System.Configuration.XmlUtilWriter.UpdatePosition C# (CSharp) Метод

        private void UpdatePosition(char ch) {
            switch (ch) {
                case '\r':
                    _lineNumber++;
                    _linePosition = 1;
                    _isLastLineBlank = true;
                    break;

                case '\n':
                    _lineStartCheckpoint = CreateStreamCheckpoint();
                    break;

                case SPACE:
                case '\t':
                    _linePosition++;
                    break;

                default:
                    _linePosition++;
                    _isLastLineBlank = false;
                    break;
            }
        }