www.aleph1.co.uk Git - yaffs-website/blob - vendor/symfony/validator/Constraints/CollectionValidator.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\Validator\Constraints;
  13
  14 use Symfony\Component\Validator\Constraint;
  15 use Symfony\Component\Validator\ConstraintValidator;
  16 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
  17
  18 /**
  19  * @author Bernhard Schussek <bschussek@gmail.com>
  20  */
  21 class CollectionValidator extends ConstraintValidator
  22 {
  23     /**
  24      * {@inheritdoc}
  25      */
  26     public function validate($value, Constraint $constraint)
  27     {
  28         if (!$constraint instanceof Collection) {
  29             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Collection');
  30         }
  31
  32         if (null === $value) {
  33             return;
  34         }
  35
  36         if (!is_array($value) && !($value instanceof \Traversable && $value instanceof \ArrayAccess)) {
  37             throw new UnexpectedTypeException($value, 'array or Traversable and ArrayAccess');
  38         }
  39
  40         // We need to keep the initialized context when CollectionValidator
  41         // calls itself recursively (Collection constraints can be nested).
  42         // Since the context of the validator is overwritten when initialize()
  43         // is called for the nested constraint, the outer validator is
  44         // acting on the wrong context when the nested validation terminates.
  45         //
  46         // A better solution - which should be approached in Symfony 3.0 - is to
  47         // remove the initialize() method and pass the context as last argument
  48         // to validate() instead.
  49         $context = $this->context;
  50
  51         foreach ($constraint->fields as $field => $fieldConstraint) {
  52             // bug fix issue #2779
  53             $existsInArray = is_array($value) && array_key_exists($field, $value);
  54             $existsInArrayAccess = $value instanceof \ArrayAccess && $value->offsetExists($field);
  55
  56             if ($existsInArray || $existsInArrayAccess) {
  57                 if (count($fieldConstraint->constraints) > 0) {
  58                     $context->getValidator()
  59                         ->inContext($context)
  60                         ->atPath('['.$field.']')
  61                         ->validate($value[$field], $fieldConstraint->constraints);
  62                 }
  63             } elseif (!$fieldConstraint instanceof Optional && !$constraint->allowMissingFields) {
  64                 $context->buildViolation($constraint->missingFieldsMessage)
  65                     ->atPath('['.$field.']')
  66                     ->setParameter('{{ field }}', $this->formatValue($field))
  67                     ->setInvalidValue(null)
  68                     ->setCode(Collection::MISSING_FIELD_ERROR)
  69                     ->addViolation();
  70             }
  71         }
  72
  73         if (!$constraint->allowExtraFields) {
  74             foreach ($value as $field => $fieldValue) {
  75                 if (!isset($constraint->fields[$field])) {
  76                     $context->buildViolation($constraint->extraFieldsMessage)
  77                         ->atPath('['.$field.']')
  78                         ->setParameter('{{ field }}', $this->formatValue($field))
  79                         ->setInvalidValue($fieldValue)
  80                         ->setCode(Collection::NO_SUCH_FIELD_ERROR)
  81                         ->addViolation();
  82                 }
  83             }
  84         }
  85     }
  86 }