Azavea.NijPredictivePolicing.ACSAlchemist.ImportJob.FindDelimAfterWhitespace C# (CSharp) Method

        public int FindDelimAfterWhitespace(string str, int idx, params char[] delims)
        {
            List<int> indices = new List<int>(delims.Length);
            foreach (char d in delims)
            {
                int next = str.IndexOf(d, idx);
                if (next < 0)
                    continue;

                //if we find a delim, make sure it is prefixed by whitespace
                if (next > 0)
                {
                    //if this one isn't prefixed by whitespace, check the next one
                    bool done = char.IsWhiteSpace(str[next - 1]);
                    while (!done)
                    {
                        next = str.IndexOf(d, next + 1);
                        done = (next == -1) || char.IsWhiteSpace(str[next - 1]);
                    }

                    //didn't find a better one
                    if (next < 0)
                        continue;

                    //did find it
                }

                indices.Add(next);
            }
            return (indices.Count > 0) ? indices.Min() : -1;
        }