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77 lines
2.5 KiB
77 lines
2.5 KiB
#ifndef _RAR_TIMEFN_
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#define _RAR_TIMEFN_
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struct RarLocalTime
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{
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uint Year;
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uint Month;
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uint Day;
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uint Hour;
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uint Minute;
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uint Second;
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uint Reminder; // Part of time smaller than 1 second, represented in 1/REMINDER_PRECISION intervals.
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uint wDay;
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uint yDay;
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};
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class RarTime
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{
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private:
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static const uint TICKS_PER_SECOND = 1000000000; // Internal precision.
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// Internal time representation in 1/TICKS_PER_SECOND since 01.01.1601.
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// We use nanoseconds here to handle the high precision Unix time.
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// It allows dates up to July 2185.
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//
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// If we'll ever need to extend the date range, we can define a lower
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// precision Windows version of TICKS_PER_SECOND. But then Unix and Windows
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// versions can differ in least significant digits of "lt" time output
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// for Unix archives.
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// Alternatively we can introduce 'bool HighPrecision' set to true
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// in SetUnixNS() and TicksPerSecond() instead of constant above.
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// It might be more reliable than defining TicksPerSecond variable,
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// which wouldn't survive memset of any structure hosting RarTime.
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// We would need to eliminate all such memsets in the entire code first.
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uint64 itime;
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public:
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// RarLocalTime::Reminder precision. Must be equal to TICKS_PER_SECOND.
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// Unlike TICKS_PER_SECOND, it is a public field.
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static const uint REMINDER_PRECISION = TICKS_PER_SECOND;
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public:
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RarTime() {Reset();}
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bool operator == (RarTime &rt) {return itime==rt.itime;}
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bool operator != (RarTime &rt) {return itime!=rt.itime;}
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bool operator < (RarTime &rt) {return itime<rt.itime;}
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bool operator <= (RarTime &rt) {return itime<rt.itime || itime==rt.itime;}
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bool operator > (RarTime &rt) {return itime>rt.itime;}
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bool operator >= (RarTime &rt) {return itime>rt.itime || itime==rt.itime;}
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void GetLocal(RarLocalTime *lt);
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void SetLocal(RarLocalTime *lt);
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#ifdef _WIN_ALL
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void GetWinFT(FILETIME *ft);
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void SetWinFT(FILETIME *ft);
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#endif
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uint64 GetWin();
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void SetWin(uint64 WinTime);
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time_t GetUnix();
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void SetUnix(time_t ut);
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uint64 GetUnixNS();
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void SetUnixNS(uint64 ns);
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uint GetDos();
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void SetDos(uint DosTime);
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void GetText(wchar *DateStr,size_t MaxSize,bool FullMS);
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void SetIsoText(const wchar *TimeText);
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void SetAgeText(const wchar *TimeText);
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void SetCurrentTime();
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void Reset() {itime=0;}
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bool IsSet() {return itime!=0;}
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void Adjust(int64 ns);
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};
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const wchar *GetMonthName(int Month);
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bool IsLeapYear(int Year);
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#endif
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