/usr/share/namazu/filter/man.pl is in namazu2-index-tools 2.0.21-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | #
# -*- Perl -*-
# $Id: man.pl,v 1.26.8.9 2008-05-09 07:46:45 opengl2772 Exp $
# Copyright (C) 1997-2000 Satoru Takabayashi ,
# 1999 NOKUBI Takatsugu ,
# 2000-2008 Namazu Project All rights reserved.
# This is free software with ABSOLUTELY NO WARRANTY.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either versions 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA
#
# This file must be encoded in EUC-JP encoding
#
package man;
use strict;
require 'util.pl';
require 'gfilter.pl';
my $roffpath = undef;
my @roffopts = undef;
my %env = ();
sub mediatype() {
return ('text/x-roff');
}
sub status() {
$roffpath = util::checkcmd('jgroff');
$roffpath = util::checkcmd('groff') unless (defined $roffpath);
$roffpath = util::checkcmd('nroff') unless (defined $roffpath);
unless (defined $roffpath) {
return 'no';
}
%env = (
"LC_ALL" => $util::LANG,
"LANGUAGE" => $util::LANG,
);
if (util::islang("ja") && $roffpath =~ /\bj?groff$/) {
# Check wheter -Tnippon is valid.
my @cmd = ($roffpath, "-Tnippon", util::devnull());
my $status = util::syscmd(
command => \@cmd,
option => {
"stdout" => "/dev/null",
"stderr" => "/dev/null",
},
env => \%env,
);
if ($status == 0) {
@roffopts = ('-man', '-Wall', '-Tnippon');
} else {
@roffopts = ('-man', '-Wall', '-Tascii');
}
} elsif ($roffpath =~ /\bj?groff$/) {
@roffopts = ('-man', '-Tascii');
} elsif ($roffpath =~ /nroff$/) {
@roffopts = ('-man');
} else {
return 'no';
}
return 'yes';
}
sub recursive() {
return 0;
}
sub pre_codeconv() {
return 0;
}
sub post_codeconv () {
return 0;
}
sub add_magic ($) {
return;
}
sub filter ($$$$$) {
my ($orig_cfile, $cont, $weighted_str, $headings, $fields)
= @_;
my $cfile = defined $orig_cfile ? $$orig_cfile : '';
util::vprint("Processing man file ... (using '$roffpath @roffopts')\n");
my $tmpfile = util::tmpnam('NMZ.man');
{
my $fh = util::efopen("> $tmpfile");
# Make groff output one paragraph per one line.
# Thanks to Tatsuo SEKINE <tsekine@isoternet.org> for his suggestion.
print $fh ".ll 100i\n";
print $fh $$cont;
util::fclose($fh);
}
{
my @cmd = ($roffpath, @roffopts, $tmpfile);
my $fh_out = IO::File->new_tmpfile();
my $status = util::syscmd(
command => \@cmd,
option => {
"stdout" => $fh_out,
"stderr" => "/dev/null",
},
env => \%env,
);
my $size = util::filesize($fh_out);
if ($size == 0) {
util::fclose($fh_out);
unlink $tmpfile;
return "Unable to convert file ($roffpath error occurred)";
}
if ($size > $conf::FILE_SIZE_MAX) {
util::fclose($fh_out);
unlink $tmpfile;
return 'Too large man file';
}
$$cont = util::readfile($fh_out);
util::fclose($fh_out);
}
unlink $tmpfile;
# codeconv::toeuc($cont);
codeconv::codeconv_document($cont);
man_filter($cont, $weighted_str, $fields);
gfilter::line_adjust_filter($cont);
gfilter::line_adjust_filter($weighted_str);
gfilter::white_space_adjust_filter($cont);
$fields->{'title'} = gfilter::filename_to_title($cfile, $weighted_str)
unless $fields->{'title'};
gfilter::show_filter_debug_info($cont, $weighted_str,
$fields, $headings);
return undef;
}
# This is not perfect but works not bad.
sub man_filter ($$$) {
my ($contref, $weighted_str, $fields) = @_;
my $name = "";
# remove escape sequence
$$contref =~ s/\x1b\[[01]m//gs;
# processing like col -b (2byte character acceptable)
$$contref =~ s/_\x08//g;
$$contref =~ s/\x08{1,2}([\x20-\x7e]|[\xa1-\xfe]{2})//g;
$$contref =~ s/^\s+//gs;
$$contref =~ /^(.*?)\s*\S*$/m;
my $title = "$1";
$fields->{'title'} = $title;
my $weight = $conf::Weight{'html'}->{'title'};
$$weighted_str .= "\x7f$weight\x7f$title\x7f/$weight\x7f\n";
if ($$contref =~ /^(?:NAME|̾Á°|̾¾Î)\s*\n(.*?)\n\n/ms) {
$name = "$1::\n";
$weight = $conf::Weight{'html'}->{'h1'};
$$weighted_str .= "\x7f$weight\x7f$1\x7f/$weight\x7f\n";
}
if ($$contref =~
s/\A(.+^(?:DESCRIPTION ²òÀâ|DESCRIPTIONS?|SHELL GRAMMAR|INTRODUCTION|¡Ú³µÍסÛ|²òÀâ|ÀâÌÀ|µ¡Ç½ÀâÌÀ|´ðËܵ¡Ç½ÀâÌÀ)\s*\n)//ims)
{
$$contref = $name . $$contref;
$$weighted_str .= "\x7f1\x7f$1\x7f/1\x7f\n";
}
}
1;
|