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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 | /* CFUniChar.h | |
26 | Copyright (c) 1998-2003, Apple, Inc. All rights reserved. | |
27 | */ | |
28 | ||
29 | #if !defined(__COREFOUNDATION_CFUNICHAR__) | |
30 | #define __COREFOUNDATION_CFUNICHAR__ 1 | |
31 | ||
32 | #include <CoreFoundation/CFBase.h> | |
33 | ||
34 | #if defined(__cplusplus) | |
35 | extern "C" { | |
36 | #endif | |
37 | ||
38 | #define kCFUniCharBitShiftForByte (3) | |
39 | #define kCFUniCharBitShiftForMask (7) | |
40 | ||
41 | CF_INLINE Boolean CFUniCharIsSurrogateHighCharacter(UniChar character) { | |
42 | return ((character >= 0xD800UL) && (character <= 0xDBFFUL) ? true : false); | |
43 | } | |
44 | ||
45 | CF_INLINE Boolean CFUniCharIsSurrogateLowCharacter(UniChar character) { | |
46 | return ((character >= 0xDC00UL) && (character <= 0xDFFFUL) ? true : false); | |
47 | } | |
48 | ||
49 | CF_INLINE UTF32Char CFUniCharGetLongCharacterForSurrogatePair(UniChar surrogateHigh, UniChar surrogateLow) { | |
50 | return ((surrogateHigh - 0xD800UL) << 10) + (surrogateLow - 0xDC00UL) + 0x0010000UL; | |
51 | } | |
52 | ||
53 | // The following values coinside TextEncodingFormat format defines in TextCommon.h | |
54 | enum { | |
55 | kCFUniCharUTF16Format = 0, | |
56 | kCFUniCharUTF8Format = 2, | |
57 | kCFUniCharUTF32Format = 3 | |
58 | }; | |
59 | ||
60 | CF_INLINE bool CFUniCharIsMemberOfBitmap(UTF16Char theChar, const uint8_t *bitmap) { | |
61 | return (bitmap && (bitmap[(theChar) >> kCFUniCharBitShiftForByte] & (((uint32_t)1) << (theChar & kCFUniCharBitShiftForMask))) ? true : false); | |
62 | } | |
63 | ||
64 | CF_INLINE void CFUniCharAddCharacterToBitmap(UTF16Char theChar, uint8_t *bitmap) { | |
65 | bitmap[(theChar) >> kCFUniCharBitShiftForByte] |= (((uint32_t)1) << (theChar & kCFUniCharBitShiftForMask)); | |
66 | } | |
67 | ||
68 | CF_INLINE void CFUniCharRemoveCharacterFromBitmap(UTF16Char theChar, uint8_t *bitmap) { | |
69 | bitmap[(theChar) >> kCFUniCharBitShiftForByte] &= ~(((uint32_t)1) << (theChar & kCFUniCharBitShiftForMask)); | |
70 | } | |
71 | ||
72 | enum { | |
73 | kCFUniCharControlCharacterSet = 1, | |
74 | kCFUniCharWhitespaceCharacterSet, | |
75 | kCFUniCharWhitespaceAndNewlineCharacterSet, | |
76 | kCFUniCharDecimalDigitCharacterSet, | |
77 | kCFUniCharLetterCharacterSet, | |
78 | kCFUniCharLowercaseLetterCharacterSet, | |
79 | kCFUniCharUppercaseLetterCharacterSet, | |
80 | kCFUniCharNonBaseCharacterSet, | |
81 | kCFUniCharCanonicalDecomposableCharacterSet, | |
82 | kCFUniCharDecomposableCharacterSet = kCFUniCharCanonicalDecomposableCharacterSet, | |
83 | kCFUniCharAlphaNumericCharacterSet, | |
84 | kCFUniCharPunctuationCharacterSet, | |
85 | kCFUniCharIllegalCharacterSet, | |
86 | kCFUniCharTitlecaseLetterCharacterSet, | |
87 | kCFUniCharSymbolAndOperatorCharacterSet, | |
88 | kCFUniCharCompatibilityDecomposableCharacterSet, | |
89 | kCFUniCharHFSPlusDecomposableCharacterSet, | |
90 | kCFUniCharStrongRightToLeftCharacterSet, | |
91 | kCFUniCharHasNonSelfLowercaseCharacterSet, | |
92 | kCFUniCharHasNonSelfUppercaseCharacterSet, | |
93 | kCFUniCharHasNonSelfTitlecaseCharacterSet, | |
94 | kCFUniCharHasNonSelfCaseFoldingCharacterSet, | |
95 | kCFUniCharHasNonSelfMirrorMappingCharacterSet, | |
96 | kCFUniCharControlAndFormatterCharacterSet, | |
97 | kCFUniCharCaseIgnorableCharacterSet | |
98 | }; | |
99 | ||
100 | CF_EXPORT bool CFUniCharIsMemberOf(UTF32Char theChar, uint32_t charset); | |
101 | ||
102 | // This function returns NULL for kCFUniCharControlCharacterSet, kCFUniCharWhitespaceCharacterSet, kCFUniCharWhitespaceAndNewlineCharacterSet, & kCFUniCharIllegalCharacterSet | |
103 | CF_EXPORT const uint8_t *CFUniCharGetBitmapPtrForPlane(uint32_t charset, uint32_t plane); | |
104 | ||
105 | enum { | |
106 | kCFUniCharBitmapFilled = (uint8_t)0, | |
107 | kCFUniCharBitmapEmpty = (uint8_t)0xFF, | |
108 | kCFUniCharBitmapAll = (uint8_t)1 | |
109 | }; | |
110 | ||
111 | CF_EXPORT uint8_t CFUniCharGetBitmapForPlane(uint32_t charset, uint32_t plane, void *bitmap, bool isInverted); | |
112 | ||
113 | CF_EXPORT uint32_t CFUniCharGetNumberOfPlanes(uint32_t charset); | |
114 | ||
115 | enum { | |
116 | kCFUniCharToLowercase = 0, | |
117 | kCFUniCharToUppercase, | |
118 | kCFUniCharToTitlecase, | |
119 | kCFUniCharCaseFold | |
120 | }; | |
121 | ||
122 | enum { | |
123 | kCFUniCharCaseMapFinalSigma = (1), | |
124 | kCFUniCharCaseMapAfter_i = (1 << 1), | |
125 | kCFUniCharCaseMapMoreAbove = (1 << 2) | |
126 | }; | |
127 | ||
128 | CF_EXPORT uint32_t CFUniCharMapCaseTo(UTF32Char theChar, UTF16Char *convertedChar, uint32_t maxLength, uint32_t ctype, uint32_t flags, const uint8_t *langCode); | |
129 | ||
130 | CF_EXPORT uint32_t CFUniCharGetConditionalCaseMappingFlags(UTF32Char theChar, UTF16Char *buffer, uint32_t currentIndex, uint32_t length, uint32_t type, const uint8_t *langCode, uint32_t lastFlags); | |
131 | ||
132 | enum { | |
133 | kCFUniCharBiDiPropertyON = 0, | |
134 | kCFUniCharBiDiPropertyL, | |
135 | kCFUniCharBiDiPropertyR, | |
136 | kCFUniCharBiDiPropertyAN, | |
137 | kCFUniCharBiDiPropertyEN, | |
138 | kCFUniCharBiDiPropertyAL, | |
139 | kCFUniCharBiDiPropertyNSM, | |
140 | kCFUniCharBiDiPropertyCS, | |
141 | kCFUniCharBiDiPropertyES, | |
142 | kCFUniCharBiDiPropertyET, | |
143 | kCFUniCharBiDiPropertyBN, | |
144 | kCFUniCharBiDiPropertyS, | |
145 | kCFUniCharBiDiPropertyWS, | |
146 | kCFUniCharBiDiPropertyB, | |
147 | kCFUniCharBiDiPropertyRLO, | |
148 | kCFUniCharBiDiPropertyRLE, | |
149 | kCFUniCharBiDiPropertyLRO, | |
150 | kCFUniCharBiDiPropertyLRE, | |
151 | kCFUniCharBiDiPropertyPDF | |
152 | }; | |
153 | ||
154 | enum { | |
155 | kCFUniCharCombiningProperty = 0, | |
156 | kCFUniCharBidiProperty | |
157 | }; | |
158 | ||
159 | // The second arg 'bitmap' has to be the pointer to a specific plane | |
160 | CF_INLINE uint8_t CFUniCharGetBidiPropertyForCharacter(UTF16Char character, const uint8_t *bitmap) { | |
161 | if (bitmap) { | |
162 | uint8_t value = bitmap[(character >> 8)]; | |
163 | ||
164 | if (value != kCFUniCharBiDiPropertyL) { | |
165 | bitmap = bitmap + 256 + ((value - kCFUniCharBiDiPropertyPDF - 1) * 256); | |
166 | return bitmap[character % 256]; | |
167 | } | |
168 | } | |
169 | return kCFUniCharBiDiPropertyL; | |
170 | } | |
171 | ||
172 | CF_INLINE uint8_t CFUniCharGetCombiningPropertyForCharacter(UTF16Char character, const uint8_t *bitmap) { | |
173 | if (bitmap) { | |
174 | uint8_t value = bitmap[(character >> 8)]; | |
175 | ||
176 | if (value) { | |
177 | bitmap = bitmap + 256 + ((value - 1) * 256); | |
178 | return bitmap[character % 256]; | |
179 | } | |
180 | } | |
181 | return 0; | |
182 | } | |
183 | ||
184 | CF_EXPORT const void *CFUniCharGetUnicodePropertyDataForPlane(uint32_t propertyType, uint32_t plane); | |
185 | CF_EXPORT uint32_t CFUniCharGetNumberOfPlanesForUnicodePropertyData(uint32_t propertyType); | |
186 | CF_EXPORT uint32_t CFUniCharGetUnicodeProperty(UTF32Char character, uint32_t propertyType); | |
187 | ||
188 | CF_EXPORT bool CFUniCharFillDestinationBuffer(const UTF32Char *src, uint32_t srcLength, void **dst, uint32_t dstLength, uint32_t *filledLength, uint32_t dstFormat); | |
189 | ||
190 | #if defined(__cplusplus) | |
191 | } | |
192 | #endif | |
193 | ||
194 | #endif /* ! __COREFOUNDATION_CFUNICHAR__ */ | |
195 |