trace_preparing then
+ report_prepare("using %i units of italic correction from %C for %U",ui,unicode,replacement)
+ end
+ r.italic=ui
+ end
+ end
+ if n and not r.next then
+ if trace_preparing then
+ report_prepare("forcing %s for %C substituted by %U","incremental step",unicode,replacement)
+ end
+ r.next=n
+ end
+ if v and not r.vert_variants then
+ if trace_preparing then
+ report_prepare("forcing %s for %C substituted by %U","vertical variants",unicode,replacement)
+ end
+ r.vert_variants=v
+ end
+ if h and not r.horiz_variants then
+ if trace_preparing then
+ report_prepare("forcing %s for %C substituted by %U","horizontal variants",unicode,replacement)
+ end
+ r.horiz_variants=h
+ end
+ end
+ end
+ end
+end
+local function featuresinitializer(tfmdata,value)
+ if true then
+ local starttime=trace_preparing and os.clock()
+ local features=tfmdata.shared.features
+ local fullname=tfmdata.properties.fullname or "?"
+ if features then
+ initializehashes(tfmdata)
+ local collectlookups=otf.collectlookups
+ local rawdata=tfmdata.shared.rawdata
+ local properties=tfmdata.properties
+ local script=properties.script
+ local language=properties.language
+ local rawresources=rawdata.resources
+ local rawfeatures=rawresources and rawresources.features
+ local basesubstitutions=rawfeatures and rawfeatures.gsub
+ local basepositionings=rawfeatures and rawfeatures.gpos
+ local substitutionsdone=false
+ local positioningsdone=false
+ if basesubstitutions or basepositionings then
+ local sequences=tfmdata.resources.sequences
+ for s=1,#sequences do
+ local sequence=sequences[s]
+ local sfeatures=sequence.features
+ if sfeatures then
+ local order=sequence.order
+ if order then
+ for i=1,#order do
+ local feature=order[i]
+ local value=features[feature]
+ if value then
+ local validlookups,lookuplist=collectlookups(rawdata,feature,script,language)
+ if not validlookups then
+ elseif basesubstitutions and basesubstitutions[feature] then
+ if trace_preparing then
+ report_prepare("filtering base %s feature %a for %a with value %a","sub",feature,fullname,value)
+ end
+ preparesubstitutions(tfmdata,feature,value,validlookups,lookuplist)
+ registerbasefeature(feature,value)
+ substitutionsdone=true
+ elseif basepositionings and basepositionings[feature] then
+ if trace_preparing then
+ report_prepare("filtering base %a feature %a for %a with value %a","pos",feature,fullname,value)
+ end
+ preparepositionings(tfmdata,feature,value,validlookups,lookuplist)
+ registerbasefeature(feature,value)
+ positioningsdone=true
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ if substitutionsdone then
+ checkmathreplacements(tfmdata,fullname,features.fixitalics)
+ end
+ registerbasehash(tfmdata)
+ end
+ if trace_preparing then
+ report_prepare("preparation time is %0.3f seconds for %a",os.clock()-starttime,fullname)
+ end
+ end
+end
+registerotffeature {
+ name="features",
+ description="features",
+ default=true,
+ initializers={
+ base=featuresinitializer,
+ }
+}
+otf.basemodeinitializer=featuresinitializer
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-otj']={
+ version=1.001,
+ comment="companion to font-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files",
+}
+if not nodes.properties then return end
+local next,rawget,tonumber=next,rawget,tonumber
+local fastcopy=table.fastcopy
+local registertracker=trackers.register
+local registerdirective=directives.register
+local trace_injections=false registertracker("fonts.injections",function(v) trace_injections=v end)
+local trace_marks=false registertracker("fonts.injections.marks",function(v) trace_marks=v end)
+local trace_cursive=false registertracker("fonts.injections.cursive",function(v) trace_cursive=v end)
+local trace_spaces=false registertracker("fonts.injections.spaces",function(v) trace_spaces=v end)
+local report_injections=logs.reporter("fonts","injections")
+local report_spaces=logs.reporter("fonts","spaces")
+local attributes,nodes,node=attributes,nodes,node
+fonts=fonts
+local hashes=fonts.hashes
+local fontdata=hashes.identifiers
+local fontmarks=hashes.marks
+nodes.injections=nodes.injections or {}
+local injections=nodes.injections
+local tracers=nodes.tracers
+local setcolor=tracers and tracers.colors.set
+local resetcolor=tracers and tracers.colors.reset
+local nodecodes=nodes.nodecodes
+local glyph_code=nodecodes.glyph
+local disc_code=nodecodes.disc
+local kern_code=nodecodes.kern
+local glue_code=nodecodes.glue
+local nuts=nodes.nuts
+local nodepool=nuts.pool
+local tonode=nuts.tonode
+local tonut=nuts.tonut
+local setfield=nuts.setfield
+local getnext=nuts.getnext
+local getprev=nuts.getprev
+local getid=nuts.getid
+local getfont=nuts.getfont
+local getchar=nuts.getchar
+local getoffsets=nuts.getoffsets
+local getboth=nuts.getboth
+local getdisc=nuts.getdisc
+local setdisc=nuts.setdisc
+local setoffsets=nuts.setoffsets
+local ischar=nuts.is_char
+local getkern=nuts.getkern
+local setkern=nuts.setkern
+local setlink=nuts.setlink
+local setwidth=nuts.setwidth
+local getwidth=nuts.getwidth
+local nextchar=nuts.traversers.char
+local nextglue=nuts.traversers.glue
+local insert_node_before=nuts.insert_before
+local insert_node_after=nuts.insert_after
+local properties=nodes.properties.data
+local fontkern=nuts.pool and nuts.pool.fontkern
+local italickern=nuts.pool and nuts.pool.italickern
+local useitalickerns=false
+directives.register("fonts.injections.useitalics",function(v)
+ if v then
+ report_injections("using italics for space kerns (tracing only)")
+ end
+ useitalickerns=v
+end)
+do if not fontkern then
+ local thekern=nuts.new("kern",0)
+ local setkern=nuts.setkern
+ local copy_node=nuts.copy_node
+ fontkern=function(k)
+ local n=copy_node(thekern)
+ setkern(n,k)
+ return n
+ end
+end end
+do if not italickern then
+ local thekern=nuts.new("kern",3)
+ local setkern=nuts.setkern
+ local copy_node=nuts.copy_node
+ italickern=function(k)
+ local n=copy_node(thekern)
+ setkern(n,k)
+ return n
+ end
+end end
+function injections.installnewkern() end
+local nofregisteredkerns=0
+local nofregisteredpositions=0
+local nofregisteredmarks=0
+local nofregisteredcursives=0
+local keepregisteredcounts=false
+function injections.keepcounts()
+ keepregisteredcounts=true
+end
+function injections.resetcounts()
+ nofregisteredkerns=0
+ nofregisteredpositions=0
+ nofregisteredmarks=0
+ nofregisteredcursives=0
+ keepregisteredcounts=false
+end
+function injections.reset(n)
+ local p=rawget(properties,n)
+ if p then
+ p.injections=false
+ else
+ properties[n]=false
+ end
+end
+function injections.copy(target,source)
+ local sp=rawget(properties,source)
+ if sp then
+ local tp=rawget(properties,target)
+ local si=sp.injections
+ if si then
+ si=fastcopy(si)
+ if tp then
+ tp.injections=si
+ else
+ properties[target]={
+ injections=si,
+ }
+ end
+ elseif tp then
+ tp.injections=false
+ else
+ properties[target]={ injections={} }
+ end
+ else
+ local tp=rawget(properties,target)
+ if tp then
+ tp.injections=false
+ else
+ properties[target]=false
+ end
+ end
+end
+function injections.setligaindex(n,index)
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections
+ if i then
+ i.ligaindex=index
+ else
+ p.injections={
+ ligaindex=index
+ }
+ end
+ else
+ properties[n]={
+ injections={
+ ligaindex=index
+ }
+ }
+ end
+end
+function injections.getligaindex(n,default)
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections
+ if i then
+ return i.ligaindex or default
+ end
+ end
+ return default
+end
+function injections.setcursive(start,nxt,factor,rlmode,exit,entry,tfmstart,tfmnext,r2lflag)
+ local dx=factor*(exit[1]-entry[1])
+ local dy=-factor*(exit[2]-entry[2])
+ local ws=tfmstart.width
+ local wn=tfmnext.width
+ nofregisteredcursives=nofregisteredcursives+1
+ if rlmode<0 then
+ dx=-(dx+wn)
+ else
+ dx=dx-ws
+ end
+ if dx==0 then
+ dx=0
+ end
+ local p=rawget(properties,start)
+ if p then
+ local i=p.injections
+ if i then
+ i.cursiveanchor=true
+ else
+ p.injections={
+ cursiveanchor=true,
+ }
+ end
+ else
+ properties[start]={
+ injections={
+ cursiveanchor=true,
+ },
+ }
+ end
+ local p=rawget(properties,nxt)
+ if p then
+ local i=p.injections
+ if i then
+ i.cursivex=dx
+ i.cursivey=dy
+ else
+ p.injections={
+ cursivex=dx,
+ cursivey=dy,
+ }
+ end
+ else
+ properties[nxt]={
+ injections={
+ cursivex=dx,
+ cursivey=dy,
+ },
+ }
+ end
+ return dx,dy,nofregisteredcursives
+end
+function injections.setposition(kind,current,factor,rlmode,spec,injection)
+ local x=factor*(spec[1] or 0)
+ local y=factor*(spec[2] or 0)
+ local w=factor*(spec[3] or 0)
+ local h=factor*(spec[4] or 0)
+ if x~=0 or w~=0 or y~=0 or h~=0 then
+ local yoffset=y-h
+ local leftkern=x
+ local rightkern=w-x
+ if leftkern~=0 or rightkern~=0 or yoffset~=0 then
+ nofregisteredpositions=nofregisteredpositions+1
+ if rlmode and rlmode<0 then
+ leftkern,rightkern=rightkern,leftkern
+ end
+ if not injection then
+ injection="injections"
+ end
+ local p=rawget(properties,current)
+ if p then
+ local i=p[injection]
+ if i then
+ if leftkern~=0 then
+ i.leftkern=(i.leftkern or 0)+leftkern
+ end
+ if rightkern~=0 then
+ i.rightkern=(i.rightkern or 0)+rightkern
+ end
+ if yoffset~=0 then
+ i.yoffset=(i.yoffset or 0)+yoffset
+ end
+ elseif leftkern~=0 or rightkern~=0 then
+ p[injection]={
+ leftkern=leftkern,
+ rightkern=rightkern,
+ yoffset=yoffset,
+ }
+ else
+ p[injection]={
+ yoffset=yoffset,
+ }
+ end
+ elseif leftkern~=0 or rightkern~=0 then
+ properties[current]={
+ [injection]={
+ leftkern=leftkern,
+ rightkern=rightkern,
+ yoffset=yoffset,
+ },
+ }
+ else
+ properties[current]={
+ [injection]={
+ yoffset=yoffset,
+ },
+ }
+ end
+ return x,y,w,h,nofregisteredpositions
+ end
+ end
+ return x,y,w,h
+end
+function injections.setkern(current,factor,rlmode,x,injection)
+ local dx=factor*x
+ if dx~=0 then
+ nofregisteredkerns=nofregisteredkerns+1
+ local p=rawget(properties,current)
+ if not injection then
+ injection="injections"
+ end
+ if p then
+ local i=p[injection]
+ if i then
+ i.leftkern=dx+(i.leftkern or 0)
+ else
+ p[injection]={
+ leftkern=dx,
+ }
+ end
+ else
+ properties[current]={
+ [injection]={
+ leftkern=dx,
+ },
+ }
+ end
+ return dx,nofregisteredkerns
+ else
+ return 0,0
+ end
+end
+function injections.setmove(current,factor,rlmode,x,injection)
+ local dx=factor*x
+ if dx~=0 then
+ nofregisteredkerns=nofregisteredkerns+1
+ local p=rawget(properties,current)
+ if not injection then
+ injection="injections"
+ end
+ if rlmode and rlmode<0 then
+ if p then
+ local i=p[injection]
+ if i then
+ i.rightkern=dx+(i.rightkern or 0)
+ else
+ p[injection]={
+ rightkern=dx,
+ }
+ end
+ else
+ properties[current]={
+ [injection]={
+ rightkern=dx,
+ },
+ }
+ end
+ else
+ if p then
+ local i=p[injection]
+ if i then
+ i.leftkern=dx+(i.leftkern or 0)
+ else
+ p[injection]={
+ leftkern=dx,
+ }
+ end
+ else
+ properties[current]={
+ [injection]={
+ leftkern=dx,
+ },
+ }
+ end
+ end
+ return dx,nofregisteredkerns
+ else
+ return 0,0
+ end
+end
+function injections.setmark(start,base,factor,rlmode,ba,ma,tfmbase,mkmk,checkmark)
+ local dx,dy=factor*(ba[1]-ma[1]),factor*(ba[2]-ma[2])
+ nofregisteredmarks=nofregisteredmarks+1
+ if rlmode>=0 then
+ dx=tfmbase.width-dx
+ end
+ local p=rawget(properties,start)
+ if p then
+ local i=p.injections
+ if i then
+ if i.markmark then
+ else
+ if dx~=0 then
+ i.markx=dx
+ end
+ if y~=0 then
+ i.marky=dy
+ end
+ if rlmode then
+ i.markdir=rlmode
+ end
+ i.markbase=nofregisteredmarks
+ i.markbasenode=base
+ i.markmark=mkmk
+ i.checkmark=checkmark
+ end
+ else
+ p.injections={
+ markx=dx,
+ marky=dy,
+ markdir=rlmode or 0,
+ markbase=nofregisteredmarks,
+ markbasenode=base,
+ markmark=mkmk,
+ checkmark=checkmark,
+ }
+ end
+ else
+ properties[start]={
+ injections={
+ markx=dx,
+ marky=dy,
+ markdir=rlmode or 0,
+ markbase=nofregisteredmarks,
+ markbasenode=base,
+ markmark=mkmk,
+ checkmark=checkmark,
+ },
+ }
+ end
+ return dx,dy,nofregisteredmarks
+end
+local function dir(n)
+ return (n and n<0 and "r-to-l") or (n and n>0 and "l-to-r") or "unset"
+end
+local function showchar(n,nested)
+ local char=getchar(n)
+ report_injections("%wfont %s, char %U, glyph %c",nested and 2 or 0,getfont(n),char,char)
+end
+local function show(n,what,nested,symbol)
+ if n then
+ local p=rawget(properties,n)
+ if p then
+ local i=p[what]
+ if i then
+ local leftkern=i.leftkern or 0
+ local rightkern=i.rightkern or 0
+ local yoffset=i.yoffset or 0
+ local markx=i.markx or 0
+ local marky=i.marky or 0
+ local markdir=i.markdir or 0
+ local markbase=i.markbase or 0
+ local cursivex=i.cursivex or 0
+ local cursivey=i.cursivey or 0
+ local ligaindex=i.ligaindex or 0
+ local cursbase=i.cursiveanchor
+ local margin=nested and 4 or 2
+ if rightkern~=0 or yoffset~=0 then
+ report_injections("%w%s pair: lx %p, rx %p, dy %p",margin,symbol,leftkern,rightkern,yoffset)
+ elseif leftkern~=0 then
+ report_injections("%w%s kern: dx %p",margin,symbol,leftkern)
+ end
+ if markx~=0 or marky~=0 or markbase~=0 then
+ report_injections("%w%s mark: dx %p, dy %p, dir %s, base %s",margin,symbol,markx,marky,markdir,markbase~=0 and "yes" or "no")
+ end
+ if cursivex~=0 or cursivey~=0 then
+ if cursbase then
+ report_injections("%w%s curs: base dx %p, dy %p",margin,symbol,cursivex,cursivey)
+ else
+ report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey)
+ end
+ elseif cursbase then
+ report_injections("%w%s curs: base",margin,symbol)
+ end
+ if ligaindex~=0 then
+ report_injections("%w%s liga: index %i",margin,symbol,ligaindex)
+ end
+ end
+ end
+ end
+end
+local function showsub(n,what,where)
+ report_injections("begin subrun: %s",where)
+ for n in nextchar,n do
+ showchar(n,where)
+ show(n,what,where," ")
+ end
+ report_injections("end subrun")
+end
+local function trace(head,where)
+ report_injections()
+ report_injections("begin run %s: %s kerns, %s positions, %s marks and %s cursives registered",
+ where or "",nofregisteredkerns,nofregisteredpositions,nofregisteredmarks,nofregisteredcursives)
+ local n=head
+ while n do
+ local id=getid(n)
+ if id==glyph_code then
+ showchar(n)
+ show(n,"injections",false," ")
+ show(n,"preinjections",false,"<")
+ show(n,"postinjections",false,">")
+ show(n,"replaceinjections",false,"=")
+ show(n,"emptyinjections",false,"*")
+ elseif id==disc_code then
+ local pre,post,replace=getdisc(n)
+ if pre then
+ showsub(pre,"preinjections","pre")
+ end
+ if post then
+ showsub(post,"postinjections","post")
+ end
+ if replace then
+ showsub(replace,"replaceinjections","replace")
+ end
+ show(n,"emptyinjections",false,"*")
+ end
+ n=getnext(n)
+ end
+ report_injections("end run")
+end
+local function show_result(head)
+ local current=head
+ local skipping=false
+ while current do
+ local id=getid(current)
+ if id==glyph_code then
+ local w=getwidth(current)
+ local x,y=getoffsets(current)
+ report_injections("char: %C, width %p, xoffset %p, yoffset %p",getchar(current),w,x,y)
+ skipping=false
+ elseif id==kern_code then
+ report_injections("kern: %p",getkern(current))
+ skipping=false
+ elseif not skipping then
+ report_injections()
+ skipping=true
+ end
+ current=getnext(current)
+ end
+ report_injections()
+end
+local function inject_kerns_only(head,where)
+ if trace_injections then
+ trace(head,"kerns")
+ end
+ local current=head
+ local prev=nil
+ local next=nil
+ local prevdisc=nil
+ local pre=nil
+ local post=nil
+ local replace=nil
+ local pretail=nil
+ local posttail=nil
+ local replacetail=nil
+ while current do
+ local next=getnext(current)
+ local char,id=ischar(current)
+ if char then
+ local p=rawget(properties,current)
+ if p then
+ local i=p.injections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ head=insert_node_before(head,current,fontkern(leftkern))
+ end
+ end
+ if prevdisc then
+ local done=false
+ if post then
+ local i=p.postinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ setlink(posttail,fontkern(leftkern))
+ done=true
+ end
+ end
+ end
+ if replace then
+ local i=p.replaceinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ setlink(replacetail,fontkern(leftkern))
+ done=true
+ end
+ end
+ else
+ local i=p.emptyinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ setfield(prev,"replace",fontkern(leftkern))
+ end
+ end
+ end
+ if done then
+ setdisc(prevdisc,pre,post,replace)
+ end
+ end
+ end
+ prevdisc=nil
+ elseif char==false then
+ prevdisc=nil
+ elseif id==disc_code then
+ pre,post,replace,pretail,posttail,replacetail=getdisc(current,true)
+ local done=false
+ if pre then
+ for n in nextchar,pre do
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections or p.preinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ pre=insert_node_before(pre,n,fontkern(leftkern))
+ done=true
+ end
+ end
+ end
+ end
+ end
+ if post then
+ for n in nextchar,post do
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections or p.postinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ post=insert_node_before(post,n,fontkern(leftkern))
+ done=true
+ end
+ end
+ end
+ end
+ end
+ if replace then
+ for n in nextchar,replace do
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections or p.replaceinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ replace=insert_node_before(replace,n,fontkern(leftkern))
+ done=true
+ end
+ end
+ end
+ end
+ end
+ if done then
+ setdisc(current,pre,post,replace)
+ end
+ prevdisc=current
+ else
+ prevdisc=nil
+ end
+ prev=current
+ current=next
+ end
+ if keepregisteredcounts then
+ keepregisteredcounts=false
+ else
+ nofregisteredkerns=0
+ end
+ if trace_injections then
+ show_result(head)
+ end
+ return head
+end
+local function inject_positions_only(head,where)
+ if trace_injections then
+ trace(head,"positions")
+ end
+ local current=head
+ local prev=nil
+ local next=nil
+ local prevdisc=nil
+ local prevglyph=nil
+ local pre=nil
+ local post=nil
+ local replace=nil
+ local pretail=nil
+ local posttail=nil
+ local replacetail=nil
+ while current do
+ local next=getnext(current)
+ local char,id=ischar(current)
+ if char then
+ local p=rawget(properties,current)
+ if p then
+ local i=p.injections
+ if i then
+ local yoffset=i.yoffset
+ if yoffset and yoffset~=0 then
+ setoffsets(current,false,yoffset)
+ end
+ local leftkern=i.leftkern
+ local rightkern=i.rightkern
+ if leftkern and leftkern~=0 then
+ if rightkern and leftkern==-rightkern then
+ setoffsets(current,leftkern,false)
+ rightkern=0
+ else
+ head=insert_node_before(head,current,fontkern(leftkern))
+ end
+ end
+ if rightkern and rightkern~=0 then
+ insert_node_after(head,current,fontkern(rightkern))
+ end
+ else
+ local i=p.emptyinjections
+ if i then
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ if next and getid(next)==disc_code then
+ if replace then
+ else
+ setfield(next,"replace",fontkern(rightkern))
+ end
+ end
+ end
+ end
+ end
+ if prevdisc then
+ local done=false
+ if post then
+ local i=p.postinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ setlink(posttail,fontkern(leftkern))
+ done=true
+ end
+ end
+ end
+ if replace then
+ local i=p.replaceinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ setlink(replacetail,fontkern(leftkern))
+ done=true
+ end
+ end
+ else
+ local i=p.emptyinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ setfield(prev,"replace",fontkern(leftkern))
+ end
+ end
+ end
+ if done then
+ setdisc(prevdisc,pre,post,replace)
+ end
+ end
+ end
+ prevdisc=nil
+ prevglyph=current
+ elseif char==false then
+ prevdisc=nil
+ prevglyph=current
+ elseif id==disc_code then
+ pre,post,replace,pretail,posttail,replacetail=getdisc(current,true)
+ local done=false
+ if pre then
+ for n in nextchar,pre do
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections or p.preinjections
+ if i then
+ local yoffset=i.yoffset
+ if yoffset and yoffset~=0 then
+ setoffsets(n,false,yoffset)
+ end
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ pre=insert_node_before(pre,n,fontkern(leftkern))
+ done=true
+ end
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ insert_node_after(pre,n,fontkern(rightkern))
+ done=true
+ end
+ end
+ end
+ end
+ end
+ if post then
+ for n in nextchar,post do
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections or p.postinjections
+ if i then
+ local yoffset=i.yoffset
+ if yoffset and yoffset~=0 then
+ setoffsets(n,false,yoffset)
+ end
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ post=insert_node_before(post,n,fontkern(leftkern))
+ done=true
+ end
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ insert_node_after(post,n,fontkern(rightkern))
+ done=true
+ end
+ end
+ end
+ end
+ end
+ if replace then
+ for n in nextchar,replace do
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections or p.replaceinjections
+ if i then
+ local yoffset=i.yoffset
+ if yoffset and yoffset~=0 then
+ setoffsets(n,false,yoffset)
+ end
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ replace=insert_node_before(replace,n,fontkern(leftkern))
+ done=true
+ end
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ insert_node_after(replace,n,fontkern(rightkern))
+ done=true
+ end
+ end
+ end
+ end
+ end
+ if prevglyph then
+ if pre then
+ local p=rawget(properties,prevglyph)
+ if p then
+ local i=p.preinjections
+ if i then
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ pre=insert_node_before(pre,pre,fontkern(rightkern))
+ done=true
+ end
+ end
+ end
+ end
+ if replace then
+ local p=rawget(properties,prevglyph)
+ if p then
+ local i=p.replaceinjections
+ if i then
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ replace=insert_node_before(replace,replace,fontkern(rightkern))
+ done=true
+ end
+ end
+ end
+ end
+ end
+ if done then
+ setdisc(current,pre,post,replace)
+ end
+ prevglyph=nil
+ prevdisc=current
+ else
+ prevglyph=nil
+ prevdisc=nil
+ end
+ prev=current
+ current=next
+ end
+ if keepregisteredcounts then
+ keepregisteredcounts=false
+ else
+ nofregisteredpositions=0
+ end
+ if trace_injections then
+ show_result(head)
+ end
+ return head
+end
+local function showoffset(n,flag)
+ local x,y=getoffsets(n)
+ if x~=0 or y~=0 then
+ setcolor(n,"darkgray")
+ end
+end
+local function inject_everything(head,where)
+ if trace_injections then
+ trace(head,"everything")
+ end
+ local hascursives=nofregisteredcursives>0
+ local hasmarks=nofregisteredmarks>0
+ local current=head
+ local last=nil
+ local prev=nil
+ local next=nil
+ local prevdisc=nil
+ local prevglyph=nil
+ local pre=nil
+ local post=nil
+ local replace=nil
+ local pretail=nil
+ local posttail=nil
+ local replacetail=nil
+ local cursiveanchor=nil
+ local minc=0
+ local maxc=0
+ local glyphs={}
+ local marks={}
+ local nofmarks=0
+ local function processmark(p,n,pn)
+ local px,py=getoffsets(p)
+ local nx,ny=getoffsets(n)
+ local ox=0
+ local rightkern=nil
+ local pp=rawget(properties,p)
+ if pp then
+ pp=pp.injections
+ if pp then
+ rightkern=pp.rightkern
+ end
+ end
+ local markdir=pn.markdir
+ if rightkern then
+ ox=px-(pn.markx or 0)-rightkern
+ if markdir and markdir<0 then
+ if not pn.markmark then
+ ox=ox+(pn.leftkern or 0)
+ end
+ else
+ if false then
+ local leftkern=pp.leftkern
+ if leftkern then
+ ox=ox-leftkern
+ end
+ end
+ end
+ else
+ ox=px-(pn.markx or 0)
+ if markdir and markdir<0 then
+ if not pn.markmark then
+ local leftkern=pn.leftkern
+ if leftkern then
+ ox=ox+leftkern
+ end
+ end
+ end
+ if pn.checkmark then
+ local wn=getwidth(n)
+ if wn and wn~=0 then
+ wn=wn/2
+ if trace_injections then
+ report_injections("correcting non zero width mark %C",getchar(n))
+ end
+ insert_node_before(n,n,fontkern(-wn))
+ insert_node_after(n,n,fontkern(-wn))
+ end
+ end
+ end
+ local oy=ny+py+(pn.marky or 0)
+ if not pn.markmark then
+ local yoffset=pn.yoffset
+ if yoffset then
+ oy=oy+yoffset
+ end
+ end
+ setoffsets(n,ox,oy)
+ if trace_marks then
+ showoffset(n,true)
+ end
+ end
+ while current do
+ local next=getnext(current)
+ local char,id=ischar(current)
+ if char then
+ local p=rawget(properties,current)
+ if p then
+ local i=p.injections
+ if i then
+ local pm=i.markbasenode
+ if pm then
+ nofmarks=nofmarks+1
+ marks[nofmarks]=current
+ else
+ local yoffset=i.yoffset
+ if yoffset and yoffset~=0 then
+ setoffsets(current,false,yoffset)
+ end
+ if hascursives then
+ local cursivex=i.cursivex
+ if cursivex then
+ if cursiveanchor then
+ if cursivex~=0 then
+ i.leftkern=(i.leftkern or 0)+cursivex
+ end
+ if maxc==0 then
+ minc=1
+ maxc=1
+ glyphs[1]=cursiveanchor
+ else
+ maxc=maxc+1
+ glyphs[maxc]=cursiveanchor
+ end
+ properties[cursiveanchor].cursivedy=i.cursivey
+ last=current
+ else
+ maxc=0
+ end
+ elseif maxc>0 then
+ local nx,ny=getoffsets(current)
+ for i=maxc,minc,-1 do
+ local ti=glyphs[i]
+ ny=ny+properties[ti].cursivedy
+ setoffsets(ti,false,ny)
+ if trace_cursive then
+ showoffset(ti)
+ end
+ end
+ maxc=0
+ cursiveanchor=nil
+ end
+ if i.cursiveanchor then
+ cursiveanchor=current
+ else
+ if maxc>0 then
+ local nx,ny=getoffsets(current)
+ for i=maxc,minc,-1 do
+ local ti=glyphs[i]
+ ny=ny+properties[ti].cursivedy
+ setoffsets(ti,false,ny)
+ if trace_cursive then
+ showoffset(ti)
+ end
+ end
+ maxc=0
+ end
+ cursiveanchor=nil
+ end
+ end
+ local leftkern=i.leftkern
+ local rightkern=i.rightkern
+ if leftkern and leftkern~=0 then
+ if rightkern and leftkern==-rightkern then
+ setoffsets(current,leftkern,false)
+ rightkern=0
+ else
+ head=insert_node_before(head,current,fontkern(leftkern))
+ end
+ end
+ if rightkern and rightkern~=0 then
+ insert_node_after(head,current,fontkern(rightkern))
+ end
+ end
+ else
+ local i=p.emptyinjections
+ if i then
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ if next and getid(next)==disc_code then
+ if replace then
+ else
+ setfield(next,"replace",fontkern(rightkern))
+ end
+ end
+ end
+ end
+ end
+ if prevdisc then
+ if p then
+ local done=false
+ if post then
+ local i=p.postinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ setlink(posttail,fontkern(leftkern))
+ done=true
+ end
+ end
+ end
+ if replace then
+ local i=p.replaceinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ setlink(replacetail,fontkern(leftkern))
+ done=true
+ end
+ end
+ else
+ local i=p.emptyinjections
+ if i then
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ setfield(prev,"replace",fontkern(leftkern))
+ end
+ end
+ end
+ if done then
+ setdisc(prevdisc,pre,post,replace)
+ end
+ end
+ end
+ else
+ if hascursives and maxc>0 then
+ local nx,ny=getoffsets(current)
+ for i=maxc,minc,-1 do
+ local ti=glyphs[i]
+ ny=ny+properties[ti].cursivedy
+ local xi,yi=getoffsets(ti)
+ setoffsets(ti,xi,yi+ny)
+ end
+ maxc=0
+ cursiveanchor=nil
+ end
+ end
+ prevdisc=nil
+ prevglyph=current
+ elseif char==false then
+ prevdisc=nil
+ prevglyph=current
+ elseif id==disc_code then
+ pre,post,replace,pretail,posttail,replacetail=getdisc(current,true)
+ local done=false
+ if pre then
+ for n in nextchar,pre do
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections or p.preinjections
+ if i then
+ local yoffset=i.yoffset
+ if yoffset and yoffset~=0 then
+ setoffsets(n,false,yoffset)
+ end
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ pre=insert_node_before(pre,n,fontkern(leftkern))
+ done=true
+ end
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ insert_node_after(pre,n,fontkern(rightkern))
+ done=true
+ end
+ if hasmarks then
+ local pm=i.markbasenode
+ if pm then
+ processmark(pm,n,i)
+ end
+ end
+ end
+ end
+ end
+ end
+ if post then
+ for n in nextchar,post do
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections or p.postinjections
+ if i then
+ local yoffset=i.yoffset
+ if yoffset and yoffset~=0 then
+ setoffsets(n,false,yoffset)
+ end
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ post=insert_node_before(post,n,fontkern(leftkern))
+ done=true
+ end
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ insert_node_after(post,n,fontkern(rightkern))
+ done=true
+ end
+ if hasmarks then
+ local pm=i.markbasenode
+ if pm then
+ processmark(pm,n,i)
+ end
+ end
+ end
+ end
+ end
+ end
+ if replace then
+ for n in nextchar,replace do
+ local p=rawget(properties,n)
+ if p then
+ local i=p.injections or p.replaceinjections
+ if i then
+ local yoffset=i.yoffset
+ if yoffset and yoffset~=0 then
+ setoffsets(n,false,yoffset)
+ end
+ local leftkern=i.leftkern
+ if leftkern and leftkern~=0 then
+ replace=insert_node_before(replace,n,fontkern(leftkern))
+ done=true
+ end
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ insert_node_after(replace,n,fontkern(rightkern))
+ done=true
+ end
+ if hasmarks then
+ local pm=i.markbasenode
+ if pm then
+ processmark(pm,n,i)
+ end
+ end
+ end
+ end
+ end
+ end
+ if prevglyph then
+ if pre then
+ local p=rawget(properties,prevglyph)
+ if p then
+ local i=p.preinjections
+ if i then
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ pre=insert_node_before(pre,pre,fontkern(rightkern))
+ done=true
+ end
+ end
+ end
+ end
+ if replace then
+ local p=rawget(properties,prevglyph)
+ if p then
+ local i=p.replaceinjections
+ if i then
+ local rightkern=i.rightkern
+ if rightkern and rightkern~=0 then
+ replace=insert_node_before(replace,replace,fontkern(rightkern))
+ done=true
+ end
+ end
+ end
+ end
+ end
+ if done then
+ setdisc(current,pre,post,replace)
+ end
+ prevglyph=nil
+ prevdisc=current
+ else
+ prevglyph=nil
+ prevdisc=nil
+ end
+ prev=current
+ current=next
+ end
+ if hascursives and maxc>0 then
+ local nx,ny=getoffsets(last)
+ for i=maxc,minc,-1 do
+ local ti=glyphs[i]
+ ny=ny+properties[ti].cursivedy
+ setoffsets(ti,false,ny)
+ if trace_cursive then
+ showoffset(ti)
+ end
+ end
+ end
+ if nofmarks>0 then
+ for i=1,nofmarks do
+ local m=marks[i]
+ local p=rawget(properties,m)
+ local i=p.injections
+ local b=i.markbasenode
+ processmark(b,m,i)
+ end
+ elseif hasmarks then
+ end
+ if keepregisteredcounts then
+ keepregisteredcounts=false
+ else
+ nofregisteredkerns=0
+ nofregisteredpositions=0
+ nofregisteredmarks=0
+ nofregisteredcursives=0
+ end
+ if trace_injections then
+ show_result(head)
+ end
+ return head
+end
+local triggers=false
+function nodes.injections.setspacekerns(font,sequence)
+ if triggers then
+ triggers[font]=sequence
+ else
+ triggers={ [font]=sequence }
+ end
+end
+local getthreshold
+if context then
+
+--removed
+
+else
+ injections.threshold=0
+ getthreshold=function(font)
+ local p=fontdata[font].parameters
+ local f=p.factor
+ local s=p.spacing
+ local t=injections.threshold*(s and s.width or p.space or 0)-2
+ return t>0 and t or 0,f
+ end
+end
+injections.getthreshold=getthreshold
+function injections.isspace(n,threshold,id)
+ if (id or getid(n))==glue_code then
+ local w=getwidth(n)
+ if threshold and w>threshold then
+ return 32
+ end
+ end
+end
+local getspaceboth=getboth
+function injections.installgetspaceboth(gb)
+ getspaceboth=gb or getboth
+end
+local function injectspaces(head)
+ if not triggers then
+ return head
+ end
+ local lastfont=nil
+ local spacekerns=nil
+ local leftkerns=nil
+ local rightkerns=nil
+ local factor=0
+ local threshold=0
+ local leftkern=false
+ local rightkern=false
+ local function updatefont(font,trig)
+ leftkerns=trig.left
+ rightkerns=trig.right
+ lastfont=font
+ threshold,
+ factor=getthreshold(font)
+ end
+ for n in nextglue,head do
+ local prev,next=getspaceboth(n)
+ local prevchar=prev and ischar(prev)
+ local nextchar=next and ischar(next)
+ if nextchar then
+ local font=getfont(next)
+ local trig=triggers[font]
+ if trig then
+ if lastfont~=font then
+ updatefont(font,trig)
+ end
+ if rightkerns then
+ rightkern=rightkerns[nextchar]
+ end
+ end
+ end
+ if prevchar then
+ local font=getfont(prev)
+ local trig=triggers[font]
+ if trig then
+ if lastfont~=font then
+ updatefont(font,trig)
+ end
+ if leftkerns then
+ leftkern=leftkerns[prevchar]
+ end
+ end
+ end
+ if leftkern then
+ local old=getwidth(n)
+ if old>threshold then
+ if rightkern then
+ if useitalickerns then
+ local lnew=leftkern*factor
+ local rnew=rightkern*factor
+ if trace_spaces then
+ report_spaces("%C [%p + %p + %p] %C",prevchar,lnew,old,rnew,nextchar)
+ end
+ head=insert_node_before(head,n,italickern(lnew))
+ insert_node_after(head,n,italickern(rnew))
+ else
+ local new=old+(leftkern+rightkern)*factor
+ if trace_spaces then
+ report_spaces("%C [%p -> %p] %C",prevchar,old,new,nextchar)
+ end
+ setwidth(n,new)
+ end
+ rightkern=false
+ else
+ if useitalickerns then
+ local new=leftkern*factor
+ if trace_spaces then
+ report_spaces("%C [%p + %p]",prevchar,old,new)
+ end
+ insert_node_after(head,n,italickern(new))
+ else
+ local new=old+leftkern*factor
+ if trace_spaces then
+ report_spaces("%C [%p -> %p]",prevchar,old,new)
+ end
+ setwidth(n,new)
+ end
+ end
+ end
+ leftkern=false
+ elseif rightkern then
+ local old=getwidth(n)
+ if old>threshold then
+ if useitalickerns then
+ local new=rightkern*factor
+ if trace_spaces then
+ report_spaces("%C [%p + %p]",nextchar,old,new)
+ end
+ insert_node_after(head,n,italickern(new))
+ else
+ local new=old+rightkern*factor
+ if trace_spaces then
+ report_spaces("[%p -> %p] %C",nextchar,old,new)
+ end
+ setwidth(n,new)
+ end
+ end
+ rightkern=false
+ end
+ end
+ triggers=false
+ return head
+end
+function injections.handler(head,where)
+ if triggers then
+ head=injectspaces(head)
+ end
+ if nofregisteredmarks>0 or nofregisteredcursives>0 then
+ if trace_injections then
+ report_injections("injection variant %a","everything")
+ end
+ return inject_everything(head,where)
+ elseif nofregisteredpositions>0 then
+ if trace_injections then
+ report_injections("injection variant %a","positions")
+ end
+ return inject_positions_only(head,where)
+ elseif nofregisteredkerns>0 then
+ if trace_injections then
+ report_injections("injection variant %a","kerns")
+ end
+ return inject_kerns_only(head,where)
+ else
+ return head
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-ota']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local type=type
+if not trackers then trackers={ register=function() end } end
+local fonts,nodes,node=fonts,nodes,node
+local allocate=utilities.storage.allocate
+local otf=fonts.handlers.otf
+local analyzers=fonts.analyzers
+local initializers=allocate()
+local methods=allocate()
+analyzers.initializers=initializers
+analyzers.methods=methods
+local a_state=attributes.private('state')
+local nuts=nodes.nuts
+local tonut=nuts.tonut
+local getnext=nuts.getnext
+local getprev=nuts.getprev
+local getprev=nuts.getprev
+local getprop=nuts.getprop
+local setprop=nuts.setprop
+local getfont=nuts.getfont
+local getsubtype=nuts.getsubtype
+local getchar=nuts.getchar
+local ischar=nuts.is_char
+local end_of_math=nuts.end_of_math
+local nodecodes=nodes.nodecodes
+local disc_code=nodecodes.disc
+local math_code=nodecodes.math
+local fontdata=fonts.hashes.identifiers
+local categories=characters and characters.categories or {}
+local chardata=characters and characters.data
+local otffeatures=fonts.constructors.features.otf
+local registerotffeature=otffeatures.register
+local s_init=1 local s_rphf=7
+local s_medi=2 local s_half=8
+local s_fina=3 local s_pref=9
+local s_isol=4 local s_blwf=10
+local s_mark=5 local s_pstf=11
+local s_rest=6
+local states=allocate {
+ init=s_init,
+ medi=s_medi,
+ med2=s_medi,
+ fina=s_fina,
+ fin2=s_fina,
+ fin3=s_fina,
+ isol=s_isol,
+ mark=s_mark,
+ rest=s_rest,
+ rphf=s_rphf,
+ half=s_half,
+ pref=s_pref,
+ blwf=s_blwf,
+ pstf=s_pstf,
+}
+local features=allocate {
+ init=s_init,
+ medi=s_medi,
+ med2=s_medi,
+ fina=s_fina,
+ fin2=s_fina,
+ fin3=s_fina,
+ isol=s_isol,
+ rphf=s_rphf,
+ half=s_half,
+ pref=s_pref,
+ blwf=s_blwf,
+ pstf=s_pstf,
+}
+analyzers.states=states
+analyzers.features=features
+analyzers.useunicodemarks=false
+function analyzers.setstate(head,font)
+ local useunicodemarks=analyzers.useunicodemarks
+ local tfmdata=fontdata[font]
+ local descriptions=tfmdata.descriptions
+ local first,last,current,n,done=nil,nil,head,0,false
+ current=tonut(current)
+ while current do
+ local char,id=ischar(current,font)
+ if char and not getprop(current,a_state) then
+ done=true
+ local d=descriptions[char]
+ if d then
+ if d.class=="mark" then
+ done=true
+ setprop(current,a_state,s_mark)
+ elseif useunicodemarks and categories[char]=="mn" then
+ done=true
+ setprop(current,a_state,s_mark)
+ elseif n==0 then
+ first,last,n=current,current,1
+ setprop(current,a_state,s_init)
+ else
+ last,n=current,n+1
+ setprop(current,a_state,s_medi)
+ end
+ else
+ if first and first==last then
+ setprop(last,a_state,s_isol)
+ elseif last then
+ setprop(last,a_state,s_fina)
+ end
+ first,last,n=nil,nil,0
+ end
+ elseif char==false then
+ if first and first==last then
+ setprop(last,a_state,s_isol)
+ elseif last then
+ setprop(last,a_state,s_fina)
+ end
+ first,last,n=nil,nil,0
+ if id==math_code then
+ current=end_of_math(current)
+ end
+ elseif id==disc_code then
+ setprop(current,a_state,s_medi)
+ last=current
+ else
+ if first and first==last then
+ setprop(last,a_state,s_isol)
+ elseif last then
+ setprop(last,a_state,s_fina)
+ end
+ first,last,n=nil,nil,0
+ if id==math_code then
+ current=end_of_math(current)
+ end
+ end
+ current=getnext(current)
+ end
+ if first and first==last then
+ setprop(last,a_state,s_isol)
+ elseif last then
+ setprop(last,a_state,s_fina)
+ end
+ return head,done
+end
+local function analyzeinitializer(tfmdata,value)
+ local script,language=otf.scriptandlanguage(tfmdata)
+ local action=initializers[script]
+ if not action then
+ elseif type(action)=="function" then
+ return action(tfmdata,value)
+ else
+ local action=action[language]
+ if action then
+ return action(tfmdata,value)
+ end
+ end
+end
+local function analyzeprocessor(head,font,attr)
+ local tfmdata=fontdata[font]
+ local script,language=otf.scriptandlanguage(tfmdata,attr)
+ local action=methods[script]
+ if not action then
+ elseif type(action)=="function" then
+ return action(head,font,attr)
+ else
+ action=action[language]
+ if action then
+ return action(head,font,attr)
+ end
+ end
+ return head,false
+end
+registerotffeature {
+ name="analyze",
+ description="analysis of character classes",
+ default=true,
+ initializers={
+ node=analyzeinitializer,
+ },
+ processors={
+ position=1,
+ node=analyzeprocessor,
+ }
+}
+methods.latn=analyzers.setstate
+local arab_warned={}
+local function warning(current,what)
+ local char=getchar(current)
+ if not arab_warned[char] then
+ log.report("analyze","arab: character %C has no %a class",char,what)
+ arab_warned[char]=true
+ end
+end
+local mappers=allocate {
+ l=s_init,
+ d=s_medi,
+ c=s_medi,
+ r=s_fina,
+ u=s_isol,
+}
+local classifiers=characters.classifiers
+if not classifiers then
+ local f_arabic,l_arabic=characters.blockrange("arabic")
+ local f_syriac,l_syriac=characters.blockrange("syriac")
+ local f_mandiac,l_mandiac=characters.blockrange("mandiac")
+ local f_nko,l_nko=characters.blockrange("nko")
+ local f_ext_a,l_ext_a=characters.blockrange("arabicextendeda")
+ classifiers=table.setmetatableindex(function(t,k)
+ if type(k)=="number" then
+ local c=chardata[k]
+ local v=false
+ if c then
+ local arabic=c.arabic
+ if arabic then
+ v=mappers[arabic]
+ if not v then
+ log.report("analyze","error in mapping arabic %C",k)
+ v=false
+ end
+ elseif (k>=f_arabic and k<=l_arabic) or
+ (k>=f_syriac and k<=l_syriac) or
+ (k>=f_mandiac and k<=l_mandiac) or
+ (k>=f_nko and k<=l_nko) or
+ (k>=f_ext_a and k<=l_ext_a) then
+ if categories[k]=="mn" then
+ v=s_mark
+ else
+ v=s_rest
+ end
+ end
+ end
+ t[k]=v
+ return v
+ end
+ end)
+ characters.classifiers=classifiers
+end
+function methods.arab(head,font,attr)
+ local first,last=nil,nil
+ local c_first,c_last=nil,nil
+ local current,done=head,false
+ current=tonut(current)
+ while current do
+ local char,id=ischar(current,font)
+ if char and not getprop(current,a_state) then
+ done=true
+ local classifier=classifiers[char]
+ if not classifier then
+ if last then
+ if c_last==s_medi or c_last==s_fina then
+ setprop(last,a_state,s_fina)
+ else
+ warning(last,"fina")
+ setprop(last,a_state,s_error)
+ end
+ first,last=nil,nil
+ elseif first then
+ if c_first==s_medi or c_first==s_fina then
+ setprop(first,a_state,s_isol)
+ else
+ warning(first,"isol")
+ setprop(first,a_state,s_error)
+ end
+ first=nil
+ end
+ elseif classifier==s_mark then
+ setprop(current,a_state,s_mark)
+ elseif classifier==s_isol then
+ if last then
+ if c_last==s_medi or c_last==s_fina then
+ setprop(last,a_state,s_fina)
+ else
+ warning(last,"fina")
+ setprop(last,a_state,s_error)
+ end
+ first,last=nil,nil
+ elseif first then
+ if c_first==s_medi or c_first==s_fina then
+ setprop(first,a_state,s_isol)
+ else
+ warning(first,"isol")
+ setprop(first,a_state,s_error)
+ end
+ first=nil
+ end
+ setprop(current,a_state,s_isol)
+ elseif classifier==s_medi then
+ if first then
+ last=current
+ c_last=classifier
+ setprop(current,a_state,s_medi)
+ else
+ setprop(current,a_state,s_init)
+ first=current
+ c_first=classifier
+ end
+ elseif classifier==s_fina then
+ if last then
+ if getprop(last,a_state)~=s_init then
+ setprop(last,a_state,s_medi)
+ end
+ setprop(current,a_state,s_fina)
+ first,last=nil,nil
+ elseif first then
+ setprop(current,a_state,s_fina)
+ first=nil
+ else
+ setprop(current,a_state,s_isol)
+ end
+ else
+ setprop(current,a_state,s_rest)
+ if last then
+ if c_last==s_medi or c_last==s_fina then
+ setprop(last,a_state,s_fina)
+ else
+ warning(last,"fina")
+ setprop(last,a_state,s_error)
+ end
+ first,last=nil,nil
+ elseif first then
+ if c_first==s_medi or c_first==s_fina then
+ setprop(first,a_state,s_isol)
+ else
+ warning(first,"isol")
+ setprop(first,a_state,s_error)
+ end
+ first=nil
+ end
+ end
+ else
+ if last then
+ if c_last==s_medi or c_last==s_fina then
+ setprop(last,a_state,s_fina)
+ else
+ warning(last,"fina")
+ setprop(last,a_state,s_error)
+ end
+ first,last=nil,nil
+ elseif first then
+ if c_first==s_medi or c_first==s_fina then
+ setprop(first,a_state,s_isol)
+ else
+ warning(first,"isol")
+ setprop(first,a_state,s_error)
+ end
+ first=nil
+ end
+ if id==math_code then
+ current=end_of_math(current)
+ end
+ end
+ current=getnext(current)
+ end
+ if last then
+ if c_last==s_medi or c_last==s_fina then
+ setprop(last,a_state,s_fina)
+ else
+ warning(last,"fina")
+ setprop(last,a_state,s_error)
+ end
+ elseif first then
+ if c_first==s_medi or c_first==s_fina then
+ setprop(first,a_state,s_isol)
+ else
+ warning(first,"isol")
+ setprop(first,a_state,s_error)
+ end
+ end
+ return head,done
+end
+methods.syrc=methods.arab
+methods.mand=methods.arab
+methods.nko=methods.arab
+directives.register("otf.analyze.useunicodemarks",function(v)
+ analyzers.useunicodemarks=v
+end)
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-ots']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files",
+}
+local type,next,tonumber=type,next,tonumber
+local random=math.random
+local formatters=string.formatters
+local insert=table.insert
+local registertracker=trackers.register
+local logs=logs
+local trackers=trackers
+local nodes=nodes
+local attributes=attributes
+local fonts=fonts
+local otf=fonts.handlers.otf
+local tracers=nodes.tracers
+local trace_singles=false registertracker("otf.singles",function(v) trace_singles=v end)
+local trace_multiples=false registertracker("otf.multiples",function(v) trace_multiples=v end)
+local trace_alternatives=false registertracker("otf.alternatives",function(v) trace_alternatives=v end)
+local trace_ligatures=false registertracker("otf.ligatures",function(v) trace_ligatures=v end)
+local trace_contexts=false registertracker("otf.contexts",function(v) trace_contexts=v end)
+local trace_marks=false registertracker("otf.marks",function(v) trace_marks=v end)
+local trace_kerns=false registertracker("otf.kerns",function(v) trace_kerns=v end)
+local trace_cursive=false registertracker("otf.cursive",function(v) trace_cursive=v end)
+local trace_preparing=false registertracker("otf.preparing",function(v) trace_preparing=v end)
+local trace_bugs=false registertracker("otf.bugs",function(v) trace_bugs=v end)
+local trace_details=false registertracker("otf.details",function(v) trace_details=v end)
+local trace_steps=false registertracker("otf.steps",function(v) trace_steps=v end)
+local trace_skips=false registertracker("otf.skips",function(v) trace_skips=v end)
+local trace_plugins=false registertracker("otf.plugins",function(v) trace_plugins=v end)
+local trace_chains=false registertracker("otf.chains",function(v) trace_chains=v end)
+local trace_kernruns=false registertracker("otf.kernruns",function(v) trace_kernruns=v end)
+local trace_compruns=false registertracker("otf.compruns",function(v) trace_compruns=v end)
+local trace_testruns=false registertracker("otf.testruns",function(v) trace_testruns=v end)
+local forcediscretionaries=false
+local forcepairadvance=false
+directives.register("otf.forcediscretionaries",function(v)
+ forcediscretionaries=v
+end)
+directives.register("otf.forcepairadvance",function(v)
+ forcepairadvance=v
+end)
+local report_direct=logs.reporter("fonts","otf direct")
+local report_subchain=logs.reporter("fonts","otf subchain")
+local report_chain=logs.reporter("fonts","otf chain")
+local report_process=logs.reporter("fonts","otf process")
+local report_warning=logs.reporter("fonts","otf warning")
+local report_run=logs.reporter("fonts","otf run")
+registertracker("otf.substitutions","otf.singles","otf.multiples","otf.alternatives","otf.ligatures")
+registertracker("otf.positions","otf.marks","otf.kerns","otf.cursive")
+registertracker("otf.actions","otf.substitutions","otf.positions")
+registertracker("otf.sample","otf.steps","otf.substitutions","otf.positions","otf.analyzing")
+registertracker("otf.sample.silent","otf.steps=silent","otf.substitutions","otf.positions","otf.analyzing")
+local nuts=nodes.nuts
+local getfield=nuts.getfield
+local getnext=nuts.getnext
+local setnext=nuts.setnext
+local getprev=nuts.getprev
+local setprev=nuts.setprev
+local getboth=nuts.getboth
+local setboth=nuts.setboth
+local getid=nuts.getid
+local getattr=nuts.getattr
+local setattr=nuts.setattr
+local getprop=nuts.getprop
+local setprop=nuts.setprop
+local getfont=nuts.getfont
+local getsubtype=nuts.getsubtype
+local setsubtype=nuts.setsubtype
+local getchar=nuts.getchar
+local setchar=nuts.setchar
+local getdisc=nuts.getdisc
+local setdisc=nuts.setdisc
+local setlink=nuts.setlink
+local getcomponents=nuts.getcomponents
+local setcomponents=nuts.setcomponents
+local getdir=nuts.getdir
+local getwidth=nuts.getwidth
+local ischar=nuts.is_char
+local usesfont=nuts.uses_font
+local insert_node_after=nuts.insert_after
+local copy_node=nuts.copy
+local copy_node_list=nuts.copy_list
+local remove_node=nuts.remove
+local find_node_tail=nuts.tail
+local flush_node_list=nuts.flush_list
+local flush_node=nuts.flush_node
+local end_of_math=nuts.end_of_math
+local set_components=nuts.set_components
+local take_components=nuts.take_components
+local count_components=nuts.count_components
+local copy_no_components=nuts.copy_no_components
+local copy_only_glyphs=nuts.copy_only_glyphs
+local setmetatable=setmetatable
+local setmetatableindex=table.setmetatableindex
+local nextnode=nuts.traversers.node
+local nodecodes=nodes.nodecodes
+local glyphcodes=nodes.glyphcodes
+local disccodes=nodes.disccodes
+local glyph_code=nodecodes.glyph
+local glue_code=nodecodes.glue
+local disc_code=nodecodes.disc
+local math_code=nodecodes.math
+local dir_code=nodecodes.dir
+local localpar_code=nodecodes.localpar
+local discretionary_code=disccodes.discretionary
+local ligature_code=glyphcodes.ligature
+local a_state=attributes.private('state')
+local a_noligature=attributes.private("noligature")
+local injections=nodes.injections
+local setmark=injections.setmark
+local setcursive=injections.setcursive
+local setkern=injections.setkern
+local setmove=injections.setmove
+local setposition=injections.setposition
+local resetinjection=injections.reset
+local copyinjection=injections.copy
+local setligaindex=injections.setligaindex
+local getligaindex=injections.getligaindex
+local fontdata=fonts.hashes.identifiers
+local fontfeatures=fonts.hashes.features
+local otffeatures=fonts.constructors.features.otf
+local registerotffeature=otffeatures.register
+local onetimemessage=fonts.loggers.onetimemessage or function() end
+local getrandom=utilities and utilities.randomizer and utilities.randomizer.get
+otf.defaultnodealternate="none"
+local tfmdata=false
+local characters=false
+local descriptions=false
+local marks=false
+local classes=false
+local currentfont=false
+local factor=0
+local threshold=0
+local checkmarks=false
+local discs=false
+local spaces=false
+local sweepnode=nil
+local sweephead={}
+local notmatchpre={}
+local notmatchpost={}
+local notmatchreplace={}
+local handlers={}
+local isspace=injections.isspace
+local getthreshold=injections.getthreshold
+local checkstep=(tracers and tracers.steppers.check) or function() end
+local registerstep=(tracers and tracers.steppers.register) or function() end
+local registermessage=(tracers and tracers.steppers.message) or function() end
+local function logprocess(...)
+ if trace_steps then
+ registermessage(...)
+ if trace_steps=="silent" then
+ return
+ end
+ end
+ report_direct(...)
+end
+local function logwarning(...)
+ report_direct(...)
+end
+local gref do
+ local f_unicode=formatters["U+%X"]
+ local f_uniname=formatters["U+%X (%s)"]
+ local f_unilist=formatters["% t"]
+ gref=function(n)
+ if type(n)=="number" then
+ local description=descriptions[n]
+ local name=description and description.name
+ if name then
+ return f_uniname(n,name)
+ else
+ return f_unicode(n)
+ end
+ elseif n then
+ local t={}
+ for i=1,#n do
+ local ni=n[i]
+ if tonumber(ni) then
+ local di=descriptions[ni]
+ local nn=di and di.name
+ if nn then
+ t[#t+1]=f_uniname(ni,nn)
+ else
+ t[#t+1]=f_unicode(ni)
+ end
+ end
+ end
+ return f_unilist(t)
+ else
+ return "<error in node mode tracing>"
+ end
+ end
+end
+local function cref(dataset,sequence,index)
+ if not dataset then
+ return "no valid dataset"
+ end
+ local merged=sequence.merged and "merged " or ""
+ if index then
+ return formatters["feature %a, type %a, %schain lookup %a, index %a"](
+ dataset[4],sequence.type,merged,sequence.name,index)
+ else
+ return formatters["feature %a, type %a, %schain lookup %a"](
+ dataset[4],sequence.type,merged,sequence.name)
+ end
+end
+local function pref(dataset,sequence)
+ return formatters["feature %a, type %a, %slookup %a"](
+ dataset[4],sequence.type,sequence.merged and "merged " or "",sequence.name)
+end
+local function mref(rlmode)
+ if not rlmode or rlmode>=0 then
+ return "l2r"
+ else
+ return "r2l"
+ end
+end
+local function flattendisk(head,disc)
+ local pre,post,replace,pretail,posttail,replacetail=getdisc(disc,true)
+ local prev,next=getboth(disc)
+ local ishead=head==disc
+ setdisc(disc)
+ flush_node(disc)
+ if pre then
+ flush_node_list(pre)
+ end
+ if post then
+ flush_node_list(post)
+ end
+ if ishead then
+ if replace then
+ if next then
+ setlink(replacetail,next)
+ end
+ return replace,replace
+ elseif next then
+ return next,next
+ else
+ end
+ else
+ if replace then
+ if next then
+ setlink(replacetail,next)
+ end
+ setlink(prev,replace)
+ return head,replace
+ else
+ setlink(prev,next)
+ return head,next
+ end
+ end
+end
+local function appenddisc(disc,list)
+ local pre,post,replace,pretail,posttail,replacetail=getdisc(disc,true)
+ local posthead=list
+ local replacehead=copy_node_list(list)
+ if post then
+ setlink(posttail,posthead)
+ else
+ post=posthead
+ end
+ if replace then
+ setlink(replacetail,replacehead)
+ else
+ replace=replacehead
+ end
+ setdisc(disc,pre,post,replace)
+end
+local take_components=getcomponents
+local set_components=setcomponents
+local function count_components(start,marks)
+ if getid(start)~=glyph_code then
+ return 0
+ elseif getsubtype(start)==ligature_code then
+ local i=0
+ local components=getcomponents(start)
+ while components do
+ i=i+count_components(components,marks)
+ components=getnext(components)
+ end
+ return i
+ elseif not marks[getchar(start)] then
+ return 1
+ else
+ return 0
+ end
+end
+local function markstoligature(head,start,stop,char)
+ if start==stop and getchar(start)==char then
+ return head,start
+ else
+ local prev=getprev(start)
+ local next=getnext(stop)
+ setprev(start)
+ setnext(stop)
+ local base=copy_no_components(start,copyinjection)
+ if head==start then
+ head=base
+ end
+ resetinjection(base)
+ setchar(base,char)
+ setsubtype(base,ligature_code)
+ set_components(base,start)
+ setlink(prev,base,next)
+ return head,base
+ end
+end
+local function toligature(head,start,stop,char,dataset,sequence,skiphash,discfound,hasmarks)
+ if getattr(start,a_noligature)==1 then
+ return head,start
+ end
+ if start==stop and getchar(start)==char then
+ resetinjection(start)
+ setchar(start,char)
+ return head,start
+ end
+ local prev=getprev(start)
+ local next=getnext(stop)
+ local comp=start
+ setprev(start)
+ setnext(stop)
+ local base=copy_no_components(start,copyinjection)
+ if start==head then
+ head=base
+ end
+ resetinjection(base)
+ setchar(base,char)
+ setsubtype(base,ligature_code)
+ set_components(base,comp)
+ setlink(prev,base,next)
+ if not discfound then
+ local deletemarks=not skiphash or hasmarks
+ local components=start
+ local baseindex=0
+ local componentindex=0
+ local head=base
+ local current=base
+ while start do
+ local char=getchar(start)
+ if not marks[char] then
+ baseindex=baseindex+componentindex
+ componentindex=count_components(start,marks)
+ elseif not deletemarks then
+ setligaindex(start,baseindex+getligaindex(start,componentindex))
+ if trace_marks then
+ logwarning("%s: keep mark %s, gets index %s",pref(dataset,sequence),gref(char),getligaindex(start))
+ end
+ local n=copy_node(start)
+ copyinjection(n,start)
+ head,current=insert_node_after(head,current,n)
+ elseif trace_marks then
+ logwarning("%s: delete mark %s",pref(dataset,sequence),gref(char))
+ end
+ start=getnext(start)
+ end
+ local start=getnext(current)
+ while start do
+ local char=ischar(start)
+ if char then
+ if marks[char] then
+ setligaindex(start,baseindex+getligaindex(start,componentindex))
+ if trace_marks then
+ logwarning("%s: set mark %s, gets index %s",pref(dataset,sequence),gref(char),getligaindex(start))
+ end
+ start=getnext(start)
+ else
+ break
+ end
+ else
+ break
+ end
+ end
+ else
+ local discprev,discnext=getboth(discfound)
+ if discprev and discnext then
+ local pre,post,replace,pretail,posttail,replacetail=getdisc(discfound,true)
+ if not replace then
+ local prev=getprev(base)
+ local comp=take_components(base)
+ local copied=copy_only_glyphs(comp)
+ if pre then
+ setlink(discprev,pre)
+ else
+ setnext(discprev)
+ end
+ pre=comp
+ if post then
+ setlink(posttail,discnext)
+ setprev(post)
+ else
+ post=discnext
+ setprev(discnext)
+ end
+ setlink(prev,discfound,next)
+ setboth(base)
+ set_components(base,copied)
+ replace=base
+ if forcediscretionaries then
+ setdisc(discfound,pre,post,replace,discretionary_code)
+ else
+ setdisc(discfound,pre,post,replace)
+ end
+ base=prev
+ end
+ end
+ end
+ return head,base
+end
+local function multiple_glyphs(head,start,multiple,skiphash,what,stop)
+ local nofmultiples=#multiple
+ if nofmultiples>0 then
+ resetinjection(start)
+ setchar(start,multiple[1])
+ if nofmultiples>1 then
+ local sn=getnext(start)
+ for k=2,nofmultiples do
+ local n=copy_node(start)
+ resetinjection(n)
+ setchar(n,multiple[k])
+ insert_node_after(head,start,n)
+ start=n
+ end
+ if what==true then
+ elseif what>1 then
+ local m=multiple[nofmultiples]
+ for i=2,what do
+ local n=copy_node(start)
+ resetinjection(n)
+ setchar(n,m)
+ insert_node_after(head,start,n)
+ start=n
+ end
+ end
+ end
+ return head,start,true
+ else
+ if trace_multiples then
+ logprocess("no multiple for %s",gref(getchar(start)))
+ end
+ return head,start,false
+ end
+end
+local function get_alternative_glyph(start,alternatives,value)
+ local n=#alternatives
+ if n==1 then
+ return alternatives[1],trace_alternatives and "1 (only one present)"
+ elseif value=="random" then
+ local r=getrandom and getrandom("glyph",1,n) or random(1,n)
+ return alternatives[r],trace_alternatives and formatters["value %a, taking %a"](value,r)
+ elseif value=="first" then
+ return alternatives[1],trace_alternatives and formatters["value %a, taking %a"](value,1)
+ elseif value=="last" then
+ return alternatives[n],trace_alternatives and formatters["value %a, taking %a"](value,n)
+ end
+ value=value==true and 1 or tonumber(value)
+ if type(value)~="number" then
+ return alternatives[1],trace_alternatives and formatters["invalid value %s, taking %a"](value,1)
+ end
+ if value>n then
+ local defaultalt=otf.defaultnodealternate
+ if defaultalt=="first" then
+ return alternatives[n],trace_alternatives and formatters["invalid value %s, taking %a"](value,1)
+ elseif defaultalt=="last" then
+ return alternatives[1],trace_alternatives and formatters["invalid value %s, taking %a"](value,n)
+ else
+ return false,trace_alternatives and formatters["invalid value %a, %s"](value,"out of range")
+ end
+ elseif value==0 then
+ return getchar(start),trace_alternatives and formatters["invalid value %a, %s"](value,"no change")
+ elseif value<1 then
+ return alternatives[1],trace_alternatives and formatters["invalid value %a, taking %a"](value,1)
+ else
+ return alternatives[value],trace_alternatives and formatters["value %a, taking %a"](value,value)
+ end
+end
+function handlers.gsub_single(head,start,dataset,sequence,replacement)
+ if trace_singles then
+ logprocess("%s: replacing %s by single %s",pref(dataset,sequence),gref(getchar(start)),gref(replacement))
+ end
+ resetinjection(start)
+ setchar(start,replacement)
+ return head,start,true
+end
+function handlers.gsub_alternate(head,start,dataset,sequence,alternative)
+ local kind=dataset[4]
+ local what=dataset[1]
+ local value=what==true and tfmdata.shared.features[kind] or what
+ local choice,comment=get_alternative_glyph(start,alternative,value)
+ if choice then
+ if trace_alternatives then
+ logprocess("%s: replacing %s by alternative %a to %s, %s",pref(dataset,sequence),gref(getchar(start)),gref(choice),comment)
+ end
+ resetinjection(start)
+ setchar(start,choice)
+ else
+ if trace_alternatives then
+ logwarning("%s: no variant %a for %s, %s",pref(dataset,sequence),value,gref(getchar(start)),comment)
+ end
+ end
+ return head,start,true
+end
+function handlers.gsub_multiple(head,start,dataset,sequence,multiple,rlmode,skiphash)
+ if trace_multiples then
+ logprocess("%s: replacing %s by multiple %s",pref(dataset,sequence),gref(getchar(start)),gref(multiple))
+ end
+ return multiple_glyphs(head,start,multiple,skiphash,dataset[1])
+end
+function handlers.gsub_ligature(head,start,dataset,sequence,ligature,rlmode,skiphash)
+ local current=getnext(start)
+ if not current then
+ return head,start,false,nil
+ end
+ local stop=nil
+ local startchar=getchar(start)
+ if skiphash and skiphash[startchar] then
+ while current do
+ local char=ischar(current,currentfont)
+ if char then
+ local lg=ligature[char]
+ if lg then
+ stop=current
+ ligature=lg
+ current=getnext(current)
+ else
+ break
+ end
+ else
+ break
+ end
+ end
+ if stop then
+ local lig=ligature.ligature
+ if lig then
+ if trace_ligatures then
+ local stopchar=getchar(stop)
+ head,start=markstoligature(head,start,stop,lig)
+ logprocess("%s: replacing %s upto %s by ligature %s case 1",pref(dataset,sequence),gref(startchar),gref(stopchar),gref(getchar(start)))
+ else
+ head,start=markstoligature(head,start,stop,lig)
+ end
+ return head,start,true,false
+ else
+ end
+ end
+ else
+ local discfound=false
+ local lastdisc=nil
+ local hasmarks=marks[startchar]
+ while current do
+ local char,id=ischar(current,currentfont)
+ if char then
+ if skiphash and skiphash[char] then
+ current=getnext(current)
+ else
+ local lg=ligature[char]
+ if lg then
+ if not discfound and lastdisc then
+ discfound=lastdisc
+ lastdisc=nil
+ end
+ if marks[char] then
+ hasmarks=true
+ end
+ stop=current
+ ligature=lg
+ current=getnext(current)
+ else
+ break
+ end
+ end
+ elseif char==false then
+ break
+ elseif id==disc_code then
+ local replace=getfield(current,"replace")
+ if replace then
+ while replace do
+ local char,id=ischar(replace,currentfont)
+ if char then
+ local lg=ligature[char]
+ if lg then
+ if marks[char] then
+ hasmarks=true
+ end
+ ligature=lg
+ replace=getnext(replace)
+ else
+ return head,start,false,false
+ end
+ else
+ return head,start,false,false
+ end
+ end
+ stop=current
+ end
+ lastdisc=current
+ current=getnext(current)
+ else
+ break
+ end
+ end
+ local lig=ligature.ligature
+ if lig then
+ if stop then
+ if trace_ligatures then
+ local stopchar=getchar(stop)
+ head,start=toligature(head,start,stop,lig,dataset,sequence,skiphash,discfound,hasmarks)
+ logprocess("%s: replacing %s upto %s by ligature %s case 2",pref(dataset,sequence),gref(startchar),gref(stopchar),gref(lig))
+ else
+ head,start=toligature(head,start,stop,lig,dataset,sequence,skiphash,discfound,hasmarks)
+ end
+ else
+ resetinjection(start)
+ setchar(start,lig)
+ if trace_ligatures then
+ logprocess("%s: replacing %s by (no real) ligature %s case 3",pref(dataset,sequence),gref(startchar),gref(lig))
+ end
+ end
+ return head,start,true,discfound
+ else
+ end
+ end
+ return head,start,false,discfound
+end
+function handlers.gpos_single(head,start,dataset,sequence,kerns,rlmode,skiphash,step,injection)
+ local startchar=getchar(start)
+ local format=step.format
+ if format=="single" or type(kerns)=="table" then
+ local dx,dy,w,h=setposition(0,start,factor,rlmode,kerns,injection)
+ if trace_kerns then
+ logprocess("%s: shifting single %s by %s xy (%p,%p) and wh (%p,%p)",pref(dataset,sequence),gref(startchar),format,dx,dy,w,h)
+ end
+ else
+ local k=(format=="move" and setmove or setkern)(start,factor,rlmode,kerns,injection)
+ if trace_kerns then
+ logprocess("%s: shifting single %s by %s %p",pref(dataset,sequence),gref(startchar),format,k)
+ end
+ end
+ return head,start,true
+end
+function handlers.gpos_pair(head,start,dataset,sequence,kerns,rlmode,skiphash,step,injection)
+ local snext=getnext(start)
+ if not snext then
+ return head,start,false
+ else
+ local prev=start
+ while snext do
+ local nextchar=ischar(snext,currentfont)
+ if nextchar then
+ if skiphash and skiphash[nextchar] then
+ prev=snext
+ snext=getnext(snext)
+ else
+ local krn=kerns[nextchar]
+ if not krn then
+ break
+ end
+ local format=step.format
+ if format=="pair" then
+ local a,b=krn[1],krn[2]
+ if a==true then
+ elseif a then
+ local x,y,w,h=setposition(1,start,factor,rlmode,a,injection)
+ if trace_kerns then
+ local startchar=getchar(start)
+ logprocess("%s: shifting first of pair %s and %s by xy (%p,%p) and wh (%p,%p) as %s",pref(dataset,sequence),gref(startchar),gref(nextchar),x,y,w,h,injection or "injections")
+ end
+ end
+ if b==true then
+ start=snext
+ elseif b then
+ local x,y,w,h=setposition(2,snext,factor,rlmode,b,injection)
+ if trace_kerns then
+ local startchar=getchar(start)
+ logprocess("%s: shifting second of pair %s and %s by xy (%p,%p) and wh (%p,%p) as %s",pref(dataset,sequence),gref(startchar),gref(nextchar),x,y,w,h,injection or "injections")
+ end
+ start=snext
+ elseif forcepairadvance then
+ start=snext
+ end
+ return head,start,true
+ elseif krn~=0 then
+ local k=(format=="move" and setmove or setkern)(snext,factor,rlmode,krn,injection)
+ if trace_kerns then
+ logprocess("%s: inserting %s %p between %s and %s as %s",pref(dataset,sequence),format,k,gref(getchar(prev)),gref(nextchar),injection or "injections")
+ end
+ return head,start,true
+ else
+ break
+ end
+ end
+ else
+ break
+ end
+ end
+ return head,start,false
+ end
+end
+function handlers.gpos_mark2base(head,start,dataset,sequence,markanchors,rlmode,skiphash)
+ local markchar=getchar(start)
+ if marks[markchar] then
+ local base=getprev(start)
+ if base then
+ local basechar=ischar(base,currentfont)
+ if basechar then
+ if marks[basechar] then
+ while base do
+ base=getprev(base)
+ if base then
+ basechar=ischar(base,currentfont)
+ if basechar then
+ if not marks[basechar] then
+ break
+ end
+ else
+ if trace_bugs then
+ logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),1)
+ end
+ return head,start,false
+ end
+ else
+ if trace_bugs then
+ logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),2)
+ end
+ return head,start,false
+ end
+ end
+ end
+ local ba=markanchors[1][basechar]
+ if ba then
+ local ma=markanchors[2]
+ local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],false,checkmarks)
+ if trace_marks then
+ logprocess("%s, bound %s, anchoring mark %s to basechar %s => (%p,%p)",
+ pref(dataset,sequence),bound,gref(markchar),gref(basechar),dx,dy)
+ end
+ return head,start,true
+ elseif trace_bugs then
+ logwarning("%s: mark %s is not anchored to %s",pref(dataset,sequence),gref(markchar),gref(basechar))
+ end
+ elseif trace_bugs then
+ logwarning("%s: nothing preceding, case %i",pref(dataset,sequence),1)
+ end
+ elseif trace_bugs then
+ logwarning("%s: nothing preceding, case %i",pref(dataset,sequence),2)
+ end
+ elseif trace_bugs then
+ logwarning("%s: mark %s is no mark",pref(dataset,sequence),gref(markchar))
+ end
+ return head,start,false
+end
+function handlers.gpos_mark2ligature(head,start,dataset,sequence,markanchors,rlmode,skiphash)
+ local markchar=getchar(start)
+ if marks[markchar] then
+ local base=getprev(start)
+ if base then
+ local basechar=ischar(base,currentfont)
+ if basechar then
+ if marks[basechar] then
+ while base do
+ base=getprev(base)
+ if base then
+ basechar=ischar(base,currentfont)
+ if basechar then
+ if not marks[basechar] then
+ break
+ end
+ else
+ if trace_bugs then
+ logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),1)
+ end
+ return head,start,false
+ end
+ else
+ if trace_bugs then
+ logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),2)
+ end
+ return head,start,false
+ end
+ end
+ end
+ local ba=markanchors[1][basechar]
+ if ba then
+ local ma=markanchors[2]
+ if ma then
+ local index=getligaindex(start)
+ ba=ba[index]
+ if ba then
+ local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],false,checkmarks)
+ if trace_marks then
+ logprocess("%s, index %s, bound %s, anchoring mark %s to baselig %s at index %s => (%p,%p)",
+ pref(dataset,sequence),index,bound,gref(markchar),gref(basechar),index,dx,dy)
+ end
+ return head,start,true
+ else
+ if trace_bugs then
+ logwarning("%s: no matching anchors for mark %s and baselig %s with index %a",pref(dataset,sequence),gref(markchar),gref(basechar),index)
+ end
+ end
+ end
+ elseif trace_bugs then
+ onetimemessage(currentfont,basechar,"no base anchors",report_fonts)
+ end
+ elseif trace_bugs then
+ logwarning("%s: prev node is no char, case %i",pref(dataset,sequence),1)
+ end
+ elseif trace_bugs then
+ logwarning("%s: prev node is no char, case %i",pref(dataset,sequence),2)
+ end
+ elseif trace_bugs then
+ logwarning("%s: mark %s is no mark",pref(dataset,sequence),gref(markchar))
+ end
+ return head,start,false
+end
+function handlers.gpos_mark2mark(head,start,dataset,sequence,markanchors,rlmode,skiphash)
+ local markchar=getchar(start)
+ if marks[markchar] then
+ local base=getprev(start)
+ local slc=getligaindex(start)
+ if slc then
+ while base do
+ local blc=getligaindex(base)
+ if blc and blc~=slc then
+ base=getprev(base)
+ else
+ break
+ end
+ end
+ end
+ if base then
+ local basechar=ischar(base,currentfont)
+ if basechar then
+ local ba=markanchors[1][basechar]
+ if ba then
+ local ma=markanchors[2]
+ local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],true,checkmarks)
+ if trace_marks then
+ logprocess("%s, bound %s, anchoring mark %s to basemark %s => (%p,%p)",
+ pref(dataset,sequence),bound,gref(markchar),gref(basechar),dx,dy)
+ end
+ return head,start,true
+ end
+ end
+ end
+ elseif trace_bugs then
+ logwarning("%s: mark %s is no mark",pref(dataset,sequence),gref(markchar))
+ end
+ return head,start,false
+end
+function handlers.gpos_cursive(head,start,dataset,sequence,exitanchors,rlmode,skiphash,step)
+ local startchar=getchar(start)
+ if marks[startchar] then
+ if trace_cursive then
+ logprocess("%s: ignoring cursive for mark %s",pref(dataset,sequence),gref(startchar))
+ end
+ else
+ local nxt=getnext(start)
+ while nxt do
+ local nextchar=ischar(nxt,currentfont)
+ if not nextchar then
+ break
+ elseif marks[nextchar] then
+ nxt=getnext(nxt)
+ else
+ local exit=exitanchors[3]
+ if exit then
+ local entry=exitanchors[1][nextchar]
+ if entry then
+ entry=entry[2]
+ if entry then
+ local r2lflag=sequence.flags[4]
+ local dx,dy,bound=setcursive(start,nxt,factor,rlmode,exit,entry,characters[startchar],characters[nextchar],r2lflag)
+ if trace_cursive then
+ logprocess("%s: moving %s to %s cursive (%p,%p) using bound %s in %s mode",pref(dataset,sequence),gref(startchar),gref(nextchar),dx,dy,bound,mref(rlmode))
+ end
+ return head,start,true
+ end
+ end
+ end
+ break
+ end
+ end
+ end
+ return head,start,false
+end
+local chainprocs={}
+local function logprocess(...)
+ if trace_steps then
+ registermessage(...)
+ if trace_steps=="silent" then
+ return
+ end
+ end
+ report_subchain(...)
+end
+local logwarning=report_subchain
+local function logprocess(...)
+ if trace_steps then
+ registermessage(...)
+ if trace_steps=="silent" then
+ return
+ end
+ end
+ report_chain(...)
+end
+local logwarning=report_chain
+local function reversesub(head,start,stop,dataset,sequence,replacements,rlmode,skiphash)
+ local char=getchar(start)
+ local replacement=replacements[char]
+ if replacement then
+ if trace_singles then
+ logprocess("%s: single reverse replacement of %s by %s",cref(dataset,sequence),gref(char),gref(replacement))
+ end
+ resetinjection(start)
+ setchar(start,replacement)
+ return head,start,true
+ else
+ return head,start,false
+ end
+end
+chainprocs.reversesub=reversesub
+local function reportzerosteps(dataset,sequence)
+ logwarning("%s: no steps",cref(dataset,sequence))
+end
+local function reportmoresteps(dataset,sequence)
+ logwarning("%s: more than 1 step",cref(dataset,sequence))
+end
+local function getmapping(dataset,sequence,currentlookup)
+ local steps=currentlookup.steps
+ local nofsteps=currentlookup.nofsteps
+ if nofsteps==0 then
+ reportzerosteps(dataset,sequence)
+ currentlookup.mapping=false
+ return false
+ else
+ if nofsteps>1 then
+ reportmoresteps(dataset,sequence)
+ end
+ local mapping=steps[1].coverage
+ currentlookup.mapping=mapping
+ currentlookup.format=steps[1].format
+ return mapping
+ end
+end
+function chainprocs.gsub_remove(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ if trace_chains then
+ logprocess("%s: removing character %s",cref(dataset,sequence,chainindex),gref(getchar(start)))
+ end
+ head,start=remove_node(head,start,true)
+ return head,getprev(start),true
+end
+function chainprocs.gsub_single(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ local mapping=currentlookup.mapping
+ if mapping==nil then
+ mapping=getmapping(dataset,sequence,currentlookup)
+ end
+ if mapping then
+ local current=start
+ while current do
+ local currentchar=ischar(current)
+ if currentchar then
+ local replacement=mapping[currentchar]
+ if not replacement or replacement=="" then
+ if trace_bugs then
+ logwarning("%s: no single for %s",cref(dataset,sequence,chainindex),gref(currentchar))
+ end
+ else
+ if trace_singles then
+ logprocess("%s: replacing single %s by %s",cref(dataset,sequence,chainindex),gref(currentchar),gref(replacement))
+ end
+ resetinjection(current)
+ setchar(current,replacement)
+ end
+ return head,start,true
+ elseif currentchar==false then
+ break
+ elseif current==stop then
+ break
+ else
+ current=getnext(current)
+ end
+ end
+ end
+ return head,start,false
+end
+function chainprocs.gsub_alternate(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ local mapping=currentlookup.mapping
+ if mapping==nil then
+ mapping=getmapping(dataset,sequence,currentlookup)
+ end
+ if mapping then
+ local kind=dataset[4]
+ local what=dataset[1]
+ local value=what==true and tfmdata.shared.features[kind] or what
+ local current=start
+ while current do
+ local currentchar=ischar(current)
+ if currentchar then
+ local alternatives=mapping[currentchar]
+ if alternatives then
+ local choice,comment=get_alternative_glyph(current,alternatives,value)
+ if choice then
+ if trace_alternatives then
+ logprocess("%s: replacing %s by alternative %a to %s, %s",cref(dataset,sequence),gref(currentchar),choice,gref(choice),comment)
+ end
+ resetinjection(start)
+ setchar(start,choice)
+ else
+ if trace_alternatives then
+ logwarning("%s: no variant %a for %s, %s",cref(dataset,sequence),value,gref(currentchar),comment)
+ end
+ end
+ end
+ return head,start,true
+ elseif currentchar==false then
+ break
+ elseif current==stop then
+ break
+ else
+ current=getnext(current)
+ end
+ end
+ end
+ return head,start,false
+end
+function chainprocs.gsub_multiple(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ local mapping=currentlookup.mapping
+ if mapping==nil then
+ mapping=getmapping(dataset,sequence,currentlookup)
+ end
+ if mapping then
+ local startchar=getchar(start)
+ local replacement=mapping[startchar]
+ if not replacement or replacement=="" then
+ if trace_bugs then
+ logwarning("%s: no multiple for %s",cref(dataset,sequence),gref(startchar))
+ end
+ else
+ if trace_multiples then
+ logprocess("%s: replacing %s by multiple characters %s",cref(dataset,sequence),gref(startchar),gref(replacement))
+ end
+ return multiple_glyphs(head,start,replacement,skiphash,dataset[1],stop)
+ end
+ end
+ return head,start,false
+end
+function chainprocs.gsub_ligature(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ local mapping=currentlookup.mapping
+ if mapping==nil then
+ mapping=getmapping(dataset,sequence,currentlookup)
+ end
+ if mapping then
+ local startchar=getchar(start)
+ local ligatures=mapping[startchar]
+ if not ligatures then
+ if trace_bugs then
+ logwarning("%s: no ligatures starting with %s",cref(dataset,sequence,chainindex),gref(startchar))
+ end
+ else
+ local hasmarks=marks[startchar]
+ local current=getnext(start)
+ local discfound=false
+ local last=stop
+ local nofreplacements=1
+ while current do
+ local id=getid(current)
+ if id==disc_code then
+ if not discfound then
+ discfound=current
+ end
+ if current==stop then
+ break
+ else
+ current=getnext(current)
+ end
+ else
+ local schar=getchar(current)
+ if skiphash and skiphash[schar] then
+ current=getnext(current)
+ else
+ local lg=ligatures[schar]
+ if lg then
+ ligatures=lg
+ last=current
+ nofreplacements=nofreplacements+1
+ if marks[char] then
+ hasmarks=true
+ end
+ if current==stop then
+ break
+ else
+ current=getnext(current)
+ end
+ else
+ break
+ end
+ end
+ end
+ end
+ local ligature=ligatures.ligature
+ if ligature then
+ if chainindex then
+ stop=last
+ end
+ if trace_ligatures then
+ if start==stop then
+ logprocess("%s: replacing character %s by ligature %s case 3",cref(dataset,sequence,chainindex),gref(startchar),gref(ligature))
+ else
+ logprocess("%s: replacing character %s upto %s by ligature %s case 4",cref(dataset,sequence,chainindex),gref(startchar),gref(getchar(stop)),gref(ligature))
+ end
+ end
+ head,start=toligature(head,start,stop,ligature,dataset,sequence,skiphash,discfound,hasmarks)
+ return head,start,true,nofreplacements,discfound
+ elseif trace_bugs then
+ if start==stop then
+ logwarning("%s: replacing character %s by ligature fails",cref(dataset,sequence,chainindex),gref(startchar))
+ else
+ logwarning("%s: replacing character %s upto %s by ligature fails",cref(dataset,sequence,chainindex),gref(startchar),gref(getchar(stop)))
+ end
+ end
+ end
+ end
+ return head,start,false,0,false
+end
+function chainprocs.gpos_single(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ local mapping=currentlookup.mapping
+ if mapping==nil then
+ mapping=getmapping(dataset,sequence,currentlookup)
+ end
+ if mapping then
+ local startchar=getchar(start)
+ local kerns=mapping[startchar]
+ if kerns then
+ local format=currentlookup.format
+ if format=="single" then
+ local dx,dy,w,h=setposition(0,start,factor,rlmode,kerns)
+ if trace_kerns then
+ logprocess("%s: shifting single %s by %s (%p,%p) and correction (%p,%p)",cref(dataset,sequence),gref(startchar),format,dx,dy,w,h)
+ end
+ else
+ local k=(format=="move" and setmove or setkern)(start,factor,rlmode,kerns,injection)
+ if trace_kerns then
+ logprocess("%s: shifting single %s by %s %p",cref(dataset,sequence),gref(startchar),format,k)
+ end
+ end
+ return head,start,true
+ end
+ end
+ return head,start,false
+end
+function chainprocs.gpos_pair(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ local mapping=currentlookup.mapping
+ if mapping==nil then
+ mapping=getmapping(dataset,sequence,currentlookup)
+ end
+ if mapping then
+ local snext=getnext(start)
+ if snext then
+ local startchar=getchar(start)
+ local kerns=mapping[startchar]
+ if kerns then
+ local prev=start
+ while snext do
+ local nextchar=ischar(snext,currentfont)
+ if not nextchar then
+ break
+ end
+ if skiphash and skiphash[nextchar] then
+ prev=snext
+ snext=getnext(snext)
+ else
+ local krn=kerns[nextchar]
+ if not krn then
+ break
+ end
+ local format=currentlookup.format
+ if format=="pair" then
+ local a,b=krn[1],krn[2]
+ if a==true then
+ elseif a then
+ local x,y,w,h=setposition(1,start,factor,rlmode,a,"injections")
+ if trace_kerns then
+ local startchar=getchar(start)
+ logprocess("%s: shifting first of pair %s and %s by (%p,%p) and correction (%p,%p)",cref(dataset,sequence),gref(startchar),gref(nextchar),x,y,w,h)
+ end
+ end
+ if b==true then
+ start=snext
+ elseif b then
+ local x,y,w,h=setposition(2,snext,factor,rlmode,b,"injections")
+ if trace_kerns then
+ local startchar=getchar(start)
+ logprocess("%s: shifting second of pair %s and %s by (%p,%p) and correction (%p,%p)",cref(dataset,sequence),gref(startchar),gref(nextchar),x,y,w,h)
+ end
+ start=snext
+ elseif forcepairadvance then
+ start=snext
+ end
+ return head,start,true
+ elseif krn~=0 then
+ local k=(format=="move" and setmove or setkern)(snext,factor,rlmode,krn)
+ if trace_kerns then
+ logprocess("%s: inserting %s %p between %s and %s",cref(dataset,sequence),format,k,gref(getchar(prev)),gref(nextchar))
+ end
+ return head,start,true
+ else
+ break
+ end
+ end
+ end
+ end
+ end
+ end
+ return head,start,false
+end
+function chainprocs.gpos_mark2base(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ local mapping=currentlookup.mapping
+ if mapping==nil then
+ mapping=getmapping(dataset,sequence,currentlookup)
+ end
+ if mapping then
+ local markchar=getchar(start)
+ if marks[markchar] then
+ local markanchors=mapping[markchar]
+ if markanchors then
+ local base=getprev(start)
+ if base then
+ local basechar=ischar(base,currentfont)
+ if basechar then
+ if marks[basechar] then
+ while base do
+ base=getprev(base)
+ if base then
+ local basechar=ischar(base,currentfont)
+ if basechar then
+ if not marks[basechar] then
+ break
+ end
+ else
+ if trace_bugs then
+ logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),1)
+ end
+ return head,start,false
+ end
+ else
+ if trace_bugs then
+ logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),2)
+ end
+ return head,start,false
+ end
+ end
+ end
+ local ba=markanchors[1][basechar]
+ if ba then
+ local ma=markanchors[2]
+ if ma then
+ local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],false,checkmarks)
+ if trace_marks then
+ logprocess("%s, bound %s, anchoring mark %s to basechar %s => (%p,%p)",
+ cref(dataset,sequence),bound,gref(markchar),gref(basechar),dx,dy)
+ end
+ return head,start,true
+ end
+ end
+ elseif trace_bugs then
+ logwarning("%s: prev node is no char, case %i",cref(dataset,sequence),1)
+ end
+ elseif trace_bugs then
+ logwarning("%s: prev node is no char, case %i",cref(dataset,sequence),2)
+ end
+ elseif trace_bugs then
+ logwarning("%s: mark %s has no anchors",cref(dataset,sequence),gref(markchar))
+ end
+ elseif trace_bugs then
+ logwarning("%s: mark %s is no mark",cref(dataset,sequence),gref(markchar))
+ end
+ end
+ return head,start,false
+end
+function chainprocs.gpos_mark2ligature(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ local mapping=currentlookup.mapping
+ if mapping==nil then
+ mapping=getmapping(dataset,sequence,currentlookup)
+ end
+ if mapping then
+ local markchar=getchar(start)
+ if marks[markchar] then
+ local markanchors=mapping[markchar]
+ if markanchors then
+ local base=getprev(start)
+ if base then
+ local basechar=ischar(base,currentfont)
+ if basechar then
+ if marks[basechar] then
+ while base do
+ base=getprev(base)
+ if base then
+ local basechar=ischar(base,currentfont)
+ if basechar then
+ if not marks[basechar] then
+ break
+ end
+ else
+ if trace_bugs then
+ logwarning("%s: no base for mark %s, case %i",cref(dataset,sequence),markchar,1)
+ end
+ return head,start,false
+ end
+ else
+ if trace_bugs then
+ logwarning("%s: no base for mark %s, case %i",cref(dataset,sequence),markchar,2)
+ end
+ return head,start,false
+ end
+ end
+ end
+ local ba=markanchors[1][basechar]
+ if ba then
+ local ma=markanchors[2]
+ if ma then
+ local index=getligaindex(start)
+ ba=ba[index]
+ if ba then
+ local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],false,checkmarks)
+ if trace_marks then
+ logprocess("%s, bound %s, anchoring mark %s to baselig %s at index %s => (%p,%p)",
+ cref(dataset,sequence),a or bound,gref(markchar),gref(basechar),index,dx,dy)
+ end
+ return head,start,true
+ end
+ end
+ end
+ elseif trace_bugs then
+ logwarning("%s, prev node is no char, case %i",cref(dataset,sequence),1)
+ end
+ elseif trace_bugs then
+ logwarning("%s, prev node is no char, case %i",cref(dataset,sequence),2)
+ end
+ elseif trace_bugs then
+ logwarning("%s, mark %s has no anchors",cref(dataset,sequence),gref(markchar))
+ end
+ elseif trace_bugs then
+ logwarning("%s, mark %s is no mark",cref(dataset,sequence),gref(markchar))
+ end
+ end
+ return head,start,false
+end
+function chainprocs.gpos_mark2mark(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ local mapping=currentlookup.mapping
+ if mapping==nil then
+ mapping=getmapping(dataset,sequence,currentlookup)
+ end
+ if mapping then
+ local markchar=getchar(start)
+ if marks[markchar] then
+ local markanchors=mapping[markchar]
+ if markanchors then
+ local base=getprev(start)
+ local slc=getligaindex(start)
+ if slc then
+ while base do
+ local blc=getligaindex(base)
+ if blc and blc~=slc then
+ base=getprev(base)
+ else
+ break
+ end
+ end
+ end
+ if base then
+ local basechar=ischar(base,currentfont)
+ if basechar then
+ local ba=markanchors[1][basechar]
+ if ba then
+ local ma=markanchors[2]
+ if ma then
+ local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],true,checkmarks)
+ if trace_marks then
+ logprocess("%s, bound %s, anchoring mark %s to basemark %s => (%p,%p)",
+ cref(dataset,sequence),bound,gref(markchar),gref(basechar),dx,dy)
+ end
+ return head,start,true
+ end
+ end
+ elseif trace_bugs then
+ logwarning("%s: prev node is no mark, case %i",cref(dataset,sequence),1)
+ end
+ elseif trace_bugs then
+ logwarning("%s: prev node is no mark, case %i",cref(dataset,sequence),2)
+ end
+ elseif trace_bugs then
+ logwarning("%s: mark %s has no anchors",cref(dataset,sequence),gref(markchar))
+ end
+ elseif trace_bugs then
+ logwarning("%s: mark %s is no mark",cref(dataset,sequence),gref(markchar))
+ end
+ end
+ return head,start,false
+end
+function chainprocs.gpos_cursive(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash,chainindex)
+ local mapping=currentlookup.mapping
+ if mapping==nil then
+ mapping=getmapping(dataset,sequence,currentlookup)
+ end
+ if mapping then
+ local startchar=getchar(start)
+ local exitanchors=mapping[startchar]
+ if exitanchors then
+ if marks[startchar] then
+ if trace_cursive then
+ logprocess("%s: ignoring cursive for mark %s",pref(dataset,sequence),gref(startchar))
+ end
+ else
+ local nxt=getnext(start)
+ while nxt do
+ local nextchar=ischar(nxt,currentfont)
+ if not nextchar then
+ break
+ elseif marks[nextchar] then
+ nxt=getnext(nxt)
+ else
+ local exit=exitanchors[3]
+ if exit then
+ local entry=exitanchors[1][nextchar]
+ if entry then
+ entry=entry[2]
+ if entry then
+ local r2lflag=sequence.flags[4]
+ local dx,dy,bound=setcursive(start,nxt,factor,rlmode,exit,entry,characters[startchar],characters[nextchar],r2lflag)
+ if trace_cursive then
+ logprocess("%s: moving %s to %s cursive (%p,%p) using bound %s in %s mode",pref(dataset,sequence),gref(startchar),gref(nextchar),dx,dy,bound,mref(rlmode))
+ end
+ return head,start,true
+ end
+ end
+ elseif trace_bugs then
+ onetimemessage(currentfont,startchar,"no entry anchors",report_fonts)
+ end
+ break
+ end
+ end
+ end
+ elseif trace_cursive and trace_details then
+ logprocess("%s, cursive %s is already done",pref(dataset,sequence),gref(getchar(start)),alreadydone)
+ end
+ end
+ return head,start,false
+end
+local function show_skip(dataset,sequence,char,ck,class)
+ logwarning("%s: skipping char %s, class %a, rule %a, lookuptype %a",cref(dataset,sequence),gref(char),class,ck[1],ck[8] or ck[2])
+end
+local userkern=nuts.pool and nuts.pool.newkern
+do if not userkern then
+ local thekern=nuts.new("kern",1)
+ local setkern=nuts.setkern
+ userkern=function(k)
+ local n=copy_node(thekern)
+ setkern(n,k)
+ return n
+ end
+end end
+local function checked(head)
+ local current=head
+ while current do
+ if getid(current)==glue_code then
+ local kern=userkern(getwidth(current))
+ if head==current then
+ local next=getnext(current)
+ if next then
+ setlink(kern,next)
+ end
+ flush_node(current)
+ head=kern
+ current=next
+ else
+ local prev,next=getboth(current)
+ setlink(prev,kern,next)
+ flush_node(current)
+ current=next
+ end
+ else
+ current=getnext(current)
+ end
+ end
+ return head
+end
+local function setdiscchecked(d,pre,post,replace)
+ if pre then pre=checked(pre) end
+ if post then post=checked(post) end
+ if replace then replace=checked(replace) end
+ setdisc(d,pre,post,replace)
+end
+local noflags={ false,false,false,false }
+local function chainrun(head,start,last,dataset,sequence,rlmode,skiphash,ck)
+ local size=ck[5]-ck[4]+1
+ local chainlookups=ck[6]
+ local done=false
+ if chainlookups then
+ if size==1 then
+ local chainlookup=chainlookups[1]
+ for j=1,#chainlookup do
+ local chainstep=chainlookup[j]
+ local chainkind=chainstep.type
+ local chainproc=chainprocs[chainkind]
+ if chainproc then
+ local ok
+ head,start,ok=chainproc(head,start,last,dataset,sequence,chainstep,rlmode,skiphash)
+ if ok then
+ done=true
+ end
+ else
+ logprocess("%s: %s is not yet supported (1)",cref(dataset,sequence),chainkind)
+ end
+ end
+ else
+ local i=1
+ local laststart=start
+ local nofchainlookups=#chainlookups
+ while start do
+ if skiphash then
+ while start do
+ local char=ischar(start,currentfont)
+ if char then
+ if skiphash and skiphash[char] then
+ start=getnext(start)
+ else
+ break
+ end
+ else
+ break
+ end
+ end
+ end
+ local chainlookup=chainlookups[i]
+ if chainlookup then
+ for j=1,#chainlookup do
+ local chainstep=chainlookup[j]
+ local chainkind=chainstep.type
+ local chainproc=chainprocs[chainkind]
+ if chainproc then
+ local ok,n
+ head,start,ok,n=chainproc(head,start,last,dataset,sequence,chainstep,rlmode,skiphash,i)
+ if ok then
+ done=true
+ if n and n>1 and i+n>nofchainlookups then
+ i=size
+ break
+ end
+ end
+ else
+ logprocess("%s: %s is not yet supported (2)",cref(dataset,sequence),chainkind)
+ end
+ end
+ else
+ end
+ i=i+1
+ if i>size or not start then
+ break
+ elseif start then
+ laststart=start
+ start=getnext(start)
+ end
+ end
+ if not start then
+ start=laststart
+ end
+ end
+ else
+ local replacements=ck[7]
+ if replacements then
+ head,start,done=reversesub(head,start,last,dataset,sequence,replacements,rlmode,skiphash)
+ else
+ done=true
+ if trace_contexts then
+ logprocess("%s: skipping match",cref(dataset,sequence))
+ end
+ end
+ end
+ return head,start,done
+end
+local function chaindisk(head,start,dataset,sequence,rlmode,skiphash,ck)
+ if not start then
+ return head,start,false
+ end
+ local startishead=start==head
+ local seq=ck[3]
+ local f=ck[4]
+ local l=ck[5]
+ local s=#seq
+ local done=false
+ local sweepnode=sweepnode
+ local sweeptype=sweeptype
+ local sweepoverflow=false
+ local keepdisc=not sweepnode
+ local lookaheaddisc=nil
+ local backtrackdisc=nil
+ local current=start
+ local last=start
+ local prev=getprev(start)
+ local hasglue=false
+ local i=f
+ while i<=l do
+ local id=getid(current)
+ if id==glyph_code then
+ i=i+1
+ last=current
+ current=getnext(current)
+ elseif id==glue_code then
+ i=i+1
+ last=current
+ current=getnext(current)
+ hasglue=true
+ elseif id==disc_code then
+ if keepdisc then
+ keepdisc=false
+ lookaheaddisc=current
+ local replace=getfield(current,"replace")
+ if not replace then
+ sweepoverflow=true
+ sweepnode=current
+ current=getnext(current)
+ else
+ while replace and i<=l do
+ if getid(replace)==glyph_code then
+ i=i+1
+ end
+ replace=getnext(replace)
+ end
+ current=getnext(replace)
+ end
+ last=current
+ else
+ head,current=flattendisk(head,current)
+ end
+ else
+ last=current
+ current=getnext(current)
+ end
+ if current then
+ elseif sweepoverflow then
+ break
+ elseif sweeptype=="post" or sweeptype=="replace" then
+ current=getnext(sweepnode)
+ if current then
+ sweeptype=nil
+ sweepoverflow=true
+ else
+ break
+ end
+ else
+ break
+ end
+ end
+ if sweepoverflow then
+ local prev=current and getprev(current)
+ if not current or prev~=sweepnode then
+ local head=getnext(sweepnode)
+ local tail=nil
+ if prev then
+ tail=prev
+ setprev(current,sweepnode)
+ else
+ tail=find_node_tail(head)
+ end
+ setnext(sweepnode,current)
+ setprev(head)
+ setnext(tail)
+ appenddisc(sweepnode,head)
+ end
+ end
+ if l<s then
+ local i=l
+ local t=sweeptype=="post" or sweeptype=="replace"
+ while current and i<s do
+ local id=getid(current)
+ if id==glyph_code then
+ i=i+1
+ current=getnext(current)
+ elseif id==glue_code then
+ i=i+1
+ current=getnext(current)
+ hasglue=true
+ elseif id==disc_code then
+ if keepdisc then
+ keepdisc=false
+ if notmatchpre[current]~=notmatchreplace[current] then
+ lookaheaddisc=current
+ end
+ local replace=getfield(current,"replace")
+ while replace and i<s do
+ if getid(replace)==glyph_code then
+ i=i+1
+ end
+ replace=getnext(replace)
+ end
+ current=getnext(current)
+ elseif notmatchpre[current]~=notmatchreplace[current] then
+ head,current=flattendisk(head,current)
+ else
+ current=getnext(current)
+ end
+ else
+ current=getnext(current)
+ end
+ if not current and t then
+ current=getnext(sweepnode)
+ if current then
+ sweeptype=nil
+ end
+ end
+ end
+ end
+ if f>1 then
+ local current=prev
+ local i=f
+ local t=sweeptype=="pre" or sweeptype=="replace"
+ if not current and t and current==checkdisk then
+ current=getprev(sweepnode)
+ end
+ while current and i>1 do
+ local id=getid(current)
+ if id==glyph_code then
+ i=i-1
+ elseif id==glue_code then
+ i=i-1
+ hasglue=true
+ elseif id==disc_code then
+ if keepdisc then
+ keepdisc=false
+ if notmatchpost[current]~=notmatchreplace[current] then
+ backtrackdisc=current
+ end
+ local replace=getfield(current,"replace")
+ while replace and i>1 do
+ if getid(replace)==glyph_code then
+ i=i-1
+ end
+ replace=getnext(replace)
+ end
+ elseif notmatchpost[current]~=notmatchreplace[current] then
+ head,current=flattendisk(head,current)
+ end
+ end
+ current=getprev(current)
+ if t and current==checkdisk then
+ current=getprev(sweepnode)
+ end
+ end
+ end
+ local done=false
+ if lookaheaddisc then
+ local cf=start
+ local cl=getprev(lookaheaddisc)
+ local cprev=getprev(start)
+ local insertedmarks=0
+ while cprev do
+ local char=ischar(cf,currentfont)
+ if char and marks[char] then
+ insertedmarks=insertedmarks+1
+ cf=cprev
+ startishead=cf==head
+ cprev=getprev(cprev)
+ else
+ break
+ end
+ end
+ setlink(cprev,lookaheaddisc)
+ setprev(cf)
+ setnext(cl)
+ if startishead then
+ head=lookaheaddisc
+ end
+ local pre,post,replace=getdisc(lookaheaddisc)
+ local new=copy_node_list(cf)
+ local cnew=new
+ if pre then
+ setlink(find_node_tail(cf),pre)
+ end
+ if replace then
+ local tail=find_node_tail(new)
+ setlink(tail,replace)
+ end
+ for i=1,insertedmarks do
+ cnew=getnext(cnew)
+ end
+ cl=start
+ local clast=cnew
+ for i=f,l do
+ cl=getnext(cl)
+ clast=getnext(clast)
+ end
+ if not notmatchpre[lookaheaddisc] then
+ local ok=false
+ cf,start,ok=chainrun(cf,start,cl,dataset,sequence,rlmode,skiphash,ck)
+ if ok then
+ done=true
+ end
+ end
+ if not notmatchreplace[lookaheaddisc] then
+ local ok=false
+ new,cnew,ok=chainrun(new,cnew,clast,dataset,sequence,rlmode,skiphash,ck)
+ if ok then
+ done=true
+ end
+ end
+ if hasglue then
+ setdiscchecked(lookaheaddisc,cf,post,new)
+ else
+ setdisc(lookaheaddisc,cf,post,new)
+ end
+ start=getprev(lookaheaddisc)
+ sweephead[cf]=getnext(clast) or false
+ sweephead[new]=getnext(cl) or false
+ elseif backtrackdisc then
+ local cf=getnext(backtrackdisc)
+ local cl=start
+ local cnext=getnext(start)
+ local insertedmarks=0
+ while cnext do
+ local char=ischar(cnext,currentfont)
+ if char and marks[char] then
+ insertedmarks=insertedmarks+1
+ cl=cnext
+ cnext=getnext(cnext)
+ else
+ break
+ end
+ end
+ setlink(backtrackdisc,cnext)
+ setprev(cf)
+ setnext(cl)
+ local pre,post,replace,pretail,posttail,replacetail=getdisc(backtrackdisc,true)
+ local new=copy_node_list(cf)
+ local cnew=find_node_tail(new)
+ for i=1,insertedmarks do
+ cnew=getprev(cnew)
+ end
+ local clast=cnew
+ for i=f,l do
+ clast=getnext(clast)
+ end
+ if not notmatchpost[backtrackdisc] then
+ local ok=false
+ cf,start,ok=chainrun(cf,start,last,dataset,sequence,rlmode,skiphash,ck)
+ if ok then
+ done=true
+ end
+ end
+ if not notmatchreplace[backtrackdisc] then
+ local ok=false
+ new,cnew,ok=chainrun(new,cnew,clast,dataset,sequence,rlmode,skiphash,ck)
+ if ok then
+ done=true
+ end
+ end
+ if post then
+ setlink(posttail,cf)
+ else
+ post=cf
+ end
+ if replace then
+ setlink(replacetail,new)
+ else
+ replace=new
+ end
+ if hasglue then
+ setdiscchecked(backtrackdisc,pre,post,replace)
+ else
+ setdisc(backtrackdisc,pre,post,replace)
+ end
+ start=getprev(backtrackdisc)
+ sweephead[post]=getnext(clast) or false
+ sweephead[replace]=getnext(last) or false
+ else
+ local ok=false
+ head,start,ok=chainrun(head,start,last,dataset,sequence,rlmode,skiphash,ck)
+ if ok then
+ done=true
+ end
+ end
+ return head,start,done
+end
+local function chaintrac(head,start,dataset,sequence,rlmode,skiphash,ck,match,discseen,sweepnode)
+ local rule=ck[1]
+ local lookuptype=ck[8] or ck[2]
+ local nofseq=#ck[3]
+ local first=ck[4]
+ local last=ck[5]
+ local char=getchar(start)
+ logwarning("%s: rule %s %s at char %s for (%s,%s,%s) chars, lookuptype %a, %sdisc seen, %ssweeping",
+ cref(dataset,sequence),rule,match and "matches" or "nomatch",
+ gref(char),first-1,last-first+1,nofseq-last,lookuptype,
+ discseen and "" or "no ",sweepnode and "" or "not ")
+end
+local function handle_contextchain(head,start,dataset,sequence,contexts,rlmode,skiphash)
+ local sweepnode=sweepnode
+ local sweeptype=sweeptype
+ local postreplace
+ local prereplace
+ local checkdisc
+ local discseen
+ if sweeptype then
+ if sweeptype=="replace" then
+ postreplace=true
+ prereplace=true
+ else
+ postreplace=sweeptype=="post"
+ prereplace=sweeptype=="pre"
+ end
+ checkdisc=getprev(head)
+ end
+ local currentfont=currentfont
+ local skipped
+ local startprev,
+ startnext=getboth(start)
+ local done
+ local nofcontexts=contexts.n
+ local startchar=nofcontext==1 or ischar(start,currentfont)
+ for k=1,nofcontexts do
+ local ck=contexts[k]
+ local seq=ck[3]
+ local f=ck[4]
+ if not startchar or not seq[f][startchar] then
+ goto next
+ end
+ local s=seq.n
+ local l=ck[5]
+ local current=start
+ local last=start
+ if l>f then
+ local discfound
+ local n=f+1
+ last=startnext
+ while n<=l do
+ if postreplace and not last then
+ last=getnext(sweepnode)
+ sweeptype=nil
+ end
+ if last then
+ local char,id=ischar(last,currentfont)
+ if char then
+ if skiphash and skiphash[char] then
+ skipped=true
+ if trace_skips then
+ show_skip(dataset,sequence,char,ck,classes[char])
+ end
+ last=getnext(last)
+ elseif seq[n][char] then
+ if n<l then
+ last=getnext(last)
+ end
+ n=n+1
+ elseif discfound then
+ notmatchreplace[discfound]=true
+ if notmatchpre[discfound] then
+ goto next
+ else
+ break
+ end
+ else
+ goto next
+ end
+ elseif char==false then
+ if discfound then
+ notmatchreplace[discfound]=true
+ if notmatchpre[discfound] then
+ goto next
+ else
+ break
+ end
+ else
+ goto next
+ end
+ elseif id==disc_code then
+ discseen=true
+ discfound=last
+ notmatchpre[last]=nil
+ notmatchpost[last]=true
+ notmatchreplace[last]=nil
+ local pre,post,replace=getdisc(last)
+ if pre then
+ local n=n
+ while pre do
+ if seq[n][getchar(pre)] then
+ n=n+1
+ if n>l then
+ break
+ end
+ pre=getnext(pre)
+ else
+ notmatchpre[last]=true
+ break
+ end
+ end
+ else
+ notmatchpre[last]=true
+ end
+ if replace then
+ while replace do
+ if seq[n][getchar(replace)] then
+ n=n+1
+ if n>l then
+ break
+ end
+ replace=getnext(replace)
+ else
+ notmatchreplace[last]=true
+ if notmatchpre[last] then
+ goto next
+ else
+ break
+ end
+ end
+ end
+ if notmatchpre[last] then
+ goto next
+ end
+ end
+ last=getnext(last)
+ else
+ goto next
+ end
+ else
+ goto next
+ end
+ end
+ end
+ if f>1 then
+ if startprev then
+ local prev=startprev
+ if prereplace and prev==checkdisc then
+ prev=getprev(sweepnode)
+ end
+ if prev then
+ local discfound
+ local n=f-1
+ while n>=1 do
+ if prev then
+ local char,id=ischar(prev,currentfont)
+ if char then
+ if skiphash and skiphash[char] then
+ skipped=true
+ if trace_skips then
+ show_skip(dataset,sequence,char,ck,classes[char])
+ end
+ prev=getprev(prev)
+ elseif seq[n][char] then
+ if n>1 then
+ prev=getprev(prev)
+ end
+ n=n-1
+ elseif discfound then
+ notmatchreplace[discfound]=true
+ if notmatchpost[discfound] then
+ goto next
+ else
+ break
+ end
+ else
+ goto next
+ end
+ elseif char==false then
+ if discfound then
+ notmatchreplace[discfound]=true
+ if notmatchpost[discfound] then
+ goto next
+ end
+ else
+ goto next
+ end
+ break
+ elseif id==disc_code then
+ discseen=true
+ discfound=prev
+ notmatchpre[prev]=true
+ notmatchpost[prev]=nil
+ notmatchreplace[prev]=nil
+ local pre,post,replace,pretail,posttail,replacetail=getdisc(prev,true)
+ if pre~=start and post~=start and replace~=start then
+ if post then
+ local n=n
+ while posttail do
+ if seq[n][getchar(posttail)] then
+ n=n-1
+ if posttail==post or n<1 then
+ break
+ else
+ posttail=getprev(posttail)
+ end
+ else
+ notmatchpost[prev]=true
+ break
+ end
+ end
+ if n>=1 then
+ notmatchpost[prev]=true
+ end
+ else
+ notmatchpost[prev]=true
+ end
+ if replace then
+ while replacetail do
+ if seq[n][getchar(replacetail)] then
+ n=n-1
+ if replacetail==replace or n<1 then
+ break
+ else
+ replacetail=getprev(replacetail)
+ end
+ else
+ notmatchreplace[prev]=true
+ if notmatchpost[prev] then
+ goto next
+ else
+ break
+ end
+ end
+ end
+ else
+ notmatchreplace[prev]=true
+ end
+ end
+ prev=getprev(prev)
+ elseif id==glue_code then
+ local sn=seq[n]
+ if (sn[32] and spaces[prev]) or sn[0xFFFC] then
+ n=n-1
+ prev=getprev(prev)
+ else
+ goto next
+ end
+ elseif seq[n][0xFFFC] then
+ n=n-1
+ prev=getprev(prev)
+ else
+ goto next
+ end
+ else
+ goto next
+ end
+ end
+ else
+ goto next
+ end
+ else
+ goto next
+ end
+ end
+ if s>l then
+ local current=last and getnext(last)
+ if not current and postreplace then
+ current=getnext(sweepnode)
+ end
+ if current then
+ local discfound
+ local n=l+1
+ while n<=s do
+ if current then
+ local char,id=ischar(current,currentfont)
+ if char then
+ if skiphash and skiphash[char] then
+ skipped=true
+ if trace_skips then
+ show_skip(dataset,sequence,char,ck,classes[char])
+ end
+ current=getnext(current)
+ elseif seq[n][char] then
+ if n<s then
+ current=getnext(current)
+ end
+ n=n+1
+ elseif discfound then
+ notmatchreplace[discfound]=true
+ if notmatchpre[discfound] then
+ goto next
+ else
+ break
+ end
+ else
+ goto next
+ end
+ elseif char==false then
+ if discfound then
+ notmatchreplace[discfound]=true
+ if notmatchpre[discfound] then
+ goto next
+ else
+ break
+ end
+ else
+ goto next
+ end
+ elseif id==disc_code then
+ discseen=true
+ discfound=current
+ notmatchpre[current]=nil
+ notmatchpost[current]=true
+ notmatchreplace[current]=nil
+ local pre,post,replace=getdisc(current)
+ if pre then
+ local n=n
+ while pre do
+ if seq[n][getchar(pre)] then
+ n=n+1
+ if n>s then
+ break
+ else
+ pre=getnext(pre)
+ end
+ else
+ notmatchpre[current]=true
+ break
+ end
+ end
+ if n<=s then
+ notmatchpre[current]=true
+ end
+ else
+ notmatchpre[current]=true
+ end
+ if replace then
+ while replace do
+ if seq[n][getchar(replace)] then
+ n=n+1
+ if n>s then
+ break
+ else
+ replace=getnext(replace)
+ end
+ else
+ notmatchreplace[current]=true
+ if notmatchpre[current] then
+ goto next
+ else
+ break
+ end
+ end
+ end
+ else
+ notmatchreplace[current]=true
+ end
+ current=getnext(current)
+ elseif id==glue_code then
+ local sn=seq[n]
+ if (sn[32] and spaces[current]) or sn[0xFFFC] then
+ n=n+1
+ current=getnext(current)
+ else
+ goto next
+ end
+ elseif seq[n][0xFFFC] then
+ n=n+1
+ current=getnext(current)
+ else
+ goto next
+ end
+ else
+ goto next
+ end
+ end
+ else
+ goto next
+ end
+ end
+ if trace_contexts then
+ chaintrac(head,start,dataset,sequence,rlmode,skipped and skiphash,ck,true,discseen,sweepnode)
+ end
+ if discseen or sweepnode then
+ head,start,done=chaindisk(head,start,dataset,sequence,rlmode,skipped and skiphash,ck)
+ else
+ head,start,done=chainrun(head,start,last,dataset,sequence,rlmode,skipped and skiphash,ck)
+ end
+ if done then
+ break
+ end
+ ::next::
+ end
+ if discseen then
+ notmatchpre={}
+ notmatchpost={}
+ notmatchreplace={}
+ end
+ return head,start,done
+end
+handlers.gsub_context=handle_contextchain
+handlers.gsub_contextchain=handle_contextchain
+handlers.gsub_reversecontextchain=handle_contextchain
+handlers.gpos_contextchain=handle_contextchain
+handlers.gpos_context=handle_contextchain
+local function chained_contextchain(head,start,stop,dataset,sequence,currentlookup,rlmode,skiphash)
+ local steps=currentlookup.steps
+ local nofsteps=currentlookup.nofsteps
+ if nofsteps>1 then
+ reportmoresteps(dataset,sequence)
+ end
+ local l=steps[1].coverage[getchar(start)]
+ if l then
+ return handle_contextchain(head,start,dataset,sequence,l,rlmode,skiphash)
+ else
+ return head,start,false
+ end
+end
+chainprocs.gsub_context=chained_contextchain
+chainprocs.gsub_contextchain=chained_contextchain
+chainprocs.gsub_reversecontextchain=chained_contextchain
+chainprocs.gpos_contextchain=chained_contextchain
+chainprocs.gpos_context=chained_contextchain
+local missing=setmetatableindex("table")
+local logwarning=report_process
+local resolved={}
+local function logprocess(...)
+ if trace_steps then
+ registermessage(...)
+ if trace_steps=="silent" then
+ return
+ end
+ end
+ report_process(...)
+end
+local sequencelists=setmetatableindex(function(t,font)
+ local sequences=fontdata[font].resources.sequences
+ if not sequences or not next(sequences) then
+ sequences=false
+ end
+ t[font]=sequences
+ return sequences
+end)
+do
+ local autofeatures=fonts.analyzers.features
+ local featuretypes=otf.tables.featuretypes
+ local defaultscript=otf.features.checkeddefaultscript
+ local defaultlanguage=otf.features.checkeddefaultlanguage
+ local wildcard="*"
+ local default="dflt"
+ local function initialize(sequence,script,language,enabled,autoscript,autolanguage)
+ local features=sequence.features
+ if features then
+ local order=sequence.order
+ if order then
+ local featuretype=featuretypes[sequence.type or "unknown"]
+ for i=1,#order do
+ local kind=order[i]
+ local valid=enabled[kind]
+ if valid then
+ local scripts=features[kind]
+ local languages=scripts and (
+ scripts[script] or
+ scripts[wildcard] or
+ (autoscript and defaultscript(featuretype,autoscript,scripts))
+ )
+ local enabled=languages and (
+ languages[language] or
+ languages[wildcard] or
+ (autolanguage and defaultlanguage(featuretype,autolanguage,languages))
+ )
+ if enabled then
+ return { valid,autofeatures[kind] or false,sequence,kind }
+ end
+ end
+ end
+ else
+ end
+ end
+ return false
+ end
+ function otf.dataset(tfmdata,font)
+ local shared=tfmdata.shared
+ local properties=tfmdata.properties
+ local language=properties.language or "dflt"
+ local script=properties.script or "dflt"
+ local enabled=shared.features
+ local autoscript=enabled and enabled.autoscript
+ local autolanguage=enabled and enabled.autolanguage
+ local res=resolved[font]
+ if not res then
+ res={}
+ resolved[font]=res
+ end
+ local rs=res[script]
+ if not rs then
+ rs={}
+ res[script]=rs
+ end
+ local rl=rs[language]
+ if not rl then
+ rl={
+ }
+ rs[language]=rl
+ local sequences=tfmdata.resources.sequences
+ if sequences then
+ for s=1,#sequences do
+ local v=enabled and initialize(sequences[s],script,language,enabled,autoscript,autolanguage)
+ if v then
+ rl[#rl+1]=v
+ end
+ end
+ end
+ end
+ return rl
+ end
+end
+local function report_disc(what,n)
+ report_run("%s: %s > %s",what,n,languages.serializediscretionary(n))
+end
+local function kernrun(disc,k_run,font,attr,...)
+ if trace_kernruns then
+ report_disc("kern",disc)
+ end
+ local prev,next=getboth(disc)
+ local nextstart=next
+ local done=false
+ local pre,post,replace,pretail,posttail,replacetail=getdisc(disc,true)
+ local prevmarks=prev
+ while prevmarks do
+ local char=ischar(prevmarks,font)
+ if char and marks[char] then
+ prevmarks=getprev(prevmarks)
+ else
+ break
+ end
+ end
+ if prev and not ischar(prev,font) then
+ prev=false
+ end
+ if next and not ischar(next,font) then
+ next=false
+ end
+ if pre then
+ if k_run(pre,"injections",nil,font,attr,...) then
+ done=true
+ end
+ if prev then
+ setlink(prev,pre)
+ if k_run(prevmarks,"preinjections",pre,font,attr,...) then
+ done=true
+ end
+ setprev(pre)
+ setlink(prev,disc)
+ end
+ end
+ if post then
+ if k_run(post,"injections",nil,font,attr,...) then
+ done=true
+ end
+ if next then
+ setlink(posttail,next)
+ if k_run(posttail,"postinjections",next,font,attr,...) then
+ done=true
+ end
+ setnext(posttail)
+ setlink(disc,next)
+ end
+ end
+ if replace then
+ if k_run(replace,"injections",nil,font,attr,...) then
+ done=true
+ end
+ if prev then
+ setlink(prev,replace)
+ if k_run(prevmarks,"replaceinjections",replace,font,attr,...) then
+ done=true
+ end
+ setprev(replace)
+ setlink(prev,disc)
+ end
+ if next then
+ setlink(replacetail,next)
+ if k_run(replacetail,"replaceinjections",next,font,attr,...) then
+ done=true
+ end
+ setnext(replacetail)
+ setlink(disc,next)
+ end
+ elseif prev and next then
+ setlink(prev,next)
+ if k_run(prevmarks,"emptyinjections",next,font,attr,...) then
+ done=true
+ end
+ setlink(prev,disc,next)
+ end
+ if done and trace_testruns then
+ report_disc("done",disc)
+ end
+ return nextstart,done
+end
+local function comprun(disc,c_run,...)
+ if trace_compruns then
+ report_disc("comp",disc)
+ end
+ local pre,post,replace=getdisc(disc)
+ local renewed=false
+ if pre then
+ sweepnode=disc
+ sweeptype="pre"
+ local new,done=c_run(pre,...)
+ if done then
+ pre=new
+ renewed=true
+ end
+ end
+ if post then
+ sweepnode=disc
+ sweeptype="post"
+ local new,done=c_run(post,...)
+ if done then
+ post=new
+ renewed=true
+ end
+ end
+ if replace then
+ sweepnode=disc
+ sweeptype="replace"
+ local new,done=c_run(replace,...)
+ if done then
+ replace=new
+ renewed=true
+ end
+ end
+ sweepnode=nil
+ sweeptype=nil
+ if renewed then
+ if trace_testruns then
+ report_disc("done",disc)
+ end
+ setdisc(disc,pre,post,replace)
+ end
+ return getnext(disc),renewed
+end
+local function testrun(disc,t_run,c_run,...)
+ if trace_testruns then
+ report_disc("test",disc)
+ end
+ local prev,next=getboth(disc)
+ if not next then
+ return
+ end
+ local pre,post,replace,pretail,posttail,replacetail=getdisc(disc,true)
+ local renewed=false
+ if (post or replace) and prev then
+ if post then
+ setlink(posttail,next)
+ else
+ post=next
+ end
+ if replace then
+ setlink(replacetail,next)
+ else
+ replace=next
+ end
+ local d_post=t_run(post,next,...)
+ local d_replace=t_run(replace,next,...)
+ if d_post>0 or d_replace>0 then
+ local d=d_replace>d_post and d_replace or d_post
+ local head=getnext(disc)
+ local tail=head
+ for i=1,d do
+ local nx=getnext(tail)
+ local id=getid(nx)
+ if id==disc_code then
+ head,tail=flattendisk(head,nx)
+ elseif id==glyph_code then
+ tail=nx
+ else
+ break
+ end
+ end
+ next=getnext(tail)
+ setnext(tail)
+ setprev(head)
+ local new=copy_node_list(head)
+ if posttail then
+ setlink(posttail,head)
+ else
+ post=head
+ end
+ if replacetail then
+ setlink(replacetail,new)
+ else
+ replace=new
+ end
+ else
+ if posttail then
+ setnext(posttail)
+ else
+ post=nil
+ end
+ if replacetail then
+ setnext(replacetail)
+ else
+ replace=nil
+ end
+ end
+ setlink(disc,next)
+ end
+ if trace_testruns then
+ report_disc("more",disc)
+ end
+ if pre then
+ sweepnode=disc
+ sweeptype="pre"
+ local new,ok=c_run(pre,...)
+ if ok then
+ pre=new
+ renewed=true
+ end
+ end
+ if post then
+ sweepnode=disc
+ sweeptype="post"
+ local new,ok=c_run(post,...)
+ if ok then
+ post=new
+ renewed=true
+ end
+ end
+ if replace then
+ sweepnode=disc
+ sweeptype="replace"
+ local new,ok=c_run(replace,...)
+ if ok then
+ replace=new
+ renewed=true
+ end
+ end
+ sweepnode=nil
+ sweeptype=nil
+ if renewed then
+ setdisc(disc,pre,post,replace)
+ if trace_testruns then
+ report_disc("done",disc)
+ end
+ end
+ return getnext(disc),renewed
+end
+local nesting=0
+local function c_run_single(head,font,attr,lookupcache,step,dataset,sequence,rlmode,skiphash,handler)
+ local done=false
+ local sweep=sweephead[head]
+ if sweep then
+ start=sweep
+ sweephead[head]=false
+ else
+ start=head
+ end
+ while start do
+ local char,id=ischar(start,font)
+ if char then
+ local a
+ if attr then
+ a=getattr(start,0)
+ end
+ if not a or (a==attr) then
+ local lookupmatch=lookupcache[char]
+ if lookupmatch then
+ local ok
+ head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,skiphash,step)
+ if ok then
+ done=true
+ end
+ end
+ if start then
+ start=getnext(start)
+ end
+ else
+ start=getnext(start)
+ end
+ elseif char==false then
+ return head,done
+ elseif sweep then
+ return head,done
+ else
+ start=getnext(start)
+ end
+ end
+ return head,done
+end
+local function t_run_single(start,stop,font,attr,lookupcache)
+ local lastd=nil
+ while start~=stop do
+ local char=ischar(start,font)
+ if char then
+ local a
+ if attr then
+ a=getattr(start,0)
+ end
+ local startnext=getnext(start)
+ if not a or (a==attr) then
+ local lookupmatch=lookupcache[char]
+ if lookupmatch then
+ local s=startnext
+ local ss=nil
+ local sstop=s==stop
+ if not s then
+ s=ss
+ ss=nil
+ end
+ while getid(s)==disc_code do
+ ss=getnext(s)
+ s=getfield(s,"replace")
+ if not s then
+ s=ss
+ ss=nil
+ end
+ end
+ local l=nil
+ local d=0
+ while s do
+ local char=ischar(s,font)
+ if char then
+ local lg=lookupmatch[char]
+ if lg then
+ if sstop then
+ d=1
+ elseif d>0 then
+ d=d+1
+ end
+ l=lg
+ s=getnext(s)
+ sstop=s==stop
+ if not s then
+ s=ss
+ ss=nil
+ end
+ while getid(s)==disc_code do
+ ss=getnext(s)
+ s=getfield(s,"replace")
+ if not s then
+ s=ss
+ ss=nil
+ end
+ end
+ else
+ break
+ end
+ else
+ break
+ end
+ end
+ if l and l.ligature then
+ lastd=d
+ end
+ else
+ end
+ else
+ end
+ if lastd then
+ return lastd
+ end
+ start=startnext
+ else
+ break
+ end
+ end
+ return 0
+end
+local function k_run_single(sub,injection,last,font,attr,lookupcache,step,dataset,sequence,rlmode,skiphash,handler)
+ local a
+ if attr then
+ a=getattr(sub,0)
+ end
+ if not a or (a==attr) then
+ for n in nextnode,sub do
+ if n==last then
+ break
+ end
+ local char=ischar(n)
+ if char then
+ local lookupmatch=lookupcache[char]
+ if lookupmatch then
+ local h,d,ok=handler(sub,n,dataset,sequence,lookupmatch,rlmode,skiphash,step,injection)
+ if ok then
+ return true
+ end
+ end
+ end
+ end
+ end
+end
+local function c_run_multiple(head,font,attr,steps,nofsteps,dataset,sequence,rlmode,skiphash,handler)
+ local done=false
+ local sweep=sweephead[head]
+ if sweep then
+ start=sweep
+ sweephead[head]=false
+ else
+ start=head
+ end
+ while start do
+ local char=ischar(start,font)
+ if char then
+ local a
+ if attr then
+ a=getattr(start,0)
+ end
+ if not a or (a==attr) then
+ for i=1,nofsteps do
+ local step=steps[i]
+ local lookupcache=step.coverage
+ local lookupmatch=lookupcache[char]
+ if lookupmatch then
+ local ok
+ head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,skiphash,step)
+ if ok then
+ done=true
+ break
+ elseif not start then
+ break
+ end
+ end
+ end
+ if start then
+ start=getnext(start)
+ end
+ else
+ start=getnext(start)
+ end
+ elseif char==false then
+ return head,done
+ elseif sweep then
+ return head,done
+ else
+ start=getnext(start)
+ end
+ end
+ return head,done
+end
+local function t_run_multiple(start,stop,font,attr,steps,nofsteps)
+ local lastd=nil
+ while start~=stop do
+ local char=ischar(start,font)
+ if char then
+ local a
+ if attr then
+ a=getattr(start,0)
+ end
+ local startnext=getnext(start)
+ if not a or (a==attr) then
+ for i=1,nofsteps do
+ local step=steps[i]
+ local lookupcache=step.coverage
+ local lookupmatch=lookupcache[char]
+ if lookupmatch then
+ local s=startnext
+ local ss=nil
+ local sstop=s==stop
+ if not s then
+ s=ss
+ ss=nil
+ end
+ while getid(s)==disc_code do
+ ss=getnext(s)
+ s=getfield(s,"replace")
+ if not s then
+ s=ss
+ ss=nil
+ end
+ end
+ local l=nil
+ local d=0
+ while s do
+ local char=ischar(s)
+ if char then
+ local lg=lookupmatch[char]
+ if lg then
+ if sstop then
+ d=1
+ elseif d>0 then
+ d=d+1
+ end
+ l=lg
+ s=getnext(s)
+ sstop=s==stop
+ if not s then
+ s=ss
+ ss=nil
+ end
+ while getid(s)==disc_code do
+ ss=getnext(s)
+ s=getfield(s,"replace")
+ if not s then
+ s=ss
+ ss=nil
+ end
+ end
+ else
+ break
+ end
+ else
+ break
+ end
+ end
+ if l and l.ligature then
+ lastd=d
+ end
+ end
+ end
+ else
+ end
+ if lastd then
+ return lastd
+ end
+ start=startnext
+ else
+ break
+ end
+ end
+ return 0
+end
+local function k_run_multiple(sub,injection,last,font,attr,steps,nofsteps,dataset,sequence,rlmode,skiphash,handler)
+ local a
+ if attr then
+ a=getattr(sub,0)
+ end
+ if not a or (a==attr) then
+ for n in nextnode,sub do
+ if n==last then
+ break
+ end
+ local char=ischar(n)
+ if char then
+ for i=1,nofsteps do
+ local step=steps[i]
+ local lookupcache=step.coverage
+ local lookupmatch=lookupcache[char]
+ if lookupmatch then
+ local h,d,ok=handler(sub,n,dataset,sequence,lookupmatch,rlmode,skiphash,step,injection)
+ if ok then
+ return true
+ end
+ end
+ end
+ end
+ end
+ end
+end
+local function txtdirstate(start,stack,top,rlparmode)
+ local nxt=getnext(start)
+ local dir=getdir(start)
+ if dir=="+TRT" then
+ top=top+1
+ stack[top]=dir
+ return nxt,top,-1
+ elseif dir=="+TLT" then
+ top=top+1
+ stack[top]=dir
+ return nxt,top,1
+ elseif dir=="-TRT" or dir=="-TLT" then
+ if top==1 then
+ return nxt,0,rlparmode
+ else
+ top=top-1
+ if stack[top]=="+TRT" then
+ return nxt,top,-1
+ else
+ return nxt,top,1
+ end
+ end
+ else
+ return nxt,top,rlparmode
+ end
+end
+local function pardirstate(start)
+ local nxt=getnext(start)
+ local dir=getdir(start)
+ if dir=="TLT" then
+ return nxt,1,1
+ elseif dir=="TRT" then
+ return nxt,-1,-1
+ else
+ return nxt,0,0
+ end
+end
+otf.helpers=otf.helpers or {}
+otf.helpers.txtdirstate=txtdirstate
+otf.helpers.pardirstate=pardirstate
+do
+ local fastdisc=true
+ local testdics=false
+ directives.register("otf.fastdisc",function(v) fastdisc=v end)
+ local otfdataset=nil
+ local getfastdisc={ __index=function(t,k)
+ local v=usesfont(k,currentfont)
+ t[k]=v
+ return v
+ end }
+ local getfastspace={ __index=function(t,k)
+ local v=isspace(k,threshold) or false
+ t[k]=v
+ return v
+ end }
+ function otf.featuresprocessor(head,font,attr,direction,n)
+ local sequences=sequencelists[font]
+ nesting=nesting+1
+ if nesting==1 then
+ currentfont=font
+ tfmdata=fontdata[font]
+ descriptions=tfmdata.descriptions
+ characters=tfmdata.characters
+ local resources=tfmdata.resources
+ marks=resources.marks
+ classes=resources.classes
+ threshold,
+ factor=getthreshold(font)
+ checkmarks=tfmdata.properties.checkmarks
+ if not otfdataset then
+ otfdataset=otf.dataset
+ end
+ discs=fastdisc and n and n>1 and setmetatable({},getfastdisc)
+ spaces=setmetatable({},getfastspace)
+ elseif currentfont~=font then
+ report_warning("nested call with a different font, level %s, quitting",nesting)
+ nesting=nesting-1
+ return head,false
+ end
+ if trace_steps then
+ checkstep(head)
+ end
+ local initialrl=direction=="TRT" and -1 or 0
+ local datasets=otfdataset(tfmdata,font,attr)
+ local dirstack={ nil }
+ sweephead={}
+ for s=1,#datasets do
+ local dataset=datasets[s]
+ local attribute=dataset[2]
+ local sequence=dataset[3]
+ local rlparmode=initialrl
+ local topstack=0
+ local typ=sequence.type
+ local gpossing=typ=="gpos_single" or typ=="gpos_pair"
+ local forcetestrun=typ=="gsub_ligature"
+ local handler=handlers[typ]
+ local steps=sequence.steps
+ local nofsteps=sequence.nofsteps
+ local skiphash=sequence.skiphash
+ if not steps then
+ local h,ok=handler(head,dataset,sequence,initialrl,font,attr)
+ if h and h~=head then
+ head=h
+ end
+ elseif typ=="gsub_reversecontextchain" then
+ local start=find_node_tail(head)
+ local rlmode=0
+ local merged=steps.merged
+ while start do
+ local char=ischar(start,font)
+ if char then
+ local m=merged[char]
+ if m then
+ local a
+ if attr then
+ a=getattr(start,0)
+ end
+ if not a or (a==attr) then
+ for i=m[1],m[2] do
+ local step=steps[i]
+ local lookupcache=step.coverage
+ local lookupmatch=lookupcache[char]
+ if lookupmatch then
+ local ok
+ head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,skiphash,step)
+ if ok then
+ break
+ end
+ end
+ end
+ if start then
+ start=getprev(start)
+ end
+ else
+ start=getprev(start)
+ end
+ else
+ start=getprev(start)
+ end
+ else
+ start=getprev(start)
+ end
+ end
+ else
+ local start=head
+ local rlmode=initialrl
+ if nofsteps==1 then
+ local step=steps[1]
+ local lookupcache=step.coverage
+ while start do
+ local char,id=ischar(start,font)
+ if char then
+ if skiphash and skiphash[char] then
+ start=getnext(start)
+ else
+ local lookupmatch=lookupcache[char]
+ if lookupmatch then
+ local a
+ if attr then
+ if getattr(start,0)==attr and (not attribute or getprop(start,a_state)==attribute) then
+ a=true
+ end
+ elseif not attribute or getprop(start,a_state)==attribute then
+ a=true
+ end
+ if a then
+ local ok
+ head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,skiphash,step)
+ if start then
+ start=getnext(start)
+ end
+ else
+ start=getnext(start)
+ end
+ else
+ start=getnext(start)
+ end
+ end
+ elseif char==false or id==glue_code then
+ start=getnext(start)
+ elseif id==disc_code then
+ if not discs or discs[start]==true then
+ local ok
+ if gpossing then
+ start,ok=kernrun(start,k_run_single,font,attr,lookupcache,step,dataset,sequence,rlmode,skiphash,handler)
+ elseif forcetestrun then
+ start,ok=testrun(start,t_run_single,c_run_single,font,attr,lookupcache,step,dataset,sequence,rlmode,skiphash,handler)
+ else
+ start,ok=comprun(start,c_run_single,font,attr,lookupcache,step,dataset,sequence,rlmode,skiphash,handler)
+ end
+ else
+ start=getnext(start)
+ end
+ elseif id==math_code then
+ start=getnext(end_of_math(start))
+ elseif id==dir_code then
+ start,topstack,rlmode=txtdirstate(start,dirstack,topstack,rlparmode)
+ elseif id==localpar_code then
+ start,rlparmode,rlmode=pardirstate(start)
+ else
+ start=getnext(start)
+ end
+ end
+ else
+ local merged=steps.merged
+ while start do
+ local char,id=ischar(start,font)
+ if char then
+ if skiphash and skiphash[char] then
+ start=getnext(start)
+ else
+ local m=merged[char]
+ if m then
+ local a
+ if attr then
+ if getattr(start,0)==attr and (not attribute or getprop(start,a_state)==attribute) then
+ a=true
+ end
+ elseif not attribute or getprop(start,a_state)==attribute then
+ a=true
+ end
+ if a then
+ for i=m[1],m[2] do
+ local step=steps[i]
+ local lookupcache=step.coverage
+ local lookupmatch=lookupcache[char]
+ if lookupmatch then
+ local ok
+ head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,skiphash,step)
+ if ok then
+ break
+ elseif not start then
+ break
+ end
+ end
+ end
+ if start then
+ start=getnext(start)
+ end
+ else
+ start=getnext(start)
+ end
+ else
+ start=getnext(start)
+ end
+ end
+ elseif char==false or id==glue_code then
+ start=getnext(start)
+ elseif id==disc_code then
+ if not discs or discs[start]==true then
+ local ok
+ if gpossing then
+ start,ok=kernrun(start,k_run_multiple,font,attr,steps,nofsteps,dataset,sequence,rlmode,skiphash,handler)
+ elseif forcetestrun then
+ start,ok=testrun(start,t_run_multiple,c_run_multiple,font,attr,steps,nofsteps,dataset,sequence,rlmode,skiphash,handler)
+ else
+ start,ok=comprun(start,c_run_multiple,font,attr,steps,nofsteps,dataset,sequence,rlmode,skiphash,handler)
+ end
+ else
+ start=getnext(start)
+ end
+ elseif id==math_code then
+ start=getnext(end_of_math(start))
+ elseif id==dir_code then
+ start,topstack,rlmode=txtdirstate(start,dirstack,topstack,rlparmode)
+ elseif id==localpar_code then
+ start,rlparmode,rlmode=pardirstate(start)
+ else
+ start=getnext(start)
+ end
+ end
+ end
+ end
+ if trace_steps then
+ registerstep(head)
+ end
+ end
+ nesting=nesting-1
+ return head
+ end
+ function otf.datasetpositionprocessor(head,font,direction,dataset)
+ currentfont=font
+ tfmdata=fontdata[font]
+ descriptions=tfmdata.descriptions
+ characters=tfmdata.characters
+ local resources=tfmdata.resources
+ marks=resources.marks
+ classes=resources.classes
+ threshold,
+ factor=getthreshold(font)
+ checkmarks=tfmdata.properties.checkmarks
+ if type(dataset)=="number" then
+ dataset=otfdataset(tfmdata,font,0)[dataset]
+ end
+ local sequence=dataset[3]
+ local typ=sequence.type
+ local handler=handlers[typ]
+ local steps=sequence.steps
+ local nofsteps=sequence.nofsteps
+ local done=false
+ local dirstack={ nil }
+ local start=head
+ local initialrl=direction=="TRT" and -1 or 0
+ local rlmode=initialrl
+ local rlparmode=initialrl
+ local topstack=0
+ local merged=steps.merged
+ local position=0
+ while start do
+ local char,id=ischar(start,font)
+ if char then
+ position=position+1
+ local m=merged[char]
+ if m then
+ if skiphash and skiphash[char] then
+ start=getnext(start)
+ else
+ for i=m[1],m[2] do
+ local step=steps[i]
+ local lookupcache=step.coverage
+ local lookupmatch=lookupcache[char]
+ if lookupmatch then
+ local ok
+ head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,skiphash,step)
+ if ok then
+ break
+ elseif not start then
+ break
+ end
+ end
+ end
+ if start then
+ start=getnext(start)
+ end
+ end
+ else
+ start=getnext(start)
+ end
+ elseif char==false or id==glue_code then
+ start=getnext(start)
+ elseif id==math_code then
+ start=getnext(end_of_math(start))
+ elseif id==dir_code then
+ start,topstack,rlmode=txtdirstate(start,dirstack,topstack,rlparmode)
+ elseif id==localpar_code then
+ start,rlparmode,rlmode=pardirstate(start)
+ else
+ start=getnext(start)
+ end
+ end
+ return head
+ end
+end
+local plugins={}
+otf.plugins=plugins
+local report=logs.reporter("fonts")
+function otf.registerplugin(name,f)
+ if type(name)=="string" and type(f)=="function" then
+ plugins[name]={ name,f }
+ report()
+ report("plugin %a has been loaded, please be aware of possible side effects",name)
+ report()
+ if logs.pushtarget then
+ logs.pushtarget("log")
+ end
+ report("Plugins are not officially supported unless stated otherwise. This is because")
+ report("they bypass the regular font handling and therefore some features in ConTeXt")
+ report("(especially those related to fonts) might not work as expected or might not work")
+ report("at all. Some plugins are for testing and development only and might change")
+ report("whenever we feel the need for it.")
+ report()
+ if logs.poptarget then
+ logs.poptarget()
+ end
+ end
+end
+function otf.plugininitializer(tfmdata,value)
+ if type(value)=="string" then
+ tfmdata.shared.plugin=plugins[value]
+ end
+end
+function otf.pluginprocessor(head,font,attr,direction)
+ local s=fontdata[font].shared
+ local p=s and s.plugin
+ if p then
+ if trace_plugins then
+ report_process("applying plugin %a",p[1])
+ end
+ return p[2](head,font,attr,direction)
+ else
+ return head,false
+ end
+end
+function otf.featuresinitializer(tfmdata,value)
+end
+registerotffeature {
+ name="features",
+ description="features",
+ default=true,
+ initializers={
+ position=1,
+ node=otf.featuresinitializer,
+ plug=otf.plugininitializer,
+ },
+ processors={
+ node=otf.featuresprocessor,
+ plug=otf.pluginprocessor,
+ }
+}
+otf.handlers=handlers
+local setspacekerns=nodes.injections.setspacekerns if not setspacekerns then os.exit() end
+local tag="kern"
+if fontfeatures then
+ function handlers.trigger_space_kerns(head,dataset,sequence,initialrl,font,attr)
+ local features=fontfeatures[font]
+ local enabled=features and features.spacekern and features[tag]
+ if enabled then
+ setspacekerns(font,sequence)
+ end
+ return head,enabled
+ end
+else
+ function handlers.trigger_space_kerns(head,dataset,sequence,initialrl,font,attr)
+ local shared=fontdata[font].shared
+ local features=shared and shared.features
+ local enabled=features and features.spacekern and features[tag]
+ if enabled then
+ setspacekerns(font,sequence)
+ end
+ return head,enabled
+ end
+end
+local function hasspacekerns(data)
+ local resources=data.resources
+ local sequences=resources.sequences
+ local validgpos=resources.features.gpos
+ if validgpos and sequences then
+ for i=1,#sequences do
+ local sequence=sequences[i]
+ local steps=sequence.steps
+ if steps and sequence.features[tag] then
+ local kind=sequence.type
+ if kind=="gpos_pair" or kind=="gpos_single" then
+ for i=1,#steps do
+ local step=steps[i]
+ local coverage=step.coverage
+ local rules=step.rules
+ if rules then
+ elseif not coverage then
+ elseif kind=="gpos_single" then
+ elseif kind=="gpos_pair" then
+ local format=step.format
+ if format=="move" or format=="kern" then
+ local kerns=coverage[32]
+ if kerns then
+ return true
+ end
+ for k,v in next,coverage do
+ if v[32] then
+ return true
+ end
+ end
+ elseif format=="pair" then
+ local kerns=coverage[32]
+ if kerns then
+ for k,v in next,kerns do
+ local one=v[1]
+ if one and one~=true then
+ return true
+ end
+ end
+ end
+ for k,v in next,coverage do
+ local kern=v[32]
+ if kern then
+ local one=kern[1]
+ if one and one~=true then
+ return true
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ return false
+end
+otf.readers.registerextender {
+ name="spacekerns",
+ action=function(data)
+ data.properties.hasspacekerns=hasspacekerns(data)
+ end
+}
+local function spaceinitializer(tfmdata,value)
+ local resources=tfmdata.resources
+ local spacekerns=resources and resources.spacekerns
+ if value and spacekerns==nil then
+ local rawdata=tfmdata.shared and tfmdata.shared.rawdata
+ local properties=rawdata.properties
+ if properties and properties.hasspacekerns then
+ local sequences=resources.sequences
+ local validgpos=resources.features.gpos
+ if validgpos and sequences then
+ local left={}
+ local right={}
+ local last=0
+ local feat=nil
+ for i=1,#sequences do
+ local sequence=sequences[i]
+ local steps=sequence.steps
+ if steps then
+ local kern=sequence.features[tag]
+ if kern then
+ local kind=sequence.type
+ if kind=="gpos_pair" or kind=="gpos_single" then
+ if feat then
+ for script,languages in next,kern do
+ local f=feat[script]
+ if f then
+ for l in next,languages do
+ f[l]=true
+ end
+ else
+ feat[script]=languages
+ end
+ end
+ else
+ feat=kern
+ end
+ for i=1,#steps do
+ local step=steps[i]
+ local coverage=step.coverage
+ local rules=step.rules
+ if rules then
+ elseif not coverage then
+ elseif kind=="gpos_single" then
+ elseif kind=="gpos_pair" then
+ local format=step.format
+ if format=="move" or format=="kern" then
+ local kerns=coverage[32]
+ if kerns then
+ for k,v in next,kerns do
+ right[k]=v
+ end
+ end
+ for k,v in next,coverage do
+ local kern=v[32]
+ if kern then
+ left[k]=kern
+ end
+ end
+ elseif format=="pair" then
+ local kerns=coverage[32]
+ if kerns then
+ for k,v in next,kerns do
+ local one=v[1]
+ if one and one~=true then
+ right[k]=one[3]
+ end
+ end
+ end
+ for k,v in next,coverage do
+ local kern=v[32]
+ if kern then
+ local one=kern[1]
+ if one and one~=true then
+ left[k]=one[3]
+ end
+ end
+ end
+ end
+ end
+ end
+ last=i
+ end
+ else
+ end
+ end
+ end
+ left=next(left) and left or false
+ right=next(right) and right or false
+ if left or right then
+ spacekerns={
+ left=left,
+ right=right,
+ }
+ if last>0 then
+ local triggersequence={
+ features={ [tag]=feat or { dflt={ dflt=true,} } },
+ flags=noflags,
+ name="trigger_space_kerns",
+ order={ tag },
+ type="trigger_space_kerns",
+ left=left,
+ right=right,
+ }
+ insert(sequences,last,triggersequence)
+ end
+ end
+ end
+ end
+ resources.spacekerns=spacekerns
+ end
+ return spacekerns
+end
+registerotffeature {
+ name="spacekern",
+ description="space kern injection",
+ default=true,
+ initializers={
+ node=spaceinitializer,
+ },
+}
+local function markinitializer(tfmdata,value)
+ local properties=tfmdata.properties
+ properties.checkmarks=value
+end
+registerotffeature {
+ name="checkmarks",
+ description="check mark widths",
+ default=true,
+ initializers={
+ node=markinitializer,
+ },
+}
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-osd']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Kai Eigner, TAT Zetwerk / Hans Hagen, PRAGMA ADE",
+ copyright="TAT Zetwerk / PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local insert,imerge,copy=table.insert,table.imerge,table.copy
+local next,type=next,type
+local report=logs.reporter("otf","devanagari")
+fonts=fonts or {}
+fonts.analyzers=fonts.analyzers or {}
+fonts.analyzers.methods=fonts.analyzers.methods or { node={ otf={} } }
+local otf=fonts.handlers.otf
+local handlers=otf.handlers
+local methods=fonts.analyzers.methods
+local otffeatures=fonts.constructors.features.otf
+local registerotffeature=otffeatures.register
+local nuts=nodes.nuts
+local getnext=nuts.getnext
+local getprev=nuts.getprev
+local getboth=nuts.getboth
+local getid=nuts.getid
+local getchar=nuts.getchar
+local getfont=nuts.getfont
+local getsubtype=nuts.getsubtype
+local setlink=nuts.setlink
+local setnext=nuts.setnext
+local setprev=nuts.setprev
+local setchar=nuts.setchar
+local getprop=nuts.getprop
+local setprop=nuts.setprop
+local ischar=nuts.is_char
+local insert_node_after=nuts.insert_after
+local copy_node=nuts.copy
+local remove_node=nuts.remove
+local flush_list=nuts.flush_list
+local flush_node=nuts.flush_node
+local copyinjection=nodes.injections.copy
+local unsetvalue=attributes.unsetvalue
+local fontdata=fonts.hashes.identifiers
+local a_state=attributes.private('state')
+local a_syllabe=attributes.private('syllabe')
+local dotted_circle=0x25CC
+local c_nbsp=0x00A0
+local c_zwnj=0x200C
+local c_zwj=0x200D
+local states=fonts.analyzers.states
+local s_rphf=states.rphf
+local s_half=states.half
+local s_pref=states.pref
+local s_blwf=states.blwf
+local s_pstf=states.pstf
+local replace_all_nbsp=nil
+replace_all_nbsp=function(head)
+ replace_all_nbsp=typesetters and typesetters.characters and typesetters.characters.replacenbspaces or function(head)
+ return head
+ end
+ return replace_all_nbsp(head)
+end
+local processcharacters=nil
+if context then
+
+--removed
+
+else
+ function processcharacters(head,font)
+ local processors=fontdata[font].shared.processes
+ for i=1,#processors do
+ head=processors[i](head,font,0)
+ end
+ return head
+ end
+end
+local indicgroups=characters and characters.indicgroups
+if not indicgroups and characters then
+ local indic={
+ c={},
+ i={},
+ d={},
+ m={},
+ s={},
+ o={},
+ }
+ local indicmarks={
+ l={},
+ t={},
+ b={},
+ r={},
+ s={},
+ }
+ local indicclasses={
+ nukta={},
+ halant={},
+ ra={},
+ anudatta={},
+ }
+ local indicorders={
+ bp={},
+ ap={},
+ bs={},
+ as={},
+ bh={},
+ ah={},
+ bm={},
+ am={},
+ }
+ for k,v in next,characters.data do
+ local i=v.indic
+ if i then
+ indic[i][k]=true
+ i=v.indicmark
+ if i then
+ if i=="s" then
+ local s=v.specials
+ indicmarks[i][k]={ s[2],s[3] }
+ else
+ indicmarks[i][k]=true
+ end
+ end
+ i=v.indicclass
+ if i then
+ indicclasses[i][k]=true
+ end
+ i=v.indicorder
+ if i then
+ indicorders[i][k]=true
+ end
+ end
+ end
+ indicgroups={
+ consonant=indic.c,
+ independent_vowel=indic.i,
+ dependent_vowel=indic.d,
+ vowel_modifier=indic.m,
+ stress_tone_mark=indic.s,
+ pre_mark=indicmarks.l,
+ above_mark=indicmarks.t,
+ below_mark=indicmarks.b,
+ post_mark=indicmarks.r,
+ twopart_mark=indicmarks.s,
+ nukta=indicclasses.nukta,
+ halant=indicclasses.halant,
+ ra=indicclasses.ra,
+ anudatta=indicclasses.anudatta,
+ before_postscript=indicorders.bp,
+ after_postscript=indicorders.ap,
+ before_half=indicorders.bh,
+ after_half=indicorders.ah,
+ before_subscript=indicorders.bs,
+ after_subscript=indicorders.as,
+ before_main=indicorders.bm,
+ after_main=indicorders.am,
+ }
+ indic=nil
+ indicmarks=nil
+ indicclasses=nil
+ indicorders=nil
+ characters.indicgroups=indicgroups
+end
+local consonant=indicgroups.consonant
+local independent_vowel=indicgroups.independent_vowel
+local dependent_vowel=indicgroups.dependent_vowel
+local vowel_modifier=indicgroups.vowel_modifier
+local stress_tone_mark=indicgroups.stress_tone_mark
+local pre_mark=indicgroups.pre_mark
+local above_mark=indicgroups.above_mark
+local below_mark=indicgroups.below_mark
+local post_mark=indicgroups.post_mark
+local twopart_mark=indicgroups.twopart_mark
+local nukta=indicgroups.nukta
+local halant=indicgroups.halant
+local ra=indicgroups.ra
+local anudatta=indicgroups.anudatta
+local before_postscript=indicgroups.before_postscript
+local after_postscript=indicgroups.after_postscript
+local before_half=indicgroups.before_half
+local after_half=indicgroups.after_half
+local before_subscript=indicgroups.before_subscript
+local after_subscript=indicgroups.after_subscript
+local before_main=indicgroups.before_main
+local after_main=indicgroups.after_main
+local mark_four=table.merged (
+ pre_mark,
+ above_mark,
+ below_mark,
+ post_mark
+)
+local mark_above_below_post=table.merged (
+ above_mark,
+ below_mark,
+ post_mark
+)
+local zw_char={
+ [c_zwnj]=true,
+ [c_zwj ]=true,
+}
+local dflt_true={
+ dflt=true
+}
+local two_defaults={
+ dev2=dflt_true,
+}
+local one_defaults={
+ dev2=dflt_true,
+ deva=dflt_true,
+}
+local false_flags={ false,false,false,false }
+local sequence_reorder_matras={
+ features={ dv01=two_defaults },
+ flags=false_flags,
+ name="dv01_reorder_matras",
+ order={ "dv01" },
+ type="devanagari_reorder_matras",
+ nofsteps=1,
+ steps={
+ {
+ coverage=pre_mark,
+ }
+ }
+}
+local sequence_reorder_reph={
+ features={ dv02=two_defaults },
+ flags=false_flags,
+ name="dv02_reorder_reph",
+ order={ "dv02" },
+ type="devanagari_reorder_reph",
+ nofsteps=1,
+ steps={
+ {
+ coverage={},
+ }
+ }
+}
+local sequence_reorder_pre_base_reordering_consonants={
+ features={ dv03=two_defaults },
+ flags=false_flags,
+ name="dv03_reorder_pre_base_reordering_consonants",
+ order={ "dv03" },
+ type="devanagari_reorder_pre_base_reordering_consonants",
+ nofsteps=1,
+ steps={
+ {
+ coverage={},
+ }
+ }
+}
+local sequence_remove_joiners={
+ features={ dv04=one_defaults },
+ flags=false_flags,
+ name="dv04_remove_joiners",
+ order={ "dv04" },
+ type="devanagari_remove_joiners",
+ nofsteps=1,
+ steps={
+ {
+ coverage=zw_char,
+ },
+ }
+}
+local basic_shaping_forms={
+ akhn=true,
+ blwf=true,
+ cjct=true,
+ half=true,
+ nukt=true,
+ pref=true,
+ pstf=true,
+ rkrf=true,
+ rphf=true,
+ vatu=true,
+}
+local valid={
+ abvs=true,
+ akhn=true,
+ blwf=true,
+ calt=true,
+ cjct=true,
+ half=true,
+ haln=true,
+ nukt=true,
+ pref=true,
+ pres=true,
+ pstf=true,
+ psts=true,
+ rkrf=true,
+ rphf=true,
+ vatu=true,
+ pres=true,
+ abvs=true,
+ blws=true,
+ psts=true,
+ haln=true,
+ calt=true,
+}
+local scripts={}
+local scripts_one={ "deva","mlym","beng","gujr","guru","knda","orya","taml","telu" }
+local scripts_two={ "dev2","mlm2","bng2","gjr2","gur2","knd2","ory2","tml2","tel2" }
+local nofscripts=#scripts_one
+for i=1,nofscripts do
+ local one=scripts_one[i]
+ local two=scripts_two[i]
+ scripts[one]=true
+ scripts[two]=true
+ two_defaults[one]=dflt_true
+ one_defaults[one]=dflt_true
+ one_defaults[two]=dflt_true
+end
+local function valid_one(s) for i=1,nofscripts do if s[scripts_one[i]] then return true end end end
+local function valid_two(s) for i=1,nofscripts do if s[scripts_two[i]] then return true end end end
+local function initializedevanagi(tfmdata)
+ local script,language=otf.scriptandlanguage(tfmdata,attr)
+ if scripts[script] then
+ local resources=tfmdata.resources
+ local devanagari=resources.devanagari
+ if not devanagari then
+ report("adding devanagari features to font")
+ local gsubfeatures=resources.features.gsub
+ local sequences=resources.sequences
+ local sharedfeatures=tfmdata.shared.features
+ local lastmatch=0
+ for s=1,#sequences do
+ local features=sequences[s].features
+ if features then
+ for k,v in next,features do
+ if basic_shaping_forms[k] then
+ lastmatch=s
+ end
+ end
+ end
+ end
+ local insertindex=lastmatch+1
+ gsubfeatures["dv01"]=two_defaults
+ gsubfeatures["dv02"]=two_defaults
+ gsubfeatures["dv03"]=two_defaults
+ gsubfeatures["dv04"]=one_defaults
+ local reorder_pre_base_reordering_consonants=copy(sequence_reorder_pre_base_reordering_consonants)
+ local reorder_reph=copy(sequence_reorder_reph)
+ local reorder_matras=copy(sequence_reorder_matras)
+ local remove_joiners=copy(sequence_remove_joiners)
+ insert(sequences,insertindex,reorder_pre_base_reordering_consonants)
+ insert(sequences,insertindex,reorder_reph)
+ insert(sequences,insertindex,reorder_matras)
+ insert(sequences,insertindex,remove_joiners)
+ local blwfcache={}
+ local seqsubset={}
+ local rephstep={
+ coverage={}
+ }
+ local devanagari={
+ reph=false,
+ vattu=false,
+ blwfcache=blwfcache,
+ seqsubset=seqsubset,
+ reorderreph=rephstep,
+ }
+ reorder_reph.steps={ rephstep }
+ local pre_base_reordering_consonants={}
+ reorder_pre_base_reordering_consonants.steps[1].coverage=pre_base_reordering_consonants
+ resources.devanagari=devanagari
+ for s=1,#sequences do
+ local sequence=sequences[s]
+ local steps=sequence.steps
+ local nofsteps=sequence.nofsteps
+ local features=sequence.features
+ local has_rphf=features.rphf
+ local has_blwf=features.blwf
+ if has_rphf and has_rphf.deva then
+ devanagari.reph=true
+ elseif has_blwf and has_blwf.deva then
+ devanagari.vattu=true
+ for i=1,nofsteps do
+ local step=steps[i]
+ local coverage=step.coverage
+ if coverage then
+ for k,v in next,coverage do
+ if not blwfcache[k] then
+ blwfcache[k]=v
+ end
+ end
+ end
+ end
+ end
+ for kind,spec in next,features do
+ if valid[kind] and valid_two(spec)then
+ for i=1,nofsteps do
+ local step=steps[i]
+ local coverage=step.coverage
+ if coverage then
+ local reph=false
+ if kind=="rphf" then
+ for k,v in next,ra do
+ local r=coverage[k]
+ if r then
+ local h=false
+ for k,v in next,halant do
+ local h=r[k]
+ if h then
+ reph=h.ligature or false
+ break
+ end
+ end
+ if reph then
+ break
+ end
+ end
+ end
+ end
+ seqsubset[#seqsubset+1]={ kind,coverage,reph }
+ end
+ end
+ end
+ if kind=="pref" then
+ local steps=sequence.steps
+ local nofsteps=sequence.nofsteps
+ for i=1,nofsteps do
+ local step=steps[i]
+ local coverage=step.coverage
+ if coverage then
+ for k,v in next,halant do
+ local h=coverage[k]
+ if h then
+ local found=false
+ for k,v in next,h do
+ found=v and v.ligature
+ if found then
+ pre_base_reordering_consonants[k]=found
+ break
+ end
+ end
+ if found then
+ break
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ if script=="deva" then
+ sharedfeatures["dv04"]=true
+ elseif script=="dev2" then
+ sharedfeatures["dv01"]=true
+ sharedfeatures["dv02"]=true
+ sharedfeatures["dv03"]=true
+ sharedfeatures["dv04"]=true
+ elseif script=="mlym" then
+ sharedfeatures["pstf"]=true
+ elseif script=="mlm2" then
+ sharedfeatures["pstf"]=true
+ sharedfeatures["pref"]=true
+ sharedfeatures["dv03"]=true
+ gsubfeatures ["dv03"]=two_defaults
+ insert(sequences,insertindex,sequence_reorder_pre_base_reordering_consonants)
+ elseif script=="taml" then
+ sharedfeatures["dv04"]=true
+sharedfeatures["pstf"]=true
+ elseif script=="tml2" then
+ else
+ report("todo: enable the right features for script %a",script)
+ end
+ end
+ end
+end
+registerotffeature {
+ name="devanagari",
+ description="inject additional features",
+ default=true,
+ initializers={
+ node=initializedevanagi,
+ },
+}
+local show_syntax_errors=false
+local function inject_syntax_error(head,current,char)
+ local signal=copy_node(current)
+ copyinjection(signal,current)
+ if pre_mark[char] then
+ setchar(signal,dotted_circle)
+ else
+ setchar(current,dotted_circle)
+ end
+ return insert_node_after(head,current,signal)
+end
+local function initialize_one(font,attr)
+ local tfmdata=fontdata[font]
+ local datasets=otf.dataset(tfmdata,font,attr)
+ local devanagaridata=datasets.devanagari
+ if not devanagaridata then
+ devanagaridata={
+ reph=false,
+ vattu=false,
+ blwfcache={},
+ }
+ datasets.devanagari=devanagaridata
+ local resources=tfmdata.resources
+ local devanagari=resources.devanagari
+ for s=1,#datasets do
+ local dataset=datasets[s]
+ if dataset and dataset[1] then
+ local kind=dataset[4]
+ if kind=="rphf" then
+ devanagaridata.reph=true
+ elseif kind=="blwf" then
+ devanagaridata.vattu=true
+ devanagaridata.blwfcache=devanagari.blwfcache
+ end
+ end
+ end
+ end
+ return devanagaridata.reph,devanagaridata.vattu,devanagaridata.blwfcache
+end
+local function reorder_one(head,start,stop,font,attr,nbspaces)
+ local reph,vattu,blwfcache=initialize_one(font,attr)
+ local current=start
+ local n=getnext(start)
+ local base=nil
+ local firstcons=nil
+ local lastcons=nil
+ local basefound=false
+ if reph and ra[getchar(start)] and halant[getchar(n)] then
+ if n==stop then
+ return head,stop,nbspaces
+ end
+ if getchar(getnext(n))==c_zwj then
+ current=start
+ else
+ current=getnext(n)
+ setprop(start,a_state,s_rphf)
+ end
+ end
+ if getchar(current)==c_nbsp then
+ if current==stop then
+ stop=getprev(stop)
+ head=remove_node(head,current)
+ flush_node(current)
+ return head,stop,nbspaces
+ else
+ nbspaces=nbspaces+1
+ base=current
+ firstcons=current
+ lastcons=current
+ current=getnext(current)
+ if current~=stop then
+ local char=getchar(current)
+ if nukta[char] then
+ current=getnext(current)
+ char=getchar(current)
+ end
+ if char==c_zwj and current~=stop then
+ local next=getnext(current)
+ if next~=stop and halant[getchar(next)] then
+ current=next
+ next=getnext(current)
+ local tmp=next and getnext(next) or nil
+ local changestop=next==stop
+ local tempcurrent=copy_node(next)
+ copyinjection(tempcurrent,next)
+ local nextcurrent=copy_node(current)
+ copyinjection(nextcurrent,current)
+ setlink(tempcurrent,nextcurrent)
+ setprop(tempcurrent,a_state,s_blwf)
+ tempcurrent=processcharacters(tempcurrent,font)
+ setprop(tempcurrent,a_state,unsetvalue)
+ if getchar(next)==getchar(tempcurrent) then
+ flush_list(tempcurrent)
+ if show_syntax_errors then
+ head,current=inject_syntax_error(head,current,char)
+ end
+ else
+ setchar(current,getchar(tempcurrent))
+ local freenode=getnext(current)
+ setlink(current,tmp)
+ flush_node(freenode)
+ flush_list(tempcurrent)
+ if changestop then
+ stop=current
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ while not basefound do
+ local char=getchar(current)
+ if consonant[char] then
+ setprop(current,a_state,s_half)
+ if not firstcons then
+ firstcons=current
+ end
+ lastcons=current
+ if not base then
+ base=current
+ elseif blwfcache[char] then
+ setprop(current,a_state,s_blwf)
+ else
+ base=current
+ end
+ end
+ basefound=current==stop
+ current=getnext(current)
+ end
+ if base~=lastcons then
+ local np=base
+ local n=getnext(base)
+ local ch=getchar(n)
+ if nukta[ch] then
+ np=n
+ n=getnext(n)
+ ch=getchar(n)
+ end
+ if halant[ch] then
+ if lastcons~=stop then
+ local ln=getnext(lastcons)
+ if nukta[getchar(ln)] then
+ lastcons=ln
+ end
+ end
+ local nn=getnext(n)
+ local ln=getnext(lastcons)
+ setlink(np,nn)
+ setnext(lastcons,n)
+ if ln then
+ setprev(ln,n)
+ end
+ setnext(n,ln)
+ setprev(n,lastcons)
+ if lastcons==stop then
+ stop=n
+ end
+ end
+ end
+ n=getnext(start)
+ if n~=stop and ra[getchar(start)] and halant[getchar(n)] and not zw_char[getchar(getnext(n))] then
+ local matra=base
+ if base~=stop then
+ local next=getnext(base)
+ if dependent_vowel[getchar(next)] then
+ matra=next
+ end
+ end
+ local sp=getprev(start)
+ local nn=getnext(n)
+ local mn=getnext(matra)
+ setlink(sp,nn)
+ setlink(matra,start)
+ setlink(n,mn)
+ if head==start then
+ head=nn
+ end
+ start=nn
+ if matra==stop then
+ stop=n
+ end
+ end
+ local current=start
+ while current~=stop do
+ local next=getnext(current)
+ if next~=stop and halant[getchar(next)] and getchar(getnext(next))==c_zwnj then
+ setprop(current,a_state,unsetvalue)
+ end
+ current=next
+ end
+ if base~=stop and getprop(base,a_state) then
+ local next=getnext(base)
+ if halant[getchar(next)] and not (next~=stop and getchar(getnext(next))==c_zwj) then
+ setprop(base,a_state,unsetvalue)
+ end
+ end
+ local current,allreordered,moved=start,false,{ [base]=true }
+ local a,b,p,bn=base,base,base,getnext(base)
+ if base~=stop and nukta[getchar(bn)] then
+ a,b,p=bn,bn,bn
+ end
+ while not allreordered do
+ local c=current
+ local n=getnext(current)
+ local l=nil
+ if c~=stop then
+ local ch=getchar(n)
+ if nukta[ch] then
+ c=n
+ n=getnext(n)
+ ch=getchar(n)
+ end
+ if c~=stop then
+ if halant[ch] then
+ c=n
+ n=getnext(n)
+ ch=getchar(n)
+ end
+ while c~=stop and dependent_vowel[ch] do
+ c=n
+ n=getnext(n)
+ ch=getchar(n)
+ end
+ if c~=stop then
+ if vowel_modifier[ch] then
+ c=n
+ n=getnext(n)
+ ch=getchar(n)
+ end
+ if c~=stop and stress_tone_mark[ch] then
+ c=n
+ n=getnext(n)
+ end
+ end
+ end
+ end
+ local bp=getprev(firstcons)
+ local cn=getnext(current)
+ local last=getnext(c)
+ while cn~=last do
+ if pre_mark[getchar(cn)] then
+ if bp then
+ setnext(bp,cn)
+ end
+ local prev,next=getboth(cn)
+ if next then
+ setprev(next,prev)
+ end
+ setnext(prev,next)
+ if cn==stop then
+ stop=prev
+ end
+ setprev(cn,bp)
+ setlink(cn,firstcons)
+ if firstcons==start then
+ if head==start then
+ head=cn
+ end
+ start=cn
+ end
+ break
+ end
+ cn=getnext(cn)
+ end
+ allreordered=c==stop
+ current=getnext(c)
+ end
+ if reph or vattu then
+ local current,cns=start,nil
+ while current~=stop do
+ local c=current
+ local n=getnext(current)
+ if ra[getchar(current)] and halant[getchar(n)] then
+ c=n
+ n=getnext(n)
+ local b,bn=base,base
+ while bn~=stop do
+ local next=getnext(bn)
+ if dependent_vowel[getchar(next)] then
+ b=next
+ end
+ bn=next
+ end
+ if getprop(current,a_state)==s_rphf then
+ if b~=current then
+ if current==start then
+ if head==start then
+ head=n
+ end
+ start=n
+ end
+ if b==stop then
+ stop=c
+ end
+ local prev=getprev(current)
+ setlink(prev,n)
+ local next=getnext(b)
+ setlink(c,next)
+ setlink(b,current)
+ end
+ elseif cns and getnext(cns)~=current then
+ local cp=getprev(current)
+ local cnsn=getnext(cns)
+ setlink(cp,n)
+ setlink(cns,current)
+ setlink(c,cnsn)
+ if c==stop then
+ stop=cp
+ break
+ end
+ current=getprev(n)
+ end
+ else
+ local char=getchar(current)
+ if consonant[char] then
+ cns=current
+ local next=getnext(cns)
+ if halant[getchar(next)] then
+ cns=next
+ end
+ elseif char==c_nbsp then
+ nbspaces=nbspaces+1
+ cns=current
+ local next=getnext(cns)
+ if halant[getchar(next)] then
+ cns=next
+ end
+ end
+ end
+ current=getnext(current)
+ end
+ end
+ if getchar(base)==c_nbsp then
+ nbspaces=nbspaces-1
+ head=remove_node(head,base)
+ flush_node(base)
+ end
+ return head,stop,nbspaces
+end
+function handlers.devanagari_reorder_matras(head,start)
+ local current=start
+ local startfont=getfont(start)
+ local startattr=getprop(start,a_syllabe)
+ while current do
+ local char=ischar(current,startfont)
+ local next=getnext(current)
+ if char and getprop(current,a_syllabe)==startattr then
+ if halant[char] and not getprop(current,a_state) then
+ if next then
+ local char=ischar(next,startfont)
+ if char and zw_char[char] and getprop(next,a_syllabe)==startattr then
+ current=next
+ next=getnext(current)
+ end
+ end
+ local startnext=getnext(start)
+ head=remove_node(head,start)
+ setlink(start,next)
+ setlink(current,start)
+ start=startnext
+ break
+ end
+ else
+ break
+ end
+ current=next
+ end
+ return head,start,true
+end
+function handlers.devanagari_reorder_reph(head,start)
+ local current=getnext(start)
+ local startnext=nil
+ local startprev=nil
+ local startfont=getfont(start)
+ local startattr=getprop(start,a_syllabe)
+ ::step_1::
+ ::step_2::
+ while current do
+ local char=ischar(current,startfont)
+ if char and getprop(current,a_syllabe)==startattr then
+ if halant[char] and not getprop(current,a_state) then
+ local next=getnext(current)
+ if next then
+ local nextchar=ischar(next,startfont)
+ if nextchar and zw_char[nextchar] and getprop(next,a_syllabe)==startattr then
+ current=next
+ next=getnext(current)
+ end
+ end
+ startnext=getnext(start)
+ head=remove_node(head,start)
+ setlink(start,next)
+ setlink(current,start)
+ start=startnext
+ startattr=getprop(start,a_syllabe)
+ break
+ end
+ current=getnext(current)
+ else
+ break
+ end
+ end
+ ::step_3::
+ ::step_4::
+ if not startnext then
+ current=getnext(start)
+ while current do
+ local char=ischar(current,startfont)
+ if char and getprop(current,a_syllabe)==startattr then
+ if getprop(current,a_state)==s_pstf then
+ startnext=getnext(start)
+ head=remove_node(head,start)
+ setlink(getprev(current),start)
+ setlink(start,current)
+ start=startnext
+ startattr=getprop(start,a_syllabe)
+ break
+ end
+ current=getnext(current)
+ else
+ break
+ end
+ end
+ end
+ ::step_5::
+ if not startnext then
+ current=getnext(start)
+ local c=nil
+ while current do
+ local char=ischar(current,startfont)
+ if char and getprop(current,a_syllabe)==startattr then
+ if not c and mark_above_below_post[char] and not after_subscript[char] then
+ c=current
+ end
+ current=getnext(current)
+ else
+ break
+ end
+ end
+ if c then
+ startnext=getnext(start)
+ head=remove_node(head,start)
+ setlink(getprev(c),start)
+ setlink(start,c)
+ start=startnext
+ startattr=getprop(start,a_syllabe)
+ end
+ end
+ ::step_6::
+ if not startnext then
+ current=start
+ local next=getnext(current)
+ while next do
+ local nextchar=ischar(next,startfont)
+ if nextchar and getprop(next,a_syllabe)==startattr then
+ current=next
+ next=getnext(current)
+ else
+ break
+ end
+ end
+ if start~=current then
+ startnext=getnext(start)
+ head=remove_node(head,start)
+ setlink(start,getnext(current))
+ setlink(current,start)
+ start=startnext
+ end
+ end
+ return head,start,true
+end
+function handlers.devanagari_reorder_pre_base_reordering_consonants(head,start)
+ local current=start
+ local startnext=nil
+ local startprev=nil
+ local startfont=getfont(start)
+ local startattr=getprop(start,a_syllabe)
+ while current do
+ local char=ischar(current,startfont)
+ if char and getprop(current,a_syllabe)==startattr then
+ local next=getnext(current)
+ if halant[char] and not getprop(current,a_state) then
+ if next then
+ local nextchar=ischar(next,startfont)
+ if nextchar and getprop(next,a_syllabe)==startattr then
+ if nextchar==c_zwnj or nextchar==c_zwj then
+ current=next
+ next=getnext(current)
+ end
+ end
+ end
+ startnext=getnext(start)
+ removenode(start,start)
+ setlink(start,next)
+ setlink(current,start)
+ start=startnext
+ break
+ end
+ current=next
+ else
+ break
+ end
+ end
+ if not startnext then
+ current=getnext(start)
+ startattr=getprop(start,a_syllabe)
+ while current do
+ local char=ischar(current,startfont)
+ if char and getprop(current,a_syllabe)==startattr then
+ if not consonant[char] and getprop(current,a_state) then
+ startnext=getnext(start)
+ removenode(start,start)
+ setlink(getprev(current),start)
+ setlink(start,current)
+ start=startnext
+ break
+ end
+ current=getnext(current)
+ else
+ break
+ end
+ end
+ end
+ return head,start,true
+end
+function handlers.devanagari_remove_joiners(head,start,kind,lookupname,replacement)
+ local stop=getnext(start)
+ local font=getfont(start)
+ local last=start
+ while stop do
+ local char=ischar(stop,font)
+ if char and (char==c_zwnj or char==c_zwj) then
+ last=stop
+ stop=getnext(stop)
+ else
+ break
+ end
+ end
+ local prev=getprev(start)
+ if stop then
+ setnext(last)
+ setlink(prev,stop)
+ elseif prev then
+ setnext(prev)
+ end
+ if head==start then
+ head=stop
+ end
+ flush_list(start)
+ return head,stop,true
+end
+local function initialize_two(font,attr)
+ local devanagari=fontdata[font].resources.devanagari
+ if devanagari then
+ return devanagari.seqsubset or {},devanagari.reorderreph or {}
+ else
+ return {},{}
+ end
+end
+local function reorder_two(head,start,stop,font,attr,nbspaces)
+ local seqsubset,reorderreph=initialize_two(font,attr)
+ local reph=false
+ local halfpos=nil
+ local basepos=nil
+ local subpos=nil
+ local postpos=nil
+ local locl={}
+ for i=1,#seqsubset do
+ local subset=seqsubset[i]
+ local kind=subset[1]
+ local lookupcache=subset[2]
+ if kind=="rphf" then
+ reph=subset[3]
+ local current=start
+ local last=getnext(stop)
+ while current~=last do
+ if current~=stop then
+ local c=locl[current] or getchar(current)
+ local found=lookupcache[c]
+ if found then
+ local next=getnext(current)
+ local n=locl[next] or getchar(next)
+ if found[n] then
+ local afternext=next~=stop and getnext(next)
+ if afternext and zw_char[getchar(afternext)] then
+ current=afternext
+ elseif current==start then
+ setprop(current,a_state,s_rphf)
+ current=next
+ else
+ current=next
+ end
+ end
+ end
+ end
+ current=getnext(current)
+ end
+ elseif kind=="pref" then
+ local current=start
+ local last=getnext(stop)
+ while current~=last do
+ if current~=stop then
+ local c=locl[current] or getchar(current)
+ local found=lookupcache[c]
+ if found then
+ local next=getnext(current)
+ local n=locl[next] or getchar(next)
+ if found[n] then
+ setprop(current,a_state,s_pref)
+ setprop(next,a_state,s_pref)
+ current=next
+ end
+ end
+ end
+ current=getnext(current)
+ end
+ elseif kind=="half" then
+ local current=start
+ local last=getnext(stop)
+ while current~=last do
+ if current~=stop then
+ local c=locl[current] or getchar(current)
+ local found=lookupcache[c]
+ if found then
+ local next=getnext(current)
+ local n=locl[next] or getchar(next)
+ if found[n] then
+ if next~=stop and getchar(getnext(next))==c_zwnj then
+ current=next
+ else
+ setprop(current,a_state,s_half)
+ if not halfpos then
+ halfpos=current
+ end
+ end
+ current=getnext(current)
+ end
+ end
+ end
+ current=getnext(current)
+ end
+ elseif kind=="blwf" then
+ local current=start
+ local last=getnext(stop)
+ while current~=last do
+ if current~=stop then
+ local c=locl[current] or getchar(current)
+ local found=lookupcache[c]
+ if found then
+ local next=getnext(current)
+ local n=locl[next] or getchar(next)
+ if found[n] then
+ setprop(current,a_state,s_blwf)
+ setprop(next,a_state,s_blwf)
+ current=next
+ subpos=current
+ end
+ end
+ end
+ current=getnext(current)
+ end
+ elseif kind=="pstf" then
+ local current=start
+ local last=getnext(stop)
+ while current~=last do
+ if current~=stop then
+ local c=locl[current] or getchar(current)
+ local found=lookupcache[c]
+ if found then
+ local next=getnext(current)
+ local n=locl[next] or getchar(next)
+ if found[n] then
+ setprop(current,a_state,s_pstf)
+ setprop(next,a_state,s_pstf)
+ current=next
+ postpos=current
+ end
+ end
+ end
+ current=getnext(current)
+ end
+ end
+ end
+ reorderreph.coverage={ [reph]=true }
+ local current,base,firstcons=start,nil,nil
+ if getprop(start,a_state)==s_rphf then
+ current=getnext(getnext(start))
+ end
+ if current~=getnext(stop) and getchar(current)==c_nbsp then
+ if current==stop then
+ stop=getprev(stop)
+ head=remove_node(head,current)
+ flush_node(current)
+ return head,stop,nbspaces
+ else
+ nbspaces=nbspaces+1
+ base=current
+ current=getnext(current)
+ if current~=stop then
+ local char=getchar(current)
+ if nukta[char] then
+ current=getnext(current)
+ char=getchar(current)
+ end
+ if char==c_zwj then
+ local next=getnext(current)
+ if current~=stop and next~=stop and halant[getchar(next)] then
+ current=next
+ next=getnext(current)
+ local tmp=getnext(next)
+ local changestop=next==stop
+ setnext(next)
+ setprop(current,a_state,s_pref)
+ current=processcharacters(current,font)
+ setprop(current,a_state,s_blwf)
+ current=processcharacters(current,font)
+ setprop(current,a_state,s_pstf)
+ current=processcharacters(current,font)
+ setprop(current,a_state,unsetvalue)
+ if halant[getchar(current)] then
+ setnext(getnext(current),tmp)
+ if show_syntax_errors then
+ head,current=inject_syntax_error(head,current,char)
+ end
+ else
+ setnext(current,tmp)
+ if changestop then
+ stop=current
+ end
+ end
+ end
+ end
+ end
+ end
+ else
+ local last=getnext(stop)
+ while current~=last do
+ local next=getnext(current)
+ if consonant[getchar(current)] then
+ if not (current~=stop and next~=stop and halant[getchar(next)] and getchar(getnext(next))==c_zwj) then
+ if not firstcons then
+ firstcons=current
+ end
+ local a=getprop(current,a_state)
+ if not (a==s_pref or a==s_blwf or a==s_pstf) then
+ base=current
+ end
+ end
+ end
+ current=next
+ end
+ if not base then
+ base=firstcons
+ end
+ end
+ if not base then
+ if getprop(start,a_state)==s_rphf then
+ setprop(start,a_state,unsetvalue)
+ end
+ return head,stop,nbspaces
+ else
+ if getprop(base,a_state) then
+ setprop(base,a_state,unsetvalue)
+ end
+ basepos=base
+ end
+ if not halfpos then
+ halfpos=base
+ end
+ if not subpos then
+ subpos=base
+ end
+ if not postpos then
+ postpos=subpos or base
+ end
+ local moved={}
+ local current=start
+ local last=getnext(stop)
+ while current~=last do
+ local char,target,cn=locl[current] or getchar(current),nil,getnext(current)
+ local tpm=twopart_mark[char]
+ if tpm then
+ local extra=copy_node(current)
+ copyinjection(extra,current)
+ char=tpm[1]
+ setchar(current,char)
+ setchar(extra,tpm[2])
+ head=insert_node_after(head,current,extra)
+ end
+ if not moved[current] and dependent_vowel[char] then
+ if pre_mark[char] then
+ moved[current]=true
+ local prev,next=getboth(current)
+ setlink(prev,next)
+ if current==stop then
+ stop=getprev(current)
+ end
+ if halfpos==start then
+ if head==start then
+ head=current
+ end
+ start=current
+ end
+ setlink(getprev(halfpos),current)
+ setlink(current,halfpos)
+ halfpos=current
+ elseif above_mark[char] then
+ target=basepos
+ if subpos==basepos then
+ subpos=current
+ end
+ if postpos==basepos then
+ postpos=current
+ end
+ basepos=current
+ elseif below_mark[char] then
+ target=subpos
+ if postpos==subpos then
+ postpos=current
+ end
+ subpos=current
+ elseif post_mark[char] then
+ target=postpos
+ postpos=current
+ end
+ if mark_above_below_post[char] then
+ local prev=getprev(current)
+ if prev~=target then
+ local next=getnext(current)
+ setlink(prev,next)
+ if current==stop then
+ stop=prev
+ end
+ setlink(current,getnext(target))
+ setlink(target,current)
+ end
+ end
+ end
+ current=cn
+ end
+ local current,c=start,nil
+ while current~=stop do
+ local char=getchar(current)
+ if halant[char] or stress_tone_mark[char] then
+ if not c then
+ c=current
+ end
+ else
+ c=nil
+ end
+ local next=getnext(current)
+ if c and nukta[getchar(next)] then
+ if head==c then
+ head=next
+ end
+ if stop==next then
+ stop=current
+ end
+ setlink(getprev(c),next)
+ local nextnext=getnext(next)
+ setnext(current,nextnext)
+ local nextnextnext=getnext(nextnext)
+ if nextnextnext then
+ setprev(nextnextnext,current)
+ end
+ setlink(nextnext,c)
+ end
+ if stop==current then break end
+ current=getnext(current)
+ end
+ if getchar(base)==c_nbsp then
+ if base==stop then
+ stop=getprev(stop)
+ end
+ nbspaces=nbspaces-1
+ head=remove_node(head,base)
+ flush_node(base)
+ end
+ return head,stop,nbspaces
+end
+local separator={}
+imerge(separator,consonant)
+imerge(separator,independent_vowel)
+imerge(separator,dependent_vowel)
+imerge(separator,vowel_modifier)
+imerge(separator,stress_tone_mark)
+for k,v in next,nukta do separator[k]=true end
+for k,v in next,halant do separator[k]=true end
+local function analyze_next_chars_one(c,font,variant)
+ local n=getnext(c)
+ if not n then
+ return c
+ end
+ if variant==1 then
+ local v=ischar(n,font)
+ if v and nukta[v] then
+ n=getnext(n)
+ if n then
+ v=ischar(n,font)
+ end
+ end
+ if n and v then
+ local nn=getnext(n)
+ if nn then
+ local vv=ischar(nn,font)
+ if vv then
+ local nnn=getnext(nn)
+ if nnn then
+ local vvv=ischar(nnn,font)
+ if vvv then
+ if vv==c_zwj and consonant[vvv] then
+ c=nnn
+ elseif (vv==c_zwnj or vv==c_zwj) and halant[vvv] then
+ local nnnn=getnext(nnn)
+ if nnnn then
+ local vvvv=ischar(nnnn,font)
+ if vvvv and consonant[vvvv] then
+ c=nnnn
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ elseif variant==2 then
+ local v=ischar(n,font)
+ if v and nukta[v] then
+ c=n
+ end
+ n=getnext(c)
+ if n then
+ v=ischar(n,font)
+ if v then
+ local nn=getnext(n)
+ if nn then
+ local vv=ischar(nn,font)
+ if vv and zw_char[v] then
+ n=nn
+ v=vv
+ nn=getnext(nn)
+ vv=nn and ischar(nn,font)
+ end
+ if vv and halant[v] and consonant[vv] then
+ c=nn
+ end
+ end
+ end
+ end
+ end
+ local n=getnext(c)
+ if not n then
+ return c
+ end
+ local v=ischar(n,font)
+ if not v then
+ return c
+ end
+ if dependent_vowel[v] then
+ c=getnext(c)
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ if nukta[v] then
+ c=getnext(c)
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ if halant[v] then
+ c=getnext(c)
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ if vowel_modifier[v] then
+ c=getnext(c)
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ if stress_tone_mark[v] then
+ c=getnext(c)
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ if stress_tone_mark[v] then
+ return n
+ else
+ return c
+ end
+end
+local function analyze_next_chars_two(c,font)
+ local n=getnext(c)
+ if not n then
+ return c
+ end
+ local v=ischar(n,font)
+ if v and nukta[v] then
+ c=n
+ end
+ n=c
+ while true do
+ local nn=getnext(n)
+ if nn then
+ local vv=ischar(nn,font)
+ if vv then
+ if halant[vv] then
+ n=nn
+ local nnn=getnext(nn)
+ if nnn then
+ local vvv=ischar(nnn,font)
+ if vvv and zw_char[vvv] then
+ n=nnn
+ end
+ end
+ elseif vv==c_zwnj or vv==c_zwj then
+ local nnn=getnext(nn)
+ if nnn then
+ local vvv=ischar(nnn,font)
+ if vvv and halant[vvv] then
+ n=nnn
+ end
+ end
+ else
+ break
+ end
+ local nn=getnext(n)
+ if nn then
+ local vv=ischar(nn,font)
+ if vv and consonant[vv] then
+ n=nn
+ local nnn=getnext(nn)
+ if nnn then
+ local vvv=ischar(nnn,font)
+ if vvv and nukta[vvv] then
+ n=nnn
+ end
+ end
+ c=n
+ else
+ break
+ end
+ else
+ break
+ end
+ else
+ break
+ end
+ else
+ break
+ end
+ end
+ if not c then
+ return
+ end
+ local n=getnext(c)
+ if not n then
+ return c
+ end
+ local v=ischar(n,font)
+ if not v then
+ return c
+ end
+ if anudatta[v] then
+ c=n
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ if halant[v] then
+ c=n
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ if v==c_zwnj or v==c_zwj then
+ c=n
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ else
+ if dependent_vowel[v] then
+ c=n
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ if nukta[v] then
+ c=n
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ if halant[v] then
+ c=n
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ end
+ if vowel_modifier[v] then
+ c=n
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ if stress_tone_mark[v] then
+ c=n
+ n=getnext(c)
+ if not n then
+ return c
+ end
+ v=ischar(n,font)
+ if not v then
+ return c
+ end
+ end
+ if stress_tone_mark[v] then
+ return n
+ else
+ return c
+ end
+end
+local function method_one(head,font,attr)
+ local current=head
+ local start=true
+ local done=false
+ local nbspaces=0
+ while current do
+ local char=ischar(current,font)
+ if char then
+ done=true
+ local syllablestart=current
+ local syllableend=nil
+ local c=current
+ local n=getnext(c)
+ local first=char
+ if n and ra[first] then
+ local second=ischar(n,font)
+ if second and halant[second] then
+ local n=getnext(n)
+ if n then
+ local third=ischar(n,font)
+ if third then
+ c=n
+ first=third
+ end
+ end
+ end
+ end
+ local standalone=first==c_nbsp
+ if standalone then
+ local prev=getprev(current)
+ if prev then
+ local prevchar=ischar(prev,font)
+ if not prevchar then
+ elseif not separator[prevchar] then
+ else
+ standalone=false
+ end
+ else
+ end
+ end
+ if standalone then
+ local syllableend=analyze_next_chars_one(c,font,2)
+ current=getnext(syllableend)
+ if syllablestart~=syllableend then
+ head,current,nbspaces=reorder_one(head,syllablestart,syllableend,font,attr,nbspaces)
+ current=getnext(current)
+ end
+ else
+ if consonant[char] then
+ local prevc=true
+ while prevc do
+ prevc=false
+ local n=getnext(current)
+ if not n then
+ break
+ end
+ local v=ischar(n,font)
+ if not v then
+ break
+ end
+ if nukta[v] then
+ n=getnext(n)
+ if not n then
+ break
+ end
+ v=ischar(n,font)
+ if not v then
+ break
+ end
+ end
+ if halant[v] then
+ n=getnext(n)
+ if not n then
+ break
+ end
+ v=ischar(n,font)
+ if not v then
+ break
+ end
+ if v==c_zwnj or v==c_zwj then
+ n=getnext(n)
+ if not n then
+ break
+ end
+ v=ischar(n,font)
+ if not v then
+ break
+ end
+ end
+ if consonant[v] then
+ prevc=true
+ current=n
+ end
+ end
+ end
+ local n=getnext(current)
+ if n then
+ local v=ischar(n,font)
+ if v and nukta[v] then
+ current=n
+ n=getnext(current)
+ end
+ end
+ syllableend=current
+ current=n
+ if current then
+ local v=ischar(current,font)
+ if not v then
+ elseif halant[v] then
+ local n=getnext(current)
+ if n then
+ local v=ischar(n,font)
+ if v and zw_char[v] then
+ syllableend=n
+ current=getnext(n)
+ else
+ syllableend=current
+ current=n
+ end
+ else
+ syllableend=current
+ current=n
+ end
+ else
+ if dependent_vowel[v] then
+ syllableend=current
+ current=getnext(current)
+ v=ischar(current,font)
+ end
+ if v and vowel_modifier[v] then
+ syllableend=current
+ current=getnext(current)
+ v=ischar(current,font)
+ end
+ if v and stress_tone_mark[v] then
+ syllableend=current
+ current=getnext(current)
+ end
+ end
+ end
+ if syllablestart~=syllableend then
+ head,current,nbspaces=reorder_one(head,syllablestart,syllableend,font,attr,nbspaces)
+ current=getnext(current)
+ end
+ elseif independent_vowel[char] then
+ syllableend=current
+ current=getnext(current)
+ if current then
+ local v=ischar(current,font)
+ if v then
+ if vowel_modifier[v] then
+ syllableend=current
+ current=getnext(current)
+ v=ischar(current,font)
+ end
+ if v and stress_tone_mark[v] then
+ syllableend=current
+ current=getnext(current)
+ end
+ end
+ end
+ else
+ if show_syntax_errors then
+ local mark=mark_four[char]
+ if mark then
+ head,current=inject_syntax_error(head,current,char)
+ end
+ end
+ current=getnext(current)
+ end
+ end
+ else
+ current=getnext(current)
+ end
+ start=false
+ end
+ if nbspaces>0 then
+ head=replace_all_nbsp(head)
+ end
+ return head,done
+end
+local function method_two(head,font,attr)
+ local current=head
+ local start=true
+ local done=false
+ local syllabe=0
+ local nbspaces=0
+ while current do
+ local syllablestart=nil
+ local syllableend=nil
+ local char=ischar(current,font)
+ if char then
+ done=true
+ syllablestart=current
+ local c=current
+ local n=getnext(current)
+ if n and ra[char] then
+ local nextchar=ischar(n,font)
+ if nextchar and halant[nextchar] then
+ local n=getnext(n)
+ if n then
+ local nextnextchar=ischar(n,font)
+ if nextnextchar then
+ c=n
+ char=nextnextchar
+ end
+ end
+ end
+ end
+ if independent_vowel[char] then
+ current=analyze_next_chars_one(c,font,1)
+ syllableend=current
+ else
+ local standalone=char==c_nbsp
+ if standalone then
+ nbspaces=nbspaces+1
+ local p=getprev(current)
+ if not p then
+ elseif ischar(p,font) then
+ elseif not separator[getchar(p)] then
+ else
+ standalone=false
+ end
+ end
+ if standalone then
+ current=analyze_next_chars_one(c,font,2)
+ syllableend=current
+ elseif consonant[getchar(current)] then
+ current=analyze_next_chars_two(current,font)
+ syllableend=current
+ end
+ end
+ end
+ if syllableend then
+ syllabe=syllabe+1
+ local c=syllablestart
+ local n=getnext(syllableend)
+ while c~=n do
+ setprop(c,a_syllabe,syllabe)
+ c=getnext(c)
+ end
+ end
+ if syllableend and syllablestart~=syllableend then
+ head,current,nbspaces=reorder_two(head,syllablestart,syllableend,font,attr,nbspaces)
+ end
+ if not syllableend and show_syntax_errors then
+ local char=ischar(current,font)
+ if char and not getprop(current,a_state) then
+ local mark=mark_four[char]
+ if mark then
+ head,current=inject_syntax_error(head,current,char)
+ end
+ end
+ end
+ start=false
+ current=getnext(current)
+ end
+ if nbspaces>0 then
+ head=replace_all_nbsp(head)
+ end
+ return head,done
+end
+for i=1,nofscripts do
+ methods[scripts_one[i]]=method_one
+ methods[scripts_two[i]]=method_two
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-ocl']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local tostring,tonumber,next=tostring,tonumber,next
+local round,max=math.round,math.round
+local sortedkeys,sortedhash=table.sortedkeys,table.sortedhash
+local setmetatableindex=table.setmetatableindex
+local formatters=string.formatters
+local tounicode=fonts.mappings.tounicode
+local helpers=fonts.helpers
+local charcommand=helpers.commands.char
+local rightcommand=helpers.commands.right
+local leftcommand=helpers.commands.left
+local downcommand=helpers.commands.down
+local otf=fonts.handlers.otf
+local f_color=formatters["%.3f %.3f %.3f rg"]
+local f_gray=formatters["%.3f g"]
+if context then
+
+--removed
+
+else
+ local tounicode=fonts.mappings.tounicode16
+ function otf.getactualtext(s)
+ return
+ "/Span << /ActualText <feff"..s.."> >> BDC",
+ "EMC"
+ end
+end
+local sharedpalettes={}
+local hash=setmetatableindex(function(t,k)
+ local v={ "pdf","direct",k }
+ t[k]=v
+ return v
+end)
+if context then
+
+--removed
+
+else
+ function otf.registerpalette(name,values)
+ sharedpalettes[name]=values
+ for i=1,#values do
+ local v=values[i]
+ values[i]=hash[f_color(
+ max(round((v.r or 0)*255),255)/255,
+ max(round((v.g or 0)*255),255)/255,
+ max(round((v.b or 0)*255),255)/255
+ )]
+ end
+ end
+end
+local function convert(t,k)
+ local v={}
+ for i=1,#k do
+ local p=k[i]
+ local r,g,b=p[1],p[2],p[3]
+ if r==g and g==b then
+ v[i]=hash[f_gray(r/255)]
+ else
+ v[i]=hash[f_color(r/255,g/255,b/255)]
+ end
+ end
+ t[k]=v
+ return v
+end
+local start={ "pdf","mode","font" }
+local push={ "pdf","page","q" }
+local pop={ "pdf","page","Q" }
+if not LUATEXFUNCTIONALITY or LUATEXFUNCTIONALITY<6472 then
+ start={ "nop" }
+end
+local function initialize(tfmdata,kind,value)
+ if value then
+ local resources=tfmdata.resources
+ local palettes=resources.colorpalettes
+ if palettes then
+ local converted=resources.converted
+ if not converted then
+ converted=setmetatableindex(convert)
+ resources.converted=converted
+ end
+ local colorvalues=sharedpalettes[value] or converted[palettes[tonumber(value) or 1] or palettes[1]] or {}
+ local classes=#colorvalues
+ if classes==0 then
+ return
+ end
+ local characters=tfmdata.characters
+ local descriptions=tfmdata.descriptions
+ local properties=tfmdata.properties
+ properties.virtualized=true
+ tfmdata.fonts={
+ { id=0 }
+ }
+ local getactualtext=otf.getactualtext
+ local default=colorvalues[#colorvalues]
+ local b,e=getactualtext(tounicode(0xFFFD))
+ local actualb={ "pdf","page",b }
+ local actuale={ "pdf","page",e }
+ for unicode,character in next,characters do
+ local description=descriptions[unicode]
+ if description then
+ local colorlist=description.colors
+ if colorlist then
+ local u=description.unicode or characters[unicode].unicode
+ local w=character.width or 0
+ local s=#colorlist
+ local goback=w~=0 and leftcommand[w] or nil
+ local t={
+ start,
+ not u and actualb or { "pdf","page",(getactualtext(tounicode(u))) }
+ }
+ local n=2
+ local l=nil
+ local f=false
+ for i=1,s do
+ local entry=colorlist[i]
+ local v=colorvalues[entry.class] or default
+ if v and l~=v then
+ if f then
+ n=n+1 t[n]=pop
+ end
+ n=n+1 t[n]=push
+ f=true
+ n=n+1 t[n]=v
+ l=v
+ end
+ n=n+1 t[n]=charcommand[entry.slot]
+ if s>1 and i<s and goback then
+ n=n+1 t[n]=goback
+ end
+ end
+ if f then
+ n=n+1 t[n]=pop
+ end
+ n=n+1 t[n]=actuale
+ character.commands=t
+ end
+ end
+ end
+ end
+ end
+end
+fonts.handlers.otf.features.register {
+ name="colr",
+ description="color glyphs",
+ manipulators={
+ base=initialize,
+ node=initialize,
+ }
+}
+do
+ local nofstreams=0
+ local f_name=formatters[ [[pdf-glyph-%05i]] ]
+ local f_used=context and formatters[ [[original:///%s]] ] or formatters[ [[%s]] ]
+ local hashed={}
+ local cache={}
+ if epdf then
+ local openpdf=epdf.openMemStream
+ function otf.storepdfdata(pdf)
+ local done=hashed[pdf]
+ if not done then
+ nofstreams=nofstreams+1
+ local o,n=openpdf(pdf,#pdf,f_name(nofstreams))
+ cache[n]=o
+ done=f_used(n)
+ hashed[pdf]=done
+ end
+ return nil,done,nil
+ end
+ else
+ local openpdf=pdfe.new
+ function otf.storepdfdata(pdf)
+ local done=hashed[pdf]
+ if not done then
+ nofstreams=nofstreams+1
+ local f=f_name(nofstreams)
+ local n=openpdf(pdf,#pdf,f)
+ done=f_used(n)
+ hashed[pdf]=done
+ end
+ return nil,done,nil
+ end
+ end
+end
+local function pdftovirtual(tfmdata,pdfshapes,kind)
+ if not tfmdata or not pdfshapes or not kind then
+ return
+ end
+ local characters=tfmdata.characters
+ local properties=tfmdata.properties
+ local parameters=tfmdata.parameters
+ local hfactor=parameters.hfactor
+ properties.virtualized=true
+ tfmdata.fonts={
+ { id=0 }
+ }
+ local getactualtext=otf.getactualtext
+ local storepdfdata=otf.storepdfdata
+ local b,e=getactualtext(tounicode(0xFFFD))
+ local actualb={ "pdf","page",b }
+ local actuale={ "pdf","page",e }
+ for unicode,character in sortedhash(characters) do
+ local index=character.index
+ if index then
+ local pdf=pdfshapes[index]
+ local typ=type(pdf)
+ local data=nil
+ local dx=nil
+ local dy=nil
+ if typ=="table" then
+ data=pdf.data
+ dx=pdf.dx or 0
+ dy=pdf.dy or 0
+ elseif typ=="string" then
+ data=pdf
+ dx=0
+ dy=0
+ end
+ if data then
+ local setcode,name,nilcode=storepdfdata(data)
+ if name then
+ local bt=unicode and getactualtext(unicode)
+ local wd=character.width or 0
+ local ht=character.height or 0
+ local dp=character.depth or 0
+ character.commands={
+ not unicode and actualb or { "pdf","page",(getactualtext(unicode)) },
+ downcommand[dp+dy*hfactor],
+ rightcommand[dx*hfactor],
+ { "image",{ filename=name,width=wd,height=ht,depth=dp } },
+ actuale,
+ }
+ character[kind]=true
+ end
+ end
+ end
+ end
+end
+local otfsvg=otf.svg or {}
+otf.svg=otfsvg
+otf.svgenabled=true
+do
+ local report_svg=logs.reporter("fonts","svg conversion")
+ local loaddata=io.loaddata
+ local savedata=io.savedata
+ local remove=os.remove
+ if context and xml.convert then
+ local xmlconvert=xml.convert
+ local xmlfirst=xml.first
+ function otfsvg.filterglyph(entry,index)
+ local svg=xmlconvert(entry.data)
+ local root=svg and xmlfirst(svg,"/svg[@id='glyph"..index.."']")
+ local data=root and tostring(root)
+ return data
+ end
+ else
+ function otfsvg.filterglyph(entry,index)
+ return entry.data
+ end
+ end
+ local runner=sandbox and sandbox.registerrunner {
+ name="otfsvg",
+ program="inkscape",
+ method="pipeto",
+ template="--shell > temp-otf-svg-shape.log",
+ reporter=report_svg,
+ }
+ if not runner then
+ runner=function()
+ return io.open("inkscape --shell > temp-otf-svg-shape.log","w")
+ end
+ end
+ function otfsvg.topdf(svgshapes)
+ local pdfshapes={}
+ local inkscape=runner()
+ if inkscape then
+ local nofshapes=#svgshapes
+ local f_svgfile=formatters["temp-otf-svg-shape-%i.svg"]
+ local f_pdffile=formatters["temp-otf-svg-shape-%i.pdf"]
+ local f_convert=formatters["%s --export-pdf=%s\n"]
+ local filterglyph=otfsvg.filterglyph
+ local nofdone=0
+ report_svg("processing %i svg containers",nofshapes)
+ statistics.starttiming()
+ for i=1,nofshapes do
+ local entry=svgshapes[i]
+ for index=entry.first,entry.last do
+ local data=filterglyph(entry,index)
+ if data and data~="" then
+ local svgfile=f_svgfile(index)
+ local pdffile=f_pdffile(index)
+ savedata(svgfile,data)
+ inkscape:write(f_convert(svgfile,pdffile))
+ pdfshapes[index]=true
+ nofdone=nofdone+1
+ if nofdone%100==0 then
+ report_svg("%i shapes processed",nofdone)
+ end
+ end
+ end
+ end
+ inkscape:write("quit\n")
+ inkscape:close()
+ report_svg("processing %i pdf results",nofshapes)
+ for index in next,pdfshapes do
+ local svgfile=f_svgfile(index)
+ local pdffile=f_pdffile(index)
+ pdfshapes[index]=loaddata(pdffile)
+ remove(svgfile)
+ remove(pdffile)
+ end
+ statistics.stoptiming()
+ if statistics.elapsedseconds then
+ report_svg("svg conversion time %s",statistics.elapsedseconds() or "-")
+ end
+ end
+ return pdfshapes
+ end
+end
+local function initializesvg(tfmdata,kind,value)
+ if value and otf.svgenabled then
+ local svg=tfmdata.properties.svg
+ local hash=svg and svg.hash
+ local timestamp=svg and svg.timestamp
+ if not hash then
+ return
+ end
+ local pdffile=containers.read(otf.pdfcache,hash)
+ local pdfshapes=pdffile and pdffile.pdfshapes
+ if not pdfshapes or pdffile.timestamp~=timestamp then
+ local svgfile=containers.read(otf.svgcache,hash)
+ local svgshapes=svgfile and svgfile.svgshapes
+ pdfshapes=svgshapes and otfsvg.topdf(svgshapes) or {}
+ containers.write(otf.pdfcache,hash,{
+ pdfshapes=pdfshapes,
+ timestamp=timestamp,
+ })
+ end
+ pdftovirtual(tfmdata,pdfshapes,"svg")
+ end
+end
+fonts.handlers.otf.features.register {
+ name="svg",
+ description="svg glyphs",
+ manipulators={
+ base=initializesvg,
+ node=initializesvg,
+ }
+}
+local otfsbix=otf.sbix or {}
+otf.sbix=otfsbix
+otf.sbixenabled=true
+do
+ local report_sbix=logs.reporter("fonts","sbix conversion")
+ local loaddata=io.loaddata
+ local savedata=io.savedata
+ local remove=os.remove
+ local runner=sandbox and sandbox.registerrunner {
+ name="otfsbix",
+ program="gm",
+ template="convert -quality 100 temp-otf-sbix-shape.sbix temp-otf-sbix-shape.pdf > temp-otf-svg-shape.log",
+ }
+ if not runner then
+ runner=function()
+ return os.execute("gm convert -quality 100 temp-otf-sbix-shape.sbix temp-otf-sbix-shape.pdf > temp-otf-svg-shape.log")
+ end
+ end
+ function otfsbix.topdf(sbixshapes)
+ local pdfshapes={}
+ local sbixfile="temp-otf-sbix-shape.sbix"
+ local pdffile="temp-otf-sbix-shape.pdf"
+ local nofdone=0
+ local indices=sortedkeys(sbixshapes)
+ local nofindices=#indices
+ report_sbix("processing %i sbix containers",nofindices)
+ statistics.starttiming()
+ for i=1,nofindices do
+ local index=indices[i]
+ local entry=sbixshapes[index]
+ local data=entry.data
+ local x=entry.x
+ local y=entry.y
+ savedata(sbixfile,data)
+ runner()
+ pdfshapes[index]={
+ x=x~=0 and x or nil,
+ y=y~=0 and y or nil,
+ data=loaddata(pdffile),
+ }
+ nofdone=nofdone+1
+ if nofdone%100==0 then
+ report_sbix("%i shapes processed",nofdone)
+ end
+ end
+ report_sbix("processing %i pdf results",nofindices)
+ remove(sbixfile)
+ remove(pdffile)
+ statistics.stoptiming()
+ if statistics.elapsedseconds then
+ report_sbix("sbix conversion time %s",statistics.elapsedseconds() or "-")
+ end
+ return pdfshapes
+ end
+end
+local function initializesbix(tfmdata,kind,value)
+ if value and otf.sbixenabled then
+ local sbix=tfmdata.properties.sbix
+ local hash=sbix and sbix.hash
+ local timestamp=sbix and sbix.timestamp
+ if not hash then
+ return
+ end
+ local pdffile=containers.read(otf.pdfcache,hash)
+ local pdfshapes=pdffile and pdffile.pdfshapes
+ if not pdfshapes or pdffile.timestamp~=timestamp then
+ local sbixfile=containers.read(otf.sbixcache,hash)
+ local sbixshapes=sbixfile and sbixfile.sbixshapes
+ pdfshapes=sbixshapes and otfsbix.topdf(sbixshapes) or {}
+ containers.write(otf.pdfcache,hash,{
+ pdfshapes=pdfshapes,
+ timestamp=timestamp,
+ })
+ end
+ pdftovirtual(tfmdata,pdfshapes,"sbix")
+ end
+end
+fonts.handlers.otf.features.register {
+ name="sbix",
+ description="sbix glyphs",
+ manipulators={
+ base=initializesbix,
+ node=initializesbix,
+ }
+}
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-otc']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local insert,sortedkeys,sortedhash,tohash=table.insert,table.sortedkeys,table.sortedhash,table.tohash
+local type,next=type,next
+local lpegmatch=lpeg.match
+local utfbyte,utflen=utf.byte,utf.len
+local sortedhash=table.sortedhash
+local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end)
+local report_otf=logs.reporter("fonts","otf loading")
+local fonts=fonts
+local otf=fonts.handlers.otf
+local registerotffeature=otf.features.register
+local setmetatableindex=table.setmetatableindex
+local checkmerge=fonts.helpers.checkmerge
+local checkflags=fonts.helpers.checkflags
+local checksteps=fonts.helpers.checksteps
+local normalized={
+ substitution="substitution",
+ single="substitution",
+ ligature="ligature",
+ alternate="alternate",
+ multiple="multiple",
+ kern="kern",
+ pair="pair",
+ single="single",
+ chainsubstitution="chainsubstitution",
+ chainposition="chainposition",
+}
+local types={
+ substitution="gsub_single",
+ ligature="gsub_ligature",
+ alternate="gsub_alternate",
+ multiple="gsub_multiple",
+ kern="gpos_pair",
+ pair="gpos_pair",
+ single="gpos_single",
+ chainsubstitution="gsub_contextchain",
+ chainposition="gpos_contextchain",
+}
+local names={
+ gsub_single="gsub",
+ gsub_multiple="gsub",
+ gsub_alternate="gsub",
+ gsub_ligature="gsub",
+ gsub_context="gsub",
+ gsub_contextchain="gsub",
+ gsub_reversecontextchain="gsub",
+ gpos_single="gpos",
+ gpos_pair="gpos",
+ gpos_cursive="gpos",
+ gpos_mark2base="gpos",
+ gpos_mark2ligature="gpos",
+ gpos_mark2mark="gpos",
+ gpos_context="gpos",
+ gpos_contextchain="gpos",
+}
+setmetatableindex(types,function(t,k) t[k]=k return k end)
+local everywhere={ ["*"]={ ["*"]=true } }
+local noflags={ false,false,false,false }
+local function getrange(sequences,category)
+ local count=#sequences
+ local first=nil
+ local last=nil
+ for i=1,count do
+ local t=sequences[i].type
+ if t and names[t]==category then
+ if not first then
+ first=i
+ end
+ last=i
+ end
+ end
+ return first or 1,last or count
+end
+local function validspecification(specification,name)
+ local dataset=specification.dataset
+ if dataset then
+ elseif specification[1] then
+ dataset=specification
+ specification={ dataset=dataset }
+ else
+ dataset={ { data=specification.data } }
+ specification.data=nil
+ specification.dataset=dataset
+ end
+ local first=dataset[1]
+ if first then
+ first=first.data
+ end
+ if not first then
+ report_otf("invalid feature specification, no dataset")
+ return
+ end
+ if type(name)~="string" then
+ name=specification.name or first.name
+ end
+ if type(name)~="string" then
+ report_otf("invalid feature specification, no name")
+ return
+ end
+ local n=#dataset
+ if n>0 then
+ for i=1,n do
+ setmetatableindex(dataset[i],specification)
+ end
+ return specification,name
+ end
+end
+local function addfeature(data,feature,specifications)
+ if not specifications then
+ report_otf("missing specification")
+ return
+ end
+ local descriptions=data.descriptions
+ local resources=data.resources
+ local features=resources.features
+ local sequences=resources.sequences
+ if not features or not sequences then
+ report_otf("missing specification")
+ return
+ end
+ local alreadydone=resources.alreadydone
+ if not alreadydone then
+ alreadydone={}
+ resources.alreadydone=alreadydone
+ end
+ if alreadydone[specifications] then
+ return
+ else
+ alreadydone[specifications]=true
+ end
+ local fontfeatures=resources.features or everywhere
+ local unicodes=resources.unicodes
+ local splitter=lpeg.splitter(" ",unicodes)
+ local done=0
+ local skip=0
+ local aglunicodes=false
+ local specifications=validspecification(specifications,feature)
+ if not specifications then
+ return
+ end
+ local function tounicode(code)
+ if not code then
+ return
+ end
+ if type(code)=="number" then
+ return code
+ end
+ local u=unicodes[code]
+ if u then
+ return u
+ end
+ if utflen(code)==1 then
+ u=utfbyte(code)
+ if u then
+ return u
+ end
+ end
+ if not aglunicodes then
+ aglunicodes=fonts.encodings.agl.unicodes
+ end
+ return aglunicodes[code]
+ end
+ local coverup=otf.coverup
+ local coveractions=coverup.actions
+ local stepkey=coverup.stepkey
+ local register=coverup.register
+ local function prepare_substitution(list,featuretype,nocheck)
+ local coverage={}
+ local cover=coveractions[featuretype]
+ for code,replacement in next,list do
+ local unicode=tounicode(code)
+ local description=descriptions[unicode]
+ if not nocheck and not description then
+ skip=skip+1
+ else
+ if type(replacement)=="table" then
+ replacement=replacement[1]
+ end
+ replacement=tounicode(replacement)
+ if replacement and descriptions[replacement] then
+ cover(coverage,unicode,replacement)
+ done=done+1
+ else
+ skip=skip+1
+ end
+ end
+ end
+ return coverage
+ end
+ local function prepare_alternate(list,featuretype,nocheck)
+ local coverage={}
+ local cover=coveractions[featuretype]
+ for code,replacement in next,list do
+ local unicode=tounicode(code)
+ local description=descriptions[unicode]
+ if not nocheck and not description then
+ skip=skip+1
+ elseif type(replacement)=="table" then
+ local r={}
+ for i=1,#replacement do
+ local u=tounicode(replacement[i])
+ r[i]=(nocheck or descriptions[u]) and u or unicode
+ end
+ cover(coverage,unicode,r)
+ done=done+1
+ else
+ local u=tounicode(replacement)
+ if u then
+ cover(coverage,unicode,{ u })
+ done=done+1
+ else
+ skip=skip+1
+ end
+ end
+ end
+ return coverage
+ end
+ local function prepare_multiple(list,featuretype,nocheck)
+ local coverage={}
+ local cover=coveractions[featuretype]
+ for code,replacement in next,list do
+ local unicode=tounicode(code)
+ local description=descriptions[unicode]
+ if not nocheck and not description then
+ skip=skip+1
+ elseif type(replacement)=="table" then
+ local r,n={},0
+ for i=1,#replacement do
+ local u=tounicode(replacement[i])
+ if nocheck or descriptions[u] then
+ n=n+1
+ r[n]=u
+ end
+ end
+ if n>0 then
+ cover(coverage,unicode,r)
+ done=done+1
+ else
+ skip=skip+1
+ end
+ else
+ local u=tounicode(replacement)
+ if u then
+ cover(coverage,unicode,{ u })
+ done=done+1
+ else
+ skip=skip+1
+ end
+ end
+ end
+ return coverage
+ end
+ local function prepare_ligature(list,featuretype,nocheck)
+ local coverage={}
+ local cover=coveractions[featuretype]
+ for code,ligature in next,list do
+ local unicode=tounicode(code)
+ local description=descriptions[unicode]
+ if not nocheck and not description then
+ skip=skip+1
+ else
+ if type(ligature)=="string" then
+ ligature={ lpegmatch(splitter,ligature) }
+ end
+ local present=true
+ for i=1,#ligature do
+ local l=ligature[i]
+ local u=tounicode(l)
+ if nocheck or descriptions[u] then
+ ligature[i]=u
+ else
+ present=false
+ break
+ end
+ end
+ if present then
+ cover(coverage,unicode,ligature)
+ done=done+1
+ else
+ skip=skip+1
+ end
+ end
+ end
+ return coverage
+ end
+ local function resetspacekerns()
+ data.properties.hasspacekerns=true
+ data.resources .spacekerns=nil
+ end
+ local function prepare_kern(list,featuretype)
+ local coverage={}
+ local cover=coveractions[featuretype]
+ local isspace=false
+ for code,replacement in next,list do
+ local unicode=tounicode(code)
+ local description=descriptions[unicode]
+ if description and type(replacement)=="table" then
+ local r={}
+ for k,v in next,replacement do
+ local u=tounicode(k)
+ if u then
+ r[u]=v
+ if u==32 then
+ isspace=true
+ end
+ end
+ end
+ if next(r) then
+ cover(coverage,unicode,r)
+ done=done+1
+ if unicode==32 then
+ isspace=true
+ end
+ else
+ skip=skip+1
+ end
+ else
+ skip=skip+1
+ end
+ end
+ if isspace then
+ resetspacekerns()
+ end
+ return coverage
+ end
+ local function prepare_pair(list,featuretype)
+ local coverage={}
+ local cover=coveractions[featuretype]
+ if cover then
+ for code,replacement in next,list do
+ local unicode=tounicode(code)
+ local description=descriptions[unicode]
+ if description and type(replacement)=="table" then
+ local r={}
+ for k,v in next,replacement do
+ local u=tounicode(k)
+ if u then
+ r[u]=v
+ if u==32 then
+ isspace=true
+ end
+ end
+ end
+ if next(r) then
+ cover(coverage,unicode,r)
+ done=done+1
+ if unicode==32 then
+ isspace=true
+ end
+ else
+ skip=skip+1
+ end
+ else
+ skip=skip+1
+ end
+ end
+ if isspace then
+ resetspacekerns()
+ end
+ else
+ report_otf("unknown cover type %a",featuretype)
+ end
+ return coverage
+ end
+ local prepare_single=prepare_pair
+ local function prepare_chain(list,featuretype,sublookups)
+ local rules=list.rules
+ local coverage={}
+ if rules then
+ local rulehash={}
+ local rulesize=0
+ local lookuptype=types[featuretype]
+ for nofrules=1,#rules do
+ local rule=rules[nofrules]
+ local current=rule.current
+ local before=rule.before
+ local after=rule.after
+ local replacements=rule.replacements or false
+ local sequence={}
+ local nofsequences=0
+ if before then
+ for n=1,#before do
+ nofsequences=nofsequences+1
+ sequence[nofsequences]=before[n]
+ end
+ end
+ local start=nofsequences+1
+ for n=1,#current do
+ nofsequences=nofsequences+1
+ sequence[nofsequences]=current[n]
+ end
+ local stop=nofsequences
+ if after then
+ for n=1,#after do
+ nofsequences=nofsequences+1
+ sequence[nofsequences]=after[n]
+ end
+ end
+ local lookups=rule.lookups or false
+ local subtype=nil
+ if lookups and sublookups then
+ for k,v in sortedhash(lookups) do
+ local t=type(v)
+ if t=="table" then
+ for i=1,#v do
+ local vi=v[i]
+ if type(vi)~="table" then
+ v[i]={ vi }
+ end
+ end
+ elseif t=="number" then
+ local lookup=sublookups[v]
+ if lookup then
+ lookups[k]={ lookup }
+ if not subtype then
+ subtype=lookup.type
+ end
+ elseif v==0 then
+ lookups[k]={ { type="gsub_remove" } }
+ else
+ lookups[k]=false
+ end
+ else
+ lookups[k]=false
+ end
+ end
+ end
+ if nofsequences>0 then
+ local hashed={}
+ for i=1,nofsequences do
+ local t={}
+ local s=sequence[i]
+ for i=1,#s do
+ local u=tounicode(s[i])
+ if u then
+ t[u]=true
+ end
+ end
+ hashed[i]=t
+ end
+ sequence=hashed
+ rulesize=rulesize+1
+ rulehash[rulesize]={
+ nofrules,
+ lookuptype,
+ sequence,
+ start,
+ stop,
+ lookups,
+ replacements,
+ subtype,
+ }
+ for unic in sortedhash(sequence[start]) do
+ local cu=coverage[unic]
+ if not cu then
+ coverage[unic]=rulehash
+ end
+ end
+ sequence.n=nofsequences
+ end
+ end
+ rulehash.n=rulesize
+ end
+ return coverage
+ end
+ local dataset=specifications.dataset
+ local function report(name,category,position,first,last,sequences)
+ report_otf("injecting name %a of category %a at position %i in [%i,%i] of [%i,%i]",
+ name,category,position,first,last,1,#sequences)
+ end
+ local function inject(specification,sequences,sequence,first,last,category,name)
+ local position=specification.position or false
+ if not position then
+ position=specification.prepend
+ if position==true then
+ if trace_loading then
+ report(name,category,first,first,last,sequences)
+ end
+ insert(sequences,first,sequence)
+ return
+ end
+ end
+ if not position then
+ position=specification.append
+ if position==true then
+ if trace_loading then
+ report(name,category,last+1,first,last,sequences)
+ end
+ insert(sequences,last+1,sequence)
+ return
+ end
+ end
+ local kind=type(position)
+ if kind=="string" then
+ local index=false
+ for i=first,last do
+ local s=sequences[i]
+ local f=s.features
+ if f then
+ for k in sortedhash(f) do
+ if k==position then
+ index=i
+ break
+ end
+ end
+ if index then
+ break
+ end
+ end
+ end
+ if index then
+ position=index
+ else
+ position=last+1
+ end
+ elseif kind=="number" then
+ if position<0 then
+ position=last-position+1
+ end
+ if position>last then
+ position=last+1
+ elseif position<first then
+ position=first
+ end
+ else
+ position=last+1
+ end
+ if trace_loading then
+ report(name,category,position,first,last,sequences)
+ end
+ insert(sequences,position,sequence)
+ end
+ for s=1,#dataset do
+ local specification=dataset[s]
+ local valid=specification.valid
+ local feature=specification.name or feature
+ if not feature or feature=="" then
+ report_otf("no valid name given for extra feature")
+ elseif not valid or valid(data,specification,feature) then
+ local initialize=specification.initialize
+ if initialize then
+ specification.initialize=initialize(specification,data) and initialize or nil
+ end
+ local askedfeatures=specification.features or everywhere
+ local askedsteps=specification.steps or specification.subtables or { specification.data } or {}
+ local featuretype=normalized[specification.type or "substitution"] or "substitution"
+ local featureflags=specification.flags or noflags
+ local nocheck=specification.nocheck
+ local futuresteps=specification.futuresteps
+ local featureorder=specification.order or { feature }
+ local featurechain=(featuretype=="chainsubstitution" or featuretype=="chainposition") and 1 or 0
+ local nofsteps=0
+ local steps={}
+ local sublookups=specification.lookups
+ local category=nil
+ checkflags(specification,resources)
+ if sublookups then
+ local s={}
+ for i=1,#sublookups do
+ local specification=sublookups[i]
+ local askedsteps=specification.steps or specification.subtables or { specification.data } or {}
+ local featuretype=normalized[specification.type or "substitution"] or "substitution"
+ local featureflags=specification.flags or noflags
+ local nofsteps=0
+ local steps={}
+ for i=1,#askedsteps do
+ local list=askedsteps[i]
+ local coverage=nil
+ local format=nil
+ if featuretype=="substitution" then
+ coverage=prepare_substitution(list,featuretype,nocheck)
+ elseif featuretype=="ligature" then
+ coverage=prepare_ligature(list,featuretype,nocheck)
+ elseif featuretype=="alternate" then
+ coverage=prepare_alternate(list,featuretype,nocheck)
+ elseif featuretype=="multiple" then
+ coverage=prepare_multiple(list,featuretype,nocheck)
+ elseif featuretype=="kern" or featuretype=="move" then
+ format=featuretype
+ coverage=prepare_kern(list,featuretype)
+ elseif featuretype=="pair" then
+ format="pair"
+ coverage=prepare_pair(list,featuretype)
+ elseif featuretype=="single" then
+ format="single"
+ coverage=prepare_single(list,featuretype)
+ end
+ if coverage and next(coverage) then
+ nofsteps=nofsteps+1
+ steps[nofsteps]=register(coverage,featuretype,format,feature,nofsteps,descriptions,resources)
+ end
+ end
+ checkmerge(specification)
+ checksteps(specification)
+ s[i]={
+ [stepkey]=steps,
+ nofsteps=nofsteps,
+ flags=featureflags,
+ type=types[featuretype],
+ }
+ end
+ sublookups=s
+ end
+ for i=1,#askedsteps do
+ local list=askedsteps[i]
+ local coverage=nil
+ local format=nil
+ if featuretype=="substitution" then
+ category="gsub"
+ coverage=prepare_substitution(list,featuretype,nocheck)
+ elseif featuretype=="ligature" then
+ category="gsub"
+ coverage=prepare_ligature(list,featuretype,nocheck)
+ elseif featuretype=="alternate" then
+ category="gsub"
+ coverage=prepare_alternate(list,featuretype,nocheck)
+ elseif featuretype=="multiple" then
+ category="gsub"
+ coverage=prepare_multiple(list,featuretype,nocheck)
+ elseif featuretype=="kern" or featuretype=="move" then
+ category="gpos"
+ format=featuretype
+ coverage=prepare_kern(list,featuretype)
+ elseif featuretype=="pair" then
+ category="gpos"
+ format="pair"
+ coverage=prepare_pair(list,featuretype)
+ elseif featuretype=="single" then
+ category="gpos"
+ format="single"
+ coverage=prepare_single(list,featuretype)
+ elseif featuretype=="chainsubstitution" then
+ category="gsub"
+ coverage=prepare_chain(list,featuretype,sublookups)
+ elseif featuretype=="chainposition" then
+ category="gpos"
+ coverage=prepare_chain(list,featuretype,sublookups)
+ else
+ report_otf("not registering feature %a, unknown category",feature)
+ return
+ end
+ if coverage and next(coverage) then
+ nofsteps=nofsteps+1
+ steps[nofsteps]=register(coverage,featuretype,format,feature,nofsteps,descriptions,resources)
+ end
+ end
+ if nofsteps>0 then
+ for k,v in next,askedfeatures do
+ if v[1] then
+ askedfeatures[k]=tohash(v)
+ end
+ end
+ if featureflags[1] then featureflags[1]="mark" end
+ if featureflags[2] then featureflags[2]="ligature" end
+ if featureflags[3] then featureflags[3]="base" end
+ local steptype=types[featuretype]
+ local sequence={
+ chain=featurechain,
+ features={ [feature]=askedfeatures },
+ flags=featureflags,
+ name=feature,
+ order=featureorder,
+ [stepkey]=steps,
+ nofsteps=nofsteps,
+ type=steptype,
+ }
+ checkflags(sequence,resources)
+ checkmerge(sequence)
+ checksteps(sequence)
+ local first,last=getrange(sequences,category)
+ inject(specification,sequences,sequence,first,last,category,feature)
+ local features=fontfeatures[category]
+ if not features then
+ features={}
+ fontfeatures[category]=features
+ end
+ local k=features[feature]
+ if not k then
+ k={}
+ features[feature]=k
+ end
+ for script,languages in next,askedfeatures do
+ local kk=k[script]
+ if not kk then
+ kk={}
+ k[script]=kk
+ end
+ for language,value in next,languages do
+ kk[language]=value
+ end
+ end
+ end
+ end
+ end
+ if trace_loading then
+ report_otf("registering feature %a, affected glyphs %a, skipped glyphs %a",feature,done,skip)
+ end
+end
+otf.enhancers.addfeature=addfeature
+local extrafeatures={}
+local knownfeatures={}
+function otf.addfeature(name,specification)
+ if type(name)=="table" then
+ specification=name
+ end
+ if type(specification)~="table" then
+ report_otf("invalid feature specification, no valid table")
+ return
+ end
+ specification,name=validspecification(specification,name)
+ if name and specification then
+ local slot=knownfeatures[name]
+ if not slot then
+ slot=#extrafeatures+1
+ knownfeatures[name]=slot
+ elseif specification.overload==false then
+ slot=#extrafeatures+1
+ knownfeatures[name]=slot
+ else
+ end
+ specification.name=name
+ extrafeatures[slot]=specification
+ end
+end
+local function enhance(data,filename,raw)
+ for slot=1,#extrafeatures do
+ local specification=extrafeatures[slot]
+ addfeature(data,specification.name,specification)
+ end
+end
+otf.enhancers.enhance=enhance
+otf.enhancers.register("check extra features",enhance)
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-onr']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local fonts,logs,trackers,resolvers=fonts,logs,trackers,resolvers
+local next,type,tonumber,rawget,rawset=next,type,tonumber,rawget,rawset
+local match,lower,gsub,strip,find=string.match,string.lower,string.gsub,string.strip,string.find
+local char,byte,sub=string.char,string.byte,string.sub
+local abs=math.abs
+local bxor,rshift=bit32.bxor,bit32.rshift
+local P,S,R,Cmt,C,Ct,Cs,Carg,Cf,Cg=lpeg.P,lpeg.S,lpeg.R,lpeg.Cmt,lpeg.C,lpeg.Ct,lpeg.Cs,lpeg.Carg,lpeg.Cf,lpeg.Cg
+local lpegmatch,patterns=lpeg.match,lpeg.patterns
+local trace_indexing=false trackers.register("afm.indexing",function(v) trace_indexing=v end)
+local trace_loading=false trackers.register("afm.loading",function(v) trace_loading=v end)
+local report_afm=logs.reporter("fonts","afm loading")
+local report_pfb=logs.reporter("fonts","pfb loading")
+local handlers=fonts.handlers
+local afm=handlers.afm or {}
+handlers.afm=afm
+local readers=afm.readers or {}
+afm.readers=readers
+afm.version=1.513
+local get_indexes,get_shapes
+do
+ local decrypt
+ do
+ local r,c1,c2,n=0,0,0,0
+ local function step(c)
+ local cipher=byte(c)
+ local plain=bxor(cipher,rshift(r,8))
+ r=((cipher+r)*c1+c2)%65536
+ return char(plain)
+ end
+ decrypt=function(binary,initial,seed)
+ r,c1,c2,n=initial,52845,22719,seed
+ binary=gsub(binary,".",step)
+ return sub(binary,n+1)
+ end
+ end
+ local charstrings=P("/CharStrings")
+ local subroutines=P("/Subrs")
+ local encoding=P("/Encoding")
+ local dup=P("dup")
+ local put=P("put")
+ local array=P("array")
+ local name=P("/")*C((R("az","AZ","09")+S("-_."))^1)
+ local digits=R("09")^1
+ local cardinal=digits/tonumber
+ local spaces=P(" ")^1
+ local spacing=patterns.whitespace^0
+ local routines,vector,chars,n,m
+ local initialize=function(str,position,size)
+ n=0
+ m=size
+ return position+1
+ end
+ local setroutine=function(str,position,index,size,filename)
+ local forward=position+tonumber(size)
+ local stream=decrypt(sub(str,position+1,forward),4330,4)
+ routines[index]={ byte(stream,1,#stream) }
+ return forward
+ end
+ local setvector=function(str,position,name,size,filename)
+ local forward=position+tonumber(size)
+ if n>=m then
+ return #str
+ elseif forward<#str then
+ if n==0 and name~=".notdef" then
+ report_pfb("reserving .notdef at index 0 in %a",filename)
+ n=n+1
+ end
+ vector[n]=name
+ n=n+1
+ return forward
+ else
+ return #str
+ end
+ end
+ local setshapes=function(str,position,name,size,filename)
+ local forward=position+tonumber(size)
+ local stream=sub(str,position+1,forward)
+ if n>m then
+ return #str
+ elseif forward<#str then
+ if n==0 and name~=".notdef" then
+ report_pfb("reserving .notdef at index 0 in %a",filename)
+ n=n+1
+ end
+ vector[n]=name
+ n=n+1
+ chars [n]=decrypt(stream,4330,4)
+ return forward
+ else
+ return #str
+ end
+ end
+ local p_rd=spacing*(P("RD")+P("-|"))
+ local p_np=spacing*(P("NP")+P("|"))
+ local p_nd=spacing*(P("ND")+P("|"))
+ local p_filterroutines=
+ (1-subroutines)^0*subroutines*spaces*Cmt(cardinal,initialize)*(Cmt(cardinal*spaces*cardinal*p_rd*Carg(1),setroutine)*p_np+P(1))^1
+ local p_filtershapes=
+ (1-charstrings)^0*charstrings*spaces*Cmt(cardinal,initialize)*(Cmt(name*spaces*cardinal*p_rd*Carg(1),setshapes)*p_nd+P(1))^1
+ local p_filternames=Ct (
+ (1-charstrings)^0*charstrings*spaces*Cmt(cardinal,initialize)*(Cmt(name*spaces*cardinal*Carg(1),setvector)+P(1))^1
+ )
+ local p_filterencoding=(1-encoding)^0*encoding*spaces*digits*spaces*array*(1-dup)^0*Cf(
+ Ct("")*Cg(spacing*dup*spaces*cardinal*spaces*name*spaces*put)^1
+,rawset)
+ local function loadpfbvector(filename,shapestoo)
+ local data=io.loaddata(resolvers.findfile(filename))
+ if not data then
+ report_pfb("no data in %a",filename)
+ return
+ end
+ if not (find(data,"!PS-AdobeFont-",1,true) or find(data,"%!FontType1",1,true)) then
+ report_pfb("no font in %a",filename)
+ return
+ end
+ local ascii,binary=match(data,"(.*)eexec%s+......(.*)")
+ if not binary then
+ report_pfb("no binary data in %a",filename)
+ return
+ end
+ binary=decrypt(binary,55665,4)
+ local names={}
+ local encoding=lpegmatch(p_filterencoding,ascii)
+ local glyphs={}
+ routines,vector,chars={},{},{}
+ if shapestoo then
+ lpegmatch(p_filterroutines,binary,1,filename)
+ lpegmatch(p_filtershapes,binary,1,filename)
+ local data={
+ dictionaries={
+ {
+ charstrings=chars,
+ charset=vector,
+ subroutines=routines,
+ }
+ },
+ }
+ fonts.handlers.otf.readers.parsecharstrings(false,data,glyphs,true,true)
+ else
+ lpegmatch(p_filternames,binary,1,filename)
+ end
+ names=vector
+ routines,vector,chars=nil,nil,nil
+ return names,encoding,glyphs
+ end
+ local pfb=handlers.pfb or {}
+ handlers.pfb=pfb
+ pfb.loadvector=loadpfbvector
+ get_indexes=function(data,pfbname)
+ local vector=loadpfbvector(pfbname)
+ if vector then
+ local characters=data.characters
+ if trace_loading then
+ report_afm("getting index data from %a",pfbname)
+ end
+ for index=0,#vector do
+ local name=vector[index]
+ local char=characters[name]
+ if char then
+ if trace_indexing then
+ report_afm("glyph %a has index %a",name,index)
+ end
+ char.index=index
+ else
+ if trace_indexing then
+ report_afm("glyph %a has index %a but no data",name,index)
+ end
+ end
+ end
+ end
+ end
+ get_shapes=function(pfbname)
+ local vector,encoding,glyphs=loadpfbvector(pfbname,true)
+ return glyphs
+ end
+end
+local spacer=patterns.spacer
+local whitespace=patterns.whitespace
+local lineend=patterns.newline
+local spacing=spacer^0
+local number=spacing*S("+-")^-1*(R("09")+S("."))^1/tonumber
+local name=spacing*C((1-whitespace)^1)
+local words=spacing*((1-lineend)^1/strip)
+local rest=(1-lineend)^0
+local fontdata=Carg(1)
+local semicolon=spacing*P(";")
+local plus=spacing*P("plus")*number
+local minus=spacing*P("minus")*number
+local function addkernpair(data,one,two,value)
+ local chr=data.characters[one]
+ if chr then
+ local kerns=chr.kerns
+ if kerns then
+ kerns[two]=tonumber(value)
+ else
+ chr.kerns={ [two]=tonumber(value) }
+ end
+ end
+end
+local p_kernpair=(fontdata*P("KPX")*name*name*number)/addkernpair
+local chr=false
+local ind=0
+local function start(data,version)
+ data.metadata.afmversion=version
+ ind=0
+ chr={}
+end
+local function stop()
+ ind=0
+ chr=false
+end
+local function setindex(i)
+ if i<0 then
+ ind=ind+1
+ else
+ ind=i
+ end
+ chr={
+ index=ind
+ }
+end
+local function setwidth(width)
+ chr.width=width
+end
+local function setname(data,name)
+ data.characters[name]=chr
+end
+local function setboundingbox(boundingbox)
+ chr.boundingbox=boundingbox
+end
+local function setligature(plus,becomes)
+ local ligatures=chr.ligatures
+ if ligatures then
+ ligatures[plus]=becomes
+ else
+ chr.ligatures={ [plus]=becomes }
+ end
+end
+local p_charmetric=((
+ P("C")*number/setindex+P("WX")*number/setwidth+P("N")*fontdata*name/setname+P("B")*Ct((number)^4)/setboundingbox+P("L")*(name)^2/setligature
+ )*semicolon )^1
+local p_charmetrics=P("StartCharMetrics")*number*(p_charmetric+(1-P("EndCharMetrics")))^0*P("EndCharMetrics")
+local p_kernpairs=P("StartKernPairs")*number*(p_kernpair+(1-P("EndKernPairs" )))^0*P("EndKernPairs" )
+local function set_1(data,key,a) data.metadata[lower(key)]=a end
+local function set_2(data,key,a,b) data.metadata[lower(key)]={ a,b } end
+local function set_3(data,key,a,b,c) data.metadata[lower(key)]={ a,b,c } end
+local p_parameters=P(false)+fontdata*((P("FontName")+P("FullName")+P("FamilyName"))/lower)*words/function(data,key,value)
+ data.metadata[key]=value
+ end+fontdata*((P("Weight")+P("Version"))/lower)*name/function(data,key,value)
+ data.metadata[key]=value
+ end+fontdata*P("IsFixedPitch")*name/function(data,pitch)
+ data.metadata.monospaced=toboolean(pitch,true)
+ end+fontdata*P("FontBBox")*Ct(number^4)/function(data,boundingbox)
+ data.metadata.boundingbox=boundingbox
+ end+fontdata*((P("CharWidth")+P("CapHeight")+P("XHeight")+P("Descender")+P("Ascender")+P("ItalicAngle"))/lower)*number/function(data,key,value)
+ data.metadata[key]=value
+ end+P("Comment")*spacing*(P(false)+(fontdata*C("DESIGNSIZE")*number*rest)/set_1
++(fontdata*C("TFM designsize")*number*rest)/set_1+(fontdata*C("DesignSize")*number*rest)/set_1+(fontdata*C("CODINGSCHEME")*words*rest)/set_1
++(fontdata*C("CHECKSUM")*number*words*rest)/set_1
++(fontdata*C("SPACE")*number*plus*minus*rest)/set_3
++(fontdata*C("QUAD")*number*rest)/set_1
++(fontdata*C("EXTRASPACE")*number*rest)/set_1
++(fontdata*C("NUM")*number*number*number*rest)/set_3
++(fontdata*C("DENOM")*number*number*rest)/set_2
++(fontdata*C("SUP")*number*number*number*rest)/set_3
++(fontdata*C("SUB")*number*number*rest)/set_2
++(fontdata*C("SUPDROP")*number*rest)/set_1
++(fontdata*C("SUBDROP")*number*rest)/set_1
++(fontdata*C("DELIM")*number*number*rest)/set_2
++(fontdata*C("AXISHEIGHT")*number*rest)/set_1
+ )
+local fullparser=(P("StartFontMetrics")*fontdata*name/start )*(p_charmetrics+p_kernpairs+p_parameters+(1-P("EndFontMetrics")) )^0*(P("EndFontMetrics")/stop )
+local infoparser=(P("StartFontMetrics")*fontdata*name/start )*(p_parameters+(1-P("EndFontMetrics")) )^0*(P("EndFontMetrics")/stop )
+local function read(filename,parser)
+ local afmblob=io.loaddata(filename)
+ if afmblob then
+ local data={
+ resources={
+ filename=resolvers.unresolve(filename),
+ version=afm.version,
+ creator="context mkiv",
+ },
+ properties={
+ hasitalics=false,
+ },
+ goodies={},
+ metadata={
+ filename=file.removesuffix(file.basename(filename))
+ },
+ characters={
+ },
+ descriptions={
+ },
+ }
+ if trace_loading then
+ report_afm("parsing afm file %a",filename)
+ end
+ lpegmatch(parser,afmblob,1,data)
+ return data
+ else
+ if trace_loading then
+ report_afm("no valid afm file %a",filename)
+ end
+ return nil
+ end
+end
+function readers.loadfont(afmname,pfbname)
+ local data=read(resolvers.findfile(afmname),fullparser)
+ if data then
+ if not pfbname or pfbname=="" then
+ pfbname=resolvers.findfile(file.replacesuffix(file.nameonly(afmname),"pfb"))
+ end
+ if pfbname and pfbname~="" then
+ data.resources.filename=resolvers.unresolve(pfbname)
+ get_indexes(data,pfbname)
+ return data
+ else
+ report_afm("no pfb file for %a",afmname)
+ end
+ end
+end
+function readers.loadshapes(filename)
+ local fullname=resolvers.findfile(filename) or ""
+ if fullname=="" then
+ return {
+ filename="not found: "..filename,
+ glyphs={}
+ }
+ else
+ return {
+ filename=fullname,
+ format="opentype",
+ glyphs=get_shapes(fullname) or {},
+ units=1000,
+ }
+ end
+end
+function readers.getinfo(filename)
+ local data=read(resolvers.findfile(filename),infoparser)
+ if data then
+ return data.metadata
+ end
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-one']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local fonts,logs,trackers,containers,resolvers=fonts,logs,trackers,containers,resolvers
+local next,type,tonumber,rawget=next,type,tonumber,rawget
+local match,gsub=string.match,string.gsub
+local abs=math.abs
+local P,S,R,Cmt,C,Ct,Cs,Carg=lpeg.P,lpeg.S,lpeg.R,lpeg.Cmt,lpeg.C,lpeg.Ct,lpeg.Cs,lpeg.Carg
+local lpegmatch,patterns=lpeg.match,lpeg.patterns
+local sortedhash=table.sortedhash
+local trace_features=false trackers.register("afm.features",function(v) trace_features=v end)
+local trace_indexing=false trackers.register("afm.indexing",function(v) trace_indexing=v end)
+local trace_loading=false trackers.register("afm.loading",function(v) trace_loading=v end)
+local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end)
+local report_afm=logs.reporter("fonts","afm loading")
+local setmetatableindex=table.setmetatableindex
+local derivetable=table.derive
+local findbinfile=resolvers.findbinfile
+local privateoffset=fonts.constructors and fonts.constructors.privateoffset or 0xF0000
+local definers=fonts.definers
+local readers=fonts.readers
+local constructors=fonts.constructors
+local afm=constructors.handlers.afm
+local pfb=constructors.handlers.pfb
+local otf=fonts.handlers.otf
+local otfreaders=otf.readers
+local otfenhancers=otf.enhancers
+local afmfeatures=constructors.features.afm
+local registerafmfeature=afmfeatures.register
+local afmenhancers=constructors.enhancers.afm
+local registerafmenhancer=afmenhancers.register
+afm.version=1.513
+afm.cache=containers.define("fonts","one",afm.version,true)
+afm.autoprefixed=true
+afm.helpdata={}
+afm.syncspace=true
+local overloads=fonts.mappings.overloads
+local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes
+function afm.load(filename)
+ filename=resolvers.findfile(filename,'afm') or ""
+ if filename~="" and not fonts.names.ignoredfile(filename) then
+ local name=file.removesuffix(file.basename(filename))
+ local data=containers.read(afm.cache,name)
+ local attr=lfs.attributes(filename)
+ local size,time=attr.size or 0,attr.modification or 0
+ local pfbfile=file.replacesuffix(name,"pfb")
+ local pfbname=resolvers.findfile(pfbfile,"pfb") or ""
+ if pfbname=="" then
+ pfbname=resolvers.findfile(file.basename(pfbfile),"pfb") or ""
+ end
+ local pfbsize,pfbtime=0,0
+ if pfbname~="" then
+ local attr=lfs.attributes(pfbname)
+ pfbsize=attr.size or 0
+ pfbtime=attr.modification or 0
+ end
+ if not data or data.size~=size or data.time~=time or data.pfbsize~=pfbsize or data.pfbtime~=pfbtime then
+ report_afm("reading %a",filename)
+ data=afm.readers.loadfont(filename,pfbname)
+ if data then
+ afmenhancers.apply(data,filename)
+ fonts.mappings.addtounicode(data,filename)
+ otfreaders.pack(data)
+ data.size=size
+ data.time=time
+ data.pfbsize=pfbsize
+ data.pfbtime=pfbtime
+ report_afm("saving %a in cache",name)
+ data=containers.write(afm.cache,name,data)
+ data=containers.read(afm.cache,name)
+ end
+ end
+ if data then
+ otfreaders.unpack(data)
+ otfreaders.expand(data)
+ otfreaders.addunicodetable(data)
+ otfenhancers.apply(data,filename,data)
+ if applyruntimefixes then
+ applyruntimefixes(filename,data)
+ end
+ end
+ return data
+ end
+end
+local uparser=fonts.mappings.makenameparser()
+local function enhance_unify_names(data,filename)
+ local unicodevector=fonts.encodings.agl.unicodes
+ local unicodes={}
+ local names={}
+ local private=data.private or privateoffset
+ local descriptions=data.descriptions
+ for name,blob in sortedhash(data.characters) do
+ local code=unicodevector[name]
+ if not code then
+ code=lpegmatch(uparser,name)
+ if type(code)~="number" then
+ code=private
+ private=private+1
+ report_afm("assigning private slot %U for unknown glyph name %a",code,name)
+ end
+ end
+ local index=blob.index
+ unicodes[name]=code
+ names[name]=index
+ blob.name=name
+ descriptions[code]={
+ boundingbox=blob.boundingbox,
+ width=blob.width,
+ kerns=blob.kerns,
+ index=index,
+ name=name,
+ }
+ end
+ for unicode,description in next,descriptions do
+ local kerns=description.kerns
+ if kerns then
+ local krn={}
+ for name,kern in next,kerns do
+ local unicode=unicodes[name]
+ if unicode then
+ krn[unicode]=kern
+ else
+ end
+ end
+ description.kerns=krn
+ end
+ end
+ data.characters=nil
+ data.private=private
+ local resources=data.resources
+ local filename=resources.filename or file.removesuffix(file.basename(filename))
+ resources.filename=resolvers.unresolve(filename)
+ resources.unicodes=unicodes
+ resources.marks={}
+end
+local everywhere={ ["*"]={ ["*"]=true } }
+local noflags={ false,false,false,false }
+local function enhance_normalize_features(data)
+ local ligatures=setmetatableindex("table")
+ local kerns=setmetatableindex("table")
+ local extrakerns=setmetatableindex("table")
+ for u,c in next,data.descriptions do
+ local l=c.ligatures
+ local k=c.kerns
+ local e=c.extrakerns
+ if l then
+ ligatures[u]=l
+ for u,v in next,l do
+ l[u]={ ligature=v }
+ end
+ c.ligatures=nil
+ end
+ if k then
+ kerns[u]=k
+ for u,v in next,k do
+ k[u]=v
+ end
+ c.kerns=nil
+ end
+ if e then
+ extrakerns[u]=e
+ for u,v in next,e do
+ e[u]=v
+ end
+ c.extrakerns=nil
+ end
+ end
+ local features={
+ gpos={},
+ gsub={},
+ }
+ local sequences={
+ }
+ if next(ligatures) then
+ features.gsub.liga=everywhere
+ data.properties.hasligatures=true
+ sequences[#sequences+1]={
+ features={
+ liga=everywhere,
+ },
+ flags=noflags,
+ name="s_s_0",
+ nofsteps=1,
+ order={ "liga" },
+ type="gsub_ligature",
+ steps={
+ {
+ coverage=ligatures,
+ },
+ },
+ }
+ end
+ if next(kerns) then
+ features.gpos.kern=everywhere
+ data.properties.haskerns=true
+ sequences[#sequences+1]={
+ features={
+ kern=everywhere,
+ },
+ flags=noflags,
+ name="p_s_0",
+ nofsteps=1,
+ order={ "kern" },
+ type="gpos_pair",
+ steps={
+ {
+ format="kern",
+ coverage=kerns,
+ },
+ },
+ }
+ end
+ if next(extrakerns) then
+ features.gpos.extrakerns=everywhere
+ data.properties.haskerns=true
+ sequences[#sequences+1]={
+ features={
+ extrakerns=everywhere,
+ },
+ flags=noflags,
+ name="p_s_1",
+ nofsteps=1,
+ order={ "extrakerns" },
+ type="gpos_pair",
+ steps={
+ {
+ format="kern",
+ coverage=extrakerns,
+ },
+ },
+ }
+ end
+ data.resources.features=features
+ data.resources.sequences=sequences
+end
+local function enhance_fix_names(data)
+ for k,v in next,data.descriptions do
+ local n=v.name
+ local r=overloads[n]
+ if r then
+ local name=r.name
+ if trace_indexing then
+ report_afm("renaming characters %a to %a",n,name)
+ end
+ v.name=name
+ v.unicode=r.unicode
+ end
+ end
+end
+local addthem=function(rawdata,ligatures)
+ if ligatures then
+ local descriptions=rawdata.descriptions
+ local resources=rawdata.resources
+ local unicodes=resources.unicodes
+ for ligname,ligdata in next,ligatures do
+ local one=descriptions[unicodes[ligname]]
+ if one then
+ for _,pair in next,ligdata do
+ local two,three=unicodes[pair[1]],unicodes[pair[2]]
+ if two and three then
+ local ol=one.ligatures
+ if ol then
+ if not ol[two] then
+ ol[two]=three
+ end
+ else
+ one.ligatures={ [two]=three }
+ end
+ end
+ end
+ end
+ end
+ end
+end
+local function enhance_add_ligatures(rawdata)
+ addthem(rawdata,afm.helpdata.ligatures)
+end
+local function enhance_add_extra_kerns(rawdata)
+ local descriptions=rawdata.descriptions
+ local resources=rawdata.resources
+ local unicodes=resources.unicodes
+ local function do_it_left(what)
+ if what then
+ for unicode,description in next,descriptions do
+ local kerns=description.kerns
+ if kerns then
+ local extrakerns
+ for complex,simple in next,what do
+ complex=unicodes[complex]
+ simple=unicodes[simple]
+ if complex and simple then
+ local ks=kerns[simple]
+ if ks and not kerns[complex] then
+ if extrakerns then
+ extrakerns[complex]=ks
+ else
+ extrakerns={ [complex]=ks }
+ end
+ end
+ end
+ end
+ if extrakerns then
+ description.extrakerns=extrakerns
+ end
+ end
+ end
+ end
+ end
+ local function do_it_copy(what)
+ if what then
+ for complex,simple in next,what do
+ complex=unicodes[complex]
+ simple=unicodes[simple]
+ if complex and simple then
+ local complexdescription=descriptions[complex]
+ if complexdescription then
+ local simpledescription=descriptions[complex]
+ if simpledescription then
+ local extrakerns
+ local kerns=simpledescription.kerns
+ if kerns then
+ for unicode,kern in next,kerns do
+ if extrakerns then
+ extrakerns[unicode]=kern
+ else
+ extrakerns={ [unicode]=kern }
+ end
+ end
+ end
+ local extrakerns=simpledescription.extrakerns
+ if extrakerns then
+ for unicode,kern in next,extrakerns do
+ if extrakerns then
+ extrakerns[unicode]=kern
+ else
+ extrakerns={ [unicode]=kern }
+ end
+ end
+ end
+ if extrakerns then
+ complexdescription.extrakerns=extrakerns
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ do_it_left(afm.helpdata.leftkerned)
+ do_it_left(afm.helpdata.bothkerned)
+ do_it_copy(afm.helpdata.bothkerned)
+ do_it_copy(afm.helpdata.rightkerned)
+end
+local function adddimensions(data)
+ if data then
+ for unicode,description in next,data.descriptions do
+ local bb=description.boundingbox
+ if bb then
+ local ht,dp=bb[4],-bb[2]
+ if ht==0 or ht<0 then
+ else
+ description.height=ht
+ end
+ if dp==0 or dp<0 then
+ else
+ description.depth=dp
+ end
+ end
+ end
+ end
+end
+local function copytotfm(data)
+ if data and data.descriptions then
+ local metadata=data.metadata
+ local resources=data.resources
+ local properties=derivetable(data.properties)
+ local descriptions=derivetable(data.descriptions)
+ local goodies=derivetable(data.goodies)
+ local characters={}
+ local parameters={}
+ local unicodes=resources.unicodes
+ for unicode,description in next,data.descriptions do
+ characters[unicode]={}
+ end
+ local filename=constructors.checkedfilename(resources)
+ local fontname=metadata.fontname or metadata.fullname
+ local fullname=metadata.fullname or metadata.fontname
+ local endash=0x0020
+ local emdash=0x2014
+ local spacer="space"
+ local spaceunits=500
+ local monospaced=metadata.monospaced
+ local charwidth=metadata.charwidth
+ local italicangle=metadata.italicangle
+ local charxheight=metadata.xheight and metadata.xheight>0 and metadata.xheight
+ properties.monospaced=monospaced
+ parameters.italicangle=italicangle
+ parameters.charwidth=charwidth
+ parameters.charxheight=charxheight
+ if properties.monospaced then
+ if descriptions[endash] then
+ spaceunits,spacer=descriptions[endash].width,"space"
+ end
+ if not spaceunits and descriptions[emdash] then
+ spaceunits,spacer=descriptions[emdash].width,"emdash"
+ end
+ if not spaceunits and charwidth then
+ spaceunits,spacer=charwidth,"charwidth"
+ end
+ else
+ if descriptions[endash] then
+ spaceunits,spacer=descriptions[endash].width,"space"
+ end
+ if not spaceunits and charwidth then
+ spaceunits,spacer=charwidth,"charwidth"
+ end
+ end
+ spaceunits=tonumber(spaceunits)
+ if spaceunits<200 then
+ end
+ parameters.slant=0
+ parameters.space=spaceunits
+ parameters.space_stretch=500
+ parameters.space_shrink=333
+ parameters.x_height=400
+ parameters.quad=1000
+ if italicangle and italicangle~=0 then
+ parameters.italicangle=italicangle
+ parameters.italicfactor=math.cos(math.rad(90+italicangle))
+ parameters.slant=- math.tan(italicangle*math.pi/180)
+ end
+ if monospaced then
+ parameters.space_stretch=0
+ parameters.space_shrink=0
+ elseif afm.syncspace then
+ parameters.space_stretch=spaceunits/2
+ parameters.space_shrink=spaceunits/3
+ end
+ parameters.extra_space=parameters.space_shrink
+ if charxheight then
+ parameters.x_height=charxheight
+ else
+ local x=0x0078
+ if x then
+ local x=descriptions[x]
+ if x then
+ parameters.x_height=x.height
+ end
+ end
+ end
+ if metadata.sup then
+ local dummy={ 0,0,0 }
+ parameters[ 1]=metadata.designsize or 0
+ parameters[ 2]=metadata.checksum or 0
+ parameters[ 3],
+ parameters[ 4],
+ parameters[ 5]=unpack(metadata.space or dummy)
+ parameters[ 6]=metadata.quad or 0
+ parameters[ 7]=metadata.extraspace or 0
+ parameters[ 8],
+ parameters[ 9],
+ parameters[10]=unpack(metadata.num or dummy)
+ parameters[11],
+ parameters[12]=unpack(metadata.denom or dummy)
+ parameters[13],
+ parameters[14],
+ parameters[15]=unpack(metadata.sup or dummy)
+ parameters[16],
+ parameters[17]=unpack(metadata.sub or dummy)
+ parameters[18]=metadata.supdrop or 0
+ parameters[19]=metadata.subdrop or 0
+ parameters[20],
+ parameters[21]=unpack(metadata.delim or dummy)
+ parameters[22]=metadata.axisheight or 0
+ end
+ parameters.designsize=(metadata.designsize or 10)*65536
+ parameters.ascender=abs(metadata.ascender or 0)
+ parameters.descender=abs(metadata.descender or 0)
+ parameters.units=1000
+ properties.spacer=spacer
+ properties.encodingbytes=2
+ properties.format=fonts.formats[filename] or "type1"
+ properties.filename=filename
+ properties.fontname=fontname
+ properties.fullname=fullname
+ properties.psname=fullname
+ properties.name=filename or fullname or fontname
+ properties.private=properties.private or data.private or privateoffset
+ if next(characters) then
+ return {
+ characters=characters,
+ descriptions=descriptions,
+ parameters=parameters,
+ resources=resources,
+ properties=properties,
+ goodies=goodies,
+ }
+ end
+ end
+ return nil
+end
+function afm.setfeatures(tfmdata,features)
+ local okay=constructors.initializefeatures("afm",tfmdata,features,trace_features,report_afm)
+ if okay then
+ return constructors.collectprocessors("afm",tfmdata,features,trace_features,report_afm)
+ else
+ return {}
+ end
+end
+local function addtables(data)
+ local resources=data.resources
+ local lookuptags=resources.lookuptags
+ local unicodes=resources.unicodes
+ if not lookuptags then
+ lookuptags={}
+ resources.lookuptags=lookuptags
+ end
+ setmetatableindex(lookuptags,function(t,k)
+ local v=type(k)=="number" and ("lookup "..k) or k
+ t[k]=v
+ return v
+ end)
+ if not unicodes then
+ unicodes={}
+ resources.unicodes=unicodes
+ setmetatableindex(unicodes,function(t,k)
+ setmetatableindex(unicodes,nil)
+ for u,d in next,data.descriptions do
+ local n=d.name
+ if n then
+ t[n]=u
+ end
+ end
+ return rawget(t,k)
+ end)
+ end
+ constructors.addcoreunicodes(unicodes)
+end
+local function afmtotfm(specification)
+ local afmname=specification.filename or specification.name
+ if specification.forced=="afm" or specification.format=="afm" then
+ if trace_loading then
+ report_afm("forcing afm format for %a",afmname)
+ end
+ else
+ local tfmname=findbinfile(afmname,"ofm") or ""
+ if tfmname~="" then
+ if trace_loading then
+ report_afm("fallback from afm to tfm for %a",afmname)
+ end
+ return
+ end
+ end
+ if afmname~="" then
+ local features=constructors.checkedfeatures("afm",specification.features.normal)
+ specification.features.normal=features
+ constructors.hashinstance(specification,true)
+ specification=definers.resolve(specification)
+ local cache_id=specification.hash
+ local tfmdata=containers.read(constructors.cache,cache_id)
+ if not tfmdata then
+ local rawdata=afm.load(afmname)
+ if rawdata and next(rawdata) then
+ addtables(rawdata)
+ adddimensions(rawdata)
+ tfmdata=copytotfm(rawdata)
+ if tfmdata and next(tfmdata) then
+ local shared=tfmdata.shared
+ if not shared then
+ shared={}
+ tfmdata.shared=shared
+ end
+ shared.rawdata=rawdata
+ shared.dynamics={}
+ tfmdata.changed={}
+ shared.features=features
+ shared.processes=afm.setfeatures(tfmdata,features)
+ end
+ elseif trace_loading then
+ report_afm("no (valid) afm file found with name %a",afmname)
+ end
+ tfmdata=containers.write(constructors.cache,cache_id,tfmdata)
+ end
+ return tfmdata
+ end
+end
+local function read_from_afm(specification)
+ local tfmdata=afmtotfm(specification)
+ if tfmdata then
+ tfmdata.properties.name=specification.name
+ tfmdata=constructors.scale(tfmdata,specification)
+ local allfeatures=tfmdata.shared.features or specification.features.normal
+ constructors.applymanipulators("afm",tfmdata,allfeatures,trace_features,report_afm)
+ fonts.loggers.register(tfmdata,'afm',specification)
+ end
+ return tfmdata
+end
+registerafmfeature {
+ name="mode",
+ description="mode",
+ initializers={
+ base=otf.modeinitializer,
+ node=otf.modeinitializer,
+ }
+}
+registerafmfeature {
+ name="features",
+ description="features",
+ default=true,
+ initializers={
+ node=otf.nodemodeinitializer,
+ base=otf.basemodeinitializer,
+ },
+ processors={
+ node=otf.featuresprocessor,
+ }
+}
+fonts.formats.afm="type1"
+fonts.formats.pfb="type1"
+local function check_afm(specification,fullname)
+ local foundname=findbinfile(fullname,'afm') or ""
+ if foundname=="" then
+ foundname=fonts.names.getfilename(fullname,"afm") or ""
+ end
+ if foundname=="" and afm.autoprefixed then
+ local encoding,shortname=match(fullname,"^(.-)%-(.*)$")
+ if encoding and shortname and fonts.encodings.known[encoding] then
+ shortname=findbinfile(shortname,'afm') or ""
+ if shortname~="" then
+ foundname=shortname
+ if trace_defining then
+ report_afm("stripping encoding prefix from filename %a",afmname)
+ end
+ end
+ end
+ end
+ if foundname~="" then
+ specification.filename=foundname
+ specification.format="afm"
+ return read_from_afm(specification)
+ end
+end
+function readers.afm(specification,method)
+ local fullname=specification.filename or ""
+ local tfmdata=nil
+ if fullname=="" then
+ local forced=specification.forced or ""
+ if forced~="" then
+ tfmdata=check_afm(specification,specification.name.."."..forced)
+ end
+ if not tfmdata then
+ local check_tfm=readers.check_tfm
+ method=(check_tfm and (method or definers.method or "afm or tfm")) or "afm"
+ if method=="tfm" then
+ tfmdata=check_tfm(specification,specification.name)
+ elseif method=="afm" then
+ tfmdata=check_afm(specification,specification.name)
+ elseif method=="tfm or afm" then
+ tfmdata=check_tfm(specification,specification.name) or check_afm(specification,specification.name)
+ else
+ tfmdata=check_afm(specification,specification.name) or check_tfm(specification,specification.name)
+ end
+ end
+ else
+ tfmdata=check_afm(specification,fullname)
+ end
+ return tfmdata
+end
+function readers.pfb(specification,method)
+ local original=specification.specification
+ if trace_defining then
+ report_afm("using afm reader for %a",original)
+ end
+ specification.forced="afm"
+ local function swap(name)
+ local value=specification[swap]
+ if value then
+ specification[swap]=gsub("%.pfb",".afm",1)
+ end
+ end
+ swap("filename")
+ swap("fullname")
+ swap("forcedname")
+ swap("specification")
+ return readers.afm(specification,method)
+end
+registerafmenhancer("unify names",enhance_unify_names)
+registerafmenhancer("add ligatures",enhance_add_ligatures)
+registerafmenhancer("add extra kerns",enhance_add_extra_kerns)
+registerafmenhancer("normalize features",enhance_normalize_features)
+registerafmenhancer("check extra features",otfenhancers.enhance)
+registerafmenhancer("fix names",enhance_fix_names)
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-afk']={
+ version=1.001,
+ comment="companion to font-lib.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files",
+ dataonly=true,
+}
+local allocate=utilities.storage.allocate
+fonts.handlers.afm.helpdata={
+ ligatures=allocate {
+ ['f']={
+ { 'f','ff' },
+ { 'i','fi' },
+ { 'l','fl' },
+ },
+ ['ff']={
+ { 'i','ffi' }
+ },
+ ['fi']={
+ { 'i','fii' }
+ },
+ ['fl']={
+ { 'i','fli' }
+ },
+ ['s']={
+ { 't','st' }
+ },
+ ['i']={
+ { 'j','ij' }
+ },
+ },
+ texligatures=allocate {
+ ['quoteleft']={
+ { 'quoteleft','quotedblleft' }
+ },
+ ['quoteright']={
+ { 'quoteright','quotedblright' }
+ },
+ ['hyphen']={
+ { 'hyphen','endash' }
+ },
+ ['endash']={
+ { 'hyphen','emdash' }
+ }
+ },
+ leftkerned=allocate {
+ AEligature="A",aeligature="a",
+ OEligature="O",oeligature="o",
+ IJligature="I",ijligature="i",
+ AE="A",ae="a",
+ OE="O",oe="o",
+ IJ="I",ij="i",
+ Ssharp="S",ssharp="s",
+ },
+ rightkerned=allocate {
+ AEligature="E",aeligature="e",
+ OEligature="E",oeligature="e",
+ IJligature="J",ijligature="j",
+ AE="E",ae="e",
+ OE="E",oe="e",
+ IJ="J",ij="j",
+ Ssharp="S",ssharp="s",
+ },
+ bothkerned=allocate {
+ Acircumflex="A",acircumflex="a",
+ Ccircumflex="C",ccircumflex="c",
+ Ecircumflex="E",ecircumflex="e",
+ Gcircumflex="G",gcircumflex="g",
+ Hcircumflex="H",hcircumflex="h",
+ Icircumflex="I",icircumflex="i",
+ Jcircumflex="J",jcircumflex="j",
+ Ocircumflex="O",ocircumflex="o",
+ Scircumflex="S",scircumflex="s",
+ Ucircumflex="U",ucircumflex="u",
+ Wcircumflex="W",wcircumflex="w",
+ Ycircumflex="Y",ycircumflex="y",
+ Agrave="A",agrave="a",
+ Egrave="E",egrave="e",
+ Igrave="I",igrave="i",
+ Ograve="O",ograve="o",
+ Ugrave="U",ugrave="u",
+ Ygrave="Y",ygrave="y",
+ Atilde="A",atilde="a",
+ Itilde="I",itilde="i",
+ Otilde="O",otilde="o",
+ Utilde="U",utilde="u",
+ Ntilde="N",ntilde="n",
+ Adiaeresis="A",adiaeresis="a",Adieresis="A",adieresis="a",
+ Ediaeresis="E",ediaeresis="e",Edieresis="E",edieresis="e",
+ Idiaeresis="I",idiaeresis="i",Idieresis="I",idieresis="i",
+ Odiaeresis="O",odiaeresis="o",Odieresis="O",odieresis="o",
+ Udiaeresis="U",udiaeresis="u",Udieresis="U",udieresis="u",
+ Ydiaeresis="Y",ydiaeresis="y",Ydieresis="Y",ydieresis="y",
+ Aacute="A",aacute="a",
+ Cacute="C",cacute="c",
+ Eacute="E",eacute="e",
+ Iacute="I",iacute="i",
+ Lacute="L",lacute="l",
+ Nacute="N",nacute="n",
+ Oacute="O",oacute="o",
+ Racute="R",racute="r",
+ Sacute="S",sacute="s",
+ Uacute="U",uacute="u",
+ Yacute="Y",yacute="y",
+ Zacute="Z",zacute="z",
+ Dstroke="D",dstroke="d",
+ Hstroke="H",hstroke="h",
+ Tstroke="T",tstroke="t",
+ Cdotaccent="C",cdotaccent="c",
+ Edotaccent="E",edotaccent="e",
+ Gdotaccent="G",gdotaccent="g",
+ Idotaccent="I",idotaccent="i",
+ Zdotaccent="Z",zdotaccent="z",
+ Amacron="A",amacron="a",
+ Emacron="E",emacron="e",
+ Imacron="I",imacron="i",
+ Omacron="O",omacron="o",
+ Umacron="U",umacron="u",
+ Ccedilla="C",ccedilla="c",
+ Kcedilla="K",kcedilla="k",
+ Lcedilla="L",lcedilla="l",
+ Ncedilla="N",ncedilla="n",
+ Rcedilla="R",rcedilla="r",
+ Scedilla="S",scedilla="s",
+ Tcedilla="T",tcedilla="t",
+ Ohungarumlaut="O",ohungarumlaut="o",
+ Uhungarumlaut="U",uhungarumlaut="u",
+ Aogonek="A",aogonek="a",
+ Eogonek="E",eogonek="e",
+ Iogonek="I",iogonek="i",
+ Uogonek="U",uogonek="u",
+ Aring="A",aring="a",
+ Uring="U",uring="u",
+ Abreve="A",abreve="a",
+ Ebreve="E",ebreve="e",
+ Gbreve="G",gbreve="g",
+ Ibreve="I",ibreve="i",
+ Obreve="O",obreve="o",
+ Ubreve="U",ubreve="u",
+ Ccaron="C",ccaron="c",
+ Dcaron="D",dcaron="d",
+ Ecaron="E",ecaron="e",
+ Lcaron="L",lcaron="l",
+ Ncaron="N",ncaron="n",
+ Rcaron="R",rcaron="r",
+ Scaron="S",scaron="s",
+ Tcaron="T",tcaron="t",
+ Zcaron="Z",zcaron="z",
+ dotlessI="I",dotlessi="i",
+ dotlessJ="J",dotlessj="j",
+ AEligature="AE",aeligature="ae",AE="AE",ae="ae",
+ OEligature="OE",oeligature="oe",OE="OE",oe="oe",
+ IJligature="IJ",ijligature="ij",IJ="IJ",ij="ij",
+ Lstroke="L",lstroke="l",Lslash="L",lslash="l",
+ Ostroke="O",ostroke="o",Oslash="O",oslash="o",
+ Ssharp="SS",ssharp="ss",
+ Aumlaut="A",aumlaut="a",
+ Eumlaut="E",eumlaut="e",
+ Iumlaut="I",iumlaut="i",
+ Oumlaut="O",oumlaut="o",
+ Uumlaut="U",uumlaut="u",
+ }
+}
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-tfm']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next,type=next,type
+local match,format=string.match,string.format
+local concat,sortedhash=table.concat,table.sortedhash
+local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end)
+local trace_features=false trackers.register("tfm.features",function(v) trace_features=v end)
+local report_defining=logs.reporter("fonts","defining")
+local report_tfm=logs.reporter("fonts","tfm loading")
+local findbinfile=resolvers.findbinfile
+local setmetatableindex=table.setmetatableindex
+local fonts=fonts
+local handlers=fonts.handlers
+local helpers=fonts.helpers
+local readers=fonts.readers
+local constructors=fonts.constructors
+local encodings=fonts.encodings
+local tfm=constructors.handlers.tfm
+tfm.version=1.000
+tfm.maxnestingdepth=5
+tfm.maxnestingsize=65536*1024
+local otf=fonts.handlers.otf
+local otfenhancers=otf.enhancers
+local tfmfeatures=constructors.features.tfm
+local registertfmfeature=tfmfeatures.register
+local tfmenhancers=constructors.enhancers.tfm
+local registertfmenhancer=tfmenhancers.register
+local charcommand=helpers.commands.char
+constructors.resolvevirtualtoo=false
+fonts.formats.tfm="type1"
+fonts.formats.ofm="type1"
+function tfm.setfeatures(tfmdata,features)
+ local okay=constructors.initializefeatures("tfm",tfmdata,features,trace_features,report_tfm)
+ if okay then
+ return constructors.collectprocessors("tfm",tfmdata,features,trace_features,report_tfm)
+ else
+ return {}
+ end
+end
+local depth={}
+local function read_from_tfm(specification)
+ local filename=specification.filename
+ local size=specification.size
+ depth[filename]=(depth[filename] or 0)+1
+ if trace_defining then
+ report_defining("loading tfm file %a at size %s",filename,size)
+ end
+ local tfmdata=font.read_tfm(filename,size)
+ if tfmdata then
+ local features=specification.features and specification.features.normal or {}
+ local features=constructors.checkedfeatures("tfm",features)
+ specification.features.normal=features
+ local newtfmdata=(depth[filename]==1) and tfm.reencode(tfmdata,specification)
+ if newtfmdata then
+ tfmdata=newtfmdata
+ end
+ local resources=tfmdata.resources or {}
+ local properties=tfmdata.properties or {}
+ local parameters=tfmdata.parameters or {}
+ local shared=tfmdata.shared or {}
+ shared.features=features
+ shared.resources=resources
+ properties.name=tfmdata.name
+ properties.fontname=tfmdata.fontname
+ properties.psname=tfmdata.psname
+ properties.fullname=tfmdata.fullname
+ properties.filename=specification.filename
+ properties.format=fonts.formats.tfm
+ tfmdata.properties=properties
+ tfmdata.resources=resources
+ tfmdata.parameters=parameters
+ tfmdata.shared=shared
+ shared.rawdata={ resources=resources }
+ shared.features=features
+ if newtfmdata then
+ if not resources.marks then
+ resources.marks={}
+ end
+ if not resources.sequences then
+ resources.sequences={}
+ end
+ if not resources.features then
+ resources.features={
+ gsub={},
+ gpos={},
+ }
+ end
+ if not tfmdata.changed then
+ tfmdata.changed={}
+ end
+ if not tfmdata.descriptions then
+ tfmdata.descriptions=tfmdata.characters
+ end
+ otf.readers.addunicodetable(tfmdata)
+ tfmenhancers.apply(tfmdata,filename)
+ constructors.applymanipulators("tfm",tfmdata,features,trace_features,report_tfm)
+ otf.readers.unifymissing(tfmdata)
+ fonts.mappings.addtounicode(tfmdata,filename)
+ tfmdata.tounicode=1
+ local tounicode=fonts.mappings.tounicode
+ for unicode,v in next,tfmdata.characters do
+ local u=v.unicode
+ if u then
+ v.tounicode=tounicode(u)
+ end
+ end
+ if tfmdata.usedbitmap then
+ tfm.addtounicode(tfmdata)
+ end
+ end
+ shared.processes=next(features) and tfm.setfeatures(tfmdata,features) or nil
+ parameters.factor=1
+ parameters.size=size
+ parameters.slant=parameters.slant or parameters[1] or 0
+ parameters.space=parameters.space or parameters[2] or 0
+ parameters.space_stretch=parameters.space_stretch or parameters[3] or 0
+ parameters.space_shrink=parameters.space_shrink or parameters[4] or 0
+ parameters.x_height=parameters.x_height or parameters[5] or 0
+ parameters.quad=parameters.quad or parameters[6] or 0
+ parameters.extra_space=parameters.extra_space or parameters[7] or 0
+ constructors.enhanceparameters(parameters)
+ properties.private=properties.private or tfmdata.private or privateoffset
+ if newtfmdata then
+ elseif constructors.resolvevirtualtoo then
+ fonts.loggers.register(tfmdata,file.suffix(filename),specification)
+ local vfname=findbinfile(specification.name,'ovf')
+ if vfname and vfname~="" then
+ local vfdata=font.read_vf(vfname,size)
+ if vfdata then
+ local chars=tfmdata.characters
+ for k,v in next,vfdata.characters do
+ chars[k].commands=v.commands
+ end
+ properties.virtualized=true
+ tfmdata.fonts=vfdata.fonts
+ tfmdata.type="virtual"
+ local fontlist=vfdata.fonts
+ local name=file.nameonly(filename)
+ for i=1,#fontlist do
+ local n=fontlist[i].name
+ local s=fontlist[i].size
+ local d=depth[filename]
+ s=constructors.scaled(s,vfdata.designsize)
+ if d>tfm.maxnestingdepth then
+ report_defining("too deeply nested virtual font %a with size %a, max nesting depth %s",n,s,tfm.maxnestingdepth)
+ fontlist[i]={ id=0 }
+ elseif (d>1) and (s>tfm.maxnestingsize) then
+ report_defining("virtual font %a exceeds size %s",n,s)
+ fontlist[i]={ id=0 }
+ else
+ local t,id=fonts.constructors.readanddefine(n,s)
+ fontlist[i]={ id=id }
+ end
+ end
+ end
+ end
+ end
+ properties.haskerns=true
+ properties.hasligatures=true
+ resources.unicodes={}
+ resources.lookuptags={}
+ depth[filename]=depth[filename]-1
+ return tfmdata
+ else
+ depth[filename]=depth[filename]-1
+ end
+end
+local function check_tfm(specification,fullname)
+ local foundname=findbinfile(fullname,'tfm') or ""
+ if foundname=="" then
+ foundname=findbinfile(fullname,'ofm') or ""
+ end
+ if foundname=="" then
+ foundname=fonts.names.getfilename(fullname,"tfm") or ""
+ end
+ if foundname~="" then
+ specification.filename=foundname
+ specification.format="ofm"
+ return read_from_tfm(specification)
+ elseif trace_defining then
+ report_defining("loading tfm with name %a fails",specification.name)
+ end
+end
+readers.check_tfm=check_tfm
+function readers.tfm(specification)
+ local fullname=specification.filename or ""
+ if fullname=="" then
+ local forced=specification.forced or ""
+ if forced~="" then
+ fullname=specification.name.."."..forced
+ else
+ fullname=specification.name
+ end
+ end
+ return check_tfm(specification,fullname)
+end
+readers.ofm=readers.tfm
+do
+ local outfiles={}
+ local tfmcache=table.setmetatableindex(function(t,tfmdata)
+ local id=font.define(tfmdata)
+ t[tfmdata]=id
+ return id
+ end)
+ local encdone=table.setmetatableindex("table")
+ function tfm.reencode(tfmdata,specification)
+ local features=specification.features
+ if not features then
+ return
+ end
+ local features=features.normal
+ if not features then
+ return
+ end
+ local tfmfile=file.basename(tfmdata.name)
+ local encfile=features.reencode
+ local pfbfile=features.pfbfile
+ local bitmap=features.bitmap
+ if not encfile then
+ return
+ end
+ local pfbfile=outfiles[tfmfile]
+ if pfbfile==nil then
+ if bitmap then
+ pfbfile=false
+ elseif type(pfbfile)~="string" then
+ pfbfile=tfmfile
+ end
+ if type(pfbfile)=="string" then
+ pfbfile=file.addsuffix(pfbfile,"pfb")
+ report_tfm("using type1 shapes from %a for %a",pfbfile,tfmfile)
+ else
+ report_tfm("using bitmap shapes for %a",tfmfile)
+ pfbfile=false
+ end
+ outfiles[tfmfile]=pfbfile
+ end
+ local encoding=false
+ local vector=false
+ if type(pfbfile)=="string" then
+ local pfb=fonts.constructors.handlers.pfb
+ if pfb and pfb.loadvector then
+ local v,e=pfb.loadvector(pfbfile)
+ if v then
+ vector=v
+ end
+ if e then
+ encoding=e
+ end
+ end
+ end
+ if type(encfile)=="string" and encfile~="auto" then
+ encoding=fonts.encodings.load(file.addsuffix(encfile,"enc"))
+ if encoding then
+ encoding=encoding.vector
+ end
+ end
+ if not encoding then
+ report_tfm("bad encoding for %a, quitting",tfmfile)
+ return
+ end
+ local unicoding=fonts.encodings.agl and fonts.encodings.agl.unicodes
+ local virtualid=tfmcache[tfmdata]
+ local tfmdata=table.copy(tfmdata)
+ local characters={}
+ local originals=tfmdata.characters
+ local indices={}
+ local parentfont={ "font",1 }
+ local private=tfmdata or fonts.constructors.privateoffset
+ local reported=encdone[tfmfile][encfile]
+ local backmap=vector and table.swapped(vector)
+ local done={}
+ for index,name in sortedhash(encoding) do
+ local unicode=unicoding[name]
+ local original=originals[index]
+ if original then
+ if unicode then
+ original.unicode=unicode
+ else
+ unicode=private
+ private=private+1
+ if not reported then
+ report_tfm("glyph %a in font %a with encoding %a gets unicode %U",name,tfmfile,encfile,unicode)
+ end
+ end
+ characters[unicode]=original
+ indices[index]=unicode
+ original.name=name
+ if backmap then
+ original.index=backmap[name]
+ else
+ original.commands={ parentfont,charcommand[index] }
+ original.oindex=index
+ end
+ done[name]=true
+ elseif not done[name] then
+ report_tfm("bad index %a in font %a with name %a",index,tfmfile,name)
+ end
+ end
+ encdone[tfmfile][encfile]=true
+ for k,v in next,characters do
+ local kerns=v.kerns
+ if kerns then
+ local t={}
+ for k,v in next,kerns do
+ local i=indices[k]
+ if i then
+ t[i]=v
+ end
+ end
+ v.kerns=next(t) and t or nil
+ end
+ local ligatures=v.ligatures
+ if ligatures then
+ local t={}
+ for k,v in next,ligatures do
+ local i=indices[k]
+ if i then
+ t[i]=v
+ v.char=indices[v.char]
+ end
+ end
+ v.ligatures=next(t) and t or nil
+ end
+ end
+ tfmdata.fonts={ { id=virtualid } }
+ tfmdata.characters=characters
+ tfmdata.fullname=tfmdata.fullname or tfmdata.name
+ tfmdata.psname=file.nameonly(pfbfile or tfmdata.name)
+ tfmdata.filename=pfbfile
+ tfmdata.encodingbytes=2
+ tfmdata.format="type1"
+ tfmdata.tounicode=1
+ tfmdata.embedding="subset"
+ tfmdata.usedbitmap=bitmap and virtualid
+ tfmdata.private=private
+ return tfmdata
+ end
+end
+do
+ local template=[[
+/CIDInit /ProcSet findresource begin
+ 12 dict begin
+ begincmap
+ /CIDSystemInfo << /Registry (TeX) /Ordering (bitmap-%s) /Supplement 0 >> def
+ /CMapName /TeX-bitmap-%s def
+ /CMapType 2 def
+ 1 begincodespacerange
+ <00> <FF>
+ endcodespacerange
+ %s beginbfchar
+%s
+ endbfchar
+ endcmap
+CMapName currentdict /CMap defineresource pop end
+end
+end
+]]
+ local flushstreamobject=lpdf and lpdf.flushstreamobject
+ local setfontattributes=pdf.setfontattributes
+ if flushstreamobject then
+ else
+ flushstreamobject=function(data)
+ return pdf.obj {
+ immediate=true,
+ type="stream",
+ string=data,
+ }
+ end
+ end
+ if not setfontattributes then
+ setfontattributes=function(id,data)
+ print(format("your luatex is too old so no tounicode bitmap font%i",id))
+ end
+ end
+ function tfm.addtounicode(tfmdata)
+ local id=tfmdata.usedbitmap
+ local map={}
+ local char={}
+ for k,v in next,tfmdata.characters do
+ local index=v.oindex
+ local tounicode=v.tounicode
+ if index and tounicode then
+ map[index]=tounicode
+ end
+ end
+ for k,v in sortedhash(map) do
+ char[#char+1]=format("<%02X> <%s>",k,v)
+ end
+ char=concat(char,"\n")
+ local stream=format(template,id,id,#char,char)
+ local reference=flushstreamobject(stream,nil,true)
+ setfontattributes(id,format("/ToUnicode %i 0 R",reference))
+ end
+end
+do
+ local everywhere={ ["*"]={ ["*"]=true } }
+ local noflags={ false,false,false,false }
+ local function enhance_normalize_features(data)
+ local ligatures=setmetatableindex("table")
+ local kerns=setmetatableindex("table")
+ local characters=data.characters
+ for u,c in next,characters do
+ local l=c.ligatures
+ local k=c.kerns
+ if l then
+ ligatures[u]=l
+ for u,v in next,l do
+ l[u]={ ligature=v.char }
+ end
+ c.ligatures=nil
+ end
+ if k then
+ kerns[u]=k
+ for u,v in next,k do
+ k[u]=v
+ end
+ c.kerns=nil
+ end
+ end
+ for u,l in next,ligatures do
+ for k,v in next,l do
+ local vl=v.ligature
+ local dl=ligatures[vl]
+ if dl then
+ for kk,vv in next,dl do
+ v[kk]=vv
+ end
+ end
+ end
+ end
+ local features={
+ gpos={},
+ gsub={},
+ }
+ local sequences={
+ }
+ if next(ligatures) then
+ features.gsub.liga=everywhere
+ data.properties.hasligatures=true
+ sequences[#sequences+1]={
+ features={
+ liga=everywhere,
+ },
+ flags=noflags,
+ name="s_s_0",
+ nofsteps=1,
+ order={ "liga" },
+ type="gsub_ligature",
+ steps={
+ {
+ coverage=ligatures,
+ },
+ },
+ }
+ end
+ if next(kerns) then
+ features.gpos.kern=everywhere
+ data.properties.haskerns=true
+ sequences[#sequences+1]={
+ features={
+ kern=everywhere,
+ },
+ flags=noflags,
+ name="p_s_0",
+ nofsteps=1,
+ order={ "kern" },
+ type="gpos_pair",
+ steps={
+ {
+ format="kern",
+ coverage=kerns,
+ },
+ },
+ }
+ end
+ data.resources.features=features
+ data.resources.sequences=sequences
+ data.shared.resources=data.shared.resources or resources
+ end
+ registertfmenhancer("normalize features",enhance_normalize_features)
+ registertfmenhancer("check extra features",otfenhancers.enhance)
+end
+registertfmfeature {
+ name="mode",
+ description="mode",
+ initializers={
+ base=otf.modeinitializer,
+ node=otf.modeinitializer,
+ }
+}
+registertfmfeature {
+ name="features",
+ description="features",
+ default=true,
+ initializers={
+ base=otf.basemodeinitializer,
+ node=otf.nodemodeinitializer,
+ },
+ processors={
+ node=otf.featuresprocessor,
+ }
+}
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-lua']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end)
+local report_lua=logs.reporter("fonts","lua loading")
+local fonts=fonts
+local readers=fonts.readers
+fonts.formats.lua="lua"
+local function check_lua(specification,fullname)
+ local fullname=resolvers.findfile(fullname) or ""
+ if fullname~="" then
+ local loader=loadfile(fullname)
+ loader=loader and loader()
+ return loader and loader(specification)
+ end
+end
+readers.check_lua=check_lua
+function readers.lua(specification)
+ local original=specification.specification
+ if trace_defining then
+ report_lua("using lua reader for %a",original)
+ end
+ local fullname=specification.filename or ""
+ if fullname=="" then
+ local forced=specification.forced or ""
+ if forced~="" then
+ fullname=specification.name.."."..forced
+ else
+ fullname=specification.name
+ end
+ end
+ return check_lua(specification,fullname)
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-def']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local lower,gsub=string.lower,string.gsub
+local tostring,next=tostring,next
+local lpegmatch=lpeg.match
+local suffixonly,removesuffix,basename=file.suffix,file.removesuffix,file.basename
+local formatters=string.formatters
+local sortedhash,sortedkeys=table.sortedhash,table.sortedkeys
+local allocate=utilities.storage.allocate
+local trace_defining=false trackers .register("fonts.defining",function(v) trace_defining=v end)
+local directive_embedall=false directives.register("fonts.embedall",function(v) directive_embedall=v end)
+trackers.register("fonts.loading","fonts.defining","otf.loading","afm.loading","tfm.loading")
+local report_defining=logs.reporter("fonts","defining")
+local fonts=fonts
+local fontdata=fonts.hashes.identifiers
+local readers=fonts.readers
+local definers=fonts.definers
+local specifiers=fonts.specifiers
+local constructors=fonts.constructors
+local fontgoodies=fonts.goodies
+readers.sequence=allocate { 'otf','ttf','afm','tfm','lua' }
+local variants=allocate()
+specifiers.variants=variants
+definers.methods=definers.methods or {}
+local internalized=allocate()
+local lastdefined=nil
+local loadedfonts=constructors.loadedfonts
+local designsizes=constructors.designsizes
+local resolvefile=fontgoodies and fontgoodies.filenames and fontgoodies.filenames.resolve or function(s) return s end
+local function makespecification(specification,lookup,name,sub,method,detail,size)
+ size=size or 655360
+ if not lookup or lookup=="" then
+ lookup=definers.defaultlookup
+ end
+ if trace_defining then
+ report_defining("specification %a, lookup %a, name %a, sub %a, method %a, detail %a",
+ specification,lookup,name,sub,method,detail)
+ end
+ local t={
+ lookup=lookup,
+ specification=specification,
+ size=size,
+ name=name,
+ sub=sub,
+ method=method,
+ detail=detail,
+ resolved="",
+ forced="",
+ features={},
+ }
+ return t
+end
+definers.makespecification=makespecification
+if context then
+
+--removed
+
+end
+definers.resolvers=definers.resolvers or {}
+local resolvers=definers.resolvers
+function resolvers.file(specification)
+ local name=resolvefile(specification.name)
+ local suffix=lower(suffixonly(name))
+ if fonts.formats[suffix] then
+ specification.forced=suffix
+ specification.forcedname=name
+ specification.name=removesuffix(name)
+ else
+ specification.name=name
+ end
+end
+function resolvers.name(specification)
+ local resolve=fonts.names.resolve
+ if resolve then
+ local resolved,sub,subindex,instance=resolve(specification.name,specification.sub,specification)
+ if resolved then
+ specification.resolved=resolved
+ specification.sub=sub
+ specification.subindex=subindex
+ if instance then
+ specification.instance=instance
+ local features=specification.features
+ if not features then
+ features={}
+ specification.features=features
+ end
+ local normal=features.normal
+ if not normal then
+ normal={}
+ features.normal=normal
+ end
+ normal.instance=instance
+ if not callbacks.supported.glyph_stream_provider then
+ normal.variableshapes=true
+ end
+ end
+ local suffix=lower(suffixonly(resolved))
+ if fonts.formats[suffix] then
+ specification.forced=suffix
+ specification.forcedname=resolved
+ specification.name=removesuffix(resolved)
+ else
+ specification.name=resolved
+ end
+ end
+ else
+ resolvers.file(specification)
+ end
+end
+function resolvers.spec(specification)
+ local resolvespec=fonts.names.resolvespec
+ if resolvespec then
+ local resolved,sub,subindex=resolvespec(specification.name,specification.sub,specification)
+ if resolved then
+ specification.resolved=resolved
+ specification.sub=sub
+ specification.subindex=subindex
+ specification.forced=lower(suffixonly(resolved))
+ specification.forcedname=resolved
+ specification.name=removesuffix(resolved)
+ end
+ else
+ resolvers.name(specification)
+ end
+end
+function definers.resolve(specification)
+ if not specification.resolved or specification.resolved=="" then
+ local r=resolvers[specification.lookup]
+ if r then
+ r(specification)
+ end
+ end
+ if specification.forced=="" then
+ specification.forced=nil
+ specification.forcedname=nil
+ end
+ specification.hash=lower(specification.name..' @ '..constructors.hashfeatures(specification))
+ if specification.sub and specification.sub~="" then
+ specification.hash=specification.sub..' @ '..specification.hash
+ end
+ return specification
+end
+function definers.applypostprocessors(tfmdata)
+ local postprocessors=tfmdata.postprocessors
+ if postprocessors then
+ local properties=tfmdata.properties
+ for i=1,#postprocessors do
+ local extrahash=postprocessors[i](tfmdata)
+ if type(extrahash)=="string" and extrahash~="" then
+ extrahash=gsub(lower(extrahash),"[^a-z]","-")
+ properties.fullname=formatters["%s-%s"](properties.fullname,extrahash)
+ end
+ end
+ end
+ return tfmdata
+end
+local function checkembedding(tfmdata)
+ local properties=tfmdata.properties
+ local embedding
+ if directive_embedall then
+ embedding="full"
+ elseif properties and properties.filename and constructors.dontembed[properties.filename] then
+ embedding="no"
+ else
+ embedding="subset"
+ end
+ if properties then
+ properties.embedding=embedding
+ else
+ tfmdata.properties={ embedding=embedding }
+ end
+ tfmdata.embedding=embedding
+end
+local function checkfeatures(tfmdata)
+ local resources=tfmdata.resources
+ local shared=tfmdata.shared
+ if resources and shared then
+ local features=resources.features
+ local usedfeatures=shared.features
+ if features and usedfeatures then
+ local usedlanguage=usedfeatures.language or "dflt"
+ local usedscript=usedfeatures.script or "dflt"
+ local function check(what)
+ if what then
+ local foundlanguages={}
+ for feature,scripts in next,what do
+ if usedscript=="auto" or scripts["*"] then
+ elseif not scripts[usedscript] then
+ else
+ for script,languages in next,scripts do
+ if languages["*"] then
+ elseif not languages[usedlanguage] then
+ report_defining("font %!font:name!, feature %a, script %a, no language %a",
+ tfmdata,feature,script,usedlanguage)
+ end
+ end
+ end
+ for script,languages in next,scripts do
+ for language in next,languages do
+ foundlanguages[language]=true
+ end
+ end
+ end
+ if false then
+ foundlanguages["*"]=nil
+ foundlanguages=sortedkeys(foundlanguages)
+ for feature,scripts in sortedhash(what) do
+ for script,languages in next,scripts do
+ if not languages["*"] then
+ for i=1,#foundlanguages do
+ local language=foundlanguages[i]
+ if not languages[language] then
+ report_defining("font %!font:name!, feature %a, script %a, no language %a",
+ tfmdata,feature,script,language)
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ check(features.gsub)
+ check(features.gpos)
+ end
+ end
+end
+function definers.loadfont(specification)
+ local hash=constructors.hashinstance(specification)
+ local tfmdata=loadedfonts[hash]
+ if not tfmdata then
+ local forced=specification.forced or ""
+ if forced~="" then
+ local reader=readers[lower(forced)]
+ tfmdata=reader and reader(specification)
+ if not tfmdata then
+ report_defining("forced type %a of %a not found",forced,specification.name)
+ end
+ else
+ local sequence=readers.sequence
+ for s=1,#sequence do
+ local reader=sequence[s]
+ if readers[reader] then
+ if trace_defining then
+ report_defining("trying (reader sequence driven) type %a for %a with file %a",reader,specification.name,specification.filename)
+ end
+ tfmdata=readers[reader](specification)
+ if tfmdata then
+ break
+ else
+ specification.filename=nil
+ end
+ end
+ end
+ end
+ if tfmdata then
+ tfmdata=definers.applypostprocessors(tfmdata)
+ checkembedding(tfmdata)
+ loadedfonts[hash]=tfmdata
+ designsizes[specification.hash]=tfmdata.parameters.designsize
+ checkfeatures(tfmdata)
+ end
+ end
+ if not tfmdata then
+ report_defining("font with asked name %a is not found using lookup %a",specification.name,specification.lookup)
+ end
+ return tfmdata
+end
+function constructors.readanddefine(name,size)
+ local specification=definers.analyze(name,size)
+ local method=specification.method
+ if method and variants[method] then
+ specification=variants[method](specification)
+ end
+ specification=definers.resolve(specification)
+ local hash=constructors.hashinstance(specification)
+ local id=definers.registered(hash)
+ if not id then
+ local tfmdata=definers.loadfont(specification)
+ if tfmdata then
+ tfmdata.properties.hash=hash
+ id=font.define(tfmdata)
+ definers.register(tfmdata,id)
+ else
+ id=0
+ end
+ end
+ return fontdata[id],id
+end
+function definers.current()
+ return lastdefined
+end
+function definers.registered(hash)
+ local id=internalized[hash]
+ return id,id and fontdata[id]
+end
+function definers.register(tfmdata,id)
+ if tfmdata and id then
+ local hash=tfmdata.properties.hash
+ if not hash then
+ report_defining("registering font, id %a, name %a, invalid hash",id,tfmdata.properties.filename or "?")
+ elseif not internalized[hash] then
+ internalized[hash]=id
+ if trace_defining then
+ report_defining("registering font, id %s, hash %a",id,hash)
+ end
+ fontdata[id]=tfmdata
+ end
+ end
+end
+function definers.read(specification,size,id)
+ statistics.starttiming(fonts)
+ if type(specification)=="string" then
+ specification=definers.analyze(specification,size)
+ end
+ local method=specification.method
+ if method and variants[method] then
+ specification=variants[method](specification)
+ end
+ specification=definers.resolve(specification)
+ local hash=constructors.hashinstance(specification)
+ local tfmdata=definers.registered(hash)
+ if tfmdata then
+ if trace_defining then
+ report_defining("already hashed: %s",hash)
+ end
+ else
+ tfmdata=definers.loadfont(specification)
+ if tfmdata then
+ if trace_defining then
+ report_defining("loaded and hashed: %s",hash)
+ end
+ tfmdata.properties.hash=hash
+ if id then
+ definers.register(tfmdata,id)
+ end
+ else
+ if trace_defining then
+ report_defining("not loaded and hashed: %s",hash)
+ end
+ end
+ end
+ lastdefined=tfmdata or id
+ if not tfmdata then
+ report_defining("unknown font %a, loading aborted",specification.name)
+ elseif trace_defining and type(tfmdata)=="table" then
+ local properties=tfmdata.properties or {}
+ local parameters=tfmdata.parameters or {}
+ report_defining("using %a font with id %a, name %a, size %a, bytes %a, encoding %a, fullname %a, filename %a",
+ properties.format or "unknown",id or "-",properties.name,parameters.size,properties.encodingbytes,
+ properties.encodingname,properties.fullname,basename(properties.filename))
+ end
+ statistics.stoptiming(fonts)
+ return tfmdata
+end
+function font.getfont(id)
+ return fontdata[id]
+end
+callbacks.register('define_font',definers.read,"definition of fonts (tfmdata preparation)")
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['luatex-fonts-def']={
+ version=1.001,
+ comment="companion to luatex-*.tex",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+if context then
+--removed
+
+end
+local fonts=fonts
+fonts.constructors.namemode="specification"
+function fonts.definers.getspecification(str)
+ return "",str,"",":",str
+end
+local list={}
+local function issome () list.lookup='name' end
+local function isfile () list.lookup='file' end
+local function isname () list.lookup='name' end
+local function thename(s) list.name=s end
+local function issub (v) list.sub=v end
+local function iscrap (s) list.crap=string.lower(s) end
+local function iskey (k,v) list[k]=v end
+local function istrue (s) list[s]=true end
+local function isfalse(s) list[s]=false end
+local P,S,R,C,Cs=lpeg.P,lpeg.S,lpeg.R,lpeg.C,lpeg.Cs
+local spaces=P(" ")^0
+local namespec=Cs((P("{")/"")*(1-S("}"))^0*(P("}")/"")+(1-S("/:("))^0)
+local crapspec=spaces*P("/")*(((1-P(":"))^0)/iscrap)*spaces
+local filename_1=P("file:")/isfile*(namespec/thename)
+local filename_2=P("[")*P(true)/isfile*(((1-P("]"))^0)/thename)*P("]")
+local fontname_1=P("name:")/isname*(namespec/thename)
+local fontname_2=P(true)/issome*(namespec/thename)
+local sometext=R("az","AZ","09")^1
+local somekey=R("az","AZ","09")^1
+local somevalue=(P("{")/"")*(1-P("}"))^0*(P("}")/"")+(1-S(";"))^1
+local truevalue=P("+")*spaces*(sometext/istrue)
+local falsevalue=P("-")*spaces*(sometext/isfalse)
+local keyvalue=(C(somekey)*spaces*P("=")*spaces*C(somevalue))/iskey
+local somevalue=sometext/istrue
+local subvalue=P("(")*(C(P(1-S("()"))^1)/issub)*P(")")
+local option=spaces*(keyvalue+falsevalue+truevalue+somevalue)*spaces
+local options=P(":")*spaces*(P(";")^0*option)^0
+local pattern=(filename_1+filename_2+fontname_1+fontname_2)*subvalue^0*crapspec^0*options^0
+function fonts.definers.analyze(str,size)
+ local specification=fonts.definers.makespecification(str,nil,nil,nil,":",nil,size)
+ list={}
+ lpeg.match(pattern,str)
+ list.crap=nil
+ if list.name then
+ specification.name=list.name
+ list.name=nil
+ end
+ if list.lookup then
+ specification.lookup=list.lookup
+ list.lookup=nil
+ end
+ if list.sub then
+ specification.sub=list.sub
+ list.sub=nil
+ end
+ specification.features.normal=fonts.handlers.otf.features.normalize(list)
+ list=nil
+ return specification
+end
+function fonts.definers.applypostprocessors(tfmdata)
+ local postprocessors=tfmdata.postprocessors
+ if postprocessors then
+ for i=1,#postprocessors do
+ local extrahash=postprocessors[i](tfmdata)
+ if type(extrahash)=="string" and extrahash~="" then
+ extrahash=string.gsub(lower(extrahash),"[^a-z]","-")
+ tfmdata.properties.fullname=format("%s-%s",tfmdata.properties.fullname,extrahash)
+ end
+ end
+ end
+ return tfmdata
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['luatex-fonts-ext']={
+ version=1.001,
+ comment="companion to luatex-*.tex",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+if context then
+--removed
+
+end
+local byte=string.byte
+local fonts=fonts
+local handlers=fonts.handlers
+local otf=handlers.otf
+local afm=handlers.afm
+local registerotffeature=otf.features.register
+local registerafmfeature=afm.features.register
+function fonts.loggers.onetimemessage() end
+fonts.protrusions=fonts.protrusions or {}
+fonts.protrusions.setups=fonts.protrusions.setups or {}
+local setups=fonts.protrusions.setups
+setups['default']={
+ factor=1,
+ left=1,
+ right=1,
+ [0x002C]={ 0,1 },
+ [0x002E]={ 0,1 },
+ [0x003A]={ 0,1 },
+ [0x003B]={ 0,1 },
+ [0x002D]={ 0,1 },
+ [0x2013]={ 0,0.50 },
+ [0x2014]={ 0,0.33 },
+ [0x3001]={ 0,1 },
+ [0x3002]={ 0,1 },
+ [0x060C]={ 0,1 },
+ [0x061B]={ 0,1 },
+ [0x06D4]={ 0,1 },
+}
+local function initializeprotrusion(tfmdata,value)
+ if value then
+ local setup=setups[value]
+ if setup then
+ local factor,left,right=setup.factor or 1,setup.left or 1,setup.right or 1
+ local emwidth=tfmdata.parameters.quad
+ tfmdata.parameters.protrusion={
+ auto=true,
+ }
+ for i,chr in next,tfmdata.characters do
+ local v,pl,pr=setup[i],nil,nil
+ if v then
+ pl,pr=v[1],v[2]
+ end
+ if pl and pl~=0 then chr.left_protruding=left*pl*factor end
+ if pr and pr~=0 then chr.right_protruding=right*pr*factor end
+ end
+ end
+ end
+end
+local specification={
+ name="protrusion",
+ description="shift characters into the left and or right margin",
+ initializers={
+ base=initializeprotrusion,
+ node=initializeprotrusion,
+ }
+}
+registerotffeature(specification)
+registerafmfeature(specification)
+fonts.expansions=fonts.expansions or {}
+fonts.expansions.setups=fonts.expansions.setups or {}
+local setups=fonts.expansions.setups
+setups['default']={
+ stretch=2,
+ shrink=2,
+ step=.5,
+ factor=1,
+ [byte('A')]=0.5,[byte('B')]=0.7,[byte('C')]=0.7,[byte('D')]=0.5,[byte('E')]=0.7,
+ [byte('F')]=0.7,[byte('G')]=0.5,[byte('H')]=0.7,[byte('K')]=0.7,[byte('M')]=0.7,
+ [byte('N')]=0.7,[byte('O')]=0.5,[byte('P')]=0.7,[byte('Q')]=0.5,[byte('R')]=0.7,
+ [byte('S')]=0.7,[byte('U')]=0.7,[byte('W')]=0.7,[byte('Z')]=0.7,
+ [byte('a')]=0.7,[byte('b')]=0.7,[byte('c')]=0.7,[byte('d')]=0.7,[byte('e')]=0.7,
+ [byte('g')]=0.7,[byte('h')]=0.7,[byte('k')]=0.7,[byte('m')]=0.7,[byte('n')]=0.7,
+ [byte('o')]=0.7,[byte('p')]=0.7,[byte('q')]=0.7,[byte('s')]=0.7,[byte('u')]=0.7,
+ [byte('w')]=0.7,[byte('z')]=0.7,
+ [byte('2')]=0.7,[byte('3')]=0.7,[byte('6')]=0.7,[byte('8')]=0.7,[byte('9')]=0.7,
+}
+local function initializeexpansion(tfmdata,value)
+ if value then
+ local setup=setups[value]
+ if setup then
+ local factor=setup.factor or 1
+ tfmdata.parameters.expansion={
+ stretch=10*(setup.stretch or 0),
+ shrink=10*(setup.shrink or 0),
+ step=10*(setup.step or 0),
+ auto=true,
+ }
+ for i,chr in next,tfmdata.characters do
+ local v=setup[i]
+ if v and v~=0 then
+ chr.expansion_factor=v*factor
+ else
+ chr.expansion_factor=factor
+ end
+ end
+ end
+ end
+end
+local specification={
+ name="expansion",
+ description="apply hz optimization",
+ initializers={
+ base=initializeexpansion,
+ node=initializeexpansion,
+ }
+}
+registerotffeature(specification)
+registerafmfeature(specification)
+if not otf.features.normalize then
+ otf.features.normalize=function(t)
+ if t.rand then
+ t.rand="random"
+ end
+ return t
+ end
+end
+function fonts.helpers.nametoslot(name)
+ local t=type(name)
+ if t=="string" then
+ local tfmdata=fonts.hashes.identifiers[currentfont()]
+ local shared=tfmdata and tfmdata.shared
+ local fntdata=shared and shared.rawdata
+ return fntdata and fntdata.resources.unicodes[name]
+ elseif t=="number" then
+ return n
+ end
+end
+fonts.encodings=fonts.encodings or {}
+local reencodings={}
+fonts.encodings.reencodings=reencodings
+local function specialreencode(tfmdata,value)
+ local encoding=value and reencodings[value]
+ if encoding then
+ local temp={}
+ local char=tfmdata.characters
+ for k,v in next,encoding do
+ temp[k]=char[v]
+ end
+ for k,v in next,temp do
+ char[k]=temp[k]
+ end
+ return string.format("reencoded:%s",value)
+ end
+end
+local function initialize(tfmdata,value)
+ tfmdata.postprocessors=tfmdata.postprocessors or {}
+ table.insert(tfmdata.postprocessors,
+ function(tfmdata)
+ return specialreencode(tfmdata,value)
+ end
+ )
+end
+registerotffeature {
+ name="reencode",
+ description="reencode characters",
+ manipulators={
+ base=initialize,
+ node=initialize,
+ }
+}
+local function initialize(tfmdata,key,value)
+ if value then
+ tfmdata.mathparameters=nil
+ end
+end
+registerotffeature {
+ name="ignoremathconstants",
+ description="ignore math constants table",
+ initializers={
+ base=initialize,
+ node=initialize,
+ }
+}
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-imp-tex']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next=next
+local fonts=fonts
+local otf=fonts.handlers.otf
+local registerotffeature=otf.features.register
+local addotffeature=otf.addfeature
+local specification={
+ type="ligature",
+ order={ "tlig" },
+ prepend=true,
+ data={
+ [0x2013]={ 0x002D,0x002D },
+ [0x2014]={ 0x002D,0x002D,0x002D },
+ },
+}
+addotffeature("tlig",specification)
+registerotffeature {
+ name="tlig",
+ description="tex ligatures",
+}
+local specification={
+ type="substitution",
+ order={ "trep" },
+ prepend=true,
+ data={
+ [0x0027]=0x2019,
+ },
+}
+addotffeature("trep",specification)
+registerotffeature {
+ name="trep",
+ description="tex replacements",
+}
+local anum_arabic={
+ [0x0030]=0x0660,
+ [0x0031]=0x0661,
+ [0x0032]=0x0662,
+ [0x0033]=0x0663,
+ [0x0034]=0x0664,
+ [0x0035]=0x0665,
+ [0x0036]=0x0666,
+ [0x0037]=0x0667,
+ [0x0038]=0x0668,
+ [0x0039]=0x0669,
+}
+local anum_persian={
+ [0x0030]=0x06F0,
+ [0x0031]=0x06F1,
+ [0x0032]=0x06F2,
+ [0x0033]=0x06F3,
+ [0x0034]=0x06F4,
+ [0x0035]=0x06F5,
+ [0x0036]=0x06F6,
+ [0x0037]=0x06F7,
+ [0x0038]=0x06F8,
+ [0x0039]=0x06F9,
+}
+local function valid(data)
+ local features=data.resources.features
+ if features then
+ for k,v in next,features do
+ for k,v in next,v do
+ if v.arab then
+ return true
+ end
+ end
+ end
+ end
+end
+local specification={
+ {
+ type="substitution",
+ features={ arab={ urd=true,dflt=true } },
+ order={ "anum" },
+ data=anum_arabic,
+ valid=valid,
+ },
+ {
+ type="substitution",
+ features={ arab={ urd=true } },
+ order={ "anum" },
+ data=anum_persian,
+ valid=valid,
+ },
+}
+addotffeature("anum",specification)
+registerotffeature {
+ name="anum",
+ description="arabic digits",
+}
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-imp-ligatures']={
+ version=1.001,
+ comment="companion to font-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local lpegmatch=lpeg.match
+local utfsplit=utf.split
+local settings_to_array=utilities.parsers.settings_to_array
+local fonts=fonts
+local otf=fonts.handlers.otf
+local registerotffeature=otf.features.register
+local addotffeature=otf.addfeature
+local lookups={}
+local protect={}
+local revert={}
+local zwjchar=0x200C
+local zwj={ zwjchar }
+addotffeature {
+ name="blockligatures",
+ type="chainsubstitution",
+ nocheck=true,
+ prepend=true,
+ future=true,
+ lookups={
+ {
+ type="multiple",
+ data=lookups,
+ },
+ },
+ data={
+ rules=protect,
+ }
+}
+addotffeature {
+ name="blockligatures",
+ type="chainsubstitution",
+ nocheck=true,
+ append=true,
+ overload=false,
+ lookups={
+ {
+ type="ligature",
+ data=lookups,
+ },
+ },
+ data={
+ rules=revert,
+ }
+}
+registerotffeature {
+ name='blockligatures',
+ description='block certain ligatures',
+}
+local splitter=lpeg.splitat(":")
+local function blockligatures(str)
+ local t=settings_to_array(str)
+ for i=1,#t do
+ local ti=t[i]
+ local before,current,after=lpegmatch(splitter,ti)
+ if current and after then
+ if before then
+ before=utfsplit(before)
+ for i=1,#before do
+ before[i]={ before[i] }
+ end
+ end
+ if current then
+ current=utfsplit(current)
+ end
+ if after then
+ after=utfsplit(after)
+ for i=1,#after do
+ after[i]={ after[i] }
+ end
+ end
+ else
+ before=nil
+ current=utfsplit(ti)
+ after=nil
+ end
+ if #current>1 then
+ local one=current[1]
+ local two=current[2]
+ lookups[one]={ one,zwjchar }
+ local one={ one }
+ local two={ two }
+ local new=#protect+1
+ protect[new]={
+ before=before,
+ current={ one,two },
+ after=after,
+ lookups={ 1 },
+ }
+ revert[new]={
+ current={ one,zwj },
+ after={ two },
+ lookups={ 1 },
+ }
+ end
+ end
+end
+otf.helpers.blockligatures=blockligatures
+if context then
+
+--removed
+
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-imp-italics']={
+ version=1.001,
+ comment="companion to font-ini.mkiv and hand-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next=next
+local fonts=fonts
+local handlers=fonts.handlers
+local registerotffeature=handlers.otf.features.register
+local registerafmfeature=handlers.afm.features.register
+local function initialize(tfmdata,key,value)
+ for unicode,character in next,tfmdata.characters do
+ local olditalic=character.italic
+ if olditalic and olditalic~=0 then
+ character.width=character.width+olditalic
+ character.italic=0
+ end
+ end
+end
+local specification={
+ name="italicwidths",
+ description="add italic to width",
+ manipulators={
+ base=initialize,
+ node=initialize,
+ }
+}
+registerotffeature(specification)
+registerafmfeature(specification)
+local function initialize(tfmdata,value)
+ if value then
+ local parameters=tfmdata.parameters
+ local italicangle=parameters.italicangle
+ if italicangle and italicangle~=0 then
+ local properties=tfmdata.properties
+ local factor=tonumber(value) or 1
+ properties.hasitalics=true
+ properties.autoitalicamount=factor*(parameters.uwidth or 40)/2
+ end
+ end
+end
+local specification={
+ name="itlc",
+ description="italic correction",
+ initializers={
+ base=initialize,
+ node=initialize,
+ }
+}
+registerotffeature(specification)
+registerafmfeature(specification)
+if context then
+
+--removed
+
+end
+if context then
+ local letter=characters.is_letter
+ local always=true
+ local function collapseitalics(tfmdata,key,value)
+ local threshold=value==true and 100 or tonumber(value)
+ if threshold and threshold>0 then
+ if threshold>100 then
+ threshold=100
+ end
+ for unicode,data in next,tfmdata.characters do
+ if always or letter[unicode] or letter[data.unicode] then
+ local italic=data.italic
+ if italic and italic~=0 then
+ local width=data.width
+ if width and width~=0 then
+ local delta=threshold*italic/100
+ data.width=width+delta
+ data.italic=italic-delta
+ end
+ end
+ end
+ end
+ end
+ end
+ local dimensions_specification={
+ name="collapseitalics",
+ description="collapse italics",
+ manipulators={
+ base=collapseitalics,
+ node=collapseitalics,
+ }
+ }
+ registerotffeature(dimensions_specification)
+ registerafmfeature(dimensions_specification)
+end
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['font-imp-effects']={
+ version=1.001,
+ comment="companion to font-ini.mkiv and hand-ini.mkiv",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+local next,type,tonumber=next,type,tonumber
+local is_boolean=string.is_boolean
+local fonts=fonts
+local handlers=fonts.handlers
+local registerotffeature=handlers.otf.features.register
+local registerafmfeature=handlers.afm.features.register
+local settings_to_hash=utilities.parsers.settings_to_hash_colon_too
+local helpers=fonts.helpers
+local prependcommands=helpers.prependcommands
+local charcommand=helpers.commands.char
+local leftcommand=helpers.commands.left
+local rightcommand=helpers.commands.right
+local upcommand=helpers.commands.up
+local downcommand=helpers.commands.down
+local dummycommand=helpers.commands.dummy
+local report_effect=logs.reporter("fonts","effect")
+local report_slant=logs.reporter("fonts","slant")
+local report_extend=logs.reporter("fonts","extend")
+local report_squeeze=logs.reporter("fonts","squeeze")
+local trace=false
+trackers.register("fonts.effect",function(v) trace=v end)
+trackers.register("fonts.slant",function(v) trace=v end)
+trackers.register("fonts.extend",function(v) trace=v end)
+trackers.register("fonts.squeeze",function(v) trace=v end)
+local function initializeslant(tfmdata,value)
+ value=tonumber(value)
+ if not value then
+ value=0
+ elseif value>1 then
+ value=1
+ elseif value<-1 then
+ value=-1
+ end
+ if trace then
+ report_slant("applying %0.3f",value)
+ end
+ tfmdata.parameters.slantfactor=value
+end
+local specification={
+ name="slant",
+ description="slant glyphs",
+ initializers={
+ base=initializeslant,
+ node=initializeslant,
+ }
+}
+registerotffeature(specification)
+registerafmfeature(specification)
+local function initializeextend(tfmdata,value)
+ value=tonumber(value)
+ if not value then
+ value=0
+ elseif value>10 then
+ value=10
+ elseif value<-10 then
+ value=-10
+ end
+ if trace then
+ report_extend("applying %0.3f",value)
+ end
+ tfmdata.parameters.extendfactor=value
+end
+local specification={
+ name="extend",
+ description="scale glyphs horizontally",
+ initializers={
+ base=initializeextend,
+ node=initializeextend,
+ }
+}
+registerotffeature(specification)
+registerafmfeature(specification)
+local function initializesqueeze(tfmdata,value)
+ value=tonumber(value)
+ if not value then
+ value=0
+ elseif value>10 then
+ value=10
+ elseif value<-10 then
+ value=-10
+ end
+ if trace then
+ report_squeeze("applying %0.3f",value)
+ end
+ tfmdata.parameters.squeezefactor=value
+end
+local specification={
+ name="squeeze",
+ description="scale glyphs vertically",
+ initializers={
+ base=initializesqueeze,
+ node=initializesqueeze,
+ }
+}
+registerotffeature(specification)
+registerafmfeature(specification)
+local effects={
+ inner=0,
+ normal=0,
+ outer=1,
+ outline=1,
+ both=2,
+ hidden=3,
+}
+local function initializeeffect(tfmdata,value)
+ local spec
+ if type(value)=="number" then
+ spec={ width=value }
+ else
+ spec=settings_to_hash(value)
+ end
+ local effect=spec.effect or "both"
+ local width=tonumber(spec.width) or 0
+ local mode=effects[effect]
+ if not mode then
+ report_effect("invalid effect %a",effect)
+ elseif width==0 and mode==0 then
+ report_effect("invalid width %a for effect %a",width,effect)
+ else
+ local parameters=tfmdata.parameters
+ local properties=tfmdata.properties
+ parameters.mode=mode
+ parameters.width=width*1000
+ if is_boolean(spec.auto)==true then
+ local squeeze=1-width/20
+ local average=(1-squeeze)*width*100
+ spec.squeeze=squeeze
+ spec.extend=1+width/2
+ spec.wdelta=average
+ spec.hdelta=average/2
+ spec.ddelta=average/2
+ spec.vshift=average/2
+ end
+ local factor=tonumber(spec.factor) or 0
+ local hfactor=tonumber(spec.hfactor) or factor
+ local vfactor=tonumber(spec.vfactor) or factor
+ local delta=tonumber(spec.delta) or 1
+ local wdelta=tonumber(spec.wdelta) or delta
+ local hdelta=tonumber(spec.hdelta) or delta
+ local ddelta=tonumber(spec.ddelta) or hdelta
+ local vshift=tonumber(spec.vshift) or 0
+ local slant=spec.slant
+ local extend=spec.extend
+ local squeeze=spec.squeeze
+ if slant then
+ initializeslant(tfmdata,slant)
+ end
+ if extend then
+ initializeextend(tfmdata,extend)
+ end
+ if squeeze then
+ initializesqueeze(tfmdata,squeeze)
+ end
+ properties.effect={
+ effect=effect,
+ width=width,
+ factor=factor,
+ hfactor=hfactor,
+ vfactor=vfactor,
+ wdelta=wdelta,
+ hdelta=hdelta,
+ ddelta=ddelta,
+ vshift=vshift,
+ slant=tfmdata.parameters.slantfactor,
+ extend=tfmdata.parameters.extendfactor,
+ squeeze=tfmdata.parameters.squeezefactor,
+ }
+ end
+end
+local rules={
+ "RadicalRuleThickness",
+ "OverbarRuleThickness",
+ "FractionRuleThickness",
+ "UnderbarRuleThickness",
+}
+local function setmathparameters(tfmdata,characters,mathparameters,dx,dy,squeeze)
+ if delta~=0 then
+ for i=1,#rules do
+ local name=rules[i]
+ local value=mathparameters[name]
+ if value then
+ mathparameters[name]=(squeeze or 1)*(value+dx)
+ end
+ end
+ end
+end
+local function setmathcharacters(tfmdata,characters,mathparameters,dx,dy,squeeze,wdelta,hdelta,ddelta)
+ local function wdpatch(char)
+ if wsnap~=0 then
+ char.width=char.width+wdelta/2
+ end
+ end
+ local function htpatch(char)
+ if hsnap~=0 then
+ local height=char.height
+ if height then
+ char.height=char.height+2*dy
+ end
+ end
+ end
+ local character=characters[0x221A]
+ if character and character.next then
+ local char=character
+ local next=character.next
+ wdpatch(char)
+ htpatch(char)
+ while next do
+ char=characters[next]
+ wdpatch(char)
+ htpatch(char)
+ next=char.next
+ end
+ if char then
+ local v=char.vert_variants
+ if v then
+ local top=v[#v]
+ if top then
+ local char=characters[top.glyph]
+ htpatch(char)
+ end
+ end
+ end
+ end
+end
+local function manipulateeffect(tfmdata)
+ local effect=tfmdata.properties.effect
+ if effect then
+ local characters=tfmdata.characters
+ local parameters=tfmdata.parameters
+ local mathparameters=tfmdata.mathparameters
+ local multiplier=effect.width*100
+ local factor=parameters.factor
+ local hfactor=parameters.hfactor
+ local vfactor=parameters.vfactor
+ local wdelta=effect.wdelta*hfactor*multiplier
+ local hdelta=effect.hdelta*vfactor*multiplier
+ local ddelta=effect.ddelta*vfactor*multiplier
+ local vshift=effect.vshift*vfactor*multiplier
+ local squeeze=effect.squeeze
+ local hshift=wdelta/2
+ local dx=multiplier*vfactor
+ local dy=vshift
+ local factor=(1+effect.factor)*factor
+ local hfactor=(1+effect.hfactor)*hfactor
+ local vfactor=(1+effect.vfactor)*vfactor
+ local vshift=vshift~=0 and upcommand[vshift] or false
+ for unicode,character in next,characters do
+ local oldwidth=character.width
+ local oldheight=character.height
+ local olddepth=character.depth
+ if oldwidth and oldwidth>0 then
+ character.width=oldwidth+wdelta
+ local commands=character.commands
+ local hshift=rightcommand[hshift]
+ if vshift then
+ if commands then
+ prependcommands (commands,
+ hshift,
+ vshift
+ )
+ else
+ character.commands={
+ hshift,
+ vshift,
+ charcommand[unicode]
+ }
+ end
+ else
+ if commands then
+ prependcommands (commands,
+ hshift
+ )
+ else
+ character.commands={
+ hshift,
+ charcommand[unicode]
+ }
+ end
+ end
+ end
+ if oldheight and oldheight>0 then
+ character.height=oldheight+hdelta
+ end
+ if olddepth and olddepth>0 then
+ character.depth=olddepth+ddelta
+ end
+ end
+ if mathparameters then
+ setmathparameters(tfmdata,characters,mathparameters,dx,dy,squeeze)
+ setmathcharacters(tfmdata,characters,mathparameters,dx,dy,squeeze,wdelta,hdelta,ddelta)
+ end
+ parameters.factor=factor
+ parameters.hfactor=hfactor
+ parameters.vfactor=vfactor
+ if trace then
+ report_effect("applying")
+ report_effect(" effect : %s",effect.effect)
+ report_effect(" width : %s => %s",effect.width,multiplier)
+ report_effect(" factor : %s => %s",effect.factor,factor )
+ report_effect(" hfactor : %s => %s",effect.hfactor,hfactor)
+ report_effect(" vfactor : %s => %s",effect.vfactor,vfactor)
+ report_effect(" wdelta : %s => %s",effect.wdelta,wdelta)
+ report_effect(" hdelta : %s => %s",effect.hdelta,hdelta)
+ report_effect(" ddelta : %s => %s",effect.ddelta,ddelta)
+ end
+ end
+end
+local specification={
+ name="effect",
+ description="apply effects to glyphs",
+ initializers={
+ base=initializeeffect,
+ node=initializeeffect,
+ },
+ manipulators={
+ base=manipulateeffect,
+ node=manipulateeffect,
+ },
+}
+registerotffeature(specification)
+registerafmfeature(specification)
+local function initializeoutline(tfmdata,value)
+ value=tonumber(value)
+ if not value then
+ value=0
+ else
+ value=tonumber(value) or 0
+ end
+ local parameters=tfmdata.parameters
+ local properties=tfmdata.properties
+ parameters.mode=effects.outline
+ parameters.width=value*1000
+ properties.effect={
+ effect=effect,
+ width=width,
+ }
+end
+local specification={
+ name="outline",
+ description="outline glyphs",
+ initializers={
+ base=initializeoutline,
+ node=initializeoutline,
+ }
+}
+registerotffeature(specification)
+registerafmfeature(specification)
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+
+fonts.handlers.otf.addfeature {
+ ["dataset"]={
+ {
+ ["data"]={
+ ["À"]={ "A","̀" },
+ ["Á"]={ "A","́" },
+ ["Â"]={ "A","̂" },
+ ["Ã"]={ "A","̃" },
+ ["Ä"]={ "A","̈" },
+ ["Å"]={ "A","̊" },
+ ["Ç"]={ "C","̧" },
+ ["È"]={ "E","̀" },
+ ["É"]={ "E","́" },
+ ["Ê"]={ "E","̂" },
+ ["Ë"]={ "E","̈" },
+ ["Ì"]={ "I","̀" },
+ ["Í"]={ "I","́" },
+ ["Î"]={ "I","̂" },
+ ["Ï"]={ "I","̈" },
+ ["Ñ"]={ "N","̃" },
+ ["Ò"]={ "O","̀" },
+ ["Ó"]={ "O","́" },
+ ["Ô"]={ "O","̂" },
+ ["Õ"]={ "O","̃" },
+ ["Ö"]={ "O","̈" },
+ ["Ù"]={ "U","̀" },
+ ["Ú"]={ "U","́" },
+ ["Û"]={ "U","̂" },
+ ["Ü"]={ "U","̈" },
+ ["Ý"]={ "Y","́" },
+ ["à"]={ "a","̀" },
+ ["á"]={ "a","́" },
+ ["â"]={ "a","̂" },
+ ["ã"]={ "a","̃" },
+ ["ä"]={ "a","̈" },
+ ["å"]={ "a","̊" },
+ ["ç"]={ "c","̧" },
+ ["è"]={ "e","̀" },
+ ["é"]={ "e","́" },
+ ["ê"]={ "e","̂" },
+ ["ë"]={ "e","̈" },
+ ["ì"]={ "i","̀" },
+ ["í"]={ "i","́" },
+ ["î"]={ "i","̂" },
+ ["ï"]={ "i","̈" },
+ ["ñ"]={ "n","̃" },
+ ["ò"]={ "o","̀" },
+ ["ó"]={ "o","́" },
+ ["ô"]={ "o","̂" },
+ ["õ"]={ "o","̃" },
+ ["ö"]={ "o","̈" },
+ ["ù"]={ "u","̀" },
+ ["ú"]={ "u","́" },
+ ["û"]={ "u","̂" },
+ ["ü"]={ "u","̈" },
+ ["ý"]={ "y","́" },
+ ["ÿ"]={ "y","̈" },
+ ["Ā"]={ "A","̄" },
+ ["ā"]={ "a","̄" },
+ ["Ă"]={ "A","̆" },
+ ["ă"]={ "a","̆" },
+ ["Ą"]={ "A","̨" },
+ ["ą"]={ "a","̨" },
+ ["Ć"]={ "C","́" },
+ ["ć"]={ "c","́" },
+ ["Ĉ"]={ "C","̂" },
+ ["ĉ"]={ "c","̂" },
+ ["Ċ"]={ "C","̇" },
+ ["ċ"]={ "c","̇" },
+ ["Č"]={ "C","̌" },
+ ["č"]={ "c","̌" },
+ ["Ď"]={ "D","̌" },
+ ["ď"]={ "d","̌" },
+ ["Ē"]={ "E","̄" },
+ ["ē"]={ "e","̄" },
+ ["Ĕ"]={ "E","̆" },
+ ["ĕ"]={ "e","̆" },
+ ["Ė"]={ "E","̇" },
+ ["ė"]={ "e","̇" },
+ ["Ę"]={ "E","̨" },
+ ["ę"]={ "e","̨" },
+ ["Ě"]={ "E","̌" },
+ ["ě"]={ "e","̌" },
+ ["Ĝ"]={ "G","̂" },
+ ["ĝ"]={ "g","̂" },
+ ["Ğ"]={ "G","̆" },
+ ["ğ"]={ "g","̆" },
+ ["Ġ"]={ "G","̇" },
+ ["ġ"]={ "g","̇" },
+ ["Ģ"]={ "G","̧" },
+ ["ģ"]={ "g","̧" },
+ ["Ĥ"]={ "H","̂" },
+ ["ĥ"]={ "h","̂" },
+ ["Ĩ"]={ "I","̃" },
+ ["ĩ"]={ "i","̃" },
+ ["Ī"]={ "I","̄" },
+ ["ī"]={ "i","̄" },
+ ["Ĭ"]={ "I","̆" },
+ ["ĭ"]={ "i","̆" },
+ ["Į"]={ "I","̨" },
+ ["į"]={ "i","̨" },
+ ["İ"]={ "I","̇" },
+ ["Ĵ"]={ "J","̂" },
+ ["ĵ"]={ "j","̂" },
+ ["Ķ"]={ "K","̧" },
+ ["ķ"]={ "k","̧" },
+ ["Ĺ"]={ "L","́" },
+ ["ĺ"]={ "l","́" },
+ ["Ļ"]={ "L","̧" },
+ ["ļ"]={ "l","̧" },
+ ["Ľ"]={ "L","̌" },
+ ["ľ"]={ "l","̌" },
+ ["Ń"]={ "N","́" },
+ ["ń"]={ "n","́" },
+ ["Ņ"]={ "N","̧" },
+ ["ņ"]={ "n","̧" },
+ ["Ň"]={ "N","̌" },
+ ["ň"]={ "n","̌" },
+ ["Ō"]={ "O","̄" },
+ ["ō"]={ "o","̄" },
+ ["Ŏ"]={ "O","̆" },
+ ["ŏ"]={ "o","̆" },
+ ["Ő"]={ "O","̋" },
+ ["ő"]={ "o","̋" },
+ ["Ŕ"]={ "R","́" },
+ ["ŕ"]={ "r","́" },
+ ["Ŗ"]={ "R","̧" },
+ ["ŗ"]={ "r","̧" },
+ ["Ř"]={ "R","̌" },
+ ["ř"]={ "r","̌" },
+ ["Ś"]={ "S","́" },
+ ["ś"]={ "s","́" },
+ ["Ŝ"]={ "S","̂" },
+ ["ŝ"]={ "s","̂" },
+ ["Ş"]={ "S","̧" },
+ ["ş"]={ "s","̧" },
+ ["Š"]={ "S","̌" },
+ ["š"]={ "s","̌" },
+ ["Ţ"]={ "T","̧" },
+ ["ţ"]={ "t","̧" },
+ ["Ť"]={ "T","̌" },
+ ["ť"]={ "t","̌" },
+ ["Ũ"]={ "U","̃" },
+ ["ũ"]={ "u","̃" },
+ ["Ū"]={ "U","̄" },
+ ["ū"]={ "u","̄" },
+ ["Ŭ"]={ "U","̆" },
+ ["ŭ"]={ "u","̆" },
+ ["Ů"]={ "U","̊" },
+ ["ů"]={ "u","̊" },
+ ["Ű"]={ "U","̋" },
+ ["ű"]={ "u","̋" },
+ ["Ų"]={ "U","̨" },
+ ["ų"]={ "u","̨" },
+ ["Ŵ"]={ "W","̂" },
+ ["ŵ"]={ "w","̂" },
+ ["Ŷ"]={ "Y","̂" },
+ ["ŷ"]={ "y","̂" },
+ ["Ÿ"]={ "Y","̈" },
+ ["Ź"]={ "Z","́" },
+ ["ź"]={ "z","́" },
+ ["Ż"]={ "Z","̇" },
+ ["ż"]={ "z","̇" },
+ ["Ž"]={ "Z","̌" },
+ ["ž"]={ "z","̌" },
+ ["Ơ"]={ "O","̛" },
+ ["ơ"]={ "o","̛" },
+ ["Ư"]={ "U","̛" },
+ ["ư"]={ "u","̛" },
+ ["Ǎ"]={ "A","̌" },
+ ["ǎ"]={ "a","̌" },
+ ["Ǐ"]={ "I","̌" },
+ ["ǐ"]={ "i","̌" },
+ ["Ǒ"]={ "O","̌" },
+ ["ǒ"]={ "o","̌" },
+ ["Ǔ"]={ "U","̌" },
+ ["ǔ"]={ "u","̌" },
+ ["Ǖ"]={ "Ü","̄" },
+ ["ǖ"]={ "ü","̄" },
+ ["Ǘ"]={ "Ü","́" },
+ ["ǘ"]={ "ü","́" },
+ ["Ǚ"]={ "Ü","̌" },
+ ["ǚ"]={ "ü","̌" },
+ ["Ǜ"]={ "Ü","̀" },
+ ["ǜ"]={ "ü","̀" },
+ ["Ǟ"]={ "Ä","̄" },
+ ["ǟ"]={ "ä","̄" },
+ ["Ǡ"]={ "Ȧ","̄" },
+ ["ǡ"]={ "ȧ","̄" },
+ ["Ǣ"]={ "Æ","̄" },
+ ["ǣ"]={ "æ","̄" },
+ ["Ǧ"]={ "G","̌" },
+ ["ǧ"]={ "g","̌" },
+ ["Ǩ"]={ "K","̌" },
+ ["ǩ"]={ "k","̌" },
+ ["Ǫ"]={ "O","̨" },
+ ["ǫ"]={ "o","̨" },
+ ["Ǭ"]={ "Ǫ","̄" },
+ ["ǭ"]={ "ǫ","̄" },
+ ["Ǯ"]={ "Ʒ","̌" },
+ ["ǯ"]={ "ʒ","̌" },
+ ["ǰ"]={ "j","̌" },
+ ["Ǵ"]={ "G","́" },
+ ["ǵ"]={ "g","́" },
+ ["Ǹ"]={ "N","̀" },
+ ["ǹ"]={ "n","̀" },
+ ["Ǻ"]={ "Å","́" },
+ ["ǻ"]={ "å","́" },
+ ["Ǽ"]={ "Æ","́" },
+ ["ǽ"]={ "æ","́" },
+ ["Ǿ"]={ "Ø","́" },
+ ["ǿ"]={ "ø","́" },
+ ["Ȁ"]={ "A","̏" },
+ ["ȁ"]={ "a","̏" },
+ ["Ȃ"]={ "A","̑" },
+ ["ȃ"]={ "a","̑" },
+ ["Ȅ"]={ "E","̏" },
+ ["ȅ"]={ "e","̏" },
+ ["Ȇ"]={ "E","̑" },
+ ["ȇ"]={ "e","̑" },
+ ["Ȉ"]={ "I","̏" },
+ ["ȉ"]={ "i","̏" },
+ ["Ȋ"]={ "I","̑" },
+ ["ȋ"]={ "i","̑" },
+ ["Ȍ"]={ "O","̏" },
+ ["ȍ"]={ "o","̏" },
+ ["Ȏ"]={ "O","̑" },
+ ["ȏ"]={ "o","̑" },
+ ["Ȑ"]={ "R","̏" },
+ ["ȑ"]={ "r","̏" },
+ ["Ȓ"]={ "R","̑" },
+ ["ȓ"]={ "r","̑" },
+ ["Ȕ"]={ "U","̏" },
+ ["ȕ"]={ "u","̏" },
+ ["Ȗ"]={ "U","̑" },
+ ["ȗ"]={ "u","̑" },
+ ["Ș"]={ "S","̦" },
+ ["ș"]={ "s","̦" },
+ ["Ț"]={ "T","̦" },
+ ["ț"]={ "t","̦" },
+ ["Ȟ"]={ "H","̌" },
+ ["ȟ"]={ "h","̌" },
+ ["Ȧ"]={ "A","̇" },
+ ["ȧ"]={ "a","̇" },
+ ["Ȩ"]={ "E","̧" },
+ ["ȩ"]={ "e","̧" },
+ ["Ȫ"]={ "Ö","̄" },
+ ["ȫ"]={ "ö","̄" },
+ ["Ȭ"]={ "Õ","̄" },
+ ["ȭ"]={ "õ","̄" },
+ ["Ȯ"]={ "O","̇" },
+ ["ȯ"]={ "o","̇" },
+ ["Ȱ"]={ "Ȯ","̄" },
+ ["ȱ"]={ "ȯ","̄" },
+ ["Ȳ"]={ "Y","̄" },
+ ["ȳ"]={ "y","̄" },
+ ["̈́"]={ "̈","́" },
+ ["΅"]={ "¨","́" },
+ ["Ά"]={ "Α","́" },
+ ["Έ"]={ "Ε","́" },
+ ["Ή"]={ "Η","́" },
+ ["Ί"]={ "Ι","́" },
+ ["Ό"]={ "Ο","́" },
+ ["Ύ"]={ "Υ","́" },
+ ["Ώ"]={ "Ω","́" },
+ ["ΐ"]={ "ϊ","́" },
+ ["Ϊ"]={ "Ι","̈" },
+ ["Ϋ"]={ "Υ","̈" },
+ ["ά"]={ "α","́" },
+ ["έ"]={ "ε","́" },
+ ["ή"]={ "η","́" },
+ ["ί"]={ "ι","́" },
+ ["ΰ"]={ "ϋ","́" },
+ ["ϊ"]={ "ι","̈" },
+ ["ϋ"]={ "υ","̈" },
+ ["ό"]={ "ο","́" },
+ ["ύ"]={ "υ","́" },
+ ["ώ"]={ "ω","́" },
+ ["ϓ"]={ "ϒ","́" },
+ ["ϔ"]={ "ϒ","̈" },
+ ["Ѐ"]={ "Е","̀" },
+ ["Ё"]={ "Е","̈" },
+ ["Ѓ"]={ "Г","́" },
+ ["Ї"]={ "І","̈" },
+ ["Ќ"]={ "К","́" },
+ ["Ѝ"]={ "И","̀" },
+ ["Ў"]={ "У","̆" },
+ ["Й"]={ "И","̆" },
+ ["й"]={ "и","̆" },
+ ["ѐ"]={ "е","̀" },
+ ["ё"]={ "е","̈" },
+ ["ѓ"]={ "г","́" },
+ ["ї"]={ "і","̈" },
+ ["ќ"]={ "к","́" },
+ ["ѝ"]={ "и","̀" },
+ ["ў"]={ "у","̆" },
+ ["Ѷ"]={ "Ѵ","̏" },
+ ["ѷ"]={ "ѵ","̏" },
+ ["Ӂ"]={ "Ж","̆" },
+ ["ӂ"]={ "ж","̆" },
+ ["Ӑ"]={ "А","̆" },
+ ["ӑ"]={ "а","̆" },
+ ["Ӓ"]={ "А","̈" },
+ ["ӓ"]={ "а","̈" },
+ ["Ӗ"]={ "Е","̆" },
+ ["ӗ"]={ "е","̆" },
+ ["Ӛ"]={ "Ә","̈" },
+ ["ӛ"]={ "ә","̈" },
+ ["Ӝ"]={ "Ж","̈" },
+ ["ӝ"]={ "ж","̈" },
+ ["Ӟ"]={ "З","̈" },
+ ["ӟ"]={ "з","̈" },
+ ["Ӣ"]={ "И","̄" },
+ ["ӣ"]={ "и","̄" },
+ ["Ӥ"]={ "И","̈" },
+ ["ӥ"]={ "и","̈" },
+ ["Ӧ"]={ "О","̈" },
+ ["ӧ"]={ "о","̈" },
+ ["Ӫ"]={ "Ө","̈" },
+ ["ӫ"]={ "ө","̈" },
+ ["Ӭ"]={ "Э","̈" },
+ ["ӭ"]={ "э","̈" },
+ ["Ӯ"]={ "У","̄" },
+ ["ӯ"]={ "у","̄" },
+ ["Ӱ"]={ "У","̈" },
+ ["ӱ"]={ "у","̈" },
+ ["Ӳ"]={ "У","̋" },
+ ["ӳ"]={ "у","̋" },
+ ["Ӵ"]={ "Ч","̈" },
+ ["ӵ"]={ "ч","̈" },
+ ["Ӹ"]={ "Ы","̈" },
+ ["ӹ"]={ "ы","̈" },
+ ["آ"]={ "ا","ٓ" },
+ ["أ"]={ "ا","ٔ" },
+ ["ؤ"]={ "و","ٔ" },
+ ["إ"]={ "ا","ٕ" },
+ ["ئ"]={ "ي","ٔ" },
+ ["ۀ"]={ "ە","ٔ" },
+ ["ۂ"]={ "ہ","ٔ" },
+ ["ۓ"]={ "ے","ٔ" },
+ ["ऩ"]={ "न","़" },
+ ["ऱ"]={ "र","़" },
+ ["ऴ"]={ "ळ","़" },
+ ["क़"]={ "क","़" },
+ ["ख़"]={ "ख","़" },
+ ["ग़"]={ "ग","़" },
+ ["ज़"]={ "ज","़" },
+ ["ड़"]={ "ड","़" },
+ ["ढ़"]={ "ढ","़" },
+ ["फ़"]={ "फ","़" },
+ ["य़"]={ "य","़" },
+ ["ো"]={ "ে","া" },
+ ["ৌ"]={ "ে","ৗ" },
+ ["ড়"]={ "ড","়" },
+ ["ঢ়"]={ "ঢ","়" },
+ ["য়"]={ "য","়" },
+ ["ਲ਼"]={ "ਲ","਼" },
+ ["ਸ਼"]={ "ਸ","਼" },
+ ["ਖ਼"]={ "ਖ","਼" },
+ ["ਗ਼"]={ "ਗ","਼" },
+ ["ਜ਼"]={ "ਜ","਼" },
+ ["ਫ਼"]={ "ਫ","਼" },
+ ["ୈ"]={ "େ","ୖ" },
+ ["ୋ"]={ "େ","ା" },
+ ["ୌ"]={ "େ","ୗ" },
+ ["ଡ଼"]={ "ଡ","଼" },
+ ["ଢ଼"]={ "ଢ","଼" },
+ ["ஔ"]={ "ஒ","ௗ" },
+ ["ொ"]={ "ெ","ா" },
+ ["ோ"]={ "ே","ா" },
+ ["ௌ"]={ "ெ","ௗ" },
+ ["ై"]={ "ె","ౖ" },
+ ["ೀ"]={ "ಿ","ೕ" },
+ ["ೇ"]={ "ೆ","ೕ" },
+ ["ೈ"]={ "ೆ","ೖ" },
+ ["ೊ"]={ "ೆ","ೂ" },
+ ["ೋ"]={ "ೊ","ೕ" },
+ ["ൊ"]={ "െ","ാ" },
+ ["ോ"]={ "േ","ാ" },
+ ["ൌ"]={ "െ","ൗ" },
+ ["ේ"]={ "ෙ","්" },
+ ["ො"]={ "ෙ","ා" },
+ ["ෝ"]={ "ො","්" },
+ ["ෞ"]={ "ෙ","ෟ" },
+ ["གྷ"]={ "ག","ྷ" },
+ ["ཌྷ"]={ "ཌ","ྷ" },
+ ["དྷ"]={ "ད","ྷ" },
+ ["བྷ"]={ "བ","ྷ" },
+ ["ཛྷ"]={ "ཛ","ྷ" },
+ ["ཀྵ"]={ "ཀ","ྵ" },
+ ["ཱི"]={ "ཱ","ི" },
+ ["ཱུ"]={ "ཱ","ུ" },
+ ["ྲྀ"]={ "ྲ","ྀ" },
+ ["ླྀ"]={ "ླ","ྀ" },
+ ["ཱྀ"]={ "ཱ","ྀ" },
+ ["ྒྷ"]={ "ྒ","ྷ" },
+ ["ྜྷ"]={ "ྜ","ྷ" },
+ ["ྡྷ"]={ "ྡ","ྷ" },
+ ["ྦྷ"]={ "ྦ","ྷ" },
+ ["ྫྷ"]={ "ྫ","ྷ" },
+ ["ྐྵ"]={ "ྐ","ྵ" },
+ ["ဦ"]={ "ဥ","ီ" },
+ ["ᬆ"]={ "ᬅ","ᬵ" },
+ ["ᬈ"]={ "ᬇ","ᬵ" },
+ ["ᬊ"]={ "ᬉ","ᬵ" },
+ ["ᬌ"]={ "ᬋ","ᬵ" },
+ ["ᬎ"]={ "ᬍ","ᬵ" },
+ ["ᬒ"]={ "ᬑ","ᬵ" },
+ ["ᬻ"]={ "ᬺ","ᬵ" },
+ ["ᬽ"]={ "ᬼ","ᬵ" },
+ ["ᭀ"]={ "ᬾ","ᬵ" },
+ ["ᭁ"]={ "ᬿ","ᬵ" },
+ ["ᭃ"]={ "ᭂ","ᬵ" },
+ ["Ḁ"]={ "A","̥" },
+ ["ḁ"]={ "a","̥" },
+ ["Ḃ"]={ "B","̇" },
+ ["ḃ"]={ "b","̇" },
+ ["Ḅ"]={ "B","̣" },
+ ["ḅ"]={ "b","̣" },
+ ["Ḇ"]={ "B","̱" },
+ ["ḇ"]={ "b","̱" },
+ ["Ḉ"]={ "Ç","́" },
+ ["ḉ"]={ "ç","́" },
+ ["Ḋ"]={ "D","̇" },
+ ["ḋ"]={ "d","̇" },
+ ["Ḍ"]={ "D","̣" },
+ ["ḍ"]={ "d","̣" },
+ ["Ḏ"]={ "D","̱" },
+ ["ḏ"]={ "d","̱" },
+ ["Ḑ"]={ "D","̧" },
+ ["ḑ"]={ "d","̧" },
+ ["Ḓ"]={ "D","̭" },
+ ["ḓ"]={ "d","̭" },
+ ["Ḕ"]={ "Ē","̀" },
+ ["ḕ"]={ "ē","̀" },
+ ["Ḗ"]={ "Ē","́" },
+ ["ḗ"]={ "ē","́" },
+ ["Ḙ"]={ "E","̭" },
+ ["ḙ"]={ "e","̭" },
+ ["Ḛ"]={ "E","̰" },
+ ["ḛ"]={ "e","̰" },
+ ["Ḝ"]={ "Ȩ","̆" },
+ ["ḝ"]={ "ȩ","̆" },
+ ["Ḟ"]={ "F","̇" },
+ ["ḟ"]={ "f","̇" },
+ ["Ḡ"]={ "G","̄" },
+ ["ḡ"]={ "g","̄" },
+ ["Ḣ"]={ "H","̇" },
+ ["ḣ"]={ "h","̇" },
+ ["Ḥ"]={ "H","̣" },
+ ["ḥ"]={ "h","̣" },
+ ["Ḧ"]={ "H","̈" },
+ ["ḧ"]={ "h","̈" },
+ ["Ḩ"]={ "H","̧" },
+ ["ḩ"]={ "h","̧" },
+ ["Ḫ"]={ "H","̮" },
+ ["ḫ"]={ "h","̮" },
+ ["Ḭ"]={ "I","̰" },
+ ["ḭ"]={ "i","̰" },
+ ["Ḯ"]={ "Ï","́" },
+ ["ḯ"]={ "ï","́" },
+ ["Ḱ"]={ "K","́" },
+ ["ḱ"]={ "k","́" },
+ ["Ḳ"]={ "K","̣" },
+ ["ḳ"]={ "k","̣" },
+ ["Ḵ"]={ "K","̱" },
+ ["ḵ"]={ "k","̱" },
+ ["Ḷ"]={ "L","̣" },
+ ["ḷ"]={ "l","̣" },
+ ["Ḹ"]={ "Ḷ","̄" },
+ ["ḹ"]={ "ḷ","̄" },
+ ["Ḻ"]={ "L","̱" },
+ ["ḻ"]={ "l","̱" },
+ ["Ḽ"]={ "L","̭" },
+ ["ḽ"]={ "l","̭" },
+ ["Ḿ"]={ "M","́" },
+ ["ḿ"]={ "m","́" },
+ ["Ṁ"]={ "M","̇" },
+ ["ṁ"]={ "m","̇" },
+ ["Ṃ"]={ "M","̣" },
+ ["ṃ"]={ "m","̣" },
+ ["Ṅ"]={ "N","̇" },
+ ["ṅ"]={ "n","̇" },
+ ["Ṇ"]={ "N","̣" },
+ ["ṇ"]={ "n","̣" },
+ ["Ṉ"]={ "N","̱" },
+ ["ṉ"]={ "n","̱" },
+ ["Ṋ"]={ "N","̭" },
+ ["ṋ"]={ "n","̭" },
+ ["Ṍ"]={ "Õ","́" },
+ ["ṍ"]={ "õ","́" },
+ ["Ṏ"]={ "Õ","̈" },
+ ["ṏ"]={ "õ","̈" },
+ ["Ṑ"]={ "Ō","̀" },
+ ["ṑ"]={ "ō","̀" },
+ ["Ṓ"]={ "Ō","́" },
+ ["ṓ"]={ "ō","́" },
+ ["Ṕ"]={ "P","́" },
+ ["ṕ"]={ "p","́" },
+ ["Ṗ"]={ "P","̇" },
+ ["ṗ"]={ "p","̇" },
+ ["Ṙ"]={ "R","̇" },
+ ["ṙ"]={ "r","̇" },
+ ["Ṛ"]={ "R","̣" },
+ ["ṛ"]={ "r","̣" },
+ ["Ṝ"]={ "Ṛ","̄" },
+ ["ṝ"]={ "ṛ","̄" },
+ ["Ṟ"]={ "R","̱" },
+ ["ṟ"]={ "r","̱" },
+ ["Ṡ"]={ "S","̇" },
+ ["ṡ"]={ "s","̇" },
+ ["Ṣ"]={ "S","̣" },
+ ["ṣ"]={ "s","̣" },
+ ["Ṥ"]={ "Ś","̇" },
+ ["ṥ"]={ "ś","̇" },
+ ["Ṧ"]={ "Š","̇" },
+ ["ṧ"]={ "š","̇" },
+ ["Ṩ"]={ "Ṣ","̇" },
+ ["ṩ"]={ "ṣ","̇" },
+ ["Ṫ"]={ "T","̇" },
+ ["ṫ"]={ "t","̇" },
+ ["Ṭ"]={ "T","̣" },
+ ["ṭ"]={ "t","̣" },
+ ["Ṯ"]={ "T","̱" },
+ ["ṯ"]={ "t","̱" },
+ ["Ṱ"]={ "T","̭" },
+ ["ṱ"]={ "t","̭" },
+ ["Ṳ"]={ "U","̤" },
+ ["ṳ"]={ "u","̤" },
+ ["Ṵ"]={ "U","̰" },
+ ["ṵ"]={ "u","̰" },
+ ["Ṷ"]={ "U","̭" },
+ ["ṷ"]={ "u","̭" },
+ ["Ṹ"]={ "Ũ","́" },
+ ["ṹ"]={ "ũ","́" },
+ ["Ṻ"]={ "Ū","̈" },
+ ["ṻ"]={ "ū","̈" },
+ ["Ṽ"]={ "V","̃" },
+ ["ṽ"]={ "v","̃" },
+ ["Ṿ"]={ "V","̣" },
+ ["ṿ"]={ "v","̣" },
+ ["Ẁ"]={ "W","̀" },
+ ["ẁ"]={ "w","̀" },
+ ["Ẃ"]={ "W","́" },
+ ["ẃ"]={ "w","́" },
+ ["Ẅ"]={ "W","̈" },
+ ["ẅ"]={ "w","̈" },
+ ["Ẇ"]={ "W","̇" },
+ ["ẇ"]={ "w","̇" },
+ ["Ẉ"]={ "W","̣" },
+ ["ẉ"]={ "w","̣" },
+ ["Ẋ"]={ "X","̇" },
+ ["ẋ"]={ "x","̇" },
+ ["Ẍ"]={ "X","̈" },
+ ["ẍ"]={ "x","̈" },
+ ["Ẏ"]={ "Y","̇" },
+ ["ẏ"]={ "y","̇" },
+ ["Ẑ"]={ "Z","̂" },
+ ["ẑ"]={ "z","̂" },
+ ["Ẓ"]={ "Z","̣" },
+ ["ẓ"]={ "z","̣" },
+ ["Ẕ"]={ "Z","̱" },
+ ["ẕ"]={ "z","̱" },
+ ["ẖ"]={ "h","̱" },
+ ["ẗ"]={ "t","̈" },
+ ["ẘ"]={ "w","̊" },
+ ["ẙ"]={ "y","̊" },
+ ["ẛ"]={ "ſ","̇" },
+ ["Ạ"]={ "A","̣" },
+ ["ạ"]={ "a","̣" },
+ ["Ả"]={ "A","̉" },
+ ["ả"]={ "a","̉" },
+ ["Ấ"]={ "Â","́" },
+ ["ấ"]={ "â","́" },
+ ["Ầ"]={ "Â","̀" },
+ ["ầ"]={ "â","̀" },
+ ["Ẩ"]={ "Â","̉" },
+ ["ẩ"]={ "â","̉" },
+ ["Ẫ"]={ "Â","̃" },
+ ["ẫ"]={ "â","̃" },
+ ["Ậ"]={ "Ạ","̂" },
+ ["ậ"]={ "ạ","̂" },
+ ["Ắ"]={ "Ă","́" },
+ ["ắ"]={ "ă","́" },
+ ["Ằ"]={ "Ă","̀" },
+ ["ằ"]={ "ă","̀" },
+ ["Ẳ"]={ "Ă","̉" },
+ ["ẳ"]={ "ă","̉" },
+ ["Ẵ"]={ "Ă","̃" },
+ ["ẵ"]={ "ă","̃" },
+ ["Ặ"]={ "Ạ","̆" },
+ ["ặ"]={ "ạ","̆" },
+ ["Ẹ"]={ "E","̣" },
+ ["ẹ"]={ "e","̣" },
+ ["Ẻ"]={ "E","̉" },
+ ["ẻ"]={ "e","̉" },
+ ["Ẽ"]={ "E","̃" },
+ ["ẽ"]={ "e","̃" },
+ ["Ế"]={ "Ê","́" },
+ ["ế"]={ "ê","́" },
+ ["Ề"]={ "Ê","̀" },
+ ["ề"]={ "ê","̀" },
+ ["Ể"]={ "Ê","̉" },
+ ["ể"]={ "ê","̉" },
+ ["Ễ"]={ "Ê","̃" },
+ ["ễ"]={ "ê","̃" },
+ ["Ệ"]={ "Ẹ","̂" },
+ ["ệ"]={ "ẹ","̂" },
+ ["Ỉ"]={ "I","̉" },
+ ["ỉ"]={ "i","̉" },
+ ["Ị"]={ "I","̣" },
+ ["ị"]={ "i","̣" },
+ ["Ọ"]={ "O","̣" },
+ ["ọ"]={ "o","̣" },
+ ["Ỏ"]={ "O","̉" },
+ ["ỏ"]={ "o","̉" },
+ ["Ố"]={ "Ô","́" },
+ ["ố"]={ "ô","́" },
+ ["Ồ"]={ "Ô","̀" },
+ ["ồ"]={ "ô","̀" },
+ ["Ổ"]={ "Ô","̉" },
+ ["ổ"]={ "ô","̉" },
+ ["Ỗ"]={ "Ô","̃" },
+ ["ỗ"]={ "ô","̃" },
+ ["Ộ"]={ "Ọ","̂" },
+ ["ộ"]={ "ọ","̂" },
+ ["Ớ"]={ "Ơ","́" },
+ ["ớ"]={ "ơ","́" },
+ ["Ờ"]={ "Ơ","̀" },
+ ["ờ"]={ "ơ","̀" },
+ ["Ở"]={ "Ơ","̉" },
+ ["ở"]={ "ơ","̉" },
+ ["Ỡ"]={ "Ơ","̃" },
+ ["ỡ"]={ "ơ","̃" },
+ ["Ợ"]={ "Ơ","̣" },
+ ["ợ"]={ "ơ","̣" },
+ ["Ụ"]={ "U","̣" },
+ ["ụ"]={ "u","̣" },
+ ["Ủ"]={ "U","̉" },
+ ["ủ"]={ "u","̉" },
+ ["Ứ"]={ "Ư","́" },
+ ["ứ"]={ "ư","́" },
+ ["Ừ"]={ "Ư","̀" },
+ ["ừ"]={ "ư","̀" },
+ ["Ử"]={ "Ư","̉" },
+ ["ử"]={ "ư","̉" },
+ ["Ữ"]={ "Ư","̃" },
+ ["ữ"]={ "ư","̃" },
+ ["Ự"]={ "Ư","̣" },
+ ["ự"]={ "ư","̣" },
+ ["Ỳ"]={ "Y","̀" },
+ ["ỳ"]={ "y","̀" },
+ ["Ỵ"]={ "Y","̣" },
+ ["ỵ"]={ "y","̣" },
+ ["Ỷ"]={ "Y","̉" },
+ ["ỷ"]={ "y","̉" },
+ ["Ỹ"]={ "Y","̃" },
+ ["ỹ"]={ "y","̃" },
+ ["ἀ"]={ "α","̓" },
+ ["ἁ"]={ "α","̔" },
+ ["ἂ"]={ "ἀ","̀" },
+ ["ἃ"]={ "ἁ","̀" },
+ ["ἄ"]={ "ἀ","́" },
+ ["ἅ"]={ "ἁ","́" },
+ ["ἆ"]={ "ἀ","͂" },
+ ["ἇ"]={ "ἁ","͂" },
+ ["Ἀ"]={ "Α","̓" },
+ ["Ἁ"]={ "Α","̔" },
+ ["Ἂ"]={ "Ἀ","̀" },
+ ["Ἃ"]={ "Ἁ","̀" },
+ ["Ἄ"]={ "Ἀ","́" },
+ ["Ἅ"]={ "Ἁ","́" },
+ ["Ἆ"]={ "Ἀ","͂" },
+ ["Ἇ"]={ "Ἁ","͂" },
+ ["ἐ"]={ "ε","̓" },
+ ["ἑ"]={ "ε","̔" },
+ ["ἒ"]={ "ἐ","̀" },
+ ["ἓ"]={ "ἑ","̀" },
+ ["ἔ"]={ "ἐ","́" },
+ ["ἕ"]={ "ἑ","́" },
+ ["Ἐ"]={ "Ε","̓" },
+ ["Ἑ"]={ "Ε","̔" },
+ ["Ἒ"]={ "Ἐ","̀" },
+ ["Ἓ"]={ "Ἑ","̀" },
+ ["Ἔ"]={ "Ἐ","́" },
+ ["Ἕ"]={ "Ἑ","́" },
+ ["ἠ"]={ "η","̓" },
+ ["ἡ"]={ "η","̔" },
+ ["ἢ"]={ "ἠ","̀" },
+ ["ἣ"]={ "ἡ","̀" },
+ ["ἤ"]={ "ἠ","́" },
+ ["ἥ"]={ "ἡ","́" },
+ ["ἦ"]={ "ἠ","͂" },
+ ["ἧ"]={ "ἡ","͂" },
+ ["Ἠ"]={ "Η","̓" },
+ ["Ἡ"]={ "Η","̔" },
+ ["Ἢ"]={ "Ἠ","̀" },
+ ["Ἣ"]={ "Ἡ","̀" },
+ ["Ἤ"]={ "Ἠ","́" },
+ ["Ἥ"]={ "Ἡ","́" },
+ ["Ἦ"]={ "Ἠ","͂" },
+ ["Ἧ"]={ "Ἡ","͂" },
+ ["ἰ"]={ "ι","̓" },
+ ["ἱ"]={ "ι","̔" },
+ ["ἲ"]={ "ἰ","̀" },
+ ["ἳ"]={ "ἱ","̀" },
+ ["ἴ"]={ "ἰ","́" },
+ ["ἵ"]={ "ἱ","́" },
+ ["ἶ"]={ "ἰ","͂" },
+ ["ἷ"]={ "ἱ","͂" },
+ ["Ἰ"]={ "Ι","̓" },
+ ["Ἱ"]={ "Ι","̔" },
+ ["Ἲ"]={ "Ἰ","̀" },
+ ["Ἳ"]={ "Ἱ","̀" },
+ ["Ἴ"]={ "Ἰ","́" },
+ ["Ἵ"]={ "Ἱ","́" },
+ ["Ἶ"]={ "Ἰ","͂" },
+ ["Ἷ"]={ "Ἱ","͂" },
+ ["ὀ"]={ "ο","̓" },
+ ["ὁ"]={ "ο","̔" },
+ ["ὂ"]={ "ὀ","̀" },
+ ["ὃ"]={ "ὁ","̀" },
+ ["ὄ"]={ "ὀ","́" },
+ ["ὅ"]={ "ὁ","́" },
+ ["Ὀ"]={ "Ο","̓" },
+ ["Ὁ"]={ "Ο","̔" },
+ ["Ὂ"]={ "Ὀ","̀" },
+ ["Ὃ"]={ "Ὁ","̀" },
+ ["Ὄ"]={ "Ὀ","́" },
+ ["Ὅ"]={ "Ὁ","́" },
+ ["ὐ"]={ "υ","̓" },
+ ["ὑ"]={ "υ","̔" },
+ ["ὒ"]={ "ὐ","̀" },
+ ["ὓ"]={ "ὑ","̀" },
+ ["ὔ"]={ "ὐ","́" },
+ ["ὕ"]={ "ὑ","́" },
+ ["ὖ"]={ "ὐ","͂" },
+ ["ὗ"]={ "ὑ","͂" },
+ ["Ὑ"]={ "Υ","̔" },
+ ["Ὓ"]={ "Ὑ","̀" },
+ ["Ὕ"]={ "Ὑ","́" },
+ ["Ὗ"]={ "Ὑ","͂" },
+ ["ὠ"]={ "ω","̓" },
+ ["ὡ"]={ "ω","̔" },
+ ["ὢ"]={ "ὠ","̀" },
+ ["ὣ"]={ "ὡ","̀" },
+ ["ὤ"]={ "ὠ","́" },
+ ["ὥ"]={ "ὡ","́" },
+ ["ὦ"]={ "ὠ","͂" },
+ ["ὧ"]={ "ὡ","͂" },
+ ["Ὠ"]={ "Ω","̓" },
+ ["Ὡ"]={ "Ω","̔" },
+ ["Ὢ"]={ "Ὠ","̀" },
+ ["Ὣ"]={ "Ὡ","̀" },
+ ["Ὤ"]={ "Ὠ","́" },
+ ["Ὥ"]={ "Ὡ","́" },
+ ["Ὦ"]={ "Ὠ","͂" },
+ ["Ὧ"]={ "Ὡ","͂" },
+ ["ὰ"]={ "α","̀" },
+ ["ὲ"]={ "ε","̀" },
+ ["ὴ"]={ "η","̀" },
+ ["ὶ"]={ "ι","̀" },
+ ["ὸ"]={ "ο","̀" },
+ ["ὺ"]={ "υ","̀" },
+ ["ὼ"]={ "ω","̀" },
+ ["ᾀ"]={ "ἀ","ͅ" },
+ ["ᾁ"]={ "ἁ","ͅ" },
+ ["ᾂ"]={ "ἂ","ͅ" },
+ ["ᾃ"]={ "ἃ","ͅ" },
+ ["ᾄ"]={ "ἄ","ͅ" },
+ ["ᾅ"]={ "ἅ","ͅ" },
+ ["ᾆ"]={ "ἆ","ͅ" },
+ ["ᾇ"]={ "ἇ","ͅ" },
+ ["ᾈ"]={ "Ἀ","ͅ" },
+ ["ᾉ"]={ "Ἁ","ͅ" },
+ ["ᾊ"]={ "Ἂ","ͅ" },
+ ["ᾋ"]={ "Ἃ","ͅ" },
+ ["ᾌ"]={ "Ἄ","ͅ" },
+ ["ᾍ"]={ "Ἅ","ͅ" },
+ ["ᾎ"]={ "Ἆ","ͅ" },
+ ["ᾏ"]={ "Ἇ","ͅ" },
+ ["ᾐ"]={ "ἠ","ͅ" },
+ ["ᾑ"]={ "ἡ","ͅ" },
+ ["ᾒ"]={ "ἢ","ͅ" },
+ ["ᾓ"]={ "ἣ","ͅ" },
+ ["ᾔ"]={ "ἤ","ͅ" },
+ ["ᾕ"]={ "ἥ","ͅ" },
+ ["ᾖ"]={ "ἦ","ͅ" },
+ ["ᾗ"]={ "ἧ","ͅ" },
+ ["ᾘ"]={ "Ἠ","ͅ" },
+ ["ᾙ"]={ "Ἡ","ͅ" },
+ ["ᾚ"]={ "Ἢ","ͅ" },
+ ["ᾛ"]={ "Ἣ","ͅ" },
+ ["ᾜ"]={ "Ἤ","ͅ" },
+ ["ᾝ"]={ "Ἥ","ͅ" },
+ ["ᾞ"]={ "Ἦ","ͅ" },
+ ["ᾟ"]={ "Ἧ","ͅ" },
+ ["ᾠ"]={ "ὠ","ͅ" },
+ ["ᾡ"]={ "ὡ","ͅ" },
+ ["ᾢ"]={ "ὢ","ͅ" },
+ ["ᾣ"]={ "ὣ","ͅ" },
+ ["ᾤ"]={ "ὤ","ͅ" },
+ ["ᾥ"]={ "ὥ","ͅ" },
+ ["ᾦ"]={ "ὦ","ͅ" },
+ ["ᾧ"]={ "ὧ","ͅ" },
+ ["ᾨ"]={ "Ὠ","ͅ" },
+ ["ᾩ"]={ "Ὡ","ͅ" },
+ ["ᾪ"]={ "Ὢ","ͅ" },
+ ["ᾫ"]={ "Ὣ","ͅ" },
+ ["ᾬ"]={ "Ὤ","ͅ" },
+ ["ᾭ"]={ "Ὥ","ͅ" },
+ ["ᾮ"]={ "Ὦ","ͅ" },
+ ["ᾯ"]={ "Ὧ","ͅ" },
+ ["ᾰ"]={ "α","̆" },
+ ["ᾱ"]={ "α","̄" },
+ ["ᾲ"]={ "ὰ","ͅ" },
+ ["ᾳ"]={ "α","ͅ" },
+ ["ᾴ"]={ "ά","ͅ" },
+ ["ᾶ"]={ "α","͂" },
+ ["ᾷ"]={ "ᾶ","ͅ" },
+ ["Ᾰ"]={ "Α","̆" },
+ ["Ᾱ"]={ "Α","̄" },
+ ["Ὰ"]={ "Α","̀" },
+ ["ᾼ"]={ "Α","ͅ" },
+ ["῁"]={ "¨","͂" },
+ ["ῂ"]={ "ὴ","ͅ" },
+ ["ῃ"]={ "η","ͅ" },
+ ["ῄ"]={ "ή","ͅ" },
+ ["ῆ"]={ "η","͂" },
+ ["ῇ"]={ "ῆ","ͅ" },
+ ["Ὲ"]={ "Ε","̀" },
+ ["Ὴ"]={ "Η","̀" },
+ ["ῌ"]={ "Η","ͅ" },
+ ["῍"]={ "᾿","̀" },
+ ["῎"]={ "᾿","́" },
+ ["῏"]={ "᾿","͂" },
+ ["ῐ"]={ "ι","̆" },
+ ["ῑ"]={ "ι","̄" },
+ ["ῒ"]={ "ϊ","̀" },
+ ["ῖ"]={ "ι","͂" },
+ ["ῗ"]={ "ϊ","͂" },
+ ["Ῐ"]={ "Ι","̆" },
+ ["Ῑ"]={ "Ι","̄" },
+ ["Ὶ"]={ "Ι","̀" },
+ ["῝"]={ "῾","̀" },
+ ["῞"]={ "῾","́" },
+ ["῟"]={ "῾","͂" },
+ ["ῠ"]={ "υ","̆" },
+ ["ῡ"]={ "υ","̄" },
+ ["ῢ"]={ "ϋ","̀" },
+ ["ῤ"]={ "ρ","̓" },
+ ["ῥ"]={ "ρ","̔" },
+ ["ῦ"]={ "υ","͂" },
+ ["ῧ"]={ "ϋ","͂" },
+ ["Ῠ"]={ "Υ","̆" },
+ ["Ῡ"]={ "Υ","̄" },
+ ["Ὺ"]={ "Υ","̀" },
+ ["Ῥ"]={ "Ρ","̔" },
+ ["῭"]={ "¨","̀" },
+ ["ῲ"]={ "ὼ","ͅ" },
+ ["ῳ"]={ "ω","ͅ" },
+ ["ῴ"]={ "ώ","ͅ" },
+ ["ῶ"]={ "ω","͂" },
+ ["ῷ"]={ "ῶ","ͅ" },
+ ["Ὸ"]={ "Ο","̀" },
+ ["Ὼ"]={ "Ω","̀" },
+ ["ῼ"]={ "Ω","ͅ" },
+ ["↚"]={ "←","̸" },
+ ["↛"]={ "→","̸" },
+ ["↮"]={ "↔","̸" },
+ ["⇍"]={ "⇐","̸" },
+ ["⇎"]={ "⇔","̸" },
+ ["⇏"]={ "⇒","̸" },
+ ["∄"]={ "∃","̸" },
+ ["∉"]={ "∈","̸" },
+ ["∌"]={ "∋","̸" },
+ ["∤"]={ "∣","̸" },
+ ["∦"]={ "∥","̸" },
+ ["≁"]={ "∼","̸" },
+ ["≄"]={ "≃","̸" },
+ ["≇"]={ "≅","̸" },
+ ["≉"]={ "≈","̸" },
+ ["≠"]={ "=","̸" },
+ ["≢"]={ "≡","̸" },
+ ["≭"]={ "≍","̸" },
+ ["≮"]={ "<","̸" },
+ ["≯"]={ ">","̸" },
+ ["≰"]={ "≤","̸" },
+ ["≱"]={ "≥","̸" },
+ ["≴"]={ "≲","̸" },
+ ["≵"]={ "≳","̸" },
+ ["≸"]={ "≶","̸" },
+ ["≹"]={ "≷","̸" },
+ ["⊀"]={ "≺","̸" },
+ ["⊁"]={ "≻","̸" },
+ ["⊄"]={ "⊂","̸" },
+ ["⊅"]={ "⊃","̸" },
+ ["⊈"]={ "⊆","̸" },
+ ["⊉"]={ "⊇","̸" },
+ ["⊬"]={ "⊢","̸" },
+ ["⊭"]={ "⊨","̸" },
+ ["⊮"]={ "⊩","̸" },
+ ["⊯"]={ "⊫","̸" },
+ ["⋠"]={ "≼","̸" },
+ ["⋡"]={ "≽","̸" },
+ ["⋢"]={ "⊑","̸" },
+ ["⋣"]={ "⊒","̸" },
+ ["⋪"]={ "⊲","̸" },
+ ["⋫"]={ "⊳","̸" },
+ ["⋬"]={ "⊴","̸" },
+ ["⋭"]={ "⊵","̸" },
+ ["⫝̸"]={ "⫝","̸" },
+ ["が"]={ "か","゙" },
+ ["ぎ"]={ "き","゙" },
+ ["ぐ"]={ "く","゙" },
+ ["げ"]={ "け","゙" },
+ ["ご"]={ "こ","゙" },
+ ["ざ"]={ "さ","゙" },
+ ["じ"]={ "し","゙" },
+ ["ず"]={ "す","゙" },
+ ["ぜ"]={ "せ","゙" },
+ ["ぞ"]={ "そ","゙" },
+ ["だ"]={ "た","゙" },
+ ["ぢ"]={ "ち","゙" },
+ ["づ"]={ "つ","゙" },
+ ["で"]={ "て","゙" },
+ ["ど"]={ "と","゙" },
+ ["ば"]={ "は","゙" },
+ ["ぱ"]={ "は","゚" },
+ ["び"]={ "ひ","゙" },
+ ["ぴ"]={ "ひ","゚" },
+ ["ぶ"]={ "ふ","゙" },
+ ["ぷ"]={ "ふ","゚" },
+ ["べ"]={ "へ","゙" },
+ ["ぺ"]={ "へ","゚" },
+ ["ぼ"]={ "ほ","゙" },
+ ["ぽ"]={ "ほ","゚" },
+ ["ゔ"]={ "う","゙" },
+ ["ゞ"]={ "ゝ","゙" },
+ ["ガ"]={ "カ","゙" },
+ ["ギ"]={ "キ","゙" },
+ ["グ"]={ "ク","゙" },
+ ["ゲ"]={ "ケ","゙" },
+ ["ゴ"]={ "コ","゙" },
+ ["ザ"]={ "サ","゙" },
+ ["ジ"]={ "シ","゙" },
+ ["ズ"]={ "ス","゙" },
+ ["ゼ"]={ "セ","゙" },
+ ["ゾ"]={ "ソ","゙" },
+ ["ダ"]={ "タ","゙" },
+ ["ヂ"]={ "チ","゙" },
+ ["ヅ"]={ "ツ","゙" },
+ ["デ"]={ "テ","゙" },
+ ["ド"]={ "ト","゙" },
+ ["バ"]={ "ハ","゙" },
+ ["パ"]={ "ハ","゚" },
+ ["ビ"]={ "ヒ","゙" },
+ ["ピ"]={ "ヒ","゚" },
+ ["ブ"]={ "フ","゙" },
+ ["プ"]={ "フ","゚" },
+ ["ベ"]={ "ヘ","゙" },
+ ["ペ"]={ "ヘ","゚" },
+ ["ボ"]={ "ホ","゙" },
+ ["ポ"]={ "ホ","゚" },
+ ["ヴ"]={ "ウ","゙" },
+ ["ヷ"]={ "ワ","゙" },
+ ["ヸ"]={ "ヰ","゙" },
+ ["ヹ"]={ "ヱ","゙" },
+ ["ヺ"]={ "ヲ","゙" },
+ ["ヾ"]={ "ヽ","゙" },
+ ["יִ"]={ "י","ִ" },
+ ["ײַ"]={ "ײ","ַ" },
+ ["שׁ"]={ "ש","ׁ" },
+ ["שׂ"]={ "ש","ׂ" },
+ ["שּׁ"]={ "שּ","ׁ" },
+ ["שּׂ"]={ "שּ","ׂ" },
+ ["אַ"]={ "א","ַ" },
+ ["אָ"]={ "א","ָ" },
+ ["אּ"]={ "א","ּ" },
+ ["בּ"]={ "ב","ּ" },
+ ["גּ"]={ "ג","ּ" },
+ ["דּ"]={ "ד","ּ" },
+ ["הּ"]={ "ה","ּ" },
+ ["וּ"]={ "ו","ּ" },
+ ["זּ"]={ "ז","ּ" },
+ ["טּ"]={ "ט","ּ" },
+ ["יּ"]={ "י","ּ" },
+ ["ךּ"]={ "ך","ּ" },
+ ["כּ"]={ "כ","ּ" },
+ ["לּ"]={ "ל","ּ" },
+ ["מּ"]={ "מ","ּ" },
+ ["נּ"]={ "נ","ּ" },
+ ["סּ"]={ "ס","ּ" },
+ ["ףּ"]={ "ף","ּ" },
+ ["פּ"]={ "פ","ּ" },
+ ["צּ"]={ "צ","ּ" },
+ ["קּ"]={ "ק","ּ" },
+ ["רּ"]={ "ר","ּ" },
+ ["שּ"]={ "ש","ּ" },
+ ["תּ"]={ "ת","ּ" },
+ ["וֹ"]={ "ו","ֹ" },
+ ["בֿ"]={ "ב","ֿ" },
+ ["כֿ"]={ "כ","ֿ" },
+ ["פֿ"]={ "פ","ֿ" },
+ ["𑂚"]={ "𑂙","𑂺" },
+ ["𑂜"]={ "𑂛","𑂺" },
+ ["𑂫"]={ "𑂥","𑂺" },
+ ["𑄮"]={ "𑄱","𑄧" },
+ ["𑄯"]={ "𑄲","𑄧" },
+ ["𑍋"]={ "𑍇","𑌾" },
+ ["𑍌"]={ "𑍇","𑍗" },
+ ["𑒻"]={ "𑒹","𑒺" },
+ ["𑒼"]={ "𑒹","𑒰" },
+ ["𑒾"]={ "𑒹","𑒽" },
+ ["𑖺"]={ "𑖸","𑖯" },
+ ["𑖻"]={ "𑖹","𑖯" },
+ ["𝅗𝅥"]={ "𝅗","𝅥" },
+ ["𝅘𝅥"]={ "𝅘","𝅥" },
+ ["𝅘𝅥𝅮"]={ "𝅘𝅥","𝅮" },
+ ["𝅘𝅥𝅯"]={ "𝅘𝅥","𝅯" },
+ ["𝅘𝅥𝅰"]={ "𝅘𝅥","𝅰" },
+ ["𝅘𝅥𝅱"]={ "𝅘𝅥","𝅱" },
+ ["𝅘𝅥𝅲"]={ "𝅘𝅥","𝅲" },
+ ["𝆹𝅥"]={ "𝆹","𝅥" },
+ ["𝆺𝅥"]={ "𝆺","𝅥" },
+ ["𝆹𝅥𝅮"]={ "𝆹𝅥","𝅮" },
+ ["𝆺𝅥𝅮"]={ "𝆺𝅥","𝅮" },
+ ["𝆹𝅥𝅯"]={ "𝆹𝅥","𝅯" },
+ ["𝆺𝅥𝅯"]={ "𝆺𝅥","𝅯" },
+ },
+ },
+ {
+ ["data"]={
+ ["À"]={ "A","̀" },
+ ["Á"]={ "A","́" },
+ ["Â"]={ "A","̂" },
+ ["Ã"]={ "A","̃" },
+ ["Ä"]={ "A","̈" },
+ ["Å"]={ "A","̊" },
+ ["Ç"]={ "C","̧" },
+ ["È"]={ "E","̀" },
+ ["É"]={ "E","́" },
+ ["Ê"]={ "E","̂" },
+ ["Ë"]={ "E","̈" },
+ ["Ì"]={ "I","̀" },
+ ["Í"]={ "I","́" },
+ ["Î"]={ "I","̂" },
+ ["Ï"]={ "I","̈" },
+ ["Ñ"]={ "N","̃" },
+ ["Ò"]={ "O","̀" },
+ ["Ó"]={ "O","́" },
+ ["Ô"]={ "O","̂" },
+ ["Õ"]={ "O","̃" },
+ ["Ö"]={ "O","̈" },
+ ["Ù"]={ "U","̀" },
+ ["Ú"]={ "U","́" },
+ ["Û"]={ "U","̂" },
+ ["Ü"]={ "U","̈" },
+ ["Ý"]={ "Y","́" },
+ ["à"]={ "a","̀" },
+ ["á"]={ "a","́" },
+ ["â"]={ "a","̂" },
+ ["ã"]={ "a","̃" },
+ ["ä"]={ "a","̈" },
+ ["å"]={ "a","̊" },
+ ["ç"]={ "c","̧" },
+ ["è"]={ "e","̀" },
+ ["é"]={ "e","́" },
+ ["ê"]={ "e","̂" },
+ ["ë"]={ "e","̈" },
+ ["ì"]={ "i","̀" },
+ ["í"]={ "i","́" },
+ ["î"]={ "i","̂" },
+ ["ï"]={ "i","̈" },
+ ["ñ"]={ "n","̃" },
+ ["ò"]={ "o","̀" },
+ ["ó"]={ "o","́" },
+ ["ô"]={ "o","̂" },
+ ["õ"]={ "o","̃" },
+ ["ö"]={ "o","̈" },
+ ["ù"]={ "u","̀" },
+ ["ú"]={ "u","́" },
+ ["û"]={ "u","̂" },
+ ["ü"]={ "u","̈" },
+ ["ý"]={ "y","́" },
+ ["ÿ"]={ "y","̈" },
+ ["Ā"]={ "A","̄" },
+ ["ā"]={ "a","̄" },
+ ["Ă"]={ "A","̆" },
+ ["ă"]={ "a","̆" },
+ ["Ą"]={ "A","̨" },
+ ["ą"]={ "a","̨" },
+ ["Ć"]={ "C","́" },
+ ["ć"]={ "c","́" },
+ ["Ĉ"]={ "C","̂" },
+ ["ĉ"]={ "c","̂" },
+ ["Ċ"]={ "C","̇" },
+ ["ċ"]={ "c","̇" },
+ ["Č"]={ "C","̌" },
+ ["č"]={ "c","̌" },
+ ["Ď"]={ "D","̌" },
+ ["ď"]={ "d","̌" },
+ ["Ē"]={ "E","̄" },
+ ["ē"]={ "e","̄" },
+ ["Ĕ"]={ "E","̆" },
+ ["ĕ"]={ "e","̆" },
+ ["Ė"]={ "E","̇" },
+ ["ė"]={ "e","̇" },
+ ["Ę"]={ "E","̨" },
+ ["ę"]={ "e","̨" },
+ ["Ě"]={ "E","̌" },
+ ["ě"]={ "e","̌" },
+ ["Ĝ"]={ "G","̂" },
+ ["ĝ"]={ "g","̂" },
+ ["Ğ"]={ "G","̆" },
+ ["ğ"]={ "g","̆" },
+ ["Ġ"]={ "G","̇" },
+ ["ġ"]={ "g","̇" },
+ ["Ģ"]={ "G","̧" },
+ ["ģ"]={ "g","̧" },
+ ["Ĥ"]={ "H","̂" },
+ ["ĥ"]={ "h","̂" },
+ ["Ĩ"]={ "I","̃" },
+ ["ĩ"]={ "i","̃" },
+ ["Ī"]={ "I","̄" },
+ ["ī"]={ "i","̄" },
+ ["Ĭ"]={ "I","̆" },
+ ["ĭ"]={ "i","̆" },
+ ["Į"]={ "I","̨" },
+ ["į"]={ "i","̨" },
+ ["İ"]={ "I","̇" },
+ ["Ĵ"]={ "J","̂" },
+ ["ĵ"]={ "j","̂" },
+ ["Ķ"]={ "K","̧" },
+ ["ķ"]={ "k","̧" },
+ ["Ĺ"]={ "L","́" },
+ ["ĺ"]={ "l","́" },
+ ["Ļ"]={ "L","̧" },
+ ["ļ"]={ "l","̧" },
+ ["Ľ"]={ "L","̌" },
+ ["ľ"]={ "l","̌" },
+ ["Ń"]={ "N","́" },
+ ["ń"]={ "n","́" },
+ ["Ņ"]={ "N","̧" },
+ ["ņ"]={ "n","̧" },
+ ["Ň"]={ "N","̌" },
+ ["ň"]={ "n","̌" },
+ ["Ō"]={ "O","̄" },
+ ["ō"]={ "o","̄" },
+ ["Ŏ"]={ "O","̆" },
+ ["ŏ"]={ "o","̆" },
+ ["Ő"]={ "O","̋" },
+ ["ő"]={ "o","̋" },
+ ["Ŕ"]={ "R","́" },
+ ["ŕ"]={ "r","́" },
+ ["Ŗ"]={ "R","̧" },
+ ["ŗ"]={ "r","̧" },
+ ["Ř"]={ "R","̌" },
+ ["ř"]={ "r","̌" },
+ ["Ś"]={ "S","́" },
+ ["ś"]={ "s","́" },
+ ["Ŝ"]={ "S","̂" },
+ ["ŝ"]={ "s","̂" },
+ ["Ş"]={ "S","̧" },
+ ["ş"]={ "s","̧" },
+ ["Š"]={ "S","̌" },
+ ["š"]={ "s","̌" },
+ ["Ţ"]={ "T","̧" },
+ ["ţ"]={ "t","̧" },
+ ["Ť"]={ "T","̌" },
+ ["ť"]={ "t","̌" },
+ ["Ũ"]={ "U","̃" },
+ ["ũ"]={ "u","̃" },
+ ["Ū"]={ "U","̄" },
+ ["ū"]={ "u","̄" },
+ ["Ŭ"]={ "U","̆" },
+ ["ŭ"]={ "u","̆" },
+ ["Ů"]={ "U","̊" },
+ ["ů"]={ "u","̊" },
+ ["Ű"]={ "U","̋" },
+ ["ű"]={ "u","̋" },
+ ["Ų"]={ "U","̨" },
+ ["ų"]={ "u","̨" },
+ ["Ŵ"]={ "W","̂" },
+ ["ŵ"]={ "w","̂" },
+ ["Ŷ"]={ "Y","̂" },
+ ["ŷ"]={ "y","̂" },
+ ["Ÿ"]={ "Y","̈" },
+ ["Ź"]={ "Z","́" },
+ ["ź"]={ "z","́" },
+ ["Ż"]={ "Z","̇" },
+ ["ż"]={ "z","̇" },
+ ["Ž"]={ "Z","̌" },
+ ["ž"]={ "z","̌" },
+ ["Ơ"]={ "O","̛" },
+ ["ơ"]={ "o","̛" },
+ ["Ư"]={ "U","̛" },
+ ["ư"]={ "u","̛" },
+ ["Ǎ"]={ "A","̌" },
+ ["ǎ"]={ "a","̌" },
+ ["Ǐ"]={ "I","̌" },
+ ["ǐ"]={ "i","̌" },
+ ["Ǒ"]={ "O","̌" },
+ ["ǒ"]={ "o","̌" },
+ ["Ǔ"]={ "U","̌" },
+ ["ǔ"]={ "u","̌" },
+ ["Ǖ"]={ "Ü","̄" },
+ ["ǖ"]={ "ü","̄" },
+ ["Ǘ"]={ "Ü","́" },
+ ["ǘ"]={ "ü","́" },
+ ["Ǚ"]={ "Ü","̌" },
+ ["ǚ"]={ "ü","̌" },
+ ["Ǜ"]={ "Ü","̀" },
+ ["ǜ"]={ "ü","̀" },
+ ["Ǟ"]={ "Ä","̄" },
+ ["ǟ"]={ "ä","̄" },
+ ["Ǡ"]={ "Ȧ","̄" },
+ ["ǡ"]={ "ȧ","̄" },
+ ["Ǣ"]={ "Æ","̄" },
+ ["ǣ"]={ "æ","̄" },
+ ["Ǧ"]={ "G","̌" },
+ ["ǧ"]={ "g","̌" },
+ ["Ǩ"]={ "K","̌" },
+ ["ǩ"]={ "k","̌" },
+ ["Ǫ"]={ "O","̨" },
+ ["ǫ"]={ "o","̨" },
+ ["Ǭ"]={ "Ǫ","̄" },
+ ["ǭ"]={ "ǫ","̄" },
+ ["Ǯ"]={ "Ʒ","̌" },
+ ["ǯ"]={ "ʒ","̌" },
+ ["ǰ"]={ "j","̌" },
+ ["Ǵ"]={ "G","́" },
+ ["ǵ"]={ "g","́" },
+ ["Ǹ"]={ "N","̀" },
+ ["ǹ"]={ "n","̀" },
+ ["Ǻ"]={ "Å","́" },
+ ["ǻ"]={ "å","́" },
+ ["Ǽ"]={ "Æ","́" },
+ ["ǽ"]={ "æ","́" },
+ ["Ǿ"]={ "Ø","́" },
+ ["ǿ"]={ "ø","́" },
+ ["Ȁ"]={ "A","̏" },
+ ["ȁ"]={ "a","̏" },
+ ["Ȃ"]={ "A","̑" },
+ ["ȃ"]={ "a","̑" },
+ ["Ȅ"]={ "E","̏" },
+ ["ȅ"]={ "e","̏" },
+ ["Ȇ"]={ "E","̑" },
+ ["ȇ"]={ "e","̑" },
+ ["Ȉ"]={ "I","̏" },
+ ["ȉ"]={ "i","̏" },
+ ["Ȋ"]={ "I","̑" },
+ ["ȋ"]={ "i","̑" },
+ ["Ȍ"]={ "O","̏" },
+ ["ȍ"]={ "o","̏" },
+ ["Ȏ"]={ "O","̑" },
+ ["ȏ"]={ "o","̑" },
+ ["Ȑ"]={ "R","̏" },
+ ["ȑ"]={ "r","̏" },
+ ["Ȓ"]={ "R","̑" },
+ ["ȓ"]={ "r","̑" },
+ ["Ȕ"]={ "U","̏" },
+ ["ȕ"]={ "u","̏" },
+ ["Ȗ"]={ "U","̑" },
+ ["ȗ"]={ "u","̑" },
+ ["Ș"]={ "S","̦" },
+ ["ș"]={ "s","̦" },
+ ["Ț"]={ "T","̦" },
+ ["ț"]={ "t","̦" },
+ ["Ȟ"]={ "H","̌" },
+ ["ȟ"]={ "h","̌" },
+ ["Ȧ"]={ "A","̇" },
+ ["ȧ"]={ "a","̇" },
+ ["Ȩ"]={ "E","̧" },
+ ["ȩ"]={ "e","̧" },
+ ["Ȫ"]={ "Ö","̄" },
+ ["ȫ"]={ "ö","̄" },
+ ["Ȭ"]={ "Õ","̄" },
+ ["ȭ"]={ "õ","̄" },
+ ["Ȯ"]={ "O","̇" },
+ ["ȯ"]={ "o","̇" },
+ ["Ȱ"]={ "Ȯ","̄" },
+ ["ȱ"]={ "ȯ","̄" },
+ ["Ȳ"]={ "Y","̄" },
+ ["ȳ"]={ "y","̄" },
+ ["̈́"]={ "̈","́" },
+ ["΅"]={ "¨","́" },
+ ["Ά"]={ "Α","́" },
+ ["Έ"]={ "Ε","́" },
+ ["Ή"]={ "Η","́" },
+ ["Ί"]={ "Ι","́" },
+ ["Ό"]={ "Ο","́" },
+ ["Ύ"]={ "Υ","́" },
+ ["Ώ"]={ "Ω","́" },
+ ["ΐ"]={ "ϊ","́" },
+ ["Ϊ"]={ "Ι","̈" },
+ ["Ϋ"]={ "Υ","̈" },
+ ["ά"]={ "α","́" },
+ ["έ"]={ "ε","́" },
+ ["ή"]={ "η","́" },
+ ["ί"]={ "ι","́" },
+ ["ΰ"]={ "ϋ","́" },
+ ["ϊ"]={ "ι","̈" },
+ ["ϋ"]={ "υ","̈" },
+ ["ό"]={ "ο","́" },
+ ["ύ"]={ "υ","́" },
+ ["ώ"]={ "ω","́" },
+ ["ϓ"]={ "ϒ","́" },
+ ["ϔ"]={ "ϒ","̈" },
+ ["Ѐ"]={ "Е","̀" },
+ ["Ё"]={ "Е","̈" },
+ ["Ѓ"]={ "Г","́" },
+ ["Ї"]={ "І","̈" },
+ ["Ќ"]={ "К","́" },
+ ["Ѝ"]={ "И","̀" },
+ ["Ў"]={ "У","̆" },
+ ["Й"]={ "И","̆" },
+ ["й"]={ "и","̆" },
+ ["ѐ"]={ "е","̀" },
+ ["ё"]={ "е","̈" },
+ ["ѓ"]={ "г","́" },
+ ["ї"]={ "і","̈" },
+ ["ќ"]={ "к","́" },
+ ["ѝ"]={ "и","̀" },
+ ["ў"]={ "у","̆" },
+ ["Ѷ"]={ "Ѵ","̏" },
+ ["ѷ"]={ "ѵ","̏" },
+ ["Ӂ"]={ "Ж","̆" },
+ ["ӂ"]={ "ж","̆" },
+ ["Ӑ"]={ "А","̆" },
+ ["ӑ"]={ "а","̆" },
+ ["Ӓ"]={ "А","̈" },
+ ["ӓ"]={ "а","̈" },
+ ["Ӗ"]={ "Е","̆" },
+ ["ӗ"]={ "е","̆" },
+ ["Ӛ"]={ "Ә","̈" },
+ ["ӛ"]={ "ә","̈" },
+ ["Ӝ"]={ "Ж","̈" },
+ ["ӝ"]={ "ж","̈" },
+ ["Ӟ"]={ "З","̈" },
+ ["ӟ"]={ "з","̈" },
+ ["Ӣ"]={ "И","̄" },
+ ["ӣ"]={ "и","̄" },
+ ["Ӥ"]={ "И","̈" },
+ ["ӥ"]={ "и","̈" },
+ ["Ӧ"]={ "О","̈" },
+ ["ӧ"]={ "о","̈" },
+ ["Ӫ"]={ "Ө","̈" },
+ ["ӫ"]={ "ө","̈" },
+ ["Ӭ"]={ "Э","̈" },
+ ["ӭ"]={ "э","̈" },
+ ["Ӯ"]={ "У","̄" },
+ ["ӯ"]={ "у","̄" },
+ ["Ӱ"]={ "У","̈" },
+ ["ӱ"]={ "у","̈" },
+ ["Ӳ"]={ "У","̋" },
+ ["ӳ"]={ "у","̋" },
+ ["Ӵ"]={ "Ч","̈" },
+ ["ӵ"]={ "ч","̈" },
+ ["Ӹ"]={ "Ы","̈" },
+ ["ӹ"]={ "ы","̈" },
+ ["آ"]={ "ا","ٓ" },
+ ["أ"]={ "ا","ٔ" },
+ ["ؤ"]={ "و","ٔ" },
+ ["إ"]={ "ا","ٕ" },
+ ["ئ"]={ "ي","ٔ" },
+ ["ۀ"]={ "ە","ٔ" },
+ ["ۂ"]={ "ہ","ٔ" },
+ ["ۓ"]={ "ے","ٔ" },
+ ["ऩ"]={ "न","़" },
+ ["ऱ"]={ "र","़" },
+ ["ऴ"]={ "ळ","़" },
+ ["क़"]={ "क","़" },
+ ["ख़"]={ "ख","़" },
+ ["ग़"]={ "ग","़" },
+ ["ज़"]={ "ज","़" },
+ ["ड़"]={ "ड","़" },
+ ["ढ़"]={ "ढ","़" },
+ ["फ़"]={ "फ","़" },
+ ["य़"]={ "य","़" },
+ ["ো"]={ "ে","া" },
+ ["ৌ"]={ "ে","ৗ" },
+ ["ড়"]={ "ড","়" },
+ ["ঢ়"]={ "ঢ","়" },
+ ["য়"]={ "য","়" },
+ ["ਲ਼"]={ "ਲ","਼" },
+ ["ਸ਼"]={ "ਸ","਼" },
+ ["ਖ਼"]={ "ਖ","਼" },
+ ["ਗ਼"]={ "ਗ","਼" },
+ ["ਜ਼"]={ "ਜ","਼" },
+ ["ਫ਼"]={ "ਫ","਼" },
+ ["ୈ"]={ "େ","ୖ" },
+ ["ୋ"]={ "େ","ା" },
+ ["ୌ"]={ "େ","ୗ" },
+ ["ଡ଼"]={ "ଡ","଼" },
+ ["ଢ଼"]={ "ଢ","଼" },
+ ["ஔ"]={ "ஒ","ௗ" },
+ ["ொ"]={ "ெ","ா" },
+ ["ோ"]={ "ே","ா" },
+ ["ௌ"]={ "ெ","ௗ" },
+ ["ై"]={ "ె","ౖ" },
+ ["ೀ"]={ "ಿ","ೕ" },
+ ["ೇ"]={ "ೆ","ೕ" },
+ ["ೈ"]={ "ೆ","ೖ" },
+ ["ೊ"]={ "ೆ","ೂ" },
+ ["ೋ"]={ "ೊ","ೕ" },
+ ["ൊ"]={ "െ","ാ" },
+ ["ോ"]={ "േ","ാ" },
+ ["ൌ"]={ "െ","ൗ" },
+ ["ේ"]={ "ෙ","්" },
+ ["ො"]={ "ෙ","ා" },
+ ["ෝ"]={ "ො","්" },
+ ["ෞ"]={ "ෙ","ෟ" },
+ ["གྷ"]={ "ག","ྷ" },
+ ["ཌྷ"]={ "ཌ","ྷ" },
+ ["དྷ"]={ "ད","ྷ" },
+ ["བྷ"]={ "བ","ྷ" },
+ ["ཛྷ"]={ "ཛ","ྷ" },
+ ["ཀྵ"]={ "ཀ","ྵ" },
+ ["ཱི"]={ "ཱ","ི" },
+ ["ཱུ"]={ "ཱ","ུ" },
+ ["ྲྀ"]={ "ྲ","ྀ" },
+ ["ླྀ"]={ "ླ","ྀ" },
+ ["ཱྀ"]={ "ཱ","ྀ" },
+ ["ྒྷ"]={ "ྒ","ྷ" },
+ ["ྜྷ"]={ "ྜ","ྷ" },
+ ["ྡྷ"]={ "ྡ","ྷ" },
+ ["ྦྷ"]={ "ྦ","ྷ" },
+ ["ྫྷ"]={ "ྫ","ྷ" },
+ ["ྐྵ"]={ "ྐ","ྵ" },
+ ["ဦ"]={ "ဥ","ီ" },
+ ["ᬆ"]={ "ᬅ","ᬵ" },
+ ["ᬈ"]={ "ᬇ","ᬵ" },
+ ["ᬊ"]={ "ᬉ","ᬵ" },
+ ["ᬌ"]={ "ᬋ","ᬵ" },
+ ["ᬎ"]={ "ᬍ","ᬵ" },
+ ["ᬒ"]={ "ᬑ","ᬵ" },
+ ["ᬻ"]={ "ᬺ","ᬵ" },
+ ["ᬽ"]={ "ᬼ","ᬵ" },
+ ["ᭀ"]={ "ᬾ","ᬵ" },
+ ["ᭁ"]={ "ᬿ","ᬵ" },
+ ["ᭃ"]={ "ᭂ","ᬵ" },
+ ["Ḁ"]={ "A","̥" },
+ ["ḁ"]={ "a","̥" },
+ ["Ḃ"]={ "B","̇" },
+ ["ḃ"]={ "b","̇" },
+ ["Ḅ"]={ "B","̣" },
+ ["ḅ"]={ "b","̣" },
+ ["Ḇ"]={ "B","̱" },
+ ["ḇ"]={ "b","̱" },
+ ["Ḉ"]={ "Ç","́" },
+ ["ḉ"]={ "ç","́" },
+ ["Ḋ"]={ "D","̇" },
+ ["ḋ"]={ "d","̇" },
+ ["Ḍ"]={ "D","̣" },
+ ["ḍ"]={ "d","̣" },
+ ["Ḏ"]={ "D","̱" },
+ ["ḏ"]={ "d","̱" },
+ ["Ḑ"]={ "D","̧" },
+ ["ḑ"]={ "d","̧" },
+ ["Ḓ"]={ "D","̭" },
+ ["ḓ"]={ "d","̭" },
+ ["Ḕ"]={ "Ē","̀" },
+ ["ḕ"]={ "ē","̀" },
+ ["Ḗ"]={ "Ē","́" },
+ ["ḗ"]={ "ē","́" },
+ ["Ḙ"]={ "E","̭" },
+ ["ḙ"]={ "e","̭" },
+ ["Ḛ"]={ "E","̰" },
+ ["ḛ"]={ "e","̰" },
+ ["Ḝ"]={ "Ȩ","̆" },
+ ["ḝ"]={ "ȩ","̆" },
+ ["Ḟ"]={ "F","̇" },
+ ["ḟ"]={ "f","̇" },
+ ["Ḡ"]={ "G","̄" },
+ ["ḡ"]={ "g","̄" },
+ ["Ḣ"]={ "H","̇" },
+ ["ḣ"]={ "h","̇" },
+ ["Ḥ"]={ "H","̣" },
+ ["ḥ"]={ "h","̣" },
+ ["Ḧ"]={ "H","̈" },
+ ["ḧ"]={ "h","̈" },
+ ["Ḩ"]={ "H","̧" },
+ ["ḩ"]={ "h","̧" },
+ ["Ḫ"]={ "H","̮" },
+ ["ḫ"]={ "h","̮" },
+ ["Ḭ"]={ "I","̰" },
+ ["ḭ"]={ "i","̰" },
+ ["Ḯ"]={ "Ï","́" },
+ ["ḯ"]={ "ï","́" },
+ ["Ḱ"]={ "K","́" },
+ ["ḱ"]={ "k","́" },
+ ["Ḳ"]={ "K","̣" },
+ ["ḳ"]={ "k","̣" },
+ ["Ḵ"]={ "K","̱" },
+ ["ḵ"]={ "k","̱" },
+ ["Ḷ"]={ "L","̣" },
+ ["ḷ"]={ "l","̣" },
+ ["Ḹ"]={ "Ḷ","̄" },
+ ["ḹ"]={ "ḷ","̄" },
+ ["Ḻ"]={ "L","̱" },
+ ["ḻ"]={ "l","̱" },
+ ["Ḽ"]={ "L","̭" },
+ ["ḽ"]={ "l","̭" },
+ ["Ḿ"]={ "M","́" },
+ ["ḿ"]={ "m","́" },
+ ["Ṁ"]={ "M","̇" },
+ ["ṁ"]={ "m","̇" },
+ ["Ṃ"]={ "M","̣" },
+ ["ṃ"]={ "m","̣" },
+ ["Ṅ"]={ "N","̇" },
+ ["ṅ"]={ "n","̇" },
+ ["Ṇ"]={ "N","̣" },
+ ["ṇ"]={ "n","̣" },
+ ["Ṉ"]={ "N","̱" },
+ ["ṉ"]={ "n","̱" },
+ ["Ṋ"]={ "N","̭" },
+ ["ṋ"]={ "n","̭" },
+ ["Ṍ"]={ "Õ","́" },
+ ["ṍ"]={ "õ","́" },
+ ["Ṏ"]={ "Õ","̈" },
+ ["ṏ"]={ "õ","̈" },
+ ["Ṑ"]={ "Ō","̀" },
+ ["ṑ"]={ "ō","̀" },
+ ["Ṓ"]={ "Ō","́" },
+ ["ṓ"]={ "ō","́" },
+ ["Ṕ"]={ "P","́" },
+ ["ṕ"]={ "p","́" },
+ ["Ṗ"]={ "P","̇" },
+ ["ṗ"]={ "p","̇" },
+ ["Ṙ"]={ "R","̇" },
+ ["ṙ"]={ "r","̇" },
+ ["Ṛ"]={ "R","̣" },
+ ["ṛ"]={ "r","̣" },
+ ["Ṝ"]={ "Ṛ","̄" },
+ ["ṝ"]={ "ṛ","̄" },
+ ["Ṟ"]={ "R","̱" },
+ ["ṟ"]={ "r","̱" },
+ ["Ṡ"]={ "S","̇" },
+ ["ṡ"]={ "s","̇" },
+ ["Ṣ"]={ "S","̣" },
+ ["ṣ"]={ "s","̣" },
+ ["Ṥ"]={ "Ś","̇" },
+ ["ṥ"]={ "ś","̇" },
+ ["Ṧ"]={ "Š","̇" },
+ ["ṧ"]={ "š","̇" },
+ ["Ṩ"]={ "Ṣ","̇" },
+ ["ṩ"]={ "ṣ","̇" },
+ ["Ṫ"]={ "T","̇" },
+ ["ṫ"]={ "t","̇" },
+ ["Ṭ"]={ "T","̣" },
+ ["ṭ"]={ "t","̣" },
+ ["Ṯ"]={ "T","̱" },
+ ["ṯ"]={ "t","̱" },
+ ["Ṱ"]={ "T","̭" },
+ ["ṱ"]={ "t","̭" },
+ ["Ṳ"]={ "U","̤" },
+ ["ṳ"]={ "u","̤" },
+ ["Ṵ"]={ "U","̰" },
+ ["ṵ"]={ "u","̰" },
+ ["Ṷ"]={ "U","̭" },
+ ["ṷ"]={ "u","̭" },
+ ["Ṹ"]={ "Ũ","́" },
+ ["ṹ"]={ "ũ","́" },
+ ["Ṻ"]={ "Ū","̈" },
+ ["ṻ"]={ "ū","̈" },
+ ["Ṽ"]={ "V","̃" },
+ ["ṽ"]={ "v","̃" },
+ ["Ṿ"]={ "V","̣" },
+ ["ṿ"]={ "v","̣" },
+ ["Ẁ"]={ "W","̀" },
+ ["ẁ"]={ "w","̀" },
+ ["Ẃ"]={ "W","́" },
+ ["ẃ"]={ "w","́" },
+ ["Ẅ"]={ "W","̈" },
+ ["ẅ"]={ "w","̈" },
+ ["Ẇ"]={ "W","̇" },
+ ["ẇ"]={ "w","̇" },
+ ["Ẉ"]={ "W","̣" },
+ ["ẉ"]={ "w","̣" },
+ ["Ẋ"]={ "X","̇" },
+ ["ẋ"]={ "x","̇" },
+ ["Ẍ"]={ "X","̈" },
+ ["ẍ"]={ "x","̈" },
+ ["Ẏ"]={ "Y","̇" },
+ ["ẏ"]={ "y","̇" },
+ ["Ẑ"]={ "Z","̂" },
+ ["ẑ"]={ "z","̂" },
+ ["Ẓ"]={ "Z","̣" },
+ ["ẓ"]={ "z","̣" },
+ ["Ẕ"]={ "Z","̱" },
+ ["ẕ"]={ "z","̱" },
+ ["ẖ"]={ "h","̱" },
+ ["ẗ"]={ "t","̈" },
+ ["ẘ"]={ "w","̊" },
+ ["ẙ"]={ "y","̊" },
+ ["ẛ"]={ "ſ","̇" },
+ ["Ạ"]={ "A","̣" },
+ ["ạ"]={ "a","̣" },
+ ["Ả"]={ "A","̉" },
+ ["ả"]={ "a","̉" },
+ ["Ấ"]={ "Â","́" },
+ ["ấ"]={ "â","́" },
+ ["Ầ"]={ "Â","̀" },
+ ["ầ"]={ "â","̀" },
+ ["Ẩ"]={ "Â","̉" },
+ ["ẩ"]={ "â","̉" },
+ ["Ẫ"]={ "Â","̃" },
+ ["ẫ"]={ "â","̃" },
+ ["Ậ"]={ "Ạ","̂" },
+ ["ậ"]={ "ạ","̂" },
+ ["Ắ"]={ "Ă","́" },
+ ["ắ"]={ "ă","́" },
+ ["Ằ"]={ "Ă","̀" },
+ ["ằ"]={ "ă","̀" },
+ ["Ẳ"]={ "Ă","̉" },
+ ["ẳ"]={ "ă","̉" },
+ ["Ẵ"]={ "Ă","̃" },
+ ["ẵ"]={ "ă","̃" },
+ ["Ặ"]={ "Ạ","̆" },
+ ["ặ"]={ "ạ","̆" },
+ ["Ẹ"]={ "E","̣" },
+ ["ẹ"]={ "e","̣" },
+ ["Ẻ"]={ "E","̉" },
+ ["ẻ"]={ "e","̉" },
+ ["Ẽ"]={ "E","̃" },
+ ["ẽ"]={ "e","̃" },
+ ["Ế"]={ "Ê","́" },
+ ["ế"]={ "ê","́" },
+ ["Ề"]={ "Ê","̀" },
+ ["ề"]={ "ê","̀" },
+ ["Ể"]={ "Ê","̉" },
+ ["ể"]={ "ê","̉" },
+ ["Ễ"]={ "Ê","̃" },
+ ["ễ"]={ "ê","̃" },
+ ["Ệ"]={ "Ẹ","̂" },
+ ["ệ"]={ "ẹ","̂" },
+ ["Ỉ"]={ "I","̉" },
+ ["ỉ"]={ "i","̉" },
+ ["Ị"]={ "I","̣" },
+ ["ị"]={ "i","̣" },
+ ["Ọ"]={ "O","̣" },
+ ["ọ"]={ "o","̣" },
+ ["Ỏ"]={ "O","̉" },
+ ["ỏ"]={ "o","̉" },
+ ["Ố"]={ "Ô","́" },
+ ["ố"]={ "ô","́" },
+ ["Ồ"]={ "Ô","̀" },
+ ["ồ"]={ "ô","̀" },
+ ["Ổ"]={ "Ô","̉" },
+ ["ổ"]={ "ô","̉" },
+ ["Ỗ"]={ "Ô","̃" },
+ ["ỗ"]={ "ô","̃" },
+ ["Ộ"]={ "Ọ","̂" },
+ ["ộ"]={ "ọ","̂" },
+ ["Ớ"]={ "Ơ","́" },
+ ["ớ"]={ "ơ","́" },
+ ["Ờ"]={ "Ơ","̀" },
+ ["ờ"]={ "ơ","̀" },
+ ["Ở"]={ "Ơ","̉" },
+ ["ở"]={ "ơ","̉" },
+ ["Ỡ"]={ "Ơ","̃" },
+ ["ỡ"]={ "ơ","̃" },
+ ["Ợ"]={ "Ơ","̣" },
+ ["ợ"]={ "ơ","̣" },
+ ["Ụ"]={ "U","̣" },
+ ["ụ"]={ "u","̣" },
+ ["Ủ"]={ "U","̉" },
+ ["ủ"]={ "u","̉" },
+ ["Ứ"]={ "Ư","́" },
+ ["ứ"]={ "ư","́" },
+ ["Ừ"]={ "Ư","̀" },
+ ["ừ"]={ "ư","̀" },
+ ["Ử"]={ "Ư","̉" },
+ ["ử"]={ "ư","̉" },
+ ["Ữ"]={ "Ư","̃" },
+ ["ữ"]={ "ư","̃" },
+ ["Ự"]={ "Ư","̣" },
+ ["ự"]={ "ư","̣" },
+ ["Ỳ"]={ "Y","̀" },
+ ["ỳ"]={ "y","̀" },
+ ["Ỵ"]={ "Y","̣" },
+ ["ỵ"]={ "y","̣" },
+ ["Ỷ"]={ "Y","̉" },
+ ["ỷ"]={ "y","̉" },
+ ["Ỹ"]={ "Y","̃" },
+ ["ỹ"]={ "y","̃" },
+ ["ἀ"]={ "α","̓" },
+ ["ἁ"]={ "α","̔" },
+ ["ἂ"]={ "ἀ","̀" },
+ ["ἃ"]={ "ἁ","̀" },
+ ["ἄ"]={ "ἀ","́" },
+ ["ἅ"]={ "ἁ","́" },
+ ["ἆ"]={ "ἀ","͂" },
+ ["ἇ"]={ "ἁ","͂" },
+ ["Ἀ"]={ "Α","̓" },
+ ["Ἁ"]={ "Α","̔" },
+ ["Ἂ"]={ "Ἀ","̀" },
+ ["Ἃ"]={ "Ἁ","̀" },
+ ["Ἄ"]={ "Ἀ","́" },
+ ["Ἅ"]={ "Ἁ","́" },
+ ["Ἆ"]={ "Ἀ","͂" },
+ ["Ἇ"]={ "Ἁ","͂" },
+ ["ἐ"]={ "ε","̓" },
+ ["ἑ"]={ "ε","̔" },
+ ["ἒ"]={ "ἐ","̀" },
+ ["ἓ"]={ "ἑ","̀" },
+ ["ἔ"]={ "ἐ","́" },
+ ["ἕ"]={ "ἑ","́" },
+ ["Ἐ"]={ "Ε","̓" },
+ ["Ἑ"]={ "Ε","̔" },
+ ["Ἒ"]={ "Ἐ","̀" },
+ ["Ἓ"]={ "Ἑ","̀" },
+ ["Ἔ"]={ "Ἐ","́" },
+ ["Ἕ"]={ "Ἑ","́" },
+ ["ἠ"]={ "η","̓" },
+ ["ἡ"]={ "η","̔" },
+ ["ἢ"]={ "ἠ","̀" },
+ ["ἣ"]={ "ἡ","̀" },
+ ["ἤ"]={ "ἠ","́" },
+ ["ἥ"]={ "ἡ","́" },
+ ["ἦ"]={ "ἠ","͂" },
+ ["ἧ"]={ "ἡ","͂" },
+ ["Ἠ"]={ "Η","̓" },
+ ["Ἡ"]={ "Η","̔" },
+ ["Ἢ"]={ "Ἠ","̀" },
+ ["Ἣ"]={ "Ἡ","̀" },
+ ["Ἤ"]={ "Ἠ","́" },
+ ["Ἥ"]={ "Ἡ","́" },
+ ["Ἦ"]={ "Ἠ","͂" },
+ ["Ἧ"]={ "Ἡ","͂" },
+ ["ἰ"]={ "ι","̓" },
+ ["ἱ"]={ "ι","̔" },
+ ["ἲ"]={ "ἰ","̀" },
+ ["ἳ"]={ "ἱ","̀" },
+ ["ἴ"]={ "ἰ","́" },
+ ["ἵ"]={ "ἱ","́" },
+ ["ἶ"]={ "ἰ","͂" },
+ ["ἷ"]={ "ἱ","͂" },
+ ["Ἰ"]={ "Ι","̓" },
+ ["Ἱ"]={ "Ι","̔" },
+ ["Ἲ"]={ "Ἰ","̀" },
+ ["Ἳ"]={ "Ἱ","̀" },
+ ["Ἴ"]={ "Ἰ","́" },
+ ["Ἵ"]={ "Ἱ","́" },
+ ["Ἶ"]={ "Ἰ","͂" },
+ ["Ἷ"]={ "Ἱ","͂" },
+ ["ὀ"]={ "ο","̓" },
+ ["ὁ"]={ "ο","̔" },
+ ["ὂ"]={ "ὀ","̀" },
+ ["ὃ"]={ "ὁ","̀" },
+ ["ὄ"]={ "ὀ","́" },
+ ["ὅ"]={ "ὁ","́" },
+ ["Ὀ"]={ "Ο","̓" },
+ ["Ὁ"]={ "Ο","̔" },
+ ["Ὂ"]={ "Ὀ","̀" },
+ ["Ὃ"]={ "Ὁ","̀" },
+ ["Ὄ"]={ "Ὀ","́" },
+ ["Ὅ"]={ "Ὁ","́" },
+ ["ὐ"]={ "υ","̓" },
+ ["ὑ"]={ "υ","̔" },
+ ["ὒ"]={ "ὐ","̀" },
+ ["ὓ"]={ "ὑ","̀" },
+ ["ὔ"]={ "ὐ","́" },
+ ["ὕ"]={ "ὑ","́" },
+ ["ὖ"]={ "ὐ","͂" },
+ ["ὗ"]={ "ὑ","͂" },
+ ["Ὑ"]={ "Υ","̔" },
+ ["Ὓ"]={ "Ὑ","̀" },
+ ["Ὕ"]={ "Ὑ","́" },
+ ["Ὗ"]={ "Ὑ","͂" },
+ ["ὠ"]={ "ω","̓" },
+ ["ὡ"]={ "ω","̔" },
+ ["ὢ"]={ "ὠ","̀" },
+ ["ὣ"]={ "ὡ","̀" },
+ ["ὤ"]={ "ὠ","́" },
+ ["ὥ"]={ "ὡ","́" },
+ ["ὦ"]={ "ὠ","͂" },
+ ["ὧ"]={ "ὡ","͂" },
+ ["Ὠ"]={ "Ω","̓" },
+ ["Ὡ"]={ "Ω","̔" },
+ ["Ὢ"]={ "Ὠ","̀" },
+ ["Ὣ"]={ "Ὡ","̀" },
+ ["Ὤ"]={ "Ὠ","́" },
+ ["Ὥ"]={ "Ὡ","́" },
+ ["Ὦ"]={ "Ὠ","͂" },
+ ["Ὧ"]={ "Ὡ","͂" },
+ ["ὰ"]={ "α","̀" },
+ ["ὲ"]={ "ε","̀" },
+ ["ὴ"]={ "η","̀" },
+ ["ὶ"]={ "ι","̀" },
+ ["ὸ"]={ "ο","̀" },
+ ["ὺ"]={ "υ","̀" },
+ ["ὼ"]={ "ω","̀" },
+ ["ᾀ"]={ "ἀ","ͅ" },
+ ["ᾁ"]={ "ἁ","ͅ" },
+ ["ᾂ"]={ "ἂ","ͅ" },
+ ["ᾃ"]={ "ἃ","ͅ" },
+ ["ᾄ"]={ "ἄ","ͅ" },
+ ["ᾅ"]={ "ἅ","ͅ" },
+ ["ᾆ"]={ "ἆ","ͅ" },
+ ["ᾇ"]={ "ἇ","ͅ" },
+ ["ᾈ"]={ "Ἀ","ͅ" },
+ ["ᾉ"]={ "Ἁ","ͅ" },
+ ["ᾊ"]={ "Ἂ","ͅ" },
+ ["ᾋ"]={ "Ἃ","ͅ" },
+ ["ᾌ"]={ "Ἄ","ͅ" },
+ ["ᾍ"]={ "Ἅ","ͅ" },
+ ["ᾎ"]={ "Ἆ","ͅ" },
+ ["ᾏ"]={ "Ἇ","ͅ" },
+ ["ᾐ"]={ "ἠ","ͅ" },
+ ["ᾑ"]={ "ἡ","ͅ" },
+ ["ᾒ"]={ "ἢ","ͅ" },
+ ["ᾓ"]={ "ἣ","ͅ" },
+ ["ᾔ"]={ "ἤ","ͅ" },
+ ["ᾕ"]={ "ἥ","ͅ" },
+ ["ᾖ"]={ "ἦ","ͅ" },
+ ["ᾗ"]={ "ἧ","ͅ" },
+ ["ᾘ"]={ "Ἠ","ͅ" },
+ ["ᾙ"]={ "Ἡ","ͅ" },
+ ["ᾚ"]={ "Ἢ","ͅ" },
+ ["ᾛ"]={ "Ἣ","ͅ" },
+ ["ᾜ"]={ "Ἤ","ͅ" },
+ ["ᾝ"]={ "Ἥ","ͅ" },
+ ["ᾞ"]={ "Ἦ","ͅ" },
+ ["ᾟ"]={ "Ἧ","ͅ" },
+ ["ᾠ"]={ "ὠ","ͅ" },
+ ["ᾡ"]={ "ὡ","ͅ" },
+ ["ᾢ"]={ "ὢ","ͅ" },
+ ["ᾣ"]={ "ὣ","ͅ" },
+ ["ᾤ"]={ "ὤ","ͅ" },
+ ["ᾥ"]={ "ὥ","ͅ" },
+ ["ᾦ"]={ "ὦ","ͅ" },
+ ["ᾧ"]={ "ὧ","ͅ" },
+ ["ᾨ"]={ "Ὠ","ͅ" },
+ ["ᾩ"]={ "Ὡ","ͅ" },
+ ["ᾪ"]={ "Ὢ","ͅ" },
+ ["ᾫ"]={ "Ὣ","ͅ" },
+ ["ᾬ"]={ "Ὤ","ͅ" },
+ ["ᾭ"]={ "Ὥ","ͅ" },
+ ["ᾮ"]={ "Ὦ","ͅ" },
+ ["ᾯ"]={ "Ὧ","ͅ" },
+ ["ᾰ"]={ "α","̆" },
+ ["ᾱ"]={ "α","̄" },
+ ["ᾲ"]={ "ὰ","ͅ" },
+ ["ᾳ"]={ "α","ͅ" },
+ ["ᾴ"]={ "ά","ͅ" },
+ ["ᾶ"]={ "α","͂" },
+ ["ᾷ"]={ "ᾶ","ͅ" },
+ ["Ᾰ"]={ "Α","̆" },
+ ["Ᾱ"]={ "Α","̄" },
+ ["Ὰ"]={ "Α","̀" },
+ ["ᾼ"]={ "Α","ͅ" },
+ ["῁"]={ "¨","͂" },
+ ["ῂ"]={ "ὴ","ͅ" },
+ ["ῃ"]={ "η","ͅ" },
+ ["ῄ"]={ "ή","ͅ" },
+ ["ῆ"]={ "η","͂" },
+ ["ῇ"]={ "ῆ","ͅ" },
+ ["Ὲ"]={ "Ε","̀" },
+ ["Ὴ"]={ "Η","̀" },
+ ["ῌ"]={ "Η","ͅ" },
+ ["῍"]={ "᾿","̀" },
+ ["῎"]={ "᾿","́" },
+ ["῏"]={ "᾿","͂" },
+ ["ῐ"]={ "ι","̆" },
+ ["ῑ"]={ "ι","̄" },
+ ["ῒ"]={ "ϊ","̀" },
+ ["ῖ"]={ "ι","͂" },
+ ["ῗ"]={ "ϊ","͂" },
+ ["Ῐ"]={ "Ι","̆" },
+ ["Ῑ"]={ "Ι","̄" },
+ ["Ὶ"]={ "Ι","̀" },
+ ["῝"]={ "῾","̀" },
+ ["῞"]={ "῾","́" },
+ ["῟"]={ "῾","͂" },
+ ["ῠ"]={ "υ","̆" },
+ ["ῡ"]={ "υ","̄" },
+ ["ῢ"]={ "ϋ","̀" },
+ ["ῤ"]={ "ρ","̓" },
+ ["ῥ"]={ "ρ","̔" },
+ ["ῦ"]={ "υ","͂" },
+ ["ῧ"]={ "ϋ","͂" },
+ ["Ῠ"]={ "Υ","̆" },
+ ["Ῡ"]={ "Υ","̄" },
+ ["Ὺ"]={ "Υ","̀" },
+ ["Ῥ"]={ "Ρ","̔" },
+ ["῭"]={ "¨","̀" },
+ ["ῲ"]={ "ὼ","ͅ" },
+ ["ῳ"]={ "ω","ͅ" },
+ ["ῴ"]={ "ώ","ͅ" },
+ ["ῶ"]={ "ω","͂" },
+ ["ῷ"]={ "ῶ","ͅ" },
+ ["Ὸ"]={ "Ο","̀" },
+ ["Ὼ"]={ "Ω","̀" },
+ ["ῼ"]={ "Ω","ͅ" },
+ ["↚"]={ "←","̸" },
+ ["↛"]={ "→","̸" },
+ ["↮"]={ "↔","̸" },
+ ["⇍"]={ "⇐","̸" },
+ ["⇎"]={ "⇔","̸" },
+ ["⇏"]={ "⇒","̸" },
+ ["∄"]={ "∃","̸" },
+ ["∉"]={ "∈","̸" },
+ ["∌"]={ "∋","̸" },
+ ["∤"]={ "∣","̸" },
+ ["∦"]={ "∥","̸" },
+ ["≁"]={ "∼","̸" },
+ ["≄"]={ "≃","̸" },
+ ["≇"]={ "≅","̸" },
+ ["≉"]={ "≈","̸" },
+ ["≠"]={ "=","̸" },
+ ["≢"]={ "≡","̸" },
+ ["≭"]={ "≍","̸" },
+ ["≮"]={ "<","̸" },
+ ["≯"]={ ">","̸" },
+ ["≰"]={ "≤","̸" },
+ ["≱"]={ "≥","̸" },
+ ["≴"]={ "≲","̸" },
+ ["≵"]={ "≳","̸" },
+ ["≸"]={ "≶","̸" },
+ ["≹"]={ "≷","̸" },
+ ["⊀"]={ "≺","̸" },
+ ["⊁"]={ "≻","̸" },
+ ["⊄"]={ "⊂","̸" },
+ ["⊅"]={ "⊃","̸" },
+ ["⊈"]={ "⊆","̸" },
+ ["⊉"]={ "⊇","̸" },
+ ["⊬"]={ "⊢","̸" },
+ ["⊭"]={ "⊨","̸" },
+ ["⊮"]={ "⊩","̸" },
+ ["⊯"]={ "⊫","̸" },
+ ["⋠"]={ "≼","̸" },
+ ["⋡"]={ "≽","̸" },
+ ["⋢"]={ "⊑","̸" },
+ ["⋣"]={ "⊒","̸" },
+ ["⋪"]={ "⊲","̸" },
+ ["⋫"]={ "⊳","̸" },
+ ["⋬"]={ "⊴","̸" },
+ ["⋭"]={ "⊵","̸" },
+ ["⫝̸"]={ "⫝","̸" },
+ ["が"]={ "か","゙" },
+ ["ぎ"]={ "き","゙" },
+ ["ぐ"]={ "く","゙" },
+ ["げ"]={ "け","゙" },
+ ["ご"]={ "こ","゙" },
+ ["ざ"]={ "さ","゙" },
+ ["じ"]={ "し","゙" },
+ ["ず"]={ "す","゙" },
+ ["ぜ"]={ "せ","゙" },
+ ["ぞ"]={ "そ","゙" },
+ ["だ"]={ "た","゙" },
+ ["ぢ"]={ "ち","゙" },
+ ["づ"]={ "つ","゙" },
+ ["で"]={ "て","゙" },
+ ["ど"]={ "と","゙" },
+ ["ば"]={ "は","゙" },
+ ["ぱ"]={ "は","゚" },
+ ["び"]={ "ひ","゙" },
+ ["ぴ"]={ "ひ","゚" },
+ ["ぶ"]={ "ふ","゙" },
+ ["ぷ"]={ "ふ","゚" },
+ ["べ"]={ "へ","゙" },
+ ["ぺ"]={ "へ","゚" },
+ ["ぼ"]={ "ほ","゙" },
+ ["ぽ"]={ "ほ","゚" },
+ ["ゔ"]={ "う","゙" },
+ ["ゞ"]={ "ゝ","゙" },
+ ["ガ"]={ "カ","゙" },
+ ["ギ"]={ "キ","゙" },
+ ["グ"]={ "ク","゙" },
+ ["ゲ"]={ "ケ","゙" },
+ ["ゴ"]={ "コ","゙" },
+ ["ザ"]={ "サ","゙" },
+ ["ジ"]={ "シ","゙" },
+ ["ズ"]={ "ス","゙" },
+ ["ゼ"]={ "セ","゙" },
+ ["ゾ"]={ "ソ","゙" },
+ ["ダ"]={ "タ","゙" },
+ ["ヂ"]={ "チ","゙" },
+ ["ヅ"]={ "ツ","゙" },
+ ["デ"]={ "テ","゙" },
+ ["ド"]={ "ト","゙" },
+ ["バ"]={ "ハ","゙" },
+ ["パ"]={ "ハ","゚" },
+ ["ビ"]={ "ヒ","゙" },
+ ["ピ"]={ "ヒ","゚" },
+ ["ブ"]={ "フ","゙" },
+ ["プ"]={ "フ","゚" },
+ ["ベ"]={ "ヘ","゙" },
+ ["ペ"]={ "ヘ","゚" },
+ ["ボ"]={ "ホ","゙" },
+ ["ポ"]={ "ホ","゚" },
+ ["ヴ"]={ "ウ","゙" },
+ ["ヷ"]={ "ワ","゙" },
+ ["ヸ"]={ "ヰ","゙" },
+ ["ヹ"]={ "ヱ","゙" },
+ ["ヺ"]={ "ヲ","゙" },
+ ["ヾ"]={ "ヽ","゙" },
+ ["יִ"]={ "י","ִ" },
+ ["ײַ"]={ "ײ","ַ" },
+ ["שׁ"]={ "ש","ׁ" },
+ ["שׂ"]={ "ש","ׂ" },
+ ["שּׁ"]={ "שּ","ׁ" },
+ ["שּׂ"]={ "שּ","ׂ" },
+ ["אַ"]={ "א","ַ" },
+ ["אָ"]={ "א","ָ" },
+ ["אּ"]={ "א","ּ" },
+ ["בּ"]={ "ב","ּ" },
+ ["גּ"]={ "ג","ּ" },
+ ["דּ"]={ "ד","ּ" },
+ ["הּ"]={ "ה","ּ" },
+ ["וּ"]={ "ו","ּ" },
+ ["זּ"]={ "ז","ּ" },
+ ["טּ"]={ "ט","ּ" },
+ ["יּ"]={ "י","ּ" },
+ ["ךּ"]={ "ך","ּ" },
+ ["כּ"]={ "כ","ּ" },
+ ["לּ"]={ "ל","ּ" },
+ ["מּ"]={ "מ","ּ" },
+ ["נּ"]={ "נ","ּ" },
+ ["סּ"]={ "ס","ּ" },
+ ["ףּ"]={ "ף","ּ" },
+ ["פּ"]={ "פ","ּ" },
+ ["צּ"]={ "צ","ּ" },
+ ["קּ"]={ "ק","ּ" },
+ ["רּ"]={ "ר","ּ" },
+ ["שּ"]={ "ש","ּ" },
+ ["תּ"]={ "ת","ּ" },
+ ["וֹ"]={ "ו","ֹ" },
+ ["בֿ"]={ "ב","ֿ" },
+ ["כֿ"]={ "כ","ֿ" },
+ ["פֿ"]={ "פ","ֿ" },
+ ["𑂚"]={ "𑂙","𑂺" },
+ ["𑂜"]={ "𑂛","𑂺" },
+ ["𑂫"]={ "𑂥","𑂺" },
+ ["𑄮"]={ "𑄱","𑄧" },
+ ["𑄯"]={ "𑄲","𑄧" },
+ ["𑍋"]={ "𑍇","𑌾" },
+ ["𑍌"]={ "𑍇","𑍗" },
+ ["𑒻"]={ "𑒹","𑒺" },
+ ["𑒼"]={ "𑒹","𑒰" },
+ ["𑒾"]={ "𑒹","𑒽" },
+ ["𑖺"]={ "𑖸","𑖯" },
+ ["𑖻"]={ "𑖹","𑖯" },
+ ["𝅗𝅥"]={ "𝅗","𝅥" },
+ ["𝅘𝅥"]={ "𝅘","𝅥" },
+ ["𝅘𝅥𝅮"]={ "𝅘𝅥","𝅮" },
+ ["𝅘𝅥𝅯"]={ "𝅘𝅥","𝅯" },
+ ["𝅘𝅥𝅰"]={ "𝅘𝅥","𝅰" },
+ ["𝅘𝅥𝅱"]={ "𝅘𝅥","𝅱" },
+ ["𝅘𝅥𝅲"]={ "𝅘𝅥","𝅲" },
+ ["𝆹𝅥"]={ "𝆹","𝅥" },
+ ["𝆺𝅥"]={ "𝆺","𝅥" },
+ ["𝆹𝅥𝅮"]={ "𝆹𝅥","𝅮" },
+ ["𝆺𝅥𝅮"]={ "𝆺𝅥","𝅮" },
+ ["𝆹𝅥𝅯"]={ "𝆹𝅥","𝅯" },
+ ["𝆺𝅥𝅯"]={ "𝆺𝅥","𝅯" },
+ },
+ },
+ },
+ ["name"]="collapse",
+ ["prepend"]=true,
+ ["type"]="ligature",
+}
+
+end -- closure
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules={} end modules ['luatex-fonts-gbn']={
+ version=1.001,
+ comment="companion to luatex-*.tex",
+ author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright="PRAGMA ADE / ConTeXt Development Team",
+ license="see context related readme files"
+}
+if context then
+--removed
+
+end
+local next=next
+local fonts=fonts
+local nodes=nodes
+local nuts=nodes.nuts
+local traverse_id=nuts.traverse_id
+local flush_node=nuts.flush_node
+local glyph_code=nodes.nodecodes.glyph
+local disc_code=nodes.nodecodes.disc
+local tonode=nuts.tonode
+local tonut=nuts.tonut
+local getfont=nuts.getfont
+local getchar=nuts.getchar
+local getid=nuts.getid
+local getboth=nuts.getboth
+local getprev=nuts.getprev
+local getnext=nuts.getnext
+local getdisc=nuts.getdisc
+local setchar=nuts.setchar
+local setlink=nuts.setlink
+local setprev=nuts.setprev
+local n_ligaturing=node.ligaturing
+local n_kerning=node.kerning
+local d_ligaturing=nuts.ligaturing
+local d_kerning=nuts.kerning
+local basemodepass=true
+local function l_warning() logs.report("fonts","don't call 'node.ligaturing' directly") l_warning=nil end
+local function k_warning() logs.report("fonts","don't call 'node.kerning' directly") k_warning=nil end
+function node.ligaturing(...)
+ if basemodepass and l_warning then
+ l_warning()
+ end
+ return n_ligaturing(...)
+end
+function node.kerning(...)
+ if basemodepass and k_warning then
+ k_warning()
+ end
+ return n_kerning(...)
+end
+function nuts.ligaturing(...)
+ if basemodepass and l_warning then
+ l_warning()
+ end
+ return d_ligaturing(...)
+end
+function nuts.kerning(...)
+ if basemodepass and k_warning then
+ k_warning()
+ end
+ return d_kerning(...)
+end
+function nodes.handlers.setbasemodepass(v)
+ basemodepass=v
+end
+local function nodepass(head,groupcode,size,packtype,direction)
+ local fontdata=fonts.hashes.identifiers
+ if fontdata then
+ local usedfonts={}
+ local basefonts={}
+ local prevfont=nil
+ local basefont=nil
+ local variants=nil
+ local redundant=nil
+ local nofused=0
+ for n in traverse_id(glyph_code,head) do
+ local font=getfont(n)
+ if font~=prevfont then
+ if basefont then
+ basefont[2]=getprev(n)
+ end
+ prevfont=font
+ local used=usedfonts[font]
+ if not used then
+ local tfmdata=fontdata[font]
+ if tfmdata then
+ local shared=tfmdata.shared
+ if shared then
+ local processors=shared.processes
+ if processors and #processors>0 then
+ usedfonts[font]=processors
+ nofused=nofused+1
+ elseif basemodepass then
+ basefont={ n,nil }
+ basefonts[#basefonts+1]=basefont
+ end
+ end
+ local resources=tfmdata.resources
+ variants=resources and resources.variants
+ variants=variants and next(variants) and variants or false
+ end
+ else
+ local tfmdata=fontdata[prevfont]
+ if tfmdata then
+ local resources=tfmdata.resources
+ variants=resources and resources.variants
+ variants=variants and next(variants) and variants or false
+ end
+ end
+ end
+ if variants then
+ local char=getchar(n)
+ if (char>=0xFE00 and char<=0xFE0F) or (char>=0xE0100 and char<=0xE01EF) then
+ local hash=variants[char]
+ if hash then
+ local p=getprev(n)
+ if p and getid(p)==glyph_code then
+ local variant=hash[getchar(p)]
+ if variant then
+ setchar(p,variant)
+ end
+ end
+ end
+ if not redundant then
+ redundant={ n }
+ else
+ redundant[#redundant+1]=n
+ end
+ end
+ end
+ end
+ local nofbasefonts=#basefonts
+ if redundant then
+ for i=1,#redundant do
+ local r=redundant[i]
+ local p,n=getboth(r)
+ if r==head then
+ head=n
+ setprev(n)
+ else
+ setlink(p,n)
+ end
+ if nofbasefonts>0 then
+ for i=1,nofbasefonts do
+ local bi=basefonts[i]
+ if r==bi[1] then
+ bi[1]=n
+ end
+ if r==bi[2] then
+ bi[2]=n
+ end
+ end
+ end
+ flush_node(r)
+ end
+ end
+ for d in traverse_id(disc_code,head) do
+ local _,_,r=getdisc(d)
+ if r then
+ for n in traverse_id(glyph_code,r) do
+ local font=getfont(n)
+ if font~=prevfont then
+ prevfont=font
+ local used=usedfonts[font]
+ if not used then
+ local tfmdata=fontdata[font]
+ if tfmdata then
+ local shared=tfmdata.shared
+ if shared then
+ local processors=shared.processes
+ if processors and #processors>0 then
+ usedfonts[font]=processors
+ nofused=nofused+1
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ if next(usedfonts) then
+ for font,processors in next,usedfonts do
+ for i=1,#processors do
+ head=processors[i](head,font,0,direction,nofused) or head
+ end
+ end
+ end
+ if basemodepass and nofbasefonts>0 then
+ for i=1,nofbasefonts do
+ local range=basefonts[i]
+ local start=range[1]
+ local stop=range[2]
+ if start then
+ local front=head==start
+ local prev,next
+ if stop then
+ next=getnext(stop)
+ start,stop=d_ligaturing(start,stop)
+ start,stop=d_kerning(start,stop)
+ else
+ prev=getprev(start)
+ start=d_ligaturing(start)
+ start=d_kerning(start)
+ end
+ if prev then
+ setlink(prev,start)
+ end
+ if next then
+ setlink(stop,next)
+ end
+ if front and head~=start then
+ head=start
+ end
+ end
+ end
+ end
+ end
+ return head
+end
+local function basepass(head)
+ if basemodepass then
+ head=d_ligaturing(head)
+ head=d_kerning(head)
+ end
+ return head
+end
+local protectpass=node.direct.protect_glyphs
+local injectpass=nodes.injections.handler
+function nodes.handlers.nodepass(head,...)
+ if head then
+ return tonode(nodepass(tonut(head),...))
+ end
+end
+function nodes.handlers.basepass(head)
+ if head then
+ return tonode(basepass(tonut(head)))
+ end
+end
+function nodes.handlers.injectpass(head)
+ if head then
+ return tonode(injectpass(tonut(head)))
+ end
+end
+function nodes.handlers.protectpass(head)
+ if head then
+ protectpass(tonut(head))
+ return head
+ end
+end
+function nodes.simple_font_handler(head,groupcode,size,packtype,direction)
+ if head then
+ head=tonut(head)
+ head=nodepass(head,groupcode,size,packtype,direction)
+ head=injectpass(head)
+ if not basemodepass then
+ head=basepass(head)
+ end
+ protectpass(head)
+ head=tonode(head)
+ end
+ return head
+end
+
+end -- closure