#
# fmt_latex2e.pl
#
# $Id: fmt_latex2e.pl,v 1.1.1.1 2017/08/22 12:33:54 misho Exp $
#
# LaTeX-specific driver stuff
#
# © Copyright 1996, Cees de Groot
#
# Support for PDF files: added by Juan Jose Amor, January 2000
# © Copyright 2000, Juan Jose Amor
#
package LinuxDocTools::fmt_latex2e;
use strict;
use LinuxDocTools::CharEnts;
use LinuxDocTools::Vars;
use LinuxDocTools::Lang;
use File::Copy;
my $latex2e = {};
$latex2e->{NAME} = "latex2e";
$latex2e->{HELP} = <<EOF;
Note that this output format requires LaTeX 2e.
EOF
$latex2e->{OPTIONS} = [
{ option => "output", type => "l",
'values' => [ "dvi", "tex", "ps", "pdf" ], short => "o" },
{ option => "bibtex", type => "f", short => "b" },
{ option => "makeindex", type => "f", short => "m" },
{ option => "pagenumber", type => "i", short => "n" },
{ option => "quick", type => "f", short => "q" },
{ option => "dvips", type => "l",
'values' => [ "dvips", "dvi2ps", "jdvi2kps" ], short => "s" },
{ option => "latex", type => "l",
'values' => [ "latex", "hlatexp", "platex", "jlatex" ], short => "x" }
];
$latex2e->{output} = "tex";
$latex2e->{pagenumber} = 1;
$latex2e->{quick} = 0;
$latex2e->{bibtex} = 0;
$latex2e->{makeindex} = 0;
$latex2e->{latex} = "unknown";
$latex2e->{dvips} = "unknown";
$Formats{$latex2e->{NAME}} = $latex2e;
$latex2e->{preNSGMLS} = sub {
$global->{NsgmlsOpts} .= " -ifmttex ";
# for Japanese jlatex users
if ($global->{language} eq "ja" && $latex2e->{latex} eq "unknown") {
$latex2e->{latex} = "jlatex";
$latex2e->{dvips} = "dvi2ps";
# for Japanese platex users
# $latex2e->{latex} = "platex";
# $latex2e->{dvips} = "dvips";
}
# for Korean users
if ($global->{language} eq "ko" && $latex2e->{latex} eq "unknown") {
$latex2e->{latex} = "hlatexp";
}
# default process command
$latex2e->{latex} = "latex" if ($latex2e->{latex} eq "unknown");
$latex2e->{dvips} = "dvips" if ($latex2e->{dvips} eq "unknown");
$global->{NsgmlsPrePipe} = "cat $global->{file} ";
};
# extra `\\' here for standard `nsgmls' output
my %latex2e_escapes;
$latex2e_escapes{'#'} = '\\\\#';
$latex2e_escapes{'$'} = '\\\\$';
$latex2e_escapes{'%'} = '\\\\%';
$latex2e_escapes{'&'} = '\\\\&';
$latex2e_escapes{'~'} = '\\\\~{}';
$latex2e_escapes{'_'} = '\\\\_';
$latex2e_escapes{'^'} = '\\\\^{}';
$latex2e_escapes{'\\'} = '\\verb+\\+';
$latex2e_escapes{'{'} = '\\\\{';
$latex2e_escapes{'}'} = '\\\\}';
$latex2e_escapes{'>'} = '{$>$}';
$latex2e_escapes{'<'} = '{$<$}'; # wouldn't happen, but that's what'd be
$latex2e_escapes{'|'} = '{$|$}';
my $in_verb;
my $remove_comment; # added 2000 Jan 25 by t.sano
# passed to `parse_data' below in latex2e_preASP
my $latex2e_escape = sub {
my ($data) = @_;
if (!$in_verb) {
# escape special characters
$data =~ s|([#\$%&~_^\\{}<>\|])|$latex2e_escapes{$1}|ge;
}
return ($data);
};
#
# Translate character entities and escape LaTeX special chars.
#
$latex2e->{preASP} = sub
{
my ($infile, $outfile) = @_;
# note the conversion of `sdata_dirs' list to an anonymous array to
# make a single argument
my $tex_char_maps = load_char_maps ('.2tex', [ Text::EntityMap::sdata_dirs() ]);
# ASCII char maps are used in the verbatim environment because TeX
# ignores all the escapes
my $ascii_char_maps = load_char_maps ('.2ab', [ Text::EntityMap::sdata_dirs() ]);
$ascii_char_maps = load_char_maps ('.2l1b', [ Text::EntityMap::sdata_dirs() ]) if $global->{charset} eq "latin";
my $char_maps = $tex_char_maps;
# used in `latex2e_escape' anonymous sub to switch between escaping
# characters from SGML source or not, depending on whether we're in
# a VERB or CODE environment or not
$in_verb = 0;
# switch to remove empty line from TeX source or not, depending
# on whether we're in a HEADING or ABSTRACT environment or not
$remove_comment = 0;
while (<$infile>)
{
if (/^-/)
{
my ($str) = $';
chop ($str);
$_ = parse_data ($str, $char_maps, $latex2e_escape);
if ($remove_comment)
{
s/(\s+\\n)+//;
}
print $outfile "-" . $_ . "\n";
}
elsif (/^A/)
{
/^A(\S+) (IMPLIED|CDATA|NOTATION|ENTITY|TOKEN)( (.*))?$/
|| die "bad attribute data: $_\n";
my ($name,$type,$value) = ($1,$2,$4);
if ($type eq "CDATA")
{
# CDATA attributes get translated also
if ($name eq "URL" or $name eq "ID" or $name eq "CA")
{
# URL for url.sty is a kind of verbatim...
# CA is used in "tabular" element.
# Thanks to Evgeny Stambulchik, he posted this fix
# on sgml-tools list. 2000 May 17, t.sano
my $old_verb = $in_verb;
$in_verb = 1;
$value = parse_data ($value, $ascii_char_maps,
$latex2e_escape);
$in_verb = $old_verb;
}
else
{
$value = parse_data ($value, $char_maps, $latex2e_escape);
}
}
print $outfile "A$name $type $value\n";
}
elsif (/^\((VERB|CODE)/)
{
print $outfile $_;
# going into VERB/CODE section
$in_verb = 1;
$char_maps = $ascii_char_maps;
}
elsif (/^\)(VERB|CODE)/)
{
print $outfile $_;
# leaving VERB/CODE section
$in_verb = 0;
$char_maps = $tex_char_maps;
}
elsif (/^\((HEADING|ABSTRACT)/)
{
print $outfile $_;
# empty lines (comment in sgml source) do harm
# in HEADING or ABSTRACT
$remove_comment = 1;
}
elsif (/^\)(HEADING|ABSTRACT)/)
{
print $outfile $_;
# leaving HEADING or ABSTRACT section
$remove_comment = 0;
}
else
{
print $outfile $_;
}
}
};
# return the string of the name of the macro for urldef
sub latex2e_defnam($)
{
my ($num) = @_;
if ($num > 26*26*26) {
die "Too many URLs!\n";
}
my $anum = ord("a");
my $defnam = chr ($anum + ($num / 26 / 26)) .
chr ($anum + ($num / 26 % 26)) .
chr ($anum + ($num % 26));
return ($defnam);
};
#
# Take the sgmlsasp output, and make something
# useful from it.
#
$latex2e->{postASP} = sub
{
my $infile = shift;
my $filename = $global->{filename};
my $tmplatexdir = $global->{tmpbase} . "-latex-" . $$ . ".dir";
my $tmplatexnam = $tmplatexdir . "/" . $filename;
my @epsfiles = ();
my @texlines = ();
my @urldefines = ();
my @urlnames = ();
my $urlnum = 0;
my $tmpepsf;
my $saved_umask = umask;
$ENV{TEXINPUTS} .= ":$main::DataDir";
umask 0077;
mkdir ($tmplatexdir, 0700) || return -1;
#
# check epsfile is specified in source file
# check nameurl specified in source file
#
{
my $epsf;
open SGMLFILE, "<$filename.sgml";
while (<SGMLFILE>)
{
# for epsfile
if ( s/^\s*<eps\s+file=(.*)>/$1/ )
{
s/\s+angle=.*//;
s/\s+height=.*//;
s/\"//g;
$epsf = $_;
chop ( $epsf );
push @epsfiles, $epsf;
}
if ($latex2e->{output} eq "pdf")
{
if ( s/^\s*<img\s+src=(.*)>/$1/ )
{
s/\"//g;
$epsf = $_;
chop ( $epsf );
push @epsfiles, $epsf;
}
}
}
close SGMLFILE;
}
{
my $urlid;
my $urlnam;
my $urldef;
while (<$infile>)
{
push @texlines, $_;
# for nameurl
if ( /\\nameurl/ )
{
($urlid, $urlnam) = ($_ =~ /\\nameurl\{(.*)\}\{(.*)\}/);
print $urlnum . ": " . $urlid . "\n" if ( $global->{debug} );
$urldef = latex2e_defnam($urlnum) . "url";
s/\\nameurl\{.*\}\{.*\}/{\\em $urlnam} {\\tt \\$urldef}/;
push @urlnames, $_;
push @urldefines, "\\urldef{\\$urldef} \\url{$urlid}\n";
$urlnum++;
}
}
close $infile;
}
open OUTFILE, ">$tmplatexnam.tex";
#
# Set the correct \documentclass options.
#
{
my $langlit = ISO2English ($global->{language});
$langlit = ($langlit eq 'english') ? "" : ",$langlit";
my $replace = $global->{papersize} . 'paper' . $langlit;
my $hlatexopt = "";
$global->{charset} = "nippon" if ($global->{language} eq "ja");
$global->{charset} = "euc-kr" if ($global->{language} eq "ko");
$replace = $global->{papersize} . 'paper' if ($global->{charset} eq "nippon") || ($global->{charset} eq "euc-kr");
while (defined($texlines[0]))
{
$_ = shift @texlines;
if (/^\\documentclass/)
{
if ($global->{language} ne "en" ||
$global->{papersize} ne "a4")
{
s/\\documentclass\[.*\]/\\documentclass\[$replace\]/;
}
if ($global->{charset} eq "nippon") {
if ($latex2e->{latex} eq "platex") {
s/{article}/{jarticle}/;
} elsif ($latex2e->{latex} eq "jlatex") {
s/{article}/{j-article}/;
}
}
$_ = $_ . "\\makeindex\n" if ($latex2e->{makeindex});
}
if (/^\\usepackage.epsfig/ && ($global->{charset} eq "euc-kr"))
{
$hlatexopt = "[noautojosa]" if ($latex2e->{latex} eq "hlatexp");
$_ = $_ . "\\usepackage" . "$hlatexopt" . "{hangul}\n"
}
if ((/\\usepackage.t1enc/) &&
(($global->{charset} eq "nippon") ||
($global->{charset} eq "euc-kr")))
{
s/^/%%/;
}
if (/%end-preamble/)
{
if ($latex2e->{pagenumber})
{
$_ = $_ . '\setcounter{page}{'.
$latex2e->{pagenumber} . "}\n";
}
else
{
$_ = $_ . "\\pagestyle{empty}\n";
}
$_ = $_ . $global->{pass} . "\n" if ($global->{pass});
}
if (/\\nameurl/ && $latex2e->{output} ne "pdf")
{
$_ = shift @urlnames;
}
print OUTFILE;
if (/%end-preamble/)
{
if ($urlnum && $latex2e->{output} ne "pdf")
{
while (defined($urldefines[0]))
{
$_ = shift @urldefines;
print OUTFILE;
}
}
}
}
}
close OUTFILE;
#
# LaTeX, dvips, and assorted cleanups.
#
if ($latex2e->{output} eq "tex")
{
# comment out, because this backup action is not documented yet.
#
# if ( -e "$filename.tex" ) {
# rename ("$filename.tex", "$filename.tex.back");
# }
umask $saved_umask;
copy ("$tmplatexnam.tex", "$filename.tex");
if ( ! $global->{debug} )
{
unlink ("$tmplatexnam.tex");
rmdir ($tmplatexdir) || return -1;
}
return 0;
}
#
# Run LaTeX in nonstop mode so it won't prompt & hang on errors.
# Suppress the output of LaTeX on all but the last pass, after
# references have been resolved. This avoids large numbers of
# spurious warnings.
#
my $current_dir;
chop ($current_dir = `pwd`);
print $current_dir . "\n" if ( $global->{debug} );
#
# copy epsfiles specified in tex file
#
for my $epsf ( @epsfiles )
{
$tmpepsf = $tmplatexdir . "/" . $epsf;
print $epsf . " " . $tmpepsf . "\n" if ( $global->{debug} );
copy ("$epsf", "$tmpepsf") or die "can not copy graphics\n";
}
#
# go to the temporary directory
chdir ($tmplatexdir);
my ($latexcommand) = "$latex2e->{latex} '\\nonstopmode\\input{$filename.tex}'";
#
# We run pdflatex instead of latex if user selected pdf output
#
if ($latex2e->{output} eq "pdf")
{
$latexcommand = "pdflatex '\\nonstopmode\\input{$filename.tex}'";
}
#
# run hlatex if hlatexp is used
# for pdf: how about status?(for hlatex and hlatexp)
#
if ($latex2e->{latex} eq "hlatexp")
{
#$latex2e->{output} = "ps" if ($latex2e->{output} eq "pdf");
$latexcommand = "hlatex '\\nonstopmode\\input{$filename.tex}'";
}
#
# We use jlatex for Japanese encoded (euc-jp) characters.
# pdf support for Japanese are not yet. use ps for the time being.
#
if ($global->{charset} eq "nippon")
{
$latex2e->{output} = "ps" if ($latex2e->{output} eq "pdf");
$latexcommand = "$latex2e->{latex} '\\nonstopmode\\input{$filename.tex}'"
}
my ($suppress) = $latex2e->{quick} ? "" : ' >/dev/null';
system $latexcommand . $suppress || die "LaTeX problem\n";
$latex2e->{bibtex} && system "bibtex $filename.tex";
$latex2e->{quick} || system $latexcommand . ' >/dev/null';
$latex2e->{quick} || system $latexcommand;
if ( ! $global->{debug} )
{
my @suffixes = qw(log blg aux toc lof lot dlog bbl out);
for my $suf (@suffixes)
{
unlink "$tmplatexnam.$suf";
}
}
#
# go back to the working directory
chdir ($current_dir);
#
# output dvi file
if ($latex2e->{output} eq "dvi")
{
# comment out, because this backup action is not documented yet.
#
# if ( -e "$filename.dvi" )
# {
# rename ("$filename.dvi", "$filename.dvi.back");
# }
umask $saved_umask;
copy ("$tmplatexnam.dvi", "$filename.dvi");
if ( $global->{debug} )
{
print "Temporary files are in $tmplatexdir\n";
print "Please check there and remove them manually.\n";
} else {
unlink ("$tmplatexnam.tex", "$tmplatexnam.dvi");
for my $epsf ( @epsfiles )
{
$tmpepsf = $tmplatexdir . "/" . $epsf;
print $tmpepsf . "\n" if ( $global->{debug} );
unlink ("$tmpepsf");
}
rmdir ($tmplatexdir) || return -1;
}
return 0;
}
#
# output pdf file
if ($latex2e->{output} eq "pdf")
{
# comment out, because this backup action is not documented yet.
#
# if ( -e "$filename.pdf" )
# {
# rename ("$filename.pdf", "$filename.pdf.back");
# }
umask $saved_umask;
copy ("$tmplatexnam.pdf", "$filename.pdf");
if ( $global->{debug} )
{
print "Temporary files are in $tmplatexdir\n";
print "Please check there and remove them manually.\n";
} else {
unlink ("$tmplatexnam.tex", "$tmplatexnam.pdf");
for my $epsf ( @epsfiles )
{
$tmpepsf = $tmplatexdir . "/" . $epsf;
print $tmpepsf . "\n" if ( $global->{debug} );
unlink ("$tmpepsf");
}
rmdir ($tmplatexdir) || return -1;
}
return 0;
}
#
# convert dvi into ps using dvips command
chdir ($tmplatexdir);
if ($latex2e->{dvips} eq "dvi2ps")
{
`dvi2ps -q -o $global->{papersize} -c $tmplatexnam.ps $filename.dvi`;
}
elsif ($latex2e->{dvips} eq "jdvi2kps")
{
`jdvi2kps -q -pa $global->{papersize} -o $tmplatexnam.ps $filename.dvi`;
}
else
{
`dvips -R -q -t $global->{papersize} -o $tmplatexnam.ps $filename.dvi`;
}
chdir ($current_dir);
# comment out, because this backup action is not documented yet.
#
# if ( -e "$filename.ps" )
# {
# rename ("$filename.ps", "$filename.ps.back");
# }
umask $saved_umask;
copy ("$tmplatexnam.ps", "$filename.ps");
unlink ("$tmplatexnam.ps");
if ( $global->{debug} )
{
print "Temporary files are in $tmplatexdir\n";
print "Please check there and remove them manually.\n";
} else {
unlink ("$tmplatexnam.tex", "$tmplatexnam.dvi", "$tmplatexnam.ps");
for my $epsf ( @epsfiles )
{
$tmpepsf = $tmplatexdir . "/" . $epsf;
print $tmpepsf . "\n" if ( $global->{debug} );
unlink ("$tmpepsf");
}
rmdir ($tmplatexdir) || return -1;
}
return 0;
};
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