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