System.DateTimeParse.ProcessHebrewTerminalState C# (CSharp) Method

        internal static Boolean ProcessHebrewTerminalState(DS dps, ref DateTimeResult result, ref DateTimeRawInfo raw, DateTimeFormatInfo dtfi) {
            // The following are accepted terminal state for Hebrew date.
            switch (dps) {
                case DS.DX_MNN:
                    // Deal with the default long/short date format when the year number is ambigous (i.e. year < 100).
                    raw.year = raw.GetNumber(1);
                    if (!dtfi.YearMonthAdjustment(ref raw.year, ref raw.month, true)) {
                        result.SetFailure(ParseFailureKind.FormatBadDateTimeCalendar, "Format_BadDateTimeCalendar", null);
                        return false;
                    }
                    if (!GetDayOfMNN(ref result, ref raw, dtfi)) {
                        return false;
                    }
                    break;
                case DS.DX_YMN:
                    // Deal with the default long/short date format when the year number is NOT ambigous (i.e. year >= 100).
                    if (!dtfi.YearMonthAdjustment(ref raw.year, ref raw.month, true)) {
                        result.SetFailure(ParseFailureKind.FormatBadDateTimeCalendar, "Format_BadDateTimeCalendar", null);
                        return false;
                    }
                    if (!GetDayOfYMN(ref result, ref raw, dtfi)) {
                        return false;
                    }
                    break;
                case DS.DX_NM:
                    // Deal with Month/Day pattern.
                    result.Year = dtfi.Calendar.GetYear(DateTime.Now);
                    if (!dtfi.YearMonthAdjustment(ref result.Year, ref raw.month, true)) {
                        result.SetFailure(ParseFailureKind.FormatBadDateTimeCalendar, "Format_BadDateTimeCalendar", null);
                        return false;
                    }
                    if (!GetHebrewDayOfNM(ref result, ref raw, dtfi)) {
                        return false;
                    }
                    break;
                case DS.DX_YM:
                    // Deal with Year/Month pattern.
                    if (!dtfi.YearMonthAdjustment(ref raw.year, ref raw.month, true)) {
                        result.SetFailure(ParseFailureKind.FormatBadDateTimeCalendar, "Format_BadDateTimeCalendar", null);
                        return false;
                    }
                    if (!GetDayOfYM(ref result, ref raw, dtfi)) {
                        return false;
                    }
                    break;
                case DS.TX_N:
                    // Deal hour + AM/PM
                    if (!GetTimeOfN(dtfi, ref result, ref raw)) {
                        return false;
                    }
                    break;
                case DS.TX_NN:
                    if (!GetTimeOfNN(dtfi, ref result, ref raw)) {
                        return false;
                    }
                    break;
                case DS.TX_NNN:
                    if (!GetTimeOfNNN(dtfi, ref result, ref raw)) {
                        return false;
                    }
                    break;
                default:
                    result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
                    return false;

            }
            if (dps > DS.ERROR)
            {
                //
                // We have reached a terminal state. Reset the raw num count.
                //
                raw.numCount = 0;
            }
            return true;
        }