PanGu.Segment.MergeEnglishSpecialWord C# (CSharp) Method

        private bool MergeEnglishSpecialWord(string orginalText, SuperLinkedList<WordInfo> wordInfoList, ref SuperLinkedListNode<WordInfo> current)
        {
            SuperLinkedListNode<WordInfo> cur = current;

            cur = cur.Next;

            int last = -1;

            while (cur != null)
            {
                if (cur.Value.WordType == WordType.Symbol || cur.Value.WordType == WordType.English)
                {
                    last = cur.Value.Position + cur.Value.Word.Length;
                    cur = cur.Next;
                }
                else
                {
                    break;
                }
            }

            if (last >= 0)
            {
                int first = current.Value.Position;

                string newWord = orginalText.Substring(first, last - first);

                WordAttribute wa = _WordDictionary.GetWordAttr(newWord);

                if (wa == null)
                {
                    return false;
                }

                while (current != cur)
                {
                    SuperLinkedListNode<WordInfo> removeItem = current;
                    current = current.Next;
                    wordInfoList.Remove(removeItem);
                }

                WordInfo newWordInfo = new WordInfo(new PanGu.Dict.PositionLength(first, last - first,
                    wa), orginalText, _Parameters);

                newWordInfo.WordType = WordType.English;
                newWordInfo.Rank = _Parameters.EnglishRank;

                if (_Options.EnglishSegment)
                {
                    string lowerWord = newWordInfo.Word.ToLower();

                    if (lowerWord != newWordInfo.Word)
                    {
                        if (current == null)
                        {
                            wordInfoList.AddLast(newWordInfo);
                        }
                        else
                        {
                            wordInfoList.AddBefore(current, newWordInfo);
                        }
                    }

                    newWordInfo = new WordInfo(lowerWord, newWordInfo.Position, newWordInfo.Pos, newWordInfo.Frequency, _Parameters.EnglishLowerRank, newWordInfo.WordType,
                        newWordInfo.OriginalWordType);
                }
                else if (_Options.IgnoreCapital)
                {
                    newWordInfo.Word = newWordInfo.Word.ToLower();
                }

                if (current == null)
                {
                    wordInfoList.AddLast(newWordInfo);
                }
                else
                {
                    wordInfoList.AddBefore(current, newWordInfo);
                }

                return true;
            }

            return false;
        }