a6d9baa05a
To eliminate System::GetInstance usage. Archive type like SelfNCCH and SaveData changes the actual reference path for different client, so archive backend interface should accept client information from the service interface. Currently we only pass the program ID as the client information.
82 lines
3 KiB
C++
82 lines
3 KiB
C++
// Copyright 2014 Citra Emulator Project
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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 <algorithm>
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#include <cstring>
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#include <memory>
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#include <vector>
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#include <fmt/format.h>
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#include "common/common_types.h"
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#include "common/file_util.h"
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#include "core/file_sys/archive_systemsavedata.h"
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#include "core/file_sys/errors.h"
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#include "core/file_sys/savedata_archive.h"
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#include "core/hle/service/fs/archive.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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namespace FileSys {
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std::string GetSystemSaveDataPath(const std::string& mount_point, const Path& path) {
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const std::vector<u8> vec_data = path.AsBinary();
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u32 save_low;
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u32 save_high;
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std::memcpy(&save_low, &vec_data[4], sizeof(u32));
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std::memcpy(&save_high, &vec_data[0], sizeof(u32));
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return fmt::format("{}{:08X}/{:08X}/", mount_point, save_low, save_high);
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}
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std::string GetSystemSaveDataContainerPath(const std::string& mount_point) {
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return fmt::format("{}data/{}/sysdata/", mount_point, SYSTEM_ID);
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}
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Path ConstructSystemSaveDataBinaryPath(u32 high, u32 low) {
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std::vector<u8> binary_path;
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binary_path.reserve(8);
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// Append each word byte by byte
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// First is the high word
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for (unsigned i = 0; i < 4; ++i)
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binary_path.push_back((high >> (8 * i)) & 0xFF);
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// Next is the low word
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for (unsigned i = 0; i < 4; ++i)
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binary_path.push_back((low >> (8 * i)) & 0xFF);
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return {binary_path};
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}
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ArchiveFactory_SystemSaveData::ArchiveFactory_SystemSaveData(const std::string& nand_path)
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: base_path(GetSystemSaveDataContainerPath(nand_path)) {}
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ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SystemSaveData::Open(const Path& path,
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u64 program_id) {
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std::string fullpath = GetSystemSaveDataPath(base_path, path);
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if (!FileUtil::Exists(fullpath)) {
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// TODO(Subv): Check error code, this one is probably wrong
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return ERR_NOT_FORMATTED;
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}
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auto archive = std::make_unique<SaveDataArchive>(fullpath);
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return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
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}
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ResultCode ArchiveFactory_SystemSaveData::Format(const Path& path,
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const FileSys::ArchiveFormatInfo& format_info,
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u64 program_id) {
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std::string fullpath = GetSystemSaveDataPath(base_path, path);
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FileUtil::DeleteDirRecursively(fullpath);
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FileUtil::CreateFullPath(fullpath);
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return RESULT_SUCCESS;
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}
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ResultVal<ArchiveFormatInfo> ArchiveFactory_SystemSaveData::GetFormatInfo(const Path& path,
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u64 program_id) const {
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// TODO(Subv): Implement
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LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive {}", GetName());
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return ResultCode(-1);
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}
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} // namespace FileSys
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