187 lines
4.8 KiB
PHP
187 lines
4.8 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_View
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* @subpackage Helper
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @version $Id: Registry.php 16541 2009-07-07 06:59:03Z bkarwin $
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/** Zend_Registry */
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require_once 'Zend/Registry.php';
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/** Zend_View_Helper_Placeholder_Container_Abstract */
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require_once 'Zend/View/Helper/Placeholder/Container/Abstract.php';
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/** Zend_View_Helper_Placeholder_Container */
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require_once 'Zend/View/Helper/Placeholder/Container.php';
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/**
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* Registry for placeholder containers
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*
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* @package Zend_View
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* @subpackage Helper
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_View_Helper_Placeholder_Registry
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{
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/**
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* Zend_Registry key under which placeholder registry exists
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* @const string
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*/
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const REGISTRY_KEY = 'Zend_View_Helper_Placeholder_Registry';
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/**
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* Default container class
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* @var string
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*/
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protected $_containerClass = 'Zend_View_Helper_Placeholder_Container';
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/**
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* Placeholder containers
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* @var array
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*/
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protected $_items = array();
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/**
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* Retrieve or create registry instnace
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*
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* @return void
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*/
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public static function getRegistry()
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{
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if (Zend_Registry::isRegistered(self::REGISTRY_KEY)) {
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$registry = Zend_Registry::get(self::REGISTRY_KEY);
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} else {
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$registry = new self();
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Zend_Registry::set(self::REGISTRY_KEY, $registry);
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}
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return $registry;
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}
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/**
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* createContainer
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*
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* @param string $key
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* @param array $value
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* @return Zend_View_Helper_Placeholder_Container_Abstract
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*/
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public function createContainer($key, array $value = array())
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{
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$key = (string) $key;
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$this->_items[$key] = new $this->_containerClass(array());
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return $this->_items[$key];
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}
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/**
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* Retrieve a placeholder container
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*
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* @param string $key
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* @return Zend_View_Helper_Placeholder_Container_Abstract
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*/
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public function getContainer($key)
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{
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$key = (string) $key;
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if (isset($this->_items[$key])) {
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return $this->_items[$key];
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}
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$container = $this->createContainer($key);
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return $container;
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}
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/**
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* Does a particular container exist?
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*
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* @param string $key
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* @return bool
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*/
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public function containerExists($key)
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{
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$key = (string) $key;
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$return = array_key_exists($key, $this->_items);
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return $return;
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}
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/**
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* Set the container for an item in the registry
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*
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* @param string $key
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* @param Zend_View_Placeholder_Container_Abstract $container
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* @return Zend_View_Placeholder_Registry
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*/
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public function setContainer($key, Zend_View_Helper_Placeholder_Container_Abstract $container)
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{
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$key = (string) $key;
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$this->_items[$key] = $container;
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return $this;
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}
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/**
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* Delete a container
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*
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* @param string $key
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* @return bool
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*/
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public function deleteContainer($key)
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{
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$key = (string) $key;
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if (isset($this->_items[$key])) {
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unset($this->_items[$key]);
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return true;
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}
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return false;
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}
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/**
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* Set the container class to use
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*
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* @param string $name
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* @return Zend_View_Helper_Placeholder_Registry
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*/
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public function setContainerClass($name)
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{
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if (!class_exists($name)) {
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require_once 'Zend/Loader.php';
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Zend_Loader::loadClass($name);
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}
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$reflection = new ReflectionClass($name);
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if (!$reflection->isSubclassOf(new ReflectionClass('Zend_View_Helper_Placeholder_Container_Abstract'))) {
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require_once 'Zend/View/Helper/Placeholder/Registry/Exception.php';
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throw new Zend_View_Helper_Placeholder_Registry_Exception('Invalid Container class specified');
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}
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$this->_containerClass = $name;
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return $this;
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}
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/**
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* Retrieve the container class
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*
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* @return string
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*/
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public function getContainerClass()
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{
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return $this->_containerClass;
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}
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}
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