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 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 #include <stdint.h>

 class nsIAtom;

 // The following constants define unicode subranges

 // values below kRangeNum must be continuous so that we can map to 

 // lang group directly.

 // all ranges we care about should be defined under 32, that allows 

 // us to store range using bits of a uint32_t

 // frequently used range definitions

 const uint8_t   kRangeCyrillic =    0;

 const uint8_t   kRangeGreek    =    1;

 const uint8_t   kRangeTurkish  =    2;

 const uint8_t   kRangeHebrew   =    3;

 const uint8_t   kRangeArabic   =    4;

 const uint8_t   kRangeBaltic   =    5;

 const uint8_t   kRangeThai     =    6;

 const uint8_t   kRangeKorean   =    7;

 const uint8_t   kRangeJapanese =    8;

 const uint8_t   kRangeSChinese =    9;

 const uint8_t   kRangeTChinese =   10;

 const uint8_t   kRangeDevanagari = 11;

 const uint8_t   kRangeTamil    =   12;

 const uint8_t   kRangeArmenian =   13;

 const uint8_t   kRangeBengali  =   14;

 const uint8_t   kRangeCanadian =   15;

 const uint8_t   kRangeEthiopic =   16;

 const uint8_t   kRangeGeorgian =   17;

 const uint8_t   kRangeGujarati =   18;

 const uint8_t   kRangeGurmukhi =   19;

 const uint8_t   kRangeKhmer    =   20;

 const uint8_t   kRangeMalayalam =  21;

 const uint8_t   kRangeOriya     =  22;

 const uint8_t   kRangeTelugu    =  23;

 const uint8_t   kRangeKannada   =  24;

 const uint8_t   kRangeSinhala   =  25;

 const uint8_t   kRangeTibetan   =  26;

 const uint8_t   kRangeSpecificItemNum = 27;

 //range/rangeSet grow to this place 27-29

 const uint8_t   kRangeSetStart  =  30;   // range set definition starts from here

 const uint8_t   kRangeSetLatin  =  30;

 const uint8_t   kRangeSetCJK    =  31;

 const uint8_t   kRangeSetEnd    =  31;   // range set definition ends here, this

                                          // and smaller ranges are used as bit

                                          // mask, don't increase this value.

 // less frequently used range definition

 const uint8_t   kRangeSurrogate            = 32;

 const uint8_t   kRangePrivate              = 33;

 const uint8_t   kRangeMisc                 = 34;

 const uint8_t   kRangeUnassigned           = 35;

 const uint8_t   kRangeSyriac               = 36;

 const uint8_t   kRangeThaana               = 37;

 const uint8_t   kRangeLao                  = 38;

 const uint8_t   kRangeMyanmar              = 39;

 const uint8_t   kRangeCherokee             = 40;

 const uint8_t   kRangeOghamRunic           = 41;

 const uint8_t   kRangeMongolian            = 42;

 const uint8_t   kRangeMathOperators        = 43;

 const uint8_t   kRangeMiscTechnical        = 44;

 const uint8_t   kRangeControlOpticalEnclose = 45;

 const uint8_t   kRangeBoxBlockGeometrics   = 46;

 const uint8_t   kRangeMiscSymbols          = 47;

 const uint8_t   kRangeDingbats             = 48;

 const uint8_t   kRangeBraillePattern       = 49;

 const uint8_t   kRangeYi                   = 50;

 const uint8_t   kRangeCombiningDiacriticalMarks = 51;

 const uint8_t   kRangeSpecials             = 52;

 // aggregate ranges for non-BMP codepoints (u+2xxxx are all CJK)

 const uint8_t   kRangeSMP                  = 53;  // u+1xxxx

 const uint8_t   kRangeHigherPlanes         = 54;  // u+3xxxx and above

 const uint8_t   kRangeTableBase   = 128;    //values over 127 are reserved for internal use only

 const uint8_t   kRangeTertiaryTable  = 145; // leave room for 16 subtable 

                                             // indices (kRangeTableBase + 1 ..

                                             // kRangeTableBase + 16)

 uint32_t FindCharUnicodeRange(uint32_t ch);

 nsIAtom* LangGroupFromUnicodeRange(uint8_t unicodeRange);