From 00851a5ef442947c4237f32e063c37e7751db3ed Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 19 Jan 2018 22:34:48 -0500 Subject: file_sys: Cleanup to better match Switch file system constructs. file_sys: Add factory class for RomFS file system. --- src/core/file_sys/archive_backend.h | 190 ------------------------------------ 1 file changed, 190 deletions(-) delete mode 100644 src/core/file_sys/archive_backend.h (limited to 'src/core/file_sys/archive_backend.h') diff --git a/src/core/file_sys/archive_backend.h b/src/core/file_sys/archive_backend.h deleted file mode 100644 index 2255bee42..000000000 --- a/src/core/file_sys/archive_backend.h +++ /dev/null @@ -1,190 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include -#include -#include -#include -#include "common/bit_field.h" -#include "common/common_types.h" -#include "common/swap.h" -#include "core/hle/result.h" - -namespace FileSys { - -class FileBackend; -class DirectoryBackend; - -// Path string type -enum LowPathType : u32 { - Invalid = 0, - Empty = 1, - Binary = 2, - Char = 3, - Wchar = 4, -}; - -union Mode { - u32 hex; - BitField<0, 1, u32> read_flag; - BitField<1, 1, u32> write_flag; - BitField<2, 1, u32> create_flag; -}; - -class Path { -public: - Path() : type(Invalid) {} - Path(const char* path) : type(Char), string(path) {} - Path(std::vector binary_data) : type(Binary), binary(std::move(binary_data)) {} - Path(LowPathType type, u32 size, u32 pointer); - - LowPathType GetType() const { - return type; - } - - /** - * Gets the string representation of the path for debugging - * @return String representation of the path for debugging - */ - std::string DebugStr() const; - - std::string AsString() const; - std::u16string AsU16Str() const; - std::vector AsBinary() const; - -private: - LowPathType type; - std::vector binary; - std::string string; - std::u16string u16str; -}; - -/// Parameters of the archive, as specified in the Create or Format call. -struct ArchiveFormatInfo { - u32_le total_size; ///< The pre-defined size of the archive. - u32_le number_directories; ///< The pre-defined number of directories in the archive. - u32_le number_files; ///< The pre-defined number of files in the archive. - u8 duplicate_data; ///< Whether the archive should duplicate the data. -}; -static_assert(std::is_pod::value, "ArchiveFormatInfo is not POD"); - -class ArchiveBackend : NonCopyable { -public: - virtual ~ArchiveBackend() {} - - /** - * Get a descriptive name for the archive (e.g. "RomFS", "SaveData", etc.) - */ - virtual std::string GetName() const = 0; - - /** - * Create a file specified by its path - * @param path Path relative to the Archive - * @param size The size of the new file, filled with zeroes - * @return Result of the operation - */ - virtual ResultCode CreateFile(const Path& path, u64 size) const = 0; - - /** - * Delete a file specified by its path - * @param path Path relative to the archive - * @return Result of the operation - */ - virtual ResultCode DeleteFile(const Path& path) const = 0; - - /** - * Create a directory specified by its path - * @param path Path relative to the archive - * @return Result of the operation - */ - virtual ResultCode CreateDirectory(const Path& path) const = 0; - - /** - * Delete a directory specified by its path - * @param path Path relative to the archive - * @return Result of the operation - */ - virtual ResultCode DeleteDirectory(const Path& path) const = 0; - - /** - * Delete a directory specified by its path and anything under it - * @param path Path relative to the archive - * @return Result of the operation - */ - virtual ResultCode DeleteDirectoryRecursively(const Path& path) const = 0; - - /** - * Rename a File specified by its path - * @param src_path Source path relative to the archive - * @param dest_path Destination path relative to the archive - * @return Result of the operation - */ - virtual ResultCode RenameFile(const Path& src_path, const Path& dest_path) const = 0; - - /** - * Rename a Directory specified by its path - * @param src_path Source path relative to the archive - * @param dest_path Destination path relative to the archive - * @return Result of the operation - */ - virtual ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const = 0; - - /** - * Open a file specified by its path, using the specified mode - * @param path Path relative to the archive - * @param mode Mode to open the file with - * @return Opened file, or error code - */ - virtual ResultVal> OpenFile(const Path& path, - const Mode& mode) const = 0; - - /** - * Open a directory specified by its path - * @param path Path relative to the archive - * @return Opened directory, or error code - */ - virtual ResultVal> OpenDirectory(const Path& path) const = 0; - - /** - * Get the free space - * @return The number of free bytes in the archive - */ - virtual u64 GetFreeSpaceSize() const = 0; -}; - -class ArchiveFactory : NonCopyable { -public: - virtual ~ArchiveFactory() {} - - /** - * Get a descriptive name for the archive (e.g. "RomFS", "SaveData", etc.) - */ - virtual std::string GetName() const = 0; - - /** - * Tries to open the archive of this type with the specified path - * @param path Path to the archive - * @return An ArchiveBackend corresponding operating specified archive path. - */ - virtual ResultVal> Open(const Path& path) = 0; - - /** - * Deletes the archive contents and then re-creates the base folder - * @param path Path to the archive - * @param format_info Format information for the new archive - * @return ResultCode of the operation, 0 on success - */ - virtual ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) = 0; - - /** - * Retrieves the format info about the archive with the specified path - * @param path Path to the archive - * @return Format information about the archive or error code - */ - virtual ResultVal GetFormatInfo(const Path& path) const = 0; -}; - -} // namespace FileSys -- cgit v1.2.3