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 @frozen 20 public struct Struct { 21 public private(set) var bb: ByteBuffer 22 public private(set) var postion: Int32 23 24 public init(bb: ByteBuffer, position: Int32 = 0) { 25 self.bb = bb 26 postion = position 27 } 28 readBuffer<T: Scalar>null29 public func readBuffer<T: Scalar>(of type: T.Type, at o: Int32) -> T { 30 let r = bb.read(def: T.self, position: Int(o + postion)) 31 return r 32 } 33 } 34