WebCore/UnicodeRange.h

   1 /*
   2  * Copyright (C) 2007 Apple Computer, Inc.
   3  *
   4  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 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  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  * Alternatively, the contents of this file may be used under the terms
  21  * of either the Mozilla Public License Version 1.1, found at
  22  * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
  23  * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
  24  * (the "GPL"), in which case the provisions of the MPL or the GPL are
  25  * applicable instead of those above.  If you wish to allow use of your
  26  * version of this file only under the terms of one of those two
  27  * licenses (the MPL or the GPL) and not to allow others to use your
  28  * version of this file under the LGPL, indicate your decision by
  29  * deletingthe provisions above and replace them with the notice and
  30  * other provisions required by the MPL or the GPL, as the case may be.
  31  * If you do not delete the provisions above, a recipient may use your
  32  * version of this file under any of the LGPL, the MPL or the GPL.
  33  */
  34
  35 #ifndef UnicodeRange_H
  36 #define UnicodeRange_H
  37
  38 #include <wtf/unicode/Unicode.h>
  39
  40 namespace WebCore {
  41
  42 // The following constants define unicode subranges
  43 // values below cRangeNum must be continuous so that we can map to
  44 // a lang group directly.
  45 // All ranges we care about should fit within 32 bits.
  46
  47 // Frequently used range definitions
  48 const unsigned char   cRangeCyrillic =    0;
  49 const unsigned char   cRangeGreek    =    1;
  50 const unsigned char   cRangeTurkish  =    2;
  51 const unsigned char   cRangeHebrew   =    3;
  52 const unsigned char   cRangeArabic   =    4;
  53 const unsigned char   cRangeBaltic   =    5;
  54 const unsigned char   cRangeThai     =    6;
  55 const unsigned char   cRangeKorean   =    7;
  56 const unsigned char   cRangeJapanese =    8;
  57 const unsigned char   cRangeSChinese =    9;
  58 const unsigned char   cRangeTChinese =   10;
  59 const unsigned char   cRangeDevanagari = 11;
  60 const unsigned char   cRangeTamil    =   12;
  61 const unsigned char   cRangeArmenian =   13;
  62 const unsigned char   cRangeBengali  =   14;
  63 const unsigned char   cRangeCanadian =   15;
  64 const unsigned char   cRangeEthiopic =   16;
  65 const unsigned char   cRangeGeorgian =   17;
  66 const unsigned char   cRangeGujarati =   18;
  67 const unsigned char   cRangeGurmukhi =   19;
  68 const unsigned char   cRangeKhmer    =   20;
  69 const unsigned char   cRangeMalayalam =  21;
  70
  71 const unsigned char   cRangeSpecificItemNum = 22;
  72
  73 //range/rangeSet grow to this place 22-29
  74
  75 const unsigned char   cRangeSetStart  =  30;    // range set definition starts from here
  76 const unsigned char   cRangeSetLatin  =  30;
  77 const unsigned char   cRangeSetCJK    =  31;
  78 const unsigned char   cRangeSetEnd    =  31;   // range set definition ends here
  79
  80 // less frequently used range definition
  81 const unsigned char   cRangeSurrogate            = 32;
  82 const unsigned char   cRangePrivate              = 33;
  83 const unsigned char   cRangeMisc                 = 34;
  84 const unsigned char   cRangeUnassigned           = 35;
  85 const unsigned char   cRangeSyriac               = 36;
  86 const unsigned char   cRangeThaana               = 37;
  87 const unsigned char   cRangeOriya                = 38;
  88 const unsigned char   cRangeTelugu               = 39;
  89 const unsigned char   cRangeKannada              = 40;
  90 const unsigned char   cRangeSinhala              = 41;
  91 const unsigned char   cRangeLao                  = 42;
  92 const unsigned char   cRangeTibetan              = 43;
  93 const unsigned char   cRangeMyanmar              = 44;
  94 const unsigned char   cRangeCherokee             = 45;
  95 const unsigned char   cRangeOghamRunic           = 46;
  96 const unsigned char   cRangeMongolian            = 47;
  97 const unsigned char   cRangeMathOperators        = 48;
  98 const unsigned char   cRangeMiscTechnical        = 49;
  99 const unsigned char   cRangeControlOpticalEnclose = 50;
 100 const unsigned char   cRangeBoxBlockGeometrics   = 51;
 101 const unsigned char   cRangeMiscSymbols          = 52;
 102 const unsigned char   cRangeDingbats             = 53;
 103 const unsigned char   cRangeBraillePattern       = 54;
 104 const unsigned char   cRangeYi                   = 55;
 105 const unsigned char   cRangeCombiningDiacriticalMarks = 56;
 106 const unsigned char   cRangeSpecials             = 57;
 107
 108 const unsigned char   cRangeTableBase   = 128;    //values over 127 are reserved for internal use only
 109 const unsigned char   cRangeTertiaryTable  = 145; // leave room for 16 subtable
 110                                             // indices (cRangeTableBase + 1 ..
 111                                             // cRangeTableBase + 16)
 112
 113
 114
 115 unsigned int findCharUnicodeRange(UChar32 ch);
 116 const char* langGroupFromUnicodeRange(unsigned char unicodeRange);
 117
 118 }
 119
 120 #endif // UnicodeRange_H