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-rw-r--r--tex/context/base/buff-ini.mkiv4
-rw-r--r--tex/context/base/buff-par.lua179
-rw-r--r--tex/context/base/buff-par.mkiv151
-rw-r--r--tex/context/base/buff-ver.lua19
-rw-r--r--tex/context/base/cont-new.tex2
-rw-r--r--tex/context/base/context.mkiv1
-rw-r--r--tex/context/base/context.tex2
-rw-r--r--tex/context/base/lpdf-wid.lua2
-rw-r--r--tex/context/base/lxml-lpt.lua4
-rw-r--r--tex/context/base/lxml-tab.lua1
-rw-r--r--tex/context/base/mult-sys.mkiv1
-rw-r--r--tex/context/base/node-ref.lua13
-rw-r--r--tex/context/base/strc-ren.mkiv45
-rw-r--r--tex/context/base/util-str.lua88
-rw-r--r--tex/generic/context/luatex-fonts-merged.lua2
15 files changed, 457 insertions, 57 deletions
diff --git a/tex/context/base/buff-ini.mkiv b/tex/context/base/buff-ini.mkiv
index 221d9e4b1..c90e08e7f 100644
--- a/tex/context/base/buff-ini.mkiv
+++ b/tex/context/base/buff-ini.mkiv
@@ -1,6 +1,6 @@
%D \module
-%D [ file=buff-ini, % was core-buf, % blocks are moved to core-blk
-%D version=2000.01.05,
+%D [ file=buff-ini,
+%D version=2011.11.22, % previous big effort 2000.01.05,
%D title=\CONTEXT\ Buffer Macros,
%D subtitle=Buffers,
%D author=Hans Hagen,
diff --git a/tex/context/base/buff-par.lua b/tex/context/base/buff-par.lua
new file mode 100644
index 000000000..763d3481d
--- /dev/null
+++ b/tex/context/base/buff-par.lua
@@ -0,0 +1,179 @@
+if not modules then modules = { } end modules ['buff-ini'] = {
+ version = 1.001,
+ comment = "companion to buff-ini.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+local trace_parallel = false trackers.register("buffers.parallel", function(v) trace_parallel = v end)
+
+local report_parallel = logs.new("parallel")
+
+local insert, remove, find, gmatch = table.insert, table.remove, string.find, string.gmatch
+local strip, format = string.strip, string.format
+
+local variables = interfaces.variables
+
+buffers.parallel = { } local parallel = buffers.parallel
+
+local data = { }
+
+function parallel.define(category,tags)
+ local tags = utilities.parsers.settings_to_array(tags)
+ local entries = { }
+ data[category] = {
+ tags = tags,
+ entries = entries,
+ }
+ for i=1,#tags do
+ entries[tags[i]] = {
+ lines = { },
+ number = 0,
+ }
+ end
+end
+
+function parallel.reset(category,tags)
+ if not tags or tags == "" or tags == variables.all then
+ tags = table.keys(entries)
+ else
+ tags = utilities.parsers.settings_to_array(tags)
+ end
+ for i=1,#tags do
+ entries[tags[i]] = {
+ lines = { },
+ number = 0,
+ }
+ end
+end
+
+function parallel.next(category)
+ local dc = data[category]
+ local tags = dc.tags
+ local entries = dc.entries
+ for i=1,#tags do
+ insert(entries[tags[i]].lines, { })
+ end
+end
+
+function parallel.save(category,tag,content)
+ local dc = data[category]
+ if not dc then
+ return
+ end
+ local entries = dc.entries[tag]
+ if not entries then
+ return
+ end
+ local lines = entries.lines
+ if not lines then
+ return
+ end
+ local line = lines[#lines]
+ if not line then
+ return
+ end
+ -- maybe no strip
+ -- use lpeg
+ if find(content,"^%s*%[") then
+ local done = false
+ for label, content in gmatch(content,"%s*%[(.-)%]%s*([^%[]+)") do
+ if done then
+ line = { }
+ insert(lines,line)
+ else
+ done = true
+ end
+ if trace_parallel and label ~= "" then
+ report_parallel("reference found: category '%s', tag '%s', label '%s'",category,tag,label)
+ end
+ line.label = label
+ line.content = strip(content)
+ end
+ else
+ line.content = strip(content)
+ line.label = ""
+ end
+end
+
+function parallel.hassomecontent(category,tags)
+ local dc = data[category]
+ if not dc then
+ return false
+ end
+ local entries = dc.entries
+ if not tags or tags == "" or tags == variables.all then
+ tags = table.keys(entries)
+ else
+ tags = utilities.parsers.settings_to_array(tags)
+ end
+ for t=1,#tags do
+ local tag = tags[t]
+ local lines = entries[tag].lines
+ for i=1,#lines do
+ local content = lines[i].content
+ if content and content ~= "" then
+ return true
+ end
+ end
+ end
+ return false
+end
+
+local save = resolvers.savers.byscheme
+
+function parallel.place(category,tags,options)
+ local dc = data[category]
+ if not dc then
+ return
+ end
+ local entries = dc.entries
+ local tags = utilities.parsers.settings_to_array(tags)
+ local options = utilities.parsers.settings_to_hash(options)
+ local start, n, criterium = options.start, options.n, options.criterium
+ start, n = start and tonumber(start), n and tonumber(n)
+ local max = 1
+ if n then
+ max = n
+ elseif criterium == variables.all then
+ max = 0
+ for t=1,#tags do
+ local tag = tags[t]
+ local lines = entries[tag].lines
+ if #lines > max then
+ max = #lines
+ end
+ end
+ end
+ for i=1,max do
+ for t=1,#tags do
+ local tag = tags[t]
+ local entry = entries[tag]
+ if entry then
+ local lines = entry.lines
+ local number = entry.number + 1
+ entry.number = number
+ local line = remove(lines,1)
+ if line and line.content then
+ local content = format("\\input{%s}",save("virtual","parallel",line.content))
+ context.doflushparallel(tag,1,number,line.label,content)
+ else
+ context.doflushparallel(tag,0,number,"","")
+ end
+ end
+ end
+ end
+end
+
+-- interface
+
+commands.defineparallel = parallel.define
+commands.nextparallel = parallel.next
+commands.saveparallel = parallel.save
+commands.placeparallel = parallel.place
+commands.resetparallel = parallel.reset
+
+function commands.doifelseparallel(category,tags)
+ commands.testcase(parallel.hassomecontent(category,tags))
+end
diff --git a/tex/context/base/buff-par.mkiv b/tex/context/base/buff-par.mkiv
new file mode 100644
index 000000000..ad7d298e0
--- /dev/null
+++ b/tex/context/base/buff-par.mkiv
@@ -0,0 +1,151 @@
+%D \module
+%D [ file=buff-par,
+%D version=2010.12.05,
+%D title=\CONTEXT\ Buffer Macros,
+%D subtitle=Parallel,
+%D author=Hans Hagen,
+%D date=\currentdate,
+%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+\writestatus{loading}{ConTeXt Buffer Macros / Parallel}
+
+\registerctxluafile{buff-par}{1.001}
+
+%D This module is developped for Thomas Schmitz as part of
+%D a project.
+
+\unprotect
+
+\letvalue{\??px:}\empty
+
+\def\parallelparameter#1%
+ {\csname\??px:%
+ \ifcsname\??px:\currentparallel:\currentparallelinstance:#1\endcsname
+ \currentparallel:\currentparallelinstance:#1%
+ \else\ifcsname\??px:\currentparallel:#1\endcsname
+ \currentparallel:#1%
+ \else\ifcsname\??px:#1\endcsname
+ #1%
+ \fi\fi\fi
+ \endcsname}
+
+\unexpanded\def\defineparallel
+ {\dodoubleargument\dodefineparallel}
+
+\def\dodefineparallel[#1][#2]%
+ {\ctxlua{commands.defineparallel("#1","#2")}%
+ \processcommalist[#2]\dododefineparallel
+ \setuvalue{\e!start#1}{\dostartparallelset{#1}}%
+ \setuvalue{\e!stop #1}{\dostopparallelset}}
+
+\def\dododefineparallel#1%
+ {\definebuffer[#1]%%
+ \setuvalue{\e!stop#1}{\dowithparallel{#1}}}
+
+\def\dostartparallelset#1%
+ {\def\currentparallel{#1}%
+ \ctxlua{commands.nextparallel("\currentparallel")}}
+
+\def\dostopparallelset#1%
+ {}
+
+\def\dowithparallel#1% defined moet ook aan de lua kant kunnen
+ {\ctxlua{commands.saveparallel("\currentparallel","#1",buffers.raw("\thedefinedbuffer{#1}"))}}
+
+\unexpanded\def\placeparallel
+ {\dotripleempty\doplaceparallel}
+
+\def\doplaceparallel[#1][#2][#3]%
+ {\begingroup
+ \def\currentparallel{#1}%
+ \ctxlua{commands.placeparallel("\currentparallel","#2","#3")}%
+ \endgroup}
+
+% was: \parallelparameter\c!command}
+
+\def\doflushparallel#1#2#3#4#5% {instance}{status}{line}{label}{content}
+ {\begingroup
+ \def\currentparallelinstance{#1}%
+ \def\currentparallelnumber {#2}%
+ \def\currentparallelline {#3}%
+ \def\currentparallellabel {#4}%
+ \def\currentparallelcontent {#5}%
+ \ifcase#2\relax
+ \expandafter\noflushparalleldefault
+ \or
+ \expandafter\doflushparalleldefault
+ \fi
+ \endgroup}
+
+\def\noflushparalleldefault{}
+\def\doflushparalleldefault{\directsetup{\parallelparameter\c!setups}}
+
+\startsetups parallel:place:default
+ \hangafter1
+ \hangindent4em
+ \dontleavehmode
+ \hbox to 3em \bgroup
+ \hss
+ \bf
+ \doifsomething \currentparallellabel {
+ \textreference[\currentparallellabel]{\currentparallelline}
+ }
+ \currentparallelline
+ \quad
+ \egroup
+ \currentparallelcontent
+ \par
+\stopsetups
+
+\unexpanded\def\setupparallel
+ {\dotripleempty\dosetupparallel}
+
+\def\dosetupparallel[#1][#2][#3]%
+ {\ifthirdargument
+ \getparameters[\??px:#1:#2:][#3]%
+ \else\ifsecondargument
+ \getparameters[\??px:#1:][#2]%
+ \else
+ \getparameters[\??px:][#1]% maybe no : here
+ \fi\fi}
+
+\setupparallel
+% [\c!command=\doflushparalleldefault]
+ [\c!setups=parallel:place:default]
+
+\def\doifelseparallel#1#2%
+ {\cldcontext{commands.doifelseparallel("#1","#2")}}
+
+\def\resetparallel
+ {\dodoubleempty\doresetparallel}
+
+\def\resetparallel[#1][#2]%
+ {\ctxlua{commands.resetparallel("#1","#2"))}}
+
+% default
+
+% \def\doflushparalleldefault#1#2#3#4% todo: setups instead
+% {\ifcase#1\or
+% \begingroup
+% \hangafter1
+% \hangindent4em
+% \dontleavehmode
+% \hbox to 3em{\hss\bf\doifsomething{#3}{\textreference[#3]{#2}}#2\quad}#4\par
+% \endgroup
+% \fi}
+
+\protect \endinput
+
+% \def\dododefineparallel#1%
+% {\setuvalue{\e!stop #1}{}%
+% \setuvalue{\e!start#1}{\dostartparallel{#1}}}
+%
+% \def\dostartparallel#1%
+% {\grabuntil{\e!stop#1}{\dododostartparallel{#1}}}
+%
+% \def\dododostartparallel#1#2%
+% {\ctxlua{commands.saveparallel("\currentparallel","#1",\!!bs\detokenize{#2}\!!es)}}
diff --git a/tex/context/base/buff-ver.lua b/tex/context/base/buff-ver.lua
index c8f24c813..2cc8d6df9 100644
--- a/tex/context/base/buff-ver.lua
+++ b/tex/context/base/buff-ver.lua
@@ -491,13 +491,14 @@ end
local tablength = 7
-local function flush(content,settings)
+local function dotabs(content,settings)
local tab = settings.tab
tab = tab and (tab == v_yes and tablength or tonumber(tab))
if tab then
- content = tabtospace(content,tab)
+ return tabtospace(content,tab)
+ else
+ return content
end
- visualize(content,settings)
end
local function filter(lines,settings) -- todo: inline or display in settings
@@ -524,7 +525,8 @@ function commands.typebuffer(settings)
if lines then
local content, m = filter(lines,settings)
if content and content ~= "" then
- flush(content,checkedsettings(settings,"display"))
+ content = dotabs(content,settings)
+ visualize(content,checkedsettings(settings,"display"))
end
end
end
@@ -534,7 +536,8 @@ function commands.processbuffer(settings)
if lines then
local content, m = filter(lines,settings)
if content and content ~= "" then
- flush(content,checkedsettings(settings,"direct"))
+ content = dotabs(content,settings)
+ visualize(content,checkedsettings(settings,"direct"))
end
end
end
@@ -544,7 +547,8 @@ end
function commands.typestring(settings)
local content = settings.data
if content and content ~= "" then
- flush(content,checkedsettings(settings,"inline"))
+ -- content = dotabs(content,settings)
+ visualize(content,checkedsettings(settings,"inline"))
end
end
@@ -563,7 +567,8 @@ function commands.typefile(settings)
local lines = splitlines(str)
local content, m = filter(lines,settings)
if content and content ~= "" then
- flush(content,checkedsettings(settings,"display"))
+ content = dotabs(content,settings)
+ visualize(content,checkedsettings(settings,"display"))
end
end
end
diff --git a/tex/context/base/cont-new.tex b/tex/context/base/cont-new.tex
index 3f0f7f318..c37350f86 100644
--- a/tex/context/base/cont-new.tex
+++ b/tex/context/base/cont-new.tex
@@ -11,7 +11,7 @@
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
-\newcontextversion{2010.12.02 18:37}
+\newcontextversion{2010.12.04 09:44}
%D This file is loaded at runtime, thereby providing an
%D excellent place for hacks, patches, extensions and new
diff --git a/tex/context/base/context.mkiv b/tex/context/base/context.mkiv
index 1f9ea2200..7e15413c5 100644
--- a/tex/context/base/context.mkiv
+++ b/tex/context/base/context.mkiv
@@ -232,6 +232,7 @@
\loadmarkfile{buff-ini}
\loadmarkfile{buff-ver}
+\loadmarkfile{buff-par}
\loadmarkfile{v-default} % preloaded as otherwise spurious spaces inline due to loading
\loadmarkfile{v-nested} % preloaded as otherwise spurious spaces inline due to loading
diff --git a/tex/context/base/context.tex b/tex/context/base/context.tex
index bdcc50f61..1a1d0f38a 100644
--- a/tex/context/base/context.tex
+++ b/tex/context/base/context.tex
@@ -20,7 +20,7 @@
%D your styles an modules.
\edef\contextformat {\jobname}
-\edef\contextversion{2010.12.02 18:37}
+\edef\contextversion{2010.12.04 09:44}
%D For those who want to use this:
diff --git a/tex/context/base/lpdf-wid.lua b/tex/context/base/lpdf-wid.lua
index 1dd0a60d5..6caf2f6c4 100644
--- a/tex/context/base/lpdf-wid.lua
+++ b/tex/context/base/lpdf-wid.lua
@@ -121,7 +121,7 @@ end
function codeinjections.registercomment(specification)
nofcomments = nofcomments + 1
- local text = buffers.collect(specification.buffer)
+ local text = buffers.collectcontent(specification.buffer)
if stripleading then
text = gsub(text,"[\n\r] *","\n")
end
diff --git a/tex/context/base/lxml-lpt.lua b/tex/context/base/lxml-lpt.lua
index 274601d83..357535d41 100644
--- a/tex/context/base/lxml-lpt.lua
+++ b/tex/context/base/lxml-lpt.lua
@@ -530,7 +530,9 @@ local lp_builtin = P (
P("ns") / "ll.ns"
) * ((spaces * P("(") * spaces * P(")"))/"")
-local lp_attribute = (P("@") + P("attribute::")) / "" * Cc("(ll.at and ll.at['") * R("az","AZ","--","__")^1 * Cc("'])")
+-- for the moment we keep namespaces with attributes
+
+local lp_attribute = (P("@") + P("attribute::")) / "" * Cc("(ll.at and ll.at['") * ((R("az","AZ") + S("-_:"))^1) * Cc("'])")
local lp_fastpos_p = ((P("+")^0 * R("09")^1 * P(-1)) / function(s) return "l==" .. s end)
local lp_fastpos_n = ((P("-") * R("09")^1 * P(-1)) / function(s) return "(" .. s .. "<0 and (#list+".. s .. "==l))" end)
local lp_fastpos = lp_fastpos_n + lp_fastpos_p
diff --git a/tex/context/base/lxml-tab.lua b/tex/context/base/lxml-tab.lua
index 6a85a4853..0e95fe358 100644
--- a/tex/context/base/lxml-tab.lua
+++ b/tex/context/base/lxml-tab.lua
@@ -263,6 +263,7 @@ local function attribute_value_error(str)
end
return str
end
+
local function attribute_specification_error(str)
if not reported_attribute_errors[str] then
report_xml("invalid attribute specification: %q",str)
diff --git a/tex/context/base/mult-sys.mkiv b/tex/context/base/mult-sys.mkiv
index affbee64c..143d70485 100644
--- a/tex/context/base/mult-sys.mkiv
+++ b/tex/context/base/mult-sys.mkiv
@@ -623,6 +623,7 @@
\definesystemvariable {pr} % PRogrammas
\definesystemvariable {ps} % PoSitioneren
\definesystemvariable {pt} % PageshifT
+\definesystemvariable {px} % Parallel
\definesystemvariable {py} % PropertYs
\definesystemvariable {pv} % PublicationVariable
\definesystemvariable {ra} % RAise
diff --git a/tex/context/base/node-ref.lua b/tex/context/base/node-ref.lua
index 082f1c8b0..e82065ee7 100644
--- a/tex/context/base/node-ref.lua
+++ b/tex/context/base/node-ref.lua
@@ -321,6 +321,15 @@ local function colorize(width,height,depth,n)
end
u_colors[n] = u_color
end
+ if width == 0 then
+ report_backends("reference %s has no horizontal dimensions: width=%s, height=%s, depth=%s",reference,width,height,depth)
+ width = 65536
+ end
+ if height + depth <= 0 then
+ report_backends("reference %s has no vertical dimensions: width=%s, height=%s, depth=%s",reference,width,height,depth)
+ height = 65536/2
+ depth = height
+ end
local rule = new_rule(width,height,depth)
set_attribute(rule,a_colormodel,1) -- gray color model
set_attribute(rule,a_color,u_color)
@@ -391,7 +400,7 @@ local function makereference(width,height,depth,reference)
local result, current
if trace_references then
local step = 65536
- result = hpack_list(colorize(width,height-step,depth-step,2)) -- step subtracted so that we can see seperate links
+ result = hpack_list(colorize(width,height-step,depth-step,2,reference)) -- step subtracted so that we can see seperate links
result.width = 0
current = result
end
@@ -460,7 +469,7 @@ local function makedestination(width,height,depth,reference)
width, height, depth = 5*step, 5*step, 0
end
for n=1,#name do
- local rule = hpack_list(colorize(width,height,depth,3))
+ local rule = hpack_list(colorize(width,height,depth,3,reference))
rule.width = 0
if not result then
result, current = rule, rule
diff --git a/tex/context/base/strc-ren.mkiv b/tex/context/base/strc-ren.mkiv
index 1639a5a49..7f65bd8e3 100644
--- a/tex/context/base/strc-ren.mkiv
+++ b/tex/context/base/strc-ren.mkiv
@@ -116,18 +116,17 @@
\let\currentstructurereferenceattribute\attributeunsetvalue
-\def\structureheadattribute
+\def\structureheadreferenceattributes
{\iflocation
attr \destinationattribute \currentstructureattribute
attr \referenceattribute \currentstructurereferenceattribute
\fi}
-% \def\docheckstructureheadreference
-% {\edef\currentstructureheadinteraction{\structureheadparameter\c!interaction}%
-% \ifx\currentstructureheadinteraction\v!list
-% \dogetsimplepagereference{bck:\nextinternalreference}%
-% \let\currentstructurereferenceattribute\currentreferenceattribute
-% \fi}
+\def\setinlinestructureheadreferenceattributes
+ {\ifconditional\structureheadisdisplay \else \iflocation
+ \attribute\destinationattribute\currentstructureattribute
+ \attribute\referenceattribute \currentstructurereferenceattribute
+ \fi \fi}
\def\docheckstructureheadreference
{\edef\currentstructureheadinteraction{\structureheadparameter\c!interaction}%
@@ -151,14 +150,15 @@
\setstructureheadmarking
\doresettructureheadnumbercontent
\ifconditional\structureheadleaveempty
- \setbox\sectionheadbox\ifvertical\vbox\else\hbox\fi \structureheadattribute to \zeropoint{}%
+ \setbox\sectionheadbox\ifvertical\vbox\else\hbox\fi \structureheadreferenceattributes to \zeropoint{}%
\makestrutofbox\sectionheadbox
\else
\docheckstructureheadreference
- \setbox\sectionheadbox\ifvertical\vbox\else\hbox\fi \structureheadattribute
+ \setbox\sectionheadbox\ifvertical\vbox\else\hbox\fi \structureheadreferenceattributes
{\dosetlocalgridsnapping{\structureheadparameter\c!internalgrid}%
\doresettructureheadnumbercontent
\dosetfontattribute{\??nh\currentstructurehead}\c!style % but we don't want color to influence user command, todo: get the if-else out of it
+ \setinlinestructureheadreferenceattributes
\structureheadparameter\c!command{}{\doplaceheadtextcomponent\getstructureheadtitle}}%
\fi
\endheadplacement{\getstructureheadsyncs}}
@@ -168,19 +168,20 @@
\setstructureheadmarking
\doiftextelse{\getstructureheadnumber}\dosettructureheadnumbercontent\doresettructureheadnumbercontent
\ifconditional\structureheadleaveempty
- \setbox\sectionheadbox\ifvertical\vbox\else\hbox\fi \structureheadattribute to \zeropoint{}%
+ \setbox\sectionheadbox\ifvertical\vbox\else\hbox\fi \structureheadreferenceattributes to \zeropoint{}%
\makestrutofbox\sectionheadbox
\else % = needed
\docheckstructureheadreference
- \setbox\sectionheadbox\ifvertical\vbox\else\hbox\fi \structureheadattribute
+ \setbox\sectionheadbox\ifvertical\vbox\else\hbox\fi \structureheadreferenceattributes
{\dosetlocalgridsnapping{\structureheadparameter\c!internalgrid}%
\dosetfontattribute{\??nh\currentstructurehead}\c!style
+ \setinlinestructureheadreferenceattributes
\structureheadparameter\c!command{\doplaceheadnumbercomponent\getstructureheadnumber}{\doplaceheadtextcomponent\getstructureheadtitle}}%
\fi
\endheadplacement{\getstructureheadsyncs}}
\unexpanded\def\placestructureheadempty
- {\hbox \structureheadattribute {\getstructureheadsyncs}}
+ {\hbox \structureheadreferenceattributes {\getstructureheadsyncs}}
%D \starttyping
%D \def\StretchedBox#1%
@@ -486,4 +487,24 @@
\defineheadplacement[\v!bottom][\v!vertical]#1#2{\placeheadlohi\vbox{#1}{#2}}
\defineheadplacement[\v!top] [\v!vertical]#1#2{\placeheadlohi\vtop{#1}{#2}}
+% helpers
+
+% \defineinmargin [ChapterInMargin] [outer] [normal] [distance=0.3em]
+%
+% \defineheadplacement[MyTest][horizontal]#1#2%
+% {\startlocalheadsetup
+% %\ChapterInMargin{\structureheadhbox{\strut#2}}% proper destination, ref okay
+% \ChapterInMargin{\strut#2}% zero destination, ref okay
+% \stoplocalheadsetup}
+%
+% \setuphead
+% [chapter]
+% [alternative=MyTest]
+
+\unexpanded\def\structureheadhbox{\hbox\structureheadreferenceattributes}
+\unexpanded\def\structureheadvbox{\vbox\structureheadreferenceattributes}
+
+\unexpanded\def\startlocalheadsetup{\bgroup\localheadsetup}
+\unexpanded\def\stoplocalheadsetup {\egroup}
+
\protect \endinput
diff --git a/tex/context/base/util-str.lua b/tex/context/base/util-str.lua
index 18caa27bd..adcbf1654 100644
--- a/tex/context/base/util-str.lua
+++ b/tex/context/base/util-str.lua
@@ -10,8 +10,9 @@ utilities = utilities or {}
utilities.strings = utilities.strings or { }
local strings = utilities.strings
-local find, gsub = string.find, string.gsub
-local patterns, Cs, lpegmatch = lpeg.patterns, lpeg.Cs, lpeg.match
+local find, gsub, rep = string.find, string.gsub, string.rep
+local Cs, C, Cp, P, Carg = lpeg.Cs, lpeg.C, lpeg.Cp, lpeg.P, lpeg.Carg
+local patterns, lpegmatch = lpeg.patterns, lpeg.match
-- str = " \n \ntest \n test\ntest "
-- print("["..string.gsub(string.collapsecrlf(str),"\n","+").."]")
@@ -30,37 +31,72 @@ function strings.collapsecrlf(str)
return lpegmatch(pattern,str)
end
+-- The following functions might end up in another namespace.
+
+--~ function strings.tabtospace(str,tab)
+--~ -- we don't handle embedded newlines
+--~ while true do
+--~ local s = find(str,"\t")
+--~ if s then
+--~ if not tab then tab = 7 end -- only when found
+--~ local d = tab-(s-1) % tab
+--~ if d > 0 then
+--~ str = gsub(str,"\t",rep(" ",d),1)
+--~ else
+--~ str = gsub(str,"\t","",1)
+--~ end
+--~ else
+--~ break
+--~ end
+--~ end
+--~ return str
+--~ end
+
+local extra, tab, start = 0, 0, 4, 0
+
+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 rep(" ",spaces)
+ else
+ return ""
+ end
+ end
+ + patterns.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
+
--~ local t = {
--~ "1234567123456712345671234567",
+--~ "\tb\tc",
--~ "a\tb\tc",
--~ "aa\tbb\tcc",
--~ "aaa\tbbb\tccc",
--~ "aaaa\tbbbb\tcccc",
--~ "aaaaa\tbbbbb\tccccc",
---~ "aaaaaa\tbbbbbb\tcccccc",
+--~ "aaaaaa\tbbbbbb\tcccccc\n aaaaaa\tbbbbbb\tcccccc",
+--~ "one\n two\nxxx three\nxx four\nx five\nsix",
--~ }
---~ for k,v do
---~ print(string.tabtospace(t[k]))
+--~ for k=1,#t do
+--~ print(strings.tabtospace(t[k]))
--~ end
--- The following functions might end up in another namespace.
-
-function strings.tabtospace(str,tab)
- -- we don't handle embedded newlines
- while true do
- local s = find(str,"\t")
- if s then
- if not tab then tab = 7 end -- only when found
- local d = tab-(s-1) % tab
- if d > 0 then
- str = gsub(str,"\t",rep(" ",d),1)
- else
- str = gsub(str,"\t","",1)
- end
- else
- break
- end
- end
+function strings.striplong(str) -- strips all leading spaces
+ str = gsub(str,"^%s*","")
+ str = gsub(str,"[\n\r]+ *","\n")
return str
end
@@ -69,9 +105,3 @@ end
--~ bb
--~ cccccc
--~ ]])
-
-function strings.striplong(str) -- strips all leading spaces
- str = gsub(str,"^%s*","")
- str = gsub(str,"[\n\r]+ *","\n")
- return str
-end
diff --git a/tex/generic/context/luatex-fonts-merged.lua b/tex/generic/context/luatex-fonts-merged.lua
index 06ef44251..19b110416 100644
--- a/tex/generic/context/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
-- merged file : luatex-fonts-merged.lua
-- parent file : luatex-fonts.lua
--- merge date : 12/02/10 18:37:42
+-- merge date : 12/04/10 09:44:58
do -- begin closure to overcome local limits and interference
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 07:42:25 +0000