/**
* Get XML preprocessor tree from the preprocessor (which may not be the
* native XML-based one).
*
* @param string $wikiText
* @return string
*/
protected function preprocessToXml($wikiText)
{
if (method_exists($this->mPreprocessor, 'preprocessToXml')) {
return $this->normalizeXml($this->mPreprocessor->preprocessToXml($wikiText));
}
$dom = $this->mPreprocessor->preprocessToObj($wikiText);
if (is_callable(array($dom, 'saveXML'))) {
return $dom->saveXML();
} else {
return $this->normalizeXml($dom->__toString());
}
}
