abstract class FeedImportSimpleXPathReader in Feed Import 8

This class is a helper for xpath readers using SimpleXMLElement.

Hierarchy

• class \Drupal\feed_import_base\FeedImportConfigurable
  • class \Drupal\feed_import_base\FeedImportReader
    • class \Drupal\feed_import_base\FeedImportSimpleXPathReader

File

feed_import_base/src/FeedImportSimpleXPathReader.php, line 7

Namespace

Drupal\feed_import_base

abstract class FeedImportSimpleXPathReader extends FeedImportReader {

  /**
   * {@inheritdoc}
   */
  public function map(&$item, &$xpath) {

    // Get values and handle xpath exceptions.
    try {
      $values = $item
        ->xpath($xpath);
    } catch (Exception $e) {
      return NULL;
    }

    // Xpath gave no values return null.
    if (!$values) {
      return NULL;
    }

    // Get the number of values.
    $count = count($values);
    $i = -1;
    while (++$i < $count) {

      // Get each value.
      $values[$i] = (string) $values[$i][0];
    }

    // Return values.
    return $count == 1 ? $values[0] : $values;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
FeedImportConfigurable::$options	protected	property
FeedImportConfigurable::cleanLines	public static	function	Helper function to get lines of a string
FeedImportConfigurable::setOptions	public	function	Sets options for this instance	4
FeedImportReader::$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
FeedImportSimpleXPathReader::map	public	function	Returns a value mapped from obj by path. Overrides FeedImportReader::map