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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;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class LengthValidator extends ConstraintValidator
{
/**
* {@inheritdoc}
*/
public function validate($value, Constraint $constraint)
{
if (!$constraint instanceof Length) {
throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Length');
}
if (null === $value || '' === $value) {
return;
}
if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
throw new UnexpectedTypeException($value, 'string');
}
$stringValue = (string) $value;
if (!$invalidCharset = !@mb_check_encoding($stringValue, $constraint->charset)) {
$length = mb_strlen($stringValue, $constraint->charset);
}
if ($invalidCharset) {
$this->context->buildViolation($constraint->charsetMessage)
->setParameter('{{ value }}', $this->formatValue($stringValue))
->setParameter('{{ charset }}', $constraint->charset)
->setInvalidValue($value)
->setCode(Length::INVALID_CHARACTERS_ERROR)
->addViolation();
return;
}
if (null !== $constraint->max && $length > $constraint->max) {
$this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->maxMessage)
->setParameter('{{ value }}', $this->formatValue($stringValue))
->setParameter('{{ limit }}', $constraint->max)
->setInvalidValue($value)
->setPlural((int) $constraint->max)
->setCode(Length::TOO_LONG_ERROR)
->addViolation();
return;
}
if (null !== $constraint->min && $length < $constraint->min) {
$this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->minMessage)
->setParameter('{{ value }}', $this->formatValue($stringValue))
->setParameter('{{ limit }}', $constraint->min)
->setInvalidValue($value)
->setPlural((int) $constraint->min)
->setCode(Length::TOO_SHORT_ERROR)
->addViolation();
}
}
}