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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_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @version $Id: Standalone.php 18951 2009-11-12 16:26:19Z alexander $
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_View_Helper_Placeholder_Registry */
require_once 'Zend/View/Helper/Placeholder/Registry.php';
/** Zend_View_Helper_Abstract.php */
require_once 'Zend/View/Helper/Abstract.php';
/**
* Base class for targetted placeholder helpers
*
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_View_Helper_Placeholder_Container_Standalone extends Zend_View_Helper_Abstract implements IteratorAggregate, Countable, ArrayAccess
{
/**
* @var Zend_View_Helper_Placeholder_Container_Abstract
*/
protected $_container;
/**
* @var Zend_View_Helper_Placeholder_Registry
*/
protected $_registry;
/**
* Registry key under which container registers itself
* @var string
*/
protected $_regKey;
/**
* Flag wheter to automatically escape output, must also be
* enforced in the child class if __toString/toString is overriden
* @var book
*/
protected $_autoEscape = true;
/**
* Constructor
*
* @return void
*/
public function __construct()
{
$this->setRegistry(Zend_View_Helper_Placeholder_Registry::getRegistry());
$this->setContainer($this->getRegistry()->getContainer($this->_regKey));
}
/**
* Retrieve registry
*
* @return Zend_View_Helper_Placeholder_Registry
*/
public function getRegistry()
{
return $this->_registry;
}
/**
* Set registry object
*
* @param Zend_View_Helper_Placeholder_Registry $registry
* @return Zend_View_Helper_Placeholder_Container_Standalone
*/
public function setRegistry(Zend_View_Helper_Placeholder_Registry $registry)
{
$this->_registry = $registry;
return $this;
}
/**
* Set whether or not auto escaping should be used
*
* @param bool $autoEscape whether or not to auto escape output
* @return Zend_View_Helper_Placeholder_Container_Standalone
*/
public function setAutoEscape($autoEscape = true)
{
$this->_autoEscape = ($autoEscape) ? true : false;
return $this;
}
/**
* Return whether autoEscaping is enabled or disabled
*
* return bool
*/
public function getAutoEscape()
{
return $this->_autoEscape;
}
/**
* Escape a string
*
* @param string $string
* @return string
*/
protected function _escape($string)
{
if ($this->view instanceof Zend_View_Interface) {
return $this->view->escape($string);
}
return htmlentities((string) $string, null, 'UTF-8');
}
/**
* Set container on which to operate
*
* @param Zend_View_Helper_Placeholder_Container_Abstract $container
* @return Zend_View_Helper_Placeholder_Container_Standalone
*/
public function setContainer(Zend_View_Helper_Placeholder_Container_Abstract $container)
{
$this->_container = $container;
return $this;
}
/**
* Retrieve placeholder container
*
* @return Zend_View_Helper_Placeholder_Container_Abstract
*/
public function getContainer()
{
return $this->_container;
}
/**
* Overloading: set property value
*
* @param string $key
* @param mixed $value
* @return void
*/
public function __set($key, $value)
{
$container = $this->getContainer();
$container[$key] = $value;
}
/**
* Overloading: retrieve property
*
* @param string $key
* @return mixed
*/
public function __get($key)
{
$container = $this->getContainer();
if (isset($container[$key])) {
return $container[$key];
}
return null;
}
/**
* Overloading: check if property is set
*
* @param string $key
* @return bool
*/
public function __isset($key)
{
$container = $this->getContainer();
return isset($container[$key]);
}
/**
* Overloading: unset property
*
* @param string $key
* @return void
*/
public function __unset($key)
{
$container = $this->getContainer();
if (isset($container[$key])) {
unset($container[$key]);
}
}
/**
* Overload
*
* Proxy to container methods
*
* @param string $method
* @param array $args
* @return mixed
*/
public function __call($method, $args)
{
$container = $this->getContainer();
if (method_exists($container, $method)) {
$return = call_user_func_array(array($container, $method), $args);
if ($return === $container) {
// If the container is returned, we really want the current object
return $this;
}
return $return;
}
require_once 'Zend/View/Exception.php';
throw new Zend_View_Exception('Method "' . $method . '" does not exist');
}
/**
* String representation
*
* @return string
*/
public function toString()
{
return $this->getContainer()->toString();
}
/**
* Cast to string representation
*
* @return string
*/
public function __toString()
{
return $this->toString();
}
/**
* Countable
*
* @return int
*/
public function count()
{
$container = $this->getContainer();
return count($container);
}
/**
* ArrayAccess: offsetExists
*
* @param string|int $offset
* @return bool
*/
public function offsetExists($offset)
{
return $this->getContainer()->offsetExists($offset);
}
/**
* ArrayAccess: offsetGet
*
* @param string|int $offset
* @return mixed
*/
public function offsetGet($offset)
{
return $this->getContainer()->offsetGet($offset);
}
/**
* ArrayAccess: offsetSet
*
* @param string|int $offset
* @param mixed $value
* @return void
*/
public function offsetSet($offset, $value)
{
return $this->getContainer()->offsetSet($offset, $value);
}
/**
* ArrayAccess: offsetUnset
*
* @param string|int $offset
* @return void
*/
public function offsetUnset($offset)
{
return $this->getContainer()->offsetUnset($offset);
}
/**
* IteratorAggregate: get Iterator
*
* @return Iterator
*/
public function getIterator()
{
return $this->getContainer()->getIterator();
}
}
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