/*
   Copyright (C) 2011 Arnaud Champenois arthelion92@gmail.com

    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/>.
*/
#ifndef VPOSITION_H
#define VPOSITION_H

#include <stdint.h>

struct VPosition
{
    VPosition()
    {
        mMsPos = mFilePos = -1;
    }

    VPosition(int64_t aMsPos, int64_t aFilePos)
    {
        mMsPos = aMsPos;
        mFilePos = aFilePos;
    }

    inline VPosition& Saturate()
    {
        if(mMsPos<0 || mFilePos<0)
        {
           mMsPos = 0;
           mFilePos = 0;
        }
        return *this;
    }

    int64_t mMsPos; // Position time
    int64_t mFilePos; // Position in file

};

inline bool operator<(const VPosition&a,const VPosition&b)
{
    if(a.mMsPos<b.mMsPos) return true;
    else return false;
}

inline bool operator>(const VPosition&a,const VPosition&b)
{
    if(a.mMsPos>b.mMsPos) return true;
    else return false;
}

inline bool operator<=(const VPosition&a,const VPosition&b)
{
    if(a.mMsPos<b.mMsPos) return true;
    else return false;
}

inline bool operator>=(const VPosition&a,const VPosition&b)
{
    if(a.mMsPos>b.mMsPos) return true;
    else return false;
}

inline bool operator==(const VPosition&a,const VPosition&b)
{
    if(a.mMsPos==b.mMsPos) return true;
    else return false;
}

inline VPosition operator*(const VPosition&a,int aValue)
{ return VPosition(a.mMsPos*aValue,a.mFilePos*aValue); }

inline VPosition operator+(const VPosition&a,const VPosition&b)
{
   return VPosition(a.mMsPos+b.mMsPos,a.mFilePos+b.mFilePos);
}

inline VPosition &operator+=(VPosition&a,const VPosition&b)
{
  a.mMsPos += b.mMsPos;
  a.mFilePos += b.mFilePos;

  return a;
}

inline VPosition &operator-=(VPosition&a,const VPosition&b)
{
  a.mMsPos -= b.mMsPos;
  a.mFilePos -= b.mFilePos;

  return a;
}

inline VPosition operator-(const VPosition&a,const VPosition&b)
{
    return VPosition(a.mMsPos-b.mMsPos,a.mFilePos-b.mFilePos);
 }

#endif // VPOSITION_H