forked from github/kensanata.oddmuse
53 lines
1.9 KiB
Perl
53 lines
1.9 KiB
Perl
# Copyright (C) 2004, 2005 Alex Schroeder <alex@emacswiki.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the
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# Free Software Foundation, Inc.
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# 59 Temple Place, Suite 330
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# Boston, MA 02111-1307 USA
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use strict;
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AddModuleDescription('crumbs.pl', 'List Parent Pages Extension');
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our ($q, %RuleOrder, @MyRules, $LinkPattern, $FreeLinks, $FreeLinkPattern, $WikiLinks);
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push(@MyRules, \&CrumbsRule);
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$RuleOrder{\&CrumbsRule} = -10; # run before default rules!
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sub CrumbsRule {
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if (not (pos) # first!
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and (($WikiLinks && /\G($LinkPattern\n)/cgo)
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or ($FreeLinks && /\G(\[\[$FreeLinkPattern\]\]\n)/cgo))) {
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my $oldpos = pos; # will be trashed below
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my $cluster = FreeToNormal($2);
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my %seen = ($cluster => 1);
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my @links = ($cluster);
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AllPagesList(); # set IndexHash
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while ($cluster) {
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my $text = GetPageContent($cluster); # opening n files is slow!
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if (($WikiLinks && $text =~ /^$LinkPattern\n/)
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or ($FreeLinks && $text =~ /^\[\[$FreeLinkPattern\]\]\n/)) {
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$cluster = FreeToNormal($1);
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}
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last if not $cluster or $seen{$cluster};
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$seen{$cluster} = 1;
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push(@links, $cluster);
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}
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my $result = $q->span({-class=>'crumbs'}, map { GetPageLink($_) } reverse(@links));
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pos = $oldpos; # set after $_ is set!
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return $result; # clean rule, will be cached!
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}
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return;
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}
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