private void ParseMeridianAndSetHour( ClockToken[] dt, ref System.Int32 parsePos, TclDateTime calendar, int hour ) // hour value (1-12 or 0-23) to set. { int pos = parsePos; int hourField; if ( pos < dt.Length && dt[pos].is_Renamed( ClockToken.MERIDIAN ) ) { // SupportClass.CalendarManager.manager.Set(calendar, SupportClass.CalendarManager.AM_PM, dt[pos].Int); parsePos = pos + 1; hourField = SupportClass.CalendarManager.HOUR; } else { hourField = SupportClass.CalendarManager.HOUR_OF_DAY; } if ( hourField == SupportClass.CalendarManager.HOUR && hour == 12 ) { hour = 0; } calendar.hour = hour; }
private bool ParseIso( ClockToken[] dt, ref System.Int32 parsePos, TclDateTime calendar ) // calendar object to set { int pos = parsePos; if ( pos + 6 < dt.Length && dt[pos].IsoBase && dt[pos + 1].is_Renamed( ClockToken.ZONE ) && dt[pos + 2].UNumber && dt[pos + 3].is_Renamed( ':' ) && dt[pos + 4].UNumber && dt[pos + 5].is_Renamed( ':' ) && dt[pos + 6].UNumber ) { calendar.day = dt[pos].Int % 100; calendar.month = ( dt[pos].Int % 10000 ) / 100; calendar.year = dt[pos].Int / 10000; calendar.hour = dt[pos + 2].Int; calendar.minute = dt[pos + 4].Int; calendar.second = dt[pos + 6].Int; parsePos = pos + 7; return true; } if ( pos + 2 < dt.Length && dt[pos].IsoBase && dt[pos + 1].is_Renamed( ClockToken.ZONE ) && dt[pos + 1].Zone.GetUtcOffset( calendar.dateTime ).Hours == ( -7 ) * MILLIS_PER_HOUR && dt[pos + 2].IsoBase ) { calendar.day = dt[pos].Int % 100; calendar.month = ( dt[pos].Int % 10000 ) / 100; calendar.year = dt[pos].Int / 10000; calendar.hour = dt[pos + 2].Int / 10000; calendar.minute = ( dt[pos + 2].Int % 10000 ) / 100; calendar.second = dt[pos + 2].Int % 100; parsePos = pos + 3; return true; } if ( pos + 1 < dt.Length && dt[pos].IsoBase && dt[pos + 1].IsoBase ) { calendar.day = dt[pos].Int % 100; calendar.month = ( dt[pos].Int % 10000 ) / 100; calendar.year = dt[pos].Int / 10000; calendar.hour = dt[pos + 1].Int / 10000; calendar.minute = ( dt[pos + 1].Int % 10000 ) / 100; calendar.second = dt[pos + 1].Int % 100; parsePos = pos + 2; return true; } return false; }
private bool ParseTrek( ClockToken[] dt, ref System.Int32 parsePos, TclDateTime calendar ) // calendar object to set { int pos = parsePos; if ( pos + 3 < dt.Length && dt[pos].is_Renamed( ClockToken.STARDATE ) && dt[pos + 1].UNumber && dt[pos + 2].is_Renamed( '.' ) && dt[pos + 3].UNumber ) { GregorianCalendar gcal = new GregorianCalendar(); int trekYear = dt[pos + 1].Int / 1000 + 2323 - 377; int trekDay = 1 + ( ( dt[pos + 1].Int % 1000 ) * ( gcal.IsLeapYear( trekYear ) ? 366 : 365 ) ) / 1000; int trekSeconds = dt[pos + 3].Int * 144 * 60; calendar.year = trekYear; calendar.dateTime = gcal.AddDays( calendar.dateTime, trekDay ); calendar.second = trekSeconds; parsePos = pos + 4; return true; } return false; }
private bool ParseDate( ClockToken[] dt, ref System.Int32 parsePos, TclDateTime calendar ) // calendar object to set { int pos = parsePos; if ( pos + 4 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( '/' ) && dt[pos + 2].UNumber && dt[pos + 3].is_Renamed( '/' ) && dt[pos + 4].UNumber ) { calendar.day = dt[pos + 2].Int; calendar.month = dt[pos].Int; calendar.year = dt[pos + 4].Int; parsePos = pos + 5; return true; } if ( pos + 4 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( '-' ) && dt[pos + 2].is_Renamed( ClockToken.MONTH ) && dt[pos + 3].is_Renamed( '-' ) && dt[pos + 4].UNumber ) { calendar.year = dt[pos + 4].Int; calendar.month = dt[pos + 2].Int; calendar.day = dt[pos].Int; parsePos = pos + 5; return true; } if ( pos + 4 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( '-' ) && dt[pos + 2].UNumber && dt[pos + 3].is_Renamed( '-' ) && dt[pos + 4].UNumber ) { calendar.year = dt[pos].Int; calendar.month = dt[pos + 2].Int; calendar.day = dt[pos + 4].Int; parsePos = pos + 5; return true; } if ( pos + 3 < dt.Length && dt[pos].is_Renamed( ClockToken.MONTH ) && dt[pos + 1].UNumber && dt[pos + 2].is_Renamed( ',' ) && dt[pos + 3].UNumber ) { calendar.day = dt[pos + 1].Int; calendar.month = dt[pos].Int; calendar.year = dt[pos + 3].Int; parsePos = pos + 4; return true; } if ( pos + 2 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( '/' ) && dt[pos + 2].UNumber ) { calendar.day = dt[pos + 2].Int; calendar.month = dt[pos].Int; parsePos = pos + 3; return true; } if ( pos + 2 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( ClockToken.MONTH ) && dt[pos + 2].UNumber ) { calendar.day = dt[pos].Int; calendar.month = dt[pos + 1].Int; calendar.year = dt[pos + 2].Int; parsePos = pos + 3; return true; } if ( pos + 1 < dt.Length && dt[pos].is_Renamed( ClockToken.MONTH ) && dt[pos + 1].UNumber ) { calendar.day = dt[pos + 1].Int; calendar.month = dt[pos].Int; parsePos = pos + 2; return true; } if ( pos + 1 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( ClockToken.MONTH ) ) { calendar.day = dt[pos].Int; calendar.month = dt[pos + 1].Int; parsePos = pos + 2; return true; } if ( pos < dt.Length && dt[pos].IsoBase ) { calendar.day = dt[pos].Int % 100; calendar.month = ( dt[pos].Int % 10000 ) / 100; calendar.year = dt[pos].Int / 10000; parsePos = pos + 1; return true; } if ( pos < dt.Length && dt[pos].is_Renamed( ClockToken.EPOCH ) ) { calendar.day = 1; calendar.month = 0; calendar.year = EPOCH_YEAR; parsePos = pos + 1; return true; } return false; }
private bool ParseNumber( ClockToken[] dt, ref System.Int32 parsePos, TclDateTime calendar, bool mayBeYear ) // number is considered to be year? { int pos = parsePos; if ( pos < dt.Length && dt[pos].UNumber ) { parsePos = pos + 1; if ( mayBeYear ) { calendar.year = dt[pos].Int; } else { calendar.hour = dt[pos].Int / 100; calendar.minute = dt[pos].Int % 100; calendar.second = 0; } return true; } return false; }
private bool ParseZone( ClockToken[] dt, ref System.Int32 parsePos, TclDateTime calendar ) // calendar object to set { int pos = parsePos; if ( pos + 1 < dt.Length && dt[pos].is_Renamed( ClockToken.ZONE ) && dt[pos + 1].is_Renamed( ClockToken.DST ) ) { // calendar.setTimeZone(dt[pos].Zone); parsePos = pos + 2; return true; } if ( pos < dt.Length && dt[pos].is_Renamed( ClockToken.ZONE ) ) { // calendar.setTimeZone(dt[pos].Zone); parsePos = pos + 1; return true; } if ( pos < dt.Length && dt[pos].is_Renamed( ClockToken.DAYZONE ) ) { // calendar.setTimeZone(dt[pos].Zone); parsePos = pos + 1; return true; } return false; }
private bool ParseTime( ClockToken[] dt, ref System.Int32 parsePos, TclDateTime calendar ) // calendar object to set { int pos = parsePos; if ( pos + 6 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( ':' ) && dt[pos + 2].UNumber && dt[pos + 3].is_Renamed( ':' ) && dt[pos + 4].UNumber && dt[pos + 5].is_Renamed( '-' ) && dt[pos + 6].UNumber ) { ClockToken zone = GetTimeZoneFromRawOffset( ( -dt[pos + 6].Int ) / 100 ); if ( zone != null ) { calendar.hour = dt[pos].Int; calendar.minute = dt[pos + 2].Int; calendar.second = dt[pos + 4].Int; // TODO // calendar.setTimeZone(zone.Zone); parsePos = pos + 7; return true; } } if ( pos + 4 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( ':' ) && dt[pos + 2].UNumber && dt[pos + 3].is_Renamed( ':' ) && dt[pos + 4].UNumber ) { parsePos = pos + 5; ParseMeridianAndSetHour( dt, ref parsePos, calendar, dt[pos].Int ); calendar.minute = dt[pos + 2].Int; calendar.second = dt[pos + 4].Int; return true; } if ( pos + 4 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( ':' ) && dt[pos + 2].UNumber && dt[pos + 3].is_Renamed( '-' ) && dt[pos + 4].UNumber ) { ClockToken zone = GetTimeZoneFromRawOffset( ( -dt[pos + 4].Int ) / 100 ); if ( zone != null ) { calendar.hour = dt[pos].Int; calendar.minute = dt[pos + 2].Int; // calendar.setTimeZone(zone.Zone); parsePos = pos + 5; return true; } } if ( pos + 2 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( ':' ) && dt[pos + 2].UNumber ) { parsePos = pos + 3; ParseMeridianAndSetHour( dt, ref parsePos, calendar, dt[pos].Int ); calendar.minute = dt[pos + 2].Int; return true; } if ( pos + 1 < dt.Length && dt[pos].UNumber && dt[pos + 1].is_Renamed( ClockToken.MERIDIAN ) ) { parsePos = pos + 1; ParseMeridianAndSetHour( dt, ref parsePos, calendar, dt[pos].Int ); return true; } return false; }
private System.DateTime GetDate( string dateString, System.DateTime baseDate, bool useGMT ) { if ( useGMT ) { baseDate = baseDate.ToUniversalTime(); } TclDateTime calendar = new TclDateTime(); calendar.dateTime = baseDate; calendar.hour = 0; calendar.minute = 0; calendar.second = 0; calendar.millisecond = 0; ClockToken[] dt = GetTokens( dateString, false ); System.Int32 parsePos = 0; ClockRelTimespan diff = new ClockRelTimespan(); int hasTime = 0; int hasZone = 0; int hasDate = 0; int hasDay = 0; int hasOrdMonth = 0; int hasRel = 0; while ( parsePos < dt.Length ) { if ( ParseTime( dt, ref parsePos, calendar ) ) { hasTime++; } else if ( ParseZone( dt, ref parsePos, calendar ) ) { hasZone++; } else if ( ParseIso( dt, ref parsePos, calendar ) ) { hasDate++; } else if ( ParseDate( dt, ref parsePos, calendar ) ) { hasDate++; } else if ( ParseDay( dt, ref parsePos, diff ) ) { hasDay++; } else if ( ParseOrdMonth( dt, ref parsePos, diff ) ) { hasOrdMonth++; } else if ( ParseRelSpec( dt, ref parsePos, diff ) ) { hasRel++; } else if ( ParseNumber( dt, ref parsePos, calendar, hasDate > 0 && hasTime > 0 && hasRel == 0 ) ) { if ( hasDate == 0 || hasTime == 0 || hasRel > 0 ) { hasTime++; } } else if ( ParseTrek( dt, ref parsePos, calendar ) ) { hasDate++; hasTime++; } else { goto failed; } } if ( hasTime > 1 || hasZone > 1 || hasDate > 1 || hasDay > 1 || hasOrdMonth > 1 ) { goto failed; } // The following line handles years that are specified using // only two digits. The line of code below implements a policy // defined by the X/Open workgroup on the millinium rollover. // Note: some of those dates may not actually be valid on some // platforms. The POSIX standard startes that the dates 70-99 // shall refer to 1970-1999 and 00-38 shall refer to 2000-2038. // This later definition should work on all platforms. int thisYear = calendar.year; if ( thisYear < 100 ) { if ( thisYear >= 69 ) { calendar.year = thisYear + 1900; } else { calendar.year = thisYear + 2000; } } if ( hasRel > 0 ) { if ( hasTime == 0 && hasDate == 0 && hasDay == 0 ) { calendar.dateTime = baseDate; } // Certain JDK implementations are buggy WRT DST. // Work around this issue by adding a day instead // of a days worth of seconds. int seconds_in_day = ( 60 * 60 * 24 ); int seconds = diff.Seconds; bool negative_seconds = ( seconds < 0 ); int days = 0; if ( negative_seconds ) seconds *= ( -1 ); while ( seconds >= seconds_in_day ) { seconds -= seconds_in_day; days++; } if ( negative_seconds ) { seconds *= ( -1 ); days *= ( -1 ); } if ( days != 0 ) { // calendar.add(SupportClass.CalendarManager.DATE, days); } if ( seconds != 0 ) { // calendar.add(SupportClass.CalendarManager.SECOND, seconds); } // calendar.add(SupportClass.CalendarManager.MONTH, diff.Months); } if ( hasDay > 0 && hasDate == 0 ) { SetWeekday( calendar, diff ); } if ( hasOrdMonth > 0 ) { SetOrdMonth( calendar, diff ); } try { return calendar.dateTime; } catch ( Exception ) { throw new FormatException(); } failed: throw new FormatException(); }
private void SetOrdMonth( TclDateTime calendar, ClockRelTimespan diff ) // time difference to evaluate { int month = diff.Months; int ordMonth = diff.OrdMonth; // calendar.add(SupportClass.CalendarManager.MONTH, 1); /* we want to get the next month... */ // while (SupportClass.CalendarManager.manager.Get(calendar, SupportClass.CalendarManager.MONTH) != month) // { // calendar.add(SupportClass.CalendarManager.MONTH, 1); // } // if (ordMonth > 1) // { // calendar.add(SupportClass.CalendarManager.YEAR, ordMonth - 1); // } calendar.day = 1; calendar.hour = 0; calendar.minute = 0; calendar.second = 0; }
private void SetWeekday( TclDateTime calendar, ClockRelTimespan diff ) // time difference to evaluate { int weekday = diff.getWeekday(); int dayOrdinal = diff.DayOrdinal; // ATK // while (SupportClass.CalendarManager.manager.Get(calendar, SupportClass.CalendarManager.DAY_OF_WEEK) != weekday) // { // // calendar.add(SupportClass.CalendarManager.DATE, 1); // } // if (dayOrdinal > 1) // { // // calendar.add(SupportClass.CalendarManager.DATE, 7 * (dayOrdinal - 1)); // } }