diff options
author | bunnei <bunneidev@gmail.com> | 2018-07-08 05:24:51 +0200 |
---|---|---|
committer | bunnei <bunneidev@gmail.com> | 2018-07-08 05:24:51 +0200 |
commit | 913896cbd99e414c325c9d47a987376ed6d9fffd (patch) | |
tree | b660920a49f538f0ee00486c50a0d153d53c423d /src/core/file_sys/romfs_filesystem.h | |
parent | Merge pull request #632 from FearlessTobi/add-discord-link (diff) | |
download | yuzu-913896cbd99e414c325c9d47a987376ed6d9fffd.tar yuzu-913896cbd99e414c325c9d47a987376ed6d9fffd.tar.gz yuzu-913896cbd99e414c325c9d47a987376ed6d9fffd.tar.bz2 yuzu-913896cbd99e414c325c9d47a987376ed6d9fffd.tar.lz yuzu-913896cbd99e414c325c9d47a987376ed6d9fffd.tar.xz yuzu-913896cbd99e414c325c9d47a987376ed6d9fffd.tar.zst yuzu-913896cbd99e414c325c9d47a987376ed6d9fffd.zip |
Diffstat (limited to 'src/core/file_sys/romfs_filesystem.h')
-rw-r--r-- | src/core/file_sys/romfs_filesystem.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/core/file_sys/romfs_filesystem.h b/src/core/file_sys/romfs_filesystem.h new file mode 100644 index 000000000..ba9d85823 --- /dev/null +++ b/src/core/file_sys/romfs_filesystem.h @@ -0,0 +1,85 @@ +// Copyright 2018 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <cstddef> +#include <memory> +#include <string> +#include <vector> +#include "common/common_types.h" +#include "common/file_util.h" +#include "core/file_sys/directory.h" +#include "core/file_sys/filesystem.h" +#include "core/file_sys/storage.h" +#include "core/hle/result.h" + +namespace FileSys { + +/** + * Helper which implements an interface to deal with Switch .istorage ROMFS images used in some + * archives This should be subclassed by concrete archive types, which will provide the input data + * (load the raw ROMFS archive) and override any required methods + */ +class RomFS_FileSystem : public FileSystemBackend { +public: + RomFS_FileSystem(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size) + : romfs_file(file), data_offset(offset), data_size(size) {} + + std::string GetName() const override; + + ResultVal<std::unique_ptr<StorageBackend>> OpenFile(const std::string& path, + Mode mode) const override; + ResultCode DeleteFile(const std::string& path) const override; + ResultCode RenameFile(const std::string& src_path, const std::string& dest_path) const override; + ResultCode DeleteDirectory(const Path& path) const override; + ResultCode DeleteDirectoryRecursively(const Path& path) const override; + ResultCode CreateFile(const std::string& path, u64 size) const override; + ResultCode CreateDirectory(const std::string& path) const override; + ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override; + ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory( + const std::string& path) const override; + u64 GetFreeSpaceSize() const override; + ResultVal<EntryType> GetEntryType(const std::string& path) const override; + +protected: + std::shared_ptr<FileUtil::IOFile> romfs_file; + u64 data_offset; + u64 data_size; +}; + +class RomFS_Storage : public StorageBackend { +public: + RomFS_Storage(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size) + : romfs_file(file), data_offset(offset), data_size(size) {} + + ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override; + ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override; + u64 GetSize() const override; + bool SetSize(u64 size) const override; + bool Close() const override { + return false; + } + void Flush() const override {} + +private: + std::shared_ptr<FileUtil::IOFile> romfs_file; + u64 data_offset; + u64 data_size; +}; + +class ROMFSDirectory : public DirectoryBackend { +public: + u64 Read(const u64 count, Entry* entries) override { + return 0; + } + u64 GetEntryCount() const override { + return 0; + } + bool Close() const override { + return false; + } +}; + +} // namespace FileSys |