public object Evaluate <T>(XNode node, string expression, IXmlNamespaceResolver resolver) where T : class
{
object obj2 = node.CreateNavigator().Evaluate(expression, resolver);
if (obj2 is XPathNodeIterator)
{
return(this.EvaluateIterator <T>((XPathNodeIterator)obj2));
}
if (!(obj2 is T))
{
throw new InvalidOperationException(System.Xml.Linq.Res.GetString("InvalidOperation_UnexpectedEvaluation", new object[] { obj2.GetType() }));
}
return((T)obj2);
}
public object Evaluate <T>(XNode node, string expression, IXmlNamespaceResolver resolver) where T : class
{
XPathNavigator navigator = node.CreateNavigator();
object result = navigator.Evaluate(expression, resolver);
if (result is XPathNodeIterator)
{
return(EvaluateIterator <T>((XPathNodeIterator)result));
}
if (!(result is T))
{
throw new InvalidOperationException(SR.Format(SR.InvalidOperation_UnexpectedEvaluation, result.GetType()));
}
return((T)result);
}
/// <summary>
/// Creates an <see cref="XPathNavigator"/> for a given <see cref="XNode"/>
/// </summary>
/// <param name="node">Extension point <see cref="XNode"/></param>
/// <returns>An <see cref="XPathNavigator"/></returns>
public static XPathNavigator CreateNavigator(this XNode node)
{
return(node.CreateNavigator(null));
}
public XPathNavigator CreateNavigator()
{
return(_node.CreateNavigator());
}