private static ITag ScanDayNames(Token token, Options options)
{
ITag tag = null;
DayPatterns.ForEach(item =>
{
if (item.Pattern.IsMatch(token.Value))
{
tag = new RepeaterDayName(item.Day);
}
});
return(tag);
}
protected override Span CurrentSpan(Pointer.Type pointer)
{
Span thisWeekSpan;
DateTime thisWeekStart;
DateTime thisWeekEnd;
var now = Now.Value;
if (pointer == Pointer.Type.Future)
{
thisWeekStart = Time.New(now, now.Hour).AddHours(1);
var sundayRepeater = new RepeaterDayName(GetStartOfWeek());
sundayRepeater.Now = now;
var thisSundaySpan = sundayRepeater.GetCurrentSpan(Pointer.Type.Future);
thisWeekEnd = thisSundaySpan.Start.Value;
thisWeekSpan = new Span(thisWeekStart, thisWeekEnd);
}
else if (pointer == Pointer.Type.Past)
{
thisWeekEnd = now;
var sundayRepeater = new RepeaterDayName(GetStartOfWeek());
sundayRepeater.Now = now;
var lastSundaySpan = sundayRepeater.GetNextSpan(Pointer.Type.Past);
thisWeekStart = lastSundaySpan.Start.Value;
thisWeekSpan = new Span(thisWeekStart, thisWeekEnd);
}
else if (pointer == Pointer.Type.None)
{
var sundayRepeater = new RepeaterDayName(GetStartOfWeek());
sundayRepeater.Now = now;
var lastSundaySpan = sundayRepeater.GetNextSpan(Pointer.Type.Past);
thisWeekStart = lastSundaySpan.Start.Value;
thisWeekEnd = thisWeekStart.AddDays(WEEK_DAYS);
thisWeekSpan = new Span(thisWeekStart, thisWeekEnd);
}
else
{
throw new ArgumentException("Unable to handle pointer " + pointer + ".", "pointer");
}
return(thisWeekSpan);
}
protected override Span NextSpan(Pointer.Type pointer)
{
if (_start == null)
{
if (pointer == Pointer.Type.Future)
{
var sundayRepeater = new RepeaterDayName(GetStartOfWeek());
sundayRepeater.Now = Now;
var nextSundaySpan = sundayRepeater
.GetNextSpan(Pointer.Type.Future);
_start = nextSundaySpan.Start.Value;
}
else if (pointer == Pointer.Type.Past)
{
var sundayRepeater = new RepeaterDayName(GetStartOfWeek());
sundayRepeater.Now = Now.Value.AddDays(1);
sundayRepeater.GetNextSpan(Pointer.Type.Past);
var lastSundaySpan = sundayRepeater
.GetNextSpan(Pointer.Type.Past);
_start = lastSundaySpan.Start.Value;
}
else
{
throw new ArgumentException(
"Unable to handle pointer " + pointer + ".",
"pointer");
}
}
else
{
var direction = pointer == Pointer.Type.Future ? 1 : -1;
_start.Value.AddDays(WEEK_DAYS * direction);
}
return(new Span(_start.Value, _start.Value.AddDays(WEEK_DAYS)));
}