static public bool TryParse(string s, ExpressionSectionType type, out IgnoreExpressionSection result)
{
result = default(IgnoreExpressionSection);
if (string.IsNullOrEmpty(s)) return false;
if (!string.Equals("?", s, StringComparison.OrdinalIgnoreCase)) return false;
switch (type)
{
case ExpressionSectionType.DayOfMonth:
result = _dayOfMonthInstance;
break;
case ExpressionSectionType.DayOfWeek:
result = _dayOfWeekInstance;
break;
case ExpressionSectionType.Hour:
result = _hourInstance;
break;
case ExpressionSectionType.Minute:
result = _minuteInstance;
break;
case ExpressionSectionType.Month:
result = _monthInstance;
break;
default:
throw new InvalidOperationException(string.Format("Unexpected {0} {1}",
typeof(ExpressionSectionType).Name,
type));
}
return true;
}
static public bool TryParse(string s, ExpressionSectionType type, out IgnoreExpressionSection result)
{
result = default(IgnoreExpressionSection);
if (string.IsNullOrEmpty(s))
{
return(false);
}
if (!string.Equals("?", s, StringComparison.OrdinalIgnoreCase))
{
return(false);
}
switch (type)
{
case ExpressionSectionType.DayOfMonth:
result = _dayOfMonthInstance;
break;
case ExpressionSectionType.DayOfWeek:
result = _dayOfWeekInstance;
break;
case ExpressionSectionType.Hour:
result = _hourInstance;
break;
case ExpressionSectionType.Minute:
result = _minuteInstance;
break;
case ExpressionSectionType.Month:
result = _monthInstance;
break;
default:
throw new InvalidOperationException(string.Format("Unexpected {0} {1}",
typeof(ExpressionSectionType).Name,
type));
}
return(true);
}
static public bool TryParse(string s, ExpressionSectionType type, out ExpressionSectionBase result)
{
result = default(ExpressionSectionBase);
if (string.IsNullOrEmpty(s))
{
return(false);
}
EveryOccurenceExpressionSection every;
if (EveryOccurenceExpressionSection.TryParse(s, type, out every))
{
result = every;
return(true);
}
IgnoreExpressionSection ignore;
if (IgnoreExpressionSection.TryParse(s, type, out ignore))
{
if (type != ExpressionSectionType.DayOfMonth && type != ExpressionSectionType.DayOfWeek)
{
return(false);
}
result = ignore;
return(true);
}
RangeExpressionSection range;
if (RangeExpressionSection.TryParse(s, type, out range))
{
result = range;
return(true);
}
RepeatingExpressionSection repeating;
if (RepeatingExpressionSection.TryParse(s, type, out repeating))
{
result = repeating;
return(true);
}
ListExpressionSection list;
if (ListExpressionSection.TryParse(s, type, out list))
{
result = list;
return(true);
}
switch (type)
{
case ExpressionSectionType.Month:
MonthExpressionSection month;
if (!MonthExpressionSection.TryParse(s, out month))
{
return(false);
}
result = month;
return(true);
case ExpressionSectionType.DayOfWeek:
DayOfWeekExpressionSection dayOfWeek;
if (DayOfWeekExpressionSection.TryParse(s, out dayOfWeek))
{
result = dayOfWeek;
return(true);
}
SpecifiedWeekAndWeekDayExpressionSection specifiedDayAndWeekDay;
if (SpecifiedWeekAndWeekDayExpressionSection.TryParse(s, out specifiedDayAndWeekDay))
{
result = specifiedDayAndWeekDay;
return(true);
}
goto default;
case ExpressionSectionType.DayOfMonth:
LastDayOfMonthExpressionSection lastDayOfMonth;
if (LastDayOfMonthExpressionSection.TryParse(s, out lastDayOfMonth))
{
result = lastDayOfMonth;
return(true);
}
NearestWeekdayExpressionSection nearestWeekDay;
if (NearestWeekdayExpressionSection.TryParse(s, out nearestWeekDay))
{
result = nearestWeekDay;
return(true);
}
LastWeekDayOfMonthExpressionSection lastWeekDay;
if (LastWeekDayOfMonthExpressionSection.TryParse(s, out lastWeekDay))
{
result = lastWeekDay;
return(true);
}
goto default;
default:
SimpleExpressionSection simple;
if (!SimpleExpressionSection.TryParse(s, type, out simple))
{
return(false);
}
result = simple;
return(true);
}
}
