abstract class FeedImportDomXPathReader in Feed Import 8

This class provides a helper for dom xpath queries.

Hierarchy

• class \Drupal\feed_import_base\FeedImportConfigurable
  • class \Drupal\feed_import_base\FeedImportReader
    • class \Drupal\feed_import_base\FeedImportDomXPathReader

File

feed_import_base/src/FeedImportDomXPathReader.php, line 7

Namespace

Drupal\feed_import_base

abstract class FeedImportDomXPathReader extends FeedImportReader {

  // DomXPath instance
  protected $xpath;

  // Bool, see DomXPath::evaluate
  protected $xpathRegisterNodeNS = TRUE;

  /**
   * {@inheritdoc}
   */
  public function map(&$item, &$path) {
    $values = $this->xpath
      ->evaluate($path, $item, $this->xpathRegisterNodeNS);
    if ($values instanceof DOMNodeList) {
      if (!($len = $values->length)) {
        return NULL;
      }
      elseif ($len == 1) {
        return $values
          ->item(0)->nodeValue;
      }
      $i = 0;
      $ret = array();
      while ($i < $len) {
        $ret[] = $values
          ->item($i++)->nodeValue;
      }
      return $ret;
    }
    return $values;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
FeedImportConfigurable::$options	protected	property
FeedImportConfigurable::cleanLines	public static	function	Helper function to get lines of a string
FeedImportConfigurable::setOptions	public	function	Sets options for this instance	4
FeedImportDomXPathReader::$xpath	protected	property
FeedImportDomXPathReader::$xpathRegisterNodeNS	protected	property
FeedImportDomXPathReader::map	public	function	Returns a value mapped from obj by path. Overrides FeedImportReader::map
FeedImportReader::$items	protected	property
FeedImportReader::formatPath	public	function	Override this to preprocess your paths before they are used in map().	2
FeedImportReader::get	abstract public	function	This method returns the next available item or NULL if there are no items left.	6
FeedImportReader::getStreamContext	public	function	Returns a stream context
FeedImportReader::init	abstract public	function	Here you'll init your reader.	6
FeedImportReader::__construct	final public	function	Constructor of reader. Constructor is final but you'll have to implement init() to init your reader.
FeedImportReader::__destruct	public	function	Destructor.	2