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Extract RemoveForeignElements strategy from Definition object.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@111 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2006-07-24 01:50:02 +00:00
parent 8e91e841f5
commit 4b8a206417
1 changed files with 42 additions and 0 deletions
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42
library/HTMLPurifier/Strategy/RemoveForeignElements.php Normal file
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<?php
require_once 'HTMLPurifier/Strategy.php';
require_once 'HTMLPurifier/Definition.php';
require_once 'HTMLPurifier/Generator.php';
class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
{
var $generator;
var $definition;
function HTMLPurifier_Definition() {
$this->generator = new HTMLPurifier_Generator();
$this->definition = HTMLPurifier_Definition::instance();
}
function execute($tokens) {
$result = array();
foreach($tokens as $token) {
if (!empty( $token->is_tag )) {
if (!isset($this->definition->info[$token->name])) {
// invalid tag, generate HTML and insert in
$token = new HTMLPurifier_Token_Text(
$this->generator->generateFromToken($token)
);
}
} elseif ($token->type == 'comment') {
// strip comments
continue;
} elseif ($token->type == 'text') {
} else {
continue;
}
$result[] = $token;
}
return $result;
}
}
?>