gecko/gfx/thebes/nsUnicodeRange.h

124 lines
5.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* The Original Code is mozilla.org code.
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#include "nscore.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 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 kRangeArmenian = 13;
const PRUint8 kRangeBengali = 14;
const PRUint8 kRangeCanadian = 15;
const PRUint8 kRangeEthiopic = 16;
const PRUint8 kRangeGeorgian = 17;
const PRUint8 kRangeGujarati = 18;
const PRUint8 kRangeGurmukhi = 19;
const PRUint8 kRangeKhmer = 20;
const PRUint8 kRangeMalayalam = 21;
const PRUint8 kRangeOriya = 22;
const PRUint8 kRangeTelugu = 23;
const PRUint8 kRangeKannada = 24;
const PRUint8 kRangeSinhala = 25;
const PRUint8 kRangeTibetan = 26;
const PRUint8 kRangeSpecificItemNum = 27;
//range/rangeSet grow to this place 27-29
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, this
// and smaller ranges are used as bit
// mask, don't increase this value.
// 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 kRangeLao = 38;
const PRUint8 kRangeMyanmar = 39;
const PRUint8 kRangeCherokee = 40;
const PRUint8 kRangeOghamRunic = 41;
const PRUint8 kRangeMongolian = 42;
const PRUint8 kRangeMathOperators = 43;
const PRUint8 kRangeMiscTechnical = 44;
const PRUint8 kRangeControlOpticalEnclose = 45;
const PRUint8 kRangeBoxBlockGeometrics = 46;
const PRUint8 kRangeMiscSymbols = 47;
const PRUint8 kRangeDingbats = 48;
const PRUint8 kRangeBraillePattern = 49;
const PRUint8 kRangeYi = 50;
const PRUint8 kRangeCombiningDiacriticalMarks = 51;
const PRUint8 kRangeSpecials = 52;
// aggregate ranges for non-BMP codepoints (u+2xxxx are all CJK)
const PRUint8 kRangeSMP = 53; // u+1xxxx
const PRUint8 kRangeHigherPlanes = 54; // u+3xxxx and above
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)
PRUint32 FindCharUnicodeRange(PRUint32 ch);
nsIAtom* LangGroupFromUnicodeRange(PRUint8 unicodeRange);