citra-canary/src/core/file_sys/archive_savedatacheck.cpp

59 lines
2.1 KiB
C++

// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <vector>
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/make_unique.h"
#include "common/string_util.h"
#include "core/file_sys/archive_savedatacheck.h"
#include "core/file_sys/ivfc_archive.h"
#include "core/hle/service/fs/archive.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
static std::string GetSaveDataCheckContainerPath(const std::string& nand_directory) {
return Common::StringFromFormat("%s%s/title/", nand_directory.c_str(), SYSTEM_ID.c_str());
}
static std::string GetSaveDataCheckPath(const std::string& mount_point, u32 high, u32 low) {
return Common::StringFromFormat("%s%08x/%08x/content/00000000.app.romfs",
mount_point.c_str(), high, low);
}
ArchiveFactory_SaveDataCheck::ArchiveFactory_SaveDataCheck(const std::string& nand_directory) :
mount_point(GetSaveDataCheckContainerPath(nand_directory)) {
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveDataCheck::Open(const Path& path) {
auto vec = path.AsBinary();
const u32* data = reinterpret_cast<u32*>(vec.data());
std::string file_path = GetSaveDataCheckPath(mount_point, data[1], data[0]);
auto file = std::make_shared<FileUtil::IOFile>(file_path, "rb");
if (!file->IsOpen()) {
return ResultCode(-1); // TODO(Subv): Find the right error code
}
auto size = file->GetSize();
auto archive = Common::make_unique<IVFCArchive>(file, 0, size);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SaveDataCheck::Format(const Path& path) {
LOG_ERROR(Service_FS, "Attempted to format a SaveDataCheck archive.");
// TODO: Verify error code
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS,
ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
} // namespace FileSys