protected override IEnumerator <DeserializeRequest> Deserialize(EasyReader input)
{
input.ReadInt32(out _count);
input.ReadBoolean(out _weighted);
if (_weighted)
{
// Read constant weights
if (input.ReadBoolean())
{
input.ReadDouble(out _constantWeightSum);
_weights = new double[_count];
for (int i = 0; i < _count; i++)
{
input.ReadDouble(out _weights[i]);
}
}
// Read dynamic weights
int numDW = input.ReadInt32();
if (numDW > 0)
{
_dynamicWeights = new List <_ <int, RST> >(numDW);
for (int i = 0; i < numDW; i++)
{
int index = input.ReadInt32();
var request = new DeserializeRequest();
yield return(request);
_dynamicWeights.Add(new _ <int, RST>(index, request.Result));
}
}
}
// Read elements
_elements = new List <RST>(_count);
for (int i = 0; i < _count; i++)
{
var request = new DeserializeRequest();
yield return(request);
_elements.Add(request.Result);
}
}
private static BsonItem ReadItem(byte code, BsonDocument document, EasyReader reader)
{
object val = null;
switch (code)
{
case 0x01: // double
val = reader.ReadDouble();
break;
case 0x02: // string
val = reader.ReadString(Encoding.UTF8).TrimEnd('\x00');
if (document.StringTableMode == BsonStringTableMode.KeysAndValues)
val = document.ReverseStringTable[int.Parse((string)val)];
break;
case 0x03: // document
val = Read(reader, document).Top;
break;
case 0x04: // array
val = Read(reader, document, true).Top;
break;
case 0x05: // binary
var length = reader.ReadInt32();
var subtype = reader.ReadByte();
if (subtype != 0x00)
throw new NotSupportedException("BSON subtypes other than 'generic binary data' are not supported.");
val = reader.ReadBytes(length);
break;
case 0x06: // undefined
break;
case 0x07: // ObjectId
// why does this parser support ObjectIds and not other binary data?
// shhhhh
val = Encoding.ASCII.GetString(reader.ReadBytes(12));
break;
case 0x08: // boolean
val = reader.ReadBoolean();
break;
case 0x09: // UTC datetime
val = reader.ReadInt64();
break;
case 0x0A: // null
break;
case 0x0B: // regex
// why are you using regex in a Rant package?
throw new NotSupportedException("Regular expressions are not supported.");
case 0x0C: // db pointer
throw new NotSupportedException("DB pointers are not supported.");
case 0x0D: // Javascript code
case 0x0F: // JS code with scope
throw new NotSupportedException("Javascript in BSON is not supported.");
case 0x0E: // depreceated
val = reader.ReadString(Encoding.UTF8);
break;
case 0x10: // 32 bit integer
val = reader.ReadInt32();
break;
case 0x11: // timestamp
case 0x12: // 64 bit integer
val = reader.ReadInt64();
break;
case 0xFF: // min key
case 0x7F: // max key
// we don't care about these so let's just skip em
break;
}
if (!(val is BsonItem))
return new BsonItem(val) { Type = code };
var i = (BsonItem)val;
i.Type = code;
return i;
}
private static BsonItem ReadItem(byte code, BsonDocument document, EasyReader reader)
{
object val = null;
switch (code)
{
case 0x01: // double
val = reader.ReadDouble();
break;
case 0x02: // string
val = reader.ReadString(Encoding.UTF8).TrimEnd('\x00');
if (document.StringTableMode == BsonStringTableMode.KeysAndValues)
{
val = document.ReverseStringTable[int.Parse((string)val)];
}
break;
case 0x03: // document
val = Read(reader, document).Top;
break;
case 0x04: // array
val = Read(reader, document, true).Top;
break;
case 0x05: // binary
var length = reader.ReadInt32();
var subtype = reader.ReadByte();
if (subtype != 0x00)
{
throw new NotSupportedException("BSON subtypes other than 'generic binary data' are not supported.");
}
val = reader.ReadBytes(length);
break;
case 0x06: // undefined
break;
case 0x07: // ObjectId
// why does this parser support ObjectIds and not other binary data?
// shhhhh
val = Encoding.ASCII.GetString(reader.ReadBytes(12));
break;
case 0x08: // boolean
val = reader.ReadBoolean();
break;
case 0x09: // UTC datetime
val = reader.ReadInt64();
break;
case 0x0A: // null
break;
case 0x0B: // regex
// why are you using regex in a Rant package?
throw new NotSupportedException("Regular expressions are not supported.");
case 0x0C: // db pointer
throw new NotSupportedException("DB pointers are not supported.");
case 0x0D: // Javascript code
case 0x0F: // JS code with scope
throw new NotSupportedException("Javascript in BSON is not supported.");
case 0x0E: // depreceated
val = reader.ReadString(Encoding.UTF8);
break;
case 0x10: // 32 bit integer
val = reader.ReadInt32();
break;
case 0x11: // timestamp
case 0x12: // 64 bit integer
val = reader.ReadInt64();
break;
case 0xFF: // min key
case 0x7F: // max key
// we don't care about these so let's just skip em
break;
}
if (!(val is BsonItem))
{
return new BsonItem(val)
{
Type = code
}
}
;
var i = (BsonItem)val;
i.Type = code;
return(i);
}
}