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https://github.com/dolphin-emu/dolphin.git
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62d08e2d17
The whole NANDContentLoader stuff is truly awful and will be removed as soon as possible. For now, this fixes a bug that was exposed by std::optional::operator*.
128 lines
3.2 KiB
C++
128 lines
3.2 KiB
C++
// Copyright 2009 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <cstddef>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "Common/NandPaths.h"
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#include "Core/IOS/ES/Formats.h"
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namespace File
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{
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class IOFile;
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}
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namespace DiscIO
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{
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enum class Region;
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// TODO: move some of these to Core/IOS/ES.
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bool AddTicket(const IOS::ES::TicketReader& signed_ticket);
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IOS::ES::TicketReader FindSignedTicket(u64 title_id);
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class CNANDContentData
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{
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public:
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virtual ~CNANDContentData() = 0;
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virtual void Open() {}
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virtual std::vector<u8> Get() = 0;
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virtual bool GetRange(u32 start, u32 size, u8* buffer) = 0;
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virtual void Close() {}
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};
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class CNANDContentDataFile final : public CNANDContentData
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{
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public:
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explicit CNANDContentDataFile(const std::string& filename);
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~CNANDContentDataFile();
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void Open() override;
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std::vector<u8> Get() override;
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bool GetRange(u32 start, u32 size, u8* buffer) override;
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void Close() override;
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private:
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void EnsureOpen();
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const std::string m_filename;
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std::unique_ptr<File::IOFile> m_file;
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};
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class CNANDContentDataBuffer final : public CNANDContentData
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{
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public:
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explicit CNANDContentDataBuffer(const std::vector<u8>& buffer) : m_buffer(buffer) {}
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std::vector<u8> Get() override { return m_buffer; }
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bool GetRange(u32 start, u32 size, u8* buffer) override;
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private:
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const std::vector<u8> m_buffer;
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};
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struct SNANDContent
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{
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IOS::ES::Content m_metadata;
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std::unique_ptr<CNANDContentData> m_Data;
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};
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// Instances of this class must be created by CNANDContentManager
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class CNANDContentLoader final
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{
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public:
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explicit CNANDContentLoader(const std::string& content_name, Common::FromWhichRoot from);
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~CNANDContentLoader();
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bool IsValid() const;
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const SNANDContent* GetContentByID(u32 id) const;
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const SNANDContent* GetContentByIndex(int index) const;
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const IOS::ES::TMDReader& GetTMD() const { return m_tmd; }
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const IOS::ES::TicketReader& GetTicket() const { return m_ticket; }
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const std::vector<SNANDContent>& GetContent() const { return m_Content; }
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private:
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bool Initialize(const std::string& name);
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void InitializeContentEntries(const std::vector<u8>& data_app);
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bool m_Valid = false;
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bool m_IsWAD = false;
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Common::FromWhichRoot m_root;
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std::string m_Path;
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IOS::ES::TMDReader m_tmd;
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IOS::ES::TicketReader m_ticket;
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std::vector<SNANDContent> m_Content;
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};
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// we open the NAND Content files too often... let's cache them
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class CNANDContentManager
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{
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public:
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static CNANDContentManager& Access()
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{
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static CNANDContentManager instance;
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return instance;
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}
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const CNANDContentLoader&
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GetNANDLoader(const std::string& content_path,
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Common::FromWhichRoot from = Common::FROM_CONFIGURED_ROOT);
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const CNANDContentLoader&
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GetNANDLoader(u64 title_id, Common::FromWhichRoot from = Common::FROM_CONFIGURED_ROOT);
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void ClearCache();
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private:
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CNANDContentManager() {}
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~CNANDContentManager();
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CNANDContentManager(CNANDContentManager const&) = delete;
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void operator=(CNANDContentManager const&) = delete;
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std::unordered_map<std::string, std::unique_ptr<CNANDContentLoader>> m_map;
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};
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}
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