CNCGUI.ScanFormatted.ParseFloat C# (CSharp) Метод

        private bool ParseFloat(TextParser input, FormatSpecifier spec)
        {
            // Skip any whitespace
            input.MovePastWhitespace();

            // Parse leading sign
            int start = input.Position;
            if (input.Peek() == '+' || input.Peek() == '-')
                input.MoveAhead();

            // Parse digits
            bool hasPoint = false;
            while (Char.IsDigit(input.Peek()) || input.Peek() == '.')
            {
                if (input.Peek() == '.')
                {
                    if (hasPoint)
                        break;
                    hasPoint = true;
                }
                input.MoveAhead();
            }

            // Parse exponential notation
            if (Char.ToLower(input.Peek()) == 'e')
            {
                input.MoveAhead();
                if (input.Peek() == '+' || input.Peek() == '-')
                    input.MoveAhead();
                while (Char.IsDigit(input.Peek()))
                    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);
            }

            // Because we parse the exponential notation before we apply
            // any field-width constraint, it becomes awkward to verify
            // we have a valid floating point token. To prevent an
            // exception, we use TryParse() here instead of Parse().
            double result;

            // Extract token
            if (input.Position > start
            &&	double.TryParse(input.Extract(start, input.Position), NumberStyles.Float, CultureInfo.InvariantCulture, out result)
                )
            {
                if (!spec.NoResult)
                {
                    if (spec.Modifier == Modifiers.Long ||
                        spec.Modifier == Modifiers.LongLong)
                        Results.Add(result);
                    else
                        Results.Add((float)result);
                }
                return true;
            }
            return false;
        }