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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
//
//===----------------------------------------------------------------------===//
#if FOUNDATION_FRAMEWORK
internal import _ForSwiftFoundation
#if canImport(Darwin.uuid)
// Needed this for backward compatibility even though we don't use it.
import Darwin.uuid
#endif
@available(macOS 10.10, iOS 8.0, tvOS 9.0, watchOS 2.0, *)
extension UUID : ReferenceConvertible {
public typealias ReferenceType = NSUUID
@_semantics("convertToObjectiveC")
public func _bridgeToObjectiveC() -> NSUUID {
return __NSConcreteUUID(value: self)
}
public static func _forceBridgeFromObjectiveC(_ x: NSUUID, result: inout UUID?) {
if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
}
}
public static func _conditionallyBridgeFromObjectiveC(_ input: NSUUID, result: inout UUID?) -> Bool {
// Is this NSUUID already backed by a UUID?
guard let swiftInput = input as? __NSConcreteUUID else {
// Fallback to using bytes
var bytes = uuid_t(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
input.getBytes(&bytes)
result = UUID(uuid: bytes)
return true
}
result = swiftInput._storage
return true
}
@_effects(readonly)
public static func _unconditionallyBridgeFromObjectiveC(_ source: NSUUID?) -> UUID {
var result: UUID?
_forceBridgeFromObjectiveC(source!, result: &result)
return result!
}
}
@available(macOS 10.10, iOS 8.0, tvOS 9.0, watchOS 2.0, *)
extension NSUUID : _HasCustomAnyHashableRepresentation {
// Must be @nonobjc to avoid infinite recursion during bridging.
@nonobjc
public func _toCustomAnyHashable() -> AnyHashable? {
return AnyHashable(self as UUID)
}
}
@objc(__NSConcreteUUID)
internal class __NSConcreteUUID : _NSUUIDBridge, @unchecked Sendable {
final var _storage: UUID
fileprivate init(value: Foundation.UUID) {
_storage = value
super.init()
}
override public init() {
_storage = Foundation.UUID()
super.init()
}
override static var supportsSecureCoding: Bool { true }
required init?(coder: NSCoder) {
guard coder.allowsKeyedCoding else {
coder.failWithError(CocoaError(CocoaError.coderReadCorrupt, userInfo: [NSDebugDescriptionErrorKey : "Cannot be decoded without keyed coding"]))
return nil
}
var decodedByteLength = 0
let bytes = coder.decodeBytes(forKey: "NS.uuidbytes", returnedLength: &decodedByteLength)
guard let bytes else {
if NSUUID._compatibilityBehavior {
let empty = uuid_t(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
_storage = Foundation.UUID(uuid: empty)
super.init()
return
} else {
coder.failWithError(CocoaError(CocoaError.coderValueNotFound, userInfo: [NSDebugDescriptionErrorKey : "UUID bytes not found in archive"]))
return nil
}
}
guard decodedByteLength == MemoryLayout<uuid_t>.size else {
if NSUUID._compatibilityBehavior {
let empty = uuid_t(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
_storage = Foundation.UUID(uuid: empty)
super.init()
return
} else {
coder.failWithError(CocoaError(CocoaError.coderReadCorrupt, userInfo: [NSDebugDescriptionErrorKey : "UUID bytes were not the expected length"]))
return nil
}
}
let cUUID = bytes.withMemoryRebound(to: uuid_t.self, capacity: 1, { $0.pointee })
_storage = Foundation.UUID(uuid: cUUID)
super.init()
}
override func encode(with coder: NSCoder) {
_storage.withUUIDBytes { buffer in
coder.encodeBytes(buffer.baseAddress, length: buffer.count, forKey: "NS.uuidbytes")
}
}
override public init?(uuidString: String) {
guard let swiftUUID = Foundation.UUID(uuidString: uuidString) else {
if NSUUID._compatibilityBehavior {
let empty = uuid_t(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
_storage = Foundation.UUID(uuid: empty)
super.init()
return
} else {
return nil
}
}
_storage = swiftUUID
super.init()
}
override public init(uuidBytes: UnsafePointer<UInt8>?) {
let cUUID = uuidBytes?.withMemoryRebound(to: uuid_t.self, capacity: 1, {
$0.pointee
}) ?? (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
_storage = Foundation.UUID(uuid: cUUID)
super.init()
}
override open func getBytes(_ bytes: UnsafeMutablePointer<UInt8>) {
_storage.withUUIDBytes { buffer in
bytes.initialize(from: buffer.baseAddress!, count: buffer.count)
}
}
override open var uuidString: String {
@objc(UUIDString) get {
_storage.uuidString
}
}
override var description: String {
self.uuidString
}
override var debugDescription: String {
withUnsafePointer(to: self) { ptr in
"<\(Self.self) \(ptr.debugDescription)> \(self.uuidString)"
}
}
override var classForCoder: AnyClass {
return NSUUID.self
}
}
#endif
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