vendor/symfony/validator/Constraints/ExpressionSyntaxValidator.php line 28

  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. namespace Symfony\Component\Validator\Constraints;
  14. use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
  15. use Symfony\Component\ExpressionLanguage\SyntaxError;
  16. use Symfony\Component\Validator\Constraint;
  17. use Symfony\Component\Validator\ConstraintValidator;
  18. use Symfony\Component\Validator\Exception\UnexpectedTypeException;
  19. use Symfony\Component\Validator\Exception\UnexpectedValueException;
  21. /**
  22.  * @author Andrey Sevastianov <mrpkmail@gmail.com>
  23.  */
  24. class ExpressionSyntaxValidator extends ConstraintValidator
  25. {
  26.     private ?ExpressionLanguage $expressionLanguage;
  28.     public function __construct(ExpressionLanguage $expressionLanguage = null)
  29.     {
  30.         $this->expressionLanguage = $expressionLanguage;
  31.     }
  33.     public function validate(mixed $expression, Constraint $constraint): void
  34.     {
  35.         if (!$constraint instanceof ExpressionSyntax) {
  36.             throw new UnexpectedTypeException($constraint, ExpressionSyntax::class);
  37.         }
  39.         if (null === $expression || '' === $expression) {
  40.             return;
  41.         }
  43.         if (!\is_string($expression)) {
  44.             throw new UnexpectedValueException($expression, 'string');
  45.         }
  47.         $this->expressionLanguage ??= new ExpressionLanguage();
  49.         try {
  50.             $this->expressionLanguage->lint($expression, $constraint->allowedVariables);
  51.         } catch (SyntaxError $exception) {
  52.             $this->context->buildViolation($constraint->message)
  53.                 ->setParameter('{{ syntax_error }}', $this->formatValue($exception->getMessage()))
  54.                 ->setInvalidValue((string) $expression)
  55.                 ->setCode(ExpressionSyntax::EXPRESSION_SYNTAX_ERROR)
  56.                 ->addViolation();
  57.         }
  58.     }
  59. }