persistenceblock.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * This code is based on Broken Sword 2.5 engine
 *
 * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
 *
 * Licensed under GNU GPL v2
 *
 */

#ifndef SWORD25_PERSISTENCEBLOCK_H
#define SWORD25_PERSISTENCEBLOCK_H

#include "sword25/kernel/common.h"

namespace Sword25 {

class PersistenceBlock {
public:
    static uint getSInt32Size() {
        return sizeof(signed int) + sizeof(byte);
    }
    static uint getUInt32Size() {
        return sizeof(uint) + sizeof(byte);
    }
    static uint getFloat32Size() {
        return sizeof(float) + sizeof(byte);
    }
    static uint getBoolSize() {
        return sizeof(byte) + sizeof(byte);
    }
    static uint getStringSize(const Common::String &string) {
        return static_cast<uint>(sizeof(uint) + string.size() + sizeof(byte));
    }

protected:
    enum {
        SINT_MARKER,
        UINT_MARKER,
        FLOAT_MARKER,
        STRING_MARKER,
        BOOL_MARKER,
        BLOCK_MARKER
    };

};

#define CTASSERT(ex) typedef char ctassert_type[(ex) ? 1 : -1]
CTASSERT(sizeof(byte) == 1);
CTASSERT(sizeof(signed int) == 4);
CTASSERT(sizeof(uint) == 4);
CTASSERT(sizeof(float) == 4);
#undef CTASSERT

} // End of namespace Sword25

#endif