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1 /*
2 * Copyright (c) 2010 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24 /* CFCharacterSetPriv.h
25 Copyright (c) 1998-2009, Apple Inc. All rights reserved.
26 */
27
28 #if !defined(__COREFOUNDATION_CFCHARACTERSETPRIV__)
29 #define __COREFOUNDATION_CFCHARACTERSETPRIV__ 1
30
31 #include <CoreFoundation/CFCharacterSet.h>
32
33 CF_EXTERN_C_BEGIN
34
35 #if MAC_OS_X_VERSION_10_2 <= MAC_OS_X_VERSION_MAX_ALLOWED
36 /*!
37 @function CFCharacterSetIsSurrogateHighCharacter
38 Reports whether or not the character is a high surrogate.
39 @param character The character to be checked.
40 @result true, if character is a high surrogate, otherwise false.
41 */
42 CF_INLINE Boolean CFCharacterSetIsSurrogateHighCharacter(UniChar character) {
43 return ((character >= 0xD800UL) && (character <= 0xDBFFUL) ? true : false);
44 }
45
46 /*!
47 @function CFCharacterSetIsSurrogateLowCharacter
48 Reports whether or not the character is a low surrogate.
49 @param character The character to be checked.
50 @result true, if character is a low surrogate, otherwise false.
51 */
52 CF_INLINE Boolean CFCharacterSetIsSurrogateLowCharacter(UniChar character) {
53 return ((character >= 0xDC00UL) && (character <= 0xDFFFUL) ? true : false);
54 }
55
56 /*!
57 @function CFCharacterSetGetLongCharacterForSurrogatePair
58 Returns the UTF-32 value corresponding to the surrogate pair passed in.
59 @param surrogateHigh The high surrogate character. If this parameter
60 is not a valid high surrogate character, the behavior is undefined.
61 @param surrogateLow The low surrogate character. If this parameter
62 is not a valid low surrogate character, the behavior is undefined.
63 @result The UTF-32 value for the surrogate pair.
64 */
65 CF_INLINE UTF32Char CFCharacterSetGetLongCharacterForSurrogatePair(UniChar surrogateHigh, UniChar surrogateLow) {
66 return ((surrogateHigh - 0xD800UL) << 10) + (surrogateLow - 0xDC00UL) + 0x0010000UL;
67 }
68 #endif
69
70 /* Check to see if the character represented by the surrogate pair surrogateHigh & surrogateLow is in the chraracter set */
71 CF_EXPORT Boolean CFCharacterSetIsSurrogatePairMember(CFCharacterSetRef theSet, UniChar surrogateHigh, UniChar surrogateLow) ;
72
73 /* Keyed-coding support
74 */
75 enum {
76 kCFCharacterSetKeyedCodingTypeBitmap = 1,
77 kCFCharacterSetKeyedCodingTypeBuiltin = 2,
78 kCFCharacterSetKeyedCodingTypeRange = 3,
79 kCFCharacterSetKeyedCodingTypeString = 4,
80 kCFCharacterSetKeyedCodingTypeBuiltinAndBitmap = 5
81 };
82 typedef CFIndex CFCharacterSetKeyedCodingType;
83
84 CF_EXPORT CFCharacterSetKeyedCodingType _CFCharacterSetGetKeyedCodingType(CFCharacterSetRef cset);
85 CF_EXPORT CFCharacterSetPredefinedSet _CFCharacterSetGetKeyedCodingBuiltinType(CFCharacterSetRef cset);
86 CF_EXPORT CFRange _CFCharacterSetGetKeyedCodingRange(CFCharacterSetRef cset);
87 CF_EXPORT CFStringRef _CFCharacterSetCreateKeyedCodingString(CFCharacterSetRef cset);
88 CF_EXPORT bool _CFCharacterSetIsInverted(CFCharacterSetRef cset);
89 CF_EXPORT void _CFCharacterSetSetIsInverted(CFCharacterSetRef cset, bool flag);
90
91 CF_EXTERN_C_END
92
93 #endif /* ! __COREFOUNDATION_CFCHARACTERSETPRIV__ */
94