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192 lines
6.7 KiB
192 lines
6.7 KiB
/**********************************************************************/
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/** Microsoft Windows/NT **/
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/** Copyright(c) Microsoft Corp., 1991 **/
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/**********************************************************************/
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/*
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ctime.hxx
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Header file for TIME class
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FILE HISTORY:
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terryk 27-Aug-91 Created
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terryk 13-Sep-91 Code review changes. Attend: davidbul
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o-simop beng
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terryk 14-Oct-91 Add comment. It will not work for date
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before 1980.
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terryk 30-Nov-91 Change _ptmTime to _tmTime ( for
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multiple copy of the object )
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Yi-HsinS 5-Dec-92 Restructure to use WIN32 APIs instead
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of C Runtimes
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*/
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#ifndef _CTIME_HXX_
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#define _CTIME_HXX_
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#include "base.hxx"
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/*************************************************************************
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NAME: WIN_TIME
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SYNOPSIS: Wrapper class for WIN32 TIME functions
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INTERFACE:
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WIN_TIME() - construct and set the object to current time or
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a specified time.
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ALWAYS PASS THE GMT TIME, even if fStoreAsGMT is FALSE.
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SetCurrentTime() - set the object to current time. ONLY CALL THIS
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WHEN _fStoreAsGMT IS TRUE!
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SetTime() - set the object to a specified time. The
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time value represents the seconds elapsed since
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00:00:00 January 1,1970. However it will not
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work for date prior to January 1980.
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ALWAYS PASS THE GMT TIME, even if _fStoreAsGMT is FALSE.
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SetGMT() - set the present method to local time or GMT time
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These methods set a component of the time:
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SetHour() - set the hour field ( 0-23 )
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SetMinute() - set the minute field ( 0-59 )
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SetSecond() - set the second field ( 0-59 )
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SetMilliseconds() - set the millisecond field ( 0-999 )
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SetYear() - set the year field ( e.g. 1992 )
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SetMonth() - set the month field ( 1-12, 1-January )
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SetDay() - set day of month field ( 1-31 )
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Normalize() - set the DayofWeek and year day
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appropriately. Always call this after you are
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finished calling the Set[component] methods
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and before you use the WIN_TIME in any other way.
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QueryTime() - return the time in ULONG format ( the
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second elapsed since 00:00:00, January 1, 1970.)
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Always returns GMT time regardless of _fStoreAsGMT.
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QueryFileTime() - return the GMT time in FILETIME format
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Always returns GMT time regardless of _fStoreAsGMT.
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QueryLocalTime() - return the time in ULONG format ( the
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second elapsed since 00:00:00, January 1, 1970.)
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Always returns local time regardless of _fStoreAsGMT.
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QueryLocalTime() - return the GMT time in FILETIME format
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Always returns local time regardless of _fStoreAsGMT.
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These APIs return a component of the time:
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QueryHour() - return hour field value ( 0-23 )
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QueryMinute() - return minute field value ( 0-59 )
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QuerySecond() - return second field value ( 0-59 )
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QueryMilliseconds() - return the millisecond field value ( 0-999)
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QueryYear() - return year field value ( e.g. 1992 )
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QueryMonth() - return month field value ( 1-12, 1-January )
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QueryDay() - return Day field value ( 1- 31 )
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QueryDayOfWeek() - return day of week field value
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( 0 - 6, Sunday = 0 )
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NOTES: WIN_TIME stores time internally in either local time
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or GMT time, depending on the setting of the _fStoreAsGMT flag.
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HISTORY:
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terryk 27-Aug-91 Created
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Yi-HsinS 5-Dec-92 Inherit from BASE
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JonN 15-Apr-1992 GMT improvements
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**************************************************************************/
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DLL_CLASS WIN_TIME : public BASE
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{
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private:
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BOOL _fStoreAsGMT;
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FILETIME _fileTime;
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SYSTEMTIME _sysTime;
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public:
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WIN_TIME( BOOL fStoreAsGMT = FALSE );
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WIN_TIME( ULONG tTimeGMT, BOOL fStoreAsGMT = FALSE );
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WIN_TIME( FILETIME fileTimeGMT, BOOL fStoreAsGMT = FALSE );
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//
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// Set time methods
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//
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APIERR SetCurrentTime();
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APIERR SetCurrentTimeGMT()
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{ return SetCurrentTime(); }
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APIERR SetTime( ULONG tTimeGMT );
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APIERR SetTime( FILETIME fileTimeGMT );
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APIERR SetTimeGMT( ULONG tTimeGMT )
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{ return SetTime( tTimeGMT ); }
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APIERR SetTimeGMT( FILETIME fileTimeGMT )
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{ return SetTime( fileTimeGMT ); }
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APIERR SetTimeLocal( ULONG tTimeLocal );
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APIERR SetTimeLocal( FILETIME fileTimeLocal );
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APIERR SetGMT ( BOOL fStoreAsGMT );
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//
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// Query time methods
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//
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APIERR QueryTime( ULONG *ptTimeGMT ) const;
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APIERR QueryFileTime( FILETIME *pfileTimeGMT ) const;
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APIERR QueryTimeGMT( ULONG *ptTimeGMT ) const
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{ return QueryTime( ptTimeGMT ); }
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APIERR QueryFileTimeGMT( FILETIME *pfileTimeGMT ) const
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{ return QueryFileTime( pfileTimeGMT ); }
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APIERR QueryTimeLocal( ULONG *ptTimeLocal ) const;
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APIERR QueryFileTimeLocal( FILETIME *pfileTimeLocal ) const;
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//
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// Set individual field methods
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//
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VOID SetHour( INT nHour )
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{ _sysTime.wHour = (WORD)nHour; }
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VOID SetMinute( INT nMinute )
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{ _sysTime.wMinute = (WORD)nMinute; }
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VOID SetSecond( INT nSecond )
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{ _sysTime.wSecond = (WORD)nSecond; }
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VOID SetMilliseconds( INT nMilliseconds )
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{ _sysTime.wMilliseconds = (WORD)nMilliseconds; }
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VOID SetYear( INT nYear )
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{ _sysTime.wYear = (WORD)nYear; }
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VOID SetMonth( INT nMonth )
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{ _sysTime.wMonth = (WORD)nMonth; }
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VOID SetDay( INT nDay )
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{ _sysTime.wDay = (WORD)nDay; }
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APIERR Normalize();
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//
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// Query individual field methods
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//
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INT QueryHour() const
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{ return _sysTime.wHour; }
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INT QueryMinute() const
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{ return _sysTime.wMinute; }
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INT QuerySecond() const
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{ return _sysTime.wSecond; }
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INT QueryMilliseconds() const
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{ return _sysTime.wMilliseconds; }
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INT QueryYear() const
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{ return _sysTime.wYear; }
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INT QueryMonth() const
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{ return _sysTime.wMonth; }
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INT QueryDay() const
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{ return _sysTime.wDay; }
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INT QueryDayOfWeek() const
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{ return _sysTime.wDayOfWeek; }
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};
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#endif // _CTIME_HXX_
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