public ElementCollection css(string selector)
{
if (string.IsNullOrEmpty(selector))
{
return(new ElementCollection());
}
// 选择某个属性
var css = RegexUnity.AttrSelector(selector);
if (!string.IsNullOrEmpty(css))
{
ElementCollection eles = new ElementCollection();
ElementIterator.Each(this, (item) =>
{
if (!string.IsNullOrEmpty(item.attr(css)))
{
eles.Add(item);
}
return(true);
});
return(eles);
}
return(new ElementCollection(from node in this._innerNode.CssSelect(selector)
select new Element(node)));
}
internal static Element Single(Element parentNode, Func <Element, bool> filtter)
{
Element target = null;
ElementIterator.Each(parentNode, (item) =>
{
if (filtter(item))
{
target = item;
return(true);
}
return(false);
});
return(target);
}