| // 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 |
| |
| // Re-export Darwin and Glibc by importing Foundation |
| // This mimics the behavior of the swift sdk overlay on Darwin |
| #if os(OSX) || os(iOS) |
| @_exported import Darwin |
| #elseif os(Linux) || os(Android) || CYGWIN |
| @_exported import Glibc |
| #endif |
| |
| #if os(Android) // shim required for bzero |
| @_transparent func bzero(_ ptr: UnsafeMutableRawPointer, _ size: size_t) { |
| memset(ptr, 0, size) |
| } |
| #endif |
| |
| public typealias ObjCBool = Bool |
| |
| internal class __NSCFType : NSObject { |
| private var _cfinfo : Int32 |
| |
| override init() { |
| // This is not actually called; _CFRuntimeCreateInstance will initialize _cfinfo |
| _cfinfo = 0 |
| } |
| |
| override var hash: Int { |
| return Int(bitPattern: CFHash(self)) |
| } |
| |
| override func isEqual(_ value: Any?) -> Bool { |
| guard let other = value as? NSObject else { return false } |
| return CFEqual(self, other) |
| } |
| |
| override var description: String { |
| return CFCopyDescription(unsafeBitCast(self, to: CFTypeRef.self))._swiftObject |
| } |
| |
| deinit { |
| _CFDeinit(self) |
| } |
| } |
| |
| |
| internal func _CFSwiftGetTypeID(_ cf: AnyObject) -> CFTypeID { |
| return (cf as! NSObject)._cfTypeID |
| } |
| |
| |
| |
| internal func _CFSwiftCopyWithZone(_ cf: CFTypeRef, _ zone: CFTypeRef?) -> Unmanaged<CFTypeRef> { |
| return Unmanaged<CFTypeRef>.passRetained((cf as! NSObject).copy() as! NSObject) |
| } |
| |
| |
| internal func _CFSwiftGetHash(_ cf: AnyObject) -> CFHashCode { |
| return CFHashCode(bitPattern: (cf as! NSObject).hash) |
| } |
| |
| |
| internal func _CFSwiftIsEqual(_ cf1: AnyObject, cf2: AnyObject) -> Bool { |
| return (cf1 as! NSObject).isEqual(cf2) |
| } |
| |
| // Ivars in _NSCF* types must be zeroed via an unsafe accessor to avoid deinit of potentially unsafe memory to accces as an object/struct etc since it is stored via a foreign object graph |
| internal func _CFZeroUnsafeIvars<T>(_ arg: inout T) { |
| withUnsafeMutablePointer(to: &arg) { (ptr: UnsafeMutablePointer<T>) -> Void in |
| bzero(UnsafeMutableRawPointer(ptr), MemoryLayout<T>.size) |
| } |
| } |
| |
| @_cdecl("__CFSwiftGetBaseClass") |
| internal func __CFSwiftGetBaseClass() -> UnsafeRawPointer { |
| return unsafeBitCast(__NSCFType.self, to:UnsafeRawPointer.self) |
| } |
| |
| @_cdecl("__CFInitializeSwift") |
| internal func __CFInitializeSwift() { |
| |
| _CFRuntimeBridgeTypeToClass(CFStringGetTypeID(), unsafeBitCast(_NSCFString.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFArrayGetTypeID(), unsafeBitCast(_NSCFArray.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFDictionaryGetTypeID(), unsafeBitCast(_NSCFDictionary.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFSetGetTypeID(), unsafeBitCast(_NSCFSet.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFBooleanGetTypeID(), unsafeBitCast(__NSCFBoolean.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFNumberGetTypeID(), unsafeBitCast(NSNumber.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFDataGetTypeID(), unsafeBitCast(NSData.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFDateGetTypeID(), unsafeBitCast(NSDate.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFURLGetTypeID(), unsafeBitCast(NSURL.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFCalendarGetTypeID(), unsafeBitCast(NSCalendar.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFLocaleGetTypeID(), unsafeBitCast(NSLocale.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFTimeZoneGetTypeID(), unsafeBitCast(NSTimeZone.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFCharacterSetGetTypeID(), unsafeBitCast(_NSCFCharacterSet.self, to: UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(_CFKeyedArchiverUIDGetTypeID(), unsafeBitCast(_NSKeyedArchiverUID.self, to: UnsafeRawPointer.self)) |
| |
| // _CFRuntimeBridgeTypeToClass(CFErrorGetTypeID(), unsafeBitCast(NSError.self, UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFAttributedStringGetTypeID(), unsafeBitCast(NSMutableAttributedString.self, to: UnsafeRawPointer.self)) |
| // _CFRuntimeBridgeTypeToClass(CFReadStreamGetTypeID(), unsafeBitCast(InputStream.self, UnsafeRawPointer.self)) |
| // _CFRuntimeBridgeTypeToClass(CFWriteStreamGetTypeID(), unsafeBitCast(OutputStream.self, UnsafeRawPointer.self)) |
| _CFRuntimeBridgeTypeToClass(CFRunLoopTimerGetTypeID(), unsafeBitCast(Timer.self, to: UnsafeRawPointer.self)) |
| |
| __CFSwiftBridge.NSObject.isEqual = _CFSwiftIsEqual |
| __CFSwiftBridge.NSObject.hash = _CFSwiftGetHash |
| __CFSwiftBridge.NSObject._cfTypeID = _CFSwiftGetTypeID |
| __CFSwiftBridge.NSObject.copyWithZone = _CFSwiftCopyWithZone |
| |
| __CFSwiftBridge.NSSet.count = _CFSwiftSetGetCount |
| __CFSwiftBridge.NSSet.countForKey = _CFSwiftSetGetCountOfValue |
| __CFSwiftBridge.NSSet.containsObject = _CFSwiftSetContainsValue |
| __CFSwiftBridge.NSSet.__getValue = _CFSwiftSetGetValue |
| __CFSwiftBridge.NSSet.getValueIfPresent = _CFSwiftSetGetValueIfPresent |
| __CFSwiftBridge.NSSet.getObjects = _CFSwiftSetGetValues |
| __CFSwiftBridge.NSSet.copy = _CFSwiftSetCreateCopy |
| __CFSwiftBridge.NSSet.__apply = _CFSwiftSetApplyFunction |
| __CFSwiftBridge.NSSet.member = _CFSwiftSetMember |
| |
| __CFSwiftBridge.NSMutableSet.addObject = _CFSwiftSetAddValue |
| __CFSwiftBridge.NSMutableSet.replaceObject = _CFSwiftSetReplaceValue |
| __CFSwiftBridge.NSMutableSet.setObject = _CFSwiftSetSetValue |
| __CFSwiftBridge.NSMutableSet.removeObject = _CFSwiftSetRemoveValue |
| __CFSwiftBridge.NSMutableSet.removeAllObjects = _CFSwiftSetRemoveAllValues |
| |
| __CFSwiftBridge.NSArray.count = _CFSwiftArrayGetCount |
| __CFSwiftBridge.NSArray.objectAtIndex = _CFSwiftArrayGetValueAtIndex |
| __CFSwiftBridge.NSArray.getObjects = _CFSwiftArrayGetValues |
| |
| __CFSwiftBridge.NSMutableArray.addObject = _CFSwiftArrayAppendValue |
| __CFSwiftBridge.NSMutableArray.setObject = _CFSwiftArraySetValueAtIndex |
| __CFSwiftBridge.NSMutableArray.replaceObjectAtIndex = _CFSwiftArrayReplaceValueAtIndex |
| __CFSwiftBridge.NSMutableArray.insertObject = _CFSwiftArrayInsertValueAtIndex |
| __CFSwiftBridge.NSMutableArray.exchangeObjectAtIndex = _CFSwiftArrayExchangeValuesAtIndices |
| __CFSwiftBridge.NSMutableArray.removeObjectAtIndex = _CFSwiftArrayRemoveValueAtIndex |
| __CFSwiftBridge.NSMutableArray.removeAllObjects = _CFSwiftArrayRemoveAllValues |
| __CFSwiftBridge.NSMutableArray.replaceObjectsInRange = _CFSwiftArrayReplaceValues |
| |
| __CFSwiftBridge.NSDictionary.count = _CFSwiftDictionaryGetCount |
| __CFSwiftBridge.NSDictionary.countForKey = _CFSwiftDictionaryGetCountOfKey |
| __CFSwiftBridge.NSDictionary.containsKey = _CFSwiftDictionaryContainsKey |
| __CFSwiftBridge.NSDictionary.objectForKey = _CFSwiftDictionaryGetValue |
| __CFSwiftBridge.NSDictionary._getValueIfPresent = _CFSwiftDictionaryGetValueIfPresent |
| __CFSwiftBridge.NSDictionary.containsObject = _CFSwiftDictionaryContainsValue |
| __CFSwiftBridge.NSDictionary.countForObject = _CFSwiftDictionaryGetCountOfValue |
| __CFSwiftBridge.NSDictionary.getObjects = _CFSwiftDictionaryGetValuesAndKeys |
| __CFSwiftBridge.NSDictionary.__apply = _CFSwiftDictionaryApplyFunction |
| __CFSwiftBridge.NSDictionary.copy = _CFSwiftDictionaryCreateCopy |
| |
| __CFSwiftBridge.NSMutableDictionary.__addObject = _CFSwiftDictionaryAddValue |
| __CFSwiftBridge.NSMutableDictionary.replaceObject = _CFSwiftDictionaryReplaceValue |
| __CFSwiftBridge.NSMutableDictionary.__setObject = _CFSwiftDictionarySetValue |
| __CFSwiftBridge.NSMutableDictionary.removeObjectForKey = _CFSwiftDictionaryRemoveValue |
| __CFSwiftBridge.NSMutableDictionary.removeAllObjects = _CFSwiftDictionaryRemoveAllValues |
| |
| __CFSwiftBridge.NSString._createSubstringWithRange = _CFSwiftStringCreateWithSubstring |
| __CFSwiftBridge.NSString.copy = _CFSwiftStringCreateCopy |
| __CFSwiftBridge.NSString.mutableCopy = _CFSwiftStringCreateMutableCopy |
| __CFSwiftBridge.NSString.length = _CFSwiftStringGetLength |
| __CFSwiftBridge.NSString.characterAtIndex = _CFSwiftStringGetCharacterAtIndex |
| __CFSwiftBridge.NSString.getCharacters = _CFSwiftStringGetCharacters |
| __CFSwiftBridge.NSString.__getBytes = _CFSwiftStringGetBytes |
| __CFSwiftBridge.NSString._fastCStringContents = _CFSwiftStringFastCStringContents |
| __CFSwiftBridge.NSString._fastCharacterContents = _CFSwiftStringFastContents |
| __CFSwiftBridge.NSString._getCString = _CFSwiftStringGetCString |
| __CFSwiftBridge.NSString._encodingCantBeStoredInEightBitCFString = _CFSwiftStringIsUnicode |
| |
| __CFSwiftBridge.NSMutableString.insertString = _CFSwiftStringInsert |
| __CFSwiftBridge.NSMutableString.deleteCharactersInRange = _CFSwiftStringDelete |
| __CFSwiftBridge.NSMutableString.replaceCharactersInRange = _CFSwiftStringReplace |
| __CFSwiftBridge.NSMutableString.setString = _CFSwiftStringReplaceAll |
| __CFSwiftBridge.NSMutableString.appendString = _CFSwiftStringAppend |
| __CFSwiftBridge.NSMutableString.appendCharacters = _CFSwiftStringAppendCharacters |
| __CFSwiftBridge.NSMutableString._cfAppendCString = _CFSwiftStringAppendCString |
| |
| __CFSwiftBridge.NSXMLParser.currentParser = _NSXMLParserCurrentParser |
| __CFSwiftBridge.NSXMLParser._xmlExternalEntityWithURL = _NSXMLParserExternalEntityWithURL |
| __CFSwiftBridge.NSXMLParser.getContext = _NSXMLParserGetContext |
| __CFSwiftBridge.NSXMLParser.internalSubset = _NSXMLParserInternalSubset |
| __CFSwiftBridge.NSXMLParser.isStandalone = _NSXMLParserIsStandalone |
| __CFSwiftBridge.NSXMLParser.hasInternalSubset = _NSXMLParserHasInternalSubset |
| __CFSwiftBridge.NSXMLParser.hasExternalSubset = _NSXMLParserHasExternalSubset |
| __CFSwiftBridge.NSXMLParser.getEntity = _NSXMLParserGetEntity |
| __CFSwiftBridge.NSXMLParser.notationDecl = _NSXMLParserNotationDecl |
| __CFSwiftBridge.NSXMLParser.attributeDecl = _NSXMLParserAttributeDecl |
| __CFSwiftBridge.NSXMLParser.elementDecl = _NSXMLParserElementDecl |
| __CFSwiftBridge.NSXMLParser.unparsedEntityDecl = _NSXMLParserUnparsedEntityDecl |
| __CFSwiftBridge.NSXMLParser.startDocument = _NSXMLParserStartDocument |
| __CFSwiftBridge.NSXMLParser.endDocument = _NSXMLParserEndDocument |
| __CFSwiftBridge.NSXMLParser.startElementNs = _NSXMLParserStartElementNs |
| __CFSwiftBridge.NSXMLParser.endElementNs = _NSXMLParserEndElementNs |
| __CFSwiftBridge.NSXMLParser.characters = _NSXMLParserCharacters |
| __CFSwiftBridge.NSXMLParser.processingInstruction = _NSXMLParserProcessingInstruction |
| __CFSwiftBridge.NSXMLParser.cdataBlock = _NSXMLParserCdataBlock |
| __CFSwiftBridge.NSXMLParser.comment = _NSXMLParserComment |
| __CFSwiftBridge.NSXMLParser.externalSubset = _NSXMLParserExternalSubset |
| |
| __CFSwiftBridge.NSRunLoop._new = _NSRunLoopNew |
| |
| __CFSwiftBridge.NSCharacterSet._expandedCFCharacterSet = _CFSwiftCharacterSetExpandedCFCharacterSet |
| __CFSwiftBridge.NSCharacterSet._retainedBitmapRepresentation = _CFSwiftCharacterSetRetainedBitmapRepresentation |
| __CFSwiftBridge.NSCharacterSet.characterIsMember = _CFSwiftCharacterSetCharacterIsMember |
| __CFSwiftBridge.NSCharacterSet.mutableCopy = _CFSwiftCharacterSetMutableCopy |
| __CFSwiftBridge.NSCharacterSet.longCharacterIsMember = _CFSwiftCharacterSetLongCharacterIsMember |
| __CFSwiftBridge.NSCharacterSet.hasMemberInPlane = _CFSwiftCharacterSetHasMemberInPlane |
| __CFSwiftBridge.NSCharacterSet.invertedSet = _CFSwiftCharacterSetInverted |
| |
| __CFSwiftBridge.NSMutableCharacterSet.addCharactersInRange = _CFSwiftMutableSetAddCharactersInRange |
| __CFSwiftBridge.NSMutableCharacterSet.removeCharactersInRange = _CFSwiftMutableSetRemoveCharactersInRange |
| __CFSwiftBridge.NSMutableCharacterSet.addCharactersInString = _CFSwiftMutableSetAddCharactersInString |
| __CFSwiftBridge.NSMutableCharacterSet.removeCharactersInString = _CFSwiftMutableSetRemoveCharactersInString |
| __CFSwiftBridge.NSMutableCharacterSet.formUnionWithCharacterSet = _CFSwiftMutableSetFormUnionWithCharacterSet |
| __CFSwiftBridge.NSMutableCharacterSet.formIntersectionWithCharacterSet = _CFSwiftMutableSetFormIntersectionWithCharacterSet |
| __CFSwiftBridge.NSMutableCharacterSet.invert = _CFSwiftMutableSetInvert |
| |
| __CFSwiftBridge.NSNumber._cfNumberGetType = _CFSwiftNumberGetType |
| __CFSwiftBridge.NSNumber._getValue = _CFSwiftNumberGetValue |
| __CFSwiftBridge.NSNumber.boolValue = _CFSwiftNumberGetBoolValue |
| |
| // __CFDefaultEightBitStringEncoding = UInt32(kCFStringEncodingUTF8) |
| } |
| |
| public func === (lhs: AnyClass, rhs: AnyClass) -> Bool { |
| return unsafeBitCast(lhs, to: UnsafeRawPointer.self) == unsafeBitCast(rhs, to: UnsafeRawPointer.self) |
| } |
| |
| /// Swift extensions for common operations in Foundation that use unsafe things... |
| |
| |
| extension NSObject { |
| static func unretainedReference<R: NSObject>(_ value: UnsafeRawPointer) -> R { |
| return unsafeBitCast(value, to: R.self) |
| } |
| |
| static func unretainedReference<R: NSObject>(_ value: UnsafeMutableRawPointer) -> R { |
| return unretainedReference(UnsafeRawPointer(value)) |
| } |
| |
| static func releaseReference(_ value: UnsafeRawPointer) { |
| _CFSwiftRelease(UnsafeMutableRawPointer(mutating: value)) |
| } |
| |
| static func releaseReference(_ value: UnsafeMutableRawPointer) { |
| _CFSwiftRelease(value) |
| } |
| |
| func withRetainedReference<T, R>(_ work: (UnsafePointer<T>) -> R) -> R { |
| let selfPtr = Unmanaged.passRetained(self).toOpaque().assumingMemoryBound(to: T.self) |
| return work(selfPtr) |
| } |
| |
| func withRetainedReference<T, R>(_ work: (UnsafeMutablePointer<T>) -> R) -> R { |
| let selfPtr = Unmanaged.passRetained(self).toOpaque().assumingMemoryBound(to: T.self) |
| return work(selfPtr) |
| } |
| |
| func withUnretainedReference<T, R>(_ work: (UnsafePointer<T>) -> R) -> R { |
| let selfPtr = Unmanaged.passUnretained(self).toOpaque().assumingMemoryBound(to: T.self) |
| return work(selfPtr) |
| } |
| |
| func withUnretainedReference<T, R>(_ work: (UnsafeMutablePointer<T>) -> R) -> R { |
| let selfPtr = Unmanaged.passUnretained(self).toOpaque().assumingMemoryBound(to: T.self) |
| return work(selfPtr) |
| } |
| } |
| |
| extension Array { |
| internal mutating func withUnsafeMutablePointerOrAllocation<R>(_ count: Int, fastpath: UnsafeMutablePointer<Element>? = nil, body: (UnsafeMutablePointer<Element>) -> R) -> R { |
| if let fastpath = fastpath { |
| return body(fastpath) |
| } else if self.count > count { |
| let buffer = UnsafeMutablePointer<Element>.allocate(capacity: count) |
| let res = body(buffer) |
| buffer.deinitialize(count: count) |
| buffer.deallocate(capacity: count) |
| return res |
| } else { |
| return withUnsafeMutableBufferPointer() { (bufferPtr: inout UnsafeMutableBufferPointer<Element>) -> R in |
| return body(bufferPtr.baseAddress!) |
| } |
| } |
| } |
| } |
| |
| |
| #if os(OSX) || os(iOS) |
| internal typealias _DarwinCompatibleBoolean = DarwinBoolean |
| #else |
| internal typealias _DarwinCompatibleBoolean = Bool |
| #endif |
