1 /* 2 * Copyright (c) 2021 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 INTERFACES_KITS_JS_SRC_MOD_FILEIO_PROPERTIES_READ_TEXT_H 17 #define INTERFACES_KITS_JS_SRC_MOD_FILEIO_PROPERTIES_READ_TEXT_H 18 19 #include "../../common/napi/n_async/n_ref.h" 20 #include "../../common/napi/n_val.h" 21 #include "../../common/uni_error.h" 22 23 namespace OHOS { 24 namespace DistributedFS { 25 namespace ModuleFileIO { 26 struct AsyncReadTextArg { 27 NRef _refReadBuf; 28 std::unique_ptr<char[]> buf; 29 ssize_t len = 0; AsyncReadTextArgAsyncReadTextArg30 explicit AsyncReadTextArg(NVal refReadBuf) : _refReadBuf(refReadBuf) {}; 31 ~AsyncReadTextArg() = default; 32 }; 33 34 class ReadText final { 35 public: 36 static UniError AsyncExec(const std::string &path, std::shared_ptr<AsyncReadTextArg> arg, ssize_t position, 37 bool hasLen, ssize_t len); 38 static napi_value Async(napi_env env, napi_callback_info info); 39 static napi_value Sync(napi_env env, napi_callback_info info); 40 }; 41 } // namespace ModuleFileIO 42 } // namespace DistributedFS 43 } // namespace OHOS 44 #endif