internal override void Execute(Processor processor, ActionFrame frame)
{
Debug.Assert(processor != null && frame != null);
switch (frame.State)
{
case Initialized:
Debug.Assert(frame.NodeSet != null);
Debug.Assert(this.selectKey != Compiler.InvalidQueryKey);
XPathExpression expr = processor.GetValueQuery(this.selectKey);
object result = frame.Node.Evaluate(expr);
XPathNodeIterator nodeSet = result as XPathNodeIterator;
if (nodeSet != null)
{
processor.PushActionFrame(CopyNodeSetAction.GetAction(), nodeSet);
frame.State = NodeSetCopied;
break;
}
XPathNavigator nav = result as XPathNavigator;
if (nav != null)
{
processor.PushActionFrame(CopyNodeSetAction.GetAction(), new XPathSingletonIterator(nav));
frame.State = NodeSetCopied;
break;
}
string value = XmlConvert.ToXPathString(result);
if (processor.TextEvent(value))
{
frame.Finished();
}
else
{
frame.StoredOutput = value;
frame.State = ResultStored;
}
break;
case ResultStored:
Debug.Assert(frame.StoredOutput != null);
processor.TextEvent(frame.StoredOutput);
frame.Finished();
break;
case NodeSetCopied:
Debug.Assert(frame.State == NodeSetCopied);
frame.Finished();
break;
}
}
internal override void Execute(Processor processor, ActionFrame frame) {
Debug.Assert(processor != null && frame != null);
switch (frame.State) {
case Initialized:
Debug.Assert(frame.NodeSet != null);
Debug.Assert(this.selectKey != Compiler.InvalidQueryKey);
XPathExpression expr = processor.GetValueQuery(this.selectKey);
object result = frame.Node.Evaluate(expr);
XPathNodeIterator nodeSet = result as XPathNodeIterator;
if (nodeSet != null) {
processor.PushActionFrame(CopyNodeSetAction.GetAction(), nodeSet);
frame.State = NodeSetCopied;
break;
}
XPathNavigator nav = result as XPathNavigator;
if (nav != null) {
processor.PushActionFrame(CopyNodeSetAction.GetAction(), new XPathSingletonIterator(nav));
frame.State = NodeSetCopied;
break;
}
string value = XmlConvert.ToXPathString(result);
if (processor.TextEvent(value)) {
frame.Finished();
}
else {
frame.StoredOutput = value;
frame.State = ResultStored;
}
break;
case ResultStored:
Debug.Assert(frame.StoredOutput != null);
processor.TextEvent(frame.StoredOutput);
frame.Finished();
break;
case NodeSetCopied:
Debug.Assert(frame.State == NodeSetCopied);
frame.Finished();
break;
}
}
