| static private IsRoot ( XPathNavigator navigator ) : bool | ||
| navigator | XPathNavigator | |
| return | bool | |
internal override void Execute(Processor processor, ActionFrame frame)
{
Debug.Assert(processor != null && frame != null);
switch (frame.State)
{
case Initialized:
frame.AllocateVariables(variableCount);
XPathNavigator root = processor.Document.Clone();
root.MoveToRoot();
frame.InitNodeSet(new XPathSingletonIterator(root));
if (this.containedActions != null && this.containedActions.Count > 0)
{
processor.PushActionFrame(frame);
}
frame.State = QueryInitialized;
break;
case QueryInitialized:
Debug.Assert(frame.State == QueryInitialized);
frame.NextNode(processor);
Debug.Assert(Processor.IsRoot(frame.Node));
if (processor.Debugger != null)
{
// this is like apply-templates, but we don't have it on stack.
// Pop the stack, otherwise last instruction will be on it.
processor.PopDebuggerStack();
}
processor.PushTemplateLookup(frame.NodeSet, /*mode:*/ null, /*importsOf:*/ null);
frame.State = RootProcessed;
break;
case RootProcessed:
Debug.Assert(frame.State == RootProcessed);
frame.Finished();
break;
default:
Debug.Fail("Invalid RootAction execution state");
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;
}
}
