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vendor/symfony/validator/Mapping/GenericMetadata.php

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+<?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\Cascade;
+use Symfony\Component\Validator\Constraints\DisableAutoMapping;
+use Symfony\Component\Validator\Constraints\EnableAutoMapping;
+use Symfony\Component\Validator\Constraints\Traverse;
+use Symfony\Component\Validator\Constraints\Valid;
+use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
+
+/**
+ * A generic container of {@link Constraint} objects.
+ *
+ * This class supports serialization and cloning.
+ *
+ * @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 = [];
+
+    /**
+     * @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 = [];
+
+    /**
+     * 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;
+
+    /**
+     * Is auto-mapping enabled?
+     *
+     * @var int
+     *
+     * @see AutoMappingStrategy
+     *
+     * @internal This property is public in order to reduce the size of the
+     *           class' serialized representation. Do not access it. Use
+     *           {@link getAutoMappingStrategy()} instead.
+     */
+    public $autoMappingStrategy = AutoMappingStrategy::NONE;
+
+    /**
+     * Returns the names of the properties that should be serialized.
+     *
+     * @return string[]
+     */
+    public function __sleep()
+    {
+        return [
+            'constraints',
+            'constraintsByGroup',
+            'cascadingStrategy',
+            'traversalStrategy',
+            'autoMappingStrategy',
+        ];
+    }
+
+    /**
+     * Clones this object.
+     */
+    public function __clone()
+    {
+        $constraints = $this->constraints;
+
+        $this->constraints = [];
+        $this->constraintsByGroup = [];
+
+        foreach ($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
+     * $traverse property of that constraint, the traversal strategy
+     * will be set to one of the following:
+     *
+     *  - {@link TraversalStrategy::IMPLICIT} if $traverse is enabled
+     *  - {@link TraversalStrategy::NONE} if $traverse is disabled
+     *
+     * @return $this
+     *
+     * @throws ConstraintDefinitionException When trying to add the {@link Cascade}
+     *                                       or {@link Traverse} constraint
+     */
+    public function addConstraint(Constraint $constraint)
+    {
+        if ($constraint instanceof Traverse || $constraint instanceof Cascade) {
+            throw new ConstraintDefinitionException(sprintf('The constraint "%s" can only be put on classes. Please use "Symfony\Component\Validator\Constraints\Valid" instead.', get_debug_type($constraint)));
+        }
+
+        if ($constraint instanceof Valid && null === $constraint->groups) {
+            $this->cascadingStrategy = CascadingStrategy::CASCADE;
+
+            if ($constraint->traverse) {
+                $this->traversalStrategy = TraversalStrategy::IMPLICIT;
+            } else {
+                $this->traversalStrategy = TraversalStrategy::NONE;
+            }
+
+            return $this;
+        }
+
+        if ($constraint instanceof DisableAutoMapping || $constraint instanceof EnableAutoMapping) {
+            $this->autoMappingStrategy = $constraint instanceof EnableAutoMapping ? AutoMappingStrategy::ENABLED : AutoMappingStrategy::DISABLED;
+
+            // The constraint is not added
+            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 $this
+     */
+    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(string $group)
+    {
+        return $this->constraintsByGroup[$group] ?? [];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getCascadingStrategy()
+    {
+        return $this->cascadingStrategy;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTraversalStrategy()
+    {
+        return $this->traversalStrategy;
+    }
+
+    /**
+     * @see AutoMappingStrategy
+     */
+    public function getAutoMappingStrategy(): int
+    {
+        return $this->autoMappingStrategy;
+    }
+}