/// <summary>
/// 尝试生成元素开始标签的HTML形式
/// </summary>
/// <param name="element">要生成HTML的元素</param>
/// <param name="selfClosed">指示是否应产生自结束符号</param>
/// <returns></returns>
public static string GenerateTagHtml(IHtmlElement element, bool selfClosed)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
var builder = new StringBuilder(20);
builder.Append("<");
builder.Append(element.Name);
foreach (var attribute in element.Attributes())
{
builder.Append(" ");
builder.Append(attribute.Name);
if (attribute.AttributeValue != null)
{
if ((HtmlSpecification.IsUriValue(attribute) || HtmlSpecification.IsScriptValue(attribute)) && !attribute.AttributeValue.Contains('"'))
{
builder.Append("=\"").Append(attribute.AttributeValue).Append("\"");
}
else
{
builder.Append("=\"").Append(HtmlEncoding.HtmlAttributeEncode(attribute.AttributeValue)).Append("\"");
}
}
}
if (selfClosed)
{
builder.Append(" /");
}
builder.Append(">");
return(builder.ToString());
}