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24 /* CFCharacterSetPriv.h
25 Copyright (c) 1998-2009, Apple Inc. All rights reserved.
28 #if !defined(__COREFOUNDATION_CFCHARACTERSETPRIV__)
29 #define __COREFOUNDATION_CFCHARACTERSETPRIV__ 1
31 #include <CoreFoundation/CFCharacterSet.h>
35 #if MAC_OS_X_VERSION_10_2 <= MAC_OS_X_VERSION_MAX_ALLOWED
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.
42 CF_INLINE Boolean
CFCharacterSetIsSurrogateHighCharacter(UniChar character
) {
43 return ((character
>= 0xD800UL
) && (character
<= 0xDBFFUL
) ? true : false);
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.
52 CF_INLINE Boolean
CFCharacterSetIsSurrogateLowCharacter(UniChar character
) {
53 return ((character
>= 0xDC00UL
) && (character
<= 0xDFFFUL
) ? true : false);
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.
65 CF_INLINE UTF32Char
CFCharacterSetGetLongCharacterForSurrogatePair(UniChar surrogateHigh
, UniChar surrogateLow
) {
66 return ((surrogateHigh
- 0xD800UL
) << 10) + (surrogateLow
- 0xDC00UL
) + 0x0010000UL
;
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
) ;
73 /* Keyed-coding support
76 kCFCharacterSetKeyedCodingTypeBitmap
= 1,
77 kCFCharacterSetKeyedCodingTypeBuiltin
= 2,
78 kCFCharacterSetKeyedCodingTypeRange
= 3,
79 kCFCharacterSetKeyedCodingTypeString
= 4,
80 kCFCharacterSetKeyedCodingTypeBuiltinAndBitmap
= 5
82 typedef CFIndex CFCharacterSetKeyedCodingType
;
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
);
93 #endif /* ! __COREFOUNDATION_CFCHARACTERSETPRIV__ */