wtf/unicode/brew/UnicodeBrew.h

   1 /*
   2  *  Copyright (C) 2006 George Staikos <staikos@kde.org>
   3  *  Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
   4  *  Copyright (C) 2007 Apple Computer, Inc. All rights reserved.
   5  *  Copyright (C) 2007-2009 Torch Mobile, Inc.
   6  *  Copyright (C) 2010 Company 100, Inc.
   7  *
   8  *  This library is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU Library General Public
  10  *  License as published by the Free Software Foundation; either
  11  *  version 2 of the License, or (at your option) any later version.
  12  *
  13  *  This library is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *  Library General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU Library General Public License
  19  *  along with this library; see the file COPYING.LIB.  If not, write to
  20  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21  *  Boston, MA 02110-1301, USA.
  22  *
  23  */
  24
  25 #ifndef UnicodeBrew_h
  26 #define UnicodeBrew_h
  27
  28 #include "UnicodeFromICU.h"
  29 #include "UnicodeMacrosFromICU.h"
  30
  31 namespace WTF {
  32 namespace Unicode {
  33
  34 enum Direction {
  35     LeftToRight = ICU::U_LEFT_TO_RIGHT,
  36     RightToLeft = ICU::U_RIGHT_TO_LEFT,
  37     EuropeanNumber = ICU::U_EUROPEAN_NUMBER,
  38     EuropeanNumberSeparator = ICU::U_EUROPEAN_NUMBER_SEPARATOR,
  39     EuropeanNumberTerminator = ICU::U_EUROPEAN_NUMBER_TERMINATOR,
  40     ArabicNumber = ICU::U_ARABIC_NUMBER,
  41     CommonNumberSeparator = ICU::U_COMMON_NUMBER_SEPARATOR,
  42     BlockSeparator = ICU::U_BLOCK_SEPARATOR,
  43     SegmentSeparator = ICU::U_SEGMENT_SEPARATOR,
  44     WhiteSpaceNeutral = ICU::U_WHITE_SPACE_NEUTRAL,
  45     OtherNeutral = ICU::U_OTHER_NEUTRAL,
  46     LeftToRightEmbedding = ICU::U_LEFT_TO_RIGHT_EMBEDDING,
  47     LeftToRightOverride = ICU::U_LEFT_TO_RIGHT_OVERRIDE,
  48     RightToLeftArabic = ICU::U_RIGHT_TO_LEFT_ARABIC,
  49     RightToLeftEmbedding = ICU::U_RIGHT_TO_LEFT_EMBEDDING,
  50     RightToLeftOverride = ICU::U_RIGHT_TO_LEFT_OVERRIDE,
  51     PopDirectionalFormat = ICU::U_POP_DIRECTIONAL_FORMAT,
  52     NonSpacingMark = ICU::U_DIR_NON_SPACING_MARK,
  53     BoundaryNeutral = ICU::U_BOUNDARY_NEUTRAL
  54 };
  55
  56 enum DecompositionType {
  57     DecompositionNone = ICU::U_DT_NONE,
  58     DecompositionCanonical = ICU::U_DT_CANONICAL,
  59     DecompositionCompat = ICU::U_DT_COMPAT,
  60     DecompositionCircle = ICU::U_DT_CIRCLE,
  61     DecompositionFinal = ICU::U_DT_FINAL,
  62     DecompositionFont = ICU::U_DT_FONT,
  63     DecompositionFraction = ICU::U_DT_FRACTION,
  64     DecompositionInitial = ICU::U_DT_INITIAL,
  65     DecompositionIsolated = ICU::U_DT_ISOLATED,
  66     DecompositionMedial = ICU::U_DT_MEDIAL,
  67     DecompositionNarrow = ICU::U_DT_NARROW,
  68     DecompositionNoBreak = ICU::U_DT_NOBREAK,
  69     DecompositionSmall = ICU::U_DT_SMALL,
  70     DecompositionSquare = ICU::U_DT_SQUARE,
  71     DecompositionSub = ICU::U_DT_SUB,
  72     DecompositionSuper = ICU::U_DT_SUPER,
  73     DecompositionVertical = ICU::U_DT_VERTICAL,
  74     DecompositionWide = ICU::U_DT_WIDE,
  75 };
  76
  77 enum CharCategory {
  78     NoCategory =  0,
  79     Other_NotAssigned = TO_MASK(ICU::U_GENERAL_OTHER_TYPES),
  80     Letter_Uppercase = TO_MASK(ICU::U_UPPERCASE_LETTER),
  81     Letter_Lowercase = TO_MASK(ICU::U_LOWERCASE_LETTER),
  82     Letter_Titlecase = TO_MASK(ICU::U_TITLECASE_LETTER),
  83     Letter_Modifier = TO_MASK(ICU::U_MODIFIER_LETTER),
  84     Letter_Other = TO_MASK(ICU::U_OTHER_LETTER),
  85
  86     Mark_NonSpacing = TO_MASK(ICU::U_NON_SPACING_MARK),
  87     Mark_Enclosing = TO_MASK(ICU::U_ENCLOSING_MARK),
  88     Mark_SpacingCombining = TO_MASK(ICU::U_COMBINING_SPACING_MARK),
  89
  90     Number_DecimalDigit = TO_MASK(ICU::U_DECIMAL_DIGIT_NUMBER),
  91     Number_Letter = TO_MASK(ICU::U_LETTER_NUMBER),
  92     Number_Other = TO_MASK(ICU::U_OTHER_NUMBER),
  93
  94     Separator_Space = TO_MASK(ICU::U_SPACE_SEPARATOR),
  95     Separator_Line = TO_MASK(ICU::U_LINE_SEPARATOR),
  96     Separator_Paragraph = TO_MASK(ICU::U_PARAGRAPH_SEPARATOR),
  97
  98     Other_Control = TO_MASK(ICU::U_CONTROL_CHAR),
  99     Other_Format = TO_MASK(ICU::U_FORMAT_CHAR),
 100     Other_PrivateUse = TO_MASK(ICU::U_PRIVATE_USE_CHAR),
 101     Other_Surrogate = TO_MASK(ICU::U_SURROGATE),
 102
 103     Punctuation_Dash = TO_MASK(ICU::U_DASH_PUNCTUATION),
 104     Punctuation_Open = TO_MASK(ICU::U_START_PUNCTUATION),
 105     Punctuation_Close = TO_MASK(ICU::U_END_PUNCTUATION),
 106     Punctuation_Connector = TO_MASK(ICU::U_CONNECTOR_PUNCTUATION),
 107     Punctuation_Other = TO_MASK(ICU::U_OTHER_PUNCTUATION),
 108
 109     Symbol_Math = TO_MASK(ICU::U_MATH_SYMBOL),
 110     Symbol_Currency = TO_MASK(ICU::U_CURRENCY_SYMBOL),
 111     Symbol_Modifier = TO_MASK(ICU::U_MODIFIER_SYMBOL),
 112     Symbol_Other = TO_MASK(ICU::U_OTHER_SYMBOL),
 113
 114     Punctuation_InitialQuote = TO_MASK(ICU::U_INITIAL_PUNCTUATION),
 115     Punctuation_FinalQuote = TO_MASK(ICU::U_FINAL_PUNCTUATION)
 116 };
 117
 118 UChar foldCase(UChar);
 119
 120 int foldCase(UChar* result, int resultLength, const UChar* source, int sourceLength, bool* isError);
 121
 122 int toLower(UChar* result, int resultLength, const UChar* source, int sourceLength, bool* isError);
 123
 124 UChar toUpper(UChar);
 125 UChar toLower(UChar);
 126
 127 bool isUpper(UChar);
 128
 129 int toUpper(UChar* result, int resultLength, const UChar* source, int sourceLength, bool* isError);
 130
 131 UChar toTitleCase(UChar);
 132
 133 inline bool isArabicChar(UChar32 c)
 134 {
 135     return c >= 0x0600 && c <= 0x06FF;
 136 }
 137
 138 bool isAlphanumeric(UChar);
 139
 140 CharCategory category(unsigned int);
 141
 142 inline bool isSeparatorSpace(UChar c)
 143 {
 144     return category(c) == Separator_Space;
 145 }
 146
 147 bool isPrintableChar(UChar);
 148
 149 bool isDigit(UChar);
 150
 151 bool isPunct(UChar);
 152
 153 inline bool hasLineBreakingPropertyComplexContext(UChar32)
 154 {
 155     // FIXME: implement!
 156     return false;
 157 }
 158
 159 inline bool hasLineBreakingPropertyComplexContextOrIdeographic(UChar32 c)
 160 {
 161     // FIXME
 162     return false;
 163 }
 164
 165 UChar mirroredChar(UChar32);
 166
 167 Direction direction(UChar32);
 168
 169 bool isLower(UChar);
 170
 171 int digitValue(UChar);
 172
 173 unsigned char combiningClass(UChar32);
 174
 175 DecompositionType decompositionType(UChar32);
 176
 177 inline int umemcasecmp(const UChar* a, const UChar* b, int len)
 178 {
 179     for (int i = 0; i < len; ++i) {
 180         UChar c1 = foldCase(a[i]);
 181         UChar c2 = foldCase(b[i]);
 182         if (c1 != c2)
 183             return c1 - c2;
 184     }
 185     return 0;
 186 }
 187
 188 bool isSpace(UChar);
 189 bool isLetter(UChar);
 190
 191 } // namespace Unicode
 192 } // namespace WTF
 193
 194 #endif