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https://git.suyu.dev/suyu/suyu
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6636f3ff47
Neither of these functions require the use of shared ownership of the returned pointer. This makes it more difficult to create reference cycles with, and makes the interface more generic, as std::shared_ptr instances can be created from a std::unique_ptr, but the vice-versa isn't possible. This also alters relevant functions to take NCA arguments by const reference rather than a const reference to a std::shared_ptr. These functions don't alter the ownership of the memory used by the NCA instance, so we can make the interface more generic by not assuming anything about the type of smart pointer the NCA is contained within and make it the caller's responsibility to ensure the supplied NCA is valid.
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
// Copyright 2018 yuzu emulator team
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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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#pragma once
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#include <map>
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#include <memory>
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#include <string>
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#include "common/common_types.h"
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#include "core/file_sys/nca_metadata.h"
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#include "core/file_sys/vfs.h"
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namespace FileSys {
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class NCA;
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class NACP;
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enum class TitleVersionFormat : u8 {
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ThreeElements, ///< vX.Y.Z
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FourElements, ///< vX.Y.Z.W
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};
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std::string FormatTitleVersion(u32 version,
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TitleVersionFormat format = TitleVersionFormat::ThreeElements);
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// A centralized class to manage patches to games.
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class PatchManager {
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public:
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explicit PatchManager(u64 title_id);
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~PatchManager();
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// Currently tracked ExeFS patches:
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// - Game Updates
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VirtualDir PatchExeFS(VirtualDir exefs) const;
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// Currently tracked NSO patches:
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// - IPS
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// - IPSwitch
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std::vector<u8> PatchNSO(const std::vector<u8>& nso) const;
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// Checks to see if PatchNSO() will have any effect given the NSO's build ID.
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// Used to prevent expensive copies in NSO loader.
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bool HasNSOPatch(const std::array<u8, 0x20>& build_id) const;
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// Currently tracked RomFS patches:
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// - Game Updates
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// - LayeredFS
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VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
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ContentRecordType type = ContentRecordType::Program,
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VirtualFile update_raw = nullptr) const;
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// Returns a vector of pairs between patch names and patch versions.
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// i.e. Update 3.2.2 will return {"Update", "3.2.2"}
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std::map<std::string, std::string, std::less<>> GetPatchVersionNames(
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VirtualFile update_raw = nullptr) const;
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// Given title_id of the program, attempts to get the control data of the update and parse it,
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// falling back to the base control data.
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std::pair<std::unique_ptr<NACP>, VirtualFile> GetControlMetadata() const;
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// Version of GetControlMetadata that takes an arbitrary NCA
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std::pair<std::unique_ptr<NACP>, VirtualFile> ParseControlNCA(const NCA& nca) const;
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private:
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u64 title_id;
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};
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} // namespace FileSys
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