/**
* Looks for special OPT attributes in the element attribute list and
* processes them. Returns the list of nodes that need to be postprocessed.
*
* @internal
* @param Opt_Compiler_Class $compiler The compiler.
* @param Boolean $specialNs Do we recognize special namespaces?
*/
protected function _processXml(Opt_Compiler_Class $compiler, $specialNs = true)
{
if (!$this->hasAttributes()) {
return array();
}
$attributes = $this->getAttributes();
$this->_postprocess = array();
$opt = Opl_Registry::get('opt');
// Look for special OPT attributes
foreach ($attributes as $attr) {
if ($compiler->isNamespace($attr->getNamespace())) {
$xml = $attr->getXmlName();
if (($processor = $compiler->isOptAttribute($xml)) !== null) {
$processor->processAttribute($this, $attr);
if ($attr->get('postprocess')) {
$this->_postprocess[] = array($processor, $attr);
}
}
$this->removeAttribute($xml);
} else {
$compiler->compileAttribute($attr);
}
}
}