interface/modules/zend_modules/library/Zend/Feed/Reader/Feed/Atom/Source.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Feed\Reader\Feed\Atom;
  11
  12 use DOMElement;
  13 use DOMXPath;
  14 use Zend\Feed\Reader;
  15 use Zend\Feed\Reader\Feed;
  16
  17 /**
  18 */
  19 class Source extends Feed\Atom
  20 {
  21
  22     /**
  23      * Constructor: Create a Source object which is largely just a normal
  24      * Zend\Feed\Reader\AbstractFeed object only designed to retrieve feed level
  25      * metadata from an Atom entry's source element.
  26      *
  27      * @param DOMElement $source
  28      * @param string $xpathPrefix Passed from parent Entry object
  29      * @param string $type Nearly always Atom 1.0
  30      */
  31     public function __construct(DOMElement $source, $xpathPrefix, $type = Reader\Reader::TYPE_ATOM_10)
  32     {
  33         $this->domDocument = $source->ownerDocument;
  34         $this->xpath = new DOMXPath($this->domDocument);
  35         $this->data['type'] = $type;
  36         $this->registerNamespaces();
  37         $this->loadExtensions();
  38
  39         $manager = Reader\Reader::getExtensionManager();
  40         $extensions = array('Atom\Feed', 'DublinCore\Feed');
  41
  42         foreach ($extensions as $name) {
  43             $extension = $manager->get($name);
  44             $extension->setDomDocument($this->domDocument);
  45             $extension->setType($this->data['type']);
  46             $extension->setXpath($this->xpath);
  47             $this->extensions[$name] = $extension;
  48         }
  49
  50         foreach ($this->extensions as $extension) {
  51             $extension->setXpathPrefix(rtrim($xpathPrefix, '/') . '/atom:source');
  52         }
  53     }
  54
  55     /**
  56      * Since this is not an Entry carrier but a vehicle for Feed metadata, any
  57      * applicable Entry methods are stubbed out and do nothing.
  58      */
  59
  60     /**
  61      * @return void
  62      */
  63     public function count() {}
  64
  65     /**
  66      * @return void
  67      */
  68     public function current() {}
  69
  70     /**
  71      * @return void
  72      */
  73     public function key() {}
  74
  75     /**
  76      * @return void
  77      */
  78     public function next() {}
  79
  80     /**
  81      * @return void
  82      */
  83     public function rewind() {}
  84
  85     /**
  86      * @return void
  87      */
  88     public function valid() {}
  89
  90     /**
  91      * @return void
  92      */
  93     protected function indexEntries() {}
  94 }