System.Xml.Xsl.XsltOld.RecordBuilder.AnalyzeComment C# (CSharp) Method

        private void AnalyzeComment() {
            Debug.Assert(this.mainNode.NodeType == XmlNodeType.Comment);
            Debug.Assert((object) this.currentInfo == (object) this.mainNode);

            StringBuilder newComment = null;
            string        comment    = this.mainNode.Value;
            bool          minus      = false;
            int index = 0, begin = 0;

            for (; index < comment.Length; index ++) {
                switch (comment[index]) {
                    case s_Minus:
                        if (minus) {
                            if (newComment == null)
                                newComment = new StringBuilder(comment, begin, index, 2 * comment.Length);
                            else
                                newComment.Append(comment, begin, index - begin);

                            newComment.Append(s_SpaceMinus);
                            begin = index + 1;
                        }
                        minus = true;
                        break;
                    default:
                        minus = false;
                        break;
                }
            }

            if (newComment != null) {
                if (begin < comment.Length)
                    newComment.Append(comment, begin, comment.Length - begin);

                if (minus)
                    newComment.Append(s_Space);

                this.mainNode.Value = newComment.ToString();
            }
            else if (minus) {
                this.mainNode.ValueAppend(s_Space, false);
            }
        }