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#include "nscore.h"

// 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 PRUint32

// frequently used range definitions
const PRUint8   kRangeCyrillic =    0;
const PRUint8   kRangeGreek    =    1;
const PRUint8   kRangeTurkish  =    2;
const PRUint8   kRangeHebrew   =    3;
const PRUint8   kRangeArabic   =    4;
const PRUint8   kRangeBaltic   =    5;
const PRUint8   kRangeThai     =    6;
const PRUint8   kRangeKorean   =    7;
const PRUint8   kRangeJapanese =    8;
const PRUint8   kRangeSChinese =    9;
const PRUint8   kRangeTChinese =   10;
const PRUint8   kRangeDevanagari = 11;
const PRUint8   kRangeTamil    =   12;

const PRUint8   kRangeSpecificItemNum = 13;

//range/rangeSet grow to this place 13-29

const PRUint8   kRangeSetStart  =  30;    // range set definition starts from here
const PRUint8   kRangeSetLatin  =  30;
const PRUint8   kRangeSetCJK    =  31;
const PRUint8   kRangeSetEnd    =  31;   // range set definition ends here

// less frequently used range definition
const PRUint8   kRangeSurrogate            = 32;
const PRUint8   kRangePrivate              = 33;
const PRUint8   kRangeMisc                 = 34;
const PRUint8   kRangeUnassigned           = 35;
const PRUint8   kRangeSyriac               = 36;
const PRUint8   kRangeThaana               = 37;
const PRUint8   kRangeBengali              = 38;
const PRUint8   kRangeGurmukhi             = 39;
const PRUint8   kRangeGujarati             = 40;
const PRUint8   kRangeOriya                = 41;
const PRUint8   kRangeTelugu               = 42;
const PRUint8   kRangeKannada              = 43;
const PRUint8   kRangeMalayalam            = 44;
const PRUint8   kRangeSinhala              = 45;
const PRUint8   kRangeLao                  = 46;
const PRUint8   kRangeTibetan              = 47;
const PRUint8   kRangeMyanmar              = 48;
const PRUint8   kRangeGeorgian             = 49;
const PRUint8   kRangeEthiopic             = 50;
const PRUint8   kRangeCherokee             = 51;
const PRUint8   kRangeAboriginal           = 52;
const PRUint8   kRangeOghamRunic           = 53;
const PRUint8   kRangeKhmer                = 54;
const PRUint8   kRangeMongolian            = 55;
const PRUint8   kRangeMathOperators        = 56;
const PRUint8   kRangeMiscTechnical        = 57;
const PRUint8   kRangeControlOpticalEnclose = 58;
const PRUint8   kRangeBoxBlockGeometrics   = 59;
const PRUint8   kRangeMiscSymbols          = 60;
const PRUint8   kRangeDingbats             = 61;
const PRUint8   kRangeBraillePattern       = 62;
const PRUint8   kRangeYi                   = 63;
const PRUint8   kRangeCombiningDiacriticalMarks = 64;
const PRUint8   kRangeArmenian             = 65;

const PRUint8   kRangeTableBase   = 128;    //values over 127 are reserved for internal use only
const PRUint8   kRangeTertiaryTable  = 145; // leave room for 16 subtable 
                                            // indices (kRangeTableBase + 1 ..
                                            // kRangeTableBase + 16)



extern PRUint32 FindCharUnicodeRange(PRUnichar ch);
extern const char* gUnicodeRangeToLangGroupTable[];

inline const char* LangGroupFromUnicodeRange(PRUint8 unicodeRange)
{
  if (kRangeSpecificItemNum > unicodeRange)  
    return gUnicodeRangeToLangGroupTable[unicodeRange];
  return nsnull;
}