Add Yuzu's file system implementation, will make it compilable later

core/fs/submission_package.h

@@ -0,0 +1,90 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <map>
+#include <memory>
+#include <set>
+#include <vector>
+#include "common/common_types.h"
+#include "core/file_sys/nca_metadata.h"
+#include "core/file_sys/vfs/vfs.h"
+
+namespace Core::Crypto {
+class KeyManager;
+}
+
+namespace Loader {
+enum class ResultStatus : u16;
+}
+
+namespace FileSys {
+
+class NCA;
+class PartitionFilesystem;
+
+enum class ContentRecordType : u8;
+
+class NSP : public ReadOnlyVfsDirectory {
+public:
+    explicit NSP(VirtualFile file_, u64 title_id = 0, std::size_t program_index_ = 0);
+    ~NSP() override;
+
+    Loader::ResultStatus GetStatus() const;
+    Loader::ResultStatus GetProgramStatus() const;
+    // Should only be used when one title id can be assured.
+    u64 GetProgramTitleID() const;
+    u64 GetExtractedTitleID() const;
+    std::vector<u64> GetProgramTitleIDs() const;
+
+    bool IsExtractedType() const;
+
+    // Common (Can be safely called on both types)
+    VirtualFile GetRomFS() const;
+    VirtualDir GetExeFS() const;
+
+    // Type 0 Only (Collection of NCAs + Certificate + Ticket + Meta XML)
+    std::vector<std::shared_ptr<NCA>> GetNCAsCollapsed() const;
+    std::multimap<u64, std::shared_ptr<NCA>> GetNCAsByTitleID() const;
+    std::map<u64, std::map<std::pair<TitleType, ContentRecordType>, std::shared_ptr<NCA>>> GetNCAs()
+        const;
+    std::shared_ptr<NCA> GetNCA(u64 title_id, ContentRecordType type,
+                                TitleType title_type = TitleType::Application) const;
+    VirtualFile GetNCAFile(u64 title_id, ContentRecordType type,
+                           TitleType title_type = TitleType::Application) const;
+
+    std::vector<VirtualFile> GetFiles() const override;
+
+    std::vector<VirtualDir> GetSubdirectories() const override;
+
+    std::string GetName() const override;
+
+    VirtualDir GetParentDirectory() const override;
+
+private:
+    void SetTicketKeys(const std::vector<VirtualFile>& files);
+    void InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files);
+    void ReadNCAs(const std::vector<VirtualFile>& files);
+
+    VirtualFile file;
+
+    const u64 expected_program_id;
+    const std::size_t program_index;
+
+    bool extracted = false;
+    Loader::ResultStatus status;
+    std::map<u64, Loader::ResultStatus> program_status;
+
+    std::shared_ptr<PartitionFilesystem> pfs;
+    // Map title id -> {map type -> NCA}
+    std::map<u64, std::map<std::pair<TitleType, ContentRecordType>, std::shared_ptr<NCA>>> ncas;
+    std::set<u64> program_ids;
+    std::vector<VirtualFile> ticket_files;
+
+    Core::Crypto::KeyManager& keys;
+
+    VirtualFile romfs;
+    VirtualDir exefs;
+};
+} // namespace FileSys