Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Validator\Constraints;
Chris@0: 
Chris@0: use Symfony\Component\Validator\Constraint;
Chris@0: use Symfony\Component\Validator\ConstraintValidator;
Chris@0: use Symfony\Component\Validator\Exception\UnexpectedTypeException;
Chris@0: 
Chris@0: /**
Chris@0:  * @author Bernhard Schussek <bschussek@gmail.com>
Chris@0:  */
Chris@0: class CollectionValidator extends ConstraintValidator
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function validate($value, Constraint $constraint)
Chris@0:     {
Chris@0:         if (!$constraint instanceof Collection) {
Chris@0:             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Collection');
Chris@0:         }
Chris@0: 
Chris@0:         if (null === $value) {
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@17:         if (!\is_array($value) && !($value instanceof \Traversable && $value instanceof \ArrayAccess)) {
Chris@0:             throw new UnexpectedTypeException($value, 'array or Traversable and ArrayAccess');
Chris@0:         }
Chris@0: 
Chris@0:         // We need to keep the initialized context when CollectionValidator
Chris@0:         // calls itself recursively (Collection constraints can be nested).
Chris@0:         // Since the context of the validator is overwritten when initialize()
Chris@0:         // is called for the nested constraint, the outer validator is
Chris@0:         // acting on the wrong context when the nested validation terminates.
Chris@0:         //
Chris@0:         // A better solution - which should be approached in Symfony 3.0 - is to
Chris@0:         // remove the initialize() method and pass the context as last argument
Chris@0:         // to validate() instead.
Chris@0:         $context = $this->context;
Chris@0: 
Chris@0:         foreach ($constraint->fields as $field => $fieldConstraint) {
Chris@0:             // bug fix issue #2779
Chris@18:             $existsInArray = \is_array($value) && \array_key_exists($field, $value);
Chris@0:             $existsInArrayAccess = $value instanceof \ArrayAccess && $value->offsetExists($field);
Chris@0: 
Chris@0:             if ($existsInArray || $existsInArrayAccess) {
Chris@17:                 if (\count($fieldConstraint->constraints) > 0) {
Chris@0:                     $context->getValidator()
Chris@0:                         ->inContext($context)
Chris@0:                         ->atPath('['.$field.']')
Chris@0:                         ->validate($value[$field], $fieldConstraint->constraints);
Chris@0:                 }
Chris@0:             } elseif (!$fieldConstraint instanceof Optional && !$constraint->allowMissingFields) {
Chris@0:                 $context->buildViolation($constraint->missingFieldsMessage)
Chris@0:                     ->atPath('['.$field.']')
Chris@0:                     ->setParameter('{{ field }}', $this->formatValue($field))
Chris@0:                     ->setInvalidValue(null)
Chris@0:                     ->setCode(Collection::MISSING_FIELD_ERROR)
Chris@0:                     ->addViolation();
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if (!$constraint->allowExtraFields) {
Chris@0:             foreach ($value as $field => $fieldValue) {
Chris@0:                 if (!isset($constraint->fields[$field])) {
Chris@0:                     $context->buildViolation($constraint->extraFieldsMessage)
Chris@0:                         ->atPath('['.$field.']')
Chris@0:                         ->setParameter('{{ field }}', $this->formatValue($field))
Chris@0:                         ->setInvalidValue($fieldValue)
Chris@0:                         ->setCode(Collection::NO_SUCH_FIELD_ERROR)
Chris@0:                         ->addViolation();
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: }