library/Zend/Markup.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Markup
  17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version    $Id$
  20  */
  21
  22 /**
  23  * @see Zend_Loader_PluginLoader
  24  */
  25 require_once 'Zend/Loader/PluginLoader.php';
  26
  27 /**
  28  * @category   Zend
  29  * @package    Zend_Markup
  30  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  31  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  32  */
  33 class Zend_Markup
  34 {
  35     const CALLBACK = 'callback';
  36     const REPLACE  = 'replace';
  37
  38
  39     /**
  40      * The parser loader
  41      *
  42      * @var Zend_Loader_PluginLoader
  43      */
  44     protected static $_parserLoader;
  45
  46     /**
  47      * The renderer loader
  48      *
  49      * @var Zend_Loader_PluginLoader
  50      */
  51     protected static $_rendererLoader;
  52
  53
  54     /**
  55      * Disable instantiation of Zend_Markup
  56      */
  57     private function __construct() { }
  58
  59     /**
  60      * Get the parser loader
  61      *
  62      * @return Zend_Loader_PluginLoader
  63      */
  64     public static function getParserLoader()
  65     {
  66         if (!(self::$_parserLoader instanceof Zend_Loader_PluginLoader)) {
  67             self::$_parserLoader = new Zend_Loader_PluginLoader(array(
  68                 'Zend_Markup_Parser' => 'Zend/Markup/Parser/',
  69             ));
  70         }
  71
  72         return self::$_parserLoader;
  73     }
  74
  75     /**
  76      * Get the renderer loader
  77      *
  78      * @return Zend_Loader_PluginLoader
  79      */
  80     public static function getRendererLoader()
  81     {
  82         if (!(self::$_rendererLoader instanceof Zend_Loader_PluginLoader)) {
  83             self::$_rendererLoader = new Zend_Loader_PluginLoader(array(
  84                 'Zend_Markup_Renderer' => 'Zend/Markup/Renderer/',
  85             ));
  86         }
  87
  88         return self::$_rendererLoader;
  89     }
  90
  91     /**
  92      * Add a parser path
  93      *
  94      * @param  string $prefix
  95      * @param  string $path
  96      * @return Zend_Loader_PluginLoader
  97      */
  98     public static function addParserPath($prefix, $path)
  99     {
 100         return self::getParserLoader()->addPrefixPath($prefix, $path);
 101     }
 102
 103     /**
 104      * Add a renderer path
 105      *
 106      * @param  string $prefix
 107      * @param  string $path
 108      * @return Zend_Loader_PluginLoader
 109      */
 110     public static function addRendererPath($prefix, $path)
 111     {
 112         return self::getRendererLoader()->addPrefixPath($prefix, $path);
 113     }
 114
 115     /**
 116      * Factory pattern
 117      *
 118      * @param  string $parser
 119      * @param  string $renderer
 120      * @param  array $options
 121      * @return Zend_Markup_Renderer_RendererAbstract
 122      */
 123     public static function factory($parser, $renderer = 'Html', array $options = array())
 124     {
 125         $parserClass   = self::getParserLoader()->load($parser);
 126         $rendererClass = self::getRendererLoader()->load($renderer);
 127
 128         $parser            = new $parserClass();
 129         $options['parser'] = $parser;
 130         $renderer          = new $rendererClass($options);
 131
 132         return $renderer;
 133     }
 134 }