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#
# fmt_info.pl
#
# ------------------------------------------------------------------
# GNU Info-specific driver stuff
#
# Copyright (C) 1994-1996, Matt Welsh
# Copyright (C) 1996, Cees de Groot
# Copyright (C) 1999-2000, Taketoshi Sano
# Copyright (C) 2008-2020 Agustin Martin
# ------------------------------------------------------------------
package LinuxDocTools::fmt_info;
use strict;
use LinuxDocTools::Vars;
use File::Copy;
use Text::EntityMap;
use LinuxDocTools::CharEnts;
use LinuxDocTools::Lang;
use LinuxDocTools::Vars;
use LinuxDocTools::InfoUtils qw{info_process_texi};
my $info = {};
$info->{NAME} = "info";
$info->{HELP} = "";
$Formats{$info->{NAME}} = $info;
$info->{OPTIONS} = [
];
# ------------------------------------------------------------------
$info->{preNSGMLS} = sub {
# ------------------------------------------------------------------
$global->{NsgmlsOpts} .= " -ifmtinfo ";
$global->{NsgmlsPrePipe} = "cat $global->{file}";
};
# ------------------------------------------------------------------
my $info_escape = sub {
# ------------------------------------------------------------------
# Ascii escape sub. this is called-back by `parse_data' below in
# `info_preASP' to properly escape `\' characters coming from the SGML
# source.
# ------------------------------------------------------------------
my ($data) = @_;
# $data =~ s|"| \"|g; # Insert zero-width space in front of "
# $data =~ s|^\.| .|; # ditto in front of . at start of line
# $data =~ s|\\|\\\\|g; # Escape backslashes
return ($data);
};
# ------------------------------------------------------------------
$info->{preASP} = sub {
# ------------------------------------------------------------------
my ($INFILE, $OUTFILE) = @_;
my $suffix = ( $global->{charset} eq "latin1" ) ? '.2l1texi' : '.2texi';
my $char_maps = load_char_maps ($suffix, [ Text::EntityMap::sdata_dirs() ]);
my $inpreamble = 1;
my $inheading;
# Replace some symbols in the file before sgmlsasp is called. This
# has been done in preNSGMLS, but if the specified sgml file is
# divided into multiple pieces, the preNSGMLS is not enough.
while ( <$INFILE> ) {
s/\@/\@\@/g;
s/\{/\@\{/g;
s/\}/\@\}/g;
# s/-\((.*)\)/-\'\($1\)\'/;
s/-\((.*)\)/-\[$1\]/;
s/\\\|urlnam\\\|/ /g;
s/\\\|refnam\\\|/ /g;
if ( s/^-// ) {
chomp;
s/([^\\])\\n/$1 /g if $inheading; # Remove spurious \n in headings
s/(\\n|^)\\011/$1/g if $inpreamble; # Remove leading tabs in abstract.
print $OUTFILE "-" .
parse_data ($_, $char_maps, $info_escape) . "\n";
} elsif (/^A/) {
/^A(\S+) (IMPLIED|CDATA|NOTATION|ENTITY|TOKEN)( (.*))?$/
|| die "bad attribute data: $_\n";
my ($name,$type,$value) = ($1,$2,$4);
if ($type eq "CDATA") {
# CDATA attributes get translated also
$value = parse_data ($value, $char_maps, $info_escape);
}
print $OUTFILE "A$name $type $value\n";
} else {
if (/^\(HEADING/){
$inheading = 1;
$inpreamble = ''; # No longer in preamble if found a HEADING
} elsif (/^\)HEADING/){
$inheading = '';
}
# Default action if not skipped over by previous conditions: copy in to out.
print $OUTFILE $_;
}
}
return 0;
};
# ------------------------------------------------------------------
$info->{postASP} = sub {
# ------------------------------------------------------------------
# Take the sgmlsasp output, and make something useful from it.
# ------------------------------------------------------------------
my $INFILE = shift; # File handle reference to input file
my $rawtexi = "$global->{tmpbase}.2.texi"; # Encoding replaced if appropriate
my $texifile = "$global->{tmpbase}.3.texi"; # File ready for makeinfo
my $infofile0 = "$global->{tmpbase}.4.info"; # makeinfo output
my $infofile = "$global->{filename}.info"; # Final info file.
my $msgheader = "fmt_info::postASP";
my $fileinfo = "info file generated from $global->{file} by means of linuxdoc-tools";
my @tmp_texi = <$INFILE>;
# Explicitly set encoding if required. texinfo default is now utf-8
# texinfo seems not to support other linuxdoc supported encodings
my $info_charset_mapping = { # map linuxdoc charset names to texinfo names
'latin' => "ISO-8859-1",
'uft-8' => "UTF-8"
};
for (@tmp_texi) {
if ( defined $info_charset_mapping->{$global->{charset}} ){
s/\@comment \@encoding\@/\@documentencoding $info_charset_mapping->{$global->{charset}}/;
}
}
open (my $OUTFILE, "> $rawtexi")
or die "fmt_info::postASP: Could not open \"$rawtexi\" for writing. Aborting ...\n";
print $OUTFILE @tmp_texi;
close $OUTFILE;
# Preprocess the raw texinfo file
info_process_texi($rawtexi,$texifile,$infofile);
system ("makeinfo $texifile -o $infofile") == 0
or die "$msgheader: Failed to run makeinfo. Aborting ...\n";
move $infofile, $infofile0;
my $infotext;
open ( my $TMPINFO, "< $infofile0")
or die "Could not open $infofile0 for read. Aborting ... \n";
{
local $/ = undef;
$infotext = <$TMPINFO>;
}
close $TMPINFO;
# Change origin filename given by makeinfo to something useful
$infotext =~ s/\Q$texifile\E/$fileinfo/;
# Remove not needed line in resulting info file. Only first match.
$infotext =~ s/\\input texinfo//;
open (my $OUTFILE, "> $infofile")
or die "Could not open $infofile for write. Aborting ... \n";
print $OUTFILE $infotext;
close $OUTFILE;
return 0;
};
1;
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