public HtmlTagNode?Add(HtmlTag tag)
{
if (!CanAdd(tag))
{
throw new Exception();
}
var result = new HtmlTagNode(this, tag);
_items.Add(result);
return(tag.Name == '/' + Tag.Name
? Parent
: result);
}
public HtmlTagNode(HtmlTagNode parent, HtmlTag tag)
: this(false, tag)
{
Parent = parent ?? throw new ArgumentNullException(nameof(parent));
}