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 UTILITY_FILE_UTIL_H 17 #define UTILITY_FILE_UTIL_H 18 19 #ifdef _WIN32 20 using mode_t = unsigned short; 21 using pid_t = int; 22 using tid_t = int; 23 using uid_t = int; 24 #define S_IRWXU 00700 25 #define S_IXGRP 00010 26 #define S_IXOTH 00001 27 #define S_IRWXG 00070 28 29 #define S_IRUSR 00400 30 #define S_IWUSR 00200 31 #define S_IRGRP 00040 32 #define S_IWGRP 00020 33 #define S_IROTH 00004 34 #define F_OK 0 35 #ifndef S_ISDIR 36 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR) 37 #include <io.h> 38 # define access _access 39 #endif 40 #else 41 #include <dirent.h> 42 #include <sys/stat.h> 43 #endif 44 45 #include <sstream> 46 #include <string> 47 #include <vector> 48 49 namespace OHOS { 50 namespace HiviewDFX { 51 namespace FileUtil { 52 constexpr mode_t DEFAULT_FILE_MODE = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH; // -rw-rw-r-- 53 constexpr mode_t FILE_PERM_755 = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; 54 constexpr mode_t FILE_PERM_775 = S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH; 55 constexpr mode_t FILE_PERM_770 = S_IRWXU | S_IRWXG; 56 constexpr mode_t FILE_PERM_660 = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP; 57 constexpr mode_t FILE_PERM_666 = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH; 58 59 // file_ex.h 60 bool LoadStringFromFile(const std::string& filePath, std::string& content); 61 bool LoadLinesFromFile(const std::string& filePath, std::vector<std::string>& lines); 62 bool LoadStringFromFd(int fd, std::string& content); 63 bool SaveStringToFile(const std::string& filePath, const std::string& content, bool truncated = true); 64 bool SaveStringToFd(int fd, const std::string& content); 65 bool LoadBufferFromFile(const std::string& filePath, std::vector<char>& content); 66 bool SaveBufferToFile(const std::string& filePath, const std::vector<char>& content, bool truncated = true); 67 bool FileExists(const std::string& fileName); 68 bool FileExistsA(const std::string& fileName); 69 bool WriteBufferToFd(int fd, const char* buffer, size_t size); 70 int32_t CreateFile(const std::string &path, mode_t mode = DEFAULT_FILE_MODE); 71 72 // directory_ex.h 73 std::string ExtractFilePath(const std::string& fileFullName); 74 std::string ExtractFileName(const std::string& fileFullName); 75 std::string ExtractFileExt(const std::string& fileName); 76 std::string IncludeTrailingPathDelimiter(const std::string& path); 77 std::string ExcludeTrailingPathDelimiter(const std::string& path); 78 void GetDirFiles(const std::string& path, std::vector<std::string>& files, bool isRecursive = true); 79 void GetDirDirs(const std::string& path, std::vector<std::string>& dirs); 80 bool ForceCreateDirectory(const std::string& path); 81 bool ForceCreateDirectory(const std::string& path, mode_t mode); 82 void RemoveFolderBeginWith(const std::string &path, const std::string &folderName); 83 bool ForceRemoveDirectory(const std::string& path, bool isNeedDeleteGivenDirSelf = true); 84 bool RemoveFile(const std::string& fileName); 85 uint64_t GetFolderSize(const std::string& path); 86 uint64_t GetFileSize(const std::string& path); 87 bool ChangeMode(const std::string& fileName, const mode_t& mode); 88 bool ChangeModeFile(const std::string& fileName, const mode_t& mode); 89 bool ChangeModeDirectory(const std::string& path, const mode_t& mode); 90 bool PathToRealPath(const std::string& path, std::string& realPath); 91 mode_t Umask(const mode_t& mode); 92 int Open(const std::string& path, const int flags, const mode_t mode); 93 void FormatPath2UnixStyle(std::string &path); 94 void CreateDirWithDefaultPerm(const std::string& path, uid_t aidRoot, uid_t aid_system); 95 int CopyFile(const std::string &src, const std::string &des); 96 bool IsDirectory(const std::string &path); 97 bool GetLastLine(std::istream &fin, std::string &line, uint32_t maxLen = 10240); // 10240 : max line len 98 std::string GetFirstLine(const std::string& path); 99 std::string GetParentDir(const std::string &path); 100 bool IsLegalPath(const std::string& path); 101 bool RenameFile(const std::string& src, const std::string& dest); 102 } // namespace FileUtil 103 } // namespace HiviewDFX 104 } // namespace OHOS 105 #endif // UTILITY_FILE_UTIL_H 106