private unsafe void ReadJsonValue <TWriteStrategy>() where TWriteStrategy : IWriteStrategy
{
int start;
JsonParserToken current = _state.CurrentTokenType;
if (current == JsonParserToken.String)
{
BlittableJsonToken stringToken;
if (typeof(TWriteStrategy) == typeof(WriteNone))
{
start = _writer.WriteValue(_state.StringBuffer, _state.StringSize, _state.EscapePositions, out stringToken, _mode, _state.CompressedSize);
}
else // WriteFull
{
if (_state.EscapePositions.Count == 0 && _state.CompressedSize == null && (_mode & UsageMode.CompressSmallStrings) == 0 && _state.StringSize < 128)
{
start = _writer.WriteValue(_state.StringBuffer, _state.StringSize);
stringToken = BlittableJsonToken.String;
}
else
{
start = _writer.WriteValue(_state.StringBuffer, _state.StringSize, _state.EscapePositions, out stringToken, _mode, _state.CompressedSize);
}
}
_state.CompressedSize = null;
_writeToken = new WriteToken(start, stringToken);
}
else if (current == JsonParserToken.Integer)
{
start = _writer.WriteValue(_state.Long);
_writeToken = new WriteToken(start, BlittableJsonToken.Integer);
}
else if (current == JsonParserToken.StartObject)
{
_modifier?.StartObject();
_continuationState.Push(new BuildingState(ContinuationState.ReadObject));
}
else if (current == JsonParserToken.Blob)
{
start = _writer.WriteValue(_state.StringBuffer, _state.StringSize);
_writeToken = new WriteToken(start, BlittableJsonToken.RawBlob);
}
else if (current != JsonParserToken.EndObject)
{
ReadJsonValueUnlikely <TWriteStrategy>(current);
}
}
public void WriteValue(bool value)
{
var currentState = _continuationState.Pop();
var valuePos = _writer.WriteValue(value);
_writeToken = new WriteToken //todo: figure out if we really need those WriteTokens
{
ValuePos = valuePos,
WrittenToken = BlittableJsonToken.Boolean
};
if (currentState.FirstWrite == -1)
{
currentState.FirstWrite = valuePos;
}
currentState = FinishWritingScalarValue(currentState);
_continuationState.Push(currentState);
}
private unsafe void ReadJsonValue()
{
int start;
switch (_state.CurrentTokenType)
{
case JsonParserToken.StartObject:
_continuationState.Push(new BuildingState
{
State = ContinuationState.ReadObject
});
return;
case JsonParserToken.StartArray:
_continuationState.Push(new BuildingState
{
State = ContinuationState.ReadArray
});
return;
case JsonParserToken.Integer:
start = _writer.WriteValue(_state.Long);
_writeToken = new WriteToken
{
ValuePos = start,
WrittenToken = BlittableJsonToken.Integer
};
return;
case JsonParserToken.Float:
if ((_mode & UsageMode.ValidateDouble) == UsageMode.ValidateDouble)
{
_reader.ValidateFloat();
}
BlittableJsonToken ignored;
start = _writer.WriteValue(_state.StringBuffer, _state.StringSize, out ignored, _mode, _state.CompressedSize);
_state.CompressedSize = null;
_writeToken = new WriteToken
{
ValuePos = start,
WrittenToken = BlittableJsonToken.Float
};
return;
case JsonParserToken.String:
BlittableJsonToken stringToken;
start = _writer.WriteValue(_state.StringBuffer, _state.StringSize, _state.EscapePositions, out stringToken, _mode, _state.CompressedSize);
_state.CompressedSize = null;
_writeToken = new WriteToken
{
ValuePos = start,
WrittenToken = stringToken
};
return;
case JsonParserToken.True:
case JsonParserToken.False:
start = _writer.WriteValue(_state.CurrentTokenType == JsonParserToken.True ? (byte)1 : (byte)0);
_writeToken = new WriteToken
{
ValuePos = start,
WrittenToken = BlittableJsonToken.Boolean
};
return;
case JsonParserToken.Null:
start = _writer.WriteValue((byte)0);
_writeToken = new WriteToken // nothing to do here, we handle that with the token
{
WrittenToken = BlittableJsonToken.Null,
ValuePos = start
};
return;
default:
throw new InvalidDataException("Expected a value, but got " + _state.CurrentTokenType);
}
}
public void WriteValue(bool value)
{
var currentState = _continuationState.Pop();
var valuePos = _writer.WriteValue(value);
_writeToken = new WriteToken
{
ValuePos = valuePos,
WrittenToken = BlittableJsonToken.Boolean
};
if (currentState.FirstWrite == -1)
currentState.FirstWrite = valuePos;
currentState = FinishWritingScalarValue(currentState);
_continuationState.Push(currentState);
}
