LibCSV.CSVReader.ReadLine C# (CSharp) Method

        public virtual String ReadLine()
        {
            StringBuilder sb = new StringBuilder();
            bool inQuotes = false;
            while (true)
            {
                int ch = _reader.Read();
                if (ch == -1) break;
                if (ch == _dialect.Quote) inQuotes = !inQuotes;
                if (!inQuotes && (ch == '\r' || ch == '\n'))
                {
                    if (ch == '\r' && _reader.Peek() == '\n') _reader.Read();
                    return sb.ToString();
                }
                sb.Append((char)ch);
            }
            if (sb.Length > 0) return sb.ToString();
            return null;
        }