public BTItem ReadDictionary(FileStream sr)
{
BTDictionary d = new BTDictionary();
for (;;)
{
BTItem next = this.ReadNext(sr);
if ((next.Type == BTChunk.kListOrDictionaryEnd) || (next.Type == BTChunk.kBTEOF))
return d;
if (next.Type != BTChunk.kString)
{
BTError e = new BTError();
e.Message = "Didn't get string as first of pair in dictionary";
return e;
}
BTDictionaryItem di = new BTDictionaryItem
{
Key = ((BTString)next).AsString(),
Data = this.ReadNext(sr)
};
d.Items.Add(di);
}
}
public BTItem ReadDictionary(System.IO.FileStream sr)
{
BTDictionary d = new BTDictionary();
for (;;)
{
BTItem next = ReadNext(sr);
if ((next.Type == BTChunk.kListOrDictionaryEnd) || (next.Type == BTChunk.kBTEOF))
{
return(d);
}
if (next.Type != BTChunk.kString)
{
BTError e = new BTError();
e.Message = "Didn't get string as first of pair in dictionary";
return(e);
}
BTDictionaryItem di = new BTDictionaryItem
{
Key = ((BTString)next).AsString(),
Data = ReadNext(sr)
};
d.Items.Add(di);
}
}
public BTItem ReadNext(System.IO.FileStream sr)
{
if (sr.Length == sr.Position)
{
return(new BTEOF());
}
// Read the next character from the stream to see what is next
int c = sr.ReadByte();
if (c == 'd')
{
return(ReadDictionary(sr)); // dictionary
}
if (c == 'l')
{
return(ReadList(sr)); // list
}
if (c == 'i')
{
return(ReadInt(sr)); // integer
}
if (c == 'e')
{
return(new BTListOrDictionaryEnd()); // end of list/dictionary/etc.
}
if ((c >= '0') && (c <= '9')) // digits mean it is a string of the specified length
{
string r = Convert.ToString(c - '0');
while ((c = sr.ReadByte()) != ':')
{
r += Convert.ToString(c - '0');
}
return(ReadString(sr, Convert.ToInt32(r)));
}
BTError e = new BTError
{
Message = $"Error: unknown BEncode item type: {c}"
};
return(e);
}
public BTItem ReadNext(FileStream sr)
{
if (sr.Length == sr.Position)
return new BTEOF();
// Read the next character from the stream to see what is next
int c = sr.ReadByte();
if (c == 'd')
return this.ReadDictionary(sr); // dictionary
if (c == 'l')
return this.ReadList(sr); // list
if (c == 'i')
return this.ReadInt(sr); // integer
if (c == 'e')
return new BTListOrDictionaryEnd(); // end of list/dictionary/etc.
if ((c >= '0') && (c <= '9')) // digits mean it is a string of the specified length
{
string r = Convert.ToString(c - '0');
while ((c = sr.ReadByte()) != ':')
r += Convert.ToString(c - '0');
return this.ReadString(sr, Convert.ToInt32(r));
}
BTError e = new BTError {
Message = String.Concat("Error: unknown BEncode item type: ", c)
};
return e;
}