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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <sys/stat.h>
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/make_unique.h"
#include "core/file_sys/archive_savedata.h"
#include "core/file_sys/disk_archive.h"
#include "core/hle/service/fs/archive.h"
#include "core/settings.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
static std::string GetSaveDataContainerPath(const std::string& sdmc_directory) {
return Common::StringFromFormat("%sNintendo 3DS/%s/%s/title/", sdmc_directory.c_str(),
SYSTEM_ID.c_str(), SDCARD_ID.c_str());
}
static std::string GetSaveDataPath(const std::string& mount_location, u64 program_id) {
u32 high = program_id >> 32;
u32 low = program_id & 0xFFFFFFFF;
return Common::StringFromFormat("%s%08x/%08x/data/00000001/", mount_location.c_str(), high, low);
}
ArchiveFactory_SaveData::ArchiveFactory_SaveData(const std::string& sdmc_directory)
: mount_point(GetSaveDataContainerPath(sdmc_directory)) {
LOG_INFO(Service_FS, "Directory %s set as SaveData.", this->mount_point.c_str());
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const Path& path) {
std::string concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_program_id);
if (!FileUtil::Exists(concrete_mount_point)) {
// When a SaveData archive is created for the first time, it is not yet formatted
// and the save file/directory structure expected by the game has not yet been initialized.
// Returning the NotFormatted error code will signal the game to provision the SaveData archive
// with the files and folders that it expects.
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
ErrorSummary::InvalidState, ErrorLevel::Status);
}
auto archive = Common::make_unique<DiskArchive>(std::move(concrete_mount_point));
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SaveData::Format(const Path& path) {
std::string concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_program_id);
FileUtil::DeleteDirRecursively(concrete_mount_point);
FileUtil::CreateFullPath(concrete_mount_point);
return RESULT_SUCCESS;
}
} // namespace FileSys
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