83 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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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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| 
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| namespace Symfony\Component\Validator\Constraints;
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| 
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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\LogicException;
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| use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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| 
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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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| 
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|     /**
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|      * @param ExpressionLanguage|null $expressionLanguage
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|      */
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|     public function __construct($expressionLanguage = null)
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|     {
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|         if (\func_num_args() > 1) {
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|             @trigger_error(sprintf('The "%s" instance should be passed as "%s" first argument instead of second argument since 4.4.', ExpressionLanguage::class, __METHOD__), \E_USER_DEPRECATED);
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| 
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|             $expressionLanguage = func_get_arg(1);
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| 
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|             if (null !== $expressionLanguage && !$expressionLanguage instanceof ExpressionLanguage) {
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|                 throw new \TypeError(sprintf('Argument 2 passed to "%s()" must be an instance of "%s" or null, "%s" given. Since 4.4, passing it as the second argument is deprecated and will trigger a deprecation. Pass it as the first argument instead.', __METHOD__, ExpressionLanguage::class, \is_object($expressionLanguage) ? \get_class($expressionLanguage) : \gettype($expressionLanguage)));
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|             }
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|         } elseif (null !== $expressionLanguage && !$expressionLanguage instanceof ExpressionLanguage) {
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|             @trigger_error(sprintf('The "%s" first argument must be an instance of "%s" or null since 4.4. "%s" given', __METHOD__, ExpressionLanguage::class, \is_object($expressionLanguage) ? \get_class($expressionLanguage) : \gettype($expressionLanguage)), \E_USER_DEPRECATED);
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| 
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|             $expressionLanguage = null;
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|         }
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| 
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|         $this->expressionLanguage = $expressionLanguage;
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|     }
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| 
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|     /**
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|      * {@inheritdoc}
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|      */
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|     public function validate($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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| 
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|         $variables = $constraint->values;
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|         $variables['value'] = $value;
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|         $variables['this'] = $this->context->getObject();
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| 
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|         if (!$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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| 
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|     private function getExpressionLanguage(): ExpressionLanguage
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|     {
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|         if (null === $this->expressionLanguage) {
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|             if (!class_exists(ExpressionLanguage::class)) {
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|                 throw new LogicException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
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|             }
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|             $this->expressionLanguage = new ExpressionLanguage();
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|         }
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| 
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|         return $this->expressionLanguage;
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|     }
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| }
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