1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef HIAPPEVENT_FRAMEWORKS_JS_NAPI_INCLUDE_NAPI_UTIL_H 17 #define HIAPPEVENT_FRAMEWORKS_JS_NAPI_INCLUDE_NAPI_UTIL_H 18 19 #include <cstdint> 20 #include <string> 21 22 #include "napi/native_api.h" 23 #include "napi/native_node_api.h" 24 25 namespace OHOS { 26 namespace HiviewDFX { 27 namespace NapiUtil { 28 bool IsNull(const napi_env env, const napi_value value); 29 bool IsBoolean(const napi_env env, const napi_value value); 30 bool IsNumber(const napi_env env, const napi_value value); 31 bool IsString(const napi_env env, const napi_value value); 32 bool IsObject(const napi_env env, const napi_value value); 33 bool IsFunction(const napi_env env, const napi_value value); 34 bool IsArray(const napi_env env, const napi_value value); 35 bool IsArrayType(const napi_env env, const napi_value value, napi_valuetype type); 36 bool HasProperty(const napi_env env, const napi_value object, const std::string& name); 37 38 bool GetBoolean(const napi_env env, const napi_value value); 39 void GetBooleans(const napi_env env, const napi_value arr, std::vector<bool>& bools); 40 int32_t GetInt32(const napi_env env, const napi_value value); 41 void GetInt32s(const napi_env env, const napi_value arr, std::vector<int32_t>& ints); 42 double GetDouble(const napi_env env, const napi_value value); 43 void GetDoubles(const napi_env env, const napi_value arr, std::vector<double>& doubles); 44 std::string GetString(const napi_env env, const napi_value value, size_t bufsize = 100); // 100 means default size 45 void GetStrings(const napi_env env, const napi_value arr, std::vector<std::string>& strs, size_t bufsize); 46 napi_valuetype GetType(const napi_env env, const napi_value value); 47 napi_valuetype GetArrayType(const napi_env env, const napi_value value); 48 uint32_t GetArrayLength(const napi_env env, const napi_value arr); 49 napi_value GetElement(const napi_env env, const napi_value arr, uint32_t index); 50 napi_value GetProperty(const napi_env env, const napi_value object, const std::string& name); 51 void GetPropertyNames(const napi_env env, const napi_value object, std::vector<std::string>& names); 52 napi_value GetReferenceValue(const napi_env env, const napi_ref funcRef); 53 size_t GetCbInfo(const napi_env env, napi_callback_info info, napi_value argv[], size_t argc = 4); // 4: default size 54 55 napi_ref CreateReference(const napi_env env, const napi_value func); 56 napi_value CreateNull(const napi_env env); 57 napi_value CreateUndefined(const napi_env env); 58 napi_value CreateBoolean(const napi_env env, bool bValue); 59 napi_value CreateInt32(const napi_env env, int32_t num); 60 napi_value CreateString(const napi_env env, const std::string& str); 61 napi_value CreateStrings(const napi_env env, const std::vector<std::string>& strs); 62 napi_value CreateObject(const napi_env env); 63 napi_value CreateObject(const napi_env env, const std::string& key, const napi_value value); 64 napi_value CreateArray(const napi_env env); 65 66 void SetElement(const napi_env env, const napi_value obj, uint32_t index, const napi_value value); 67 void SetNamedProperty(const napi_env env, const napi_value obj, const std::string& key, const napi_value value); 68 std::string ConvertToString(const napi_env env, const napi_value value); 69 70 void ThrowError(napi_env env, int code, const std::string& msg, bool isThrow = true); 71 napi_value CreateError(napi_env env, int code, const std::string& msg); 72 std::string CreateErrMsg(const std::string name); 73 std::string CreateErrMsg(const std::string name, const std::string& type); 74 std::string CreateErrMsg(const std::string name, const napi_valuetype type); 75 } // namespace NapiUtil 76 } // namespace HiviewDFX 77 } // namespace OHOS 78 #endif // HIAPPEVENT_FRAMEWORKS_JS_NAPI_INCLUDE_NAPI_UTIL_H 79