///<summary>
///To deal with the structure of the INFO
///</ Summary>
///<param Name="TorrentBytes"> </ param>
///<param Name="StarIndex"> </ param>
///<param Name="ListCount"> </ param>
private void GetFileInfo(byte[] TorrentBytes, ref int StarIndex, ref int ListCount)
{
if ((char)TorrentBytes[StarIndex] != 'd')
{
return;
}
StarIndex++;
if (GetKeyText(TorrentBytes, ref StarIndex).ToString().ToUpper() == "FILES")
{
TorrentFileInfoClass Info = new TorrentFileInfoClass();
while (true)
{
string TextStar = Encoding.UTF8.GetString(TorrentBytes, StarIndex, 1);
switch (TextStar)
{
case "l":
StarIndex++;
ListCount++;
break;
case "e":
ListCount--;
StarIndex++;
if (ListCount == 1)
{
TorrentFileInfo.Add(Info);
}
if (ListCount == 0)
{
return;
}
break;
case "d":
Info = new TorrentFileInfoClass();
ListCount++;
StarIndex++;
break;
default:
object ListText = GetKeyText(TorrentBytes, ref StarIndex);
if (ListText == null)
{
return;
}
switch (ListText.ToString().ToUpper()) // convert to uppercase
{
case "ED2K":
Info.De2K = GetKeyText(TorrentBytes, ref StarIndex).ToString();
break;
case "THE FILEHASH":
Info.FileHash = GetKeyText(TorrentBytes, ref StarIndex).ToString();
break;
case "LENGTH":
Info.Length = Convert.ToInt64(GetKeyNumb(TorrentBytes, ref StarIndex));
break;
case "PATH":
int pathcount = 0;
ArrayList PathList = GetKeyData(TorrentBytes, ref StarIndex, ref pathcount);
string Temp = "";
for (int i = 0; i != PathList.Count; i++)
{
Temp += PathList[i].ToString();
}
Info.Path = Temp;
break;
case "PATH.UTF-8":
int PathUtf8Count = 0;
ArrayList Pathutf8List = GetKeyData(TorrentBytes, ref StarIndex, ref PathUtf8Count);
string UtfTemp = "";
for (int i = 0; i != Pathutf8List.Count; i++)
{
UtfTemp += Pathutf8List[i].ToString();
}
Info.PathUTF8 = UtfTemp;
break;
}
break;
}
}
}
}
/// <summary>
/// 对付INFO的结构
/// </summary>
/// <param name="TorrentBytes"></param>
/// <param name="StarIndex"></param>
/// <param name="ListCount"></param>
private void GetFileInfo(byte[] TorrentBytes, ref int StarIndex, ref int ListCount)
{
if ((char)TorrentBytes[StarIndex] != 'd')
{
return;
}
StarIndex++;
String getkey = GetKeyText(TorrentBytes, ref StarIndex).ToString().ToUpper();
while (getkey != "FILES" && getkey != "LENGTH")
{
object PieceLengthNumb = GetKeyNumb(TorrentBytes, ref StarIndex);
char temp1 = (char)TorrentBytes[StarIndex];
while (temp1 == 'i')
{
object temp2 = GetKeyNumb(TorrentBytes, ref StarIndex);
temp1 = (char)TorrentBytes[StarIndex];
}
getkey = GetKeyText(TorrentBytes, ref StarIndex).ToString().ToUpper();
}
if (getkey == "FILES")
{
TorrentFileInfoClass Info = new TorrentFileInfoClass();
while (true)
{
string TextStar = Encoding.UTF8.GetString(TorrentBytes, StarIndex, 1);
switch (TextStar)
{
case "l":
StarIndex++;
ListCount++;
break;
case "e":
ListCount--;
StarIndex++;
if (ListCount == 1)
{
TorrentFileInfo.Add(Info);
}
if (ListCount == 0)
{
return;
}
break;
case "d":
Info = new TorrentFileInfoClass();
ListCount++;
StarIndex++;
break;
default:
object ListText = GetKeyText(TorrentBytes, ref StarIndex);
if (ListText == null)
{
return;
}
switch (ListText.ToString().ToUpper()) //转换为大写
{
case "ED2K":
Info.De2K = GetKeyText(TorrentBytes, ref StarIndex).ToString();
break;
case "FILEHASH":
Info.FileHash = GetKeyText(TorrentBytes, ref StarIndex).ToString();
break;
case "LENGTH":
Info.Length = Convert.ToInt64(GetKeyNumb(TorrentBytes, ref StarIndex));
break;
case "PATH":
int PathCount = 0;
ArrayList PathList = GetKeyData(TorrentBytes, ref StarIndex, ref PathCount);
string Temp = "";
for (int i = 0; i != PathList.Count; i++)
{
Temp += PathList[i].ToString();
}
Info.Path = Temp;
break;
case "PATH.UTF-8":
int PathUtf8Count = 0;
ArrayList Pathutf8List = GetKeyData(TorrentBytes, ref StarIndex, ref PathUtf8Count);
string UtfTemp = "";
for (int i = 0; i != Pathutf8List.Count; i++)
{
UtfTemp += Pathutf8List[i].ToString();
}
Info.PathUTF8 = UtfTemp;
break;
}
break;
}
}
}
else if (getkey == "LENGTH")
{
//单一文件结构时
TorrentFileInfoClass Info = new TorrentFileInfoClass();
Info.Length = Convert.ToInt64(GetKeyNumb(TorrentBytes, ref StarIndex));
string test = Encoding.UTF8.GetString(TorrentBytes, StarIndex, TorrentBytes.Length - StarIndex > 500 ? 500 : TorrentBytes.Length - StarIndex);
string TextStar = Encoding.UTF8.GetString(TorrentBytes, StarIndex, 1);
object ListText = GetKeyText(TorrentBytes, ref StarIndex);
if (ListText.ToString().ToUpper() == "NAME")
{
Info.Path = GetKeyText(TorrentBytes, ref StarIndex).ToString();
TorrentFileInfo.Add(Info);
TorrentName = Info.Path;
}
}
}