--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Feed/Reader/FeedAbstract.php Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,321 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Feed_Reader
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: FeedAbstract.php 22092 2010-05-04 12:50:51Z padraic $
+ */
+
+/**
+ * @see Zend_Feed_Reader
+ */
+require_once 'Zend/Feed/Reader.php';
+
+/**
+ * @see Zend_feed_Reader_FeedInterface
+ */
+require_once 'Zend/Feed/Reader/FeedInterface.php';
+
+/**
+ * @category Zend
+ * @package Zend_Feed_Reader
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+abstract class Zend_Feed_Reader_FeedAbstract implements Zend_Feed_Reader_FeedInterface
+{
+ /**
+ * Parsed feed data
+ *
+ * @var array
+ */
+ protected $_data = array();
+
+ /**
+ * Parsed feed data in the shape of a DOMDocument
+ *
+ * @var DOMDocument
+ */
+ protected $_domDocument = null;
+
+ /**
+ * An array of parsed feed entries
+ *
+ * @var array
+ */
+ protected $_entries = array();
+
+ /**
+ * A pointer for the iterator to keep track of the entries array
+ *
+ * @var int
+ */
+ protected $_entriesKey = 0;
+
+ /**
+ * The base XPath query used to retrieve feed data
+ *
+ * @var DOMXPath
+ */
+ protected $_xpath = null;
+
+ /**
+ * Array of loaded extensions
+ *
+ * @var array
+ */
+ protected $_extensions = array();
+
+ /**
+ * Original Source URI (set if imported from a URI)
+ *
+ * @var string
+ */
+ protected $_originalSourceUri = null;
+
+ /**
+ * Constructor
+ *
+ * @param DomDocument The DOM object for the feed's XML
+ * @param string $type Feed type
+ */
+ public function __construct(DomDocument $domDocument, $type = null)
+ {
+ $this->_domDocument = $domDocument;
+ $this->_xpath = new DOMXPath($this->_domDocument);
+
+ if ($type !== null) {
+ $this->_data['type'] = $type;
+ } else {
+ $this->_data['type'] = Zend_Feed_Reader::detectType($this->_domDocument);
+ }
+ $this->_registerNamespaces();
+ $this->_indexEntries();
+ $this->_loadExtensions();
+ }
+
+ /**
+ * Set an original source URI for the feed being parsed. This value
+ * is returned from getFeedLink() method if the feed does not carry
+ * a self-referencing URI.
+ *
+ * @param string $uri
+ */
+ public function setOriginalSourceUri($uri)
+ {
+ $this->_originalSourceUri = $uri;
+ }
+
+ /**
+ * Get an original source URI for the feed being parsed. Returns null if
+ * unset or the feed was not imported from a URI.
+ *
+ * @return string|null
+ */
+ public function getOriginalSourceUri()
+ {
+ return $this->_originalSourceUri;
+ }
+
+ /**
+ * Get the number of feed entries.
+ * Required by the Iterator interface.
+ *
+ * @return int
+ */
+ public function count()
+ {
+ return count($this->_entries);
+ }
+
+ /**
+ * Return the current entry
+ *
+ * @return Zend_Feed_Reader_EntryInterface
+ */
+ public function current()
+ {
+ if (substr($this->getType(), 0, 3) == 'rss') {
+ $reader = new Zend_Feed_Reader_Entry_Rss($this->_entries[$this->key()], $this->key(), $this->getType());
+ } else {
+ $reader = new Zend_Feed_Reader_Entry_Atom($this->_entries[$this->key()], $this->key(), $this->getType());
+ }
+
+ $reader->setXpath($this->_xpath);
+
+ return $reader;
+ }
+
+ /**
+ * Get the DOM
+ *
+ * @return DOMDocument
+ */
+ public function getDomDocument()
+ {
+ return $this->_domDocument;
+ }
+
+ /**
+ * Get the Feed's encoding
+ *
+ * @return string
+ */
+ public function getEncoding()
+ {
+ $assumed = $this->getDomDocument()->encoding;
+ if (empty($assumed)) {
+ $assumed = 'UTF-8';
+ }
+ return $assumed;
+ }
+
+ /**
+ * Get feed as xml
+ *
+ * @return string
+ */
+ public function saveXml()
+ {
+ return $this->getDomDocument()->saveXml();
+ }
+
+ /**
+ * Get the DOMElement representing the items/feed element
+ *
+ * @return DOMElement
+ */
+ public function getElement()
+ {
+ return $this->getDomDocument()->documentElement;
+ }
+
+ /**
+ * Get the DOMXPath object for this feed
+ *
+ * @return DOMXPath
+ */
+ public function getXpath()
+ {
+ return $this->_xpath;
+ }
+
+ /**
+ * Get the feed type
+ *
+ * @return string
+ */
+ public function getType()
+ {
+ return $this->_data['type'];
+ }
+
+ /**
+ * Return the current feed key
+ *
+ * @return unknown
+ */
+ public function key()
+ {
+ return $this->_entriesKey;
+ }
+
+ /**
+ * Move the feed pointer forward
+ *
+ */
+ public function next()
+ {
+ ++$this->_entriesKey;
+ }
+
+ /**
+ * Reset the pointer in the feed object
+ *
+ */
+ public function rewind()
+ {
+ $this->_entriesKey = 0;
+ }
+
+ /**
+ * Check to see if the iterator is still valid
+ *
+ * @return boolean
+ */
+ public function valid()
+ {
+ return 0 <= $this->_entriesKey && $this->_entriesKey < $this->count();
+ }
+
+ public function getExtensions()
+ {
+ return $this->_extensions;
+ }
+
+ public function __call($method, $args)
+ {
+ foreach ($this->_extensions as $extension) {
+ if (method_exists($extension, $method)) {
+ return call_user_func_array(array($extension, $method), $args);
+ }
+ }
+ require_once 'Zend/Feed/Exception.php';
+ throw new Zend_Feed_Exception('Method: ' . $method
+ . 'does not exist and could not be located on a registered Extension');
+ }
+
+ /**
+ * Return an Extension object with the matching name (postfixed with _Feed)
+ *
+ * @param string $name
+ * @return Zend_Feed_Reader_Extension_FeedAbstract
+ */
+ public function getExtension($name)
+ {
+ if (array_key_exists($name . '_Feed', $this->_extensions)) {
+ return $this->_extensions[$name . '_Feed'];
+ }
+ return null;
+ }
+
+ protected function _loadExtensions()
+ {
+ $all = Zend_Feed_Reader::getExtensions();
+ $feed = $all['feed'];
+ foreach ($feed as $extension) {
+ if (in_array($extension, $all['core'])) {
+ continue;
+ }
+ $className = Zend_Feed_Reader::getPluginLoader()->getClassName($extension);
+ $this->_extensions[$extension] = new $className(
+ $this->getDomDocument(), $this->_data['type'], $this->_xpath
+ );
+ }
+ }
+
+ /**
+ * Read all entries to the internal entries array
+ *
+ */
+ abstract protected function _indexEntries();
+
+ /**
+ * Register the default namespaces for the current feed format
+ *
+ */
+ abstract protected function _registerNamespaces();
+}