52 lines
2.1 KiB
C++
52 lines
2.1 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 "common/file_util.h"
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#include "core/file_sys/archive_savedatacheck.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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static std::string GetSaveDataCheckContainerPath(const std::string& mount_point) {
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return Common::StringFromFormat("%s%s/title", mount_point.c_str(), SYSTEM_ID.c_str());
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}
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static std::string GetSaveDataCheckPath(const std::string& mount_point, u32 high, u32 low) {
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return Common::StringFromFormat("%s%08x/%08x/content/00000000.app.romfs",
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mount_point.c_str(), high, low);
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}
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Archive_SaveDataCheck::Archive_SaveDataCheck(const std::string& mount_loc) :
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mount_point(GetSaveDataCheckContainerPath(mount_loc)) {
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}
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ResultCode Archive_SaveDataCheck::Open(const Path& path) {
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// TODO(Subv): We should not be overwriting raw_data everytime this function is called,
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// but until we use factory classes to create the archives at runtime instead of creating them beforehand
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// and allow multiple archives of the same type to be open at the same time without clobbering each other,
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// we won't be able to maintain the state of each archive, hence we overwrite it every time it's needed.
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// There are a number of problems with this, for example opening a file in this archive, then opening
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// this archive again with a different path, will corrupt the previously open file.
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auto vec = path.AsBinary();
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const u32* data = reinterpret_cast<u32*>(vec.data());
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std::string file_path = GetSaveDataCheckPath(mount_point, data[1], data[0]);
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FileUtil::IOFile file(file_path, "rb");
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std::fill(raw_data.begin(), raw_data.end(), 0);
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if (!file.IsOpen()) {
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return ResultCode(-1); // TODO(Subv): Find the right error code
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}
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auto size = file.GetSize();
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raw_data.resize(size);
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file.ReadBytes(raw_data.data(), size);
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file.Close();
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return RESULT_SUCCESS;
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}
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} // namespace FileSys
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