public function ChoiceValidator::validate in Plug 7

Checks if the passed value is valid.

@api

Parameters

mixed $value The value that should be validated:

Constraint $constraint The constraint for the validation:

Overrides ConstraintValidatorInterface::validate

File

lib/Symfony/validator/Symfony/Component/Validator/Constraints/ChoiceValidator.php, line 33

Class

ChoiceValidator

ChoiceValidator validates that the value is one of the expected values.

Namespace

Symfony\Component\Validator\Constraints

Code

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)) {
        $this
          ->buildViolation($constraint->multipleMessage)
          ->setParameter('{{ value }}', $this
          ->formatValue($_value))
          ->setCode(Choice::NO_SUCH_CHOICE_ERROR)
          ->setInvalidValue($_value)
          ->addViolation();
        return;
      }
    }
    $count = count($value);
    if ($constraint->min !== null && $count < $constraint->min) {
      $this
        ->buildViolation($constraint->minMessage)
        ->setParameter('{{ limit }}', $constraint->min)
        ->setPlural((int) $constraint->min)
        ->setCode(Choice::TOO_FEW_ERROR)
        ->addViolation();
      return;
    }
    if ($constraint->max !== null && $count > $constraint->max) {
      $this
        ->buildViolation($constraint->maxMessage)
        ->setParameter('{{ limit }}', $constraint->max)
        ->setPlural((int) $constraint->max)
        ->setCode(Choice::TOO_MANY_ERROR)
        ->addViolation();
      return;
    }
  }
  elseif (!in_array($value, $choices, $constraint->strict)) {
    $this
      ->buildViolation($constraint->message)
      ->setParameter('{{ value }}', $this
      ->formatValue($value))
      ->setCode(Choice::NO_SUCH_CHOICE_ERROR)
      ->addViolation();
  }
}