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#!/usr/bin/perl
package IkiWiki::Plugin::smiley;
use warnings;
use strict;
use IkiWiki;
my %smileys;
my $smiley_regexp;
sub import { #{{{
IkiWiki::hook(type => "checkconfig", id => "smiley", call => \&setup);
} # }}}
sub setup () { #{{{
my $list=IkiWiki::readfile(IkiWiki::srcfile("smileys.mdwn"));
while ($list =~ m/^\s*\*\s+\\([^\s]+)\s+\[\[([^]]+)\]\]/mg) {
$smileys{$1}=$2;
}
if (! %smileys) {
IkiWiki::debug("failed to parse any smileys, disabling plugin");
return;
}
IkiWiki::hook(type => "filter", id => "smiley", call => \&filter);
# sort and reverse so that substrings come after longer strings
# that contain them, in most cases.
$smiley_regexp='('.join('|', map { quotemeta }
reverse sort keys %smileys).')';
#IkiWiki::debug($smiley_regexp);
} #}}}
sub filter (@) { #{{{
my %params=@_;
$params{content} =~ s{(?<=\s)(\\?)$smiley_regexp(?=\s)}{
$1 ? $2 : IkiWiki::htmllink($params{page}, $params{page}, $smileys{$2}, 0, 0, $2)
}egs;
return $params{content};
} # }}}
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