public void SkipChildren()
{
if (ChildIterator != null)
{
ChildIterator.SkipChildren();
}
else
{
SkipChild = true;
}
}
public override void OnChildComplete(Behavior sender, NodeStatus status)
{
// we exit as soon as our child returns successfully.
if (status == NodeStatus.SUCCESS)
{
Exit(status); // same as decorators. Because the selector is not posted, we have to exit ourselves.
}
// we move to the next child if the previous one failed or is aborted.
else
{
// if we have more, we enters our next child.
if (ChildIterator.MoveNext())
{
ChildIterator.Current.Enter();
}
// if we don't have any left, we exit with failure.
else
{
Exit(status);
}
}
}
public override void OnChildComplete(Behavior sender, NodeStatus status)
{
// if the child return with success, we proceed to the next.
if (status == NodeStatus.SUCCESS)
{
// if we have more, we move on.
if (ChildIterator.MoveNext())
{
ChildIterator.Current.Enter();
}
// otherwise, we say that we have successfully completed all sequence, and exit with success.
else
{
Exit(status);
}
}
// if it failed, or is aborted, we exit and propagate the code.
else
{
Exit(status);
}
}
private ChildIterator (ChildIterator other, bool cloneFlag)
: base (other, true)
{
}
public override XPathSequence Evaluate (XPathSequence iter)
{
XQueryContext ctx = iter.Context;
if (iter.Position == 0) {
iter = iter.Clone ();
if (!iter.MoveNext ())
return new XPathEmptySequence (iter.Context);
}
XPathNavigator nav = iter.Current as XPathNavigator;
if (nav == null)
throw new XmlQueryException ("Node set is expected.");
NodeIterator argIter = null;
switch (Axis.AxisType) {
case XPathAxisType.Child:
argIter = new ChildIterator (nav, ctx); break;
case XPathAxisType.Descendant:
argIter = new DescendantIterator (nav, ctx); break;
case XPathAxisType.Attribute:
argIter = new AttributeIterator (nav, ctx); break;
case XPathAxisType.Self:
argIter = new SelfIterator (nav, ctx); break;
case XPathAxisType.DescendantOrSelf:
argIter = new DescendantOrSelfIterator (nav, ctx); break;
case XPathAxisType.FollowingSibling:
argIter = new FollowingSiblingIterator (nav, ctx); break;
case XPathAxisType.Following:
argIter = new FollowingIterator (nav, ctx); break;
case XPathAxisType.Parent:
argIter = new ParentIterator (nav, ctx); break;
case XPathAxisType.Ancestor:
argIter = new AncestorIterator (nav, ctx); break;
case XPathAxisType.PrecedingSibling:
argIter = new PrecedingSiblingIterator (nav, ctx); break;
case XPathAxisType.Preceding:
argIter = new PrecedingIterator (nav, ctx); break;
case XPathAxisType.AncestorOrSelf:
argIter = new AncestorOrSelfIterator (nav, ctx); break;
case XPathAxisType.Namespace: // only applicable under XPath 2.0: not XQuery 1.0
argIter = new NamespaceIterator (nav, ctx); break;
}
return new AxisIterator (argIter, this);
}
