/***************************************************************************
 *   Copyright (c) 2005 Imetric 3D GmbH                                    *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  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 Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/


#include "PreCompiled.h"

#include "Swap.h"

unsigned short Base::SwapOrder()
{
    unsigned short usDummy = 1;
    return *((char*)&usDummy) == 1 ? LOW_ENDIAN : HIGH_ENDIAN;
}

void Base::SwapVar(char& /*unused*/)
{}

void Base::SwapVar(unsigned char& /*unused*/)
{}

void Base::SwapVar(short& s)
{
    short sTmp = s;
    int i = 0;

    for (i = 0; i < (int)sizeof(short); i++) {
        *(((char*)&sTmp) + i) = *(((char*)&s) + sizeof(short) - i - 1);
    }
    s = sTmp;
}

void Base::SwapVar(unsigned short& s)
{
    short sTmp = s;
    int i = 0;

    for (i = 0; i < (int)sizeof(short); i++) {
        *(((char*)&sTmp) + i) = *(((char*)&s) + sizeof(short) - i - 1);
    }
    s = sTmp;
}

void Base::SwapVar(long& l)
{
    long lTmp = l;
    int i = 0;

    for (i = 0; i < (int)sizeof(long); i++) {
        *(((char*)&lTmp) + i) = *(((char*)&l) + sizeof(long) - i - 1);
    }
    l = lTmp;
}

void Base::SwapVar(unsigned long& l)
{
    long lTmp = l;
    int i = 0;

    for (i = 0; i < (int)sizeof(long); i++) {
        *(((char*)&lTmp) + i) = *(((char*)&l) + sizeof(long) - i - 1);
    }
    l = lTmp;
}

void Base::SwapVar(float& f)
{
    float fTmp = f;
    int i = 0;

    for (i = 0; i < (int)sizeof(float); i++) {
        *(((char*)&fTmp) + i) = *(((char*)&f) + sizeof(float) - i - 1);
    }
    f = fTmp;
}

void Base::SwapVar(double& d)
{
    double dTmp = d;
    int i = 0;

    for (i = 0; i < (int)sizeof(double); i++) {
        *(((char*)&dTmp) + i) = *(((char*)&d) + sizeof(double) - i - 1);
    }
    d = dTmp;
}