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