1 /* 2 * Copyright 2021 Google Inc. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 import Foundation 18 19 public protocol NativeObject {} 20 21 extension NativeObject { 22 23 /// Serialize is a helper function that serailizes the data from the Object API to a bytebuffer directly th 24 /// - Parameter type: Type of the Flatbuffer object 25 /// - Returns: returns the encoded sized ByteBuffer serialize<T: ObjectAPIPacker>null26 public func serialize<T: ObjectAPIPacker>(type: T.Type) -> ByteBuffer where T.T == Self { 27 var builder = FlatBufferBuilder(initialSize: 1024) 28 return serialize(builder: &builder, type: type.self) 29 } 30 31 /// Serialize is a helper function that serailizes the data from the Object API to a bytebuffer directly. 32 /// 33 /// - Parameters: 34 /// - builder: A FlatBufferBuilder 35 /// - type: Type of the Flatbuffer object 36 /// - Returns: returns the encoded sized ByteBuffer 37 /// - Note: The `serialize(builder:type)` can be considered as a function that allows you to create smaller builder instead of the default `1024`. 38 /// It can be considered less expensive in terms of memory allocation serialize<T: ObjectAPIPacker>null39 public func serialize<T: ObjectAPIPacker>(builder: inout FlatBufferBuilder, type: T.Type) -> ByteBuffer where T.T == Self { 40 var s = self 41 let root = type.pack(&builder, obj: &s) 42 builder.finish(offset: root) 43 return builder.sizedBuffer 44 } 45 } 46