public static TimeSpan?ParseTime(string val)
{
if (String.IsNullOrWhiteSpace(val))
{
return(null);
}
string[] v = val.Split(StringEx.WhiteSpaceSplit, StringSplitOptions.RemoveEmptyEntries);
double n = 0;
bool nok = v.Length == 2 && NumberEx.TryFromServer(v[0], out n, 0.0);
int span = (int)Math.Floor(n);
DateTimeOffset now = DateTimeOffset.Now;
string ts = v[v.Length - 1].ToLower();
switch (ts)
{
case "past": case "min": return(TimeSpan.MinValue);
case "future": case "max": return(TimeSpan.MaxValue);
case "now":
case "zero":
case "0": return(TimeSpan.Zero);
case "millisecond":
case "milliseconds": return(new TimeSpan(0, 0, 0, 0, span));
case "second":
case "seconds": return(new TimeSpan(0, 0, span));
case "minute":
case "minutes": return(new TimeSpan(0, span, 0));
case "hour":
case "hours": return(new TimeSpan(span, 0, 0));
case "day":
case "days": return(new TimeSpan(span, 0, 0, 0));
case "week":
case "weeks": return(new TimeSpan(span * 7, 0, 0, 0));
case "month":
case "months": return(new TimeSpan((span * 30) + (int)Math.Floor(span * 10.5 / 24.0), (int)Math.Floor((span * 10.5) % 24.0), (int)Math.Floor((((span * 10.5) % 24.0) % 1) * 60), 0)); // 30 days, 10.5 hours per month = 365.25 days
case "year":
case "years": return(new TimeSpan((span * 365) + (int)Math.Floor(span / 4.0), (int)Math.Floor((span % 4.0) * 6), 0, 0)); // 365.25 days in a year factoring in leap year
default:
if (String.Compare(StringEx.Localize("past"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "past";
}
if (String.Compare(StringEx.Localize("min"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "min";
}
if (String.Compare(StringEx.Localize("future"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "future";
}
if (String.Compare(StringEx.Localize("max"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "max";
}
if (String.Compare(StringEx.Localize("now"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "now";
}
if (String.Compare(StringEx.Localize("zero"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "zero";
}
if (String.Compare(StringEx.Localize("millisecond"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "millisecond";
}
if (String.Compare(StringEx.Localize("milliseconds"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "milliseconds";
}
if (String.Compare(StringEx.Localize("minute"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "minute";
}
if (String.Compare(StringEx.Localize("hour"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "hour";
}
if (String.Compare(StringEx.Localize("day"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "day";
}
if (String.Compare(StringEx.Localize("week"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "week";
}
if (String.Compare(StringEx.Localize("weeks"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "weeks";
}
if (String.Compare(StringEx.Localize("month"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "month";
}
if (String.Compare(StringEx.Localize("months"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "months";
}
if (String.Compare(StringEx.Localize("year"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "year";
}
if (String.Compare(StringEx.Localize("years"), ts, StringComparison.OrdinalIgnoreCase) == 0)
{
goto case "years";
}
return(null);
}
}
public static string ToTimeString(this TimeSpan ts)
{
if (ts <= TimeSpan.MinValue)
{
return(StringEx.Localize("min"));
}
if (ts >= TimeSpan.MaxValue)
{
return(StringEx.Localize("max"));
}
if (ts == TimeSpan.Zero)
{
return(StringEx.Localize("zero"));
}
double years = ts.TotalDays / c_daysinyear;
int i = (int)Math.Floor(years);
if (years == i)
{
return(String.Concat(i, ' ', (Math.Abs(i) > 1) ? StringEx.Localize("years") : StringEx.Localize("year")));
}
double months = ts.TotalDays / c_daysinmonth;
i = (int)Math.Floor(months);
if (months == i)
{
return(String.Concat(i, ' ', (Math.Abs(i) > 1) ? StringEx.Localize("months") : StringEx.Localize("month")));
}
double weeks = ts.TotalDays / 7;
i = (int)Math.Floor(weeks);
if (weeks == i)
{
return(String.Concat(i, ' ', (Math.Abs(i) > 1) ? StringEx.Localize("weeks") : StringEx.Localize("week")));
}
i = (int)Math.Floor(ts.TotalDays);
if (ts.TotalDays == i)
{
return(String.Concat(i, ' ', (Math.Abs(i) > 1) ? StringEx.Localize("days") : StringEx.Localize("day")));
}
i = (int)Math.Floor(ts.TotalHours);
if (ts.TotalHours == i)
{
return(String.Concat(i, ' ', (Math.Abs(i) > 1) ? StringEx.Localize("hours") : StringEx.Localize("hour")));
}
i = (int)Math.Floor(ts.TotalMinutes);
if (ts.TotalMinutes == i)
{
return(String.Concat(i, ' ', (Math.Abs(i) > 1) ? StringEx.Localize("minutes") : StringEx.Localize("minute")));
}
i = (int)Math.Floor(ts.TotalSeconds);
if (ts.TotalSeconds == i)
{
return(String.Concat(i, ' ', (Math.Abs(i) > 1) ? StringEx.Localize("seconds") : StringEx.Localize("second")));
}
i = (int)Math.Floor(ts.TotalMilliseconds);
return(String.Concat(i, ' ', (Math.Abs(i) > 1) ? StringEx.Localize("milliseconds") : StringEx.Localize("millisecond")));
}
/// <summary>
/// IXmlSerializable implementation to export the key as a numeric string content
/// </summary>
public void ReadXml(XmlReader reader)
{
reader.MoveToContent(); Str = StringEx.UserText(reader.ReadElementContentAsString());
}
