System.Xml.Xsl.XsltOld.NavigatorInput.Close C# (CSharp) Method

        internal  void Close() {
            _Navigator = null;
            _PositionInfo = null;
        }

        internal void PopInputDocument()
        {
            Debug.Assert(_input != null);
            Debug.Assert(_input.Atoms == _atoms);

            NavigatorInput lastInput = _input;

            _input         = lastInput.Next;
            lastInput.Next = null;

            if (_input != null)
            {
                _atoms        = _input.Atoms;
                _scopeManager = _input.InputScopeManager;
            }
            else
            {
                _atoms        = null;
                _scopeManager = null;
            }

            RemoveDocumentURI(lastInput.Href);
            lastInput.Close();
        }