mirror of
https://github.com/google/flatbuffers.git
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e6bbb3d22e
* Migrate to swift 6.0 & swift-gRPC 2.0 The following migrates to swift 6.0, and also migrate to swift-grpc 2.0 that uses swift-nio under the hood to provide nicer API and async await Adds sendable to enum & update @_implementationOnly imports to use internal imports * Address PR comments regarding misspelling & proper method naming.
78 lines
1.9 KiB
Swift
78 lines
1.9 KiB
Swift
/*
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* Copyright 2024 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import Foundation
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public struct FlatbufferVector<
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Element: FlatbuffersVectorInitializable
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>: RandomAccessCollection {
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public typealias Element = Element
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public typealias Index = Int
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private let bb: ByteBuffer
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private let byteSize: Int
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private let startPosition: Int32
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public let count: Int
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init(
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bb: ByteBuffer,
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startPosition: Int32,
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count: Int,
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byteSize: Int)
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{
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self.bb = bb
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self.byteSize = byteSize
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self.count = count
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self.startPosition = startPosition
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}
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public var startIndex: Int {
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0
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}
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public var endIndex: Int {
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count
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}
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public var isEmpty: Bool {
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count == 0
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}
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public subscript(position: Int) -> Element {
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guard position < count else {
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fatalError(
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"Trying to read element at index \(position) in a vector of size \(count)")
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}
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let index = startPosition &+ Int32(position &* byteSize)
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return Element.readFrom(byteBuffer: bb, index: Int(index))
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}
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public func index(after i: Int) -> Int {
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guard i < count else { return count }
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return i &+ 1
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}
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}
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extension FlatbufferVector: Encodable where Element: Encodable {
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public func encode(to encoder: any Encoder) throws {
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var container = encoder.unkeyedContainer()
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for element in self {
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try container.encode(element)
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}
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}
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}
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