KviTimeUtils.h

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#ifndef _KVI_TIME_H_
#define _KVI_TIME_H_
//=============================================================================
//
//   File : KviTimeUtils.h
//   Creation date : Tue Sep 25 17:28:46 2001 GMT by Szymon Stefanek
//
//   This file is part of the KVIrc IRC client distribution
//   Copyright (C) 2001-2010 Szymon Stefanek (pragma at kvirc dot net)
//
//   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 2
//   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, write to the Free Software Foundation,
//   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================

#include "kvi_settings.h"

#include <time.h> // for time()

class QString;

#define kvi_unixTime() time(0)
#define kvi_timeSpan(_time_now, _time_before) ((_time_now) - (_time_before))
#define kvi_secondsSince(_that_time_t) kvi_timeSpan(kvi_unixTime(), _that_time_t)

#define kvi_time_t time_t

#if defined(COMPILE_ON_WINDOWS) || defined(COMPILE_ON_MINGW)
#include <winsock2.h> // struct timeval

extern KVILIB_API void kvi_gettimeofday(struct timeval * tmv, struct timezone * tmz);
#else
#include <sys/time.h> // gettimeofday(), struct timeval

inline void kvi_gettimeofday(struct timeval * tmv, struct timezone * tmz)
{
        gettimeofday(tmv, tmz);
}
#endif

class KVILIB_API KviMSecTimeInterval
{
public:
        KviMSecTimeInterval();

protected:
        unsigned long m_uReferenceSecs;
        unsigned long m_uReferenceUSecs;

public:
        unsigned long mark();

        unsigned long secondsCounter() { return m_uReferenceSecs; };
};

namespace KviTimeUtils
{
        KVILIB_API long long getCurrentTimeMills();

        KVILIB_API void secondsToDaysHoursMinsSecs(unsigned int uSecs,
            unsigned int * uD, unsigned int * uH, unsigned int * uM, unsigned int * uS);

        enum FormatTimeSpanFlags
        {
                NoLeadingEmptyIntervals = 1, 
                NoLeadingZeroes = 2,         
                FillWithHypens = 4           
        };

        KVILIB_API QString formatTimeInterval(unsigned int uSeconds, int iFlags = 0);
}

#endif //_KVI_TIME_H_