'.$string.'

'; // replace and escape the CDATA sections, since parsing under HTML // mode won't get 'em. $string = $this->escapeCDATA($string); @$doc->loadHTML($string); // mute all errors, handle it transparently return $this->tokenizeDOM( $doc->childNodes->item(1)-> // html childNodes->item(0)-> // body childNodes->item(0) // div ); } /** * Recursive function that tokenizes a node, putting it into an accumulator. * * @param $node DOMNode to be tokenized. * @param $tokens Array-list of already tokenized tokens. * @param $collect Says whether or start and close are collected, set to * false at first recursion because it's the implicit DIV * tag you're dealing with. * @returns Tokens of node appended to previously passed tokens. */ protected function tokenizeDOM($node, $tokens = array(), $collect = false) { // recursive goodness! // intercept non element nodes if ( !($node instanceof DOMElement) ) { if ($node instanceof DOMComment) { $tokens[] = new HTMLPurifier_Token_Comment($node->data); } elseif ($node instanceof DOMText || $node instanceof DOMCharacterData) { $tokens[] = new HTMLPurifier_Token_Text($node->data); } // quite possibly, the object wasn't handled, that's fine return $tokens; } // We still have to make sure that the element actually IS empty if (!$node->hasChildNodes()) { if ($collect) { $tokens[] = new HTMLPurifier_Token_Empty( $node->tagName, $this->transformAttrToAssoc($node->attributes) ); } } else { if ($collect) { // don't wrap on first iteration $tokens[] = new HTMLPurifier_Token_Start( $tag_name = $node->tagName, // somehow, it get's dropped $this->transformAttrToAssoc($node->attributes) ); } foreach ($node->childNodes as $node) { // remember, it's an accumulator. Otherwise, we'd have // to use array_merge $tokens = $this->tokenizeDOM($node, $tokens, true); } if ($collect) { $tokens[] = new HTMLPurifier_Token_End($tag_name); } } return $tokens; } /** * Converts a DOMNamedNodeMap of DOMAttr objects into an assoc array. * * @param $attribute_list DOMNamedNodeMap of DOMAttr objects. * @returns Associative array of attributes. */ protected function transformAttrToAssoc($attribute_list) { $attribute_array = array(); // undocumented behavior foreach ($attribute_list as $key => $attr) { $attribute_array[$key] = $attr->value; } return $attribute_array; } } ?>