More improvements to URL recognizer.
[sw-tools] / perl / SWDoc.pm
1 # -*-perl-*-
2 #
3 # $Id: SWDoc.pm,v 1.3 1999/08/19 12:11:09 mdw Exp $
4 #
5 # Display documentation files
6 #
7 # (c) 1999 EBI
8 #
9
10 #----- Licensing notice -----------------------------------------------------
11 #
12 # This file is part of sw-tools.
13 #
14 # sw-tools is free software; you can redistribute it and/or modify
15 # it under the terms of the GNU General Public License as published by
16 # the Free Software Foundation; either version 2 of the License, or
17 # (at your option) any later version.
18 #
19 # sw-tools is distributed in the hope that it will be useful,
20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 # GNU General Public License for more details.
23 #
24 # You should have received a copy of the GNU General Public License
25 # along with sw-tools; if not, write to the Free Software Foundation,
26 # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27
28 #----- Revision history -----------------------------------------------------
29 #
30 # $Log: SWDoc.pm,v $
31 # Revision 1.3 1999/08/19 12:11:09 mdw
32 # More improvements to URL recognizer.
33 #
34 # Revision 1.2 1999/08/18 17:10:07 mdw
35 # Slight improvements to URL and email address parsing.
36 #
37 # Revision 1.1 1999/07/30 18:46:37 mdw
38 # New CGI script for browsing installed software and documentation.
39 #
40
41 #----- Package preamble -----------------------------------------------------
42
43 package SWDoc;
44
45 use IO;
46 use POSIX;
47 use SWConfig;
48 use SWCGI qw(:DEFAULT :layout);
49 use SWMan;
50
51 #----- Actions provided -----------------------------------------------------
52
53 sub doc {
54 my $file = "$C{doc}/$Q{pkg}";
55 barf("illegal filename `$file'") if $file =~ m:\./:;
56 my $fh = IO::File->new($file, O_RDONLY) or
57 barf("couldn't open `$file': $!");
58 header("Local documentation for package $Q{pkg}");
59 print("<h3>Local documentation for package $Q{pkg}</h3>\n");
60 print("<pre>\n");
61
62 while (my $line = $fh->getline()) {
63 last if $line =~ /\f/;
64 $line =~ s/\&/&amp;/g;
65 $line =~ s/\</&lt;</g;
66 $line =~ s/\>/>&gt;/g;
67
68 # --- Spot URLs (except `mailto') ---
69
70 $line =~ s! \b (http s? | ftp | file | news) :
71 [^])\s<>]* [^]<>&).,\s\']
72 !SWMan::urlsubst($&, $&)!egx;
73
74 # --- Spot email addresses (including `mailto' URLs) ---
75
76 $line =~ s! (?:\bmailto:)?
77 ([^\s()&;:<>&{}.,\`\'\"] [^\s()&;:<>&{}\`\'\"]*
78 \@
79 [^\s()&;:{}<>&\'\"]* [^\s()&;:{}<>&.,\'\"])
80 !<a href="mailto:$1">$&</a>!gx;
81
82 # --- Spot info references ---
83
84 $line =~ s! \b info: ([^]&)\s<>]* [^]&).,\s<>\'\"])
85 !<a href="$ref?act=info&file=$1&node=Top">$&</a>!gx;
86
87 # --- Spot manpage references ---
88
89 $line =~ s! ([-_.\w]+) \( (\d+\w*) \)
90 !SWMan::subst("$1($2)", $1, $2)!egx;
91
92 # --- Finally fix up the HTML properly ---
93
94 $line =~ s/\&lt\;\</&lt;/g;
95 $line =~ s/\>\&gt\;/&gt;/g;
96
97 print $line;
98 }
99 print "</pre>\n";
100 footer();
101 }
102
103 #----- Register actions -----------------------------------------------------
104
105 $main::ACT{"doc"} = \&doc;
106
107 #----- That's all, folks ----------------------------------------------------
108
109 1;