157 lines
4.4 KiB
Perl
Executable file
157 lines
4.4 KiB
Perl
Executable file
#!/usr/bin/perl
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# -*- coding: iso-latin-1; -*-
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# Autoconverter from preview.dtx to preview-dtxdoc.texi
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# Author: Jan-Åke Larsson <jalar@mai.liu.se>
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# Maintainer: auctex-devel@gnu.org
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# Copyright (C) 2002, 2005, 2020, 2021 Free Software Foundation, Inc.
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# This file is part of AUCTeX.
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# AUCTeX is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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# AUCTeX is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with AUCTeX; see the file COPYING. If not, write to the Free
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# Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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# Commentary:
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# Simpleminded autoconverter from preview.dtx to preview-dtxdoc.texi
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# run as 'perl preview-dtxdoc.pl ../latex/preview.dtx preview-dtxdoc.texi'
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die "Usage: perl preview-dtxdoc.pl infile outfile" unless ($#ARGV == 1);
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open(STDIN, $ARGV[0]) || die "Can't open $ARGV[0] for reading";
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open(STDOUT, "> $ARGV[1]") || die "Can't open $ARGV[1] for writing";
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# Eat header
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MUNGE: while (<STDIN>) {
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last MUNGE if /^% *.section/;
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}
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# Fish out possible CR characters.
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/(\r*)$/;
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$cr = $1;
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# Noindent is used sometimes after \end{quote} (see below)
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$noindent="";
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# Quote environments is translated into @example _without_
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# @code{..} inside (see below)
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$quote="";
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MAIN: while (<STDIN>) {
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s/^%//;
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s/\\%/%/g;
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# Comment
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s/\^\^A.*\n//;
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# Text-substitution macros
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s/\@/\@\@/g;
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s/\\#/#/g;
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s/AUC~?\\TeX[\\ ]?/\@AUCTeX{}/g;
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s/\\LaTeX[\\ ]?/\@LaTeX{}/g;
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s/\\TeX[\\ ]?/\@TeX{}/g;
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s/\\previewlatex[\\ ]?/\@previewlatex{}/g;
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s/EPS/\@acronym{EPS}/g;
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s/DVI/\@acronym{DVI}/g;
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s/~/\@w{ }/g;
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s/^ *//;
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# Environments
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if (s/\\begin\{quote\}/$cr\n\@example/) {
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$quote="yes" }
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if (/^\w/) {
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print $noindent }
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$noindent = "";
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if (s/\\end\{quote\}/\@end example$cr\n/) {
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$quote="";
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$noindent="\@noindent$cr\n" }
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s/\\begin\{description\}/$cr\n\@table \@w/;
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# Convoluted pattern: handle
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# \item[|...|], \item[\meta{..}] and \item[{|[]|}]
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s/\\item\[\{?(.+?[\|\}])\}?\] ?/\@item $1$cr\n/;
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s/\\end\{description\}/\@end table$cr\n/;
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s/\\begin\{enumerate\}/$cr\n\@enumerate/;
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s/\\item /\@item /;
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s/\\end\{enumerate\}/\@end enumerate$cr\n/;
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# Formatting (\cmd is special within {quote})
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s/\\texttt/\@option/g;
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s/\\marg\{([^}]+)\}/\@{\@var{$1}\@}/g;
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s/\\meta/\@var/g;
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s/\\emph/\@emph/g;
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s/\\cmd(\\[\(\)\w]+)/|$1|/g;
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s/\\cmd\{(.*?)\}/|$1|/g;
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s/\\oarg\{([^}]+?)\}/\[\@var{$1}\]/g;
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s/\\char.//g;
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s/\\raggedright$cr\n//g;
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s/\\DescribeEnv\{(.*?)\} /\@item \\begin\@{$1\@}\@dots{}\\end\@{$1\@}$cr\n/;
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if (s/\\DescribeMacro\{(.*?)\}( |$cr\n)/\@item $1$cr\n/) {
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# Index entries for two important macros
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if (/(\\Preview(Macro|Environment))( |$cr\n)/) {
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$_ .= "\@findex $1$cr\n";
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}
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}
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# ||||||| Hell... I hate bars
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# Braces WITHIN bars should be escaped like so: @{ @}
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# and |..| translates to @code{..} or @file{..} depending on content
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# and to .. if in {quote}
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@chunks = split /\|/;
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$odd=0;
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COMMAND: foreach (@chunks) {
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if ($odd==0) {
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$odd=1;
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} else {
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s/\{/\@\{/g;
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s/\}/\@\}/g;
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if (! $quote) {
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if (/[.\/]/) {
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$_="\@file\{".$_."\}";
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} else {
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$_="\@code\{".$_."\}";
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}
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}
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$odd=0;
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}
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}
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$_=join("",@chunks);
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# Argh! mixed types occurs in @code{...}@var{..}@file{..}
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# Should be @file{...@var{..}..}
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s/\@code(\S*?)\}(\S*)\@file\{/\@file$1$2/g;
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# Texinfo @node-ification
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if (s/\\section\{(.*)\}/\@subsection $1/) {
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if (s/[Oo]ptions/options/) {
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$_="\@menu$cr\n" .
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"* Package options::$cr\n" .
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"* Provided commands::$cr\n" .
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"\@end menu$cr\n$cr\n" .
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"\@node Package options, Provided commands, The LaTeX style file, The LaTeX style file$cr\n" . $_;
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} elsif (s/[Cc]ommands/commands/) {
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# \Describe... needs @table
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$_= "\@node Provided commands, ,Package options, The LaTeX style file$cr\n" .
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$_ . "$cr\n\@table \@code$cr\n";
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}
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}
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# Stop here
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# \Describe.... needs @end table
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if (/^.StopEventually/) {
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print "\@end table$cr\n";
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last MAIN;
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}
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print $_;
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}
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