1/* 2 * Copyright (C) 2006, 2009 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21#include "config.h" 22#include "wtf/text/StringImpl.h" 23 24#import <CoreFoundation/CFBase.h> 25#import <Foundation/NSObject.h> 26#include "wtf/RetainPtr.h" 27 28namespace WTF { 29 30// Use HardAutorelease to return an object made by a CoreFoundation 31// "create" or "copy" function as an autoreleased and garbage collected 32// object. CF objects need to be "made collectable" for autorelease to work 33// properly under GC. 34 35static inline id HardAutorelease(CFTypeRef object) 36{ 37 if (object) 38 CFMakeCollectable(object); 39 [(id)object autorelease]; 40 return (id)object; 41} 42 43StringImpl::operator NSString *() 44{ 45 return HardAutorelease(createCFString().leakRef()); 46} 47 48} 49