/// <summary>
/// 查找元素下所有符合标签的
/// </summary>
/// <param name="source"></param>
/// <param name="tag"></param>
/// <returns></returns>
public static IHtmlElementEnumerable Find(this IHtmlElement source, HtmlTag tag)
{
var result = new HtmlElementSeletor();
if (source == null)
{
return(result);
}
FindChildren(source, tag, result);
return(result);
}
private static void FindChildren(IHtmlElement source, HtmlTag tag, HtmlElementSeletor result)
{
foreach (var item in source.Children())
{
if (!(item is HtmlElement))
{
continue;
}
var element = item as HtmlElement;
if (element.Tag == tag)
{
result.AddElement(element);
}
FindChildren(element, tag, result);
}
}
