File.h

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/*
 * Copyright (C) 2022 The V-Gears Team
 *
 * This file is part of V-Gears
 *
 * V-Gears is free software: you can redistribute it and/or modify it under
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, version 3.0 (GPLv3) of the License.
 *
 * V-Gears is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 */
 
#pragma once
 
#include <OgreString.h>
#include "common/TypeDefine.h"
 
class File{
 
    public:
 
        File(const Ogre::String& file);
 
        File(const File* file);
 
        File(const File* file, u32 offset, u32 length);
 
        File(const u8* buffer, u32 offset, u32 length);
 
        virtual ~File();
 
        void WriteFile(const Ogre::String& file) const;
 
        const Ogre::String& GetFileName() const;
 
        u32 GetFileSize() const;
 
        void GetFileBuffer(
          u8* buffer, const u32 &start, const u32 &length
        ) const;
 
        u8 GetU8(u32 offset) const;
 
        u16 GetU16LE(u32 offset) const;
 
        u32 GetU32LE(u32 offset) const;
 
        u8 readU8();
 
        u16 readU16LE();
 
        u32 readU32LE();
 
        u32 GetCurrentOffset();
 
        void SetOffset(u32 offset);
 
    protected:
 
        Ogre::String file_name_;
 
        u32 offset_ = 0;
 
        u8* buffer_;
 
        u32 buffer_size_;
};