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1/*
2 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
7 *
8 * This file contains Original Code and/or Modifications of Original Code
9 * as defined in and that are subject to the Apple Public Source License
10 * Version 2.0 (the 'License'). You may not use this file except in
11 * compliance with the License. Please obtain a copy of the License at
12 * http://www.opensource.apple.com/apsl/ and read it before using this
13 * file.
14 *
15 * The Original Code and all software distributed under the License are
16 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
17 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
20 * Please see the License for the specific language governing rights and
21 * limitations under the License.
22 *
23 * @APPLE_LICENSE_HEADER_END@
24 */
25/* CFCharacterSetPriv.h
26 Copyright (c) 1998-2003, Apple, Inc. All rights reserved.
27*/
28
29#if !defined(__COREFOUNDATION_CFCHARACTERSET_PRIV__)
30#define __COREFOUNDATION_CFCHARACTERSET_PRIV__ 1
31
32#include <CoreFoundation/CFCharacterSet.h>
33
34#if defined(__cplusplus)
35extern "C" {
36#endif
37
38#if MAC_OS_X_VERSION_10_2 <= MAC_OS_X_VERSION_MAX_ALLOWED
39/*!
40 @function CFCharacterSetIsSurrogateHighCharacter
41 Reports whether or not the character is a high surrogate.
42 @param character The character to be checked.
43 @result true, if character is a high surrogate, otherwise false.
44*/
45CF_INLINE Boolean CFCharacterSetIsSurrogateHighCharacter(UniChar character) {
46 return ((character >= 0xD800UL) && (character <= 0xDBFFUL) ? true : false);
47}
48
49/*!
50 @function CFCharacterSetIsSurrogateLowCharacter
51 Reports whether or not the character is a low surrogate.
52 @param character The character to be checked.
53 @result true, if character is a low surrogate, otherwise false.
54*/
55CF_INLINE Boolean CFCharacterSetIsSurrogateLowCharacter(UniChar character) {
56 return ((character >= 0xDC00UL) && (character <= 0xDFFFUL) ? true : false);
57}
58
59/*!
60 @function CFCharacterSetGetLongCharacterForSurrogatePair
61 Returns the UTF-32 value corresponding to the surrogate pair passed in.
62 @param surrogateHigh The high surrogate character. If this parameter
63 is not a valid high surrogate character, the behavior is undefined.
64 @param surrogateLow The low surrogate character. If this parameter
65 is not a valid low surrogate character, the behavior is undefined.
66 @result The UTF-32 value for the surrogate pair.
67*/
68CF_INLINE UTF32Char CFCharacterSetGetLongCharacterForSurrogatePair(UniChar surrogateHigh, UniChar surrogateLow) {
69 return ((surrogateHigh - 0xD800UL) << 10) + (surrogateLow - 0xDC00UL) + 0x0010000UL;
70}
71#endif
72
73/* Check to see if the character represented by the surrogate pair surrogateHigh & surrogateLow is in the chraracter set */
74CF_EXPORT Boolean CFCharacterSetIsSurrogatePairMember(CFCharacterSetRef theSet, UniChar surrogateHigh, UniChar surrogateLow) ;
75
76/* Keyed-coding support
77*/
78typedef enum {
79 kCFCharacterSetKeyedCodingTypeBitmap = 1,
80 kCFCharacterSetKeyedCodingTypeBuiltin = 2,
81 kCFCharacterSetKeyedCodingTypeRange = 3,
82 kCFCharacterSetKeyedCodingTypeString = 4
83} CFCharacterSetKeyedCodingType;
84
85CF_EXPORT CFCharacterSetKeyedCodingType _CFCharacterSetGetKeyedCodingType(CFCharacterSetRef cset);
86CF_EXPORT CFCharacterSetPredefinedSet _CFCharacterSetGetKeyedCodingBuiltinType(CFCharacterSetRef cset);
87CF_EXPORT CFRange _CFCharacterSetGetKeyedCodingRange(CFCharacterSetRef cset);
88CF_EXPORT CFStringRef _CFCharacterSetCreateKeyedCodingString(CFCharacterSetRef cset);
89CF_EXPORT bool _CFCharacterSetIsMutable(CFCharacterSetRef cset);
90CF_EXPORT bool _CFCharacterSetIsInverted(CFCharacterSetRef cset);
91CF_EXPORT void _CFCharacterSetSetIsInverted(CFCharacterSetRef cset, bool flag);
92
93#if defined(__cplusplus)
94}
95#endif
96
97#endif /* !__COREFOUNDATION_CFCHARACTERSET_PRIV__ */