vendor/symfony/form/Symfony/Component/Form/Extension/Validator/Type/BaseValidatorExtension.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\Form\Extension\Validator\Type;
  13
  14 use Symfony\Component\Form\AbstractTypeExtension;
  15 use Symfony\Component\OptionsResolver\Options;
  16 use Symfony\Component\OptionsResolver\OptionsResolverInterface;
  17
  18 /**
  19  * Encapsulates common logic of {@link FormTypeValidatorExtension} and
  20  * {@link SubmitTypeValidatorExtension}.
  21  *
  22  * @author Bernhard Schussek <bschussek@gmail.com>
  23  */
  24 abstract class BaseValidatorExtension extends AbstractTypeExtension
  25 {
  26     /**
  27      * {@inheritdoc}
  28      */
  29     public function setDefaultOptions(OptionsResolverInterface $resolver)
  30     {
  31         // Make sure that validation groups end up as null, closure or array
  32         $validationGroupsNormalizer = function (Options $options, $groups) {
  33             if (false === $groups) {
  34                 return array();
  35             }
  36
  37             if (empty($groups)) {
  38                 return null;
  39             }
  40
  41             if (is_callable($groups)) {
  42                 return $groups;
  43             }
  44
  45             return (array) $groups;
  46         };
  47
  48         $resolver->setDefaults(array(
  49             'validation_groups' => null,
  50         ));
  51
  52         $resolver->setNormalizers(array(
  53             'validation_groups' => $validationGroupsNormalizer,
  54         ));
  55     }
  56 }