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% ======================================================================
% splitindex.tex
% Copyright (c) Markus Kohm, 2002
%
% $Id: splitindex.tex,v 1.2 2002/11/03 16:17:41 mjk Exp $
%
% This file is part of the SplitIndex package
%
% This file can be redistributed and/or modified under the conditions
% of the LaTeX Project Public License, either version 1.2 of this
% license or (at your option) any later version.
% The latest version of this license is in
% http://www.latex-project.org/lppl.txt
% and version 1.2 or later is part of all distributions of LaTeX
% version 1999/12/01 or later.
%
% You are not allowed to redistribute this file without all the
% other files of the SplitIndex package
% ======================================================================
% Set newlinechar
\newlinechar`\^^J
% Tell program information
\message{splitindex.tex 0.1^^J%
Copyright (c) 2002 Markus Kohm <kohm@gmx.de>^^J^^J}
% Change \catcode of At to be a letter
\catcode`\@11\relax
% New end processing command (one of these should do the job)
\def\endprocessing{%
\csname @@end\endcsname
\csname end\endcsname
\csname endinput\endcsname
}
% Check out, if we are using LaTeX or plainTeX:
\let\@earlyend\relax
\def\@tempa{LaTeX2e}
\expandafter\ifx\csname fmtname\endcsname\@tempa
\else
\def\@tempa{plain}
\expandafter\ifx\csname fmtname\endcsname\@tempa
\def\newwrite{\alloc@7\write\chardef\sixt@@n}% not longer \outer
\chardef\@inputcheck=0\relax
\else
\message{Unkown format \csname fmtname\endcsname^^J
You have to use plainTeX or LaTeX2e to run
splitindex.tex!^^J}
\let\@earlyend\endprocessing
\fi
\fi
\@earlyend
% Is \idx defined to the name of the raw index file?
\expandafter\ifx\csname idx\endcsname\relax
% no it isn't
\message{Enter the name of the idx file to be processed: }%
\advance\endlinechar\@M
\read\m@ne to\idx
\advance\endlinechar-\@M
\fi
% Sorry to late for log file
\def\setjobname#1.idx#2\\{\def\jobname{#1}}
\expandafter\setjobname\idx.idx\\
\let\@earlyend\relax
\openin\@inputcheck\idx %
\ifeof\@inputcheck
\ifx\jobname\idx
\openin\@inputcheck\jobname.idx %
\ifeof\@inputcheck
\message{Error: Neither file `\idx' nor file `\jobname.idx' found!^^J}%
\let\@earlyend\endprocessing
\else
\xdef\idx{\jobname.idx}%
\fi
\else
\message{Error: File `\idx' not found!^^J}%
\let\@earlyend\endprocessing
\fi
\fi
\@earlyend
\message{Read from file: \idx^^J%
Write to files: \jobname-*.idx^^J}
% We are ready to do the processing
% First we have to do the tricky splitting of the input line.
% We do not allow lines which don't start with \indexentry.
% We do not support other index file definitions but with an
% optional argument of \indexentry.
% We need some catcode changes to read and split the line. So
% we do this part of the processing at a group.
\newtoks\verbatim@line
\begingroup
\catcode`\^^M\active
\begingroup
\catcode`\|=0
\catcode`\\=12
|gdef|splitidxline\indexentry#1{%
|if #1[%
|expandafter|@splitidxline%
|else%
|expandafter |@splitidxline |expandafter i|expandafter d%
|expandafter x|expandafter ]|expandafter#1%
|fi%
}
|endgroup
\gdef\@splitidxline#1]#2^^M{%
\idxwrite{#1}{\string\indexentry#2}%
}
\gdef\processidxline{%\message{\the\verbatim@line}%
\expandafter\splitidxline\verbatim@line^^M
}
\endgroup
% Now, we can do the main job: writing to the index files
\def\idxwrite#1#2{%
\expandafter\ifx\csname write@#1\endcsname\relax
% We need a new file
\message{New index file: \jobname-#1.idx^^J}%
\expandafter\newwrite\csname write@#1\endcsname
\immediate\openout\csname write@#1\endcsname \jobname-#1.idx %
% FixMe: Don't close by end TeX run but use \closeout
\fi
\immediate\write\csname write@#1\endcsname{#2}%
}
% Read the file verbatim and process the lines
\newif\ifnoteof
\newtoks\par@tok\par@tok{\par}
\def\@makeother#1{\catcode`#112\relax}
\def\processidxfile{
\immediate\openin\@inputcheck \idx %
\noteoftrue
\loop
\ifeof\@inputcheck \noteoffalse\fi
\ifnoteof
\begingroup
\let\do\@makeother\dospecials
\immediate\read\@inputcheck to \verbatim@line
\if\par@tok\verbatim@line\else
\processidxline
\fi
\endgroup
\repeat
}
\processidxfile
% Trick to end processing in TeX and LaTeX
\endprocessing
%%% Local Variables:
%%% mode: tex
%%% TeX-master: t
%%% End:
|
