System.Xml.Xsl.XsltOld.CopyAttributesAction.Execute C# (CSharp) Method

        internal override void Execute(Processor processor, ActionFrame frame) {
            Debug.Assert(processor != null && frame != null);

            while (processor.CanContinue) {
                switch (frame.State) {
                case Initialized:
                    if (!frame.Node.HasAttributes || frame.Node.MoveToFirstAttribute() == false) {
                        frame.Finished();
                        break;
                    }

                    frame.State   = BeginEvent;
                    goto case BeginEvent;

                case BeginEvent:
                    Debug.Assert(frame.State == BeginEvent);
                    Debug.Assert(frame.Node.NodeType == XPathNodeType.Attribute);

                    if (SendBeginEvent(processor, frame.Node) == false) {
                        // This one wasn't output
                        break;
                    }
                    frame.State = TextEvent;
                    continue;

                case TextEvent:
                    Debug.Assert(frame.State == TextEvent);
                    Debug.Assert(frame.Node.NodeType == XPathNodeType.Attribute);

                    if (SendTextEvent(processor, frame.Node) == false) {
                        // This one wasn't output
                        break;
                    }
                    frame.State = EndEvent;
                    continue;

                case EndEvent:
                    Debug.Assert(frame.State == EndEvent);
                    Debug.Assert(frame.Node.NodeType == XPathNodeType.Attribute);

                    if (SendEndEvent(processor, frame.Node) == false) {
                        // This one wasn't output
                        break;
                    }
                    frame.State = Advance;
                    continue;

                case Advance:
                    Debug.Assert(frame.State == Advance);
                    Debug.Assert(frame.Node.NodeType == XPathNodeType.Attribute);

                    if (frame.Node.MoveToNextAttribute()) {
                        frame.State = BeginEvent;
                        continue;
                    }
                    else {
                        frame.Node.MoveToParent();
                        frame.Finished();
                        break;
                    }
                }
                break;
            }// while (processor.CanContinue)
        }