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<?php declare(strict_types=1); |
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/* |
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* This file is part of the pinepain/js-sandbox PHP library. |
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* |
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* Copyright (c) 2016-2017 Bogdan Padalko <[email protected]> |
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* |
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* Licensed under the MIT license: http://opensource.org/licenses/MIT |
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* |
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* For the full copyright and license information, please view the |
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* LICENSE file that was distributed with this source or visit |
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* http://opensource.org/licenses/MIT |
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*/ |
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namespace Pinepain\JsSandbox\Wrappers; |
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use Pinepain\JsSandbox\Specs\FunctionSpec; |
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use Pinepain\JsSandbox\Specs\ObjectSpecInterface; |
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use Pinepain\JsSandbox\Specs\ObjectSpecsCollectionInterface; |
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use Pinepain\JsSandbox\Wrappers\ObjectComponents\PropertiesHandlerInterface; |
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use Pinepain\JsSandbox\Wrappers\ObjectComponents\WrappedObject; |
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use Pinepain\JsSandbox\Wrappers\ObjectComponents\WrappersObjectStoreInterface; |
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use Pinepain\JsSandbox\Wrappers\Runtime\RuntimeObject; |
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use V8\Context; |
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use V8\FunctionObject; |
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use V8\FunctionTemplate; |
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use V8\Isolate; |
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use V8\ObjectValue; |
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use V8\PropertyAttribute; |
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use V8\StringValue; |
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use V8\Value; |
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use function is_object; |
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class ObjectWrapper implements WrapperInterface, WrapperAwareInterface |
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{ |
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use WrapperAwareTrait; |
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/** |
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* @var ObjectSpecsCollectionInterface |
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*/ |
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private $specs; |
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/** |
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* @var WrappersObjectStoreInterface |
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*/ |
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private $wrappers_cache; |
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/** |
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* @var PropertiesHandlerInterface |
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*/ |
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private $properties_handler; |
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public function __construct(WrappersObjectStoreInterface $wrappers_cache, ObjectSpecsCollectionInterface $specs, PropertiesHandlerInterface $properties_handler) |
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{ |
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$this->wrappers_cache = $wrappers_cache; |
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$this->specs = $specs; |
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$this->properties_handler = $properties_handler; |
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} |
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/** |
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* @param Isolate $isolate |
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* @param Context $context |
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* @param object $object |
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* |
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* @return ObjectValue |
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* @throws WrapperException |
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*/ |
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public function wrap(Isolate $isolate, Context $context, $object) |
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{ |
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if (!is_object($object)) { |
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// UNLIKELY |
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throw new WrapperException('Value to wrap must be an object, ' . gettype($object) . ' given instead'); |
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} |
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if ($object instanceof Value) { |
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// UNLIKELY |
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throw new WrapperException('Wrapping JS native values is not supported'); |
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} |
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$js_object = null; |
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$spec = null; |
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if ($object instanceof WrappedObject) { |
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$js_object = $object->getValue(); |
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$spec = $object->getSpec(); |
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$object = $object->getObject(); |
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} |
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if ($this->wrappers_cache->has($object)) { |
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return $this->wrappers_cache->get($object); |
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} |
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if (!$spec) { |
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$spec_name = $this->getObjectSpecName($object); |
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$spec = $this->getSpec($spec_name); |
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} |
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$bridge = new RuntimeObject($object, $spec, $this->wrapper); |
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if ($js_object) { |
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// we have wrapped js object, but without property set |
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$this->setProperties($isolate, $context, $spec, $js_object, $bridge); |
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} else { |
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// when we have already wrapped object (e.g. when we build function which also acts as an object) |
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// we make this wrapped php object tied to it initial js wrapper |
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$js_object = $this->createWrapper($isolate, $context, $spec, $bridge); |
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} |
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$this->wrappers_cache->put($object, $js_object); |
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return $js_object; |
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} |
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private function getObjectSpecName($object): string |
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{ |
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return get_class($object); |
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} |
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/** |
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* @param string $name |
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* |
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* @return ObjectSpecInterface |
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*/ |
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protected function getSpec(string $name): ObjectSpecInterface |
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{ |
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return $this->specs->get($name); |
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} |
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protected function getWrapperFunction(Isolate $isolate, Context $context, ObjectSpecInterface $spec, RuntimeObject $bridge): FunctionObject |
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{ |
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$tpl = new FunctionTemplate($isolate); |
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$tpl->setClassName(new StringValue($isolate, $spec->getName())); |
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$tpl->instanceTemplate()->setHandlerForNamedProperty($this->properties_handler->createConfiguration($bridge)); |
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// NOTE: we don't handle static properties here |
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// NOTE: we don't handle inheritance here |
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// TODO: add support to call Object as Function |
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//$tpl->InstanceTemplate()->SetCallAsFunctionHandler(); |
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$func = $tpl->getFunction($context); |
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return $func; |
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} |
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protected function createWrapper(Isolate $isolate, Context $context, ObjectSpecInterface $spec, RuntimeObject $bridge): ObjectValue |
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{ |
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return $this->getWrapperFunction($isolate, $context, $spec, $bridge)->newInstance($context); |
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} |
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protected function setProperties(Isolate $isolate, Context $context, ObjectSpecInterface $spec, ObjectValue $js_object, RuntimeObject $bridge) |
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{ |
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$getter = $this->properties_handler->createGetter($bridge); |
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$setter = $this->properties_handler->createSetter($bridge); |
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foreach ($spec->getProperties() as $name => $property_spec) { |
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$js_name = new StringValue($isolate, $name); |
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$attributes = PropertyAttribute::DONT_DELETE; |
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if ($property_spec instanceof FunctionSpec || $property_spec->isReadonly()) { |
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$attributes |= PropertyAttribute::READ_ONLY; |
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} |
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$js_object->setNativeDataProperty($context, $js_name, $getter, $setter, $attributes); |
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} |
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} |
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} |
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pinepain /
js-sandbox
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composer.jsonfile (if available) to determine the dependencies of your project and to determine all the available classes and functions. It expects thecomposer.jsonto be in the root folder of your repository.Are you sure this class is defined by one of your dependencies, or did you maybe not list a dependency in either the
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