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https://github.com/Lime3DS/Lime3DS
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62 lines
2.3 KiB
C++
62 lines
2.3 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 <memory>
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#include <vector>
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#include "common/common_types.h"
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#include "common/file_util.h"
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#include "common/logging/log.h"
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#include "common/string_util.h"
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#include "core/file_sys/archive_ncch.h"
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#include "core/file_sys/ivfc_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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static std::string GetNCCHContainerPath(const std::string& nand_directory) {
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return Common::StringFromFormat("%s%s/title/", nand_directory.c_str(), SYSTEM_ID.c_str());
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}
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static std::string GetNCCHPath(const std::string& mount_point, u32 high, u32 low) {
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return Common::StringFromFormat("%s%08x/%08x/content/00000000.app.romfs", mount_point.c_str(),
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high, low);
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}
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ArchiveFactory_NCCH::ArchiveFactory_NCCH(const std::string& nand_directory)
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: mount_point(GetNCCHContainerPath(nand_directory)) {}
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ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_NCCH::Open(const Path& path) {
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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 = GetNCCHPath(mount_point, data[1], data[0]);
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auto file = std::make_shared<FileUtil::IOFile>(file_path, "rb");
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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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auto archive = std::make_unique<IVFCArchive>(file, 0, size);
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return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
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}
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ResultCode ArchiveFactory_NCCH::Format(const Path& path,
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const FileSys::ArchiveFormatInfo& format_info) {
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LOG_ERROR(Service_FS, "Attempted to format a NCCH archive.");
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// TODO: Verify error code
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return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS, ErrorSummary::NotSupported,
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ErrorLevel::Permanent);
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}
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ResultVal<ArchiveFormatInfo> ArchiveFactory_NCCH::GetFormatInfo(const Path& path) const {
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// TODO(Subv): Implement
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LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
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return ResultCode(-1);
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}
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} // namespace FileSys
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