1 /* 2 * Copyright (C) 2006 George Staikos <staikos (at) kde.org> 3 * Copyright (C) 2006 Alexey Proskuryakov <ap (at) nypop.com> 4 * Copyright (C) 2007 Apple Computer, Inc. All rights reserved. 5 * Copyright (C) 2007-2009 Torch Mobile, Inc. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24 #ifndef UNICODE_WINCE_H 25 #define UNICODE_WINCE_H 26 27 #include "ce_unicode.h" 28 29 #define TO_MASK(x) (1 << (x)) 30 31 // some defines from ICU needed one or two places 32 33 #define U16_IS_LEAD(c) (((c) & 0xfffffc00) == 0xd800) 34 #define U16_IS_TRAIL(c) (((c) & 0xfffffc00) == 0xdc00) 35 #define U16_SURROGATE_OFFSET ((0xd800 << 10UL) + 0xdc00 - 0x10000) 36 #define U16_GET_SUPPLEMENTARY(lead, trail) \ 37 (((UChar32)(lead) << 10UL) + (UChar32)(trail) - U16_SURROGATE_OFFSET) 38 39 #define U16_LEAD(supplementary) (UChar)(((supplementary) >> 10) + 0xd7c0) 40 #define U16_TRAIL(supplementary) (UChar)(((supplementary) & 0x3ff) | 0xdc00) 41 42 #define U_IS_SURROGATE(c) (((c) & 0xfffff800) == 0xd800) 43 #define U16_IS_SURROGATE(c) U_IS_SURROGATE(c) 44 #define U16_IS_SURROGATE_LEAD(c) (((c) & 0x400) == 0) 45 46 #define U16_NEXT(s, i, length, c) { \ 47 (c)=(s)[(i)++]; \ 48 if (U16_IS_LEAD(c)) { \ 49 uint16_t __c2; \ 50 if ((i) < (length) && U16_IS_TRAIL(__c2 = (s)[(i)])) { \ 51 ++(i); \ 52 (c) = U16_GET_SUPPLEMENTARY((c), __c2); \ 53 } \ 54 } \ 55 } 56 57 #define U16_PREV(s, start, i, c) { \ 58 (c)=(s)[--(i)]; \ 59 if (U16_IS_TRAIL(c)) { \ 60 uint16_t __c2; \ 61 if ((i) > (start) && U16_IS_LEAD(__c2 = (s)[(i) - 1])) { \ 62 --(i); \ 63 (c) = U16_GET_SUPPLEMENTARY(__c2, (c)); \ 64 } \ 65 } \ 66 } 67 68 #define U16_IS_SINGLE(c) !U_IS_SURROGATE(c) 69 70 namespace WTF { 71 72 namespace Unicode { 73 74 enum Direction { 75 LeftToRight = UnicodeCE::U_LEFT_TO_RIGHT, 76 RightToLeft = UnicodeCE::U_RIGHT_TO_LEFT, 77 EuropeanNumber = UnicodeCE::U_EUROPEAN_NUMBER, 78 EuropeanNumberSeparator = UnicodeCE::U_EUROPEAN_NUMBER_SEPARATOR, 79 EuropeanNumberTerminator = UnicodeCE::U_EUROPEAN_NUMBER_TERMINATOR, 80 ArabicNumber = UnicodeCE::U_ARABIC_NUMBER, 81 CommonNumberSeparator = UnicodeCE::U_COMMON_NUMBER_SEPARATOR, 82 BlockSeparator = UnicodeCE::U_BLOCK_SEPARATOR, 83 SegmentSeparator = UnicodeCE::U_SEGMENT_SEPARATOR, 84 WhiteSpaceNeutral = UnicodeCE::U_WHITE_SPACE_NEUTRAL, 85 OtherNeutral = UnicodeCE::U_OTHER_NEUTRAL, 86 LeftToRightEmbedding = UnicodeCE::U_LEFT_TO_RIGHT_EMBEDDING, 87 LeftToRightOverride = UnicodeCE::U_LEFT_TO_RIGHT_OVERRIDE, 88 RightToLeftArabic = UnicodeCE::U_RIGHT_TO_LEFT_ARABIC, 89 RightToLeftEmbedding = UnicodeCE::U_RIGHT_TO_LEFT_EMBEDDING, 90 RightToLeftOverride = UnicodeCE::U_RIGHT_TO_LEFT_OVERRIDE, 91 PopDirectionalFormat = UnicodeCE::U_POP_DIRECTIONAL_FORMAT, 92 NonSpacingMark = UnicodeCE::U_DIR_NON_SPACING_MARK, 93 BoundaryNeutral = UnicodeCE::U_BOUNDARY_NEUTRAL 94 }; 95 96 enum DecompositionType { 97 DecompositionNone = UnicodeCE::U_DT_NONE, 98 DecompositionCanonical = UnicodeCE::U_DT_CANONICAL, 99 DecompositionCompat = UnicodeCE::U_DT_COMPAT, 100 DecompositionCircle = UnicodeCE::U_DT_CIRCLE, 101 DecompositionFinal = UnicodeCE::U_DT_FINAL, 102 DecompositionFont = UnicodeCE::U_DT_FONT, 103 DecompositionFraction = UnicodeCE::U_DT_FRACTION, 104 DecompositionInitial = UnicodeCE::U_DT_INITIAL, 105 DecompositionIsolated = UnicodeCE::U_DT_ISOLATED, 106 DecompositionMedial = UnicodeCE::U_DT_MEDIAL, 107 DecompositionNarrow = UnicodeCE::U_DT_NARROW, 108 DecompositionNoBreak = UnicodeCE::U_DT_NOBREAK, 109 DecompositionSmall = UnicodeCE::U_DT_SMALL, 110 DecompositionSquare = UnicodeCE::U_DT_SQUARE, 111 DecompositionSub = UnicodeCE::U_DT_SUB, 112 DecompositionSuper = UnicodeCE::U_DT_SUPER, 113 DecompositionVertical = UnicodeCE::U_DT_VERTICAL, 114 DecompositionWide = UnicodeCE::U_DT_WIDE, 115 }; 116 117 enum CharCategory { 118 NoCategory = 0, 119 Other_NotAssigned = TO_MASK(UnicodeCE::U_GENERAL_OTHER_TYPES), 120 Letter_Uppercase = TO_MASK(UnicodeCE::U_UPPERCASE_LETTER), 121 Letter_Lowercase = TO_MASK(UnicodeCE::U_LOWERCASE_LETTER), 122 Letter_Titlecase = TO_MASK(UnicodeCE::U_TITLECASE_LETTER), 123 Letter_Modifier = TO_MASK(UnicodeCE::U_MODIFIER_LETTER), 124 Letter_Other = TO_MASK(UnicodeCE::U_OTHER_LETTER), 125 126 Mark_NonSpacing = TO_MASK(UnicodeCE::U_NON_SPACING_MARK), 127 Mark_Enclosing = TO_MASK(UnicodeCE::U_ENCLOSING_MARK), 128 Mark_SpacingCombining = TO_MASK(UnicodeCE::U_COMBINING_SPACING_MARK), 129 130 Number_DecimalDigit = TO_MASK(UnicodeCE::U_DECIMAL_DIGIT_NUMBER), 131 Number_Letter = TO_MASK(UnicodeCE::U_LETTER_NUMBER), 132 Number_Other = TO_MASK(UnicodeCE::U_OTHER_NUMBER), 133 134 Separator_Space = TO_MASK(UnicodeCE::U_SPACE_SEPARATOR), 135 Separator_Line = TO_MASK(UnicodeCE::U_LINE_SEPARATOR), 136 Separator_Paragraph = TO_MASK(UnicodeCE::U_PARAGRAPH_SEPARATOR), 137 138 Other_Control = TO_MASK(UnicodeCE::U_CONTROL_CHAR), 139 Other_Format = TO_MASK(UnicodeCE::U_FORMAT_CHAR), 140 Other_PrivateUse = TO_MASK(UnicodeCE::U_PRIVATE_USE_CHAR), 141 Other_Surrogate = TO_MASK(UnicodeCE::U_SURROGATE), 142 143 Punctuation_Dash = TO_MASK(UnicodeCE::U_DASH_PUNCTUATION), 144 Punctuation_Open = TO_MASK(UnicodeCE::U_START_PUNCTUATION), 145 Punctuation_Close = TO_MASK(UnicodeCE::U_END_PUNCTUATION), 146 Punctuation_Connector = TO_MASK(UnicodeCE::U_CONNECTOR_PUNCTUATION), 147 Punctuation_Other = TO_MASK(UnicodeCE::U_OTHER_PUNCTUATION), 148 149 Symbol_Math = TO_MASK(UnicodeCE::U_MATH_SYMBOL), 150 Symbol_Currency = TO_MASK(UnicodeCE::U_CURRENCY_SYMBOL), 151 Symbol_Modifier = TO_MASK(UnicodeCE::U_MODIFIER_SYMBOL), 152 Symbol_Other = TO_MASK(UnicodeCE::U_OTHER_SYMBOL), 153 154 Punctuation_InitialQuote = TO_MASK(UnicodeCE::U_INITIAL_PUNCTUATION), 155 Punctuation_FinalQuote = TO_MASK(UnicodeCE::U_FINAL_PUNCTUATION) 156 }; 157 158 CharCategory category(unsigned int); 159 160 bool isSpace(wchar_t); 161 bool isLetter(wchar_t); 162 bool isPrintableChar(wchar_t); 163 bool isUpper(wchar_t); 164 bool isLower(wchar_t); 165 bool isPunct(wchar_t); 166 bool isDigit(wchar_t); 167 inline bool isSeparatorSpace(wchar_t c) { return category(c) == Separator_Space; } 168 inline bool isHighSurrogate(wchar_t c) { return (c & 0xfc00) == 0xd800; } 169 inline bool isLowSurrogate(wchar_t c) { return (c & 0xfc00) == 0xdc00; } 170 171 wchar_t toLower(wchar_t); 172 wchar_t toUpper(wchar_t); 173 wchar_t foldCase(wchar_t); 174 wchar_t toTitleCase(wchar_t); 175 int toLower(wchar_t* result, int resultLength, const wchar_t* source, int sourceLength, bool* isError); 176 int toUpper(wchar_t* result, int resultLength, const wchar_t* source, int sourceLength, bool* isError); 177 int foldCase(UChar* result, int resultLength, const wchar_t* source, int sourceLength, bool* isError); 178 179 int digitValue(wchar_t); 180 181 wchar_t mirroredChar(UChar32); 182 unsigned char combiningClass(UChar32); 183 DecompositionType decompositionType(UChar32); 184 Direction direction(UChar32); 185 inline bool isArabicChar(UChar32) 186 { 187 return false; // FIXME: implement! 188 } 189 190 inline bool hasLineBreakingPropertyComplexContext(UChar32) 191 { 192 return false; // FIXME: implement! 193 } 194 195 inline int umemcasecmp(const wchar_t* a, const wchar_t* b, int len) 196 { 197 for (int i = 0; i < len; ++i) { 198 wchar_t c1 = foldCase(a[i]); 199 wchar_t c2 = foldCase(b[i]); 200 if (c1 != c2) 201 return c1 - c2; 202 } 203 return 0; 204 } 205 206 inline UChar32 surrogateToUcs4(wchar_t high, wchar_t low) 207 { 208 return (UChar32(high) << 10) + low - 0x35fdc00; 209 } 210 211 } // namespace Unicode 212 213 } // namespace WTF 214 215 #endif 216 // vim: ts=2 sw=2 et 217
