react-native-macos/ReactCommon/fabric/element/ComponentBuilder.h

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1.3 KiB
C
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/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <memory>
#include <react/core/ComponentDescriptor.h>
#include <react/core/ShadowNode.h>
#include <react/core/ShadowNodeFamilyFragment.h>
#include <react/core/ShadowNodeFragment.h>
#include <react/uimanager/ComponentDescriptorRegistry.h>
#include <react/element/Element.h>
#include <react/element/ElementFragment.h>
namespace facebook {
namespace react {
/*
* Build `ShadowNode` trees with a given given `Element` trees.
*/
class ComponentBuilder final {
public:
ComponentBuilder(
ComponentDescriptorRegistry::Shared const &componentDescriptorRegistry);
/*
* Builds a `ShadowNode` tree with given `Element` tree using stored
* `ComponentDescriptorRegistry`.
*/
template <typename ShadowNodeT>
std::shared_ptr<ShadowNodeT const> build(Element<ShadowNodeT> element) const {
return std::static_pointer_cast<ShadowNodeT const>(
build(element.fragment_));
}
private:
/*
* Internal, type-erased version of `build`.
*/
ShadowNode::Shared build(ElementFragment const &elementFragment) const;
ComponentDescriptorRegistry::Shared componentDescriptorRegistry_;
};
} // namespace react
} // namespace facebook