internal static bool TryDecode(BinaryReader reader, Encoding encoding, out BEncodedList bencodedList)
{
try
{
bencodedList = Decode(reader, encoding);
}
catch (Exception e)
{
bencodedList = null;
return false;
}
return true;
}
public static bool TryDecode(Stream value, Encoding encoding, out BEncodedList bencodedList)
{
try
{
bencodedList = Decode(value, encoding);
}
catch (Exception e)
{
bencodedList = null;
return false;
}
return true;
}
internal static BEncodedList Decode(BinaryReader reader, Encoding encoding)
{
if (encoding == null) throw new ArgumentNullException("encoding");
if (!reader.BaseStream.CanSeek) throw new NotSupportedException("Cannot decode non-seekable streams");
IBEncodedValue value;
BEncodedList list = new BEncodedList(encoding);
char peekChar = (char)reader.PeekChar();
if (peekChar == BEncodingSettings.ListStart)
{
reader.ReadChar();
peekChar = (char)reader.PeekChar();
while (peekChar != BEncodingSettings.ListEnd)
{
try
{
switch (peekChar)
{
case BEncodingSettings.DictionaryStart:
value = BEncodedDictionary.Decode(reader, (Encoding)encoding.Clone());
break;
case BEncodingSettings.ListStart:
value = BEncodedList.Decode(reader, (Encoding)encoding.Clone());
break;
case BEncodingSettings.IntegerStart:
value = BEncodedInteger.Decode(reader);
break;
default:
if (Array.IndexOf(BEncodingSettings.NumericMask, peekChar) != -1)
{
value = BEncodedString.Decode(reader, (Encoding)encoding.Clone());
}
else
{
throw BEncodedFormatDecodeException.CreateTraced("Expected integer value", reader.BaseStream);
}
break;
}
}
catch (Exception e)
{
throw e;
}
list.Add(value);
peekChar = (char)reader.PeekChar();
}
reader.ReadChar();
return list;
}
else
{
throw BEncodedFormatDecodeException.CreateTraced("Expected list start token", reader.BaseStream);
}
}
public static bool TryDecode(byte[] value, out BEncodedList bencodedList)
{
try
{
bencodedList = Decode(value, BEncodingSettings.DefaultEncoding);
}
catch (Exception e)
{
bencodedList = null;
return false;
}
return true;
}