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<?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_Gdata
 * @subpackage App
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/**
 * @see Zend_Gdata_App_Util
 */
require_once 'Zend/Gdata/App/Util.php';

/**
 * Abstract class for all XML elements
 *
 * @category   Zend
 * @package    Zend_Gdata
 * @subpackage App
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
abstract class Zend_Gdata_App_Base
{

/**
     * @var string The XML element name, including prefix if desired
     */
    protected $_rootElement = null;

/**
     * @var string The XML namespace prefix
     */
    protected $_rootNamespace = 'atom';

/**
     * @var string The XML namespace URI - takes precedence over lookup up the
     * corresponding URI for $_rootNamespace
     */
    protected $_rootNamespaceURI = null;

/**
     * @var array Leftover elements which were not handled
     */
    protected $_extensionElements = array();

/**
     * @var array Leftover attributes which were not handled
     */
    protected $_extensionAttributes = array();

/**
     * @var string XML child text node content
     */
    protected $_text = null;

/**
     * @var array Memoized results from calls to lookupNamespace() to avoid
     *      expensive calls to getGreatestBoundedValue(). The key is in the
     *      form 'prefix-majorVersion-minorVersion', and the value is the
     *      output from getGreatestBoundedValue().
     */
    protected static $_namespaceLookupCache = array();

/**
     * List of namespaces, as a three-dimensional array. The first dimension
     * represents the namespace prefix, the second dimension represents the
     * minimum major protocol version, and the third dimension is the minimum
     * minor protocol version. Null keys are NOT allowed.
     *
     * When looking up a namespace for a given prefix, the greatest version
     * number (both major and minor) which is less than the effective version
     * should be used.
     *
     * @see lookupNamespace()
     * @see registerNamespace()
     * @see registerAllNamespaces()
     * @var array
     */
   protected $_namespaces = array(
        'atom'      => array(
            1 => array(
                0 => 'http://www.w3.org/2005/Atom'
                )
            ),
        'app'       => array(
            1 => array(
                0 => 'http://purl.org/atom/app#'
                ),
            2 => array(
                0 => 'http://www.w3.org/2007/app'
                )
            )
        );

public function __construct()
    {
    }

/**
     * Returns the child text node of this element
     * This represents any raw text contained within the XML element
     *
     * @return string Child text node
     */
    public function getText($trim = true)
    {
        if ($trim) {
            return trim($this->_text);
        } else {
            return $this->_text;
        }
    }

/**
     * Sets the child text node of this element
     * This represents any raw text contained within the XML element
     *
     * @param string $value Child text node
     * @return Zend_Gdata_App_Base Returns an object of the same type as 'this' to provide a fluent interface.
     */
    public function setText($value)
    {
        $this->_text = $value;
        return $this;
    }

/**
     * Returns an array of all elements not matched to data model classes
     * during the parsing of the XML
     *
     * @return array All elements not matched to data model classes during parsing
     */
    public function getExtensionElements()
    {
        return $this->_extensionElements;
    }

/**
     * Sets an array of all elements not matched to data model classes
     * during the parsing of the XML.  This method can be used to add arbitrary
     * child XML elements to any data model class.
     *
     * @param array $value All extension elements
     * @return Zend_Gdata_App_Base Returns an object of the same type as 'this' to provide a fluent interface.
     */
    public function setExtensionElements($value)
    {
        $this->_extensionElements = $value;
        return $this;
    }

/**
     * Returns an array of all extension attributes not transformed into data
     * model properties during parsing of the XML.  Each element of the array
     * is a hashed array of the format:
     *     array('namespaceUri' => string, 'name' => string, 'value' => string);
     *
     * @return array All extension attributes
     */
    public function getExtensionAttributes()
    {
        return $this->_extensionAttributes;
    }

/**
     * Sets an array of all extension attributes not transformed into data
     * model properties during parsing of the XML.  Each element of the array
     * is a hashed array of the format:
     *     array('namespaceUri' => string, 'name' => string, 'value' => string);
     * This can be used to add arbitrary attributes to any data model element
     *
     * @param array $value All extension attributes
     * @return Zend_Gdata_App_Base Returns an object of the same type as 'this' to provide a fluent interface.
     */
    public function setExtensionAttributes($value)
    {
        $this->_extensionAttributes = $value;
        return $this;
    }

/**
     * Retrieves a DOMElement which corresponds to this element and all
     * child properties.  This is used to build an entry back into a DOM
     * and eventually XML text for sending to the server upon updates, or
     * for application storage/persistence.
     *
     * @param DOMDocument $doc The DOMDocument used to construct DOMElements
     * @return DOMElement The DOMElement representing this element and all
     * child properties.
     */
    public function getDOM($doc = null, $majorVersion = 1, $minorVersion = null)
    {
        if (is_null($doc)) {
            $doc = new DOMDocument('1.0', 'utf-8');
        }
        if ($this->_rootNamespaceURI != null) {
            $element = $doc->createElementNS($this->_rootNamespaceURI, $this->_rootElement);
        } elseif ($this->_rootNamespace !== null) {
            if (strpos($this->_rootElement, ':') === false) {
                $elementName = $this->_rootNamespace . ':' . $this->_rootElement;
            } else {
                $elementName = $this->_rootElement;
            }
            $element = $doc->createElementNS($this->lookupNamespace($this->_rootNamespace), $elementName);
        } else {
            $element = $doc->createElement($this->_rootElement);
        }
        if ($this->_text != null) {
            $element->appendChild($element->ownerDocument->createTextNode($this->_text));
        }
        foreach ($this->_extensionElements as $extensionElement) {
            $element->appendChild($extensionElement->getDOM($element->ownerDocument));
        }
        foreach ($this->_extensionAttributes as $attribute) {
            $element->setAttribute($attribute['name'], $attribute['value']);
        }
        return $element;
    }

/**
     * Given a child DOMNode, tries to determine how to map the data into
     * object instance members.  If no mapping is defined, Extension_Element
     * objects are created and stored in an array.
     *
     * @param DOMNode $child The DOMNode needed to be handled
     */
    protected function takeChildFromDOM($child)
    {
        if ($child->nodeType == XML_TEXT_NODE) {
            $this->_text = $child->nodeValue;
        } else {
            $extensionElement = new Zend_Gdata_App_Extension_Element();
            $extensionElement->transferFromDOM($child);
            $this->_extensionElements[] = $extensionElement;
        }
    }

/**
     * Given a DOMNode representing an attribute, tries to map the data into
     * instance members.  If no mapping is defined, the name and value are
     * stored in an array.
     *
     * @param DOMNode $attribute The DOMNode attribute needed to be handled
     */
    protected function takeAttributeFromDOM($attribute)
    {
        $arrayIndex = ($attribute->namespaceURI != '')?(
                $attribute->namespaceURI . ':' . $attribute->name):
                $attribute->name;
        $this->_extensionAttributes[$arrayIndex] =
                array('namespaceUri' => $attribute->namespaceURI,
                      'name' => $attribute->localName,
                      'value' => $attribute->nodeValue);
    }

/**
     * Transfers each child and attribute into member variables.
     * This is called when XML is received over the wire and the data
     * model needs to be built to represent this XML.
     *
     * @param DOMNode $node The DOMNode that represents this object's data
     */
    public function transferFromDOM($node)
    {
        foreach ($node->childNodes as $child) {
            $this->takeChildFromDOM($child);
        }
        foreach ($node->attributes as $attribute) {
            $this->takeAttributeFromDOM($attribute);
        }
    }

/**
     * Parses the provided XML text and generates data model classes for
     * each know element by turning the XML text into a DOM tree and calling
     * transferFromDOM($element).  The first data model element with the same
     * name as $this->_rootElement is used and the child elements are
     * recursively parsed.
     *
     * @param string $xml The XML text to parse
     */
    public function transferFromXML($xml)
    {
        if ($xml) {
            // Load the feed as an XML DOMDocument object
            @ini_set('track_errors', 1);
            $doc = new DOMDocument();
            $success = @$doc->loadXML($xml);
            @ini_restore('track_errors');
            if (!$success) {
                require_once 'Zend/Gdata/App/Exception.php';
                throw new Zend_Gdata_App_Exception("DOMDocument cannot parse XML: $php_errormsg");
            }
            $element = $doc->getElementsByTagName($this->_rootElement)->item(0);
            if (!$element) {
                require_once 'Zend/Gdata/App/Exception.php';
                throw new Zend_Gdata_App_Exception('No root <' . $this->_rootElement . '> element');
            }
            $this->transferFromDOM($element);
        } else {
            require_once 'Zend/Gdata/App/Exception.php';
            throw new Zend_Gdata_App_Exception('XML passed to transferFromXML cannot be null');
        }
    }

/**
     * Converts this element and all children into XML text using getDOM()
     *
     * @return string XML content
     */
    public function saveXML()
    {
        $element = $this->getDOM();
        return $element->ownerDocument->saveXML($element);
    }

/**
     * Alias for saveXML() returns XML content for this element and all
     * children
     *
     * @return string XML content
     */
    public function getXML()
    {
        return $this->saveXML();
    }

/**
     * Alias for saveXML()
     *
     * Can be overridden by children to provide more complex representations
     * of entries.
     *
     * @return string Encoded string content
     */
    public function encode()
    {
        return $this->saveXML();
    }

/**
     * Get the full version of a namespace prefix
     *
     * Looks up a prefix (atom:, etc.) in the list of registered
     * namespaces and returns the full namespace URI if
     * available. Returns the prefix, unmodified, if it's not
     * registered.
     *
     * @param string $prefix The namespace prefix to lookup.
     * @param integer $majorVersion The major protocol version in effect.
     *        Defaults to '1'.
     * @param integer $minorVersion The minor protocol version in effect.
     *        Defaults to null (use latest).
     * @return string
     */
    public function lookupNamespace($prefix,
                                    $majorVersion = 1,
                                    $minorVersion = null)
    {
        // Check for a memoized result
        $key = $prefix . ' ' .
               (is_null($majorVersion) ? 'NULL' : $majorVersion) .
               ' '. (is_null($minorVersion) ? 'NULL' : $minorVersion);
        if (array_key_exists($key, self::$_namespaceLookupCache))
          return self::$_namespaceLookupCache[$key];
        // If no match, return the prefix by default
        $result = $prefix;

// Find tuple of keys that correspond to the namespace we should use
        if (isset($this->_namespaces[$prefix])) {
            // Major version search
            $nsData = $this->_namespaces[$prefix];
            $foundMajorV = Zend_Gdata_App_Util::findGreatestBoundedValue(
                    $majorVersion, $nsData);
            // Minor version search
            $nsData = $nsData[$foundMajorV];
            $foundMinorV = Zend_Gdata_App_Util::findGreatestBoundedValue(
                    $minorVersion, $nsData);
            // Extract NS
            $result = $nsData[$foundMinorV];
        }

// Memoize result
        self::$_namespaceLookupCache[$key] = $result;

return $result;
    }

/**
     * Add a namespace and prefix to the registered list
     *
     * Takes a prefix and a full namespace URI and adds them to the
     * list of registered namespaces for use by
     * $this->lookupNamespace().
     *
     * WARNING: Currently, registering a namespace will NOT invalidate any
     *          memoized data stored in $_namespaceLookupCache. Under normal
     *          use, this behavior is acceptable. If you are adding
     *          contradictory data to the namespace lookup table, you must
     *          call flushNamespaceLookupCache().
     *
     * @param  string $prefix The namespace prefix
     * @param  string $namespaceUri The full namespace URI
     * @param integer $majorVersion The major protocol version in effect.
     *        Defaults to '1'.
     * @param integer $minorVersion The minor protocol version in effect.
     *        Defaults to null (use latest).
     * @return void
     */
    public function registerNamespace($prefix,
                                      $namespaceUri,
                                      $majorVersion = 1,
                                      $minorVersion = 0)
    {
        $this->_namespaces[$prefix][$majorVersion][$minorVersion] =
        $namespaceUri;
    }

/**
     * Flush namespace lookup cache.
     *
     * Empties the namespace lookup cache. Call this function if you have
     * added data to the namespace lookup table that contradicts values that
     * may have been cached during a previous call to lookupNamespace().
     */
    public static function flushNamespaceLookupCache()
    {
        self::$_namespaceLookupCache = array();
    }

/**
     * Add an array of namespaces to the registered list.
     *
     * Takes an array in the format of:
     * namespace prefix, namespace URI, major protocol version,
     * minor protocol version and adds them with calls to ->registerNamespace()
     *
     * @param array $namespaceArray An array of namespaces.
     * @return void
     */
    public function registerAllNamespaces($namespaceArray)
    {
        foreach($namespaceArray as $namespace) {
                $this->registerNamespace(
                    $namespace[0], $namespace[1], $namespace[2], $namespace[3]);
        }
    }

/**
     * Magic getter to allow access like $entry->foo to call $entry->getFoo()
     * Alternatively, if no getFoo() is defined, but a $_foo protected variable
     * is defined, this is returned.
     *
     * TODO Remove ability to bypass getFoo() methods??
     *
     * @param string $name The variable name sought
     */
    public function __get($name)
    {
        $method = 'get'.ucfirst($name);
        if (method_exists($this, $method)) {
            return call_user_func(array(&$this, $method));
        } else if (property_exists($this, "_${name}")) {
            return $this->{'_' . $name};
        } else {
            require_once 'Zend/Gdata/App/InvalidArgumentException.php';
            throw new Zend_Gdata_App_InvalidArgumentException(
                    'Property ' . $name . ' does not exist');
        }
    }

/**
     * Magic setter to allow acces like $entry->foo='bar' to call
     * $entry->setFoo('bar') automatically.
     *
     * Alternatively, if no setFoo() is defined, but a $_foo protected variable
     * is defined, this is returned.
     *
     * TODO Remove ability to bypass getFoo() methods??
     *
     * @param string $name
     * @param string $value
     */
    public function __set($name, $val)
    {
        $method = 'set'.ucfirst($name);
        if (method_exists($this, $method)) {
            return call_user_func(array(&$this, $method), $val);
        } else if (isset($this->{'_' . $name}) || is_null($this->{'_' . $name})) {
            $this->{'_' . $name} = $val;
        } else {
            require_once 'Zend/Gdata/App/InvalidArgumentException.php';
            throw new Zend_Gdata_App_InvalidArgumentException(
                    'Property ' . $name . '  does not exist');
        }
    }

/**
     * Magic __isset method
     *
     * @param string $name
     */
    public function __isset($name)
    {
        $rc = new ReflectionClass(get_class($this));
        $privName = '_' . $name;
        if (!($rc->hasProperty($privName))) {
            require_once 'Zend/Gdata/App/InvalidArgumentException.php';
            throw new Zend_Gdata_App_InvalidArgumentException(
                    'Property ' . $name . ' does not exist');
        } else {
            if (isset($this->{$privName})) {
                if (is_array($this->{$privName})) {
                    if (count($this->{$privName}) > 0) {
                        return true;
                    } else {
                        return false;
                    }
                } else {
                    return true;
                }
            } else {
                return false;
            }
        }
    }

/**
     * Magic __unset method
     *
     * @param string $name
     */
    public function __unset($name)
    {
        if (isset($this->{'_' . $name})) {
            if (is_array($this->{'_' . $name})) {
                $this->{'_' . $name} = array();
            } else {
                $this->{'_' . $name} = null;
            }
        }
    }

/**
     * Magic toString method allows using this directly via echo
     * Works best in PHP >= 4.2.0
     *
     * @return string The text representation of this object
     */
    public function __toString()
    {
        return $this->getText();
    }

}

Nama File / Folder	Size	Action
Extension	--	NONE
AuthException.php	1.201KB	Edit File Delete File Rename
BadMethodCallException.php	1.215KB	Edit File Delete File Rename
Base.php	19.388KB	Edit File Delete File Rename
BaseMediaSource.php	5.493KB	Edit File Delete File Rename
CaptchaRequiredException.php	2.719KB	Edit File Delete File Rename
Entry.php	11.594KB	Edit File Delete File Rename
Exception.php	1.175KB	Edit File Delete File Rename
Extension.php	1.125KB	Edit File Delete File Rename
Feed.php	9.819KB	Edit File Delete File Rename
FeedEntryParent.php	21.354KB	Edit File Delete File Rename
FeedSourceParent.php	7.488KB	Edit File Delete File Rename
IOException.php	1.213KB	Edit File Delete File Rename
InvalidArgumentException.php	1.209KB	Edit File Delete File Rename
LoggingHttpClientAdapterSocket.php	3.378KB	Edit File Delete File Rename
MediaEntry.php	3.565KB	Edit File Delete File Rename
MediaFileSource.php	4.001KB	Edit File Delete File Rename
MediaSource.php	2.203KB	Edit File Delete File Rename
Util.php	4.042KB	Edit File Delete File Rename
VersionException.php	1.217KB	Edit File Delete File Rename