mdw@git.distorted.org.uk Git - sw-tools/blob - perl/SWList.pm

   1 # -*-perl-*-
   2 #
   3 # $Id: SWList.pm,v 1.1 1999/07/30 18:46:37 mdw Exp $
   4 #
   5 # Create the main list of installed packages
   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: SWList.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 header -------------------------------------------------------
  36
  37 package SWList;
  38
  39 use IO;
  40 use POSIX;
  41
  42 use SWConfig;
  43 use SW;
  44 use SWCGI qw(:DEFAULT :layout);
  45
  46 #----- Main code ------------------------------------------------------------
  47
  48 # --- @list@ ---
  49 #
  50 # Action to output the installed software list.
  51
  52 %archmap = ( "linux" => 'l',
  53              "solaris" => 's',
  54              "sunos" => 's',
  55              "irix" => 'i',
  56              "alpha" => 'a',
  57              "hpux" => 'h' );
  58
  59
  60 sub list {
  61
  62   my @arch = ();
  63   my $narch = 0;
  64
  65   # --- Read the architecture table and assign mnemonic-ish letters ---
  66
  67   {
  68     my $a = IO::File->new("$C{datadir}/archtab") or
  69       barf("couldn't open archtab: $!");
  70     my %mn = ();
  71     LINE: while (my $line = $a->getline()) {
  72
  73       # --- Skip comments and boring things ---
  74
  75       chomp($line);
  76       next LINE if $line =~ /^\s*$/ || $line =~ /^\s*\#/;
  77
  78       # --- Break into components ---
  79
  80       my ($arch, $host) = split(" ", $line, 3);
  81
  82       # --- Assign a mnemonic character ---
  83       #
  84       # In dire cases, this will choose multiple characters.  Oh, well.  If
  85       # you have more than 26 architectures to maintain, this is the least of
  86       # your worries.
  87
  88       my $mn = "";
  89       my $hi;
  90       foreach my $k (keys(%archmap)) {
  91         if (index($arch, $k) >= 0 && !$mn->{$archmap{$k}}) {
  92           $mn = $archmap{$k};
  93           last;
  94         }
  95       }
  96       unless ($mn) {
  97         for (my $i = 0; $i < length($arch); $i++) {
  98           my $ch = lc(substr($arch, $i, 1));
  99           next unless $ch =~ /[a-z]/;
 100           $mn = $ch, last unless $mn{$ch};
 101         }
 102       }
 103       if ($mn) {
 104         ($hi = $arch) =~ s:$mn:<u>$mn</u>:;
 105       } else {
 106         for ($mn = "a"; $mn{$mn}; $mn++) { }
 107         $hi = "$arch (<u>$mn</u>)";
 108       }
 109       push(@arch, { arch => $arch, host => $host, mn => $mn, hi => $hi });
 110     }
 111   }
 112   @arch = sort { length($a->{mn}) <=> length($b->{mn}) ||
 113                    $a->{mn} cmp $b->{mn} } @arch;
 114   $narch = @arch;
 115
 116   # --- Emit a header ---
 117
 118   header("Installed software");
 119
 120   print <<EOF;
 121 <h3>Documentation</h3>
 122 <ul>
 123 <li><a href="$ref?act=man">Manual pages</a>
 124 <li><a href="$ref?act=info">GNU Info</a>
 125 </ul>
 126 <hr>
 127 <h3>Installed software</h3>
 128 <table>
 129 <tr align=left>
 130   <th rowspan=2>Package
 131   <th rowspan=2>Version
 132   <th rowspan=2 colspan=2>Maintainer
 133   <th colspan=$narch>Architectures
 134   <th rowspan=2>Date installed
 135   <th rowspan=2>Doc
 136 EOF
 137
 138   # --- Spit out the archtecture mnemonics ---
 139
 140   print "<tr align=left>\n  ";
 141   foreach my $a (@arch) { print "<th>" . $a->{mn}; }
 142   print "\n";
 143
 144   # --- Iterate through the installed packages ---
 145
 146   my $sw = SW->new();
 147   foreach my $pkg ($sw->list()) {
 148     my $m = $sw->get($pkg);
 149     print("<tr>\n");
 150
 151     # --- The package and version number are easy ---
 152
 153     print("  <td>$m->{package}\n");
 154     print("  <td>$m->{version}\n");
 155
 156     # --- Resolve the maintainer into a sensible real name ---
 157
 158     {
 159       my $maint = $m->{"maintainer"};
 160       my @pw = getpwnam($maint);
 161       my ($gecos) = split(/,/, $pw[6], 2);
 162       my $addr = $maint . ($C{domain} && "\@" . $C{domain});
 163       print("  <td>$gecos<td>&lt;<a href=\"mailto:$addr\">$addr</a>&gt;\n");
 164     }
 165
 166     # --- Dump out the architectures ---
 167     #
 168     # Assume that the names aren't ambiguous.
 169
 170     {
 171       my %a = ();
 172       foreach my $ar (split(/[\s,]+/, $m->{"arch"})) {
 173         next unless $ar;
 174         foreach my $a (@arch) {
 175           if ($a->{arch} =~ /^$ar/) {
 176             $a{$a->{arch}} = 1;
 177             last;
 178           }
 179         }
 180       }
 181
 182       print("  ");
 183       foreach my $a (@arch) {
 184         if ($a{$a->{arch}}) {
 185           print("<td>", $a->{mn});
 186         } else {
 187           print("<td>");
 188         }
 189       }
 190       print("\n");
 191     }
 192
 193     # --- Print the date ---
 194
 195     print("  <td>$m->{date}\n");
 196
 197     # --- If the documentation file exists, put a link in ---
 198
 199     if (-r "$C{doc}/$pkg") {
 200       print("  <td><a href=\"$ref?act=doc&pkg=$pkg\">Yes</a>\n");
 201     } else {
 202       print("  <td>No\n");
 203     }
 204   }
 205
 206   # --- Finish up ---
 207
 208   print "</table>\n";
 209
 210   # --- Emit a legend for the architecture lists ---
 211
 212   print "<p><b>Architectures:</b>\n";
 213   foreach my $a (@arch) {
 214     print $a->{hi}, "\n";
 215   }
 216   footer();
 217 }
 218
 219 #----- Register actions -----------------------------------------------------
 220
 221 $main::ACT{"list"} = \&list;
 222
 223 #----- That's all, folks ----------------------------------------------------
 224
 225 1;