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