ultimatepp/uppdev/XLS/timespan.h
cxl b287b3d34c Testing usvn
git-svn-id: svn://ultimatepp.org/upp/trunk@1342 f0d560ea-af0d-0410-9eb7-867de7ffcac7
2009-06-28 08:21:16 +00:00

114 lines
3 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* This file is part of xlslib -- A multiplatform, C/C++ library
* for dynamic generation of Excel(TM) files.
*
* xlslib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* xlslib 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with xlslib. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2004 Yeico S. A. de C. V.
* Copyright 2008 David Hoerl
*
* $Source: /cvsroot/xlslib/xlslib/src/common/timespan.h,v $
* $Revision: 1.2 $
* $Author: dhoerl $
* $Date: 2008/10/25 18:39:53 $
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* File description:
*
*
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef TIMESPAN_H
#define TIMESPAN_H
#include <time.h>
#include <assert.h>
#include <XLS/config.h>
#include <XLS/systype.h>
class CCpuClockTimespan
{
enum
{ INVALID_VALUE = -1, };
public:
CCpuClockTimespan()
: m_clockStart( INVALID_VALUE),
m_nUsedClockTicks( INVALID_VALUE)
{}
~CCpuClockTimespan()
{}
void StartClock()
{
// the clock is already started !!!
// stop it first !!!
assert( m_clockStart == (clock_t)INVALID_VALUE);
m_nUsedClockTicks = (clock_t)INVALID_VALUE;
m_clockStart = clock();
}
void StopClock()
{
const clock_t clockStop = clock();
// start the clock first !!!
assert( m_clockStart != (clock_t)INVALID_VALUE);
m_nUsedClockTicks = clockStop - m_clockStart;
// after this, we can start it again !!!
m_clockStart = INVALID_VALUE;
}
unsigned long GetUsedMilliseconds() const
{
const int MILLISECONDS_PER_SECOND = 1000;
// the clock was never started,
// or it's started, but it has not been stopped yet
assert( m_nUsedClockTicks != (clock_t)INVALID_VALUE);
double nSeconds = ( ( double)m_nUsedClockTicks) / CLOCKS_PER_SEC;
const unsigned long nMilliseconds = (unsigned long)(nSeconds * MILLISECONDS_PER_SECOND);
return nMilliseconds;
}
private:
// when did we Start to measure
// clock time?
clock_t m_clockStart;
// the used clock ticks, from Start to Stop
clock_t m_nUsedClockTicks;
};
#endif //TIMESPAN_H
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* $Log: timespan.h,v $
* Revision 1.2 2008/10/25 18:39:53 dhoerl
* 2008
*
* Revision 1.1.1.1 2004/08/27 16:32:05 darioglz
* Initial Import.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */