C# Compiler.IsExtensionNamespace方法代码示例

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

            if (input.Navigator.MoveToAttribute(Keywords.s_UseAttributeSets, input.Atoms.XsltNamespace)) {
                AddAction(compiler.CreateUseAttributeSetsAction());
                input.Navigator.MoveToParent();
            }
            compiler.InsertExcludedNamespace();

            if (input.MoveToFirstAttribute()) {
                do {

                    // Skip everything from Xslt namespace
                    if (Keywords.Equals(input.NamespaceURI, input.Atoms.XsltNamespace)) {
                        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();
            }

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

                    if (Keywords.Compare(uri, input.Atoms.XsltNamespace)) {
                        continue;
                    }
                    if ( 
                        compiler.IsExcludedNamespace(uri) ||
                        compiler.IsExtensionNamespace(uri) ||
                        compiler.IsNamespaceAlias(uri)
                    ) {
                            continue;
                    }
                    this.AddEvent(new NamespaceEvent(input));
                }
                while (input.MoveToNextNamespace());
                input.ToParent();
            }
        }

		protected override void Compile (Compiler c)
		{
			if (c.Debugger != null)
				c.Debugger.DebugCompile (this.DebugInput);

			hasStack = (c.CurrentVariableScope == null);
			c.PushScope ();
			do {	
				Debug.EnterNavigator (c);
				XPathNavigator n = c.Input;			
				switch (n.NodeType) {
				case XPathNodeType.Element:
					switch (n.NamespaceURI) {
					case XsltNamespace:
						
						switch (n.LocalName) {
						case "apply-imports":
							content.Add (new XslApplyImports (c));
							break;
						case "apply-templates":
							content.Add (new XslApplyTemplates (c));
							break;
						case "attribute":
							if (ParentType == XPathNodeType.All
								|| ParentType == XPathNodeType.Element)
								content.Add (new XslAttribute (c));
							break;
						case "call-template":
							content.Add (new XslCallTemplate (c));
							break;
						case "choose":
							content.Add (new XslChoose (c));
							break;
						case "comment":
							if (ParentType == XPathNodeType.All
								|| ParentType == XPathNodeType.Element)
							content.Add (new XslComment (c));
							break;
						case "copy":
							content.Add (new XslCopy (c));
							break;
						case "copy-of":
							content.Add (new XslCopyOf (c));
							break;
						case "element":
							if (ParentType == XPathNodeType.All
								|| ParentType == XPathNodeType.Element)
								content.Add (new XslElement (c));
							break;
						case "fallback":
							break;
						case "for-each":
							content.Add (new XslForEach (c));
							break;
						case "if":
							content.Add (new XslIf (c));
							break;
						case "message":
							content.Add (new XslMessage(c));
							break;
						case "number":
							content.Add (new XslNumber(c));
							break;
						case "processing-instruction":
							if (ParentType == XPathNodeType.All
								|| ParentType == XPathNodeType.Element)
								content.Add (new XslProcessingInstruction(c));
							break;
						case "text":
							content.Add (new XslText(c, false));
							break;
						case "value-of":
							content.Add (new XslValueOf(c));
							break;
						case "variable":
							content.Add (new XslLocalVariable (c));
							break;
						case "sort":
							if (xslForEach)
								break;
							throw new XsltCompileException ("'sort' element is not allowed here as a templete content", null, n);
						default:
							// TODO: handle fallback, like we should
//							throw new XsltCompileException ("Did not recognize element " + n.Name, null, n);
							content.Add (new XslNotSupportedOperation (c));
							break;
						}
						break;
					default:
						if (!c.IsExtensionNamespace (n.NamespaceURI))
							content.Add (new XslLiteralElement(c));
						else {
							if (n.MoveToFirstChild ()) {
								do {
									if (n.NamespaceURI == XsltNamespace && n.LocalName == "fallback")
										content.Add (new XslFallback (c));
								} while (n.MoveToNext ());
								n.MoveToParent ();
							}
						}
//.........这里部分代码省略.........

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

            Debug.Trace(input);
            if (input.NodeType == XPathNodeType.Element) {
                string nspace = input.NamespaceURI;

                if (Keywords.Equals(nspace, input.Atoms.XsltNamespace)) {
                    compiler.PushNamespaceScope();
                    CompileInstruction(compiler);
                    compiler.PopScope();
                }
                else {
                    compiler.PushLiteralScope();
                    compiler.InsertExtensionNamespace();
                    if (compiler.IsExtensionNamespace(nspace)) {
                        AddAction(compiler.CreateNewInstructionAction()); 
                    }
                    else {
                        CompileLiteral(compiler);
                    }
                    compiler.PopScope();
                    
                }
            }
            else {
                CompileLiteral(compiler);
            }
        }