| //===--- FoundationHelpers.mm - Cocoa framework helper shims --------------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 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 |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains shims to refer to framework functions required by the |
| // standard library. The stdlib cannot directly import these modules without |
| // introducing circular dependencies. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "swift/Runtime/Config.h" |
| |
| #if SWIFT_OBJC_INTEROP |
| #import <CoreFoundation/CoreFoundation.h> |
| #include "../SwiftShims/CoreFoundationShims.h" |
| |
| using namespace swift; |
| |
| template <class FromTy> struct DestType; |
| |
| #define BRIDGE_TYPE(FROM, TO) \ |
| template <> struct DestType<FROM> { using type = TO; } |
| |
| BRIDGE_TYPE(_swift_shims_CFAllocatorRef, CFAllocatorRef); |
| BRIDGE_TYPE(_swift_shims_CFStringRef, CFStringRef); |
| BRIDGE_TYPE(_swift_shims_UniChar *, UniChar *); |
| BRIDGE_TYPE(_swift_shims_CFStringEncoding, CFStringEncoding); |
| BRIDGE_TYPE(_swift_shims_CFStringCompareFlags, CFStringCompareFlags); |
| BRIDGE_TYPE(_swift_shims_CFRange *, CFRange *); |
| BRIDGE_TYPE(CFComparisonResult, _swift_shims_CFComparisonResult); |
| BRIDGE_TYPE(CFStringRef, _swift_shims_CFStringRef); |
| |
| template <class FromTy> |
| static typename DestType<FromTy>::type cast(FromTy value) { |
| return (typename DestType<FromTy>::type) value; |
| } |
| |
| static CFRange cast(_swift_shims_CFRange value) { |
| return { value.location, value.length }; |
| } |
| |
| void swift::_swift_stdlib_CFStringGetCharacters( |
| _swift_shims_CFStringRef theString, |
| _swift_shims_CFRange range, |
| _swift_shims_UniChar *buffer) { |
| return CFStringGetCharacters(cast(theString), cast(range), cast(buffer)); |
| } |
| |
| const _swift_shims_UniChar * |
| swift::_swift_stdlib_CFStringGetCharactersPtr( |
| _swift_shims_CFStringRef theString) { |
| return CFStringGetCharactersPtr(cast(theString)); |
| } |
| |
| _swift_shims_CFIndex swift::_swift_stdlib_CFStringGetBytes( |
| _swift_shims_CFStringRef theString, _swift_shims_CFRange range, |
| _swift_shims_CFStringEncoding encoding, _swift_shims_UInt8 lossByte, |
| _swift_shims_Boolean isExternalRepresentation, _swift_shims_UInt8 *buffer, |
| _swift_shims_CFIndex maxBufLen, _swift_shims_CFIndex *usedBufLen) { |
| return CFStringGetBytes(cast(theString), cast(range), encoding, lossByte, |
| isExternalRepresentation, buffer, maxBufLen, usedBufLen); |
| } |
| |
| _swift_shims_CFIndex |
| swift::_swift_stdlib_CFStringGetLength(_swift_shims_CFStringRef theString) { |
| return CFStringGetLength(cast(theString)); |
| } |
| |
| _swift_shims_CFStringRef |
| swift::_swift_stdlib_CFStringCreateWithSubstring( |
| _swift_shims_CFAllocatorRef alloc, |
| _swift_shims_CFStringRef str, |
| _swift_shims_CFRange range) { |
| return cast(CFStringCreateWithSubstring(cast(alloc), cast(str), cast(range))); |
| } |
| |
| _swift_shims_UniChar |
| swift::_swift_stdlib_CFStringGetCharacterAtIndex(_swift_shims_CFStringRef theString, |
| _swift_shims_CFIndex idx) { |
| return CFStringGetCharacterAtIndex(cast(theString), idx); |
| } |
| |
| _swift_shims_CFStringRef |
| swift::_swift_stdlib_CFStringCreateCopy(_swift_shims_CFAllocatorRef alloc, |
| _swift_shims_CFStringRef theString) { |
| return cast(CFStringCreateCopy(cast(alloc), cast(theString))); |
| } |
| |
| _swift_shims_CFStringRef |
| swift::_swift_stdlib_CFStringCreateWithBytes( |
| _swift_shims_CFAllocatorRef _Nullable alloc, const uint8_t *bytes, |
| _swift_shims_CFIndex numBytes, _swift_shims_CFStringEncoding encoding, |
| _swift_shims_Boolean isExternalRepresentation) { |
| return cast(CFStringCreateWithBytes(cast(alloc), bytes, numBytes, |
| cast(encoding), |
| isExternalRepresentation)); |
| } |
| |
| const char * |
| swift::_swift_stdlib_CFStringGetCStringPtr(_swift_shims_CFStringRef theString, |
| _swift_shims_CFStringEncoding encoding) { |
| return CFStringGetCStringPtr(cast(theString), cast(encoding)); |
| } |
| |
| _swift_shims_CFStringRef |
| swift::_swift_stdlib_objcDebugDescription(id _Nonnull nsObject) { |
| return [nsObject debugDescription]; |
| } |
| #endif |
| |