/**
* This method parses an "idref" node.
*
* @access protected
* @param \SimpleXMLElement $root a reference to the root node
* @param \SimpleXMLElement $node a reference to the "idref" node
* @return string the id reference
* @throws Throwable\Parse\Exception indicates that problem occurred while
* parsing
*/
protected function parseIdRefElement(\SimpleXMLElement $root, \SimpleXMLElement $node)
{
$attributes = $node->attributes();
if (isset($attributes['local'])) {
$idref = Spring\Data\XML::valueOf($attributes['local']);
if (!Spring\Data\XML\Syntax::isIdref($idref, $root)) {
throw new Throwable\Parse\Exception('Unable to process Spring XML. Expected a valid "idref" token, but got ":token".', array(':token' => $idref));
}
return $idref;
} else {
if (isset($attributes['object'])) {
$idref = Spring\Data\XML::valueOf($attributes['object']);
return $idref;
} else {
throw new Throwable\Parse\Exception('Unable to process Spring XML. Tag ":tag" is missing ":attribute" attribute', array(':tag' => 'idref', ':attribute' => 'object'));
}
}
}
