832 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			832 lines
		
	
	
		
			34 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\Validator;
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| 
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| use Symfony\Component\Validator\Constraint;
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| use Symfony\Component\Validator\Constraints\GroupSequence;
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| use Symfony\Component\Validator\ConstraintValidatorFactoryInterface;
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| use Symfony\Component\Validator\Context\ExecutionContext;
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| use Symfony\Component\Validator\Context\ExecutionContextInterface;
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| use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
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| use Symfony\Component\Validator\Exception\NoSuchMetadataException;
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| use Symfony\Component\Validator\Exception\RuntimeException;
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| use Symfony\Component\Validator\Exception\UnsupportedMetadataException;
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| use Symfony\Component\Validator\Exception\ValidatorException;
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| use Symfony\Component\Validator\Mapping\CascadingStrategy;
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| use Symfony\Component\Validator\Mapping\ClassMetadataInterface;
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| use Symfony\Component\Validator\Mapping\GenericMetadata;
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| use Symfony\Component\Validator\Mapping\MetadataInterface;
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| use Symfony\Component\Validator\Mapping\PropertyMetadataInterface;
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| use Symfony\Component\Validator\Mapping\TraversalStrategy;
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| use Symfony\Component\Validator\MetadataFactoryInterface;
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| use Symfony\Component\Validator\ObjectInitializerInterface;
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| use Symfony\Component\Validator\Util\PropertyPath;
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| 
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| /**
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|  * Recursive implementation of {@link ContextualValidatorInterface}.
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|  *
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|  * @author Bernhard Schussek <bschussek@gmail.com>
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|  */
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| class RecursiveContextualValidator implements ContextualValidatorInterface
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| {
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|     private $context;
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|     private $defaultPropertyPath;
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|     private $defaultGroups;
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|     private $metadataFactory;
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|     private $validatorFactory;
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|     private $objectInitializers;
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| 
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|     /**
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|      * Creates a validator for the given context.
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|      *
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|      * @param ExecutionContextInterface           $context            The execution context
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|      * @param MetadataFactoryInterface            $metadataFactory    The factory for
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|      *                                                                fetching the metadata
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|      *                                                                of validated objects
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|      * @param ConstraintValidatorFactoryInterface $validatorFactory   The factory for creating
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|      *                                                                constraint validators
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|      * @param ObjectInitializerInterface[]        $objectInitializers The object initializers
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|      */
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|     public function __construct(ExecutionContextInterface $context, MetadataFactoryInterface $metadataFactory, ConstraintValidatorFactoryInterface $validatorFactory, array $objectInitializers = array())
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|     {
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|         $this->context = $context;
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|         $this->defaultPropertyPath = $context->getPropertyPath();
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|         $this->defaultGroups = array($context->getGroup() ?: Constraint::DEFAULT_GROUP);
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|         $this->metadataFactory = $metadataFactory;
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|         $this->validatorFactory = $validatorFactory;
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|         $this->objectInitializers = $objectInitializers;
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|     }
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| 
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|     /**
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|      * {@inheritdoc}
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|      */
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|     public function atPath($path)
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|     {
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|         $this->defaultPropertyPath = $this->context->getPropertyPath($path);
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * {@inheritdoc}
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|      */
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|     public function validate($value, $constraints = null, $groups = null)
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|     {
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|         $groups = $groups ? $this->normalizeGroups($groups) : $this->defaultGroups;
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| 
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|         $previousValue = $this->context->getValue();
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|         $previousObject = $this->context->getObject();
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|         $previousMetadata = $this->context->getMetadata();
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|         $previousPath = $this->context->getPropertyPath();
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|         $previousGroup = $this->context->getGroup();
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|         $previousConstraint = null;
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| 
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|         if ($this->context instanceof ExecutionContext || method_exists($this->context, 'getConstraint')) {
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|             $previousConstraint = $this->context->getConstraint();
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|         }
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| 
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|         // If explicit constraints are passed, validate the value against
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|         // those constraints
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|         if (null !== $constraints) {
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|             // You can pass a single constraint or an array of constraints
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|             // Make sure to deal with an array in the rest of the code
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|             if (!\is_array($constraints)) {
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|                 $constraints = array($constraints);
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|             }
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| 
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|             $metadata = new GenericMetadata();
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|             $metadata->addConstraints($constraints);
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| 
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|             $this->validateGenericNode(
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|                 $value,
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|                 $previousObject,
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|                 \is_object($value) ? spl_object_hash($value) : null,
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|                 $metadata,
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|                 $this->defaultPropertyPath,
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|                 $groups,
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|                 null,
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|                 TraversalStrategy::IMPLICIT,
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|                 $this->context
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|             );
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| 
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|             $this->context->setNode($previousValue, $previousObject, $previousMetadata, $previousPath);
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|             $this->context->setGroup($previousGroup);
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| 
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|             if (null !== $previousConstraint) {
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|                 $this->context->setConstraint($previousConstraint);
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|             }
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| 
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|             return $this;
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|         }
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| 
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|         // If an object is passed without explicit constraints, validate that
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|         // object against the constraints defined for the object's class
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|         if (\is_object($value)) {
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|             $this->validateObject(
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|                 $value,
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|                 $this->defaultPropertyPath,
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|                 $groups,
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|                 TraversalStrategy::IMPLICIT,
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|                 $this->context
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|             );
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| 
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|             $this->context->setNode($previousValue, $previousObject, $previousMetadata, $previousPath);
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|             $this->context->setGroup($previousGroup);
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| 
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|             return $this;
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|         }
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| 
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|         // If an array is passed without explicit constraints, validate each
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|         // object in the array
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|         if (\is_array($value)) {
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|             $this->validateEachObjectIn(
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|                 $value,
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|                 $this->defaultPropertyPath,
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|                 $groups,
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|                 true,
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|                 $this->context
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|             );
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| 
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|             $this->context->setNode($previousValue, $previousObject, $previousMetadata, $previousPath);
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|             $this->context->setGroup($previousGroup);
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| 
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|             return $this;
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|         }
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| 
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|         throw new RuntimeException(sprintf('Cannot validate values of type "%s" automatically. Please provide a constraint.', \gettype($value)));
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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 validateProperty($object, $propertyName, $groups = null)
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|     {
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|         $classMetadata = $this->metadataFactory->getMetadataFor($object);
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| 
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|         if (!$classMetadata instanceof ClassMetadataInterface) {
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|             // Cannot be UnsupportedMetadataException because of BC with
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|             // Symfony < 2.5
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|             throw new ValidatorException(sprintf('The metadata factory should return instances of "\Symfony\Component\Validator\Mapping\ClassMetadataInterface", got: "%s".', \is_object($classMetadata) ? \get_class($classMetadata) : \gettype($classMetadata)));
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|         }
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| 
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|         $propertyMetadatas = $classMetadata->getPropertyMetadata($propertyName);
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|         $groups = $groups ? $this->normalizeGroups($groups) : $this->defaultGroups;
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|         $cacheKey = spl_object_hash($object);
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|         $propertyPath = PropertyPath::append($this->defaultPropertyPath, $propertyName);
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| 
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|         $previousValue = $this->context->getValue();
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|         $previousObject = $this->context->getObject();
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|         $previousMetadata = $this->context->getMetadata();
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|         $previousPath = $this->context->getPropertyPath();
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|         $previousGroup = $this->context->getGroup();
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| 
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|         foreach ($propertyMetadatas as $propertyMetadata) {
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|             $propertyValue = $propertyMetadata->getPropertyValue($object);
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| 
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|             $this->validateGenericNode(
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|                 $propertyValue,
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|                 $object,
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|                 $cacheKey.':'.$propertyName,
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|                 $propertyMetadata,
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|                 $propertyPath,
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|                 $groups,
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|                 null,
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|                 TraversalStrategy::IMPLICIT,
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|                 $this->context
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|             );
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|         }
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| 
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|         $this->context->setNode($previousValue, $previousObject, $previousMetadata, $previousPath);
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|         $this->context->setGroup($previousGroup);
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * {@inheritdoc}
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|      */
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|     public function validatePropertyValue($objectOrClass, $propertyName, $value, $groups = null)
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|     {
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|         $classMetadata = $this->metadataFactory->getMetadataFor($objectOrClass);
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| 
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|         if (!$classMetadata instanceof ClassMetadataInterface) {
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|             // Cannot be UnsupportedMetadataException because of BC with
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|             // Symfony < 2.5
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|             throw new ValidatorException(sprintf('The metadata factory should return instances of "\Symfony\Component\Validator\Mapping\ClassMetadataInterface", got: "%s".', \is_object($classMetadata) ? \get_class($classMetadata) : \gettype($classMetadata)));
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|         }
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| 
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|         $propertyMetadatas = $classMetadata->getPropertyMetadata($propertyName);
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|         $groups = $groups ? $this->normalizeGroups($groups) : $this->defaultGroups;
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| 
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|         if (\is_object($objectOrClass)) {
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|             $object = $objectOrClass;
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|             $cacheKey = spl_object_hash($objectOrClass);
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|             $propertyPath = PropertyPath::append($this->defaultPropertyPath, $propertyName);
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|         } else {
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|             // $objectOrClass contains a class name
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|             $object = null;
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|             $cacheKey = null;
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|             $propertyPath = $this->defaultPropertyPath;
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|         }
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| 
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|         $previousValue = $this->context->getValue();
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|         $previousObject = $this->context->getObject();
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|         $previousMetadata = $this->context->getMetadata();
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|         $previousPath = $this->context->getPropertyPath();
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|         $previousGroup = $this->context->getGroup();
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| 
 | |
|         foreach ($propertyMetadatas as $propertyMetadata) {
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|             $this->validateGenericNode(
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|                 $value,
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|                 $object,
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|                 $cacheKey.':'.$propertyName,
 | |
|                 $propertyMetadata,
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|                 $propertyPath,
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|                 $groups,
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|                 null,
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|                 TraversalStrategy::IMPLICIT,
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|                 $this->context
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|             );
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|         }
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| 
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|         $this->context->setNode($previousValue, $previousObject, $previousMetadata, $previousPath);
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|         $this->context->setGroup($previousGroup);
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| 
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|         return $this;
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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 getViolations()
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|     {
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|         return $this->context->getViolations();
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|     }
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| 
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|     /**
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|      * Normalizes the given group or list of groups to an array.
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|      *
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|      * @param string|GroupSequence|(string|GroupSequence)[] $groups The groups to normalize
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|      *
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|      * @return (string|GroupSequence)[] A group array
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|      */
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|     protected function normalizeGroups($groups)
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|     {
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|         if (\is_array($groups)) {
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|             return $groups;
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|         }
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| 
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|         return array($groups);
 | |
|     }
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| 
 | |
|     /**
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|      * Validates an object against the constraints defined for its class.
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|      *
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|      * If no metadata is available for the class, but the class is an instance
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|      * of {@link \Traversable} and the selected traversal strategy allows
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|      * traversal, the object will be iterated and each nested object will be
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|      * validated instead.
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|      *
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|      * @param object                    $object            The object to cascade
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|      * @param string                    $propertyPath      The current property path
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|      * @param (string|GroupSequence)[]  $groups            The validated groups
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|      * @param int                       $traversalStrategy The strategy for traversing the
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|      *                                                     cascaded object
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|      * @param ExecutionContextInterface $context           The current execution context
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|      *
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|      * @throws NoSuchMetadataException      If the object has no associated metadata
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|      *                                      and does not implement {@link \Traversable}
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|      *                                      or if traversal is disabled via the
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|      *                                      $traversalStrategy argument
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|      * @throws UnsupportedMetadataException If the metadata returned by the
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|      *                                      metadata factory does not implement
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|      *                                      {@link ClassMetadataInterface}
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|      */
 | |
|     private function validateObject($object, $propertyPath, array $groups, $traversalStrategy, ExecutionContextInterface $context)
 | |
|     {
 | |
|         try {
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|             $classMetadata = $this->metadataFactory->getMetadataFor($object);
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| 
 | |
|             if (!$classMetadata instanceof ClassMetadataInterface) {
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|                 throw new UnsupportedMetadataException(sprintf('The metadata factory should return instances of "Symfony\Component\Validator\Mapping\ClassMetadataInterface", got: "%s".', \is_object($classMetadata) ? \get_class($classMetadata) : \gettype($classMetadata)));
 | |
|             }
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| 
 | |
|             $this->validateClassNode(
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|                 $object,
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|                 spl_object_hash($object),
 | |
|                 $classMetadata,
 | |
|                 $propertyPath,
 | |
|                 $groups,
 | |
|                 null,
 | |
|                 $traversalStrategy,
 | |
|                 $context
 | |
|             );
 | |
|         } catch (NoSuchMetadataException $e) {
 | |
|             // Rethrow if not Traversable
 | |
|             if (!$object instanceof \Traversable) {
 | |
|                 throw $e;
 | |
|             }
 | |
| 
 | |
|             // Rethrow unless IMPLICIT or TRAVERSE
 | |
|             if (!($traversalStrategy & (TraversalStrategy::IMPLICIT | TraversalStrategy::TRAVERSE))) {
 | |
|                 throw $e;
 | |
|             }
 | |
| 
 | |
|             $this->validateEachObjectIn(
 | |
|                 $object,
 | |
|                 $propertyPath,
 | |
|                 $groups,
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|                 $traversalStrategy & TraversalStrategy::STOP_RECURSION,
 | |
|                 $context
 | |
|             );
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Validates each object in a collection against the constraints defined
 | |
|      * for their classes.
 | |
|      *
 | |
|      * If the parameter $recursive is set to true, nested {@link \Traversable}
 | |
|      * objects are iterated as well. Nested arrays are always iterated,
 | |
|      * regardless of the value of $recursive.
 | |
|      *
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|      * @param iterable                  $collection    The collection
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|      * @param string                    $propertyPath  The current property path
 | |
|      * @param (string|GroupSequence)[]  $groups        The validated groups
 | |
|      * @param bool                      $stopRecursion Whether to disable
 | |
|      *                                                 recursive iteration. For
 | |
|      *                                                 backwards compatibility
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|      *                                                 with Symfony < 2.5.
 | |
|      * @param ExecutionContextInterface $context       The current execution context
 | |
|      *
 | |
|      * @see ClassNode
 | |
|      * @see CollectionNode
 | |
|      */
 | |
|     private function validateEachObjectIn($collection, $propertyPath, array $groups, $stopRecursion, ExecutionContextInterface $context)
 | |
|     {
 | |
|         if ($stopRecursion) {
 | |
|             $traversalStrategy = TraversalStrategy::NONE;
 | |
|         } else {
 | |
|             $traversalStrategy = TraversalStrategy::IMPLICIT;
 | |
|         }
 | |
| 
 | |
|         foreach ($collection as $key => $value) {
 | |
|             if (\is_array($value)) {
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|                 // Arrays are always cascaded, independent of the specified
 | |
|                 // traversal strategy
 | |
|                 // (BC with Symfony < 2.5)
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|                 $this->validateEachObjectIn(
 | |
|                     $value,
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|                     $propertyPath.'['.$key.']',
 | |
|                     $groups,
 | |
|                     $stopRecursion,
 | |
|                     $context
 | |
|                 );
 | |
| 
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             // Scalar and null values in the collection are ignored
 | |
|             // (BC with Symfony < 2.5)
 | |
|             if (\is_object($value)) {
 | |
|                 $this->validateObject(
 | |
|                     $value,
 | |
|                     $propertyPath.'['.$key.']',
 | |
|                     $groups,
 | |
|                     $traversalStrategy,
 | |
|                     $context
 | |
|                 );
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Validates a class node.
 | |
|      *
 | |
|      * A class node is a combination of an object with a {@link ClassMetadataInterface}
 | |
|      * instance. Each class node (conceptionally) has zero or more succeeding
 | |
|      * property nodes:
 | |
|      *
 | |
|      *     (Article:class node)
 | |
|      *                \
 | |
|      *        ($title:property node)
 | |
|      *
 | |
|      * This method validates the passed objects against all constraints defined
 | |
|      * at class level. It furthermore triggers the validation of each of the
 | |
|      * class' properties against the constraints for that property.
 | |
|      *
 | |
|      * If the selected traversal strategy allows traversal, the object is
 | |
|      * iterated and each nested object is validated against its own constraints.
 | |
|      * The object is not traversed if traversal is disabled in the class
 | |
|      * metadata.
 | |
|      *
 | |
|      * If the passed groups contain the group "Default", the validator will
 | |
|      * check whether the "Default" group has been replaced by a group sequence
 | |
|      * in the class metadata. If this is the case, the group sequence is
 | |
|      * validated instead.
 | |
|      *
 | |
|      * @param object                    $object            The validated object
 | |
|      * @param string                    $cacheKey          The key for caching
 | |
|      *                                                     the validated object
 | |
|      * @param ClassMetadataInterface    $metadata          The class metadata of
 | |
|      *                                                     the object
 | |
|      * @param string                    $propertyPath      The property path leading
 | |
|      *                                                     to the object
 | |
|      * @param (string|GroupSequence)[]  $groups            The groups in which the
 | |
|      *                                                     object should be validated
 | |
|      * @param string[]|null             $cascadedGroups    The groups in which
 | |
|      *                                                     cascaded objects should
 | |
|      *                                                     be validated
 | |
|      * @param int                       $traversalStrategy The strategy used for
 | |
|      *                                                     traversing the object
 | |
|      * @param ExecutionContextInterface $context           The current execution context
 | |
|      *
 | |
|      * @throws UnsupportedMetadataException  If a property metadata does not
 | |
|      *                                       implement {@link PropertyMetadataInterface}
 | |
|      * @throws ConstraintDefinitionException If traversal was enabled but the
 | |
|      *                                       object does not implement
 | |
|      *                                       {@link \Traversable}
 | |
|      *
 | |
|      * @see TraversalStrategy
 | |
|      */
 | |
|     private function validateClassNode($object, $cacheKey, ClassMetadataInterface $metadata = null, $propertyPath, array $groups, $cascadedGroups, $traversalStrategy, ExecutionContextInterface $context)
 | |
|     {
 | |
|         $context->setNode($object, $object, $metadata, $propertyPath);
 | |
| 
 | |
|         if (!$context->isObjectInitialized($cacheKey)) {
 | |
|             foreach ($this->objectInitializers as $initializer) {
 | |
|                 $initializer->initialize($object);
 | |
|             }
 | |
| 
 | |
|             $context->markObjectAsInitialized($cacheKey);
 | |
|         }
 | |
| 
 | |
|         foreach ($groups as $key => $group) {
 | |
|             // If the "Default" group is replaced by a group sequence, remember
 | |
|             // to cascade the "Default" group when traversing the group
 | |
|             // sequence
 | |
|             $defaultOverridden = false;
 | |
| 
 | |
|             // Use the object hash for group sequences
 | |
|             $groupHash = \is_object($group) ? spl_object_hash($group) : $group;
 | |
| 
 | |
|             if ($context->isGroupValidated($cacheKey, $groupHash)) {
 | |
|                 // Skip this group when validating the properties and when
 | |
|                 // traversing the object
 | |
|                 unset($groups[$key]);
 | |
| 
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             $context->markGroupAsValidated($cacheKey, $groupHash);
 | |
| 
 | |
|             // Replace the "Default" group by the group sequence defined
 | |
|             // for the class, if applicable.
 | |
|             // This is done after checking the cache, so that
 | |
|             // spl_object_hash() isn't called for this sequence and
 | |
|             // "Default" is used instead in the cache. This is useful
 | |
|             // if the getters below return different group sequences in
 | |
|             // every call.
 | |
|             if (Constraint::DEFAULT_GROUP === $group) {
 | |
|                 if ($metadata->hasGroupSequence()) {
 | |
|                     // The group sequence is statically defined for the class
 | |
|                     $group = $metadata->getGroupSequence();
 | |
|                     $defaultOverridden = true;
 | |
|                 } elseif ($metadata->isGroupSequenceProvider()) {
 | |
|                     // The group sequence is dynamically obtained from the validated
 | |
|                     // object
 | |
|                     /* @var \Symfony\Component\Validator\GroupSequenceProviderInterface $object */
 | |
|                     $group = $object->getGroupSequence();
 | |
|                     $defaultOverridden = true;
 | |
| 
 | |
|                     if (!$group instanceof GroupSequence) {
 | |
|                         $group = new GroupSequence($group);
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             // If the groups (=[<G1,G2>,G3,G4]) contain a group sequence
 | |
|             // (=<G1,G2>), then call validateClassNode() with each entry of the
 | |
|             // group sequence and abort if necessary (G1, G2)
 | |
|             if ($group instanceof GroupSequence) {
 | |
|                 $this->stepThroughGroupSequence(
 | |
|                      $object,
 | |
|                      $object,
 | |
|                      $cacheKey,
 | |
|                      $metadata,
 | |
|                      $propertyPath,
 | |
|                      $traversalStrategy,
 | |
|                      $group,
 | |
|                      $defaultOverridden ? Constraint::DEFAULT_GROUP : null,
 | |
|                      $context
 | |
|                 );
 | |
| 
 | |
|                 // Skip the group sequence when validating properties, because
 | |
|                 // stepThroughGroupSequence() already validates the properties
 | |
|                 unset($groups[$key]);
 | |
| 
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             $this->validateInGroup($object, $cacheKey, $metadata, $group, $context);
 | |
|         }
 | |
| 
 | |
|         // If no more groups should be validated for the property nodes,
 | |
|         // we can safely quit
 | |
|         if (0 === \count($groups)) {
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         // Validate all properties against their constraints
 | |
|         foreach ($metadata->getConstrainedProperties() as $propertyName) {
 | |
|             // If constraints are defined both on the getter of a property as
 | |
|             // well as on the property itself, then getPropertyMetadata()
 | |
|             // returns two metadata objects, not just one
 | |
|             foreach ($metadata->getPropertyMetadata($propertyName) as $propertyMetadata) {
 | |
|                 if (!$propertyMetadata instanceof PropertyMetadataInterface) {
 | |
|                     throw new UnsupportedMetadataException(sprintf('The property metadata instances should implement "Symfony\Component\Validator\Mapping\PropertyMetadataInterface", got: "%s".', \is_object($propertyMetadata) ? \get_class($propertyMetadata) : \gettype($propertyMetadata)));
 | |
|                 }
 | |
| 
 | |
|                 $propertyValue = $propertyMetadata->getPropertyValue($object);
 | |
| 
 | |
|                 $this->validateGenericNode(
 | |
|                     $propertyValue,
 | |
|                     $object,
 | |
|                     $cacheKey.':'.$propertyName,
 | |
|                     $propertyMetadata,
 | |
|                     PropertyPath::append($propertyPath, $propertyName),
 | |
|                     $groups,
 | |
|                     $cascadedGroups,
 | |
|                     TraversalStrategy::IMPLICIT,
 | |
|                     $context
 | |
|                 );
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // If no specific traversal strategy was requested when this method
 | |
|         // was called, use the traversal strategy of the class' metadata
 | |
|         if ($traversalStrategy & TraversalStrategy::IMPLICIT) {
 | |
|             // Keep the STOP_RECURSION flag, if it was set
 | |
|             $traversalStrategy = $metadata->getTraversalStrategy()
 | |
|                 | ($traversalStrategy & TraversalStrategy::STOP_RECURSION);
 | |
|         }
 | |
| 
 | |
|         // Traverse only if IMPLICIT or TRAVERSE
 | |
|         if (!($traversalStrategy & (TraversalStrategy::IMPLICIT | TraversalStrategy::TRAVERSE))) {
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         // If IMPLICIT, stop unless we deal with a Traversable
 | |
|         if ($traversalStrategy & TraversalStrategy::IMPLICIT && !$object instanceof \Traversable) {
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         // If TRAVERSE, fail if we have no Traversable
 | |
|         if (!$object instanceof \Traversable) {
 | |
|             // Must throw a ConstraintDefinitionException for backwards
 | |
|             // compatibility reasons with Symfony < 2.5
 | |
|             throw new ConstraintDefinitionException(sprintf('Traversal was enabled for "%s", but this class does not implement "\Traversable".', \get_class($object)));
 | |
|         }
 | |
| 
 | |
|         $this->validateEachObjectIn(
 | |
|             $object,
 | |
|             $propertyPath,
 | |
|             $groups,
 | |
|             $traversalStrategy & TraversalStrategy::STOP_RECURSION,
 | |
|             $context
 | |
|         );
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Validates a node that is not a class node.
 | |
|      *
 | |
|      * Currently, two such node types exist:
 | |
|      *
 | |
|      *  - property nodes, which consist of the value of an object's
 | |
|      *    property together with a {@link PropertyMetadataInterface} instance
 | |
|      *  - generic nodes, which consist of a value and some arbitrary
 | |
|      *    constraints defined in a {@link MetadataInterface} container
 | |
|      *
 | |
|      * In both cases, the value is validated against all constraints defined
 | |
|      * in the passed metadata object. Then, if the value is an instance of
 | |
|      * {@link \Traversable} and the selected traversal strategy permits it,
 | |
|      * the value is traversed and each nested object validated against its own
 | |
|      * constraints. Arrays are always traversed.
 | |
|      *
 | |
|      * @param mixed                     $value             The validated value
 | |
|      * @param object|null               $object            The current object
 | |
|      * @param string                    $cacheKey          The key for caching
 | |
|      *                                                     the validated value
 | |
|      * @param MetadataInterface         $metadata          The metadata of the
 | |
|      *                                                     value
 | |
|      * @param string                    $propertyPath      The property path leading
 | |
|      *                                                     to the value
 | |
|      * @param (string|GroupSequence)[]  $groups            The groups in which the
 | |
|      *                                                     value should be validated
 | |
|      * @param string[]|null             $cascadedGroups    The groups in which
 | |
|      *                                                     cascaded objects should
 | |
|      *                                                     be validated
 | |
|      * @param int                       $traversalStrategy The strategy used for
 | |
|      *                                                     traversing the value
 | |
|      * @param ExecutionContextInterface $context           The current execution context
 | |
|      *
 | |
|      * @see TraversalStrategy
 | |
|      */
 | |
|     private function validateGenericNode($value, $object, $cacheKey, MetadataInterface $metadata = null, $propertyPath, array $groups, $cascadedGroups, $traversalStrategy, ExecutionContextInterface $context)
 | |
|     {
 | |
|         $context->setNode($value, $object, $metadata, $propertyPath);
 | |
| 
 | |
|         foreach ($groups as $key => $group) {
 | |
|             if ($group instanceof GroupSequence) {
 | |
|                 $this->stepThroughGroupSequence(
 | |
|                      $value,
 | |
|                      $object,
 | |
|                      $cacheKey,
 | |
|                      $metadata,
 | |
|                      $propertyPath,
 | |
|                      $traversalStrategy,
 | |
|                      $group,
 | |
|                      null,
 | |
|                      $context
 | |
|                 );
 | |
| 
 | |
|                 // Skip the group sequence when cascading, as the cascading
 | |
|                 // logic is already done in stepThroughGroupSequence()
 | |
|                 unset($groups[$key]);
 | |
| 
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             $this->validateInGroup($value, $cacheKey, $metadata, $group, $context);
 | |
|         }
 | |
| 
 | |
|         if (0 === \count($groups)) {
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         if (null === $value) {
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         $cascadingStrategy = $metadata->getCascadingStrategy();
 | |
| 
 | |
|         // Quit unless we have an array or a cascaded object
 | |
|         if (!\is_array($value) && !($cascadingStrategy & CascadingStrategy::CASCADE)) {
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         // If no specific traversal strategy was requested when this method
 | |
|         // was called, use the traversal strategy of the node's metadata
 | |
|         if ($traversalStrategy & TraversalStrategy::IMPLICIT) {
 | |
|             // Keep the STOP_RECURSION flag, if it was set
 | |
|             $traversalStrategy = $metadata->getTraversalStrategy()
 | |
|                 | ($traversalStrategy & TraversalStrategy::STOP_RECURSION);
 | |
|         }
 | |
| 
 | |
|         // The $cascadedGroups property is set, if the "Default" group is
 | |
|         // overridden by a group sequence
 | |
|         // See validateClassNode()
 | |
|         $cascadedGroups = null !== $cascadedGroups && \count($cascadedGroups) > 0 ? $cascadedGroups : $groups;
 | |
| 
 | |
|         if (\is_array($value)) {
 | |
|             // Arrays are always traversed, independent of the specified
 | |
|             // traversal strategy
 | |
|             // (BC with Symfony < 2.5)
 | |
|             $this->validateEachObjectIn(
 | |
|                 $value,
 | |
|                 $propertyPath,
 | |
|                 $cascadedGroups,
 | |
|                 $traversalStrategy & TraversalStrategy::STOP_RECURSION,
 | |
|                 $context
 | |
|             );
 | |
| 
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         // If the value is a scalar, pass it anyway, because we want
 | |
|         // a NoSuchMetadataException to be thrown in that case
 | |
|         // (BC with Symfony < 2.5)
 | |
|         $this->validateObject(
 | |
|             $value,
 | |
|             $propertyPath,
 | |
|             $cascadedGroups,
 | |
|             $traversalStrategy,
 | |
|             $context
 | |
|         );
 | |
| 
 | |
|         // Currently, the traversal strategy can only be TRAVERSE for a
 | |
|         // generic node if the cascading strategy is CASCADE. Thus, traversable
 | |
|         // objects will always be handled within validateObject() and there's
 | |
|         // nothing more to do here.
 | |
| 
 | |
|         // see GenericMetadata::addConstraint()
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Sequentially validates a node's value in each group of a group sequence.
 | |
|      *
 | |
|      * If any of the constraints generates a violation, subsequent groups in the
 | |
|      * group sequence are skipped.
 | |
|      *
 | |
|      * @param mixed                     $value             The validated value
 | |
|      * @param object|null               $object            The current object
 | |
|      * @param string                    $cacheKey          The key for caching
 | |
|      *                                                     the validated value
 | |
|      * @param MetadataInterface         $metadata          The metadata of the
 | |
|      *                                                     value
 | |
|      * @param string                    $propertyPath      The property path leading
 | |
|      *                                                     to the value
 | |
|      * @param int                       $traversalStrategy The strategy used for
 | |
|      *                                                     traversing the value
 | |
|      * @param GroupSequence             $groupSequence     The group sequence
 | |
|      * @param string|null               $cascadedGroup     The group that should
 | |
|      *                                                     be passed to cascaded
 | |
|      *                                                     objects instead of
 | |
|      *                                                     the group sequence
 | |
|      * @param ExecutionContextInterface $context           The execution context
 | |
|      */
 | |
|     private function stepThroughGroupSequence($value, $object, $cacheKey, MetadataInterface $metadata = null, $propertyPath, $traversalStrategy, GroupSequence $groupSequence, $cascadedGroup, ExecutionContextInterface $context)
 | |
|     {
 | |
|         $violationCount = \count($context->getViolations());
 | |
|         $cascadedGroups = $cascadedGroup ? array($cascadedGroup) : null;
 | |
| 
 | |
|         foreach ($groupSequence->groups as $groupInSequence) {
 | |
|             $groups = array($groupInSequence);
 | |
| 
 | |
|             if ($metadata instanceof ClassMetadataInterface) {
 | |
|                 $this->validateClassNode(
 | |
|                      $value,
 | |
|                      $cacheKey,
 | |
|                      $metadata,
 | |
|                      $propertyPath,
 | |
|                      $groups,
 | |
|                      $cascadedGroups,
 | |
|                      $traversalStrategy,
 | |
|                      $context
 | |
|                 );
 | |
|             } else {
 | |
|                 $this->validateGenericNode(
 | |
|                      $value,
 | |
|                      $object,
 | |
|                      $cacheKey,
 | |
|                      $metadata,
 | |
|                      $propertyPath,
 | |
|                      $groups,
 | |
|                      $cascadedGroups,
 | |
|                      $traversalStrategy,
 | |
|                      $context
 | |
|                 );
 | |
|             }
 | |
| 
 | |
|             // Abort sequence validation if a violation was generated
 | |
|             if (\count($context->getViolations()) > $violationCount) {
 | |
|                 break;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Validates a node's value against all constraints in the given group.
 | |
|      *
 | |
|      * @param mixed                     $value    The validated value
 | |
|      * @param string                    $cacheKey The key for caching the
 | |
|      *                                            validated value
 | |
|      * @param MetadataInterface         $metadata The metadata of the value
 | |
|      * @param string                    $group    The group to validate
 | |
|      * @param ExecutionContextInterface $context  The execution context
 | |
|      */
 | |
|     private function validateInGroup($value, $cacheKey, MetadataInterface $metadata, $group, ExecutionContextInterface $context)
 | |
|     {
 | |
|         $context->setGroup($group);
 | |
| 
 | |
|         foreach ($metadata->findConstraints($group) as $constraint) {
 | |
|             // Prevent duplicate validation of constraints, in the case
 | |
|             // that constraints belong to multiple validated groups
 | |
|             if (null !== $cacheKey) {
 | |
|                 $constraintHash = spl_object_hash($constraint);
 | |
| 
 | |
|                 if ($context->isConstraintValidated($cacheKey, $constraintHash)) {
 | |
|                     continue;
 | |
|                 }
 | |
| 
 | |
|                 $context->markConstraintAsValidated($cacheKey, $constraintHash);
 | |
|             }
 | |
| 
 | |
|             $context->setConstraint($constraint);
 | |
| 
 | |
|             $validator = $this->validatorFactory->getInstance($constraint);
 | |
|             $validator->initialize($context);
 | |
|             $validator->validate($value, $constraint);
 | |
|         }
 | |
|     }
 | |
| }
 |