public override bool IsSamePosition(XPathNavigator other)
{
HtmlNodeNavigator navigator = other as HtmlNodeNavigator;
if (navigator == null)
{
this.InternalTrace(">false");
return(false);
}
this.InternalTrace(">" + (navigator._currentnode == this._currentnode));
return(navigator._currentnode == this._currentnode);
}
private HtmlNodeNavigator(HtmlNodeNavigator nav)
{
this._doc = new HtmlDocument();
this._nametable = new HtmlNameTable();
if (nav == null)
{
throw new ArgumentNullException("nav");
}
this.InternalTrace(null);
this._doc = nav._doc;
this._currentnode = nav._currentnode;
this._attindex = nav._attindex;
this._nametable = nav._nametable;
}
public HtmlNode SelectSingleNode(string xpath)
{
if (xpath == null)
{
throw new ArgumentNullException("xpath");
}
XPathNodeIterator iterator = new HtmlNodeNavigator(this._ownerdocument, this).Select(xpath);
if (!iterator.MoveNext())
{
return(null);
}
HtmlNodeNavigator current = (HtmlNodeNavigator)iterator.Current;
return(current.CurrentNode);
}
public HtmlNodeCollection SelectNodes(string xpath)
{
HtmlNodeCollection nodes = new HtmlNodeCollection(null);
XPathNodeIterator iterator = new HtmlNodeNavigator(this._ownerdocument, this).Select(xpath);
while (iterator.MoveNext())
{
HtmlNodeNavigator current = (HtmlNodeNavigator)iterator.Current;
nodes.Add(current.CurrentNode);
}
if (nodes.Count == 0)
{
return(null);
}
return(nodes);
}
public override bool MoveTo(XPathNavigator other)
{
HtmlNodeNavigator navigator = other as HtmlNodeNavigator;
if (navigator == null)
{
this.InternalTrace(">false (nav is not an HtmlNodeNavigator)");
return(false);
}
this.InternalTrace(string.Concat(new object[] { "moveto oid=", navigator.GetHashCode(), ", n:", navigator._currentnode.Name, ", a:", navigator._attindex }));
if (navigator._doc == this._doc)
{
this._currentnode = navigator._currentnode;
this._attindex = navigator._attindex;
this.InternalTrace(">true");
return(true);
}
this.InternalTrace(">false (???)");
return(false);
}
