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%D \module
%D [ file=core-sys, % moved from main-001
%D version=1997.03.31,
%D title=\CONTEXT\ Core Macros,
%D subtitle=System,
%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 (System)}
\unprotect
%D Version checking:
\def\newcontextversion#1%
{\doifelse{#1}\contextversion
{\let\newcontextversion\gobbleoneargument}
{\writeline
\writestatus{Fatal Error}{Your format does not match the base files!}%
\writeline
\writestatus{Format Version}{\contextversion}%
\writestatus{Files Version}{#1}%
\batchmode
\normalend}}
%D Job names.
\def\outputfilename {\@@svfile}
\def\inputfilename {\@@svinputfile}
\def\operatingsystem{\@@svtype}
\let\jobfilesuffix\c!tex
\def\splitjobfilename
{\resetsystemmode{suffix-\jobfilesuffix}%
\edef\ascii{\inputfilename}\convertcommand\ascii\to\ascii
\splitstring\ascii\at.\to\jobfilename\and\jobfilesuffix
\lowercasestring\jobfilesuffix\to\jobfilesuffix
\doifnothing\jobfilename {\let\jobfilename \jobname}%
% todo and totest: \convertcommand\jobfilename\to\jobfilename
\doifnothing\jobfilesuffix{\let\jobfilesuffix\c!tex}%
\setsystemmode{suffix-\jobfilesuffix}}
\appendtoks \splitjobfilename \to \everyjob
% Some mechanisms (see x-res-01) use either \jobfilename or
% \jobfilename.somesuffix, in which case we need to use the
% full name if given or a default (like \jobfilename.xml);
% this comes down to replacing the default tex suffix.
\def\jobfullname{\jobfilename.\jobfilesuffix}
\def\setjobfullname#1% #1 = default if not given
{\doifelsenothing\jobfilename
{\let\jobfullname\empty}
{\doif\jobfilesuffix\c!tex{\edef\jobfullname{\jobfilename.#1}}}}
% ...
\def\dosetupsystem[#1]%
{\getparameters[\??sv][#1]%
\setuprandomize[\@@svrandom]%
\beforesplitstring\@@svresolution\at dpi\to\@@svresolution
\let\outputresolution\@@svresolution
\ifcase\@@svn
% % 0 : unknown
\or
\setsystemmode\v!first % 1 : first run
\or
% % 2 : successive run
\or
\setsystemmode\v!first % 3 : first and only run
\or
\setsystemmode\v!last % 4 : (extra) last run
\fi
\processaction
[\@@svtype]
%[ mswin=>\edef\@@svline{\rawcharacter{13}\rawcharacter{10}}, % crlf
[ mswin=>\edef\@@svline{\rawcharacter{13}}, % cr % crlf
darwin=>\edef\@@svline{\rawcharacter{13}}, % cr
\s!unknown=>\edef\@@svline{\rawcharacter{10}}]% % lf
\splitjobfilename}
\edef\@@svline{\rawcharacter{10}} % unix is the most critical/sensitive system
\def\systemendofline{\@@svline}
\def\setupsystem
{\dosingleargument\dosetupsystem}
\def\systemparameter#1{\executeifdefined{\??sv#1}\empty}
%D The system modes set by the setup command can be used in
%D situations like:
%D
%D \starttyping
%D \startmode[*first]
%D \executesystemcommand{cleanupxml text.xml clean-text.xml}
%D \stopmode
%D
%D \starttext
%D \typefile{clean-text.xml}
%D \stoptext
%D \stoptyping
% \def\setuprandomize[#1]%
% {\doifsomething{#1}
% {\bgroup
% \setrandomseed\minusone % signals thrd-ran to reseed
% % tex's time is in minutes
% \processaction
% [#1]
% [ \v!small=>\divide\normaltime 15, % 900,
% \v!medium=>\divide\normaltime 30, % 1800,
% \v!big=>\divide\normaltime 60, % 3600,
% \v!normal=>,
% \s!default=>,
% \s!unknown=>\normaltime=#1]%
% \nextrandom
% \egroup}}
\def\setuprandomize[#1]%
{\doifsomething{#1}
{\bgroup
% tex's time is in minutes
\scratchcounter\normaltime
\processaction
[#1]
[ \v!small=>\divide\scratchcounter 15, % 900,
\v!medium=>\divide\scratchcounter 30, % 1800,
\v!big=>\divide\scratchcounter 60, % 3600,
\v!normal=>\getnewrandomseed\scratchcounter,
\s!default=>\getnewrandomseed\scratchcounter,
\s!unknown=>\scratchcounter#1]%
\expanded{\setrandomseed{\the\scratchcounter}}%
\egroup}}
\setupsystem
[\c!directory=,
\c!n=0, % 0:unknown 1: one run 2: first 3: successive 4: final run
\c!resolution=600dpi,
\c!random=,
\c!file=\jobname,
\c!inputfile=\outputfilename,
\c!type=unix, % windows is normally less sensitive to handle
\c!bodyfont=\normalizedlocalbodyfontsize] % of iets anders
%D Remark: windows programs normally handle \type {cr|lf|crlf} but unix
%D is more picky, so we default to the \type {cr}. I never understood why
%D \type {crlf} was not used in all systems, since it makes most sense.
%D
\def\dostartglobaldefs#1#2%
{\edef\!!stringa{\the\globaldefs}%
\ifnum\globaldefs#10
\globaldefs-\globaldefs
\fi
\advance\globaldefs #21
\setevalue{@gd@\the\globaldefs}{\!!stringa}}
\def\dostopglobaldefs
{\doifdefinedelse{@gd@\the\globaldefs}
{\globaldefs\getvalue{@gd@\the\globaldefs}\relax}
{\globaldefs\zerocount}}
\def\startlocal {\dostartglobaldefs>-}
\def\stoplocal {\dostopglobaldefs}
\def\startglobal {\dostartglobaldefs<+}
\def\stopglobal {\dostopglobaldefs}
\def\complexstart[#1]{\bgroup\getvalue{\e!start#1}}
\def\complexstop [#1]{\getvalue{\e!stop #1}\egroup}
\let\simplestart\bgroup
\let\simplestop \egroup
\definecomplexorsimple\start
\definecomplexorsimple\stop
\def\dododefinestartstop[#1][#2]% todo: use indirect commands
{\getparameters
[\??be#1]
[\c!before=,
\c!after=,
\c!inbetween=,
\c!commands=,
\c!style=,
#2]%
\unexpanded\setvalue{#1}%
{\groupedcommand
{\getvalue{\??be#1\c!commands}%
\dostartattributes{\??be#1}\c!style\c!color}
{\dostopattributes
\getvalue{\??be#1\c!inbetween}}}%
\setvalue{\e!start#1}%
{\getvalue{\??be#1\c!before}%
\bgroup
\getvalue{\??be#1\c!commands}%
\dostartattributes{\??be#1}\c!style\c!color\empty}%
\setvalue{\e!stop#1}%
{\dostopattributes
\egroup
\getvalue{\??be#1\c!after}}}
\def\dodefinestartstop[#1][#2]%
{\def\docommando##1{\dododefinestartstop[##1][#2]}%
\processcommalist[#1]\docommando}
\def\definestartstop
{\dodoubleargument\dodefinestartstop}
\def\dosetupstartstop[#1][#2]%
{\def\docommando##1{\getparameters[\??be##1][#2]}%
\processcommalist[#1]\docommando}
\def\setupstartstop
{\dodoubleargument\dosetupstartstop}
% \docommando kan niet worden gebruikt omdat deze macro
% soms lokaal wordt gebruikt
% te zijner tijd:
%
% \definevariable {pc} % ProtectedCommand
%
% \def\executeprotected#1%
% {\csname\??pc\string#1\endcsname}
%
% \def\defineprotected#1#2%
% {\expandafter\def\csname\??pc\string#2\endcsname}
%
% \def\defineunprotected#1%
% {\def#1}
%
% \def\doprotected%
% {\ifx\next\define
% \let\next=\defineprotected
% \else
% \let\next=\executeprotected
% \fi
% \next}
%
% \def\unexpanded%
% {\futurelet\next\doprotected}
%
% \unexpanded\define\ziezo{ziezo}
%
% \unexpanded\ziezo
\def\complexdefine[#1]#2#3%
{\ifx#2\undefined
\else
\showmessage\m!systems4{\string#2}%
\fi
\ifcase0#1\def#2{#3}%
\or\def#2##1{#3}%
\or\def#2##1##2{#3}%
\or\def#2##1##2##3{#3}%
\or\def#2##1##2##3##4{#3}%
\or\def#2##1##2##3##4##5{#3}%
\or\def#2##1##2##3##4##5##6{#3}%
\or\def#2##1##2##3##4##5##6##7{#3}%
\or\def#2##1##2##3##4##5##6##7##8{#3}%
\or\def#2##1##2##3##4##5##6##7##8##9{#3}%
\else\def#2{#3}%
\fi}
\definecomplexorsimpleempty\define
\unexpanded\def\macroname#1% brrr
{\executeifdefined{#1}\empty}
\def\usecommands#1%
{\bgroup
\def\docommando##1{\setbox0\hbox{\getvalue{\string##1}##1}}%
\processcommalist[#1]\docommando
\egroup}
\newif\ifforcefileexpansion % handy for document level overload
%D The next implementation is about 4 times as faster than a
%D processaction alternative on an string of average length.
%D Since this feature is used in XML processing, it made sense
%D to support this faster alternative. It's installable as well.
\def\installexpander#1#2{\setvalue{\s!do\c!expansion#1}{#2}}
% \long\def\convertexpanded#1#2#3% hm, first we need to make sure
% {\csname % that we assign all exp a value
% \s!do\c!expansion
% \ifforcefileexpansion
% \v!yes
% \else\@EA\ifx\csname\s!do\c!expansion\csname#1\c!expansion\endcsname\endcsname\relax
% \s!default
% \else
% \csname#1\c!expansion\endcsname
% \fi\fi
% \endcsname#2\to#3}
\long\def\convertexpanded#1#2#3% hm, first we need to make sure
{\csname % that we assign all exp a value
\s!do\c!expansion
\ifforcefileexpansion
\v!yes
\else\@EA\ifx\csname\s!do\c!expansion#1\endcsname\relax
\s!default
\else
#1%
\fi\fi
\endcsname#2\to#3}
\installexpander\v!command{\convertcommand }
\installexpander\s!default{\convertargument}
\installexpander\empty {\convertargument}
\installexpander\v!no {\convertargument}
\installexpander\v!yes {\convertmeaning }
\installexpander\v!yes {\convertmeaning } % something lost ?
\installexpander\v!strict {\reduceargument }
\installexpander {utf} {\reducetoutf}
%installexpander {xml} {see xtag-ext}
\def\convertmeaning#1\to % watch the double expansion !
{\bgroup
\honorunexpanded
\convertencodedtokens % can be overloaded
\xdef\@@globalexpanded{#1}%
\xdef\@@globalexpanded{\@@globalexpanded}%
\egroup
\convertcommand\@@globalexpanded\to}
\def\reduceargument#1\to#2%
{\begingroup
\reducetocoding[raw]%
\edef\ascii{#1}%
\expandafter\endgroup\expandafter\edef\expandafter#2\expandafter{\ascii}}
% \setupindex[expansion=utf]\index{\eacute}
\def\reducetoutf#1\to#2%
{\begingroup
\reducetocoding[uc]%
\let\uchar\uchartoutf
\let\unicodechar\numbertoutf
\edef\ascii{#1}%
\expandafter\endgroup\expandafter\edef\expandafter#2\expandafter{\ascii}}
% \setvalue{statevalue\v!stop }{0}
% \setvalue{statevalue\v!start }{1}
% \setvalue{statevalue\v!normaal}{2}
% \setvalue{statevalue\v!leeg }{3}
% \setvalue{statevalue\v!geen }{4}
%
% \def\setcurrentstate#1%
% {\chardef\currentstate=0\getvalue{statevalue\getvalue{#1\c!state}\relax}
%
% \ifcase\currentstate ...
\def\redo{\dorepeat} % [n*10], kind of obsolete
% obsolete, use \dorecurse instead
%
% \def\herhaler {\repeater}
% \def\herhaalmetcommando {\dorepeatwithcommand}
\protect \endinput
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