/**
* Perform the query on Document
*
* @param string $expression CSS selector or XPath query
* @param Document $document Document to query
* @param string $type The type of $expression
* @return NodeList
*/
public static function execute($expression, Document $document, $type = self::TYPE_XPATH)
{
// Expression check
if ($type === static::TYPE_CSS) {
$expression = static::cssToXpath($expression);
}
$xpath = new DOMXPath($document->getDomDocument());
$xpathNamespaces = $document->getXpathNamespaces();
foreach ($xpathNamespaces as $prefix => $namespaceUri) {
$xpath->registerNamespace($prefix, $namespaceUri);
}
if ($xpathPhpfunctions = $document->getXpathPhpFunctions()) {
$xpath->registerNamespace('php', 'http://php.net/xpath');
$xpathPhpfunctions === true ? $xpath->registerPHPFunctions() : $xpath->registerPHPFunctions($xpathPhpfunctions);
}
$nodeList = $xpath->queryWithErrorException($expression);
return new NodeList($nodeList);
}
/**
* Prepare node list
*
* @param DOMDocument $document
* @param string|array $xpathQuery
* @return array
* @throws ErrorException If query cannot be executed
*/
protected function getNodeList($document, $xpathQuery)
{
$xpath = new DOMXPath($document);
foreach ($this->xpathNamespaces as $prefix => $namespaceUri) {
$xpath->registerNamespace($prefix, $namespaceUri);
}
if ($this->xpathPhpFunctions) {
$xpath->registerNamespace("php", "http://php.net/xpath");
$this->xpathPhpFunctions === true ? $xpath->registerPHPFunctions() : $xpath->registerPHPFunctions($this->xpathPhpFunctions);
}
$xpathQuery = (string) $xpathQuery;
$nodeList = $xpath->queryWithErrorException($xpathQuery);
return $nodeList;
}
