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sltime.cpp
435 lines (350 loc) · 8.01 KB
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sltime.cpp
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#include "stdafx.h"
#include "sltime.h"
sltimespan::sltimespan() throw() : m_timeSpan(0)
{
}
sltimespan::sltimespan( time_t time) throw() : m_timeSpan( time )
{
}
sltimespan::sltimespan(long lDays, int nHours, int nMins, int nSecs) throw()
{
m_timeSpan = nSecs + 60* (nMins + 60* (nHours + __int64(24) * lDays));
}
__int64 sltimespan::GetDays() const throw()
{
return( m_timeSpan/(24*3600) );
}
__int64 sltimespan::GetTotalHours() const throw()
{
return( m_timeSpan/3600 );
}
long sltimespan::GetHours() const throw()
{
return( long( GetTotalHours()-(GetDays()*24) ) );
}
__int64 sltimespan::GetTotalMinutes() const throw()
{
return( m_timeSpan/60 );
}
long sltimespan::GetMinutes() const throw()
{
return( long( GetTotalMinutes()-(GetTotalHours()*60) ) );
}
__int64 sltimespan::GetTotalSeconds() const throw()
{
return( m_timeSpan );
}
long sltimespan::GetSeconds() const throw()
{
return( long( GetTotalSeconds()-(GetTotalMinutes()*60) ) );
}
time_t sltimespan::GetTimeSpan() const throw()
{
return( m_timeSpan );
}
sltimespan sltimespan::operator+( sltimespan span) const throw()
{
return( sltimespan( m_timeSpan+span.m_timeSpan ) );
}
sltimespan sltimespan::operator-( sltimespan span) const throw()
{
return( sltimespan( m_timeSpan-span.m_timeSpan ) );
}
sltimespan& sltimespan::operator+=( sltimespan span) throw()
{
m_timeSpan += span.m_timeSpan;
return( *this );
}
sltimespan& sltimespan::operator-=( sltimespan span) throw()
{
m_timeSpan -= span.m_timeSpan;
return( *this );
}
bool sltimespan::operator==( sltimespan span) const throw()
{
return( m_timeSpan == span.m_timeSpan );
}
bool sltimespan::operator!=( sltimespan span) const throw()
{
return( m_timeSpan != span.m_timeSpan );
}
bool sltimespan::operator<( sltimespan span) const throw()
{
return( m_timeSpan < span.m_timeSpan );
}
bool sltimespan::operator>( sltimespan span) const throw()
{
return( m_timeSpan > span.m_timeSpan );
}
bool sltimespan::operator<=( sltimespan span) const throw()
{
return( m_timeSpan <= span.m_timeSpan );
}
bool sltimespan::operator>=( sltimespan span) const throw()
{
return( m_timeSpan >= span.m_timeSpan );
}
/////////////////////////////////////////////////////////////////////////////
// CSlTime
/////////////////////////////////////////////////////////////////////////////
sltime sltime::GetCurrentSlTime() throw()
{
return( sltime( time( nullptr ) ) );
}
sltime::sltime() throw() : m_time(0)
{
}
sltime::sltime( time_t time) throw(): m_time( time )
{
}
sltime::sltime( int nYear, int nMonth, int nDay, int nHour, int nMin, int nSec, int nDST)
{
#pragma warning (push)
#pragma warning (disable: 4127) // conditional expression constant
ASSERT( nYear >= 1900 );
ASSERT( nMonth >= 1 && nMonth <= 12 );
ASSERT( nDay >= 1 && nDay <= 31 );
ASSERT( nHour >= 0 && nHour <= 23 );
ASSERT( nMin >= 0 && nMin <= 59 );
ASSERT( nSec >= 0 && nSec <= 59 );
#pragma warning (pop)
struct tm atm;
atm.tm_sec = nSec;
atm.tm_min = nMin;
atm.tm_hour = nHour;
atm.tm_mday = nDay;
atm.tm_mon = nMonth - 1; // tm_mon is 0 based
atm.tm_year = nYear - 1900; // tm_year is 1900 based
atm.tm_isdst = nDST;
m_time = mktime(&atm);
ASSERT(m_time != -1); // indicates an illegal input time
if(m_time == -1)
{
throw(0);
}
}
sltime& sltime::operator=( time_t time) throw()
{
m_time = time;
return( *this );
}
sltime& sltime::operator=( const sltime& time) throw()
{
m_time = time.GetTime();
return( *this );
}
sltime& sltime::operator+=( sltimespan span) throw()
{
m_time += span.GetTimeSpan();
return( *this );
}
sltime& sltime::operator-=( sltimespan span) throw()
{
m_time -= span.GetTimeSpan();
return( *this );
}
sltimespan sltime::operator-( sltime time) const throw()
{
return( sltimespan( m_time-time.m_time ) );
}
sltime sltime::operator-( sltimespan span) const throw()
{
return( sltime( m_time-span.GetTimeSpan() ) );
}
sltime sltime::operator+( sltimespan span) const throw()
{
return( sltime( m_time+span.GetTimeSpan() ) );
}
bool sltime::operator==( sltime time) const throw()
{
return( m_time == time.m_time );
}
bool sltime::operator!=( sltime time) const throw()
{
return( m_time != time.m_time );
}
bool sltime::operator<( sltime time) const throw()
{
return( m_time < time.m_time );
}
bool sltime::operator>( sltime time) const throw()
{
return( m_time > time.m_time );
}
bool sltime::operator<=( sltime time) const throw()
{
return( m_time <= time.m_time );
}
bool sltime::operator>=( sltime time) const throw()
{
return( m_time >= time.m_time );
}
struct tm* sltime::GetLocalTm( struct tm* ptm) const
{
// Ensure ptm is valid
ASSERT( ptm != nullptr );
if (ptm != nullptr)
{
struct tm* ptmTemp;
ptmTemp = localtime(&m_time);
// Be sure the call succeeded
if(ptmTemp == 0) { ASSERT(false); return nullptr; }
*ptm = *ptmTemp;
return ptm;
}
return nullptr;
}
time_t sltime::GetTime() const throw()
{
return( m_time );
}
int sltime::GetYear() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
return ptm ? (ptm->tm_year) + 1900 : 0 ;
}
int sltime::GetMonth() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
return ptm ? ptm->tm_mon + 1 : 0;
}
int sltime::GetDay() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
return ptm ? ptm->tm_mday : 0 ;
}
int sltime::GetHour() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
return ptm ? ptm->tm_hour : -1 ;
}
int sltime::GetMinute() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
return ptm ? ptm->tm_min : -1 ;
}
int sltime::GetSecond() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
return ptm ? ptm->tm_sec : -1 ;
}
int sltime::GetDayOfWeek() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
return ptm ? ptm->tm_wday : 0;
}
CString sltime::Format( const char* pFormat) const
{
if(pFormat == nullptr)
{
return pFormat;
}
char szBuffer[256];
struct tm* ptmTemp;
ptmTemp = localtime(&m_time);
if (ptmTemp == nullptr)
{
ASSERT(false);
return "time format failed";
}
if (!strftime(szBuffer, 256, pFormat, ptmTemp))
{
szBuffer[0] = '\0';
}
return szBuffer;
}
inline CString sltime::FormatGmt( const char* pFormat) const
{
if(pFormat == nullptr)
{
return pFormat;
}
char szBuffer[256];
struct tm* ptmTemp;
ptmTemp = gmtime(&m_time);
if (!strftime(szBuffer, 256, pFormat, ptmTemp))
{
szBuffer[0] = '\0';
}
return szBuffer;
}
/*int GetMonthInterval(int month1, int month2)
{
int year = month1 / 100 - month2 / 100;
int mon = month1 % 100 - month2 % 100;
return (year*12 + mon);
}*/
int sltime::sltimetoYM() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
return (ptm->tm_year+1900)*100 + ptm->tm_mon+1;
}
int sltime::sltimetoYMD() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
int nResult = (ptm->tm_year+1900) * 10000;
nResult += (ptm->tm_mon+1) * 100;
nResult += ptm->tm_mday;
return nResult;
}
int sltime::sltimetoHM() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
return ptm->tm_hour * 100 + ptm->tm_min;
}
int sltime::sltimetoDHM() const
{
ASSERT(m_time!=0);
struct tm * ptm;
ptm = localtime(&m_time);
int nResult = ptm->tm_mday * 10000;
nResult += ptm->tm_hour * 100;
nResult += ptm->tm_min;
return nResult;
}
void sltime::YMDtoSlTime(int YMD)
{
struct tm atm;
atm.tm_sec = 0;
atm.tm_min = 0;
atm.tm_hour = 0;
atm.tm_mday = YMD % 100;
atm.tm_mon = (YMD%10000)/100 - 1; // tm_mon is 0 based
atm.tm_year = YMD/10000 - 1900; // tm_year is 1900 based
atm.tm_isdst = -1;
m_time = mktime(&atm);
ASSERT(m_time != -1); // indicates an illegal input time
}
void sltime::YMDHMStoSlTime(int YMD, int hour, int min, int sec)
{
struct tm atm;
atm.tm_sec = sec;
atm.tm_min = min;
atm.tm_hour = hour;
atm.tm_mday = YMD % 100;
atm.tm_mon = (YMD%10000)/100 - 1; // tm_mon is 0 based
atm.tm_year = YMD/10000 - 1900; // tm_year is 1900 based
atm.tm_isdst = -1;
m_time = mktime(&atm);
ASSERT(m_time != -1); // indicates an illegal input time
}