class ClassUtils

AbstractClassMetadataFactory.php in drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/AbstractClassMetadataFactory.php

ClassUtilsTest.php in drupal/core/vendor/doctrine/common/tests/Doctrine/Tests/Common/Util/ClassUtilsTest.php

class ClassUtils {

  /**
   * Get the real class name of a class name that could be a proxy.
   *
   * @param string
   * @return string
   */
  public static function getRealClass($class) {
    if (false === ($pos = strrpos($class, '\\' . Proxy::MARKER . '\\'))) {
      return $class;
    }
    return substr($class, $pos + Proxy::MARKER_LENGTH + 2);
  }

  /**
   * Get the real class name of an object (even if its a proxy)
   *
   * @param object
   * @return string
   */
  public static function getClass($object) {
    return self::getRealClass(get_class($object));
  }

  /**
   * Get the real parent class name of a class or object
   *
   * @param string
   * @return string
   */
  public static function getParentClass($className) {
    return get_parent_class(self::getRealClass($className));
  }

  /**
   * Create a new reflection class
   *
   * @param string
   * @return \ReflectionClass
   */
  public static function newReflectionClass($class) {
    return new \ReflectionClass(self::getRealClass($class));
  }

  /**
   * Create a new reflection object
   *
   * @param object
   * @return \ReflectionObject
   */
  public static function newReflectionObject($object) {
    return self::newReflectionClass(self::getClass($object));
  }

  /**
   * Given a class name and a proxy namespace return the proxy name.
   *
   * @param string $className
   * @param string $proxyNamespace
   * @return string
   */
  public static function generateProxyClassName($className, $proxyNamespace) {
    return rtrim($proxyNamespace, '\\') . '\\' . Proxy::MARKER . '\\' . ltrim($className, '\\');
  }

}