62 lines
1.8 KiB
PHP
62 lines
1.8 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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/**
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Bernhard Schussek <bschussek@symfony.com>
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*/
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class ExpressionValidator extends ConstraintValidator
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{
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private $expressionLanguage;
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public function __construct(ExpressionLanguage $expressionLanguage = null)
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{
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$this->expressionLanguage = $expressionLanguage;
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}
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/**
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* {@inheritdoc}
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*/
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public function validate($value, Constraint $constraint)
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{
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if (!$constraint instanceof Expression) {
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throw new UnexpectedTypeException($constraint, Expression::class);
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}
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$variables = $constraint->values;
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$variables['value'] = $value;
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$variables['this'] = $this->context->getObject();
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if (!$this->getExpressionLanguage()->evaluate($constraint->expression, $variables)) {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value, self::OBJECT_TO_STRING))
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->setCode(Expression::EXPRESSION_FAILED_ERROR)
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->addViolation();
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}
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}
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private function getExpressionLanguage(): ExpressionLanguage
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{
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if (null === $this->expressionLanguage) {
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$this->expressionLanguage = new ExpressionLanguage();
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}
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return $this->expressionLanguage;
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}
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}
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