<?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_Markup

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Markup.php 20277 2010-01-14 14:17:12Z kokx $

 */

/**

 * @see Zend_Loader_PluginLoader

 */

require_once 'Zend/Loader/PluginLoader.php';

/**

 * @category   Zend

 * @package    Zend_Markup

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Markup

{

    const CALLBACK = 'callback';

    const REPLACE  = 'replace';

    /**

     * The parser loader

     *

     * @var Zend_Loader_PluginLoader

     */

    protected static $_parserLoader;

    /**

     * The renderer loader

     *

     * @var Zend_Loader_PluginLoader

     */

    protected static $_rendererLoader;

    /**

     * Disable instantiation of Zend_Markup

     */

    private function __construct() { }

    /**

     * Get the parser loader

     *

     * @return Zend_Loader_PluginLoader

     */

    public static function getParserLoader()

    {

        if (!(self::$_parserLoader instanceof Zend_Loader_PluginLoader)) {

            self::$_parserLoader = new Zend_Loader_PluginLoader(array(

                'Zend_Markup_Parser' => 'Zend/Markup/Parser/',

            ));

        }

        return self::$_parserLoader;

    }

    /**

     * Get the renderer loader

     *

     * @return Zend_Loader_PluginLoader

     */

    public static function getRendererLoader()

    {

        if (!(self::$_rendererLoader instanceof Zend_Loader_PluginLoader)) {

            self::$_rendererLoader = new Zend_Loader_PluginLoader(array(

                'Zend_Markup_Renderer' => 'Zend/Markup/Renderer/',

            ));

        }

        return self::$_rendererLoader;

    }

    /**

     * Add a parser path

     *

     * @param  string $prefix

     * @param  string $path

     * @return Zend_Loader_PluginLoader

     */

    public static function addParserPath($prefix, $path)

    {

        return self::getParserLoader()->addPrefixPath($prefix, $path);

    }

    /**

     * Add a renderer path

     *

     * @param  string $prefix

     * @param  string $path

     * @return Zend_Loader_PluginLoader

     */

    public static function addRendererPath($prefix, $path)

    {

        return self::getRendererLoader()->addPrefixPath($prefix, $path);

    }

    /**

     * Factory pattern

     *

     * @param  string $parser

     * @param  string $renderer

     * @param  array $options

     * @return Zend_Markup_Renderer_RendererAbstract

     */

    public static function factory($parser, $renderer = 'Html', array $options = array())

    {

        $parserClass   = self::getParserLoader()->load($parser);

        $rendererClass = self::getRendererLoader()->load($renderer);

        $parser            = new $parserClass();

        $options['parser'] = $parser;

        $renderer          = new $rendererClass($options);

        return $renderer;

    }

}