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patch_manager: Make use of type aliases

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We can use these to avoid typing the same type redundantly. This way, if
these ever change, only a single location needs to be modified.
This commit is contained in:
Lioncash
2020-09-14 19:09:49 -04:00
parent 637ab14ae6
commit a4392c24cf
2 changed files with 79 additions and 69 deletions
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36
src/core/file_sys/patch_manager.h
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@ -25,55 +25,59 @@ class NACP;
// A centralized class to manage patches to games.
class PatchManager {
public:
using BuildID = std::array<u8, 0x20>;
using Metadata = std::pair<std::unique_ptr<NACP>, VirtualFile>;
using PatchVersionNames = std::map<std::string, std::string, std::less<>>;
explicit PatchManager(u64 title_id);
~PatchManager();
u64 GetTitleID() const;
[[nodiscard]] u64 GetTitleID() const;
// Currently tracked ExeFS patches:
// - Game Updates
VirtualDir PatchExeFS(VirtualDir exefs) const;
[[nodiscard]] VirtualDir PatchExeFS(VirtualDir exefs) const;
// Currently tracked NSO patches:
// - IPS
// - IPSwitch
std::vector<u8> PatchNSO(const std::vector<u8>& nso, const std::string& name) const;
[[nodiscard]] std::vector<u8> PatchNSO(const std::vector<u8>& nso,
const std::string& name) const;
// Checks to see if PatchNSO() will have any effect given the NSO's build ID.
// Used to prevent expensive copies in NSO loader.
bool HasNSOPatch(const std::array<u8, 0x20>& build_id) const;
[[nodiscard]] bool HasNSOPatch(const BuildID& build_id) const;
// Creates a CheatList object with all
std::vector<Core::Memory::CheatEntry> CreateCheatList(
const Core::System& system, const std::array<u8, 0x20>& build_id) const;
[[nodiscard]] std::vector<Core::Memory::CheatEntry> CreateCheatList(
const Core::System& system, const BuildID& build_id) const;
// Currently tracked RomFS patches:
// - Game Updates
// - LayeredFS
VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
ContentRecordType type = ContentRecordType::Program,
VirtualFile update_raw = nullptr) const;
[[nodiscard]] VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
ContentRecordType type = ContentRecordType::Program,
VirtualFile update_raw = nullptr) const;
// Returns a vector of pairs between patch names and patch versions.
// i.e. Update 3.2.2 will return {"Update", "3.2.2"}
std::map<std::string, std::string, std::less<>> GetPatchVersionNames(
VirtualFile update_raw = nullptr) const;
[[nodiscard]] PatchVersionNames GetPatchVersionNames(VirtualFile update_raw = nullptr) const;
// If the game update exists, returns the u32 version field in its Meta-type NCA. If that fails,
// it will fallback to the Meta-type NCA of the base game. If that fails, the result will be
// std::nullopt
std::optional<u32> GetGameVersion() const;
[[nodiscard]] std::optional<u32> GetGameVersion() const;
// Given title_id of the program, attempts to get the control data of the update and parse
// it, falling back to the base control data.
std::pair<std::unique_ptr<NACP>, VirtualFile> GetControlMetadata() const;
[[nodiscard]] Metadata GetControlMetadata() const;
// Version of GetControlMetadata that takes an arbitrary NCA
std::pair<std::unique_ptr<NACP>, VirtualFile> ParseControlNCA(const NCA& nca) const;
[[nodiscard]] Metadata ParseControlNCA(const NCA& nca) const;
private:
std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
const std::string& build_id) const;
[[nodiscard]] std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
const std::string& build_id) const;
u64 title_id;
};