C++ (Cpp) napi_create_int32示例

示例#1

文件： test_napi_strictequal_and_instanceof.c 项目： Samsung/iotjs

napi_value Init(napi_env env, napi_value exports) {
  SET_NAMED_METHOD(env, exports, "sayHello", SayHello);
  SET_NAMED_METHOD(env, exports, "sayError", SayError);
  SET_NAMED_METHOD(env, exports, "strictEquals", StrictEquals);
  SET_NAMED_METHOD(env, exports, "instanceof", Instanceof);

  napi_value id;
  NAPI_CALL(env, napi_create_int32(env, 321, &id));
  NAPI_CALL(env, napi_set_named_property(env, exports, "id", id));

  return exports;
}

示例#2

文件： test_object.c 项目： BazisSoft/node-delphi

napi_value New(napi_env env, napi_callback_info info) {
  napi_value ret;
  NAPI_CALL(env, napi_create_object(env, &ret));

  napi_value num;
  NAPI_CALL(env, napi_create_int32(env, 987654321, &num));

  NAPI_CALL(env, napi_set_named_property(env, ret, "test_number", num));

  napi_value str;
  const char* str_val = "test string";
  size_t str_len = strlen(str_val);
  NAPI_CALL(env, napi_create_string_utf8(env, str_val, str_len, &str));

  NAPI_CALL(env, napi_set_named_property(env, ret, "test_string", str));

  return ret;
}

示例#3

文件： test_number.c 项目： asbeane/node

static napi_value TestInt32Truncation(napi_env env, napi_callback_info info) {
  size_t argc = 1;
  napi_value args[1];
  NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));

  NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");

  napi_valuetype valuetype0;
  NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));

  NAPI_ASSERT(env, valuetype0 == napi_number,
      "Wrong type of arguments. Expects a number as first argument.");

  int32_t input;
  NAPI_CALL(env, napi_get_value_int32(env, args[0], &input));

  napi_value output;
  NAPI_CALL(env, napi_create_int32(env, input, &output));

  return output;
}

示例#4

文件： test_reference.c 项目： asbeane/node

static napi_value GetFinalizeCount(napi_env env, napi_callback_info info) {
  napi_value result;
  NAPI_CALL(env, napi_create_int32(env, finalize_count, &result));
  return result;
}

示例#5

文件： test_buffer.c 项目： asbeane/node

static napi_value getDeleterCallCount(napi_env env, napi_callback_info info) {
  napi_value callCount;
  NAPI_CALL(env, napi_create_int32(env, deleterCallCount, &callCount));
  return callCount;
}