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_WRITE_CORE_H 17 #define INTERFACES_KITS_JS_SRC_MOD_FS_PROPERTIES_WRITE_CORE_H 18 19 #include "filemgmt_libfs.h" 20 #include "filemgmt_libhilog.h" 21 #include "fs_utils.h" 22 23 namespace OHOS { 24 namespace FileManagement { 25 namespace ModuleFileIO { 26 using namespace std; 27 28 struct WriteOptions { 29 optional<size_t> length = nullopt; 30 optional<int64_t> offset = nullopt; 31 optional<string> encoding = nullopt; 32 }; 33 34 class WriteCore final { 35 public: 36 static FsResult<int64_t> DoWrite( 37 const int32_t fd, const string &buffer, const optional<WriteOptions> &options = nullopt); 38 static FsResult<int64_t> DoWrite( 39 const int32_t fd, const ArrayBuffer &buffer, const optional<WriteOptions> &options = nullopt); 40 41 private: 42 static FsResult<int64_t> DoWrite(const int32_t fd, void *buf, const size_t len, const int64_t offset); 43 }; 44 45 } // namespace ModuleFileIO 46 } // namespace FileManagement 47 } // namespace OHOS 48 #endif // INTERFACES_KITS_JS_SRC_MOD_FS_PROPERTIES_WRITE_CORE_H