/* * Copyright (c) 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 <stratosphere/fs/fs_common.hpp> #include <stratosphere/fs/impl/fs_newable.hpp> #include <stratosphere/fs/fsa/fs_ifile.hpp> #include <stratosphere/fs/fsa/fs_idirectory.hpp> #include <stratosphere/fs/fsa/fs_ifilesystem.hpp> #include <stratosphere/fs/common/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 m_rom_file_table; IStorage *m_base_storage; std::unique_ptr<IStorage> m_unique_storage; std::unique_ptr<IStorage> m_dir_bucket_storage; std::unique_ptr<IStorage> m_dir_entry_storage; std::unique_ptr<IStorage> m_file_bucket_storage; std::unique_ptr<IStorage> m_file_entry_storage; s64 m_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 DoCreateFile(const char *path, s64 size, int flags) override; virtual Result DoDeleteFile(const char *path) override; virtual Result DoCreateDirectory(const char *path) override; virtual Result DoDeleteDirectory(const char *path) override; virtual Result DoDeleteDirectoryRecursively(const char *path) override; virtual Result DoRenameFile(const char *old_path, const char *new_path) override; virtual Result DoRenameDirectory(const char *old_path, const char *new_path) override; virtual Result DoGetEntryType(fs::DirectoryEntryType *out, const char *path) override; virtual Result DoOpenFile(std::unique_ptr<fs::fsa::IFile> *out_file, const char *path, fs::OpenMode mode) override; virtual Result DoOpenDirectory(std::unique_ptr<fs::fsa::IDirectory> *out_dir, const char *path, fs::OpenDirectoryMode mode) override; virtual Result DoCommit() override; virtual Result DoGetFreeSpaceSize(s64 *out, const char *path) override; virtual Result DoGetTotalSpaceSize(s64 *out, const char *path) override; virtual Result DoCleanDirectoryRecursively(const char *path) override; /* These aren't accessible as commands. */ virtual Result DoCommitProvisionally(s64 counter) override; virtual Result DoRollback() override; }; }