public static string Format(
this TimeSpan span,
DateTimeInterval includeIntervals,
byte maxDepth,
IStringLocalizer localizer = null)
{
string result = String.Empty;
var ticksRemainder = span.Ticks;
byte depth = 0;
foreach (Enum flag in includeIntervals.GetFlags(SortOrder.Descending))
{
var interval = (DateTimeInterval)flag;
if (depth < maxDepth)
{
var wholeIntervals = ticksRemainder.GetWholeInterval(interval, out ticksRemainder);
if (wholeIntervals > 0)
{
depth += 1;
var term = interval.GetAppropriateSingularOrPluralTerm(wholeIntervals, localizer);
result = result.AppendIfRequired(" ", string.Format("{0} {1}", wholeIntervals, term));
}
}
else
{
break;
}
}
return(result);
}
private static string Format(
DateTimeInterval interval,
long ticks,
out long ticksRemainder,
IStringLocalizer localizer)
{
if (interval.GetFlags().Count() > 1)
{
throw new ArgumentException(
string.Format("This function works with no more than one DateTimeInterval flag." +
"The parameter passed was {0}, which is {1} flags",
interval, interval.GetFlags().Count()),
nameof(interval));
}
var wholeIntervals = ticks.GetWholeInterval(interval, out ticksRemainder);
var term = interval.GetAppropriateSingularOrPluralTerm(wholeIntervals, localizer);
return(string.Format("{0} {1}", wholeIntervals, term));
}
internal static bool HasAllTheseIntervals(this long ticks,
DateTimeInterval intervals)
{
bool result = true;
foreach (Enum flag in intervals.GetFlags(SortOrder.Descending))
{
result &= ticks.HasInterval((DateTimeInterval)flag);
}
return(result);
}
