gfx/thebes/nsUnicodeRange.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include <stdint.h>
   7
   8 class nsIAtom;
   9
  10 // The following constants define unicode subranges
  11 // values below kRangeNum must be continuous so that we can map to
  12 // lang group directly.
  13 // all ranges we care about should be defined under 32, that allows
  14 // us to store range using bits of a uint32_t
  15
  16 // frequently used range definitions
  17 const uint8_t   kRangeCyrillic =    0;
  18 const uint8_t   kRangeGreek    =    1;
  19 const uint8_t   kRangeHebrew   =    2;
  20 const uint8_t   kRangeArabic   =    3;
  21 const uint8_t   kRangeThai     =    4;
  22 const uint8_t   kRangeKorean   =    5;
  23 const uint8_t   kRangeJapanese =    6;
  24 const uint8_t   kRangeSChinese =    7;
  25 const uint8_t   kRangeTChinese =    8;
  26 const uint8_t   kRangeDevanagari =  9;
  27 const uint8_t   kRangeTamil    =   10;
  28 const uint8_t   kRangeArmenian =   11;
  29 const uint8_t   kRangeBengali  =   12;
  30 const uint8_t   kRangeCanadian =   13;
  31 const uint8_t   kRangeEthiopic =   14;
  32 const uint8_t   kRangeGeorgian =   15;
  33 const uint8_t   kRangeGujarati =   16;
  34 const uint8_t   kRangeGurmukhi =   17;
  35 const uint8_t   kRangeKhmer    =   18;
  36 const uint8_t   kRangeMalayalam =  19;
  37 const uint8_t   kRangeOriya     =  20;
  38 const uint8_t   kRangeTelugu    =  21;
  39 const uint8_t   kRangeKannada   =  22;
  40 const uint8_t   kRangeSinhala   =  23;
  41 const uint8_t   kRangeTibetan   =  24;
  42
  43 const uint8_t   kRangeSpecificItemNum = 25;
  44
  45 //range/rangeSet grow to this place 25-29
  46
  47 const uint8_t   kRangeSetStart  =  30;   // range set definition starts from here
  48 const uint8_t   kRangeSetLatin  =  30;
  49 const uint8_t   kRangeSetCJK    =  31;
  50 const uint8_t   kRangeSetEnd    =  31;   // range set definition ends here, this
  51                                          // and smaller ranges are used as bit
  52                                          // mask, don't increase this value.
  53
  54 // less frequently used range definition
  55 const uint8_t   kRangeSurrogate            = 32;
  56 const uint8_t   kRangePrivate              = 33;
  57 const uint8_t   kRangeMisc                 = 34;
  58 const uint8_t   kRangeUnassigned           = 35;
  59 const uint8_t   kRangeSyriac               = 36;
  60 const uint8_t   kRangeThaana               = 37;
  61 const uint8_t   kRangeLao                  = 38;
  62 const uint8_t   kRangeMyanmar              = 39;
  63 const uint8_t   kRangeCherokee             = 40;
  64 const uint8_t   kRangeOghamRunic           = 41;
  65 const uint8_t   kRangeMongolian            = 42;
  66 const uint8_t   kRangeMathOperators        = 43;
  67 const uint8_t   kRangeMiscTechnical        = 44;
  68 const uint8_t   kRangeControlOpticalEnclose = 45;
  69 const uint8_t   kRangeBoxBlockGeometrics   = 46;
  70 const uint8_t   kRangeMiscSymbols          = 47;
  71 const uint8_t   kRangeDingbats             = 48;
  72 const uint8_t   kRangeBraillePattern       = 49;
  73 const uint8_t   kRangeYi                   = 50;
  74 const uint8_t   kRangeCombiningDiacriticalMarks = 51;
  75 const uint8_t   kRangeSpecials             = 52;
  76
  77 // aggregate ranges for non-BMP codepoints (u+2xxxx are all CJK)
  78 const uint8_t   kRangeSMP                  = 53;  // u+1xxxx
  79 const uint8_t   kRangeHigherPlanes         = 54;  // u+3xxxx and above
  80
  81 const uint8_t   kRangeTableBase   = 128;    //values over 127 are reserved for internal use only
  82 const uint8_t   kRangeTertiaryTable  = 145; // leave room for 16 subtable
  83                                             // indices (kRangeTableBase + 1 ..
  84                                             // kRangeTableBase + 16)
  85
  86
  87
  88 uint32_t FindCharUnicodeRange(uint32_t ch);
  89 nsIAtom* LangGroupFromUnicodeRange(uint8_t unicodeRange);