mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Vitali Zaidman
ceb1d0dea6
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/36030 Generate enum types in c++ turbo modules. For enums in the ts schema file such as: ``` export enum NumEnum { ONE = 1, TWO = 2, } ``` This would export enums and the relevant Bridging to js and from js code to the spec H files such as: ``` #pragma mark - SampleTurboModuleCxxNumEnum enum SampleTurboModuleCxxNumEnum { ONE, TWO }; template <> struct Bridging<SampleTurboModuleCxxNumEnum> { static SampleTurboModuleCxxNumEnum fromJs(jsi::Runtime &rt, int32_t value) { if (value == 1) { return SampleTurboModuleCxxNumEnum::ONE; } else if (value == 2) { return SampleTurboModuleCxxNumEnum::TWO; } else { throw jsi::JSError(rt, "No appropriate enum member found for value"); } } static jsi::Value toJs(jsi::Runtime &rt, SampleTurboModuleCxxNumEnum value) { if (value == SampleTurboModuleCxxNumEnum::ONE) { return bridging::toJs(rt, 1); } else if (value == SampleTurboModuleCxxNumEnum::TWO) { return bridging::toJs(rt, 2); } else { throw jsi::JSError(rt, "No appropriate enum member found for enum value"); } } }; ``` That code would allow us to use these enums in the cxx files like this: ``` NativeCxxModuleExampleCxxEnumInt getNumEnum( jsi::Runtime &rt, NativeCxxModuleExampleCxxEnumInt arg); ``` Changelog: [General] [Added] Generate enum types that would be allowed to be used as well as string/number in c++ turbo modules generators Reviewed By: christophpurrer Differential Revision: D42884147 fbshipit-source-id: d34d1fc7ba268b570821dc108444196f69a431b2
127 lines
3.5 KiB
C++
127 lines
3.5 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#if __has_include(<React-Codegen/AppSpecsJSI.h>) // CocoaPod headers on Apple
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#include <React-Codegen/AppSpecsJSI.h>
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#elif __has_include("AppSpecsJSI.h") // Cmake headers on Android
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#include "AppSpecsJSI.h"
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#else // BUCK headers
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#include <AppSpecs/AppSpecsJSI.h>
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#endif
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#include <memory>
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#include <set>
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#include <string>
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#include <vector>
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namespace facebook::react {
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#pragma mark - Structs
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using ConstantsStruct =
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NativeCxxModuleExampleCxxBaseConstantsStruct<bool, int32_t, std::string>;
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template <>
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struct Bridging<ConstantsStruct>
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: NativeCxxModuleExampleCxxBaseConstantsStructBridging<
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bool,
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int32_t,
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std::string> {};
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using ObjectStruct = NativeCxxModuleExampleCxxBaseObjectStruct<
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int32_t,
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std::string,
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std::optional<std::string>>;
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template <>
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struct Bridging<ObjectStruct>
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: NativeCxxModuleExampleCxxBaseObjectStructBridging<
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int32_t,
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std::string,
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std::optional<std::string>> {};
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using ValueStruct =
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NativeCxxModuleExampleCxxBaseValueStruct<double, std::string, ObjectStruct>;
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template <>
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struct Bridging<ValueStruct> : NativeCxxModuleExampleCxxBaseValueStructBridging<
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double,
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std::string,
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ObjectStruct> {};
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#pragma mark - enums
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enum CustomEnumInt { A = 23, B = 42 };
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template <>
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struct Bridging<CustomEnumInt> {
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static CustomEnumInt fromJs(jsi::Runtime &rt, int32_t value) {
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if (value == 23) {
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return CustomEnumInt::A;
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} else if (value == 42) {
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return CustomEnumInt::B;
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} else {
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throw jsi::JSError(rt, "Invalid enum value");
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}
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}
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static jsi::Value toJs(jsi::Runtime &rt, CustomEnumInt value) {
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return bridging::toJs(rt, static_cast<int32_t>(value));
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}
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};
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#pragma mark - implementation
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class NativeCxxModuleExample
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: public NativeCxxModuleExampleCxxSpec<NativeCxxModuleExample> {
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public:
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NativeCxxModuleExample(std::shared_ptr<CallInvoker> jsInvoker);
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void getValueWithCallback(
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jsi::Runtime &rt,
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AsyncCallback<std::string> callback);
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std::vector<std::optional<ObjectStruct>> getArray(
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jsi::Runtime &rt,
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std::vector<std::optional<ObjectStruct>> arg);
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bool getBool(jsi::Runtime &rt, bool arg);
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ConstantsStruct getConstants(jsi::Runtime &rt);
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CustomEnumInt getCustomEnum(jsi::Runtime &rt, CustomEnumInt arg);
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NativeCxxModuleExampleCxxEnumFloat getNumEnum(
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jsi::Runtime &rt,
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NativeCxxModuleExampleCxxEnumInt arg);
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NativeCxxModuleExampleCxxEnumStr getStrEnum(
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jsi::Runtime &rt,
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NativeCxxModuleExampleCxxEnumNone arg);
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std::map<std::string, std::optional<int32_t>> getMap(
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jsi::Runtime &rt,
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std::map<std::string, std::optional<int32_t>> arg);
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double getNumber(jsi::Runtime &rt, double arg);
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ObjectStruct getObject(jsi::Runtime &rt, ObjectStruct arg);
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std::set<float> getSet(jsi::Runtime &rt, std::set<float> arg);
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std::string getString(jsi::Runtime &rt, std::string arg);
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std::string getUnion(jsi::Runtime &rt, float x, std::string y, jsi::Object z);
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ValueStruct
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getValue(jsi::Runtime &rt, double x, std::string y, ObjectStruct z);
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AsyncPromise<std::string> getValueWithPromise(jsi::Runtime &rt, bool error);
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void voidFunc(jsi::Runtime &rt);
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};
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} // namespace facebook::react
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