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%D \module
%D [ file=lang-rep,
%D version=2013.04.28,
%D title=\CONTEXT\ Language Macros,
%D subtitle=Substitution,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
%D As I needed an example of messing with nodes for the bacho\TEX\ tutorial
%D I cooked up this. In the end I decided to stick to a simpler example and
%D just finished this off in case someone really needs it.
\writestatus{loading}{ConTeXt Language Macros / Replacements}
\unprotect
\registerctxluafile{lang-rep}{autosuffix}
\definesystemattribute[replacements][public,global]
%D \starttyping
%D \startluacode
%D
%D -- todo: other nodes (prelude to more experiments with auto dropped caps)
%D
%D languages.replacements.add("basics", {
%D ["aap"] = "monkey",
%D ["noot"] = "nut",
%D ["never"] = "forever",
%D ["newer"] = "cooler",
%D ["new"] = "cool",
%D -- ["special"] = "veryspe{>>>}{<<<}{=}cial",
%D })
%D
%D \stopluacode
%D
%D \replaceword[more][this][that]
%D \replaceword[more][crap][support]
%D \replaceword[more][---][—]
%D \replaceword[basics][special][veryspe{>>>}{<<<}{=}cial]
%D
%D \start \setreplacements[basics] What the heck, it's now or never, isn't it new? \par \stop
%D \start \setreplacements[more] Do we --- {\it really} --- need this kind of crap? \par \stop
%D \start \setreplacements[basics] All kinds of special thingies! \par \stop
%D \start \setreplacements[basics] \hsize1mm special \par \stop
%D \stoptyping
%D
%D Only in \LUA, functions:
%D
%D \startluacode
%D languages.replacements.add("basics", {
%D ["one"] = "cool",
%D ["two"] = function(s)
%D return "warm"
%D end
%D })
%D \stopluacode
%D
%D \starttyping
%D \start \setreplacements[basics] It's one in here! \stop \par
%D \start \setreplacements[basics] It's two in here! \stop \par
%D \stoptyping
\permanent\protected\def\setreplacements[#1]%
{\clf_setreplacements{#1}}
\permanent\protected\def\resetreplacements
{\c_attr_replacements\attributeunsetvalue}
\permanent\tolerant\protected\def\replaceword[#1]#*[#2]#*[#3]%
{\ifarguments\or\or
\clf_addreplacementslist{#1}{#2}%
\or
\clf_addreplacements{#1}{#2}{#3}%
\fi}
\appendtoks
\resetreplacements
\to \everyresettypesetting
\appendtoks
\resetreplacements
\to \everyinitializeverbatim
\protect \endinput
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