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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#pragma once

#include <vector>

#include "common/common_types.h"

#include "core/file_sys/archive_backend.h"
#include "core/loader/loader.h"

////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace

namespace FileSys {

/// File system interface to the RomFS archive
class Archive_RomFS final : public ArchiveBackend {
public:
    Archive_RomFS(const Loader::AppLoader& app_loader);

    std::string GetName() const override { return "RomFS"; }

    /**
     * Open a file specified by its path, using the specified mode
     * @param path Path relative to the archive
     * @param mode Mode to open the file with
     * @return Opened file, or nullptr
     */
    std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const override;

    /**
     * Delete a file specified by its path
     * @param path Path relative to the archive
     * @return Whether the file could be deleted
     */
    bool DeleteFile(const Path& path) const override;

    /**
     * Rename a File specified by its path
     * @param src_path Source path relative to the archive
     * @param dest_path Destination path relative to the archive
     * @return Whether rename succeeded
     */
    bool RenameFile(const Path& src_path, const Path& dest_path) const override;

    /**
     * Delete a directory specified by its path
     * @param path Path relative to the archive
     * @return Whether the directory could be deleted
     */
    bool DeleteDirectory(const Path& path) const override;

    /**
     * Create a file specified by its path
     * @param path Path relative to the Archive
     * @param size The size of the new file, filled with zeroes
     * @return File creation result code
     */
    ResultCode CreateFile(const Path& path, u32 size) const override;

    /**
     * Create a directory specified by its path
     * @param path Path relative to the archive
     * @return Whether the directory could be created
     */
    bool CreateDirectory(const Path& path) const override;

    /**
     * Rename a Directory specified by its path
     * @param src_path Source path relative to the archive
     * @param dest_path Destination path relative to the archive
     * @return Whether rename succeeded
     */
    bool RenameDirectory(const Path& src_path, const Path& dest_path) const override;

    /**
     * Open a directory specified by its path
     * @param path Path relative to the archive
     * @return Opened directory, or nullptr
     */
    std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;

    ResultCode Open(const Path& path) override {
        return RESULT_SUCCESS;
    }

    ResultCode Format(const Path& path) const override;

private:
    friend class File_RomFS;

    std::vector<u8> raw_data;
};

} // namespace FileSys