IList <TorrentFile> LoadTorrentFiles(BEncodedList list)
{
var sb = new StringBuilder(32);
var files = new List <(string path, long length, byte[] md5sum, byte[] ed2k, byte[] sha1)> ();
foreach (BEncodedDictionary dict in list)
{
long length = 0;
string path = null;
byte[] md5sum = null;
byte[] ed2k = null;
byte[] sha1 = null;
foreach (KeyValuePair <BEncodedString, BEncodedValue> keypair in dict)
{
switch (keypair.Key.Text)
{
case ("sha1"):
sha1 = ((BEncodedString)keypair.Value).TextBytes;
break;
case ("ed2k"):
ed2k = ((BEncodedString)keypair.Value).TextBytes;
break;
case ("length"):
length = long.Parse(keypair.Value.ToString());
break;
case ("path.utf-8"):
foreach (BEncodedString str in ((BEncodedList)keypair.Value))
{
sb.Append(str.Text);
sb.Append(Path.DirectorySeparatorChar);
}
path = sb.ToString(0, sb.Length - 1);
sb.Remove(0, sb.Length);
break;
case ("path"):
if (string.IsNullOrEmpty(path))
{
foreach (BEncodedString str in ((BEncodedList)keypair.Value))
{
sb.Append(str.Text);
sb.Append(Path.DirectorySeparatorChar);
}
path = sb.ToString(0, sb.Length - 1);
sb.Remove(0, sb.Length);
}
break;
case ("md5sum"):
md5sum = ((BEncodedString)keypair.Value).TextBytes;
break;
default:
break; //FIXME: Log unknown values
}
}
PathValidator.Validate(path);
files.Add((path, length, md5sum, ed2k, sha1));
Size += length;
}
return(Array.AsReadOnly(TorrentFile.Create(PieceLength, files.ToArray())));
}
IList <TorrentFile> LoadTorrentFiles(BEncodedList list)
{
int endIndex;
int startIndex;
var sb = new StringBuilder(32);
var files = new List <TorrentFile> ();
foreach (BEncodedDictionary dict in list)
{
long length = 0;
string path = null;
byte[] md5sum = null;
byte[] ed2k = null;
byte[] sha1 = null;
foreach (KeyValuePair <BEncodedString, BEncodedValue> keypair in dict)
{
switch (keypair.Key.Text)
{
case ("sha1"):
sha1 = ((BEncodedString)keypair.Value).TextBytes;
break;
case ("ed2k"):
ed2k = ((BEncodedString)keypair.Value).TextBytes;
break;
case ("length"):
length = long.Parse(keypair.Value.ToString());
break;
case ("path.utf-8"):
foreach (BEncodedString str in ((BEncodedList)keypair.Value))
{
sb.Append(str.Text);
sb.Append(Path.DirectorySeparatorChar);
}
path = sb.ToString(0, sb.Length - 1);
sb.Remove(0, sb.Length);
break;
case ("path"):
if (string.IsNullOrEmpty(path))
{
foreach (BEncodedString str in ((BEncodedList)keypair.Value))
{
sb.Append(str.Text);
sb.Append(Path.DirectorySeparatorChar);
}
path = sb.ToString(0, sb.Length - 1);
sb.Remove(0, sb.Length);
}
break;
case ("md5sum"):
md5sum = ((BEncodedString)keypair.Value).TextBytes;
break;
default:
break; //FIXME: Log unknown values
}
}
// A zero length file always belongs to the same piece as the previous file
if (length == 0)
{
if (files.Count > 0)
{
startIndex = files[files.Count - 1].EndPieceIndex;
endIndex = files[files.Count - 1].EndPieceIndex;
}
else
{
startIndex = 0;
endIndex = 0;
}
}
else
{
startIndex = (int)(Size / PieceLength);
endIndex = (int)((Size + length) / PieceLength);
if ((Size + length) % PieceLength == 0)
{
endIndex--;
}
}
PathValidator.Validate(path);
files.Add(new TorrentFile(path, length, startIndex, endIndex, (int)(Size % PieceLength), md5sum, ed2k, sha1));
Size += length;
}
return(files.AsReadOnly());
}