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import v1.0.0-RC4 | 2009-05-20

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124
libs/Zend/Feed/Entry/Abstract.php Normal file
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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_Feed
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Abstract.php 10383 2008-07-24 19:46:15Z matthew $
*/
/**
* @see Zend_Feed
*/
require_once 'Zend/Feed.php';
/**
* @see Zend_Feed_Element
*/
require_once 'Zend/Feed/Element.php';
/**
* Zend_Feed_Entry_Abstract represents a single entry in an Atom or RSS
* feed.
*
* @category Zend
* @package Zend_Feed
* @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_Feed_Entry_Abstract extends Zend_Feed_Element
{
/**
* Root XML element for entries. Subclasses must define this to a
* non-null value.
*
* @var string
*/
protected $_rootElement;
/**
* Root namespace for entries. Subclasses may define this to a
* non-null value.
*
* @var string
*/
protected $_rootNamespace = null;
/**
* Zend_Feed_Entry_Abstract constructor
*
* The Zend_Feed_Entry_Abstract constructor takes the URI of the feed the entry
* is part of, and optionally an XML construct (usually a
* SimpleXMLElement, but it can be an XML string or a DOMNode as
* well) that contains the contents of the entry.
*
* @param string $uri
* @param SimpleXMLElement|DOMNode|string $element
* @return void
* @throws Zend_Feed_Exception
*/
public function __construct($uri = null, $element = null)
{
if (!($element instanceof DOMElement)) {
if ($element) {
// Load the feed as an XML DOMDocument object
@ini_set('track_errors', 1);
$doc = new DOMDocument();
$status = @$doc->loadXML($element);
@ini_restore('track_errors');
if (!$status) {
// prevent the class to generate an undefined variable notice (ZF-2590)
if (!isset($php_errormsg)) {
if (function_exists('xdebug_is_enabled')) {
$php_errormsg = '(error message not available, when XDebug is running)';
} else {
$php_errormsg = '(error message not available)';
}
}
/**
* @see Zend_Feed_Exception
*/
require_once 'Zend/Feed/Exception.php';
throw new Zend_Feed_Exception("DOMDocument cannot parse XML: $php_errormsg");
}
$element = $doc->getElementsByTagName($this->_rootElement)->item(0);
if (!$element) {
/**
* @see Zend_Feed_Exception
*/
require_once 'Zend/Feed/Exception.php';
throw new Zend_Feed_Exception('No root <' . $this->_rootElement . '> element found, cannot parse feed.');
}
} else {
$doc = new DOMDocument('1.0', 'utf-8');
if ($this->_rootNamespace !== null) {
$element = $doc->createElementNS(Zend_Feed::lookupNamespace($this->_rootNamespace), $this->_rootElement);
} else {
$element = $doc->createElement($this->_rootElement);
}
}
}
parent::__construct($element);
}
}

274
libs/Zend/Feed/Entry/Atom.php Normal file
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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_Feed
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Atom.php 10383 2008-07-24 19:46:15Z matthew $
*/
/**
* @see Zend_Feed_Entry_Abstract
*/
require_once 'Zend/Feed/Entry/Abstract.php';
/**
* Concrete class for working with Atom entries.
*
* @category Zend
* @package Zend_Feed
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Feed_Entry_Atom extends Zend_Feed_Entry_Abstract
{
/**
* Root XML element for Atom entries.
*
* @var string
*/
protected $_rootElement = 'entry';
/**
* Root namespace for Atom entries.
*
* @var string
*/
protected $_rootNamespace = 'atom';
/**
* Delete an atom entry.
*
* Delete tries to delete this entry from its feed. If the entry
* does not contain a link rel="edit", we throw an error (either
* the entry does not yet exist or this is not an editable
* feed). If we have a link rel="edit", we do the empty-body
* HTTP DELETE to that URI and check for a response of 2xx.
* Usually the response would be 204 No Content, but the Atom
* Publishing Protocol permits it to be 200 OK.
*
* @return void
* @throws Zend_Feed_Exception
*/
public function delete()
{
// Look for link rel="edit" in the entry object.
$deleteUri = $this->link('edit');
if (!$deleteUri) {
/**
* @see Zend_Feed_Exception
*/
require_once 'Zend/Feed/Exception.php';
throw new Zend_Feed_Exception('Cannot delete entry; no link rel="edit" is present.');
}
// DELETE
$client = Zend_Feed::getHttpClient();
do {
$client->setUri($deleteUri);
if (Zend_Feed::getHttpMethodOverride()) {
$client->setHeader('X-HTTP-Method-Override', 'DELETE');
$response = $client->request('POST');
} else {
$response = $client->request('DELETE');
}
$httpStatus = $response->getStatus();
switch ((int) $httpStatus / 100) {
// Success
case 2:
return true;
// Redirect
case 3:
$deleteUri = $response->getHeader('Location');
continue;
// Error
default:
/**
* @see Zend_Feed_Exception
*/
require_once 'Zend/Feed/Exception.php';
throw new Zend_Feed_Exception("Expected response code 2xx, got $httpStatus");
}
} while (true);
}
/**
* Save a new or updated Atom entry.
*
* Save is used to either create new entries or to save changes to
* existing ones. If we have a link rel="edit", we are changing
* an existing entry. In this case we re-serialize the entry and
* PUT it to the edit URI, checking for a 200 OK result.
*
* For posting new entries, you must specify the $postUri
* parameter to save() to tell the object where to post itself.
* We use $postUri and POST the serialized entry there, checking
* for a 201 Created response. If the insert is successful, we
* then parse the response from the POST to get any values that
* the server has generated: an id, an updated time, and its new
* link rel="edit".
*
* @param string $postUri Location to POST for creating new entries.
* @return void
* @throws Zend_Feed_Exception
*/
public function save($postUri = null)
{
if ($this->id()) {
// If id is set, look for link rel="edit" in the
// entry object and PUT.
$editUri = $this->link('edit');
if (!$editUri) {
/**
* @see Zend_Feed_Exception
*/
require_once 'Zend/Feed/Exception.php';
throw new Zend_Feed_Exception('Cannot edit entry; no link rel="edit" is present.');
}
$client = Zend_Feed::getHttpClient();
$client->setUri($editUri);
if (Zend_Feed::getHttpMethodOverride()) {
$client->setHeaders(array('X-HTTP-Method-Override: PUT',
'Content-Type: application/atom+xml'));
$client->setRawData($this->saveXML());
$response = $client->request('POST');
} else {
$client->setHeaders('Content-Type', 'application/atom+xml');
$client->setRawData($this->saveXML());
$response = $client->request('PUT');
}
if ($response->getStatus() !== 200) {
/**
* @see Zend_Feed_Exception
*/
require_once 'Zend/Feed/Exception.php';
throw new Zend_Feed_Exception('Expected response code 200, got ' . $response->getStatus());
}
} else {
if ($postUri === null) {
/**
* @see Zend_Feed_Exception
*/
require_once 'Zend/Feed/Exception.php';
throw new Zend_Feed_Exception('PostURI must be specified to save new entries.');
}
$client = Zend_Feed::getHttpClient();
$client->setUri($postUri);
$client->setRawData($this->saveXML());
$response = $client->request('POST');
if ($response->getStatus() !== 201) {
/**
* @see Zend_Feed_Exception
*/
require_once 'Zend/Feed/Exception.php';
throw new Zend_Feed_Exception('Expected response code 201, got '
. $response->getStatus());
}
}
// Update internal properties using $client->responseBody;
@ini_set('track_errors', 1);
$newEntry = new DOMDocument;
$status = @$newEntry->loadXML($response->getBody());
@ini_restore('track_errors');
if (!$status) {
// prevent the class to generate an undefined variable notice (ZF-2590)
if (!isset($php_errormsg)) {
if (function_exists('xdebug_is_enabled')) {
$php_errormsg = '(error message not available, when XDebug is running)';
} else {
$php_errormsg = '(error message not available)';
}
}
/**
* @see Zend_Feed_Exception
*/
require_once 'Zend/Feed/Exception.php';
throw new Zend_Feed_Exception('XML cannot be parsed: ' . $php_errormsg);
}
$newEntry = $newEntry->getElementsByTagName($this->_rootElement)->item(0);
if (!$newEntry) {
/**
* @see Zend_Feed_Exception
*/
require_once 'Zend/Feed/Exception.php';
throw new Zend_Feed_Exception('No root <feed> element found in server response:'
. "\n\n" . $client->responseBody);
}
if ($this->_element->parentNode) {
$oldElement = $this->_element;
$this->_element = $oldElement->ownerDocument->importNode($newEntry, true);
$oldElement->parentNode->replaceChild($this->_element, $oldElement);
} else {
$this->_element = $newEntry;
}
}
/**
* Easy access to <link> tags keyed by "rel" attributes.
*
* If $elt->link() is called with no arguments, we will attempt to
* return the value of the <link> tag(s) like all other
* method-syntax attribute access. If an argument is passed to
* link(), however, then we will return the "href" value of the
* first <link> tag that has a "rel" attribute matching $rel:
*
* $elt->link(): returns the value of the link tag.
* $elt->link('self'): returns the href from the first <link rel="self"> in the entry.
*
* @param string $rel The "rel" attribute to look for.
* @return mixed
*/
public function link($rel = null)
{
if ($rel === null) {
return parent::__call('link', null);
}
// index link tags by their "rel" attribute.
$links = parent::__get('link');
if (!is_array($links)) {
if ($links instanceof Zend_Feed_Element) {
$links = array($links);
} else {
return $links;
}
}
foreach ($links as $link) {
if (empty($link['rel'])) {
continue;
}
if ($rel == $link['rel']) {
return $link['href'];
}
}
return null;
}
}

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libs/Zend/Feed/Entry/Rss.php Normal file
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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_Feed
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Rss.php 8064 2008-02-16 10:58:39Z thomas $
*/
/**
* @see Zend_Feed_Entry_Abstract
*/
require_once 'Zend/Feed/Entry/Abstract.php';
/**
* Concrete class for working with RSS items.
*
* @category Zend
* @package Zend_Feed
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Feed_Entry_Rss extends Zend_Feed_Entry_Abstract
{
/**
* Root XML element for RSS items.
*
* @var string
*/
protected $_rootElement = 'item';
/**
* Overwrites parent::_get method to enable read access
* to content:encoded element.
*
* @param string $var The property to access.
* @return mixed
*/
public function __get($var)
{
switch ($var) {
case 'content':
$prefix = $this->_element->lookupPrefix('http://purl.org/rss/1.0/modules/content/');
return parent::__get("$prefix:encoded");
default:
return parent::__get($var);
}
}
/**
* Overwrites parent::_set method to enable write access
* to content:encoded element.
*
* @param string $var The property to change.
* @param string $val The property's new value.
* @return void
*/
public function __set($var, $value)
{
switch ($var) {
case 'content':
parent::__set('content:encoded', $value);
break;
default:
parent::__set($var, $value);
}
}
/**
* Overwrites parent::_isset method to enable access
* to content:encoded element.
*
* @param string $var
* @return boolean
*/
public function __isset($var)
{
switch ($var) {
case 'content':
// don't use other callback to prevent invalid returned value
return $this->content() !== null;
default:
return parent::__isset($var);
}
}
/**
* Overwrites parent::_call method to enable read access
* to content:encoded element.
* Please note that method-style write access is not currently supported
* by parent method, consequently this method doesn't as well.
*
* @param string $var The element to get the string value of.
* @param mixed $unused This parameter is not used.
* @return mixed The node's value, null, or an array of nodes.
*/
public function __call($var, $unused)
{
switch ($var) {
case 'content':
$prefix = $this->_element->lookupPrefix('http://purl.org/rss/1.0/modules/content/');
return parent::__call("$prefix:encoded", $unused);
default:
return parent::__call($var, $unused);
}
}
}