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#!/usr/bin/perl
package IkiWiki::Plugin::htmlbalance;
# htmlbalance: Parse and re-serialize HTML to ensure balanced tags
#
# Copyright 2008 Simon McVittie <http://smcv.pseudorandom.co.uk/>
# Licensed under the GNU GPL, version 2, or any later version published by the
# Free Software Foundation
use warnings;
use strict;
use IkiWiki 2.00;
sub import { #{{{
hook(type => "getsetup", id => "htmlbalance", call => \&getsetup);
hook(type => "sanitize", id => "htmlbalance", call => \&sanitize);
} # }}}
sub getsetup () { #{{{
return
plugin => {
safe => 1,
rebuild => undef,
},
} #}}}
sub sanitize (@) { #{{{
my %params=@_;
my $ret = '';
eval {
use HTML::TreeBuilder;
use XML::Atom::Util qw(encode_xml);
};
if ($@) {
error($@);
return $params{content};
}
my $tree = HTML::TreeBuilder->new_from_content($params{content});
my @nodes = $tree->disembowel();
foreach my $node (@nodes) {
if (ref $node) {
$ret .= $node->as_XML();
chomp $ret;
$node->delete();
}
else {
$ret .= encode_xml($node);
}
}
$tree->delete();
return $ret;
} # }}}
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