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File: tests/runnable/HTMLPurifier/HTMLPurifier/DefinitionCacheFactory.php

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File: tests/runnable/HTMLPurifier/HTMLPurifier/DefinitionCacheFactory.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: OPBE
Ogame probabilistic battle engine
Author: By
Last change:
Date: 2 years ago
Size: 2,805 bytes
 

Contents

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<?php

/**
 * Responsible for creating definition caches.
 */
class HTMLPurifier_DefinitionCacheFactory
{

    protected
$caches = array('Serializer' => array());
    protected
$implementations = array();
    protected
$decorators = array();

   
/**
     * Initialize default decorators
     */
   
public function setup() {
       
$this->addDecorator('Cleanup');
    }

   
/**
     * Retrieves an instance of global definition cache factory.
     */
   
public static function instance($prototype = null) {
        static
$instance;
        if (
$prototype !== null) {
           
$instance = $prototype;
        } elseif (
$instance === null || $prototype === true) {
           
$instance = new HTMLPurifier_DefinitionCacheFactory();
           
$instance->setup();
        }
        return
$instance;
    }

   
/**
     * Registers a new definition cache object
     * @param $short Short name of cache object, for reference
     * @param $long Full class name of cache object, for construction
     */
   
public function register($short, $long) {
       
$this->implementations[$short] = $long;
    }

   
/**
     * Factory method that creates a cache object based on configuration
     * @param $name Name of definitions handled by cache
     * @param $config Instance of HTMLPurifier_Config
     */
   
public function create($type, $config) {
       
$method = $config->get('Cache.DefinitionImpl');
        if (
$method === null) {
            return new
HTMLPurifier_DefinitionCache_Null($type);
        }
        if (!empty(
$this->caches[$method][$type])) {
            return
$this->caches[$method][$type];
        }
        if (
          isset(
$this->implementations[$method]) &&
         
class_exists($class = $this->implementations[$method], false)
        ) {
           
$cache = new $class($type);
        } else {
            if (
$method != 'Serializer') {
               
trigger_error("Unrecognized DefinitionCache $method, using Serializer instead", E_USER_WARNING);
            }
           
$cache = new HTMLPurifier_DefinitionCache_Serializer($type);
        }
        foreach (
$this->decorators as $decorator) {
           
$new_cache = $decorator->decorate($cache);
           
// prevent infinite recursion in PHP 4
           
unset($cache);
           
$cache = $new_cache;
        }
       
$this->caches[$method][$type] = $cache;
        return
$this->caches[$method][$type];
    }

   
/**
     * Registers a decorator to add to all new cache objects
     * @param
     */
   
public function addDecorator($decorator) {
        if (
is_string($decorator)) {
           
$class = "HTMLPurifier_DefinitionCache_Decorator_$decorator";
           
$decorator = new $class;
        }
       
$this->decorators[$decorator->name] = $decorator;
    }

}

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