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