private static void EvaluateElement(HtmlElement e, List<HtmlElement> result, Func<HtmlElement, bool> evaluator)
{
if (evaluator(e))
result.Add(e);
foreach (HtmlElement child in e.ChildElements)
EvaluateElement(child, result, evaluator);
}
private static bool IsUnrelatedEndTag(HtmlElement e)
{
if (e.ElementType != HtmlElementType.EndTag)
return false;
return ((HtmlEndTag) e).StartTag == null;
}