CNCGUI.ScanFormatted.ParseDecimal C# (CSharp) Method

        private bool ParseDecimal(TextParser input, FormatSpecifier spec)
        {
            int radix = 10;

            // Skip any whitespace
            input.MovePastWhitespace();

            // Parse leading sign
            int start = input.Position;
            if (input.Peek() == '+' || input.Peek() == '-')
            {
                input.MoveAhead();
            }
            else if (input.Peek() == '0')
            {
                if (Char.ToLower(input.Peek(1)) == 'x')
                {
                    radix = 16;
                    input.MoveAhead(2);
                }
                else
                {
                    radix = 8;
                    input.MoveAhead();
                }
            }

            // Parse digits
            while (IsValidDigit(input.Peek(), radix))
                input.MoveAhead();

            // Don't exceed field width
            if (spec.Width > 0)
            {
                int count = input.Position - start;
                if (spec.Width < count)
                    input.MoveAhead(spec.Width - count);
            }

            // Extract token
            if (input.Position > start)
            {
                if (!spec.NoResult)
                {
                    if (spec.Type == Types.Decimal)
                        AddSigned(input.Extract(start, input.Position), spec.Modifier, radix);
                    else
                        AddUnsigned(input.Extract(start, input.Position), spec.Modifier, radix);
                }
                return true;
            }
            return false;
        }