protected function ControllerResolver::doGetArguments in Drupal 8

File

core/lib/Drupal/Core/Controller/ControllerResolver.php, line 128

Class

ControllerResolver

ControllerResolver to enhance controllers beyond Symfony's basic handling.

Namespace

Drupal\Core\Controller

Code

protected function doGetArguments(Request $request, $controller, array $parameters) {

  // Note this duplicates the deprecation message of
  // Symfony\Component\HttpKernel\Controller\ControllerResolver::getArguments()
  // to ensure it is removed in Drupal 9.
  @trigger_error(sprintf('%s is deprecated as of 8.6.0 and will be removed in 9.0. Inject the "http_kernel.controller.argument_resolver" service instead.', __METHOD__, ArgumentResolverInterface::class), E_USER_DEPRECATED);
  $attributes = $request->attributes
    ->all();
  $arguments = [];
  foreach ($parameters as $param) {
    if (array_key_exists($param->name, $attributes)) {
      $arguments[] = $attributes[$param->name];
    }
    elseif ($param
      ->getClass() && $param
      ->getClass()
      ->isInstance($request)) {
      $arguments[] = $request;
    }
    elseif ($param
      ->getClass() && $param
      ->getClass()->name === ServerRequestInterface::class) {
      $arguments[] = $this->httpMessageFactory
        ->createRequest($request);
    }
    elseif ($param
      ->getClass() && ($param
      ->getClass()->name == RouteMatchInterface::class || is_subclass_of($param
      ->getClass()->name, RouteMatchInterface::class))) {
      $arguments[] = RouteMatch::createFromRequest($request);
    }
    elseif ($param
      ->isDefaultValueAvailable()) {
      $arguments[] = $param
        ->getDefaultValue();
    }
    else {
      if (is_array($controller)) {
        $repr = sprintf('%s::%s()', get_class($controller[0]), $controller[1]);
      }
      elseif (is_object($controller)) {
        $repr = get_class($controller);
      }
      else {
        $repr = $controller;
      }
      throw new \RuntimeException(sprintf('Controller "%s" requires that you provide a value for the "$%s" argument (because there is no default value or because there is a non optional argument after this one).', $repr, $param->name));
    }
  }
  return $arguments;
}