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//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2017-2018 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
// MARK: _UInt24
/// A 24-bit unsigned integer value type.
@usableFromInline
struct _UInt24 {
@usableFromInline var _backing: (UInt16, UInt8)
@inlinable
init(_ value: UInt32) {
assert(value & 0xff_00_00_00 == 0, "value \(value) too large for _UInt24")
self._backing = IntegerBitPacking.unpackUInt16UInt8(value)
}
static let bitWidth: Int = 24
@usableFromInline
static let max: _UInt24 = .init((UInt32(1) << 24) - 1)
@usableFromInline
static let min: _UInt24 = .init(0)
}
extension UInt32 {
@inlinable
init(_ value: _UInt24) {
self = IntegerBitPacking.packUInt16UInt8(value._backing.0, value._backing.1)
}
}
extension Int {
@inlinable
init(_ value: _UInt24) {
self = Int(UInt32(value))
}
}
extension _UInt24: Equatable {
@inlinable
public static func ==(lhs: _UInt24, rhs: _UInt24) -> Bool {
return lhs._backing == rhs._backing
}
}
extension _UInt24: CustomStringConvertible {
@usableFromInline
var description: String {
return UInt32(self).description
}
}
// MARK: _UInt56
/// A 56-bit unsigned integer value type.
struct _UInt56 {
@usableFromInline var _backing: (UInt32, UInt16, UInt8)
@inlinable init(_ value: UInt64) {
self._backing = IntegerBitPacking.unpackUInt32UInt16UInt8(value)
}
static let bitWidth: Int = 56
private static let initializeUInt64 : UInt64 = (1 << 56) - 1
static let max: _UInt56 = .init(initializeUInt64)
static let min: _UInt56 = .init(0)
}
extension _UInt56 {
init(_ value: Int) {
self.init(UInt64(value))
}
}
extension UInt64 {
init(_ value: _UInt56) {
self = IntegerBitPacking.packUInt32UInt16UInt8(value._backing.0,
value._backing.1,
value._backing.2)
}
}
extension Int {
init(_ value: _UInt56) {
self = Int(UInt64(value))
}
}
extension _UInt56: Equatable {
@inlinable
public static func ==(lhs: _UInt56, rhs: _UInt56) -> Bool {
return lhs._backing == rhs._backing
}
}
extension _UInt56: CustomStringConvertible {
var description: String {
return UInt64(self).description
}
}
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