| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See http://swift.org/LICENSE.txt for license information |
| // See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| |
| |
| import CoreFoundation |
| |
| #if os(OSX) || os(iOS) |
| internal let kCFNumberSInt8Type = CFNumberType.sInt8Type |
| internal let kCFNumberSInt16Type = CFNumberType.sInt16Type |
| internal let kCFNumberSInt32Type = CFNumberType.sInt32Type |
| internal let kCFNumberSInt64Type = CFNumberType.sInt64Type |
| internal let kCFNumberFloat32Type = CFNumberType.float32Type |
| internal let kCFNumberFloat64Type = CFNumberType.float64Type |
| internal let kCFNumberCharType = CFNumberType.charType |
| internal let kCFNumberShortType = CFNumberType.shortType |
| internal let kCFNumberIntType = CFNumberType.intType |
| internal let kCFNumberLongType = CFNumberType.longType |
| internal let kCFNumberLongLongType = CFNumberType.longLongType |
| internal let kCFNumberFloatType = CFNumberType.floatType |
| internal let kCFNumberDoubleType = CFNumberType.doubleType |
| internal let kCFNumberCFIndexType = CFNumberType.cfIndexType |
| internal let kCFNumberNSIntegerType = CFNumberType.nsIntegerType |
| internal let kCFNumberCGFloatType = CFNumberType.cgFloatType |
| #endif |
| |
| extension Int : _ObjectTypeBridgeable { |
| public init(_ number: NSNumber) { |
| self = number.intValue |
| } |
| |
| public func _bridgeToObject() -> NSNumber { |
| return NSNumber(value: self) |
| } |
| |
| public static func _forceBridgeFromObject(_ x: NSNumber, result: inout Int?) { |
| result = x.intValue |
| } |
| |
| public static func _conditionallyBridgeFromObject(_ x: NSNumber, result: inout Int?) -> Bool { |
| self._forceBridgeFromObject(x, result: &result) |
| return true |
| } |
| } |
| |
| extension UInt : _ObjectTypeBridgeable { |
| public init(_ number: NSNumber) { |
| self = number.uintValue |
| } |
| |
| public func _bridgeToObject() -> NSNumber { |
| return NSNumber(value: self) |
| } |
| |
| public static func _forceBridgeFromObject(_ x: NSNumber, result: inout UInt?) { |
| result = x.uintValue |
| } |
| public static func _conditionallyBridgeFromObject(_ x: NSNumber, result: inout UInt?) -> Bool { |
| _forceBridgeFromObject(x, result: &result) |
| return true |
| } |
| } |
| |
| extension Float : _ObjectTypeBridgeable { |
| public init(_ number: NSNumber) { |
| self = number.floatValue |
| } |
| |
| public func _bridgeToObject() -> NSNumber { |
| return NSNumber(value: self) |
| } |
| |
| public static func _forceBridgeFromObject(_ x: NSNumber, result: inout Float?) { |
| result = x.floatValue |
| } |
| |
| public static func _conditionallyBridgeFromObject(_ x: NSNumber, result: inout Float?) -> Bool { |
| _forceBridgeFromObject(x, result: &result) |
| return true |
| } |
| } |
| |
| extension Double : _ObjectTypeBridgeable { |
| public init(_ number: NSNumber) { |
| self = number.doubleValue |
| } |
| |
| public func _bridgeToObject() -> NSNumber { |
| return NSNumber(value: self) |
| } |
| |
| public static func _forceBridgeFromObject(_ x: NSNumber, result: inout Double?) { |
| result = x.doubleValue |
| } |
| |
| public static func _conditionallyBridgeFromObject(_ x: NSNumber, result: inout Double?) -> Bool { |
| _forceBridgeFromObject(x, result: &result) |
| return true |
| } |
| } |
| |
| extension Bool : _ObjectTypeBridgeable { |
| public init(_ number: NSNumber) { |
| self = number.boolValue |
| } |
| |
| public func _bridgeToObject() -> NSNumber { |
| return NSNumber(value: self) |
| } |
| |
| public static func _forceBridgeFromObject(_ x: NSNumber, result: inout Bool?) { |
| result = x.boolValue |
| } |
| |
| public static func _conditionallyBridgeFromObject(_ x: NSNumber, result: inout Bool?) -> Bool { |
| _forceBridgeFromObject(x, result: &result) |
| return true |
| } |
| } |
| |
| extension Bool : _CFBridgable { |
| typealias CFType = CFBoolean |
| var _cfObject: CFType { |
| return self ? kCFBooleanTrue : kCFBooleanFalse |
| } |
| } |
| |
| extension NSNumber : ExpressibleByFloatLiteral, ExpressibleByIntegerLiteral, ExpressibleByBooleanLiteral { |
| |
| } |
| |
| public class NSNumber : NSValue { |
| typealias CFType = CFNumber |
| // This layout MUST be the same as CFNumber so that they are bridgeable |
| private var _base = _CFInfo(typeID: CFNumberGetTypeID()) |
| private var _pad: UInt64 = 0 |
| |
| internal var _cfObject: CFType { |
| return unsafeBitCast(self, to: CFType.self) |
| } |
| |
| public override var hash: Int { |
| return Int(bitPattern: CFHash(_cfObject)) |
| } |
| |
| public override func isEqual(_ object: AnyObject?) -> Bool { |
| if let number = object as? NSNumber { |
| return CFEqual(_cfObject, number._cfObject) |
| } else { |
| return false |
| } |
| } |
| |
| deinit { |
| _CFDeinit(self) |
| } |
| |
| public init(value: Int8) { |
| super.init() |
| _CFNumberInitInt8(_cfObject, value) |
| } |
| |
| public init(value: UInt8) { |
| super.init() |
| _CFNumberInitUInt8(_cfObject, value) |
| } |
| |
| public init(value: Int16) { |
| super.init() |
| _CFNumberInitInt16(_cfObject, value) |
| } |
| |
| public init(value: UInt16) { |
| super.init() |
| _CFNumberInitUInt16(_cfObject, value) |
| } |
| |
| public init(value: Int32) { |
| super.init() |
| _CFNumberInitInt32(_cfObject, value) |
| } |
| |
| public init(value: UInt32) { |
| super.init() |
| _CFNumberInitUInt32(_cfObject, value) |
| } |
| |
| public init(value: Int) { |
| super.init() |
| _CFNumberInitInt(_cfObject, value) |
| } |
| |
| public init(value: UInt) { |
| super.init() |
| _CFNumberInitUInt(_cfObject, value) |
| } |
| |
| public init(value: Int64) { |
| super.init() |
| _CFNumberInitInt64(_cfObject, value) |
| } |
| |
| public init(value: UInt64) { |
| super.init() |
| _CFNumberInitUInt64(_cfObject, value) |
| } |
| |
| public init(value: Float) { |
| super.init() |
| _CFNumberInitFloat(_cfObject, value) |
| } |
| |
| public init(value: Double) { |
| super.init() |
| _CFNumberInitDouble(_cfObject, value) |
| } |
| |
| public init(value: Bool) { |
| super.init() |
| _CFNumberInitBool(_cfObject, value) |
| } |
| |
| public required convenience init(bytes buffer: UnsafeRawPointer, objCType: UnsafePointer<Int8>) { |
| guard let type = _NSSimpleObjCType(UInt8(objCType.pointee)) else { |
| fatalError("NSNumber.init: unsupported type encoding spec '\(String(cString: objCType))'") |
| } |
| switch type { |
| case .Bool: |
| self.init(value:buffer.load(as: Bool.self)) |
| break |
| case .Char: |
| self.init(value:buffer.load(as: Int8.self)) |
| break |
| case .UChar: |
| self.init(value:buffer.load(as: UInt8.self)) |
| break |
| case .Short: |
| self.init(value:buffer.load(as: Int16.self)) |
| break |
| case .UShort: |
| self.init(value:buffer.load(as: UInt16.self)) |
| break |
| case .Int, .Long: |
| self.init(value:buffer.load(as: Int32.self)) |
| break |
| case .UInt, .ULong: |
| self.init(value:buffer.load(as: UInt32.self)) |
| break |
| case .LongLong: |
| self.init(value:buffer.load(as: Int64.self)) |
| break |
| case .ULongLong: |
| self.init(value:buffer.load(as: UInt64.self)) |
| break |
| case .Float: |
| self.init(value:buffer.load(as: Float.self)) |
| break |
| case .Double: |
| self.init(value:buffer.load(as: Double.self)) |
| break |
| default: |
| fatalError("NSNumber.init: unsupported type encoding spec '\(String(cString: objCType))'") |
| break |
| } |
| } |
| |
| public required convenience init?(coder aDecoder: NSCoder) { |
| if !aDecoder.allowsKeyedCoding { |
| var objCType: UnsafeMutablePointer<Int8>? = nil |
| withUnsafeMutablePointer(to: &objCType, { (ptr: UnsafeMutablePointer<UnsafeMutablePointer<Int8>?>) -> Void in |
| aDecoder.decodeValue(ofObjCType: String(_NSSimpleObjCType.CharPtr), at: UnsafeMutableRawPointer(ptr)) |
| }) |
| if objCType == nil { |
| return nil |
| } |
| var size: Int = 0 |
| let _ = NSGetSizeAndAlignment(objCType!, &size, nil) |
| let buffer = malloc(size)! |
| aDecoder.decodeValue(ofObjCType: objCType!, at: buffer) |
| self.init(bytes: buffer, objCType: objCType!) |
| free(buffer) |
| } else if aDecoder.dynamicType == NSKeyedUnarchiver.self || aDecoder.containsValue(forKey: "NS.number") { |
| let number = aDecoder._decodePropertyListForKey("NS.number") |
| if let val = number as? Double { |
| self.init(value:val) |
| } else if let val = number as? Int { |
| self.init(value:val) |
| } else if let val = number as? Bool { |
| self.init(value:val) |
| } else { |
| return nil |
| } |
| } else { |
| if aDecoder.containsValue(forKey: "NS.boolval") { |
| self.init(value: aDecoder.decodeBool(forKey: "NS.boolval")) |
| } else if aDecoder.containsValue(forKey: "NS.intval") { |
| self.init(value: aDecoder.decodeInt64(forKey: "NS.intval")) |
| } else if aDecoder.containsValue(forKey: "NS.dblval") { |
| self.init(value: aDecoder.decodeDouble(forKey: "NS.dblval")) |
| } else { |
| return nil |
| } |
| } |
| } |
| |
| public var int8Value: Int8 { |
| var val: Int8 = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<Int8>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberCharType, value) |
| } |
| return val |
| } |
| |
| public var uint8Value: UInt8 { |
| var val: UInt8 = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<UInt8>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberCharType, value) |
| } |
| return val |
| } |
| |
| public var int16Value: Int16 { |
| var val: Int16 = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<Int16>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberShortType, value) |
| } |
| return val |
| } |
| |
| public var uint16Value: UInt16 { |
| var val: UInt16 = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<UInt16>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberShortType, value) |
| } |
| return val |
| } |
| |
| public var int32Value: Int32 { |
| var val: Int32 = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<Int32>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberIntType, value) |
| } |
| return val |
| } |
| |
| public var uint32Value: UInt32 { |
| var val: UInt32 = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<UInt32>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberIntType, value) |
| } |
| return val |
| } |
| |
| public var int64Value: Int64 { |
| var val: Int64 = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<Int64>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberLongLongType, value) |
| } |
| return val |
| } |
| |
| public var uint64Value: UInt64 { |
| var val: UInt64 = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<UInt64>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberLongLongType, value) |
| } |
| return val |
| } |
| |
| public var floatValue: Float { |
| var val: Float = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<Float>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberFloatType, value) |
| } |
| return val |
| } |
| |
| public var doubleValue: Double { |
| var val: Double = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<Double>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberDoubleType, value) |
| } |
| return val |
| } |
| |
| public var boolValue: Bool { |
| return int64Value != 0 |
| } |
| |
| public var intValue: Int { |
| var val: Int = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<Int>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberLongType, value) |
| } |
| return val |
| } |
| |
| public var uintValue: UInt { |
| var val: UInt = 0 |
| withUnsafeMutablePointer(to: &val) { (value: UnsafeMutablePointer<UInt>) -> Void in |
| CFNumberGetValue(_cfObject, kCFNumberLongType, value) |
| } |
| return val |
| } |
| |
| public var stringValue: String { |
| return description(withLocale: nil) |
| } |
| |
| /// Create an instance initialized to `value`. |
| public required convenience init(integerLiteral value: Int) { |
| self.init(value: value) |
| } |
| |
| /// Create an instance initialized to `value`. |
| public required convenience init(floatLiteral value: Double) { |
| self.init(value: value) |
| } |
| |
| /// Create an instance initialized to `value`. |
| public required convenience init(booleanLiteral value: Bool) { |
| self.init(value: value) |
| } |
| |
| public func compare(_ otherNumber: NSNumber) -> ComparisonResult { |
| return ._fromCF(CFNumberCompare(_cfObject, otherNumber._cfObject, nil)) |
| } |
| |
| public func description(withLocale locale: AnyObject?) -> String { |
| let aLocale = locale |
| let formatter: CFNumberFormatter |
| if (aLocale == nil) { |
| formatter = CFNumberFormatterCreate(nil, CFLocaleCopyCurrent(), kCFNumberFormatterNoStyle) |
| CFNumberFormatterSetProperty(formatter, kCFNumberFormatterMaxFractionDigits, 15._bridgeToObject()) |
| |
| } else { |
| formatter = CFNumberFormatterCreate(nil, (aLocale as! Locale)._cfObject, kCFNumberFormatterDecimalStyle) |
| } |
| return CFNumberFormatterCreateStringWithNumber(nil, formatter, self._cfObject)._swiftObject |
| } |
| |
| override public var _cfTypeID: CFTypeID { |
| return CFNumberGetTypeID() |
| } |
| |
| public override var description: String { |
| return description(withLocale: nil) |
| } |
| } |
| |
| extension CFNumber : _NSBridgable { |
| typealias NSType = NSNumber |
| internal var _nsObject: NSType { return unsafeBitCast(self, to: NSType.self) } |
| } |
| |
| extension NSNumber : CustomPlaygroundQuickLookable { |
| public var customPlaygroundQuickLook: PlaygroundQuickLook { |
| let type = CFNumberGetType(_cfObject) |
| switch type { |
| case kCFNumberCharType: |
| fallthrough |
| case kCFNumberSInt16Type: |
| fallthrough |
| case kCFNumberSInt32Type: |
| fallthrough |
| case kCFNumberSInt64Type: |
| fallthrough |
| case kCFNumberCharType: |
| fallthrough |
| case kCFNumberShortType: |
| fallthrough |
| case kCFNumberIntType: |
| fallthrough |
| case kCFNumberLongType: |
| fallthrough |
| case kCFNumberCFIndexType: |
| fallthrough |
| case kCFNumberNSIntegerType: |
| fallthrough |
| case kCFNumberLongLongType: |
| return .int(self.int64Value) |
| case kCFNumberFloat32Type: |
| fallthrough |
| case kCFNumberFloatType: |
| return .float(self.floatValue) |
| case kCFNumberFloat64Type: |
| fallthrough |
| case kCFNumberDoubleType: |
| return .double(self.doubleValue) |
| case kCFNumberCGFloatType: |
| if sizeof(CGFloat.self) == sizeof(Float32.self) { |
| return .float(self.floatValue) |
| } else { |
| return .double(self.doubleValue) |
| } |
| default: |
| return .text("invalid NSNumber") |
| } |
| } |
| } |