private static void HandleDayOfMonth(PatternCursor pattern, SteppedPatternBuilder <AnnualDate, AnnualDateParseBucket> builder) { int count = pattern.GetRepeatCount(2); PatternFields field; switch (count) { case 1: case 2: field = PatternFields.DayOfMonth; // Handle real maximum value in the bucket builder.AddParseValueAction(count, 2, pattern.Current, 1, 99, (bucket, value) => bucket.DayOfMonth = value); builder.AddFormatLeftPad(count, value => value.Day, assumeNonNegative: true, assumeFitsInCount: count == 2); break; default: throw new InvalidOperationException("Invalid count!"); } builder.AddField(field, pattern.Current); }