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修改napi class的snippets
Signed-off-by: chen-zhongwei050 <chenzhongwei050@chinasoftinc.com>
This commit is contained in:
chen-zhongwei050
parent
78b060854f
commit
866d668fcb
@ -2,82 +2,82 @@
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"Napi Class": {
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"prefix": "napiclass",
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"body": [
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"class HelloWorld {",
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" public:",
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" static napi_value Init(napi_env env, napi_value exports);",
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" static void Destructor(napi_env env, void* nativeObject, void* finalize_hint);",
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" private:",
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" explicit HelloWorld();",
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" ~HelloWorld();",
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" static napi_value New(napi_env env, napi_callback_info info);",
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" static napi_value GetValue(napi_env env, napi_callback_info info);",
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" static napi_value SetValue(napi_env env, napi_callback_info info);",
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" static napi_value Hello(napi_env env, napi_callback_info info);",
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" std::string value_;",
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" napi_env env_;",
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" napi_ref wrapper_;",
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" };",
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" HelloWorld::HelloWorld(): value_(\"\"), env_(nullptr), wrapper_(nullptr) {}",
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" HelloWorld::~HelloWorld() {}",
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" void HelloWorld::Destructor(napi_env env, void* nativeObject, [[maybe_unused]] void* finalize_hint) { reinterpret_cast<HelloWorld*>(nativeObject)->~HelloWorld(); }",
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" napi_value HelloWorld::New(napi_env env, napi_callback_info info) {",
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" napi_value newTarget;",
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" napi_get_new_target(env, info, &newTarget); // Use napi_get_new_target to check if the constructor was invoked with new.",
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" if (newTarget != nullptr) { // Invoked as the constructor `new HelloWorld()`.",
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" napi_value jsThis;",
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" napi_get_cb_info(env, info, nullptr, nullptr, &jsThis, nullptr); // Use napi_get_cb_info to retrieve the callback's context and arguments.",
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" HelloWorld* obj = new HelloWorld();",
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" obj->env_ = env;",
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" // Use napi_wrap to wrap the C++ object obj in the ArkTS object jsThis.",
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" napi_wrap(env, jsThis, reinterpret_cast<void*>(obj), HelloWorld::Destructor, nullptr, &obj->wrapper_);",
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" return jsThis;",
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" } else {",
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" // Use napi_throw_error to throw an error indicating incorrect constructor invocation.",
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" napi_throw_error(env, nullptr, \"HelloWorld must be invoked as a constructor with `new`\");",
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" return nullptr;",
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" }",
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" }",
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" napi_value HelloWorld::GetValue(napi_env env, napi_callback_info info) {",
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" napi_value jsThis;",
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" napi_get_cb_info(env, info, nullptr, nullptr, &jsThis, nullptr); // Use napi_get_cb_info to retrieve the callback's context and arguments.",
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" HelloWorld* obj;",
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" // Use napi_unwrap to retrieve obj (the C++ object) previously wrapped in jsThis (the ArkTS object), and perform subsequent operations.",
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" napi_unwrap(env, jsThis, reinterpret_cast<void**>(&obj));",
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" napi_value value;",
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" // Todo: get value from native",
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" return value;",
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" }",
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" napi_value HelloWorld::SetValue(napi_env env, napi_callback_info info) {",
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" // Todo: get value from js",
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" HelloWorld* obj;",
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" // Use napi_unwrap to retrieve obj (the C++ object) previously wrapped in jsThis (the ArkTS object), and perform subsequent operations.",
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" napi_unwrap(env, jsThis, reinterpret_cast<void**>(&obj));",
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" // Todo: set value to native",
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" return nullptr;",
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" }",
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" napi_value HelloWorld::Hello(napi_env env, napi_callback_info info) {",
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" napi_value jsThis;",
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" napi_get_cb_info(env, info, nullptr, nullptr, &jsThis, nullptr); // Use napi_get_cb_info to retrieve the callback's context and arguments.",
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" HelloWorld* obj;",
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" // Use napi_unwrap to retrieve obj (the C++ object) previously wrapped in jsThis (the ArkTS object), and perform subsequent operations.",
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" napi_unwrap(env, jsThis, reinterpret_cast<void**>(&obj));",
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" napi_value value;",
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" // Todo: assign a value to obj and return to ArkTs.",
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" return value;",
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" }",
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" napi_value HelloWorld::Init(napi_env env, napi_value exports) {",
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" // Use napi_property_descriptor to define properties and methods for a N-API object.",
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" napi_property_descriptor properties[] = {",
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" { \"value\", 0, 0, GetValue, SetValue, 0, napi_default, 0 },",
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" { \"nativeHello\", nullptr, Hello, nullptr, nullptr, nullptr, napi_default, nullptr }",
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" };",
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" napi_value cons;",
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" // Use napi_define_class to define a new JavaScript class backed by a C++ class.",
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" napi_define_class(env, \"HelloWorld\", NAPI_AUTO_LENGTH, New, nullptr, 2, properties, &cons);",
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" // Use napi_set_named_property to add a property to the exports object, making the constructor accessible in ArkTs.",
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" napi_set_named_property(env, exports, \"HelloWorld\", cons);",
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" return exports;",
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" }"
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"class HelloWorld {",
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" public:",
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" static napi_value Init(napi_env env, napi_value exports);",
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" static void Destructor(napi_env env, void* nativeObject, void* finalize_hint);",
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" private:",
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" explicit HelloWorld();",
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" ~HelloWorld();",
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" static napi_value New(napi_env env, napi_callback_info info);",
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" static napi_value GetValue(napi_env env, napi_callback_info info);",
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" static napi_value SetValue(napi_env env, napi_callback_info info);",
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" static napi_value Hello(napi_env env, napi_callback_info info);",
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" std::string value_;",
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" napi_env env_;",
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" napi_ref wrapper_;",
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"};",
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"HelloWorld::HelloWorld(): value_(\"\"), env_(nullptr), wrapper_(nullptr) {}",
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"HelloWorld::~HelloWorld() {}",
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"void HelloWorld::Destructor(napi_env env, void* nativeObject, [[maybe_unused]] void* finalize_hint)",
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"{",
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" reinterpret_cast<HelloWorld*>(nativeObject)->~HelloWorld();",
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"}",
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"napi_value HelloWorld::New(napi_env env, napi_callback_info info)",
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"{",
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" napi_value newTarget;",
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" // Check if the constructor was invoked with new.",
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" napi_get_new_target(env, info, &newTarget);",
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" if (newTarget != nullptr) {",
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" // Invoked as the constructor `new HelloWorld()`.",
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" napi_value jsThis;",
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" // Retrieve the callback's context and arguments.",
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" napi_get_cb_info(env, info, nullptr, nullptr, &jsThis, nullptr);",
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" HelloWorld* obj = new HelloWorld();",
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" obj->env_ = env;",
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" // Wrap the C++ object obj in the ArkTS object jsThis.",
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" napi_wrap(env, jsThis, reinterpret_cast<void*>(obj), HelloWorld::Destructor, nullptr, &obj->wrapper_);",
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" return jsThis;",
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" } else {",
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" OH_LOG_ERROR(LOG_APP, \"HelloWorld must be invoked as a constructor with `new`\");",
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" return nullptr;",
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" }",
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"}",
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"napi_value HelloWorld::GetValue(napi_env env, napi_callback_info info)",
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"{",
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" // Todo: you can use \"napigetinfo\" command to get snippets that get js context and arguments.",
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" HelloWorld* obj;",
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" // Retrieve obj (the C++ object) previously wrapped in jsThis (the ArkTS object), and perform subsequent operations.",
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" napi_unwrap(env, jsThis, reinterpret_cast<void**>(&obj));",
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" // Todo: you can use \"napireturn_\" to choose command that return value to js.",
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"}",
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"napi_value HelloWorld::SetValue(napi_env env, napi_callback_info info)",
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"{",
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" // Todo: you can use \"napigetinfo\" command to get snippets that get js context and arguments.",
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" HelloWorld* obj;",
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" napi_unwrap(env, jsThis, reinterpret_cast<void**>(&obj));",
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" // Todo: you can use \"napigetparam_\" to choose command that get params from js.",
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" return nullptr;",
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"}",
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"napi_value HelloWorld::Hello(napi_env env, napi_callback_info info)",
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"{",
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" OH_LOG_INFO(LOG_APP, \"HelloWorld::Hello World!\");",
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" return nullptr;",
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"}",
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"napi_value HelloWorld::Init(napi_env env, napi_value exports)",
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"{",
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" // Define properties and methods for a N-API object",
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" napi_property_descriptor properties[] = {",
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" { \"value\", 0, 0, GetValue, SetValue, 0, napi_default, 0 },",
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" { \"hello\", nullptr, Hello, nullptr, nullptr, nullptr, napi_default, nullptr }",
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" };",
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" napi_value cons;",
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" // Define a js class",
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" napi_define_class(env, \"HelloWorld\", NAPI_AUTO_LENGTH, New, nullptr, 2, properties, &cons);",
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" // Set the 'HelloWorld' class on the exports object.",
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" napi_set_named_property(env, exports, \"HelloWorld\", cons);",
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" return exports;",
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"}"
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]
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}
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}
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