961ce1c2 |
1 | # -*-perl-*- |
2 | # |
44b3c589 |
3 | # $Id: SWInfo.pm,v 1.2 1999/08/18 17:10:07 mdw Exp $ |
961ce1c2 |
4 | # |
5 | # Read and output GNU Info 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: SWInfo.pm,v $ |
44b3c589 |
31 | # Revision 1.2 1999/08/18 17:10:07 mdw |
32 | # Slight improvements to URL and email address parsing. |
33 | # |
961ce1c2 |
34 | # Revision 1.1 1999/07/30 18:46:37 mdw |
35 | # New CGI script for browsing installed software and documentation. |
36 | # |
37 | |
38 | #----- Package preamble ----------------------------------------------------- |
39 | |
40 | package SWInfo; |
41 | |
42 | use IO; |
43 | |
44 | use SWConfig; |
45 | use SWCGI qw(:DEFAULT :layout); |
46 | use SWMan; |
47 | use Info; |
48 | |
49 | #----- Useful functions ----------------------------------------------------- |
50 | |
51 | # --- @subst(IREF, FILE, INFO)@ --- |
52 | # |
53 | # Given an Info reference and the name of the current Info file, returns an |
54 | # HTML anchor which represents the link. |
55 | |
56 | sub subst($$$) { |
57 | my ($iref, $file, $i) = @_; |
58 | my $node; |
59 | my $dir; |
60 | my $tail = ""; |
61 | |
62 | # --- Dig out the node and file being referred to --- |
63 | |
64 | if ($iref =~ /:$/) { |
65 | $tail = ":"; |
66 | $iref = $`; |
67 | } |
68 | my $oref = $iref; |
69 | $iref =~ s/\s+/ /g; |
70 | if ($iref =~ /^.+: *(.+)$/) { $iref = $1; } |
71 | if ($iref =~ /(?:\(([^\)]*)\))?(.*)$/) { |
72 | $file = $1 || $file; |
73 | $node = $2 || "Top"; |
74 | } else { |
75 | $node = $iref; |
76 | } |
77 | |
78 | # --- Transform it into something that won't get mangled --- |
79 | |
80 | $node =~ s/[+&=%]|[^ -~]/sprintf("%%%02x", ord($&))/eg; |
81 | $node =~ tr/ /+/; |
82 | |
83 | ($dir = $i->{dir}) =~ s:$C{prefix}/info/?::; |
84 | $dir = "&dir=$dir" if $dir; |
85 | |
86 | return "<a href=\"$ref?act=info&file=$file&node=$node$dir\">$oref</a>$tail"; |
87 | } |
88 | |
89 | #----- Actions -------------------------------------------------------------- |
90 | |
91 | sub info { |
92 | my $file = $Q{file} || "dir"; |
93 | my $node = $Q{node} || "Top"; |
94 | my $dir = $Q{dir} || ""; |
95 | my $out; |
96 | |
97 | # --- Read the node in --- |
98 | |
99 | Info::setpath("$C{prefix}/info"); |
100 | |
101 | "$dir/$file" =~ m:\./: and |
102 | barf("bad filename `$dir/$file'"); |
103 | my $i = (($dir && Info->new("$dir/$file")) || |
104 | Info->new($file)) |
105 | or barf("couldn't find info file `$file'"); |
106 | my $n = $i->node($node) or |
107 | barf("info file `$file' doesn't contain node `$node'"); |
108 | |
109 | # --- Now translate the node into HTML, first line first --- |
110 | |
111 | $n =~ s/\&/&/; |
112 | $n =~ s/\</</; |
113 | $n =~ s/\>/>/; |
114 | $n =~ s/\A( [^\n]* Next:\ *) ([^,\n]*) / $1 . subst($2, $file, $i) /eix; |
115 | $n =~ s/\A( [^\n]* Prev:\ *) ([^,\n]*) / $1 . subst($2, $file, $i) /eix; |
116 | $n =~ s/\A( [^\n]* Up:\ *) ([^,\n]*) / $1 . subst($2, $file, $i) /eix; |
117 | |
118 | # --- Grind through picking up any notes --- |
119 | |
120 | $out = ""; |
121 | |
122 | for (;;) { |
123 | if ($n =~ /(\*Note\s*)([^:]*: *(?:\([^\)]*\))?[^.,;:]*)([.,;:])/i) { |
124 | $out .= $` . $1 . subst($2, $file, $i) . $3; |
125 | $n = $'; |
126 | } else { |
127 | last; |
128 | } |
129 | } |
130 | |
131 | # --- If there's a menu then process that --- |
132 | |
133 | if ($n =~ /\n\* *Menu:/s) { |
134 | $out .= $` . $&; |
135 | $n = $'; |
136 | for (;;) { |
137 | if ($n =~ /(\n\* *)([^:]*: *(?:\([^\)]*\))?[^.,;:]*)([.,;:])/) { |
138 | $out .= $` . $1 . subst($2, $file, $i) . $3; |
139 | $n = $'; |
140 | } else { |
141 | last; |
142 | } |
143 | } |
144 | } |
145 | $out .= $n; |
146 | |
44b3c589 |
147 | $out =~ s!\b(https?|ftp|file|news):[^]&)\s]*[^]&).,\s\'\"]!<a href="$&">$&</a>!g; |
148 | $out =~ s!(?:\bmailto:)?([^\s()&;:{}.,\`\"][^\s()&;:{}\`\"]*\@[^\s()&;:{}\'\"]*[^\s()&;:{}.,\'\"])!<a href="mailto:$1">$&</a>!g; |
961ce1c2 |
149 | $out =~ s!([-_.\w]+)\((\d+\w*)\)!SWMan::subst("$1($2)", $1, $2)!eg; |
150 | |
151 | header("Info: ($file)$node"); |
152 | print("<pre>\n$out</pre>\n"); |
153 | footer(); |
154 | } |
155 | |
156 | #----- Actions provided ----------------------------------------------------- |
157 | |
158 | $main::ACT{"info"} = \&info; |
159 | |
160 | #----- That's all, folks ---------------------------------------------------- |