Subversion-Projekte lars-tiefland.php_share

<?php

/*

 * This file is part of the symfony package.

 * (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * sfRootConfigHandler allows you to specify configuration handlers for the

 * application or on a module level.

 *

 * @package    symfony

 * @subpackage config

 * @author     Fabien Potencier <fabien.potencier@symfony-project.com>

 * @version    SVN: $Id: sfRootConfigHandler.class.php 23810 2009-11-12 11:07:44Z Kris.Wallsmith $

 */

class sfRootConfigHandler extends sfYamlConfigHandler

{

  /**

   * Executes this configuration handler

   *

   * @param array $configFiles An array of absolute filesystem path to a configuration file

   *

   * @return string Data to be written to a cache file

   *

   * @throws sfConfigurationException If a requested configuration file does not exist or is not readable

   * @throws sfParseException If a requested configuration file is improperly formatted

   */

  public function execute($configFiles)

  {

    // parse the yaml

    $config = self::getConfiguration($configFiles);

    // determine if we're loading the system config_handlers.yml or a module config_handlers.yml

    $moduleLevel = ($this->getParameterHolder()->get('module_level') === true) ? true : false;

    if ($moduleLevel)

    {

      // get the current module name

      $moduleName = $this->getParameterHolder()->get('module_name');

    }

    // init our data and includes arrays

    $data     = array();

    $includes = array();

    // let's do our fancy work

    foreach ($config as $category => $keys)

    {

      if ($moduleLevel)

      {

        // module-level registration, so we must prepend the module

        // root to the category

        $category = 'modules/'.$moduleName.'/'.$category;

      }

      if (!isset($keys['class']))

      {

        // missing class key

        throw new sfParseException(sprintf('Configuration file "%s" specifies category "%s" with missing class key.', $configFiles[0], $category));

      }

      $class = $keys['class'];

      if (isset($keys['file']))

      {

        if (!is_readable($keys['file']))

        {

          // handler file doesn't exist

          throw new sfParseException(sprintf('Configuration file "%s" specifies class "%s" with nonexistent or unreadable file "%s".', $configFiles[0], $class, $keys['file']));

        }

        // append our data

        $includes[] = sprintf("require_once('%s');", $keys['file']);

      }

      // parse parameters

      $parameters = (isset($keys['param']) ? var_export($keys['param'], true) : null);

      // append new data

      $data[] = sprintf("\$this->handlers['%s'] = new %s(%s);", $category, $class, $parameters);

    }

    // compile data

    $retval = sprintf("<?php\n" .

                      "// auto-generated by sfRootConfigHandler\n".

                      "// date: %s\n%s\n%s\n",

                      date('Y/m/d H:i:s'), implode("\n", $includes), implode("\n", $data));

    return $retval;

  }

  /**

   * @see sfConfigHandler

   */

  static public function getConfiguration(array $configFiles)

  {

    $config = self::replaceConstants(self::parseYamls($configFiles));

    foreach ($config as $category => $keys)

    {

      if (isset($keys['file']))

      {

        $config[$category]['file'] = self::replacePath($keys['file']);

      }

    }

    return $config;

  }

}