Files
react-native/ReactCommon/react/renderer/components/text/conversions.h
T
David Vacca 91b3f5d48a Implement and integrate Mapbuffer
Summary:
This diff contains the code from the 35 diff stack  - D27210587

This diff implement and integrates Mapbuffer into Fabric text measure system

changelog: [internal] internal

Reviewed By: JoshuaGross

Differential Revision: D27241836

fbshipit-source-id: f40a780df0723f27da440f709a8676cfcca63953
2021-03-24 03:52:31 -07:00

50 lines
1.7 KiB
C++

/*
* 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.
*/
#include <folly/dynamic.h>
#include <react/renderer/attributedstring/conversions.h>
#include <react/renderer/components/text/ParagraphState.h>
#ifdef ANDROID
#include <react/renderer/mapbuffer/MapBuffer.h>
#include <react/renderer/mapbuffer/MapBufferBuilder.h>
#endif
namespace facebook {
namespace react {
#ifdef ANDROID
inline folly::dynamic toDynamic(ParagraphState const &paragraphState) {
folly::dynamic newState = folly::dynamic::object();
newState["attributedString"] = toDynamic(paragraphState.attributedString);
newState["paragraphAttributes"] =
toDynamic(paragraphState.paragraphAttributes);
newState["hash"] = newState["attributedString"]["hash"];
return newState;
}
// constants for Text State serialization
constexpr static Key TX_STATE_KEY_ATTRIBUTED_STRING = 0;
constexpr static Key TX_STATE_KEY_PARAGRAPH_ATTRIBUTES = 1;
// Used for TextInput
constexpr static Key TX_STATE_KEY_HASH = 2;
constexpr static Key TX_STATE_KEY_MOST_RECENT_EVENT_COUNT = 3;
inline MapBuffer toMapBuffer(ParagraphState const &paragraphState) {
auto builder = MapBufferBuilder();
auto attStringMapBuffer = toMapBuffer(paragraphState.attributedString);
builder.putMapBuffer(TX_STATE_KEY_ATTRIBUTED_STRING, attStringMapBuffer);
auto paMapBuffer = toMapBuffer(paragraphState.paragraphAttributes);
builder.putMapBuffer(TX_STATE_KEY_PARAGRAPH_ATTRIBUTES, paMapBuffer);
// TODO: Used for TextInput
builder.putInt(TX_STATE_KEY_HASH, 1234);
return builder.build();
}
#endif
} // namespace react
} // namespace facebook