namazu/filter/compress.pl

#
# -*- Perl -*-
# $Id: compress.pl,v 1.15 2000/03/23 10:41:04 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 compress;
use strict;
require 'util.pl';

my $zcatpath = undef;

sub mediatype() {
    return ('application/x-compress');
}

sub status() {
    $zcatpath = util::checkcmd('zcat');
    return 'no' unless (defined $zcatpath);
    return 'yes';
}

sub recursive() {
    return 1;
}

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 $tmpfile = util::tmpnam('NMZ.compr');

    util::vprint("Processing compress file ... (using  '$zcatpath')\n");

    my $fh = util::efopen("|$zcatpath > $tmpfile");
    print $fh $$cont;
    undef $fh;
    $fh = util::efopen("$tmpfile");
    my $size = util::filesize($fh);
    if ($size > $conf::FILE_SIZE_MAX) {
        return 'too_large_gzipped_file';
    }
    $$cont = util::readfile($fh);
    undef $fh;
    unlink $tmpfile;
    return undef;
}

1;
1	#
2	# -- Perl --
3	# $Id: compress.pl,v 1.15 2000/03/23 10:41:04 knok Exp $
4	# Copyright (C) 2000 Namazu Project All rights reserved ,
5	# This is free software with ABSOLUTELY NO WARRANTY.
6	#
7	# This program is free software; you can redistribute it and/or modify
8	# it under the terms of the GNU General Public License as published by
9	# the Free Software Foundation; either versions 2, or (at your option)
10	# any later version.
11	#
12	# This program is distributed in the hope that it will be useful
13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	# GNU General Public License for more details.
16	#
17	# You should have received a copy of the GNU General Public License
18	# along with this program; if not, write to the Free Software
19	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20	# 02111-1307, USA
21	#
22	# This file must be encoded in EUC-JP encoding
23	#
24
25	package compress;
26	use strict;
27	require 'util.pl';
28
29	my $zcatpath = undef;
30
31	sub mediatype() {
32	return ('application/x-compress');
33	}
34
35	sub status() {
36	$zcatpath = util::checkcmd('zcat');
37	return 'no' unless (defined $zcatpath);
38	return 'yes';
39	}
40
41	sub recursive() {
42	return 1;
43	}
44
45	sub pre_codeconv() {
46	return 0;
47	}
48
49	sub post_codeconv () {
50	return 0;
51	}
52
53	sub add_magic ($) {
54	return;
55	}
56
57	sub filter ($$$$$) {
58	my ($orig_cfile, $cont, $weighted_str, $headings, $fields)
59	= @_;
60
61	my $tmpfile = util::tmpnam('NMZ.compr');
62
63	util::vprint("Processing compress file ... (using '$zcatpath')\n");
64
65	my $fh = util::efopen("\|$zcatpath > $tmpfile");
66	print $fh $$cont;
67	undef $fh;
68	$fh = util::efopen("$tmpfile");
69	my $size = util::filesize($fh);
70	if ($size > $conf::FILE_SIZE_MAX) {
71	return 'too_large_gzipped_file';
72	}
73	$$cont = util::readfile($fh);
74	undef $fh;
75	unlink $tmpfile;
76	return undef;
77	}
78
79	1;