Chris@0: 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: * Validates whether a value match or not given regexp pattern. Chris@0: * Chris@0: * @author Bernhard Schussek Chris@0: * @author Joseph Bielawski Chris@0: */ Chris@0: class RegexValidator 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 Regex) { Chris@0: throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Regex'); Chris@0: } Chris@0: Chris@0: if (null === $value || '' === $value) { Chris@0: return; Chris@0: } Chris@0: Chris@17: if (!is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) { Chris@0: throw new UnexpectedTypeException($value, 'string'); Chris@0: } Chris@0: Chris@0: $value = (string) $value; Chris@0: Chris@0: if ($constraint->match xor preg_match($constraint->pattern, $value)) { Chris@0: $this->context->buildViolation($constraint->message) Chris@0: ->setParameter('{{ value }}', $this->formatValue($value)) Chris@0: ->setCode(Regex::REGEX_FAILED_ERROR) Chris@0: ->addViolation(); Chris@0: } Chris@0: } Chris@0: }