System.Xml.Xsl.XsltOld.Keywords.LookupKeywords C# (CSharp) Method

        internal void LookupKeywords() {
            _AtomEmpty               = _NameTable.Add(string.Empty);
            _AtomXsltNamespace       = _NameTable.Add(s_XsltNamespace);
            _AtomApplyTemplates      = _NameTable.Add(s_ApplyTemplates);
            _AtomChoose              = _NameTable.Add(s_Choose);
            _AtomForEach             = _NameTable.Add(s_ForEach);
            _AtomIf                  = _NameTable.Add(s_If);
            _AtomOtherwise           = _NameTable.Add(s_Otherwise);
            _AtomStylesheet          = _NameTable.Add(s_Stylesheet);
            _AtomTemplate            = _NameTable.Add(s_Template);
            _AtomTransform           = _NameTable.Add(s_Transform);
            _AtomValueOf             = _NameTable.Add(s_ValueOf);
            _AtomWhen                = _NameTable.Add(s_When);
            _AtomMatch               = _NameTable.Add(s_Match);
            _AtomName                = _NameTable.Add(s_Name);
            _AtomSelect              = _NameTable.Add(s_Select);
            _AtomTest                = _NameTable.Add(s_Test);

            _AtomMsXsltNamespace     = _NameTable.Add(s_MsXsltNamespace);
            _AtomScript              = _NameTable.Add(s_Script);
            CheckKeyword(_AtomEmpty);
            CheckKeyword(_AtomXsltNamespace);
            CheckKeyword(_AtomApplyTemplates);
            CheckKeyword(_AtomChoose);
            CheckKeyword(_AtomForEach);
            CheckKeyword(_AtomIf);
            CheckKeyword(_AtomOtherwise);
            CheckKeyword(_AtomStylesheet);
            CheckKeyword(_AtomTemplate);
            CheckKeyword(_AtomTransform);
            CheckKeyword(_AtomValueOf);
            CheckKeyword(_AtomWhen);
            CheckKeyword(_AtomMatch);
            CheckKeyword(_AtomName);
            CheckKeyword(_AtomSelect);
            CheckKeyword(_AtomTest);
            CheckKeyword(_AtomMsXsltNamespace);
            CheckKeyword(_AtomScript);
        }

        //
        // Constructor
        //
        internal NavigatorInput(XPathNavigator navigator, string baseUri, InputScope rootScope)
        {
            if (navigator == null)
            {
                throw new ArgumentNullException("navigator");
            }
            if (baseUri == null)
            {
                throw new ArgumentNullException("baseUri");
            }
            Debug.Assert(navigator.NameTable != null);
            _Next  = null;
            _Href  = baseUri;
            _Atoms = new Keywords(navigator.NameTable);
            _Atoms.LookupKeywords();
            _Navigator    = navigator;
            _Manager      = new InputScopeManager(_Navigator, rootScope);
            _PositionInfo = PositionInfo.GetPositionInfo(_Navigator);

            /*BeginReading:*/
            AssertInput();
            if (NodeType == XPathNodeType.Root)
            {
                _Navigator.MoveToFirstChild();
            }
        }