1/*
2 * Copyright (C) 2005, 2006, 2007, 2009 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WKUtilities_h
27#define WKUtilities_h
28
29#if TARGET_OS_IPHONE
30
31#import "WKTypes.h"
32#import <CoreGraphics/CoreGraphics.h>
33
34#ifdef __cplusplus
35extern "C" {
36#endif
37
38extern const CFArrayCallBacks WKCollectionArrayCallBacks;
39extern const CFSetCallBacks WKCollectionSetCallBacks;
40
41
42typedef void(*WKDeallocCallback)(WKObjectRef object);
43
44typedef struct _WKClassInfo WKClassInfo;
45
46struct _WKClassInfo
47{
48    const WKClassInfo *parent;
49    const char *name;
50    WKDeallocCallback dealloc;
51};
52
53extern WKClassInfo WKObjectClass;
54
55struct _WKObject
56{
57    unsigned referenceCount;
58    WKClassInfo *classInfo;
59};
60
61const void *WKCreateObjectWithSize (size_t size, WKClassInfo *info);
62const void *WKRetain(const void *object);
63void WKRelease(const void *object);
64
65const void *WKCollectionRetain (CFAllocatorRef allocator, const void *value);
66void WKCollectionRelease (CFAllocatorRef allocator, const void *value);
67
68void WKReportError(const char *file, int line, const char *function, const char *format, ...);
69#define WKError(formatAndArgs...) WKReportError(__FILE__, __LINE__, __PRETTY_FUNCTION__, formatAndArgs)
70
71CFIndex WKArrayIndexOfValue (CFArrayRef array, const void *value);
72
73WKClassInfo *WKGetClassInfo (WKObjectRef object);
74
75#ifdef __cplusplus
76}
77#endif
78
79#endif // TARGET_OS_IPHONE
80
81#endif // WKUtilities_h
82