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-%D \module
-%D [ file=core-uti,
-%D version=1997.03.31,
-%D title=\CONTEXT\ Core Macros,
-%D subtitle=Utility File Handling,
-%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 Core Macros / Utility File Handling}
-
-\unprotect
-
-% todo : safe lan etc too
-% todo : load all commands at once (tok)
-% todo : merge status info patch into tui file (language, encoding, etc),
-
-% Utility-file
-%
-% De onderstaande macro's ondersteunen het gebruik van de
-% zogeheten utility-file. Alle extern onder te brengen
-% informatie wordt opgeslagen in de file \jobname.tui, tenzij
-% er selectief pagina's worden gezet. In dat geval wordt de
-% file \jobname.tmp gebruikt. Informatie wordt ingelezen uit
-% de file \jobname.tuo, welke door TeXUtil wordt aangemaakt.
-
-\edef\utilityversion{1998.07.07} % was: 1996.03.15 % status variables
-\edef\utilityversion{1998.12.20} % was: 1998.07.07 % index attributes
-\edef\utilityversion{2003.07.19} % was: 1998.12.20 % object pages
-\edef\utilityversion{2006.06.23} % was: 2003.07.19 % -- instead of :
-\edef\utilityversion{2006.09.21} % pt in pos
-\edef\utilityversion{2008.10.14} % moved more to lua in mkiv
-
-% Bepaalde commando's worden als string weggeschreven. Deze
-% zijn aan het eind van deze file gedefinieerd.
-
-% Om een opbouw van spaties te voorkomen (???) moet ^^M een
-% andere betekenis krijgen:
-%
-% \catcode`\^^M=14 (comment)
-%
-% read file
-%
-% \catcode`\^^M=5 (end of line)
-
-\newwrite\utility@tui
-\newif\ifutilitydone
-
-\def\@@utilityerrormessage
- {\showmessage\m!systems8\empty
- \globallet\@@utilityerrormessage\relax}
-
-\def\thisisutilityversion#1%
- {\doifelse\utilityversion{#1}%
- {\checksectionseparator}
- {\@@utilityerrormessage\resetutilities\endinput}}
-
-\def\checksectionseparator % catches backward compatibility conflict
- {}% \doifnot\sectionseparator:\endinput} % this dependency may go in a few years
-
-\def\dosplitofffoliopart[#1--#2--#3]{#3}
-
-\def\thisissectionseparator#1%
- {\bgroup
- \globallet\checksectionseparator\relax
- \defconvertedcommand \asciia\sectionseparator
- \defconvertedargument\asciib{#1}%
- \expanded{\gdef\noexpand\dosplitofffoliopart[####1\sectionseparator
- \sectionseparator####2\sectionseparator\sectionseparator####3]{####3}}%
- \ifx\asciia\asciib
- \egroup
- \else
- \egroup
- % todo \@@utilityerrormessage
- \resetutilities
- \endinput
- \fi}
-
-\def\writeutility {\write\utility@tui}
-\def\writeutilitycommand#1{\write\utility@tui{c \string#1}}
-
-% less tokens
-%
-% \def\immediatewriteutility {\immediate\writeutility}
-% \def\immediatewriteutilitycommand{\immediate\writeutilitycommand}
-%
-% more flexible (for overloading)
-
-\def\immediatewriteutility {\immediate\write\utility@tui}
-\def\immediatewriteutilitycommand#1{\immediate\write\utility@tui{c \string#1}}
-
-% as in:
-
-\def\cwriteutility#1%
- {\write\utility@tui{\noexpand\checkedutility{\number\nofshipouts}{#1}}}
-
-\def\cwriteutilitycommand#1%
- {\write\utility@tui{\noexpand\checkedutility{\number\nofshipouts}{c \string#1}}}
-
-\let\checkedutility\secondoftwoarguments
-
-\def\docheckedutility#1#2{\ifnum#1=\nofshipouts#2\else\letterpercent\fi}
-
-\prependtoks
- \let\checkedutility\docheckedutility
-\to \everybeforeshipout
-
-% Better use marks.
-
-\newtoks \everyopenutilities
-\newtoks \everycloseutilities
-\newtoks \everycheckutilities
-
-\def\openutilities {\the\everyopenutilities } % \global\everyopenutilities\emptytoks
-\def\closeutilities{\the\everycloseutilities}
-\def\checkutilities{\the\everycheckutilities}
-
-\appendtoks
- \let\writeutility \cwriteutility
- \let\writeutilitycommand \cwriteutilitycommand
- %\let\immediatewriteutility \cimmediatewriteutility
- %\let\immediatewriteutilitycommand\cimmediatewriteutilitycommand
- \let\checkutilities \relax
-\to \everycheckutilities
-
-\appendtoks
- \immediate\openout\utility@tui\jobname.\f!inputextension
- \immediatewriteutilitycommand{\thisissectionseparator{\sectionseparator}}% for the moment
- \immediatewriteutilitycommand{\thisisutilityversion {\utilityversion }}% in this order
-\to \everyopenutilities
-
-\appendtoks
-% \immediate\closeout\utility@tui % niet echt nodig
- \reportutilityproblems
- % should be a message :
- \let\writeutilitycommand \gobbleoneargument
- \let\writeutility \gobbleoneargument
- \let\immediatewriteutilitycommand\gobbleoneargument
- \let\immediatewriteutility \gobbleoneargument
-\to \everycloseutilities
-
-% \def\reopenutilities
-% {\immediate\closeout\utility@tui
-% \openutilities}
-
-\def\abortutilitygeneration
- {\immediatewriteutilitycommand\utilitygenerationaborted
- \immediatewriteutility{q {quit}}}
-
-\def\utilitygenerationaborted
- {\showmessage\m!systems{21}\empty
- \globallet\utilitygenerationaborted\endinput
- \gdef\reportutilityproblems{\showmessage\m!systems{22}\empty}%
- \endinput}
-
-\let\savecurrentvalue \gobbletwoarguments % mkii/mkiv
-\let\initializevariable\gobbletwoarguments % mkii/mkiv
-
-\appendtoks
- \globallet\initializevariable\gobbletwoarguments
-\to \everyafterutilityread
-
-\let\reportutilityproblems\relax
-\let\utilityresetlist \empty
-
-\newtoks\utilityresetlist
-
-\def\addutilityreset#1%
- {\@EA\appendtoks\csname\s!reset#1\endcsname\to\utilityresetlist}
-
-\def\resetutilities
- {\the\utilityresetlist}
-
-% #1=type
-% #2=file
-% #3=melding
-
-% #4=voor
-% #5=na
-
-% Er wordt gegroepeerd. Als binnen een lijst (bijvoorbeeld) de
-% \leftskip is aangepast, maar nog geen \par is gegeven, dan
-% geldt buiten de groep de oude \leftskip. Aan #5 kan dan
-% ook \par worden meegegeven om de paragraaf af te sluiten.
-
-\newif\ifdoinpututilities
-\newif\ifunprotectutilities % voor't geval er \v!xxxxxx's zijn
-
-\def\currentutilityfilename{\jobname}
-
-% \long\def\doutilities#1#2#3#4#5% % introduceren in utility file
-% {\restorecatcodes
-% \resetutilities
-% % more than one utility thing can be handled in one pass,
-% % for instance lists, so we process ##1 as list
-% \def\douticommand##1{\csname\s!set##1\endcsname}%
-% \processcommacommand[#1]\douticommand
-% \begingroup
-% \def\currentutilityfilename{#2}%
-% \notesenabledfalse
-% \doinpututilitiestrue
-% \global\utilitydonefalse
-% \catcode`\\=\@@escape
-% \catcode`\{=\@@begingroup
-% \catcode`\}=\@@endgroup
-% \catcode`\%=\@@comment\relax
-% \pushendofline % geeft problemen zodra andere file wordt ingelezen
-% \ifunprotectutilities % nog nodig ?
-% \unprotect
-% \fi
-% \ifnum\catcode`\@=\@@active \else
-% \catcode`\@=\@@letter % permits expanded commands with \@'s
-% \fi
-% \ifnum\catcode`\!=\@@active \else
-% \catcode`\!=\@@letter % permits multilingual constants
-% \fi
-% #4%
-% \the\everybeforeutilityread
-% \readjobfile{#2.\f!outputextension}\donothing\donothing
-% \the\everyafterutilityread
-% #5%
-% \relax
-% \ifunprotectutilities
-% \protect
-% \fi
-% \popendofline
-% \ifutilitydone\else
-% \doifsomething{#3}
-% {\showmessage\m!systems9{{#3}}%
-% \doifconcepttracing
-% {\blank
-% \type{[\currentmessagetext]}%
-% \blank}}%
-% \fi
-% \endgroup}
-
-% we need to pop and push, else problems with reading
-% utility files (toc) in xml mode and (e.g.) in a toc
-% entry doing a doifmode
-%
-% the following is not ok because we have no way to signal
-% xml content (yet), so for the moment we use this:
-
-\appendtoks
- \ifprocessingXML
- \processingXMLfalse
- \enableXML
- \catcode`\\=\@@escape
- \catcode`\{=\@@begingroup
- \catcode`\}=\@@endgroup
- \catcode`\%=\@@comment\relax
- \fi
-\to \everybeforeutilityread
-
-\long\def\doutilities#1#2#3#4#5% % introduceren in utility file
- {\resetutilities
- % more than one utility thing can be handled in one pass,
- % for instance lists, so we process ##1 as list
- \def\douticommand##1{\csname\s!set##1\endcsname}%
- \processcommacommand[#1]\douticommand
- \begingroup
- \def\currentutilityfilename{#2}%
- \notesenabledfalse
- \doinpututilitiestrue
- \global\utilitydonefalse
- \pushendofline % geeft problemen zodra andere file wordt ingelezen
- \pushcatcodetable
- \setcatcodetable\ctxcatcodes
- \ifunprotectutilities % nog nodig ?
- \unprotect
- \fi
- #4%
- \the\everybeforeutilityread
- \readjobfile{#2.\f!outputextension}\donothing\donothing
- \the\everyafterutilityread
- \popcatcodetable
- #5%
- \relax
- \ifunprotectutilities
- \protect
- \fi
- \popendofline
- \ifutilitydone\else
- \doifsomething{#3}
- {\showmessage\m!systems9{{#3}}%
- \doifconcepttracing
- {\blank
- \setmessagetext\m!systems9{{#3}}%
- \type{[\currentmessagetext]}%
- \blank}}%
- \fi
- \endgroup}
-
-% Default-instellingen (verborgen)
-
-\prependtoks \resetutilities \to \everyjob
-
-% Experiment
-%
-% \installprogram{Hello World}
-% \installprogram[hw]{Hello World}
-% \installedprogram[hw]
-
-\def\installprogram
- {\dosingleempty\doinstallprogram}
-
-\def\doinstallprogram[#1]#2%
- {\doifelsenothing{#1}
- {\dodoinstallprogram{#2}}
- {\setvalue{\??up#1}{\dodoinstallprogram{#2}}}}
-
-% \def\doinstallprogram[#1][#2]% less code
-% {\doifsomething{#1}{\setvalue{\??up#1}}{\dodoinstallprogram{#2}}}
-
-\def\dodoinstallprogram#1%
- {\immediatewriteutility{e p {#1}}}
-
-\def\installedprogram[#1]%
- {\getvalue{\??up#1}}
-
-% \writeplugindata{texutil}{{alpha}}
-% \writeplugindata{texutil}{{beta}}
-% \writeplugindata{texutil}{{gamma}}
-% \writeplugindata{texutil}{{delta}}
-%
-% \loadplugindata {plugintest}
-
-\def\immediatewriteplugindata#1#2%
- {\immediatewriteutility{p u {#1} #2}}
-
-\def\writeplugindata#1#2%
- {\writeutility{p u {#1} #2}}
-
-\def\loadplugindata#1%
- {\doutilities{#1}\jobname\empty\relax\relax}
-
-% \plugincommand{\command{}{}{}}
-%
-% this way we can catch undefined commands
-
-\long\def\plugincommand#1%
- {\doplugincommand#1\relax}
-
-\long\def\doplugincommand#1%
- {\ifx#1\undefined
- \expandafter\noplugincommand
- \else
- \expandafter#1%
- \fi}
-
-% shorter:
-%
-% \long\def\doplugincommand#1%
-% {\ifx#1\undefined\expandafter\noplugincommand\fi#1}
-
-\long\def\noplugincommand#1\relax
- {}
-
-% \addutilityreset{plugintest}
-%
-% \def\resetplugintest{\let\plugintest\gobbletwoarguments}
-% \def\setplugintest {\let\plugintest\writestatus}
-%
-% \installplugin
-% {plugintest}
-% {\let\plugintest\gobbletwoarguments}
-% {\let\plugintest\writestatus}
-
-\long\def\installplugin#1#2#3%
- {\addutilityreset {#1}%
- \long\setvalue{\s!reset#1}{#2}%
- \long\setvalue{\s!set #1}{#3}}
-
-% plugins
-
-\loadmarkfile{core-uti}
-
-\protect \endinput