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