dom = new DOMDocument();
}
public function setClassPrefix($pre = "") {
$this->classPrefix = $pre;
}
/**
* Specify list of nodeNames that should always contain closing tags.
*
* This will render as instead of even if there
* are no children, for all nodeNames specified in list.
*
* @param Array $list the list of nodeNames
*/
public function setNonEmptyNodes(Array $list) {
$this->nonEmptyNodes = $list;
}
/**
* Produce an XUl element containing the given fragment or document
*
*/
public function highlight(&$text) {
if (!$this->dom->loadXML($text))
throw new XmlHighlighterException("Unable to parse string.");
$this->output = new XUl();
$this->dom->normalize();
for ($i = 0; $i < $this->dom->childNodes->length; $i++) {
$this->convert($this->dom->childNodes->item($i), $this->output);
}
return $this->output;
}
/**
* Convenience wrapper around highlight
*
* @see highlight
*/
public function highlightFile($filename) {
$text = file_get_contents($filename);
return $this->highlight($text);
}
/**
* Recursively parses the given node and fill the given $output
*
*/
protected function convert($node, $output) {
switch ($node->nodeType) {
case XML_ELEMENT_NODE:
$li = new XLi(array(new XSpan("<"),
new XSpan($node->nodeName, array('class' => $this->classPrefix . 'tagname'))));
$output->add($li);
// attributes
for ($i = 0; $i < $node->attributes->length; $i++) {
$this->convert($node->attributes->item($i), $li);
}
// children
if ($node->hasChildNodes()) {
$li->add(new XSpan(">"));
$li->add($sub = new XUl());
for ($i = 0; $i < $node->childNodes->length; $i++) {
$this->convert($node->childNodes->item($i), $sub);
}
}
else {
if (!in_array($node->nodeName, $this->nonEmptyNodes)) {
$li->add(new XSpan(" />"));
break;
}
$li->add(new XSpan(">"));
}
// close tag
$li->add(new XSpan("add(new XSpan($node->nodeName, array('class' => $this->classPrefix . 'tagname')));
$li->add(new XSpan(">"));
break;
case XML_ATTRIBUTE_NODE:
$output->add(" ");
$output->add(new XSpan($node->nodeName, array('class' => $this->classPrefix . 'attrname')));
$output->add("=");
$output->add(new XSpan(sprintf("\"%s\"", $node->nodeValue), array('class' => $this->classPrefix . 'attrvalue')));
break;
case XML_TEXT_NODE:
$val = trim($node->nodeValue);
if (strlen($val) > 0) {
$output->add(new XLi($node->nodeValue, array('class' => $this->classPrefix . 'literal')));
}
break;
case XML_COMMENT_NODE:
$output->add(new XLi(array(""),
array('class' => $this->classPrefix . 'comment')));
break;
case XML_PI_NODE:
$li = new XLi(array("nodeName, array('class' => $this->classPrefix . 'tagname')),
" ",
new XSpan($node->nodeValue, array('class' => $this->classPrefix . 'attrname'))),
array('class' => $this->classPrefix . 'pi'));
$li->add("?>");
$output->add($li);
break;
case XML_DOCUMENT_TYPE_NODE:
$li = new XLi(new XSpan($node->internalSubset, array('class' => $this->classPrefix . 'doctype')));
$output->add($li);
break;
default:
$output->add(new XLi($node->nodeValue, array('class' => $this->classPrefix . 'unknown-' . $node->nodeType)));
break;
}
}
public static function htmlNonEmptyNodes() {
return array('div', 'td', 'tr', 'table');
}
}
?>