/* * Copyright (c) 2018-2020 Atmosphère-NX * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #pragma once #include "fs_common.hpp" #include "impl/fs_newable.hpp" #include "fsa/fs_ifile.hpp" #include "fsa/fs_idirectory.hpp" #include "fsa/fs_ifilesystem.hpp" #include "fs_dbm_hierarchical_rom_file_table.hpp" namespace ams::fs { class RomFsFileSystem : public fsa::IFileSystem, public impl::Newable { NON_COPYABLE(RomFsFileSystem); public: using RomFileTable = HierarchicalRomFileTable; private: RomFileTable rom_file_table; IStorage *base_storage; std::unique_ptr<IStorage> unique_storage; std::unique_ptr<IStorage> dir_bucket_storage; std::unique_ptr<IStorage> dir_entry_storage; std::unique_ptr<IStorage> file_bucket_storage; std::unique_ptr<IStorage> file_entry_storage; s64 entry_size; private: Result GetFileInfo(RomFileTable::FileInfo *out, const char *path); public: static Result GetRequiredWorkingMemorySize(size_t *out, IStorage *storage); public: RomFsFileSystem(); virtual ~RomFsFileSystem() override; Result Initialize(IStorage *base, void *work, size_t work_size, bool use_cache); Result Initialize(std::unique_ptr<IStorage>&& base, void *work, size_t work_size, bool use_cache); IStorage *GetBaseStorage(); RomFileTable *GetRomFileTable(); Result GetFileBaseOffset(s64 *out, const char *path); public: virtual Result CreateFileImpl(const char *path, s64 size, int flags) override; virtual Result DeleteFileImpl(const char *path) override; virtual Result CreateDirectoryImpl(const char *path) override; virtual Result DeleteDirectoryImpl(const char *path) override; virtual Result DeleteDirectoryRecursivelyImpl(const char *path) override; virtual Result RenameFileImpl(const char *old_path, const char *new_path) override; virtual Result RenameDirectoryImpl(const char *old_path, const char *new_path) override; virtual Result GetEntryTypeImpl(fs::DirectoryEntryType *out, const char *path) override; virtual Result OpenFileImpl(std::unique_ptr<fs::fsa::IFile> *out_file, const char *path, fs::OpenMode mode) override; virtual Result OpenDirectoryImpl(std::unique_ptr<fs::fsa::IDirectory> *out_dir, const char *path, fs::OpenDirectoryMode mode) override; virtual Result CommitImpl() override; virtual Result GetFreeSpaceSizeImpl(s64 *out, const char *path) override; virtual Result GetTotalSpaceSizeImpl(s64 *out, const char *path) override; virtual Result CleanDirectoryRecursivelyImpl(const char *path) override; /* These aren't accessible as commands. */ virtual Result CommitProvisionallyImpl(s64 counter) override; virtual Result RollbackImpl() override; }; }