internal override void Execute(Processor processor, ActionFrame frame) { Debug.Assert(processor != null && frame != null); while (processor.CanContinue) { switch (frame.State) { case Initialized: if (frame.NextNode(processor)) { Debug.WriteLine("Next node to copy found"); Debug.WriteLine(frame.Node.Name); frame.State = BeginEvent; goto case BeginEvent; } else { frame.Finished(); break; } case BeginEvent: Debug.Assert(frame.State == BeginEvent); if (SendBeginEvent(processor, frame.Node) == false) { // This one wasn't output break; } frame.State = Contents; continue; case Contents: Debug.Assert(frame.State == Contents); XPathNodeType nodeType = frame.Node.NodeType; if (nodeType == XPathNodeType.Element || nodeType == XPathNodeType.Root) { processor.PushActionFrame(CopyAttributesAction.GetAction(), frame.NodeSet); frame.State = Attributes; break; } if (SendTextEvent(processor, frame.Node) == false) { // This one wasn't output break; } frame.State = EndEvent; continue; case Attributes: processor.PushActionFrame(CopyNamespacesAction.GetAction(), frame.NodeSet); frame.State = Namespaces; break; case Namespaces: if (frame.Node.HasChildren) { processor.PushActionFrame(GetAction(), frame.Node.SelectChildren(XPathNodeType.All)); frame.State = Subtree; break; } frame.State = EndEvent; goto case EndEvent; case Subtree: //frame.Node.MoveToParent(); frame.State = EndEvent; continue; case EndEvent: Debug.Assert(frame.State == EndEvent); if (SendEndEvent(processor, frame.Node) == false) { // This one wasn't output break; } frame.State = Initialized; continue; } break; } }
internal override void Execute(Processor processor, ActionFrame frame) { Debug.Assert(processor != null && frame != null); while (processor.CanContinue) { switch (frame.State) { case Initialized: if (Processor.IsRoot(frame.Node)) { processor.PushActionFrame(frame); frame.State = ChildrenOnly; break; } if (processor.CopyBeginEvent(frame.Node, this.empty) == false) { // This event wasn't processed break; } frame.State = NamespaceCopy; continue; case NamespaceCopy: frame.State = ContentsCopy; if (frame.Node.NodeType == XPathNodeType.Element) { processor.PushActionFrame(CopyNamespacesAction.GetAction(), frame.NodeSet); break; } continue; case ContentsCopy: if (frame.Node.NodeType == XPathNodeType.Element && !this.empty) { //Debug.Assert(frame.Node.HasValue == false); processor.PushActionFrame(frame); frame.State = ProcessChildren; break; } else { if (processor.CopyTextEvent(frame.Node)) { frame.State = ProcessChildren; continue; } else { // This event wasn't processed break; } } case ProcessChildren: if (processor.CopyEndEvent(frame.Node)) { frame.Finished(); } break; case ChildrenOnly: frame.Finished(); break; default: Debug.Fail("Invalid CopyAction execution state"); break; } break; } }