internal override void Execute(Processor processor, ActionFrame frame)
{
Debug.Assert(processor != null && frame != null);
switch (frame.State)
{
case Initialized:
Debug.Assert(frame.NodeSet != null);
Query query = processor.GetValueQuery(_selectKey);
object result = query.Evaluate(frame.NodeSet);
if (result is XPathNodeIterator)
{
// we cash this query because otherwise current() works incorrectly. Bug #382166.
// To be perfect we should use frame.NewNodeSet here
processor.PushActionFrame(CopyNodeSetAction.GetAction(), new XPathArrayIterator(query));
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);
Query query = processor.GetValueQuery(this.selectKey);
object result = query.Evaluate(frame.NodeSet);
if (result is XPathNodeIterator)
{
processor.PushActionFrame(CopyNodeSetAction.GetAction(), new XPathArrayIterator(query));
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;
}
}