private static void CopyChildNodes(IHtmlElement element, IFreeElement freeElement)
{
foreach (var node in element.Nodes().Reverse())
{
var freeNode = freeElement.Factory.MakeCopy(node);
freeNode.Into(freeElement, 0);
}
}
/// <summary>
/// 将元素添加到容器末尾
/// </summary>
/// <param name="element">要插入的游离元素</param>
/// <param name="container">要被插入的容器</param>
/// <returns>添加后的元素</returns>
public static IHtmlElement AppendTo(this IFreeElement element, IHtmlContainer container)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (container == null)
{
throw new ArgumentNullException("container");
}
return(element.InsertTo(container, container.Nodes().Count()));
}
/// <summary>
/// 将元素插入到指定位置
/// </summary>
/// <param name="element">要插入的游离元素</param>
/// <param name="container">要被插入的容器</param>
/// <param name="index">插入位置</param>
/// <returns>插入后的元素</returns>
public static IHtmlElement InsertTo(this IFreeElement element, IHtmlContainer container, int index)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (container == null)
{
throw new ArgumentNullException("container");
}
lock (container.SyncRoot)
{
if (!container.Document.Equals(element.Document))
{
throw new InvalidOperationException();
}
return((IHtmlElement)element.Into(container, index));
}
}
