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 /// NativeStruct is a protocol that indicates if the struct is a native `swift` struct 20 /// since now we will be serializing native structs into the buffer. 21 public protocol NativeStruct {} 22 23 /// FlatbuffersInitializable is a protocol that allows any object to be 24 /// Initialized from a ByteBuffer 25 public protocol FlatbuffersInitializable { 26 init(_ bb: ByteBuffer, o: Int32) 27 } 28 29 /// FlatbufferObject structures all the Flatbuffers objects 30 public protocol FlatBufferObject: FlatbuffersInitializable { 31 var __buffer: ByteBuffer! { get } 32 } 33 34 public protocol ObjectAPIPacker { 35 associatedtype T packnull36 static func pack(_ builder: inout FlatBufferBuilder, obj: inout T?) -> Offset 37 static func pack(_ builder: inout FlatBufferBuilder, obj: inout T) -> Offset 38 mutating func unpack() -> T 39 } 40 41 public protocol Enum { 42 associatedtype T: Scalar 43 static var byteSize: Int { get } 44 var value: T { get } 45 } 46