Newtonsoft.Json.Bson.BsonReader.ReadCodeWScope C# (CSharp) Méthode

        private bool ReadCodeWScope()
        {
            switch (_bsonReaderState)
            {
                case BsonReaderState.CodeWScopeStart:
                    SetToken(JsonToken.PropertyName, "$code");
                    _bsonReaderState = BsonReaderState.CodeWScopeCode;
                    return true;
                case BsonReaderState.CodeWScopeCode:
                    // total CodeWScope size - not used
                    ReadInt32();

                    SetToken(JsonToken.String, ReadLengthString());
                    _bsonReaderState = BsonReaderState.CodeWScopeScope;
                    return true;
                case BsonReaderState.CodeWScopeScope:
                    if (CurrentState == State.PostValue)
                    {
                        SetToken(JsonToken.PropertyName, "$scope");
                        return true;
                    }
                    else
                    {
                        SetToken(JsonToken.StartObject);
                        _bsonReaderState = BsonReaderState.CodeWScopeScopeObject;

                        ContainerContext newContext = new ContainerContext(BsonType.Object);
                        PushContext(newContext);
                        newContext.Length = ReadInt32();

                        return true;
                    }
                case BsonReaderState.CodeWScopeScopeObject:
                    bool result = ReadNormal();
                    if (result && TokenType == JsonToken.EndObject)
                    {
                        _bsonReaderState = BsonReaderState.CodeWScopeScopeEnd;
                    }

                    return result;
                case BsonReaderState.CodeWScopeScopeEnd:
                    SetToken(JsonToken.EndObject);
                    _bsonReaderState = BsonReaderState.Normal;
                    return true;
                default:
                    throw new ArgumentOutOfRangeException();
            }
        }