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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\ExpressionLanguage\ExpressionLanguage; use Symfony\Component\ExpressionLanguage\SyntaxError; use Symfony\Component\Validator\Constraint; use Symfony\Component\Validator\ConstraintValidator; use Symfony\Component\Validator\Exception\UnexpectedTypeException; use Symfony\Component\Validator\Exception\UnexpectedValueException; /** * @author Andrey Sevastianov <mrpkmail@gmail.com> */ class ExpressionSyntaxValidator extends ConstraintValidator { private ?ExpressionLanguage $expressionLanguage; public function __construct(?ExpressionLanguage $expressionLanguage = null) { $this->expressionLanguage = $expressionLanguage; } public function validate(mixed $expression, Constraint $constraint): void { if (!$constraint instanceof ExpressionSyntax) { throw new UnexpectedTypeException($constraint, ExpressionSyntax::class); } if (null === $expression || '' === $expression) { return; } if (!\is_string($expression)) { throw new UnexpectedValueException($expression, 'string'); } $this->expressionLanguage ??= new ExpressionLanguage(); try { $this->expressionLanguage->lint($expression, $constraint->allowedVariables); } catch (SyntaxError $exception) { $this->context->buildViolation($constraint->message) ->setParameter('{{ syntax_error }}', $this->formatValue($exception->getMessage())) ->setInvalidValue((string) $expression) ->setCode(ExpressionSyntax::EXPRESSION_SYNTAX_ERROR) ->addViolation(); } } }
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