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-rw-r--r--tex/generic/context/luatex/luatex-basics-gen.lua43
-rw-r--r--tex/generic/context/luatex/luatex-basics-nod.lua1
-rw-r--r--tex/generic/context/luatex/luatex-fonts-def.lua1
-rw-r--r--tex/generic/context/luatex/luatex-fonts-enc.lua3
-rw-r--r--tex/generic/context/luatex/luatex-fonts-ext.lua1
-rw-r--r--tex/generic/context/luatex/luatex-fonts-gbn.lua5
-rw-r--r--tex/generic/context/luatex/luatex-fonts-merged.lua37698
-rw-r--r--tex/generic/context/luatex/luatex-fonts-mis.lua1
-rw-r--r--tex/generic/context/luatex/luatex-fonts-syn.lua7
-rw-r--r--tex/generic/context/luatex/luatex-fonts.lua29
-rw-r--r--tex/generic/context/luatex/luatex-languages.lua15
-rw-r--r--tex/generic/context/luatex/luatex-mplib.lua6
12 files changed, 68 insertions, 37742 deletions
diff --git a/tex/generic/context/luatex/luatex-basics-gen.lua b/tex/generic/context/luatex/luatex-basics-gen.lua
index dbe905586..64f3be218 100644
--- a/tex/generic/context/luatex/luatex-basics-gen.lua
+++ b/tex/generic/context/luatex/luatex-basics-gen.lua
@@ -7,7 +7,6 @@ if not modules then modules = { } end modules ['luat-basics-gen'] = {
}
if context then
- texio.write_nl("fatal error: this module is not for context")
os.exit()
end
@@ -27,13 +26,22 @@ local dummyreporter = function(c)
return function(f,...)
local r = texio.reporter or texio.write_nl
if f then
- r(c .. " : " ..formatters(f,...))
+ 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,
@@ -68,7 +76,7 @@ logs = {
new = dummyreporter,
reporter = dummyreporter,
messenger = dummyreporter,
- report = dummyfunction,
+ report = dummyreport,
}
callbacks = {
@@ -224,7 +232,7 @@ do
if not lfs.isdir(cachepath) then
lfs.mkdirs(cachepath) -- needed for texlive and latex
if lfs.isdir(cachepath) then
- texio.write(format("(created cache path: %s)",cachepath))
+ logs.report("system","creating cache path '%s'",cachepath)
end
end
if file.is_writable(cachepath) then
@@ -243,16 +251,16 @@ do
end
if not writable then
- texio.write_nl("quiting: fix your writable cache path")
+ logs.report("system","no writeable cache path, quiting")
os.exit()
elseif #readables == 0 then
- texio.write_nl("quiting: fix your readable cache path")
+ logs.report("system","no readable cache path, quiting")
os.exit()
elseif #readables == 1 and readables[1] == writable then
- texio.write(format("(using cache: %s)",writable))
+ logs.report("system","using cache '%s'",writable)
else
- texio.write(format("(using write cache: %s)",writable))
- texio.write(format("(using read cache: %s)",table.concat(readables, " ")))
+ logs.report("system","using write cache '%s'",writable)
+ logs.report("system","using read cache '%s'",table.concat(readables," "))
end
end
@@ -290,28 +298,28 @@ function caches.loaddata(readables,name,writable)
local loader = false
local luaname, lucname = makefullname(path,name)
if lfs.isfile(lucname) then
- texio.write(format("(load luc: %s)",lucname))
+ logs.report("system","loading luc file '%s'",lucname)
loader = loadfile(lucname)
end
if not loader and lfs.isfile(luaname) then
-- can be different paths when we read a file database from disk
local luacrap, lucname = makefullname(writable,name)
- texio.write(format("(compiling luc: %s)",lucname))
+ 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
- texio.write(format("(load luc: %s)",lucname))
+ logs.report("system","loading luc file '%s'",lucname)
loader = loadfile(lucname)
else
- texio.write(format("(loading failed: %s)",lucname))
+ logs.report("system","error in loading luc file '%s'",lucname)
end
if not loader then
- texio.write(format("(load lua: %s)",luaname))
+ logs.report("system","loading lua file '%s'",luaname)
loader = loadfile(luaname)
else
- texio.write(format("(loading failed: %s)",luaname))
+ logs.report("system","error in loading lua file '%s'",luaname)
end
end
if loader then
@@ -326,11 +334,11 @@ end
function caches.savedata(path,name,data)
local luaname, lucname = makefullname(path,name)
if luaname then
- texio.write(format("(save: %s)",luaname))
+ logs.report("system","saving lua file '%s'",luaname)
table.tofile(luaname,data,true)
if lucname and type(caches.compile) == "function" then
os.remove(lucname) -- better be safe
- texio.write(format("(save: %s)",lucname))
+ logs.report("system","saving luc file '%s'",lucname)
caches.compile(data,luaname,lucname)
end
end
@@ -385,7 +393,6 @@ function table.makeweak(t)
return t
end
-
-- helper for plain:
arguments = { }
diff --git a/tex/generic/context/luatex/luatex-basics-nod.lua b/tex/generic/context/luatex/luatex-basics-nod.lua
index 5827af948..c3b467a11 100644
--- a/tex/generic/context/luatex/luatex-basics-nod.lua
+++ b/tex/generic/context/luatex/luatex-basics-nod.lua
@@ -7,7 +7,6 @@ if not modules then modules = { } end modules ['luatex-fonts-nod'] = {
}
if context then
- texio.write_nl("fatal error: this module is not for context")
os.exit()
end
diff --git a/tex/generic/context/luatex/luatex-fonts-def.lua b/tex/generic/context/luatex/luatex-fonts-def.lua
index 07985af14..883451fb5 100644
--- a/tex/generic/context/luatex/luatex-fonts-def.lua
+++ b/tex/generic/context/luatex/luatex-fonts-def.lua
@@ -7,7 +7,6 @@ if not modules then modules = { } end modules ['luatex-fonts-def'] = {
}
if context then
- texio.write_nl("fatal error: this module is not for context")
os.exit()
end
diff --git a/tex/generic/context/luatex/luatex-fonts-enc.lua b/tex/generic/context/luatex/luatex-fonts-enc.lua
index c076d5947..2bc6b71bf 100644
--- a/tex/generic/context/luatex/luatex-fonts-enc.lua
+++ b/tex/generic/context/luatex/luatex-fonts-enc.lua
@@ -7,7 +7,6 @@ if not modules then modules = { } end modules ['luatex-font-enc'] = {
}
if context then
- texio.write_nl("fatal error: this module is not for context")
os.exit()
end
@@ -19,7 +18,7 @@ encodings.known = { }
setmetatable(encodings.agl, { __index = function(t,k)
if k == "unicodes" then
- texio.write(" <loading (extended) adobe glyph list>")
+ logs.report("fonts","loading (extended) adobe glyph list")
local unicodes = dofile(resolvers.findfile("font-age.lua"))
encodings.agl = { unicodes = unicodes }
return unicodes
diff --git a/tex/generic/context/luatex/luatex-fonts-ext.lua b/tex/generic/context/luatex/luatex-fonts-ext.lua
index 215217953..aee43ec4b 100644
--- a/tex/generic/context/luatex/luatex-fonts-ext.lua
+++ b/tex/generic/context/luatex/luatex-fonts-ext.lua
@@ -7,7 +7,6 @@ if not modules then modules = { } end modules ['luatex-fonts-ext'] = {
}
if context then
- texio.write_nl("fatal error: this module is not for context")
os.exit()
end
diff --git a/tex/generic/context/luatex/luatex-fonts-gbn.lua b/tex/generic/context/luatex/luatex-fonts-gbn.lua
index 272f65e95..53be41c7e 100644
--- a/tex/generic/context/luatex/luatex-fonts-gbn.lua
+++ b/tex/generic/context/luatex/luatex-fonts-gbn.lua
@@ -9,7 +9,6 @@ if not modules then modules = { } end modules ['luatex-fonts-gbn'] = {
-- generic [base|node] mode handler
if context then
- texio.write_nl("fatal error: this module is not for context")
os.exit()
end
@@ -52,8 +51,8 @@ local d_kerning = nuts.kerning
local basemodepass = true
-local function l_warning() texio.write_nl("warning: node.ligaturing called directly") l_warning = nil end
-local function k_warning() texio.write_nl("warning: node.kerning called directly") k_warning = nil end
+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
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
deleted file mode 100644
index 6bcdca25d..000000000
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ /dev/null
@@ -1,37698 +0,0 @@
--- merged file : luatex-fonts-merged.lua
--- parent file : luatex-fonts.lua
--- merge date : 06/20/18 01:22:27
-
-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*P(-1)/""+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*P(-1)/""+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/""*(P(-1)+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
-local trailingzeros=zero^0*-digit
-local case_1=period*trailingzeros/""
-local case_2=period*(digit-trailingzeros)^1*(trailingzeros/"")
-local number=digits*(case_1+case_2)
-local stripper=Cs((number+1)^0)
-lpeg.patterns.stripzeros=stripper
-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+P(-1))*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 stripper=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(stripper,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(stripper,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
- ]]
-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,
- }
-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()
- n=n+1
- return format("tostring(tonumber(a%s) or a%s)",n,n)
-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
- texio.write_nl("fatal error: this module is not for context")
- os.exit()
-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(f,...))
- else
- r("")
- end
- 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=dummyfunction,
-}
-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
- texio.write(format("(created 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
- texio.write_nl("quiting: fix your writable cache path")
- os.exit()
- elseif #readables==0 then
- texio.write_nl("quiting: fix your readable cache path")
- os.exit()
- elseif #readables==1 and readables[1]==writable then
- texio.write(format("(using cache: %s)",writable))
- else
- texio.write(format("(using write cache: %s)",writable))
- texio.write(format("(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
- texio.write(format("(load luc: %s)",lucname))
- loader=loadfile(lucname)
- end
- if not loader and lfs.isfile(luaname) then
- local luacrap,lucname=makefullname(writable,name)
- texio.write(format("(compiling luc: %s)",lucname))
- if lfs.isfile(lucname) then
- loader=loadfile(lucname)
- end
- caches.compile(data,luaname,lucname)
- if lfs.isfile(lucname) then
- texio.write(format("(load luc: %s)",lucname))
- loader=loadfile(lucname)
- else
- texio.write(format("(loading failed: %s)",lucname))
- end
- if not loader then
- texio.write(format("(load lua: %s)",luaname))
- loader=loadfile(luaname)
- else
- texio.write(format("(loading failed: %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
- texio.write(format("(save: %s)",luaname))
- table.tofile(luaname,data,true)
- if lucname and type(caches.compile)=="function" then
- os.remove(lucname)
- texio.write(format("(save: %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
- texio.write_nl("fatal error: this module is not for context")
- os.exit()
-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,
- [2270]=5,
- [2271]=5,
- [2272]=5,
- [2273]=5,
- [2274]=4,
- [2275]=5,
- [2276]=5,
- [2277]=5,
- [2278]=5,
- [2279]=5,
- [2280]=5,
- [2281]=5,
- [2282]=5,
- [2283]=5,
- [2284]=5,
- [2285]=5,
- [2286]=5,
- [2287]=5,
- [2288]=5,
- [2289]=5,
- [2290]=5,
- [2291]=5,
- [2292]=5,
- [2293]=5,
- [2294]=5,
- [2295]=5,
- [2296]=5,
- [2297]=5,
- [2298]=5,
- [2299]=5,
- [2300]=5,
- [2301]=5,
- [2302]=5,
- [2303]=5,
- [2304]=5,
- [2305]=5,
- [2306]=5,
- [2362]=5,
- [2364]=5,
- [2369]=5,
- [2370]=5,
- [2371]=5,
- [2372]=5,
- [2373]=5,
- [2374]=5,
- [2375]=5,
- [2376]=5,
- [2381]=5,
- [2385]=5,
- [2386]=5,
- [2387]=5,
- [2388]=5,
- [2389]=5,
- [2390]=5,
- [2391]=5,
- [2402]=5,
- [2403]=5,
- [2433]=5,
- [2492]=5,
- [2497]=5,
- [2498]=5,
- [2499]=5,
- [2500]=5,
- [2509]=5,
- [2530]=5,
- [2531]=5,
- [2561]=5,
- [2562]=5,
- [2620]=5,
- [2625]=5,
- [2626]=5,
- [2631]=5,
- [2632]=5,
- [2635]=5,
- [2636]=5,
- [2637]=5,
- [2641]=5,
- [2672]=5,
- [2673]=5,
- [2677]=5,
- [2689]=5,
- [2690]=5,
- [2748]=5,
- [2753]=5,
- [2754]=5,
- [2755]=5,
- [2756]=5,
- [2757]=5,
- [2759]=5,
- [2760]=5,
- [2765]=5,
- [2786]=5,
- [2787]=5,
- [2810]=5,
- [2811]=5,
- [2812]=5,
- [2813]=5,
- [2814]=5,
- [2815]=5,
- [2817]=5,
- [2876]=5,
- [2879]=5,
- [2881]=5,
- [2882]=5,
- [2883]=5,
- [2884]=5,
- [2893]=5,
- [2902]=5,
- [2914]=5,
- [2915]=5,
- [2946]=5,
- [3008]=5,
- [3021]=5,
- [3072]=5,
- [3134]=5,
- [3135]=5,
- [3136]=5,
- [3142]=5,
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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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- [3402]=true,
- [3403]=true,
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- [3415]=true,
- [3426]=true,
- [3427]=true,
- },
- ["halant"]={
- [2381]=true,
- [2509]=true,
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- [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,
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- [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,
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- [2503]=true,
- [2504]=true,
- [2622]=true,
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- [2750]=true,
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- [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,
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- [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
- fontloader=nil
-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
- texio.write_nl("fatal error: this module is not for context")
- os.exit()
-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
- texio.write_nl("fatal error: this module is not for context")
- os.exit()
-end
-local fonts=fonts
-local encodings={}
-fonts.encodings=encodings
-encodings.agl={}
-encodings.known={}
-setmetatable(encodings.agl,{ __index=function(t,k)
- if k=="unicodes" then
- texio.write(" <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
- texio.write_nl("fatal error: this module is not for context")
- os.exit()
-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()
- texio.write("<missing font database, run: mtxrun --script fonts --reload --simple>")
- fonts.names.reportmissingbase=nil
-end
-function fonts.names.reportmissingname()
- texio.write("<unknown font in 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)
- texio.write("<font database 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=readintegertable(f,nofcontours,short)
- 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
- local threshold=1
- local parameters=fonts.hashes.parameters
- directives.register("otf.threshold",function(v) threshold=tonumber(v) or 1 end)
- getthreshold=function(font)
- local p=parameters[font]
- local f=p.factor
- local s=p.spacing
- local t=threshold*(s and s.width or p.space or 0)-2
- return t>0 and t or 0,f
- end
-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
- local fontprocesses=fonts.hashes.processes
- function processcharacters(head,font)
- local processors=fontprocesses[font]
- for i=1,#processors do
- head=processors[i](head,font,0)
- end
- return head
- end
-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
- local startactualtext=nil
- local stopactualtext=nil
- function otf.getactualtext(s)
- if not startactualtext then
- startactualtext=backends.codeinjections.startunicodetoactualtextdirect
- stopactualtext=backends.codeinjections.stopunicodetoactualtextdirect
- end
- return startactualtext(s),stopactualtext()
- end
-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
- local colors=attributes.list[attributes.private('color')] or {}
- local transparencies=attributes.list[attributes.private('transparency')] or {}
- function otf.registerpalette(name,values)
- sharedpalettes[name]=values
- for i=1,#values do
- local v=values[i]
- local c=nil
- local t=nil
- if type(v)=="table" then
- c=colors.register(name,"rgb",
- 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
- )
- else
- c=colors[v]
- t=transparencies[v]
- end
- if c and t then
- values[i]=hash[lpdf.color(1,c).." "..lpdf.transparency(t)]
- elseif c then
- values[i]=hash[lpdf.color(1,c)]
- elseif t then
- values[i]=hash[lpdf.color(1,t)]
- end
- end
- end
-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={}
- function otf.storepdfdata(pdf)
- local done=hashed[pdf]
- if not done then
- nofstreams=nofstreams+1
- local o,n=epdf.openMemStream(pdf,#pdf,f_name(nofstreams))
- cache[n]=o
- done=f_used(n)
- hashed[pdf]=done
- end
- return nil,done,nil
- 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
- local splitter,splitspecifiers=nil,""
- local P,C,S,Cc,Cs=lpeg.P,lpeg.C,lpeg.S,lpeg.Cc,lpeg.Cs
- local left=P("(")
- local right=P(")")
- local colon=P(":")
- local space=P(" ")
- local lbrace=P("{")
- local rbrace=P("}")
- definers.defaultlookup="file"
- local prefixpattern=P(false)
- local function addspecifier(symbol)
- splitspecifiers=splitspecifiers..symbol
- local method=S(splitspecifiers)
- local lookup=C(prefixpattern)*colon
- local sub=left*C(P(1-left-right-method)^1)*right
- local specification=C(method)*C(P(1)^1)
- local name=Cs((lbrace/"")*(1-rbrace)^1*(rbrace/"")+(1-sub-specification)^1)
- splitter=P((lookup+Cc(""))*name*(sub+Cc(""))*(specification+Cc("")))
- end
- local function addlookup(str)
- prefixpattern=prefixpattern+P(str)
- end
- definers.addlookup=addlookup
- addlookup("file")
- addlookup("name")
- addlookup("spec")
- local function getspecification(str)
- return lpegmatch(splitter,str or "")
- end
- definers.getspecification=getspecification
- function definers.registersplit(symbol,action,verbosename)
- addspecifier(symbol)
- variants[symbol]=action
- if verbosename then
- variants[verbosename]=action
- end
- end
- function definers.analyze(specification,size)
- local lookup,name,sub,method,detail=getspecification(specification or "")
- return makespecification(specification,lookup,name,sub,method,detail,size)
- end
-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
- texio.write_nl("fatal error: this module is not for context")
- os.exit()
-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
- texio.write_nl("fatal error: this module is not for context")
- os.exit()
-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
- interfaces.implement {
- name="blockligatures",
- arguments="string",
- actions=blockligatures,
- }
-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
- local function initialize(tfmdata,value)
- tfmdata.properties.textitalics=toboolean(value)
- end
- local specification={
- name="textitalics",
- description="use alternative text italic correction",
- initializers={
- base=initialize,
- node=initialize,
- }
- }
- registerotffeature(specification)
- registerafmfeature(specification)
-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
- texio.write_nl("fatal error: this module is not for context")
- os.exit()
-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() texio.write_nl("warning: node.ligaturing called directly") l_warning=nil end
-local function k_warning() texio.write_nl("warning: node.kerning called 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
diff --git a/tex/generic/context/luatex/luatex-fonts-mis.lua b/tex/generic/context/luatex/luatex-fonts-mis.lua
index 02a5b60db..d3cfd70a9 100644
--- a/tex/generic/context/luatex/luatex-fonts-mis.lua
+++ b/tex/generic/context/luatex/luatex-fonts-mis.lua
@@ -7,7 +7,6 @@ if not modules then modules = { } end modules ['luatex-font-mis'] = {
}
if context then
- texio.write_nl("fatal error: this module is not for context")
os.exit()
end
diff --git a/tex/generic/context/luatex/luatex-fonts-syn.lua b/tex/generic/context/luatex/luatex-fonts-syn.lua
index 376fd05fb..2ec075434 100644
--- a/tex/generic/context/luatex/luatex-fonts-syn.lua
+++ b/tex/generic/context/luatex/luatex-fonts-syn.lua
@@ -7,7 +7,6 @@ if not modules then modules = { } end modules ['luatex-fonts-syn'] = {
}
if context then
- texio.write_nl("fatal error: this module is not for context")
os.exit()
end
@@ -46,12 +45,12 @@ local loaded = false
local fileformats = { "lua", "tex", "other text files" }
function fonts.names.reportmissingbase()
- texio.write("<missing font database, run: mtxrun --script fonts --reload --simple>")
+ logs.report("fonts","missing font database, run: mtxrun --script fonts --reload --simple")
fonts.names.reportmissingbase = nil
end
function fonts.names.reportmissingname()
- texio.write("<unknown font in database, run: mtxrun --script fonts --reload --simple>")
+ logs.report("fonts","unknown font in font database, run: mtxrun --script fonts --reload --simple")
fonts.names.reportmissingname = nil
end
@@ -67,7 +66,7 @@ function fonts.names.resolve(name,sub)
local foundname = resolvers.findfile(basename,format) or ""
if foundname ~= "" then
data = dofile(foundname)
- texio.write("<font database loaded: ",foundname,">")
+ logs.report("fonts","font database '%s' loaded",foundname)
break
end
end
diff --git a/tex/generic/context/luatex/luatex-fonts.lua b/tex/generic/context/luatex/luatex-fonts.lua
index 058c3b5a5..16c85ddc2 100644
--- a/tex/generic/context/luatex/luatex-fonts.lua
+++ b/tex/generic/context/luatex/luatex-fonts.lua
@@ -67,7 +67,7 @@ end
if not generic_context.push_namespaces then
function generic_context.push_namespaces()
- texio.write(" <push namespace>")
+ -- logs.report("system","push namespace")
local normalglobal = { }
for k, v in next, _G do
normalglobal[k] = v
@@ -77,7 +77,7 @@ if not generic_context.push_namespaces then
function generic_context.pop_namespaces(normalglobal,isolate)
if normalglobal then
- texio.write(" <pop namespace>")
+ -- logs.report("system","pop namespace")
for k, v in next, _G do
if not normalglobal[k] then
generic_context[k] = v
@@ -92,7 +92,7 @@ if not generic_context.push_namespaces then
-- just to be sure:
setmetatable(generic_context,_G)
else
- texio.write(" <fatal error: invalid pop of generic_context>")
+ logs.report("system","fatal error: invalid pop of generic_context")
os.exit()
end
end
@@ -119,9 +119,26 @@ local starttime = os.gettimeofday()
-- kpse.set_program_name("luatex")
+-- One can define texio.reporter as alternative terminal/log writer. That's as far
+-- as I want to go with this.
+
local ctxkpse = nil
local verbose = true
+if not logs or not logs.report then
+ if not logs then
+ logs = { }
+ end
+ function logs.report(c,f,...)
+ local r = texio.reporter or texio.write_nl
+ if f then
+ r(c .. " : " .. string.format(f,...))
+ else
+ r("")
+ end
+ end
+end
+
local function loadmodule(name,continue)
local foundname = kpse.find_file(name,"tex") or ""
if not foundname then
@@ -132,12 +149,12 @@ local function loadmodule(name,continue)
end
if foundname == "" then
if not continue then
- texio.write_nl(string.format(" <luatex-fonts: unable to locate %s>",name))
+ logs.report("system","unable to locate file '%s'",name)
os.exit()
end
else
if verbose then
- texio.write(string.format(" <%s>",foundname)) -- no file.basename yet
+ logs.report("system","loading '%s'",foundname) -- no file.basename yet
end
dofile(foundname)
end
@@ -328,6 +345,6 @@ end
-- We're done.
-texio.write(string.format(" <luatex-fonts.lua loaded in %0.3f seconds>", os.gettimeofday()-starttime))
+logs.report("system","luatex-fonts.lua loaded in %0.3f seconds", os.gettimeofday()-starttime)
generic_context.pop_namespaces(whatever)
diff --git a/tex/generic/context/luatex/luatex-languages.lua b/tex/generic/context/luatex/luatex-languages.lua
index cecd60c13..825089802 100644
--- a/tex/generic/context/luatex/luatex-languages.lua
+++ b/tex/generic/context/luatex/luatex-languages.lua
@@ -6,6 +6,10 @@ if not modules then modules = { } end modules ['luatex-languages'] = {
license = "see context related readme files"
}
+if context then
+ os.exit()
+end
+
-- We borrow from ConTeXt.
languages = languages or { }
@@ -17,19 +21,18 @@ function languages.loadpatterns(tag)
loaded[tag] = 0
local filename = kpse.find_file("lang-" .. tag .. ".lua")
if not filename or filename == "" then
- texio.write("<unknown language file for: " .. tag .. ">")
+ logs.report("languages","unknown language file for '%s'",tag)
else
local whatever = loadfile(filename)
if type(whatever) == "function" then
whatever = whatever()
if type(whatever) == "table" then
- texio.write("<language file: " .. tag .. ">")
+ logs.report("languages","loading language file for '%s'",tag)
local characters = whatever.patterns.characters or ""
local patterns = whatever.patterns.data or ""
local exceptions = whatever.exceptions.data or ""
for b in string.utfvalues(characters) do
- -- what about uppercase
--- lang.sethjcode(b,b)
+ -- lang.sethjcode(b,b)
tex.setlccode(b,b)
end
local language = lang.new()
@@ -37,11 +40,11 @@ function languages.loadpatterns(tag)
lang.hyphenation(language, exceptions)
loaded[tag] = lang.id(language)
else
- texio.write("<invalid language table: " .. tag .. ">")
+ logs.report("languages","invalid language table for '%s'",tag)
os.exit()
end
else
- texio.write("<invalid language file: " .. tag .. ">")
+ logs.report("languages","invalid language file for '%s'",tag)
os.exit()
end
end
diff --git a/tex/generic/context/luatex/luatex-mplib.lua b/tex/generic/context/luatex/luatex-mplib.lua
index c610fca57..c251d88c3 100644
--- a/tex/generic/context/luatex/luatex-mplib.lua
+++ b/tex/generic/context/luatex/luatex-mplib.lua
@@ -82,7 +82,11 @@ else
--ldx]]--
metapost.report = metapost.report or function(...)
- texio.write(format("<mplib: %s>",format(...)))
+ if logs.report then
+ logs.report("metapost",...)
+ else
+ texio.write(format("<mplib: %s>",format(...)))
+ end
end
--[[ldx--
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 13:17:25 +0000