diff options
Diffstat (limited to '')
-rw-r--r-- | src/common/fs/file.cpp | 14 | ||||
-rw-r--r-- | src/common/fs/file.h | 15 | ||||
-rw-r--r-- | src/common/fs/fs.cpp | 23 | ||||
-rw-r--r-- | src/common/fs/fs.h | 30 |
4 files changed, 50 insertions, 32 deletions
diff --git a/src/common/fs/file.cpp b/src/common/fs/file.cpp index 9f3de1cb0..077f34995 100644 --- a/src/common/fs/file.cpp +++ b/src/common/fs/file.cpp @@ -172,7 +172,7 @@ std::string ReadStringFromFile(const std::filesystem::path& path, FileType type) size_t WriteStringToFile(const std::filesystem::path& path, FileType type, std::string_view string) { - if (!IsFile(path)) { + if (Exists(path) && !IsFile(path)) { return 0; } @@ -183,11 +183,7 @@ size_t WriteStringToFile(const std::filesystem::path& path, FileType type, size_t AppendStringToFile(const std::filesystem::path& path, FileType type, std::string_view string) { - if (!Exists(path)) { - return WriteStringToFile(path, type, string); - } - - if (!IsFile(path)) { + if (Exists(path) && !IsFile(path)) { return 0; } @@ -309,7 +305,11 @@ bool IOFile::Flush() const { errno = 0; - const auto flush_result = std::fflush(file) == 0; +#ifdef _WIN32 + const auto flush_result = std::fflush(file) == 0 && _commit(fileno(file)) == 0; +#else + const auto flush_result = std::fflush(file) == 0 && fsync(fileno(file)) == 0; +#endif if (!flush_result) { const auto ec = std::error_code{errno, std::generic_category()}; diff --git a/src/common/fs/file.h b/src/common/fs/file.h index 50e270c5b..588fe619d 100644 --- a/src/common/fs/file.h +++ b/src/common/fs/file.h @@ -49,7 +49,7 @@ void OpenFileStream(FileStream& file_stream, const Path& path, std::ios_base::op /** * Reads an entire file at path and returns a string of the contents read from the file. - * If the filesystem object at path is not a file, this function returns an empty string. + * If the filesystem object at path is not a regular file, this function returns an empty string. * * @param path Filesystem path * @param type File type @@ -71,8 +71,9 @@ template <typename Path> /** * Writes a string to a file at path and returns the number of characters successfully written. - * If an file already exists at path, its contents will be erased. - * If the filesystem object at path is not a file, this function returns 0. + * If a file already exists at path, its contents will be erased. + * If a file does not exist at path, it creates and opens a new empty file for writing. + * If the filesystem object at path exists and is not a regular file, this function returns 0. * * @param path Filesystem path * @param type File type @@ -95,8 +96,8 @@ template <typename Path> /** * Appends a string to a file at path and returns the number of characters successfully written. - * If a file does not exist at path, WriteStringToFile is called instead. - * If the filesystem object at path is not a file, this function returns 0. + * If a file does not exist at path, it creates and opens a new empty file for appending. + * If the filesystem object at path exists and is not a regular file, this function returns 0. * * @param path Filesystem path * @param type File type @@ -395,11 +396,11 @@ public: [[nodiscard]] size_t WriteString(std::span<const char> string) const; /** - * Flushes any unwritten buffered data into the file. + * Attempts to flush any unwritten buffered data into the file and flush the file into the disk. * * @returns True if the flush was successful, false otherwise. */ - [[nodiscard]] bool Flush() const; + bool Flush() const; /** * Resizes the file to a given size. diff --git a/src/common/fs/fs.cpp b/src/common/fs/fs.cpp index d492480d9..9089cad67 100644 --- a/src/common/fs/fs.cpp +++ b/src/common/fs/fs.cpp @@ -135,8 +135,9 @@ std::shared_ptr<IOFile> FileOpen(const fs::path& path, FileAccessMode mode, File return nullptr; } - if (!IsFile(path)) { - LOG_ERROR(Common_Filesystem, "Filesystem object at path={} is not a file", + if (Exists(path) && !IsFile(path)) { + LOG_ERROR(Common_Filesystem, + "Filesystem object at path={} exists and is not a regular file", PathToUTF8String(path)); return nullptr; } @@ -321,7 +322,8 @@ bool RemoveDirContentsRecursively(const fs::path& path) { std::error_code ec; - for (const auto& entry : fs::recursive_directory_iterator(path, ec)) { + // TODO (Morph): Replace this with recursive_directory_iterator once it's fixed in MSVC. + for (const auto& entry : fs::directory_iterator(path, ec)) { if (ec) { LOG_ERROR(Common_Filesystem, "Failed to completely enumerate the directory at path={}, ec_message={}", @@ -337,6 +339,12 @@ bool RemoveDirContentsRecursively(const fs::path& path) { PathToUTF8String(entry.path()), ec.message()); break; } + + // TODO (Morph): Remove this when MSVC fixes recursive_directory_iterator. + // recursive_directory_iterator throws an exception despite passing in a std::error_code. + if (entry.status().type() == fs::file_type::directory) { + return RemoveDirContentsRecursively(entry.path()); + } } if (ec) { @@ -475,7 +483,8 @@ void IterateDirEntriesRecursively(const std::filesystem::path& path, std::error_code ec; - for (const auto& entry : fs::recursive_directory_iterator(path, ec)) { + // TODO (Morph): Replace this with recursive_directory_iterator once it's fixed in MSVC. + for (const auto& entry : fs::directory_iterator(path, ec)) { if (ec) { break; } @@ -495,6 +504,12 @@ void IterateDirEntriesRecursively(const std::filesystem::path& path, break; } } + + // TODO (Morph): Remove this when MSVC fixes recursive_directory_iterator. + // recursive_directory_iterator throws an exception despite passing in a std::error_code. + if (entry.status().type() == fs::file_type::directory) { + IterateDirEntriesRecursively(entry.path(), callback, filter); + } } if (callback_error || ec) { diff --git a/src/common/fs/fs.h b/src/common/fs/fs.h index f6f256349..183126de3 100644 --- a/src/common/fs/fs.h +++ b/src/common/fs/fs.h @@ -48,18 +48,18 @@ template <typename Path> * * Failures occur when: * - Input path is not valid - * - Filesystem object at path is not a file + * - Filesystem object at path is not a regular file * - Filesystem at path is read only * * @param path Filesystem path * * @returns True if file removal succeeds or file does not exist, false otherwise. */ -[[nodiscard]] bool RemoveFile(const std::filesystem::path& path); +bool RemoveFile(const std::filesystem::path& path); #ifdef _WIN32 template <typename Path> -[[nodiscard]] bool RemoveFile(const Path& path) { +bool RemoveFile(const Path& path) { if constexpr (IsChar<typename Path::value_type>) { return RemoveFile(ToU8String(path)); } else { @@ -74,7 +74,7 @@ template <typename Path> * Failures occur when: * - One or both input path(s) is not valid * - Filesystem object at old_path does not exist - * - Filesystem object at old_path is not a file + * - Filesystem object at old_path is not a regular file * - Filesystem object at new_path exists * - Filesystem at either path is read only * @@ -110,8 +110,8 @@ template <typename Path1, typename Path2> * * Failures occur when: * - Input path is not valid - * - Filesystem object at path is not a file - * - The file is not opened + * - Filesystem object at path exists and is not a regular file + * - The file is not open * * @param path Filesystem path * @param mode File access mode @@ -251,11 +251,11 @@ template <typename Path> * * @returns True if directory removal succeeds or directory does not exist, false otherwise. */ -[[nodiscard]] bool RemoveDir(const std::filesystem::path& path); +bool RemoveDir(const std::filesystem::path& path); #ifdef _WIN32 template <typename Path> -[[nodiscard]] bool RemoveDir(const Path& path) { +bool RemoveDir(const Path& path) { if constexpr (IsChar<typename Path::value_type>) { return RemoveDir(ToU8String(path)); } else { @@ -276,11 +276,11 @@ template <typename Path> * * @returns True if the directory and all of its contents are removed successfully, false otherwise. */ -[[nodiscard]] bool RemoveDirRecursively(const std::filesystem::path& path); +bool RemoveDirRecursively(const std::filesystem::path& path); #ifdef _WIN32 template <typename Path> -[[nodiscard]] bool RemoveDirRecursively(const Path& path) { +bool RemoveDirRecursively(const Path& path) { if constexpr (IsChar<typename Path::value_type>) { return RemoveDirRecursively(ToU8String(path)); } else { @@ -301,11 +301,11 @@ template <typename Path> * * @returns True if all of the directory's contents are removed successfully, false otherwise. */ -[[nodiscard]] bool RemoveDirContentsRecursively(const std::filesystem::path& path); +bool RemoveDirContentsRecursively(const std::filesystem::path& path); #ifdef _WIN32 template <typename Path> -[[nodiscard]] bool RemoveDirContentsRecursively(const Path& path) { +bool RemoveDirContentsRecursively(const Path& path) { if constexpr (IsChar<typename Path::value_type>) { return RemoveDirContentsRecursively(ToU8String(path)); } else { @@ -435,11 +435,13 @@ template <typename Path> #endif /** - * Returns whether a filesystem object at path is a file. + * Returns whether a filesystem object at path is a regular file. + * A regular file is a file that stores text or binary data. + * It is not a directory, symlink, FIFO, socket, block device, or character device. * * @param path Filesystem path * - * @returns True if a filesystem object at path is a file, false otherwise. + * @returns True if a filesystem object at path is a regular file, false otherwise. */ [[nodiscard]] bool IsFile(const std::filesystem::path& path); |