108 lines
2.7 KiB
C++
108 lines
2.7 KiB
C++
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <array>
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#include <memory>
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#include <optional>
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#include <string>
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#include <vector>
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/swap.h"
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#include "core/crypto/key_manager.h"
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#include "core/file_sys/vfs.h"
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namespace Loader {
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enum class ResultStatus : u16;
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}
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namespace FileSys {
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class NcaReader;
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/// Describes the type of content within an NCA archive.
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enum class NCAContentType : u8 {
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/// Executable-related data
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Program = 0,
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/// Metadata.
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Meta = 1,
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/// Access control data.
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Control = 2,
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/// Information related to the game manual
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/// e.g. Legal information, etc.
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Manual = 3,
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/// System data.
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Data = 4,
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/// Data that can be accessed by applications.
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PublicData = 5,
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};
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using RightsId = std::array<u8, 0x10>;
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inline bool IsDirectoryExeFS(const VirtualDir& pfs) {
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// According to switchbrew, an exefs must only contain these two files:
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return pfs->GetFile("main") != nullptr && pfs->GetFile("main.npdm") != nullptr;
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}
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inline bool IsDirectoryLogoPartition(const VirtualDir& pfs) {
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// NintendoLogo is the static image in the top left corner while StartupMovie is the animation
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// in the bottom right corner.
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return pfs->GetFile("NintendoLogo.png") != nullptr &&
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pfs->GetFile("StartupMovie.gif") != nullptr;
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}
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// An implementation of VfsDirectory that represents a Nintendo Content Archive (NCA) container.
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// After construction, use GetStatus to determine if the file is valid and ready to be used.
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class NCA : public ReadOnlyVfsDirectory {
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public:
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explicit NCA(VirtualFile file, const NCA* base_nca = nullptr);
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~NCA() override;
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Loader::ResultStatus GetStatus() const;
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std::vector<VirtualFile> GetFiles() const override;
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std::vector<VirtualDir> GetSubdirectories() const override;
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std::string GetName() const override;
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VirtualDir GetParentDirectory() const override;
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NCAContentType GetType() const;
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u64 GetTitleId() const;
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RightsId GetRightsId() const;
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u32 GetSDKVersion() const;
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bool IsUpdate() const;
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VirtualFile GetRomFS() const;
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VirtualDir GetExeFS() const;
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VirtualFile GetBaseFile() const;
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VirtualDir GetLogoPartition() const;
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private:
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std::vector<VirtualDir> dirs;
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std::vector<VirtualFile> files;
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VirtualFile romfs = nullptr;
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VirtualDir exefs = nullptr;
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VirtualDir logo = nullptr;
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VirtualFile file;
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Loader::ResultStatus status{};
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bool encrypted = false;
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bool is_update = false;
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Core::Crypto::KeyManager& keys;
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std::shared_ptr<NcaReader> reader;
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};
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} // namespace FileSys
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