## -*- Perl -*-# $Id: deb.pl,v 1.5.4.1 2002/03/25 07:56:01 knok Exp $# Copyright (C) 2000 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 deb;use strict;require 'util.pl';require 'gfilter.pl';my $dpkgpath = undef;sub mediatype() {    return ('application/x-deb');}sub status() {    $dpkgpath = util::checkcmd('dpkg');    return 'no' unless (defined $dpkgpath);    return 'yes';}sub recursive() {    return 0;}sub pre_codeconv() {    return 0;}sub post_codeconv () {    return 0;}sub add_magic ($) {    my ($magic) = @_;    $magic->addFileExts('\\.deb$', 'application/x-deb');    return;}sub filter ($$$$$) {    my ($orig_cfile, $cont, $weighted_str, $headings, $fields)      = @_;    my $cfile = defined $orig_cfile ? $$orig_cfile : '';    my $tmpfile = util::tmpnam('NMZ.deb');    util::vprint("Processing deb file ... (using  '$dpkgpath')\n");    #FIXME: needed more smart solutions.    util::systemcmd("env LC_ALL=$util::LANG LANGUAGE=$util::LANG $dpkgpath --info " . quotemeta($cfile) . " > $tmpfile");    my $fh = util::efopen("$tmpfile");    my $size = util::filesize($fh);    if ($size > $conf::FILE_SIZE_MAX) {	return 'too_large_dpkg_file';    }    $$cont = util::readfile($fh);    undef $fh;    unlink($tmpfile);    dpkg_filter($cont, $weighted_str, $fields, $headings);    gfilter::line_adjust_filter($cont);    gfilter::line_adjust_filter($weighted_str);    gfilter::white_space_adjust_filter($cont);    gfilter::show_filter_debug_info($cont, $weighted_str,			   $fields, $headings);    return undef;}sub dpkg_filter ($$$$) {    my ($contref, $weighted_str, $fields, $headings) = @_;    deb::get_title($contref, $weighted_str, $fields);    deb::get_author($contref, $fields);#    deb::get_date($contref, $fields);    deb::get_size($contref, $fields);    deb::get_summary($contref, $fields);    return;}# Below is the sample result of 'dpkg --info deb'.##  new debian package, version 2.0.#  size 30606 bytes: control archive= 1247 bytes.#      351 bytes,    12 lines      control#     1174 bytes,    18 lines      md5sums#      389 bytes,    11 lines   *  postinst             #!/bin/sh#      143 bytes,     4 lines   *  postrm               #!/bin/sh#      184 bytes,     6 lines   *  prerm                #!/bin/sh#  Package: irb#  Version: 1.6.2-1#  Section: interpreters#  Priority: optional#  Architecture: all#  Depends: ruby (>= 1.6.2-1), libreadline-ruby (>= 1.6.2-1)#  Installed-Size: 139#  Maintainer: akira yamada <akira@debian.org>#  Source: ruby#  Description: The Intaractive Ruby.#   The irb is acronym for Interactive RuBy.  It evaluates ruby expression#   from the terminal.sub get_title ($$$) {    my ($contref, $weighted_str, $fields) = @_;    if ($$contref =~ /^ Description: (.*)/m) {	my $tmp = $1;	$fields->{'title'} = $tmp;	my $weight = $conf::Weight{'html'}->{'title'};	$$weighted_str .= "\x7f$weight\x7f$tmp\x7f/$weight\x7f\n";    }}sub get_author ($$) {    my ($contref, $fields) = @_;    if ($$contref =~ /^ Maintainer: (.*)/m) {	my $tmp = $1;	$fields->{'author'} = $tmp;    }}sub get_size ($$) {    my ($contref, $fields) = @_;    if ($$contref =~ /^ size (\d+) bytes:/m) {	my $tmp = $1;	$fields->{'size'} = $tmp;    }}sub get_summary ($$) {    my ($contref, $fields) = @_;    if ($$contref =~ /^.*Description:[^\n]*\n(.*)/is) {	my $tmp = $1;	$fields->{'summary'} = $tmp;    }}1;