System.util.StringTokenizer.CountTokens C# (CSharp) Method

        public int CountTokens()
        {
            int count = 0;
            int delimiterCount = 0;
            bool tokenFound = false;
            int tmpPos = pos;

            while (tmpPos < len) {
                if (delim.IndexOf(str[tmpPos++]) >= 0) {
                    if (tokenFound) {
                        count++;
                        tokenFound = false;
                    }
                    delimiterCount++;
                }
                else {
                    tokenFound = true;
                    while (tmpPos < len
                        && delim.IndexOf(str[tmpPos]) < 0)
                        ++tmpPos;
                }
            }
            if (tokenFound)
                count++;
            return retDelims ? count + delimiterCount : count;
        }