wtf/unicode/icu/UnicodeIcu.h

   1 /*
   2  *  Copyright (C) 2006 George Staikos <staikos@kde.org>
   3  *  Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
   4  *  Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
   5  *
   6  *  This library is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU Library General Public
   8  *  License as published by the Free Software Foundation; either
   9  *  version 2 of the License, or (at your option) any later version.
  10  *
  11  *  This library is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  *  Library General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Library General Public License
  17  *  along with this library; see the file COPYING.LIB.  If not, write to
  18  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  *  Boston, MA 02110-1301, USA.
  20  *
  21  */
  22
  23 #ifndef WTF_UNICODE_ICU_H
  24 #define WTF_UNICODE_ICU_H
  25
  26 #include <stdlib.h>
  27 #include <unicode/uchar.h>
  28 #include <unicode/ustring.h>
  29 #include <unicode/utf16.h>
  30
  31 namespace WTF {
  32 namespace Unicode {
  33
  34 enum Direction {
  35     LeftToRight = U_LEFT_TO_RIGHT,
  36     RightToLeft = U_RIGHT_TO_LEFT,
  37     EuropeanNumber = U_EUROPEAN_NUMBER,
  38     EuropeanNumberSeparator = U_EUROPEAN_NUMBER_SEPARATOR,
  39     EuropeanNumberTerminator = U_EUROPEAN_NUMBER_TERMINATOR,
  40     ArabicNumber = U_ARABIC_NUMBER,
  41     CommonNumberSeparator = U_COMMON_NUMBER_SEPARATOR,
  42     BlockSeparator = U_BLOCK_SEPARATOR,
  43     SegmentSeparator = U_SEGMENT_SEPARATOR,
  44     WhiteSpaceNeutral = U_WHITE_SPACE_NEUTRAL,
  45     OtherNeutral = U_OTHER_NEUTRAL,
  46     LeftToRightEmbedding = U_LEFT_TO_RIGHT_EMBEDDING,
  47     LeftToRightOverride = U_LEFT_TO_RIGHT_OVERRIDE,
  48     RightToLeftArabic = U_RIGHT_TO_LEFT_ARABIC,
  49     RightToLeftEmbedding = U_RIGHT_TO_LEFT_EMBEDDING,
  50     RightToLeftOverride = U_RIGHT_TO_LEFT_OVERRIDE,
  51     PopDirectionalFormat = U_POP_DIRECTIONAL_FORMAT,
  52     NonSpacingMark = U_DIR_NON_SPACING_MARK,
  53     BoundaryNeutral = U_BOUNDARY_NEUTRAL
  54 };
  55
  56 enum DecompositionType {
  57     DecompositionNone = U_DT_NONE,
  58     DecompositionCanonical = U_DT_CANONICAL,
  59     DecompositionCompat = U_DT_COMPAT,
  60     DecompositionCircle = U_DT_CIRCLE,
  61     DecompositionFinal = U_DT_FINAL,
  62     DecompositionFont = U_DT_FONT,
  63     DecompositionFraction = U_DT_FRACTION,
  64     DecompositionInitial = U_DT_INITIAL,
  65     DecompositionIsolated = U_DT_ISOLATED,
  66     DecompositionMedial = U_DT_MEDIAL,
  67     DecompositionNarrow = U_DT_NARROW,
  68     DecompositionNoBreak = U_DT_NOBREAK,
  69     DecompositionSmall = U_DT_SMALL,
  70     DecompositionSquare = U_DT_SQUARE,
  71     DecompositionSub = U_DT_SUB,
  72     DecompositionSuper = U_DT_SUPER,
  73     DecompositionVertical = U_DT_VERTICAL,
  74     DecompositionWide = U_DT_WIDE,
  75 };
  76
  77 enum CharCategory {
  78     NoCategory =  0,
  79     Other_NotAssigned = U_MASK(U_GENERAL_OTHER_TYPES),
  80     Letter_Uppercase = U_MASK(U_UPPERCASE_LETTER),
  81     Letter_Lowercase = U_MASK(U_LOWERCASE_LETTER),
  82     Letter_Titlecase = U_MASK(U_TITLECASE_LETTER),
  83     Letter_Modifier = U_MASK(U_MODIFIER_LETTER),
  84     Letter_Other = U_MASK(U_OTHER_LETTER),
  85
  86     Mark_NonSpacing = U_MASK(U_NON_SPACING_MARK),
  87     Mark_Enclosing = U_MASK(U_ENCLOSING_MARK),
  88     Mark_SpacingCombining = U_MASK(U_COMBINING_SPACING_MARK),
  89
  90     Number_DecimalDigit = U_MASK(U_DECIMAL_DIGIT_NUMBER),
  91     Number_Letter = U_MASK(U_LETTER_NUMBER),
  92     Number_Other = U_MASK(U_OTHER_NUMBER),
  93
  94     Separator_Space = U_MASK(U_SPACE_SEPARATOR),
  95     Separator_Line = U_MASK(U_LINE_SEPARATOR),
  96     Separator_Paragraph = U_MASK(U_PARAGRAPH_SEPARATOR),
  97
  98     Other_Control = U_MASK(U_CONTROL_CHAR),
  99     Other_Format = U_MASK(U_FORMAT_CHAR),
 100     Other_PrivateUse = U_MASK(U_PRIVATE_USE_CHAR),
 101     Other_Surrogate = U_MASK(U_SURROGATE),
 102
 103     Punctuation_Dash = U_MASK(U_DASH_PUNCTUATION),
 104     Punctuation_Open = U_MASK(U_START_PUNCTUATION),
 105     Punctuation_Close = U_MASK(U_END_PUNCTUATION),
 106     Punctuation_Connector = U_MASK(U_CONNECTOR_PUNCTUATION),
 107     Punctuation_Other = U_MASK(U_OTHER_PUNCTUATION),
 108
 109     Symbol_Math = U_MASK(U_MATH_SYMBOL),
 110     Symbol_Currency = U_MASK(U_CURRENCY_SYMBOL),
 111     Symbol_Modifier = U_MASK(U_MODIFIER_SYMBOL),
 112     Symbol_Other = U_MASK(U_OTHER_SYMBOL),
 113
 114     Punctuation_InitialQuote = U_MASK(U_INITIAL_PUNCTUATION),
 115     Punctuation_FinalQuote = U_MASK(U_FINAL_PUNCTUATION)
 116 };
 117
 118 inline UChar32 foldCase(UChar32 c)
 119 {
 120     return u_foldCase(c, U_FOLD_CASE_DEFAULT);
 121 }
 122
 123 inline int foldCase(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
 124 {
 125     UErrorCode status = U_ZERO_ERROR;
 126     int realLength = u_strFoldCase(result, resultLength, src, srcLength, U_FOLD_CASE_DEFAULT, &status);
 127     *error = !U_SUCCESS(status);
 128     return realLength;
 129 }
 130
 131 inline int toLower(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
 132 {
 133     UErrorCode status = U_ZERO_ERROR;
 134     int realLength = u_strToLower(result, resultLength, src, srcLength, "", &status);
 135     *error = !!U_FAILURE(status);
 136     return realLength;
 137 }
 138
 139 inline UChar32 toLower(UChar32 c)
 140 {
 141     return u_tolower(c);
 142 }
 143
 144 inline UChar32 toUpper(UChar32 c)
 145 {
 146     return u_toupper(c);
 147 }
 148
 149 inline int toUpper(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
 150 {
 151     UErrorCode status = U_ZERO_ERROR;
 152     int realLength = u_strToUpper(result, resultLength, src, srcLength, "", &status);
 153     *error = !!U_FAILURE(status);
 154     return realLength;
 155 }
 156
 157 inline UChar32 toTitleCase(UChar32 c)
 158 {
 159     return u_totitle(c);
 160 }
 161
 162 inline bool isArabicChar(UChar32 c)
 163 {
 164       return ublock_getCode(c) == UBLOCK_ARABIC;
 165 }
 166
 167 inline bool isSeparatorSpace(UChar32 c)
 168 {
 169     return u_charType(c) == U_SPACE_SEPARATOR;
 170 }
 171
 172 inline bool isPrintableChar(UChar32 c)
 173 {
 174     return !!u_isprint(c);
 175 }
 176
 177 inline bool isPunct(UChar32 c)
 178 {
 179     return !!u_ispunct(c);
 180 }
 181
 182 inline bool hasLineBreakingPropertyComplexContext(UChar32 c)
 183 {
 184     return u_getIntPropertyValue(c, UCHAR_LINE_BREAK) == U_LB_COMPLEX_CONTEXT;
 185 }
 186
 187 inline bool hasLineBreakingPropertyComplexContextOrIdeographic(UChar32 c)
 188 {
 189     int32_t prop = u_getIntPropertyValue(c, UCHAR_LINE_BREAK);
 190     return prop == U_LB_COMPLEX_CONTEXT || prop == U_LB_IDEOGRAPHIC;
 191 }
 192
 193 inline UChar32 mirroredChar(UChar32 c)
 194 {
 195     return u_charMirror(c);
 196 }
 197
 198 inline CharCategory category(UChar32 c)
 199 {
 200     return static_cast<CharCategory>(U_GET_GC_MASK(c));
 201 }
 202
 203 inline Direction direction(UChar32 c)
 204 {
 205     return static_cast<Direction>(u_charDirection(c));
 206 }
 207
 208 inline bool isLower(UChar32 c)
 209 {
 210     return !!u_islower(c);
 211 }
 212
 213 inline uint8_t combiningClass(UChar32 c)
 214 {
 215     return u_getCombiningClass(c);
 216 }
 217
 218 inline DecompositionType decompositionType(UChar32 c)
 219 {
 220     return static_cast<DecompositionType>(u_getIntPropertyValue(c, UCHAR_DECOMPOSITION_TYPE));
 221 }
 222
 223 inline int umemcasecmp(const UChar* a, const UChar* b, int len)
 224 {
 225     return u_memcasecmp(a, b, len, U_FOLD_CASE_DEFAULT);
 226 }
 227
 228 } }
 229
 230 #endif // WTF_UNICODE_ICU_H