web/enmi/Zend/Feed/Reader/EntryAbstract.php
changeset 19 1c2f13fd785c
parent 0 4eba9c11703f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/enmi/Zend/Feed/Reader/EntryAbstract.php	Thu Jan 20 19:30:54 2011 +0100
@@ -0,0 +1,238 @@
+<?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: EntryAbstract.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @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_EntryAbstract
+{
+    /**
+     * Feed entry data
+     *
+     * @var array
+     */
+    protected $_data = array();
+
+    /**
+     * DOM document object
+     *
+     * @var DOMDocument
+     */
+    protected $_domDocument = null;
+
+    /**
+     * Entry instance
+     *
+     * @var Zend_Feed_Entry_Interface
+     */
+    protected $_entry = null;
+
+    /**
+     * Pointer to the current entry
+     *
+     * @var int
+     */
+    protected $_entryKey = 0;
+
+    /**
+     * XPath object
+     *
+     * @var DOMXPath
+     */
+    protected $_xpath = null;
+
+    /**
+     * Registered extensions
+     *
+     * @var array
+     */
+    protected $_extensions = array();
+
+    /**
+     * Constructor
+     *
+     * @param  DOMElement $entry
+     * @param  int $entryKey
+     * @param  string $type
+     * @return void
+     */
+    public function __construct(DOMElement $entry, $entryKey, $type = null)
+    {
+        $this->_entry       = $entry;
+        $this->_entryKey    = $entryKey;
+        $this->_domDocument = $entry->ownerDocument;
+        if ($type !== null) {
+            $this->_data['type'] = $type;
+        } else {
+            $this->_data['type'] = Zend_Feed_Reader::detectType($feed);
+        }
+        $this->_loadExtensions();
+    }
+
+    /**
+     * Get the DOM
+     *
+     * @return DOMDocument
+     */
+    public function getDomDocument()
+    {
+        return $this->_domDocument;
+    }
+
+    /**
+     * Get the entry element
+     *
+     * @return DOMElement
+     */
+    public function getElement()
+    {
+        return $this->_entry;
+    }
+
+    /**
+     * Get the Entry's encoding
+     *
+     * @return string
+     */
+    public function getEncoding()
+    {
+        $assumed = $this->getDomDocument()->encoding;
+        if (empty($assumed)) {
+            $assumed = 'UTF-8';
+        }
+        return $assumed;
+    }
+
+    /**
+     * Get entry as xml
+     *
+     * @return string
+     */
+    public function saveXml()
+    {
+        $dom = new DOMDocument('1.0', $this->getEncoding());
+        $entry = $dom->importNode($this->getElement(), true);
+        $dom->appendChild($entry);
+        return $dom->saveXml();
+    }
+
+    /**
+     * Get the entry type
+     *
+     * @return string
+     */
+    public function getType()
+    {
+        return $this->_data['type'];
+    }
+
+    /**
+     * Get the XPath query object
+     *
+     * @return DOMXPath
+     */
+    public function getXpath()
+    {
+        if (!$this->_xpath) {
+            $this->setXpath(new DOMXPath($this->getDomDocument()));
+        }
+        return $this->_xpath;
+    }
+
+    /**
+     * Set the XPath query
+     *
+     * @param  DOMXPath $xpath
+     * @return Zend_Feed_Reader_Entry_EntryAbstract
+     */
+    public function setXpath(DOMXPath $xpath)
+    {
+        $this->_xpath = $xpath;
+        return $this;
+    }
+
+    /**
+     * Get registered extensions
+     *
+     * @return array
+     */
+    public function getExtensions()
+    {
+        return $this->_extensions;
+    }
+
+    /**
+     * Return an Extension object with the matching name (postfixed with _Entry)
+     *
+     * @param string $name
+     * @return Zend_Feed_Reader_Extension_EntryAbstract
+     */
+    public function getExtension($name)
+    {
+        if (array_key_exists($name . '_Entry', $this->_extensions)) {
+            return $this->_extensions[$name . '_Entry'];
+        }
+        return null;
+    }
+
+    /**
+     * Method overloading: call given method on first extension implementing it
+     *
+     * @param  string $method
+     * @param  array $args
+     * @return mixed
+     * @throws Zend_Feed_Exception if no extensions implements the method
+     */
+    public function __call($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');
+    }
+
+    /**
+     * Load extensions from Zend_Feed_Reader
+     *
+     * @return void
+     */
+    protected function _loadExtensions()
+    {
+        $all = Zend_Feed_Reader::getExtensions();
+        $feed = $all['entry'];
+        foreach ($feed as $extension) {
+            if (in_array($extension, $all['core'])) {
+                continue;
+            }
+            $className = Zend_Feed_Reader::getPluginLoader()->getClassName($extension);
+            $this->_extensions[$extension] = new $className(
+                $this->getElement(), $this->_entryKey, $this->_data['type']
+            );
+        }
+    }
+}