MatchNode()

override XPathNavigator MS.Internal.Xml.XPath.DescendantBaseQuery.MatchNode ( XPathNavigator context )

inlinevirtualinherited

Reimplemented from MS.Internal.Xml.XPath.Query.

Definition at line 26 of file DescendantBaseQuery.cs.

    {
        if (context != null)
        {
            if (!abbrAxis)
            {
                throw XPathException.Create(System.SR.Xp_InvalidPattern);
            }
            XPathNavigator xPathNavigator = null;
            if (matches(context))
            {
                if (matchSelf && (xPathNavigator = qyInput.MatchNode(context)) != null)
                {
                    return xPathNavigator;
                }
                XPathNavigator xPathNavigator2 = context.Clone();
                while (xPathNavigator2.MoveToParent())
                {
                    if ((xPathNavigator = qyInput.MatchNode(xPathNavigator2)) != null)
                    {
                        return xPathNavigator;
                    }
                }
            }
        }
        return null;
    }

References MS.Internal.Xml.XPath.DescendantBaseQuery.abbrAxis, System.Xml.XPath.XPathNavigator.Clone(), System.Xml.XPath.XPathException.Create(), MS.Internal.Xml.XPath.BaseAxisQuery.matches(), MS.Internal.Xml.XPath.Query.MatchNode(), MS.Internal.Xml.XPath.DescendantBaseQuery.matchSelf, System.Xml.XPath.XPathNavigator.MoveToParent(), MS.Internal.Xml.XPath.BaseAxisQuery.qyInput, and System.SR.Xp_InvalidPattern.