JiebaNet.Segmenter.JiebaSegmenter.CutDagWithoutHmm C# (CSharp) Method

        internal IEnumerable<string> CutDagWithoutHmm(string sentence)
        {
            var dag = GetDag(sentence);
            var route = Calc(sentence, dag);

            var words = new List<string>();

            var x = 0;
            string buf = string.Empty;
            var N = sentence.Length;

            var y = -1;
            while (x < N)
            {
                y = route[x].Key + 1;
                var l_word = sentence.Substring(x, y - x);
                if (RegexEnglishChars.IsMatch(l_word) && l_word.Length == 1)
                {
                    buf += l_word;
                    x = y;
                }
                else
                {
                    if (buf.Length > 0)
                    {
                        words.Add(buf);
                        buf = string.Empty;
                    }
                    words.Add(l_word);
                    x = y;
                }
            }

            if (buf.Length > 0)
            {
                words.Add(buf);
            }

            return words;
        }