///// <summary>
///// Steps up the tree from the closest parent to the root node returning each node that matches
///// </summary>
//static public IEnumerable<HtmlNode> Parents( this XmlNode root, string cssSelector ) {
// return root.Parents().Where( new CssExpression( cssSelector ).IsMatch );
//}
/// <summary>
/// Searches up ancestor tree, starting with self, for first node that matches
/// </summary>
static public XmlNode Closest(this XmlNode root, string cssSelector)
{
var cssExpression = new CssExpression(cssSelector);
XmlNode cur = root;
while (cur != null)
{
if (cssExpression.IsMatch(cur))
{
return(cur);
}
cur = cur.ParentNode;
}
return(null);
}
/// <summary>
/// Searches up ancestor tree, starting with self, for first node that matches
/// </summary>
public HtmlNode Closest(string cssSelector)
{
var cssExpression = new CssExpression(cssSelector);
HtmlNode cur = this;
while (cur != null)
{
if (cssExpression.IsMatch(cur))
{
return(cur);
}
cur = cur.ParentNode;
}
return(null);
}