internal BsonValue Serialize(Type type, object obj, int depth) { if (++depth > MAX_DEPTH) { throw LiteException.DocumentMaxDepth(MAX_DEPTH, type); } if (obj == null) { return(BsonValue.Null); } Func <object, BsonValue> custom; // if is already a bson value if (obj is BsonValue) { return(new BsonValue((BsonValue)obj)); } // test string - mapper has some special options else if (obj is String) { var str = TrimWhitespace ? (obj as String).Trim() : (String)obj; if (EmptyStringToNull && str.Length == 0) { return(BsonValue.Null); } else { return(new BsonValue(str)); } } // basic Bson data types (cast datatype for better performance optimization) else if (obj is Int32) { return(new BsonValue((Int32)obj)); } else if (obj is Int64) { return(new BsonValue((Int64)obj)); } else if (obj is Double) { return(new BsonValue((Double)obj)); } else if (obj is Decimal) { return(new BsonValue((Decimal)obj)); } else if (obj is Byte[]) { return(new BsonValue((Byte[])obj)); } else if (obj is ObjectId) { return(new BsonValue((ObjectId)obj)); } else if (obj is Guid) { return(new BsonValue((Guid)obj)); } else if (obj is Boolean) { return(new BsonValue((Boolean)obj)); } else if (obj is DateTime) { return(new BsonValue((DateTime)obj)); } // basic .net type to convert to bson else if (obj is Int16 || obj is UInt16 || obj is Byte || obj is SByte) { return(new BsonValue(Convert.ToInt32(obj))); } else if (obj is UInt32) { return(new BsonValue(Convert.ToInt64(obj))); } else if (obj is UInt64) { var ulng = ((UInt64)obj); var lng = unchecked ((Int64)ulng); return(new BsonValue(lng)); } else if (obj is Single) { return(new BsonValue(Convert.ToDouble(obj))); } else if (obj is Char || obj is Enum) { return(new BsonValue(obj.ToString())); } // check if is a custom type else if (_customSerializer.TryGetValue(type, out custom) || _customSerializer.TryGetValue(obj.GetType(), out custom)) { return(custom(obj)); } // for dictionary else if (obj is IDictionary) { // when you are converting Dictionary<string, object> if (type == typeof(object)) { type = obj.GetType(); } var itemType = TypeInfoExtensions.GetTypeInfo(type).GetGenericArguments()[1]; return(SerializeDictionary(itemType, obj as IDictionary, depth)); } // check if is a list or array else if (obj is IEnumerable) { return(SerializeArray(Reflection.GetListItemType(obj.GetType()), obj as IEnumerable, depth)); } // otherwise serialize as a plain object else { return(SerializeObject(type, obj, depth)); } }