annotate vendor/symfony/validator/Constraints/ExpressionValidator.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
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Chris@0 1 <?php
Chris@0 2
Chris@0 3 /*
Chris@0 4 * This file is part of the Symfony package.
Chris@0 5 *
Chris@0 6 * (c) Fabien Potencier <fabien@symfony.com>
Chris@0 7 *
Chris@0 8 * For the full copyright and license information, please view the LICENSE
Chris@0 9 * file that was distributed with this source code.
Chris@0 10 */
Chris@0 11
Chris@0 12 namespace Symfony\Component\Validator\Constraints;
Chris@0 13
Chris@0 14 use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
Chris@0 15 use Symfony\Component\Validator\Constraint;
Chris@0 16 use Symfony\Component\Validator\ConstraintValidator;
Chris@0 17 use Symfony\Component\Validator\Exception\RuntimeException;
Chris@0 18 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
Chris@0 19
Chris@0 20 /**
Chris@0 21 * @author Fabien Potencier <fabien@symfony.com>
Chris@0 22 * @author Bernhard Schussek <bschussek@symfony.com>
Chris@0 23 */
Chris@0 24 class ExpressionValidator extends ConstraintValidator
Chris@0 25 {
Chris@0 26 private $expressionLanguage;
Chris@0 27
Chris@0 28 public function __construct($propertyAccessor = null, ExpressionLanguage $expressionLanguage = null)
Chris@0 29 {
Chris@0 30 $this->expressionLanguage = $expressionLanguage;
Chris@0 31 }
Chris@0 32
Chris@0 33 /**
Chris@0 34 * {@inheritdoc}
Chris@0 35 */
Chris@0 36 public function validate($value, Constraint $constraint)
Chris@0 37 {
Chris@0 38 if (!$constraint instanceof Expression) {
Chris@0 39 throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Expression');
Chris@0 40 }
Chris@0 41
Chris@17 42 $variables = [];
Chris@0 43 $variables['value'] = $value;
Chris@0 44 $variables['this'] = $this->context->getObject();
Chris@0 45
Chris@0 46 if (!$this->getExpressionLanguage()->evaluate($constraint->expression, $variables)) {
Chris@0 47 $this->context->buildViolation($constraint->message)
Chris@14 48 ->setParameter('{{ value }}', $this->formatValue($value, self::OBJECT_TO_STRING))
Chris@0 49 ->setCode(Expression::EXPRESSION_FAILED_ERROR)
Chris@0 50 ->addViolation();
Chris@0 51 }
Chris@0 52 }
Chris@0 53
Chris@0 54 private function getExpressionLanguage()
Chris@0 55 {
Chris@0 56 if (null === $this->expressionLanguage) {
Chris@0 57 if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
Chris@0 58 throw new RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
Chris@0 59 }
Chris@0 60 $this->expressionLanguage = new ExpressionLanguage();
Chris@0 61 }
Chris@0 62
Chris@0 63 return $this->expressionLanguage;
Chris@0 64 }
Chris@0 65 }