Files
oddmuse/modules/anchors.pl
2014-08-21 22:23:23 +02:00

49 lines
2.0 KiB
Perl

# Copyright (C) 2004, 2005, 2009 Alex Schroeder <alex@gnu.org>
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>.
AddModuleDescription('anchors.pl', 'Local Anchor Extension');
push(@MyRules, \&AnchorsRule);
sub AnchorsRule {
if (m/\G\[\[\#$FreeLinkPattern\]\]/gc) {
return $q->a({-href=>'#' . FreeToNormal($1), -class=>'local anchor'}, $1);
} elsif ($BracketWiki && m/\G\[\[\#$FreeLinkPattern\|([^\]]+)\]\]/gc) {
return $q->a({-href=>'#' . FreeToNormal($1), -class=>'local anchor'}, $2);
} elsif ($BracketWiki && m/\G(\[\[$FreeLinkPattern\#$FreeLinkPattern\|([^\]]+)\]\])/cog
or m/\G(\[\[\[$FreeLinkPattern\#$FreeLinkPattern\]\]\])/cog
or m/\G(\[\[$FreeLinkPattern\#$FreeLinkPattern\]\])/cog) {
# This one is not a dirty rule because the output is always a page
# link, never an edit link (unlike normal free links).
my $bracket = (substr($1, 0, 3) eq '[[[');
my $id = $2 . '#' . $3;
my $text = $4;
my $class = 'local anchor';
my $title = '';
$id = FreeToNormal($id);
if (!$text && $bracket) {
$text = BracketLink(++$FootnoteNumber); # s/_/ /g happens further down!
$class .= ' number';
$title = $id; # override title
$title =~ s/_/ /g if $free;
}
$text = $id unless $text;
$text =~ s/_/ /g;
return ScriptLink(UrlEncode($id), $text, $class, undef, $title);
} elsif (m/\G\[\:$FreeLinkPattern\]/gc) {
return $q->a({-name=>FreeToNormal($1), -class=>'anchor'}, '');
}
return undef;
}