Chris@0: . Chris@0: */ Chris@0: Chris@0: namespace Doctrine\Common\Proxy; Chris@0: Chris@0: use Doctrine\Common\Proxy\Exception\InvalidArgumentException; Chris@0: Chris@0: /** Chris@0: * Special Autoloader for Proxy classes, which are not PSR-0 compliant. Chris@0: * Chris@0: * @author Benjamin Eberlei Chris@0: */ Chris@0: class Autoloader Chris@0: { Chris@0: /** Chris@0: * Resolves proxy class name to a filename based on the following pattern. Chris@0: * Chris@0: * 1. Remove Proxy namespace from class name. Chris@0: * 2. Remove namespace separators from remaining class name. Chris@0: * 3. Return PHP filename from proxy-dir with the result from 2. Chris@0: * Chris@0: * @param string $proxyDir Chris@0: * @param string $proxyNamespace Chris@0: * @param string $className Chris@0: * Chris@0: * @return string Chris@0: * Chris@0: * @throws InvalidArgumentException Chris@0: */ Chris@0: public static function resolveFile($proxyDir, $proxyNamespace, $className) Chris@0: { Chris@0: if (0 !== strpos($className, $proxyNamespace)) { Chris@0: throw InvalidArgumentException::notProxyClass($className, $proxyNamespace); Chris@0: } Chris@0: Chris@12: // remove proxy namespace from class name Chris@12: $classNameRelativeToProxyNamespace = substr($className, strlen($proxyNamespace)); Chris@0: Chris@12: // remove namespace separators from remaining class name Chris@12: $fileName = str_replace('\\', '', $classNameRelativeToProxyNamespace); Chris@12: Chris@12: return $proxyDir . DIRECTORY_SEPARATOR . $fileName . '.php'; Chris@0: } Chris@0: Chris@0: /** Chris@0: * Registers and returns autoloader callback for the given proxy dir and namespace. Chris@0: * Chris@0: * @param string $proxyDir Chris@0: * @param string $proxyNamespace Chris@0: * @param callable|null $notFoundCallback Invoked when the proxy file is not found. Chris@0: * Chris@0: * @return \Closure Chris@0: * Chris@0: * @throws InvalidArgumentException Chris@0: */ Chris@0: public static function register($proxyDir, $proxyNamespace, $notFoundCallback = null) Chris@0: { Chris@0: $proxyNamespace = ltrim($proxyNamespace, '\\'); Chris@0: Chris@0: if ( ! (null === $notFoundCallback || is_callable($notFoundCallback))) { Chris@0: throw InvalidArgumentException::invalidClassNotFoundCallback($notFoundCallback); Chris@0: } Chris@0: Chris@0: $autoloader = function ($className) use ($proxyDir, $proxyNamespace, $notFoundCallback) { Chris@0: if (0 === strpos($className, $proxyNamespace)) { Chris@0: $file = Autoloader::resolveFile($proxyDir, $proxyNamespace, $className); Chris@0: Chris@0: if ($notFoundCallback && ! file_exists($file)) { Chris@0: call_user_func($notFoundCallback, $proxyDir, $proxyNamespace, $className); Chris@0: } Chris@0: Chris@0: require $file; Chris@0: } Chris@0: }; Chris@0: Chris@0: spl_autoload_register($autoloader); Chris@0: Chris@0: return $autoloader; Chris@0: } Chris@0: }