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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\Context\ExecutionContextInterface;
use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
/**
* ChoiceValidator validates that the value is one of the expected values.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Florian Eckerstorfer <florian@eckerstorfer.org>
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class ChoiceValidator extends ConstraintValidator
{
/**
* {@inheritdoc}
*/
public function validate($value, Constraint $constraint)
{
if (!$constraint instanceof Choice) {
throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Choice');
}
if (!\is_array($constraint->choices) && !$constraint->callback) {
throw new ConstraintDefinitionException('Either "choices" or "callback" must be specified on constraint Choice');
}
if (null === $value) {
return;
}
if ($constraint->multiple && !\is_array($value)) {
throw new UnexpectedTypeException($value, 'array');
}
if ($constraint->callback) {
if (!\is_callable($choices = array($this->context->getClassName(), $constraint->callback))
&& !\is_callable($choices = $constraint->callback)
) {
throw new ConstraintDefinitionException('The Choice constraint expects a valid callback');
}
$choices = \call_user_func($choices);
} else {
$choices = $constraint->choices;
}
if ($constraint->multiple) {
foreach ($value as $_value) {
if (!\in_array($_value, $choices, $constraint->strict)) {
if ($this->context instanceof ExecutionContextInterface) {
$this->context->buildViolation($constraint->multipleMessage)
->setParameter('{{ value }}', $this->formatValue($_value))
->setCode(Choice::NO_SUCH_CHOICE_ERROR)
->setInvalidValue($_value)
->addViolation();
} else {
$this->buildViolation($constraint->multipleMessage)
->setParameter('{{ value }}', $this->formatValue($_value))
->setCode(Choice::NO_SUCH_CHOICE_ERROR)
->setInvalidValue($_value)
->addViolation();
}
return;
}
}
$count = \count($value);
if (null !== $constraint->min && $count < $constraint->min) {
if ($this->context instanceof ExecutionContextInterface) {
$this->context->buildViolation($constraint->minMessage)
->setParameter('{{ limit }}', $constraint->min)
->setPlural((int) $constraint->min)
->setCode(Choice::TOO_FEW_ERROR)
->addViolation();
} else {
$this->buildViolation($constraint->minMessage)
->setParameter('{{ limit }}', $constraint->min)
->setPlural((int) $constraint->min)
->setCode(Choice::TOO_FEW_ERROR)
->addViolation();
}
return;
}
if (null !== $constraint->max && $count > $constraint->max) {
if ($this->context instanceof ExecutionContextInterface) {
$this->context->buildViolation($constraint->maxMessage)
->setParameter('{{ limit }}', $constraint->max)
->setPlural((int) $constraint->max)
->setCode(Choice::TOO_MANY_ERROR)
->addViolation();
} else {
$this->buildViolation($constraint->maxMessage)
->setParameter('{{ limit }}', $constraint->max)
->setPlural((int) $constraint->max)
->setCode(Choice::TOO_MANY_ERROR)
->addViolation();
}
return;
}
} elseif (!\in_array($value, $choices, $constraint->strict)) {
if ($this->context instanceof ExecutionContextInterface) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Choice::NO_SUCH_CHOICE_ERROR)
->addViolation();
} else {
$this->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Choice::NO_SUCH_CHOICE_ERROR)
->addViolation();
}
}
}
}