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>

 * (c) 2004-2006 Sean Kerr <sean@code-box.org>

 *

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

 * file that was distributed with this source code.

 */

/**

 * sfCompileConfigHandler gathers multiple files and puts them into a single file.

 * Upon creation of the new file, all comments and blank lines are removed.

 *

 * @package    symfony

 * @subpackage config

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

 * @author     Sean Kerr <sean@code-box.org>

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

 */

class sfCompileConfigHandler 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);

    // init our data

    $data = '';

    // let's do our fancy work

    foreach ($config as $file)

    {

      if (!is_readable($file))

      {

        // file doesn't exist

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

      }

      $contents = file_get_contents($file);

      // strip comments (not in debug mode)

      if (!sfConfig::get('sf_debug'))

      {

        $contents = sfToolkit::stripComments($contents);

      }

      // insert configuration files

/*      $contents = preg_replace_callback(array('#(require|include)(_once)?\((sfContext::getInstance\(\)\->getConfigCache\(\)|\$configCache)->checkConfig\(\'config/([^\']+)\'\)\);#m',

                                          '#()()(sfContext::getInstance\(\)\->getConfigCache\(\)|\$configCache)->import\(\'config/([^\']+)\'(, false)?\);#m'),

                                        array($this, 'insertConfigFileCallback'), $contents);

*/

      // strip php tags

      $contents = sfToolkit::pregtr($contents, array('/^\s*<\?(php)?/m' => '',

                                                     '/^\s*\?>/m'       => ''));

      // replace windows and mac format with unix format

      $contents = str_replace("\r", "\n", $contents);

      // replace multiple new lines with a single newline

      $contents = preg_replace(array('/\s+$/Sm', '/\n+/S'), "\n", $contents);

      // append file data

      $data .= "\n".$contents;

    }

    // compile data

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

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

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

                      date('Y/m/d H:i:s'), $data);

    return $retval;

  }

  /**

   * Callback for configuration file insertion in the cache.

   *

   */

  protected function insertConfigFileCallback($matches)

  {

    $configFile = 'config/'.$matches[4];

    $configCache = sfContext::getInstance()->getConfigCache();

    $configCache->checkConfig($configFile);

    $config = "// '$configFile' config file\n".file_get_contents($configCache->getCacheName($configFile));

    return $config;

  }

  /**

   * @see sfConfigHandler

   */

  static public function getConfiguration(array $configFiles)

  {

    $config = array();

    foreach ($configFiles as $configFile)

    {

      $config = array_merge($config, self::parseYaml($configFile));

    }

    return self::replacePath(self::replaceConstants($config));

  }

}