1 /* 2 * Copyright (c) 2023 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 #ifndef CALENDAR_MANAGER_NAPI_QUEUE_H 16 #define CALENDAR_MANAGER_NAPI_QUEUE_H 17 #include <functional> 18 #include <memory> 19 #include <string> 20 21 #include "calendar_log.h" 22 #include "napi/native_api.h" 23 #include "napi/native_common.h" 24 #include "napi/native_node_api.h" 25 26 namespace OHOS::CalendarApi { 27 constexpr size_t ARGC_MAX = 6; 28 using NapiCbInfoParser = std::function<void(size_t argc, napi_value* argv)>; 29 using NapiAsyncExecute = std::function<void(void)>; 30 using NapiAsyncComplete = std::function<void(napi_value&)>; 31 32 struct ContextBase { 33 virtual ~ContextBase(); 34 void GetCbInfo(napi_env env, napi_callback_info info, 35 NapiCbInfoParser parse = NapiCbInfoParser(), bool sync = false); 36 37 inline void GetCbInfoSync(napi_env env, napi_callback_info info, NapiCbInfoParser parse = NapiCbInfoParser()) 38 { 39 GetCbInfo(env, info, parse, true); 40 } 41 42 napi_env env = nullptr; 43 napi_value output = nullptr; 44 napi_status status = napi_invalid_arg; 45 std::string error; 46 47 napi_value self = nullptr; 48 void* native = nullptr; 49 50 private: 51 napi_ref callbackRef = nullptr; 52 napi_ref selfRef = nullptr; 53 friend class NapiQueue; 54 }; 55 56 /* check condition related to argc/argv, return and logging. */ 57 #define CHECK_ARGS_RETURN_VOID(ctxt, condition, message) \ 58 do { \ 59 if (!(condition)) { \ 60 (ctxt)->status = napi_invalid_arg; \ 61 (ctxt)->error = std::string(message); \ 62 LOG_ERROR("test (" #condition ") failed: " message); \ 63 return; \ 64 } \ 65 } while (0) 66 67 #define CHECK_STATUS_RETURN_VOID(ctxt, message) \ 68 do { \ 69 if ((ctxt)->status != napi_ok) { \ 70 (ctxt)->error = std::string(message); \ 71 LOG_ERROR("test (ctxt->status %{public}d) failed: " message, (ctxt)->status); \ 72 return; \ 73 } \ 74 } while (0) 75 76 /* check condition, return and logging if condition not true. */ 77 #define CHECK_RETURN(condition, message, retVal) \ 78 do { \ 79 if (!(condition)) { \ 80 LOG_ERROR("test (" #condition ") failed: " message); \ 81 return retVal; \ 82 } \ 83 } while (0) 84 85 #define CHECK_RETURN_VOID(condition, message) \ 86 do { \ 87 if (!(condition)) { \ 88 LOG_ERROR("test (" #condition ") failed: " message); \ 89 return; \ 90 } \ 91 } while (0) 92 93 class NapiQueue { 94 public: 95 static napi_value AsyncWork(napi_env env, std::shared_ptr<ContextBase> ctxt, 96 const std::string& name, NapiAsyncExecute execute = NapiAsyncExecute(), 97 NapiAsyncComplete complete = NapiAsyncComplete()); 98 99 private: 100 enum { 101 RESULT_ERROR = 0, 102 RESULT_DATA = 1, 103 RESULT_ALL = 2 104 }; 105 106 struct AsyncContext { 107 napi_env env = nullptr; 108 std::shared_ptr<ContextBase> ctx; 109 NapiAsyncExecute execute = nullptr; 110 NapiAsyncComplete complete = nullptr; 111 napi_deferred deferred = nullptr; 112 napi_async_work work = nullptr; ~AsyncContextAsyncContext113 ~AsyncContext() 114 { 115 execute = nullptr; 116 complete = nullptr; 117 ctx = nullptr; 118 if (env != nullptr) { 119 if (work != nullptr) { 120 napi_delete_async_work(env, work); 121 } 122 } 123 } 124 }; 125 static void GenerateOutput(AsyncContext &ctx, napi_value output); 126 }; 127 } // namespace Calendar::CalendarApi 128 #endif