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<?php |
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/* |
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* Copyright 2013 Johannes M. Schmitt <[email protected]> |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace JMS\Serializer; |
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use JMS\Serializer\Exception\LogicException; |
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use JMS\Serializer\Exception\RuntimeException; |
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use Metadata\MetadataFactoryInterface; |
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class SerializationContext extends Context |
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{ |
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/** @var \SplObjectStorage */ |
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private $visitingSet; |
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/** @var \SplStack */ |
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private $visitingStack; |
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public static function create() |
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{ |
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return new self(); |
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} |
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/** |
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* @param string $format |
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*/ |
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public function initialize($format, VisitorInterface $visitor, GraphNavigator $navigator, MetadataFactoryInterface $factory) |
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{ |
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parent::initialize($format, $visitor, $navigator, $factory); |
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$this->visitingSet = new \SplObjectStorage(); |
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$this->visitingStack = new \SplStack(); |
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} |
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public function startVisiting($object) |
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{ |
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if ( ! is_object($object)) { |
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return; |
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} |
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$this->visitingSet->attach($object); |
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$this->visitingStack->push($object); |
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} |
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public function stopVisiting($object) |
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{ |
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if ( ! is_object($object)) { |
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return; |
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} |
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$this->visitingSet->detach($object); |
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$poppedObject = $this->visitingStack->pop(); |
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if ($object !== $poppedObject) { |
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throw new RuntimeException('Context visitingStack not working well'); |
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} |
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} |
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public function isVisiting($object) |
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{ |
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if ( ! is_object($object)) { |
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return false; |
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} |
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return $this->visitingSet->contains($object); |
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} |
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1 |
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public function getPath() |
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{ |
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$path = array(); |
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foreach ($this->visitingStack as $obj) { |
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$path[] = get_class($obj); |
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} |
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if ( ! $path) { |
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return null; |
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} |
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return implode(' -> ', $path); |
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} |
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public function getDirection() |
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{ |
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return GraphNavigator::DIRECTION_SERIALIZATION; |
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} |
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public function getDepth() |
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{ |
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return $this->visitingStack->count(); |
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} |
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public function getObject() |
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{ |
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return ! $this->visitingStack->isEmpty() ? $this->visitingStack->top() : null; |
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} |
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public function getVisitingStack() |
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{ |
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return $this->visitingStack; |
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} |
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public function getVisitingSet() |
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{ |
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return $this->visitingSet; |
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} |
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} |
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schmittjoh /
serializer
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.