Raven.Client.Spatial.WktReader.ParseOptionalOrdinates C# (CSharp) Method

        private List<double> ParseOptionalOrdinates(WktTokenQueue tokens)
        {
            var attempt = true;
            var doubles = new List<double>();

            while (attempt)
            {
                if (tokens.NextTokenIs(WktTokenType.Number))
                {
                    var token = tokens.Dequeue(WktTokenType.Number);
                    doubles.Add(double.Parse(token.Value, CultureInfo.InvariantCulture));
                }
                else if (tokens.NextTokenIs(double.NaN.ToString(CultureInfo.InvariantCulture)))
                {
                    //TODO: Review this
                    tokens.Dequeue(WktTokenType.String);
                    doubles.Add(double.NaN);
                }
                else
                {
                    attempt = false;
                }
            }
            return doubles;
        }