Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/validator/Mapping/GenericMetadata.php

@@ -0,0 +1,245 @@
+<?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\Mapping;
+
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\Constraints\Traverse;
+use Symfony\Component\Validator\Constraints\Valid;
+use Symfony\Component\Validator\Exception\BadMethodCallException;
+use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
+use Symfony\Component\Validator\ValidationVisitorInterface;
+
+/**
+ * A generic container of {@link Constraint} objects.
+ *
+ * This class supports serialization and cloning.
+ *
+ * @since  2.5
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class GenericMetadata implements MetadataInterface
+{
+    /**
+     * @var Constraint[]
+     *
+     * @internal This property is public in order to reduce the size of the
+     *           class' serialized representation. Do not access it. Use
+     *           {@link getConstraints()} and {@link findConstraints()} instead.
+     */
+    public $constraints = array();
+
+    /**
+     * @var array
+     *
+     * @internal This property is public in order to reduce the size of the
+     *           class' serialized representation. Do not access it. Use
+     *           {@link findConstraints()} instead.
+     */
+    public $constraintsByGroup = array();
+
+    /**
+     * The strategy for cascading objects.
+     *
+     * By default, objects are not cascaded.
+     *
+     * @var int
+     *
+     * @see CascadingStrategy
+     *
+     * @internal This property is public in order to reduce the size of the
+     *           class' serialized representation. Do not access it. Use
+     *           {@link getCascadingStrategy()} instead.
+     */
+    public $cascadingStrategy = CascadingStrategy::NONE;
+
+    /**
+     * The strategy for traversing traversable objects.
+     *
+     * By default, traversable objects are not traversed.
+     *
+     * @var int
+     *
+     * @see TraversalStrategy
+     *
+     * @internal This property is public in order to reduce the size of the
+     *           class' serialized representation. Do not access it. Use
+     *           {@link getTraversalStrategy()} instead.
+     */
+    public $traversalStrategy = TraversalStrategy::NONE;
+
+    /**
+     * Returns the names of the properties that should be serialized.
+     *
+     * @return string[]
+     */
+    public function __sleep()
+    {
+        return array(
+            'constraints',
+            'constraintsByGroup',
+            'cascadingStrategy',
+            'traversalStrategy',
+        );
+    }
+
+    /**
+     * Clones this object.
+     */
+    public function __clone()
+    {
+        $constraints = $this->constraints;
+
+        $this->constraints = array();
+        $this->constraintsByGroup = array();
+
+        foreach ($constraints as $constraint) {
+            $this->addConstraint(clone $constraint);
+        }
+    }
+
+    /**
+     * Adds a constraint.
+     *
+     * If the constraint {@link Valid} is added, the cascading strategy will be
+     * changed to {@link CascadingStrategy::CASCADE}. Depending on the
+     * properties $traverse and $deep of that constraint, the traversal strategy
+     * will be set to one of the following:
+     *
+     *  - {@link TraversalStrategy::IMPLICIT} if $traverse is enabled and $deep
+     *    is enabled
+     *  - {@link TraversalStrategy::IMPLICIT} | {@link TraversalStrategy::STOP_RECURSION}
+     *    if $traverse is enabled, but $deep is disabled
+     *  - {@link TraversalStrategy::NONE} if $traverse is disabled
+     *
+     * @param Constraint $constraint The constraint to add
+     *
+     * @return GenericMetadata This object
+     *
+     * @throws ConstraintDefinitionException When trying to add the
+     *                                       {@link Traverse} constraint
+     */
+    public function addConstraint(Constraint $constraint)
+    {
+        if ($constraint instanceof Traverse) {
+            throw new ConstraintDefinitionException(sprintf(
+                'The constraint "%s" can only be put on classes. Please use '.
+                '"Symfony\Component\Validator\Constraints\Valid" instead.',
+                get_class($constraint)
+            ));
+        }
+
+        if ($constraint instanceof Valid) {
+            $this->cascadingStrategy = CascadingStrategy::CASCADE;
+
+            if ($constraint->traverse) {
+                // Traverse unless the value is not traversable
+                $this->traversalStrategy = TraversalStrategy::IMPLICIT;
+
+                if (!$constraint->deep) {
+                    $this->traversalStrategy |= TraversalStrategy::STOP_RECURSION;
+                }
+            } else {
+                $this->traversalStrategy = TraversalStrategy::NONE;
+            }
+
+            return $this;
+        }
+
+        $this->constraints[] = $constraint;
+
+        foreach ($constraint->groups as $group) {
+            $this->constraintsByGroup[$group][] = $constraint;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Adds an list of constraints.
+     *
+     * @param Constraint[] $constraints The constraints to add
+     *
+     * @return GenericMetadata This object
+     */
+    public function addConstraints(array $constraints)
+    {
+        foreach ($constraints as $constraint) {
+            $this->addConstraint($constraint);
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getConstraints()
+    {
+        return $this->constraints;
+    }
+
+    /**
+     * Returns whether this element has any constraints.
+     *
+     * @return bool
+     */
+    public function hasConstraints()
+    {
+        return count($this->constraints) > 0;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * Aware of the global group (* group).
+     */
+    public function findConstraints($group)
+    {
+        return isset($this->constraintsByGroup[$group])
+            ? $this->constraintsByGroup[$group]
+            : array();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getCascadingStrategy()
+    {
+        return $this->cascadingStrategy;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTraversalStrategy()
+    {
+        return $this->traversalStrategy;
+    }
+
+    /**
+     * Exists for compatibility with the deprecated
+     * {@link Symfony\Component\Validator\MetadataInterface}.
+     *
+     * Should not be used.
+     *
+     * Implemented for backward compatibility with Symfony < 2.5.
+     *
+     * @throws BadMethodCallException
+     *
+     * @deprecated since version 2.5, to be removed in 3.0.
+     */
+    public function accept(ValidationVisitorInterface $visitor, $value, $group, $propertyPath)
+    {
+        throw new BadMethodCallException('Not supported.');
+    }
+}