Jackalope\Transport\Jackrabbit\Client::query PHP Method

    public function query(Query $query)
    {
        // TODO handle bind variables
        $querystring = $query->getStatement();
        $limit = $query->getLimit();
        $offset = $query->getOffset();
        $language = $query->getLanguage();
        switch ($language) {
            case QueryInterface::JCR_JQOM:
                // for JQOM, fall through to SQL2
            // for JQOM, fall through to SQL2
            case QueryInterface::JCR_SQL2:
                $ns = '';
                $langElement = 'JCR-SQL2';
                break;
            case QueryInterface::XPATH:
                $langElement = 'dcr:xpath';
                $ns = 'xmlns:dcr="http://www.day.com/jcr/webdav/1.0"';
                break;
            case QueryInterface::SQL:
                $langElement = 'dcr:sql';
                $ns = 'xmlns:dcr="http://www.day.com/jcr/webdav/1.0"';
                break;
            default:
                // this should be impossible as we check on creation already
                throw new InvalidQueryException("Unsupported query language: {$language}");
        }
        $body = '<D:searchrequest ' . $ns . ' xmlns:D="DAV:"><' . $langElement . '><![CDATA[' . $querystring . ']]></' . $langElement . '>';
        if (null !== $limit || null !== $offset) {
            $body .= '<D:limit>';
            if (null !== $limit) {
                $body .= '<D:nresults>' . (int) $limit . '</D:nresults>';
            }
            if (null !== $offset) {
                $body .= '<offset>' . (int) $offset . '</offset>';
            }
            $body .= '</D:limit>';
        }
        $body .= '</D:searchrequest>';
        $path = $this->addWorkspacePathToUri('/');
        $request = $this->getRequest(Request::SEARCH, $path);
        $request->setBody($body);
        $rawData = $request->execute();
        $dom = new DOMDocument();
        $dom->loadXML($rawData);
        $rows = array();
        foreach ($dom->getElementsByTagName('response') as $row) {
            $columns = array();
            foreach ($row->getElementsByTagName('column') as $column) {
                $sets = array();
                foreach ($column->childNodes as $childNode) {
                    if ('dcr:value' == $childNode->tagName) {
                        $value = $this->getDcrValue($childNode);
                        // TODO if this bug is fixed, spaces may be urlencoded instead of the escape sequence: https://issues.apache.org/jira/browse/JCR-2997
                        // the following line fails for nodes with "_x0020 " in their name, changing that part to " x0020_"
                        // other characters like < and > are urlencoded, which seems to be handled by dom already.
                        if (is_string($value)) {
                            $value = str_replace('_x0020_', ' ', $value);
                        }
                    } else {
                        $value = $childNode->nodeValue;
                    }
                    $sets[$childNode->tagName] = $value;
                }
                if (!isset($sets['dcr:value'])) {
                    $sets['dcr:value'] = null;
                }
                $columns[] = $sets;
            }
            $rows[] = $columns;
        }
        return $rows;
    }

 /**
  * {@inheritDoc}
  */
 public function query(Query $query)
 {
     $this->logger->startCall(__FUNCTION__, func_get_args(), array('fetchDepth' => $this->transport->getFetchDepth()));
     $result = $this->transport->query($query);
     $this->logger->stopCall();
     return $result;
 }