1 /** 2 * Copyright 2021 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MINDSPORE_CCSRC_UTILS_FILE_UTILS_H_ 18 #define MINDSPORE_CCSRC_UTILS_FILE_UTILS_H_ 19 20 #include <string> 21 #include <optional> 22 23 namespace mindspore { 24 class FileUtils { 25 public: 26 FileUtils() = default; 27 ~FileUtils() = default; 28 29 static std::optional<std::string> GetRealPath(const char *path); 30 static void SplitDirAndFileName(const std::string &path, std::optional<std::string> *prefix_path, 31 std::optional<std::string> *file_name); 32 static void ConcatDirAndFileName(const std::optional<std::string> *dir, const std::optional<std::string> *file_name, 33 std::optional<std::string> *path); 34 static std::optional<std::string> CreateNotExistDirs(const std::string &path, 35 const bool support_relative_path = false); 36 }; 37 } // namespace mindspore 38 #endif // MINDSPORE_CCSRC_UTILS_FILE_UTILS_H_ 39