amis-rpc-design/node_modules/react-native/ReactCommon/react/renderer/mapbuffer/MapBufferBuilder.h
2023-10-07 19:42:30 +08:00

65 lines
1.4 KiB
C++

/*
* Copyright (c) Meta Platforms, Inc. and 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 <react/debug/react_native_assert.h>
#include <react/renderer/mapbuffer/MapBuffer.h>
#include <vector>
namespace facebook {
namespace react {
// Default reserved size for buckets_ vector
constexpr uint32_t INITIAL_BUCKETS_SIZE = 10;
/**
* MapBufferBuilder is a builder class for MapBuffer
*/
class MapBufferBuilder {
public:
MapBufferBuilder(uint32_t initialSize = INITIAL_BUCKETS_SIZE);
static MapBuffer EMPTY();
void putInt(MapBuffer::Key key, int32_t value);
void putBool(MapBuffer::Key key, bool value);
void putDouble(MapBuffer::Key key, double value);
void putString(MapBuffer::Key key, std::string const &value);
void putMapBuffer(MapBuffer::Key key, MapBuffer const &map);
void putMapBufferList(
MapBuffer::Key key,
const std::vector<MapBuffer> &mapBufferList);
MapBuffer build();
private:
MapBuffer::Header header_;
std::vector<MapBuffer::Bucket> buckets_{};
std::vector<uint8_t> dynamicData_{};
uint16_t lastKey_{0};
bool needsSort_{false};
void storeKeyValue(
MapBuffer::Key key,
MapBuffer::DataType type,
uint8_t const *value,
uint32_t valueSize);
};
} // namespace react
} // namespace facebook