/// <summary>
/// 编码函数,返回字节数组
/// </summary>
/// <param name="source">待编码的Handler对象</param>
/// <returns>已编码的字节数组</returns>
public static byte[] ByteArrayEncode(BEncodedNode source)
{
MemoryStream msw = new MemoryStream();
source.Encode(msw);
return(msw.ToArray());
}
/// <summary>
/// 安全解码函数,带错误检测
/// </summary>
/// <param name="source">待解码的字节数组</param>
/// <returns>返回已解码的Handler基类</returns>
public static BEncodedNode Decode(byte[] source)
{
//初始化变量
int position = 0;
///当待解码字节数组的长度为零,抛出异常
if (source.Length == 0)
{
throw new BitTorrentException("待解码的字节数组的长度为零");
}
BEncodedNode interpreter = Decode(source, ref position);
if (position != source.Length)
{
throw new BitTorrentException("解码的字节数组长度异常");
}
return(interpreter);
}
/// <summary>
/// 编码函数,返回字符串
/// </summary>
/// <param name="source">待编码的Handler对象</param>
/// <returns>已编码的字符串</returns>
public static string StringEncode(BEncodedNode source)
{
return(Encoding.UTF8.GetString(ByteArrayEncode(source)));
}