/// <summary>
/// 将元素重复指定次数
/// </summary>
/// <param name="element">要重复的元素</param>
/// <param name="count">要重复的次数</param>
/// <returns>所产生的元素序列</returns>
/// <exception cref="System.ArgumentOutOfRangeException">重复的次数小于 0</exception>
/// <remarks>
/// 若提供的 count 等于 0，则会从 DOM中 移除元素，若等于 1 则不做任何事情。
/// </remarks>
public static IHtmlElement[] Repeat(this IHtmlElement element, int count)
{
if (count < 0)
{
throw new ArgumentOutOfRangeException("count");
}
switch (count)
{
case 0:
element.Remove();
return(new IHtmlElement[0]);
case 1:
return(new[] { element });
default:
IHtmlElement[] result = new IHtmlElement[count];
result[0] = element;
var container = element.Container;
lock (element.Container)
{
var index = element.NodesIndexOfSelf();
for (int i = 1; i < count; i++)
{
result[i] = container.AddCopy(index + i, element);
}
}
return(result);
}
}
public void BindValue(object value)
{
var parent = _targetElement.Parent();
if (parent == null)
{
throw new NotSupportedException();
}
var text = (string)value;
if (parent.ElementTextMode() == TextMode.Preformated)
{
parent.AddTextNode(_targetElement.NodesIndexOfSelf(), HtmlEncoding.HtmlEncode(text));
_targetElement.Remove();
}
else
{
var encoded = HtmlEncoding.HtmlEncode(text);
encoded = encoded.Replace(" ", " ");
if (encoded.EndsWith(" "))
{
encoded = encoded.Substring(0, encoded.Length - 1) + " ";//如果末尾多出一个空格，则替换为
}
encoded = encoded.Replace("\r\n", "\n").Replace("\r", "\n");
encoded = encoded.Replace("\n", "<br />");
_targetElement.ReplaceWith(encoded);
}
}