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

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

            switch (frame.State) {
            case Initialized:
                if(this.qname != null) {
                    frame.CalulatedName = this.qname;
                }
                else {
                    frame.CalulatedName = CreateElementQName(
                        this.nameAvt == null ? this.name  : this.nameAvt.Evaluate(processor, frame),
                        this.nsAvt   == null ? this.nsUri : this.nsAvt  .Evaluate(processor, frame),
                        this.manager
                    );
                }
                goto case NameDone;

            case NameDone:
                {
                    PrefixQName qname = frame.CalulatedName;
                    if (processor.BeginEvent(XPathNodeType.Element, qname.Prefix, qname.Name, qname.Namespace, this.empty) == false) {
                        // Come back later
                        frame.State = NameDone;
                        break;
                    }

                    if (! this.empty) {
                        processor.PushActionFrame(frame);
                        frame.State = ProcessingChildren;
                        break;                              // Allow children to run
                    }
                    else {
                        goto case ProcessingChildren;
                    }
                }
            case ProcessingChildren:
                if (processor.EndEvent(XPathNodeType.Element) == false) {
                    frame.State = ProcessingChildren;
                    break;
                }
                frame.Finished();
                break;
            default:
                Debug.Fail("Invalid ElementAction execution state");
    		    break;
            }
        }
    }