ServiceValueResolver.php 3.0 KB

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  1. <?php
  2. /*
  3. * This file is part of the Symfony package.
  4. *
  5. * (c) Fabien Potencier <fabien@symfony.com>
  6. *
  7. * For the full copyright and license information, please view the LICENSE
  8. * file that was distributed with this source code.
  9. */
  10. namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver;
  11. use Psr\Container\ContainerInterface;
  12. use Symfony\Component\DependencyInjection\Exception\RuntimeException;
  13. use Symfony\Component\HttpFoundation\Request;
  14. use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
  15. use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
  16. /**
  17. * Yields a service keyed by _controller and argument name.
  18. *
  19. * @author Nicolas Grekas <p@tchwork.com>
  20. */
  21. final class ServiceValueResolver implements ArgumentValueResolverInterface
  22. {
  23. private $container;
  24. public function __construct(ContainerInterface $container)
  25. {
  26. $this->container = $container;
  27. }
  28. /**
  29. * {@inheritdoc}
  30. */
  31. public function supports(Request $request, ArgumentMetadata $argument): bool
  32. {
  33. $controller = $request->attributes->get('_controller');
  34. if (\is_array($controller) && \is_callable($controller, true) && \is_string($controller[0])) {
  35. $controller = $controller[0].'::'.$controller[1];
  36. } elseif (!\is_string($controller) || '' === $controller) {
  37. return false;
  38. }
  39. if ('\\' === $controller[0]) {
  40. $controller = ltrim($controller, '\\');
  41. }
  42. if (!$this->container->has($controller) && false !== $i = strrpos($controller, ':')) {
  43. $controller = substr($controller, 0, $i).strtolower(substr($controller, $i));
  44. }
  45. return $this->container->has($controller) && $this->container->get($controller)->has($argument->getName());
  46. }
  47. /**
  48. * {@inheritdoc}
  49. */
  50. public function resolve(Request $request, ArgumentMetadata $argument): iterable
  51. {
  52. if (\is_array($controller = $request->attributes->get('_controller'))) {
  53. $controller = $controller[0].'::'.$controller[1];
  54. }
  55. if ('\\' === $controller[0]) {
  56. $controller = ltrim($controller, '\\');
  57. }
  58. if (!$this->container->has($controller)) {
  59. $i = strrpos($controller, ':');
  60. $controller = substr($controller, 0, $i).strtolower(substr($controller, $i));
  61. }
  62. try {
  63. yield $this->container->get($controller)->get($argument->getName());
  64. } catch (RuntimeException $e) {
  65. $what = sprintf('argument $%s of "%s()"', $argument->getName(), $controller);
  66. $message = preg_replace('/service "\.service_locator\.[^"]++"/', $what, $e->getMessage());
  67. if ($e->getMessage() === $message) {
  68. $message = sprintf('Cannot resolve %s: %s', $what, $message);
  69. }
  70. $r = new \ReflectionProperty($e, 'message');
  71. $r->setAccessible(true);
  72. $r->setValue($e, $message);
  73. throw $e;
  74. }
  75. }
  76. }