vendor/symfony/form/Extension/Core/DataAccessor/ChainAccessor.php line 54

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  1. <?php
  3. /*
  4. * This file is part of the Symfony package.
  5. *
  6. * (c) Fabien Potencier <[email protected]>
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace Symfony\Component\Form\Extension\Core\DataAccessor;
  14. use Symfony\Component\Form\DataAccessorInterface;
  15. use Symfony\Component\Form\Exception\AccessException;
  16. use Symfony\Component\Form\FormInterface;
  18. /**
  19. * @author Yonel Ceruto <[email protected]>
  20. */
  21. class ChainAccessor implements DataAccessorInterface
  22. {
  23. private $accessors;
  25. /**
  26. * @param DataAccessorInterface[]|iterable $accessors
  27. */
  28. public function __construct(iterable $accessors)
  29. {
  30. $this->accessors = $accessors;
  31. }
  33. /**
  34. * {@inheritdoc}
  35. */
  36. public function getValue($data, FormInterface $form)
  37. {
  38. foreach ($this->accessors as $accessor) {
  39. if ($accessor->isReadable($data, $form)) {
  40. return $accessor->getValue($data, $form);
  41. }
  42. }
  44. throw new AccessException('Unable to read from the given form data as no accessor in the chain is able to read the data.');
  45. }
  47. /**
  48. * {@inheritdoc}
  49. */
  50. public function setValue(&$data, $value, FormInterface $form): void
  51. {
  52. foreach ($this->accessors as $accessor) {
  53. if ($accessor->isWritable($data, $form)) {
  54. $accessor->setValue($data, $value, $form);
  56. return;
  57. }
  58. }
  60. throw new AccessException('Unable to write the given value as no accessor in the chain is able to set the data.');
  61. }
  63. /**
  64. * {@inheritdoc}
  65. */
  66. public function isReadable($data, FormInterface $form): bool
  67. {
  68. foreach ($this->accessors as $accessor) {
  69. if ($accessor->isReadable($data, $form)) {
  70. return true;
  71. }
  72. }
  74. return false;
  75. }
  77. /**
  78. * {@inheritdoc}
  79. */
  80. public function isWritable($data, FormInterface $form): bool
  81. {
  82. foreach ($this->accessors as $accessor) {
  83. if ($accessor->isWritable($data, $form)) {
  84. return true;
  85. }
  86. }
  88. return false;
  89. }
  90. }