modules/canonical.pl

   1 # Copyright (C) 2004  Alex Schroeder <alex@emacswiki.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 2 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 #    Free Software Foundation, Inc.
  16 #    59 Temple Place, Suite 330
  17 #    Boston, MA 02111-1307 USA
  18
  19 $ModulesDescription .= '<p><a href="http://git.savannah.gnu.org/cgit/oddmuse.git/tree/modules/canonical.pl">canonical.pl</a>, see <a href="http://www.oddmuse.org/cgi-bin/oddmuse/Canonical_Names">Canonical Names</a></p>';
  20
  21 use utf8;
  22
  23 *OldCanonicalResolveId = *ResolveId;
  24 *ResolveId = *NewCanonicalResolveId;
  25
  26 my %CanonicalName = ();
  27
  28 sub NewCanonicalResolveId {
  29   my $id = shift;
  30   my ($class, $resolved, $title, $exists) = OldCanonicalResolveId($id);
  31   return ($class, $resolved, $title, $exists) if $resolved;
  32   if (not %CanonicalName) {
  33     foreach my $page (AllPagesList()) {
  34       $CanonicalName{CanonicalName($page)} = $page;
  35     }
  36   }
  37   if ($CanonicalName{$id}) {
  38     return ('local canonical', $CanonicalName{$id}, $CanonicalName{$id}, undef);
  39   }
  40 }
  41
  42 # If the page AlexSchröder exists, [[alexschroder]] will link to it.
  43
  44 sub CanonicalName {
  45   my $str = shift;
  46   $str =~ tr/äáàâëéèêïíìîöóòôüúùû/aaaaeeeeiiiioooouuuu/;
  47   $str = lc($str);
  48   return $str;
  49 }