public static bool IsInvalidMonthYear44()

in FixAntenna/NetCore/Message/FixTypes.cs [1139:1188]

46 lines of code
13 McCabe index (conditional complexity)


		public static bool IsInvalidMonthYear44(byte[] buffer, int offset, int count)
		{
			try
			{
				if (count != 6 && count != 8)
				{
					return true;
				}

				var year = ParseNumberPart(buffer, offset, offset + 4);
				if (year < 1582)
				{
					return true;
				}

				var month = ParseNumberPart(buffer, offset + 4, offset + 6) - 1;
				if (month < 0 || month > 11)
				{
					return true;
				}

				if (count == 8)
				{
					if (buffer[offset + 6] == (byte)'w')
					{
						var week = buffer[offset + 7] - '0';
						if (week < 1 || week > 5)
						{
							return true;
						}
					}
					else
					{
						var date = ParseNumberPart(buffer, offset + 6, offset + 8);
						if (date < 1 || date > (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)
							? LeapMonthLength[month]
							: MonthLength[month]))
						{
							return true;
						}
					}
				}
			}
			catch (Exception)
			{
				return true;
			}

			return false;
		}