System.Xml.Xsl.XsltOld.Compiler.IsNamespaceAlias C# (CSharp) Method

        internal bool IsNamespaceAlias(String StylesheetURI)
        {
            if (_globalNamespaceAliasTable == null)
            {
                return false;
            }
            return _globalNamespaceAliasTable.Contains(StylesheetURI);
        }

        void CompileLiteralAttributesAndNamespaces(Compiler compiler) {
            NavigatorInput input = compiler.Input;

            if (input.Navigator.MoveToAttribute("use-attribute-sets", input.Atoms.UriXsl)) {
                AddAction(compiler.CreateUseAttributeSetsAction());
                input.Navigator.MoveToParent();
            }
            compiler.InsertExcludedNamespace();

            if (input.MoveToFirstNamespace()) {
                do {
                    string uri = input.Value;

                    if (uri == XmlReservedNs.NsXslt) {
                        continue;
                    }
                    if (
                        compiler.IsExcludedNamespace(uri) ||
                        compiler.IsExtensionNamespace(uri) ||
                        compiler.IsNamespaceAlias(uri)
                    ) {
                            continue;
                    }
                    this.AddEvent(new NamespaceEvent(input));
                }
                while (input.MoveToNextNamespace());
                input.ToParent();
            }

            if (input.MoveToFirstAttribute()) {
                do {

                    // Skip everything from Xslt namespace
                    if (Ref.Equal(input.NamespaceURI, input.Atoms.UriXsl)) {
                        continue;
                    }

                    // Add attribute events
                    this.AddEvent (compiler.CreateBeginEvent());
                    this.AddEvents(compiler.CompileAvt(input.Value));
                    this.AddEvent (new EndEvent(XPathNodeType.Attribute));
                }
                while (input.MoveToNextAttribute());
                input.ToParent();
            }
        }