Evaluate()

override object MS.Internal.Xml.XPath.XPathAncestorQuery.Evaluate ( XPathNodeIterator context )

inline

Definition at line 25 of file XPathAncestorQuery.cs.

    {
        base.Evaluate(context);
        XPathNavigator xPathNavigator = null;
        XPathNavigator xPathNavigator2;
        while ((xPathNavigator2 = qyInput.Advance()) != null)
        {
            if (!_matchSelf || !matches(xPathNavigator2) || Query.Insert(outputBuffer, xPathNavigator2))
            {
                if (xPathNavigator == null || !xPathNavigator.MoveTo(xPathNavigator2))
                {
                    xPathNavigator = xPathNavigator2.Clone();
                }
                while (xPathNavigator.MoveToParent() && (!matches(xPathNavigator) || Query.Insert(outputBuffer, xPathNavigator)))
                {
                }
            }
        }
        return this;
    }

References MS.Internal.Xml.XPath.XPathAncestorQuery._matchSelf, MS.Internal.Xml.XPath.Query.Advance(), System.Xml.XPath.XPathNavigator.Clone(), MS.Internal.Xml.XPath.Query.Insert(), MS.Internal.Xml.XPath.BaseAxisQuery.matches(), System.Xml.XPath.XPathNavigator.MoveTo(), System.Xml.XPath.XPathNavigator.MoveToParent(), MS.Internal.Xml.XPath.CacheAxisQuery.outputBuffer, and MS.Internal.Xml.XPath.BaseAxisQuery.qyInput.