1 /* 2 * Copyright (c) 2025 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_FS_PROPERTIES_READ_CORE_H 17 #define INTERFACES_KITS_JS_SRC_MOD_FS_PROPERTIES_READ_CORE_H 18 19 #include <cstdint> 20 #include "filemgmt_libfs.h" 21 #include "fs_utils.h" 22 23 namespace OHOS::FileManagement::ModuleFileIO { 24 using namespace std; 25 26 struct ReadOptions final { 27 optional<int64_t> offset = nullopt; 28 optional<int64_t> length = nullopt; 29 }; 30 31 class ReadCore final { 32 public: 33 static FsResult<int64_t> DoRead( 34 const int32_t &fd, ArrayBuffer &arrayBuffer, const optional<ReadOptions> &options = nullopt); 35 }; 36 37 } // namespace OHOS::FileManagement::ModuleFileIO 38 #endif // INTERFACES_KITS_JS_SRC_MOD_FS_PROPERTIES_READ_CORE_H