59 lines
1.2 KiB
Perl
59 lines
1.2 KiB
Perl
#!/usr/bin/perl
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package IkiWiki::Plugin::htmlbalance;
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# htmlbalance: Parse and re-serialize HTML to ensure balanced tags
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#
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# Copyright 2008 Simon McVittie <http://smcv.pseudorandom.co.uk/>
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# Licensed under the GNU GPL, version 2, or any later version published by the
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# Free Software Foundation
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use warnings;
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use strict;
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use IkiWiki 3.00;
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use HTML::Entities;
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sub import {
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hook(type => "getsetup", id => "htmlbalance", call => \&getsetup);
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hook(type => "sanitize", id => "htmlbalance", call => \&sanitize);
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}
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sub getsetup () {
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return
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plugin => {
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safe => 1,
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rebuild => undef,
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},
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}
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sub sanitize (@) {
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my %params=@_;
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my $ret = '';
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eval q{use HTML::TreeBuilder};
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error $@ if $@;
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my $tree = HTML::TreeBuilder->new();
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$tree->ignore_unknown(0);
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$tree->ignore_ignorable_whitespace(0);
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$tree->no_space_compacting(1);
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$tree->p_strict(1);
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$tree->store_comments(0);
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$tree->store_declarations(0);
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$tree->store_pis(0);
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$tree->parse_content($params{content});
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my @nodes = $tree->disembowel();
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foreach my $node (@nodes) {
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if (ref $node) {
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$ret .= $node->as_HTML(undef, '', {});
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chomp $ret;
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$node->delete();
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}
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else {
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$ret .= encode_entities($node);
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}
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}
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$tree->delete();
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return $ret;
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}
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1
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