class xautoload_ClassLoader in X Autoload 7.2

Behaves like the Symfony ClassLoader classes.

Hierarchy

• class \xautoload_ClassLoader

File

lib/ClassLoader.php, line 7

class xautoload_ClassLoader {
  protected $finder;

  /**
   * @param xautoload_ClassFinder $finder
   *   The object that does the actual class finding.
   */
  function __construct($finder) {
    $this->finder = $finder;
  }

  /**
   * Registers this instance as an autoloader.
   *
   * @param boolean $prepend
   *   If TRUE, the loader will be prepended. Otherwise, it will be appended.
   */
  function register($prepend = false) {

    // http://www.php.net/manual/de/function.spl-autoload-register.php#107362
    // "when specifying the third parameter (prepend), the function will fail badly in PHP 5.2"
    if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
      spl_autoload_register(array(
        $this,
        'loadClass',
      ), TRUE, $prepend);
    }
    elseif ($prepend) {
      $loaders = spl_autoload_functions();
      spl_autoload_register(array(
        $this,
        'loadClass',
      ));
      foreach ($loaders as $loader) {
        spl_autoload_unregister($loader);
        spl_autoload_register($loader);
      }
    }
    else {
      spl_autoload_register(array(
        $this,
        'loadClass',
      ));
    }
  }

  /**
   * Callback for class loading. This will include ("require") the file found.
   *
   * @param string $class
   *   The class to load.
   */
  function loadClass($class) {
    $api = new xautoload_InjectedAPI_findFile($class);

    // $api has a ->suggestFile($file) method, which returns TRUE if the
    // suggested file exists.
    // The $finder->findFile() method is supposed to suggest a number of files
    // to the $api, until one is successful, and then return TRUE. Or return
    // FALSE, if nothing was found.
    if ($this->finder
      ->findFile($api, $class)) {

      // In case of success, the file will be in the $api, to be retrieved with
      // $api->getFile().
      require $api
        ->getFile();
    }
  }

  /**
   * For compatibility, it is possible to use the class loader as a finder.
   *
   * @param string $class
   *   The class to find.
   *
   * @return string
   *   File where the class is assumed to be.
   */
  function findFile($class) {
    $api = new xautoload_InjectedAPI_findFile($class);
    if ($this->finder
      ->findFile($api, $class)) {
      return $api
        ->getFile();
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
xautoload_ClassLoader::$finder	protected	property
xautoload_ClassLoader::findFile		function	For compatibility, it is possible to use the class loader as a finder.
xautoload_ClassLoader::loadClass		function	Callback for class loading. This will include ("require") the file found.
xautoload_ClassLoader::register		function	Registers this instance as an autoloader.
xautoload_ClassLoader::__construct		function