modules/google-custom-search.pl

   1 # Copyright (C) 2007  Alex Schroeder <alex@gnu.org>
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 use vars qw($GoogleCustomSearchEngine);
  20
  21 $GoogleCustomSearchEngine = 'http://www.google.com/cse?cx=004774160799092323420:6-ff2s0o6yi&q=';
  22
  23 $ModulesDescription .= '<p><a href="http://git.savannah.gnu.org/cgit/oddmuse.git/tree/modules/google-custom-search.pl">google-custom-search.pl</a></p>';
  24
  25 # disable search form
  26 sub GetSearchForm {}
  27
  28 # No more searching of titles
  29 *OldGoogleCustomGetSearchLink = *GetSearchLink;
  30 *GetSearchLink = *NewGoogleCustomGetSearchLink;
  31
  32 sub NewGoogleCustomGetSearchLink {
  33   my ($text, $class, $name, $title) = @_;
  34   $text = NormalToFree($text);
  35   # It would be complicated to use ScriptLink here because of quoting
  36   # issues: ScriptUrl expects a quoted URL, which it then proceeds to
  37   # unquote again, etc. It's safer to just copy the necessary code
  38   # from ScriptLink.
  39   my %params;
  40   $params{'-rel'} = 'nofollow';
  41   $params{-href} = $GoogleCustomSearchEngine . UrlEncode(qq("$text"));
  42   $params{'-class'} = $class if $class;
  43   $params{'-name'} = UrlEncode($name) if $name;
  44   $params{'-title'} = $title if $title;
  45   return $q->a(\%params, $text);
  46 }
  47
  48 *OldGoogleCustomGetHeader = *GetHeader;
  49 *GetHeader = *NewGoogleCustomGetHeader;
  50
  51 sub NewGoogleCustomGetHeader {
  52   my $html = OldGoogleCustomGetHeader(@_);
  53   my $form = qq {
  54 <!-- Google CSE Search Box Begins  -->
  55 <form class="tiny" action="http://www.google.com/cse" id="searchbox_004774160799092323420:6-ff2s0o6yi"><p>
  56 <input type="hidden" name="cx" value="004774160799092323420:6-ff2s0o6yi" />
  57 <input type="text" name="q" size="25" />
  58 <input type="submit" name="sa" value="Search" />
  59 </p></form>
  60 <script type="text/javascript" src="http://www.google.com/coop/cse/brand?form=searchbox_004774160799092323420%3A6-ff2s0o6yi"></script>
  61 <!-- Google CSE Search Box Ends -->
  62 };
  63   $html =~ s{</span>}{</span>$form};
  64   return $html;
  65 }
  66
  67