public HtmlElement QuerySelector(QuerySelectorPatterns patts)
{
//eval child node
if (ChildrenCount < 1)
{
return(null);
}
//----------
foreach (DomNode childnode in this.GetChildNodeIterForward())
{
if (childnode.NodeKind == HtmlNodeKind.OpenElement)
{
HtmlElement htmlElem = (HtmlElement)childnode;
if (!patts.Evaluate((HtmlElement)childnode))
{
//not found
HtmlElement found = ((HtmlElement)childnode).QuerySelector(patts);
if (found != null)
{
return(found);
}
}
else
{
//found
return((HtmlElement)childnode);
}
}
}
return(null);
}
static void QuerySelectAll(HtmlElement elem, QuerySelectorPatterns patts, HtmlNodeList nodelist)
{
if (elem.ChildrenCount < 1)
{
return;
}
//----------
foreach (DomNode childnode in elem.GetChildNodeIterForward())
{
if (childnode.NodeKind == HtmlNodeKind.OpenElement)
{
HtmlElement htmlElem = (HtmlElement)childnode;
if (patts.Evaluate((HtmlElement)childnode))
{
//found
nodelist.AddSelectedItem(htmlElem);
}
QuerySelectAll(htmlElem, patts, nodelist);
}
}
}
