public static Altova.Types.DateTime DatetimeFromParts(int year, int month, int day, int hour, int minute, int second, decimal millisecond, int timezone)
{
Altova.Types.DateTime result = DatetimeAdd(new Altova.Types.DateTime(1, 1, 1), new Altova.Types.Duration(year - 1, month - 1, day - 1, hour, minute, second, (double)(millisecond * 0.001m), false)); // false means "not-negative"
if (timezone >= -1440 && timezone <= 1440)
{
result.TimezoneOffset = (short)timezone;
}
return(result);
}
public static int Weekday(Altova.Types.DateTime dt) // 1=sunday,... //{ return (int) dt.Value.DayOfWeek; }
{
long a = (14 - dt.Value.Month) / 12;
long m = dt.Value.Month + 12 * a - 3;
long y = dt.Value.Year + 4800 - a;
long JD = dt.Value.Day + (153 * m + 2) / 5 + y * 365 + y / 4 - y / 100 + y / 400 - 32045; // julian date
return((int)(JD % 7 + 1));
}
public static Altova.Types.DateTime DatetimeFromDateAndTime(Altova.Types.DateTime date, Altova.Types.DateTime time)
{
Altova.Types.DateTime ret = new Altova.Types.DateTime(date);
System.DateTime sysdt = ret.Value;
sysdt = sysdt.AddHours(-date.Value.Hour + time.Value.Hour);
sysdt = sysdt.AddMinutes(-date.Value.Minute + time.Value.Minute);
sysdt = sysdt.AddSeconds(-date.Value.Second + time.Value.Second);
sysdt = sysdt.AddMilliseconds(-date.Value.Millisecond + time.Value.Millisecond);
ret.Value = sysdt;
return(ret);
}
public static double DatetimeToXLSX(Altova.Types.DateTime o)
{
Altova.Types.DateTime dt = new Altova.Types.DateTime(o);
dt.TimezoneOffset = 0;
double result = TimeToXLSX(dt);
if (result >= 60)
{
result++;
}
return(++result);
}
public static int Weeknumber(Altova.Types.DateTime dt)
{
long a = (14 - dt.Value.Month) / 12;
long m = dt.Value.Month + 12 * a - 3;
long y = dt.Value.Year + 4800 - a;
long JD = dt.Value.Day + (153 * m + 2) / 5 + y * 365 + y / 4 - y / 100 + y / 400 - 32045;
long d4 = (JD + 31741 - (JD % 7)) % 146097 % 36524 % 1461;
long L = d4 / 1460;
long d1 = ((d4 - L) % 365) + L;
return((int)(d1 / 7 + 1));
}
public static Altova.Types.DateTime XLSXToDate(double o)
{
int days = (int)o;
Altova.Types.DateTime result = new Altova.Types.DateTime(1900, 1, 1);
days--;
if (days >= 60)
{
days--;
}
return(Lang.DatetimeAdd(new Altova.Types.DateTime(1900, 1, 1), new Altova.Types.Duration(0, 0, days, 0, 0, 0, 0.0, false)));
}
public static Altova.Types.Duration DatetimeDiff(Altova.Types.DateTime a, Altova.Types.DateTime b)
{
Altova.Types.Duration dur = new Altova.Types.Duration(a.Value.Ticks - b.Value.Ticks);
int timezoneOffset = 0;
if (a.HasTimezone)
{
timezoneOffset -= (int)a.TimezoneOffset;
}
if (b.HasTimezone)
{
timezoneOffset += (int)b.TimezoneOffset;
}
if (timezoneOffset != 0)
{
dur.Value = dur.Value.Add(new System.TimeSpan(0, timezoneOffset, 0));
}
return(dur);
}
public static int MonthFromDatetime(Altova.Types.DateTime dt)
{
return(dt.Value.Month);
}
public static bool Numeric(Altova.Types.DateTime dt)
{
return(false);
}
public static int Timezone(Altova.Types.DateTime dt)
{
return(dt.TimezoneOffset);
}
public static bool Leapyear(Altova.Types.DateTime dt)
{
int year = dt.Value.Year;
return((year % 4 == 0 && year % 100 != 0) || year % 400 == 0);
}
public override string Format(DateTime dt)
{
return dt.ToString(Altova.Types.DateTimeFormat.W3_time);
}
public static double TimeToXLSX(Altova.Types.DateTime o)
{
Altova.Types.Duration diff = Lang.DatetimeDiff(o, new Altova.Types.DateTime(1900, 1, 1));
return((double)diff.Value.TotalMilliseconds / 86400000.0);
}
public static bool EqualOrLess(Altova.Types.DateTime a, Altova.Types.DateTime b)
{
return(a <= b);
}
public static bool Less(Altova.Types.DateTime a, Altova.Types.DateTime b)
{
return(a < b);
}
public static string ToString(Altova.Types.DateTime dt)
{
return(Altova.CoreTypes.CastToString(dt));
}
public static Altova.Types.DateTime TimeFromDatetime(Altova.Types.DateTime dt)
{
return(DatetimeFromParts(1, 1, 1, dt.Value.Hour, dt.Value.Minute, dt.Value.Second, dt.Value.Millisecond, dt.TimezoneOffset));
}
public static Altova.Types.DateTime DateFromDatetime(Altova.Types.DateTime dt)
{
return(DatetimeFromParts(dt.Value.Year, dt.Value.Month, dt.Value.Day, 0, 0, 0, 0.0m, dt.TimezoneOffset));
}
public static Altova.Types.DateTime DatetimeAdd(Altova.Types.DateTime a, Altova.Types.Duration b)
{
Altova.Types.DateTime dt = new Altova.Types.DateTime(new System.DateTime(a.Value.AddMonths(b.Years * 12 + b.Months).Ticks + b.Value.Ticks));
dt.TimezoneOffset = a.TimezoneOffset;
return(dt);
}
public static bool Greater(Altova.Types.DateTime a, Altova.Types.DateTime b)
{
return(a > b);
}
public static int DayFromDatetime(Altova.Types.DateTime dt)
{
return(dt.Value.Day);
}
public static bool EqualOrGreater(Altova.Types.DateTime a, Altova.Types.DateTime b)
{
return(a >= b);
}
public static int HourFromDatetime(Altova.Types.DateTime dt)
{
return(dt.Value.Hour);
}
public static bool NotEqual(Altova.Types.DateTime a, Altova.Types.DateTime b)
{
return(a != b);
}
public static int MinuteFromDatetime(Altova.Types.DateTime dt)
{
return(dt.Value.Minute);
}
public static int SecondFromDatetime(Altova.Types.DateTime dt)
{
return(dt.Value.Second);
}
public static decimal MillisecondFromDatetime(Altova.Types.DateTime dt)
{
return((decimal)dt.Value.Millisecond);
}
public static double DateToXLSX(Altova.Types.DateTime o)
{
return(DatetimeToXLSX(o));
}
public virtual string Format(DateTime v)
{
return CoreTypes.CastToString(v);
}
