public function parse($content)
{
$stylesheetConstraint = parent::parse($content);
$this->root = null;
$this->clearStack();
return $stylesheetConstraint;
}
/**
* Parses document and build graph of Node
*
* @return PageCollection Root of node's graph
*/
public function parse($content, StylesheetConstraint $stylesheetConstraint = null)
{
if ($stylesheetConstraint !== null) {
$this->setStylesheetConstraint($stylesheetConstraint);
}
$pageCollection = parent::parse($content);
$this->fireOnEndParsing($pageCollection);
$this->initialize();
return $pageCollection;
}