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      1 /*
      2  *  Copyright (C) 2006 George Staikos <staikos (at) kde.org>
      3  *  Copyright (C) 2006 Alexey Proskuryakov <ap (at) 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 <unicode/brkiter.h>
     27 #include <unicode/rbbi.h>
     28 #include <unicode/uchar.h>
     29 #include <unicode/uscript.h>
     30 #include <unicode/ustring.h>
     31 #include <unicode/utf16.h>
     32 
     33 namespace WTF {
     34 
     35 namespace Unicode {
     36 
     37 enum Direction {
     38     LeftToRight = U_LEFT_TO_RIGHT,
     39     RightToLeft = U_RIGHT_TO_LEFT,
     40     EuropeanNumber = U_EUROPEAN_NUMBER,
     41     EuropeanNumberSeparator = U_EUROPEAN_NUMBER_SEPARATOR,
     42     EuropeanNumberTerminator = U_EUROPEAN_NUMBER_TERMINATOR,
     43     ArabicNumber = U_ARABIC_NUMBER,
     44     CommonNumberSeparator = U_COMMON_NUMBER_SEPARATOR,
     45     BlockSeparator = U_BLOCK_SEPARATOR,
     46     SegmentSeparator = U_SEGMENT_SEPARATOR,
     47     WhiteSpaceNeutral = U_WHITE_SPACE_NEUTRAL,
     48     OtherNeutral = U_OTHER_NEUTRAL,
     49     LeftToRightEmbedding = U_LEFT_TO_RIGHT_EMBEDDING,
     50     LeftToRightOverride = U_LEFT_TO_RIGHT_OVERRIDE,
     51     RightToLeftArabic = U_RIGHT_TO_LEFT_ARABIC,
     52     RightToLeftEmbedding = U_RIGHT_TO_LEFT_EMBEDDING,
     53     RightToLeftOverride = U_RIGHT_TO_LEFT_OVERRIDE,
     54     PopDirectionalFormat = U_POP_DIRECTIONAL_FORMAT,
     55     NonSpacingMark = U_DIR_NON_SPACING_MARK,
     56     BoundaryNeutral = U_BOUNDARY_NEUTRAL
     57 };
     58 
     59 enum DecompositionType {
     60     DecompositionNone = U_DT_NONE,
     61     DecompositionCanonical = U_DT_CANONICAL,
     62     DecompositionCompat = U_DT_COMPAT,
     63     DecompositionCircle = U_DT_CIRCLE,
     64     DecompositionFinal = U_DT_FINAL,
     65     DecompositionFont = U_DT_FONT,
     66     DecompositionFraction = U_DT_FRACTION,
     67     DecompositionInitial = U_DT_INITIAL,
     68     DecompositionIsolated = U_DT_ISOLATED,
     69     DecompositionMedial = U_DT_MEDIAL,
     70     DecompositionNarrow = U_DT_NARROW,
     71     DecompositionNoBreak = U_DT_NOBREAK,
     72     DecompositionSmall = U_DT_SMALL,
     73     DecompositionSquare = U_DT_SQUARE,
     74     DecompositionSub = U_DT_SUB,
     75     DecompositionSuper = U_DT_SUPER,
     76     DecompositionVertical = U_DT_VERTICAL,
     77     DecompositionWide = U_DT_WIDE,
     78 };
     79 
     80 enum CharCategory {
     81     NoCategory =  0,
     82     Other_NotAssigned = U_MASK(U_GENERAL_OTHER_TYPES),
     83     Letter_Uppercase = U_MASK(U_UPPERCASE_LETTER),
     84     Letter_Lowercase = U_MASK(U_LOWERCASE_LETTER),
     85     Letter_Titlecase = U_MASK(U_TITLECASE_LETTER),
     86     Letter_Modifier = U_MASK(U_MODIFIER_LETTER),
     87     Letter_Other = U_MASK(U_OTHER_LETTER),
     88 
     89     Mark_NonSpacing = U_MASK(U_NON_SPACING_MARK),
     90     Mark_Enclosing = U_MASK(U_ENCLOSING_MARK),
     91     Mark_SpacingCombining = U_MASK(U_COMBINING_SPACING_MARK),
     92 
     93     Number_DecimalDigit = U_MASK(U_DECIMAL_DIGIT_NUMBER),
     94     Number_Letter = U_MASK(U_LETTER_NUMBER),
     95     Number_Other = U_MASK(U_OTHER_NUMBER),
     96 
     97     Separator_Space = U_MASK(U_SPACE_SEPARATOR),
     98     Separator_Line = U_MASK(U_LINE_SEPARATOR),
     99     Separator_Paragraph = U_MASK(U_PARAGRAPH_SEPARATOR),
    100 
    101     Other_Control = U_MASK(U_CONTROL_CHAR),
    102     Other_Format = U_MASK(U_FORMAT_CHAR),
    103     Other_PrivateUse = U_MASK(U_PRIVATE_USE_CHAR),
    104     Other_Surrogate = U_MASK(U_SURROGATE),
    105 
    106     Punctuation_Dash = U_MASK(U_DASH_PUNCTUATION),
    107     Punctuation_Open = U_MASK(U_START_PUNCTUATION),
    108     Punctuation_Close = U_MASK(U_END_PUNCTUATION),
    109     Punctuation_Connector = U_MASK(U_CONNECTOR_PUNCTUATION),
    110     Punctuation_Other = U_MASK(U_OTHER_PUNCTUATION),
    111 
    112     Symbol_Math = U_MASK(U_MATH_SYMBOL),
    113     Symbol_Currency = U_MASK(U_CURRENCY_SYMBOL),
    114     Symbol_Modifier = U_MASK(U_MODIFIER_SYMBOL),
    115     Symbol_Other = U_MASK(U_OTHER_SYMBOL),
    116 
    117     Punctuation_InitialQuote = U_MASK(U_INITIAL_PUNCTUATION),
    118     Punctuation_FinalQuote = U_MASK(U_FINAL_PUNCTUATION)
    119 };
    120 
    121 inline UChar32 foldCase(UChar32 c)
    122 {
    123     return u_foldCase(c, U_FOLD_CASE_DEFAULT);
    124 }
    125 
    126 inline int foldCase(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
    127 {
    128     UErrorCode status = U_ZERO_ERROR;
    129     int realLength = u_strFoldCase(result, resultLength, src, srcLength, U_FOLD_CASE_DEFAULT, &status);
    130     *error = !U_SUCCESS(status);
    131     return realLength;
    132 }
    133 
    134 inline int toLower(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
    135 {
    136     UErrorCode status = U_ZERO_ERROR;
    137     int realLength = u_strToLower(result, resultLength, src, srcLength, "", &status);
    138     *error = !!U_FAILURE(status);
    139     return realLength;
    140 }
    141 
    142 inline UChar32 toLower(UChar32 c)
    143 {
    144     return u_tolower(c);
    145 }
    146 
    147 inline UChar32 toUpper(UChar32 c)
    148 {
    149     return u_toupper(c);
    150 }
    151 
    152 inline int toUpper(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
    153 {
    154     UErrorCode status = U_ZERO_ERROR;
    155     int realLength = u_strToUpper(result, resultLength, src, srcLength, "", &status);
    156     *error = !!U_FAILURE(status);
    157     return realLength;
    158 }
    159 
    160 inline UChar32 toTitleCase(UChar32 c)
    161 {
    162     return u_totitle(c);
    163 }
    164 
    165 inline bool isArabicChar(UChar32 c)
    166 {
    167       return ublock_getCode(c) == UBLOCK_ARABIC;
    168 }
    169 
    170 inline bool isAlphanumeric(UChar32 c)
    171 {
    172     return u_isalnum(c);
    173 }
    174 
    175 inline bool isSeparatorSpace(UChar32 c)
    176 {
    177     return u_charType(c) == U_SPACE_SEPARATOR;
    178 }
    179 
    180 inline bool isPrintableChar(UChar32 c)
    181 {
    182     return !!u_isprint(c);
    183 }
    184 
    185 inline bool isPunct(UChar32 c)
    186 {
    187     return !!u_ispunct(c);
    188 }
    189 
    190 inline bool hasLineBreakingPropertyComplexContext(UChar32 c)
    191 {
    192     return u_getIntPropertyValue(c, UCHAR_LINE_BREAK) == U_LB_COMPLEX_CONTEXT;
    193 }
    194 
    195 inline UChar32 mirroredChar(UChar32 c)
    196 {
    197     return u_charMirror(c);
    198 }
    199 
    200 inline CharCategory category(UChar32 c)
    201 {
    202     return static_cast<CharCategory>(U_GET_GC_MASK(c));
    203 }
    204 
    205 inline Direction direction(UChar32 c)
    206 {
    207     return static_cast<Direction>(u_charDirection(c));
    208 }
    209 
    210 inline bool isLower(UChar32 c)
    211 {
    212     return !!u_islower(c);
    213 }
    214 
    215 inline uint8_t combiningClass(UChar32 c)
    216 {
    217     return u_getCombiningClass(c);
    218 }
    219 
    220 inline DecompositionType decompositionType(UChar32 c)
    221 {
    222     return static_cast<DecompositionType>(u_getIntPropertyValue(c, UCHAR_DECOMPOSITION_TYPE));
    223 }
    224 
    225 inline int umemcasecmp(const UChar* a, const UChar* b, int len)
    226 {
    227     return u_memcasecmp(a, b, len, U_FOLD_CASE_DEFAULT);
    228 }
    229 
    230 } // namespace Unicode
    231 
    232 } // namespace WTF
    233 
    234 #endif // WTF_UNICODE_ICU_H
    235