113 lines
4.1 KiB
C++
113 lines
4.1 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include <memory>
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "core/file_sys/romfs_filesystem.h"
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namespace FileSys {
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std::string RomFS_FileSystem::GetName() const {
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return "RomFS";
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}
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ResultVal<std::unique_ptr<StorageBackend>> RomFS_FileSystem::OpenFile(const std::string& path,
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Mode mode) const {
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return MakeResult<std::unique_ptr<StorageBackend>>(
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std::make_unique<RomFS_Storage>(romfs_file, data_offset, data_size));
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}
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ResultCode RomFS_FileSystem::DeleteFile(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a file from an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(bunnei): Use correct error code
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return ResultCode(-1);
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}
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ResultCode RomFS_FileSystem::RenameFile(const Path& src_path, const Path& dest_path) const {
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LOG_CRITICAL(Service_FS, "Attempted to rename a file within an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode RomFS_FileSystem::DeleteDirectory(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode RomFS_FileSystem::DeleteDirectoryRecursively(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode RomFS_FileSystem::CreateFile(const std::string& path, u64 size) const {
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LOG_CRITICAL(Service_FS, "Attempted to create a file in an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(bunnei): Use correct error code
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return ResultCode(-1);
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}
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ResultCode RomFS_FileSystem::CreateDirectory(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to create a directory in an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode RomFS_FileSystem::RenameDirectory(const Path& src_path, const Path& dest_path) const {
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LOG_CRITICAL(Service_FS, "Attempted to rename a file within an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultVal<std::unique_ptr<DirectoryBackend>> RomFS_FileSystem::OpenDirectory(
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const Path& path) const {
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return MakeResult<std::unique_ptr<DirectoryBackend>>(std::make_unique<ROMFSDirectory>());
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}
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u64 RomFS_FileSystem::GetFreeSpaceSize() const {
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LOG_WARNING(Service_FS, "Attempted to get the free space in an ROMFS archive");
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return 0;
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}
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ResultVal<FileSys::EntryType> RomFS_FileSystem::GetEntryType(const std::string& path) const {
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LOG_CRITICAL(Service_FS, "Called within an ROMFS archive (path %s).", path.c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultVal<size_t> RomFS_Storage::Read(const u64 offset, const size_t length, u8* buffer) const {
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LOG_TRACE(Service_FS, "called offset=%llu, length=%zu", offset, length);
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romfs_file->Seek(data_offset + offset, SEEK_SET);
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size_t read_length = (size_t)std::min((u64)length, data_size - offset);
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return MakeResult<size_t>(romfs_file->ReadBytes(buffer, read_length));
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}
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ResultVal<size_t> RomFS_Storage::Write(const u64 offset, const size_t length, const bool flush,
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const u8* buffer) const {
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LOG_ERROR(Service_FS, "Attempted to write to ROMFS file");
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// TODO(Subv): Find error code
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return MakeResult<size_t>(0);
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}
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u64 RomFS_Storage::GetSize() const {
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return data_size;
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}
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bool RomFS_Storage::SetSize(const u64 size) const {
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LOG_ERROR(Service_FS, "Attempted to set the size of an ROMFS file");
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return false;
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}
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} // namespace FileSys
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