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.

 */

/**

 *

 * @package    symfony

 * @subpackage config

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

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

 * @version    SVN: $Id: sfAutoloadConfigHandler.class.php 24062 2009-11-16 23:31:25Z FabianLange $

 */

class sfAutoloadConfigHandler 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)

  {

    // set our required categories list and initialize our handler

    $this->initialize(array('required_categories' => array('autoload')));

    $data = array();

    foreach ($this->parse($configFiles) as $name => $mapping)

    {

      $data[] = sprintf("\n  // %s", $name);

      foreach ($mapping as $class => $file)

      {

        $data[] = sprintf("  '%s' => '%s',", $class, str_replace('\\', '\\\\', $file));

      }

    }

    // compile data

    return sprintf("<?php\n".

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

                      "// date: %s\nreturn array(\n%s\n);\n",

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

  }

  public function evaluate($configFiles)

  {

    $mappings = array();

    foreach ($this->parse($configFiles) as $mapping)

    {

      foreach ($mapping as $class => $file)

      {

        $mappings[$class] = $file;

      }

    }

    return $mappings;

  }

  protected function parse(array $configFiles)

  {

    // parse the yaml

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

    $mappings = array();

    foreach ($config['autoload'] as $name => $entry)

    {

      $mapping = array();

      // file mapping or directory mapping?

      if (isset($entry['files']))

      {

        // file mapping

        foreach ($entry['files'] as $class => $file)

        {

          $mapping[strtolower($class)] = $file;

        }

      }

      else

      {

        // directory mapping

        $ext  = isset($entry['ext']) ? $entry['ext'] : '.php';

        $path = $entry['path'];

        // we automatically add our php classes

        require_once(sfConfig::get('sf_symfony_lib_dir').'/util/sfFinder.class.php');

        $finder = sfFinder::type('file')->name('*'.$ext)->follow_link();

        // recursive mapping?

        $recursive = isset($entry['recursive']) ? $entry['recursive'] : false;

        if (!$recursive)

        {

          $finder->maxdepth(0);

        }

        // exclude files or directories?

        if (isset($entry['exclude']) && is_array($entry['exclude']))

        {

          $finder->prune($entry['exclude'])->discard($entry['exclude']);

        }

        if ($matches = glob($path))

        {

          foreach ($finder->in($matches) as $file)

          {

            $mapping = array_merge($mapping, $this->parseFile($path, $file, isset($entry['prefix']) ? $entry['prefix'] : ''));

          }

        }

      }

      $mappings[$name] = $mapping;

    }

    return $mappings;

  }

  static public function parseFile($path, $file, $prefix)

  {

    $mapping = array();

    preg_match_all('~^\s*(?:abstract\s+|final\s+)?(?:class|interface)\s+(\w+)~mi', file_get_contents($file), $classes);

    foreach ($classes[1] as $class)

    {

      $localPrefix = '';

      if ($prefix)

      {

        // FIXME: does not work for plugins installed with a symlink

        preg_match('~^'.str_replace('\*', '(.+?)', preg_quote(str_replace('/', DIRECTORY_SEPARATOR, $path), '~')).'~', str_replace('/', DIRECTORY_SEPARATOR, $file), $match);

        if (isset($match[$prefix]))

        {

          $localPrefix = $match[$prefix].'/';

        }

      }

      $mapping[$localPrefix.strtolower($class)] = $file;

    }

    return $mapping;

  }

  /**

   * @see sfConfigHandler

   */

  static public function getConfiguration(array $configFiles)

  {

    $configuration = sfProjectConfiguration::getActive();

    $pluginPaths = $configuration->getPluginPaths();

    $pluginConfigFiles = array();

    // move plugin files to front

    foreach ($configFiles as $i => $configFile)

    {

      $configFilePath = str_replace(DIRECTORY_SEPARATOR, '/', $configFile);

      $path = str_replace(DIRECTORY_SEPARATOR, '/', realpath(join('/', array_slice(explode('/', $configFilePath), 0, -2))));

      if (in_array($path, $pluginPaths))

      {

        $pluginConfigFiles[] = $configFile;

        unset($configFiles[$i]);

      }

    }

    $configFiles = array_merge($pluginConfigFiles, $configFiles);

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

    foreach ($config['autoload'] as $name => $values)

    {

      if (isset($values['path']))

      {

        $config['autoload'][$name]['path'] = self::replacePath($values['path']);

      }

    }

    $event = $configuration->getEventDispatcher()->filter(new sfEvent(__CLASS__, 'autoload.filter_config'), $config);

    $config = $event->getReturnValue();

    return $config;

  }

}