<?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.
 */

/**
 * sfSimpleYamlConfigHandler allows you to load simple configuration files formatted as YAML.
 *
 * @package    symfony
 * @subpackage config
 * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
 * @version    SVN: $Id: sfSimpleYamlConfigHandler.class.php 9085 2008-05-20 01:53:23Z Carl.Vondrick $
 */
class sfSimpleYamlConfigHandler extends sfYamlConfigHandler
{
  /**
   * Executes this configuration handler.
   *
   * @param array $configFiles An array of absolute filesystem path to a configuration file
   *
   * @return string Data to be written to a cache file
   */
  public function execute($configFiles)
  {
    $config = self::getConfiguration($configFiles);

    // compile data
    $retval = "<?php\n".
              "// auto-generated by %s\n".
              "// date: %s\nreturn %s;\n";
    $retval = sprintf($retval, __CLASS__, date('Y/m/d H:i:s'), var_export($config, true));

    return $retval;
  }

  /**
   * @see sfConfigHandler
   */
  static public function getConfiguration(array $configFiles)
  {
    return self::parseYamls($configFiles);
  }
}