📄 unicoderange.cpp
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cRangeSetLatin, //u02xx cRangeGreek, //u03xx XXX 0300-036f is in fact cRangeCombiningDiacriticalMarks cRangeCyrillic, //u04xx cRangeTableBase+7, //u05xx, includes Cyrillic supplement, Hebrew, and Armenian cRangeArabic, //u06xx cRangeTertiaryTable, //u07xx cRangeUnassigned, //u08xx cRangeTertiaryTable, //u09xx cRangeTertiaryTable, //u0axx cRangeTertiaryTable, //u0bxx cRangeTertiaryTable, //u0cxx cRangeTertiaryTable, //u0dxx cRangeTertiaryTable, //u0exx cRangeTibetan, //u0fxx }, { //table for 1x-- cRangeTertiaryTable, //u10xx cRangeKorean, //u11xx cRangeEthiopic, //u12xx cRangeTertiaryTable, //u13xx cRangeCanadian, //u14xx cRangeCanadian, //u15xx cRangeTertiaryTable, //u16xx cRangeKhmer, //u17xx cRangeMongolian, //u18xx cRangeUnassigned, //u19xx cRangeUnassigned, //u1axx cRangeUnassigned, //u1bxx cRangeUnassigned, //u1cxx cRangeUnassigned, //u1dxx cRangeSetLatin, //u1exx cRangeGreek, //u1fxx }, { //table for 2x-- cRangeSetLatin, //u20xx cRangeSetLatin, //u21xx cRangeMathOperators, //u22xx cRangeMiscTechnical, //u23xx cRangeControlOpticalEnclose, //u24xx cRangeBoxBlockGeometrics, //u25xx cRangeMiscSymbols, //u26xx cRangeDingbats, //u27xx cRangeBraillePattern, //u28xx cRangeUnassigned, //u29xx cRangeUnassigned, //u2axx cRangeUnassigned, //u2bxx cRangeUnassigned, //u2cxx cRangeUnassigned, //u2dxx cRangeSetCJK, //u2exx cRangeSetCJK, //u2fxx }, { //table for ax-- cRangeYi, //ua0xx cRangeYi, //ua1xx cRangeYi, //ua2xx cRangeYi, //ua3xx cRangeYi, //ua4xx cRangeUnassigned, //ua5xx cRangeUnassigned, //ua6xx cRangeUnassigned, //ua7xx cRangeUnassigned, //ua8xx cRangeUnassigned, //ua9xx cRangeUnassigned, //uaaxx cRangeUnassigned, //uabxx cRangeKorean, //uacxx cRangeKorean, //uadxx cRangeKorean, //uaexx cRangeKorean, //uafxx }, { //table for dx-- cRangeKorean, //ud0xx cRangeKorean, //ud1xx cRangeKorean, //ud2xx cRangeKorean, //ud3xx cRangeKorean, //ud4xx cRangeKorean, //ud5xx cRangeKorean, //ud6xx cRangeKorean, //ud7xx cRangeSurrogate, //ud8xx cRangeSurrogate, //ud9xx cRangeSurrogate, //udaxx cRangeSurrogate, //udbxx cRangeSurrogate, //udcxx cRangeSurrogate, //uddxx cRangeSurrogate, //udexx cRangeSurrogate, //udfxx }, { // table for fx-- cRangePrivate, //uf0xx cRangePrivate, //uf1xx cRangePrivate, //uf2xx cRangePrivate, //uf3xx cRangePrivate, //uf4xx cRangePrivate, //uf5xx cRangePrivate, //uf6xx cRangePrivate, //uf7xx cRangePrivate, //uf8xx cRangeSetCJK, //uf9xx cRangeSetCJK, //ufaxx cRangeArabic, //ufbxx, includes alphabic presentation form cRangeArabic, //ufcxx cRangeArabic, //ufdxx cRangeArabic, //ufexx, includes Combining half marks, // CJK compatibility forms, // CJK compatibility forms, // small form variants cRangeTableBase+8, //uffxx, halfwidth and fullwidth forms, includes Specials }, { //table for 0x0500 - 0x05ff cRangeCyrillic, //u050x cRangeCyrillic, //u051x cRangeCyrillic, //u052x cRangeArmenian, //u053x cRangeArmenian, //u054x cRangeArmenian, //u055x cRangeArmenian, //u056x cRangeArmenian, //u057x cRangeArmenian, //u058x cRangeHebrew, //u059x cRangeHebrew, //u05ax cRangeHebrew, //u05bx cRangeHebrew, //u05cx cRangeHebrew, //u05dx cRangeHebrew, //u05ex cRangeHebrew, //u05fx }, { //table for 0xff00 - 0xffff cRangeSetCJK, //uff0x, fullwidth latin cRangeSetCJK, //uff1x, fullwidth latin cRangeSetCJK, //uff2x, fullwidth latin cRangeSetCJK, //uff3x, fullwidth latin cRangeSetCJK, //uff4x, fullwidth latin cRangeSetCJK, //uff5x, fullwidth latin cRangeSetCJK, //uff6x, halfwidth katakana cRangeSetCJK, //uff7x, halfwidth katakana cRangeSetCJK, //uff8x, halfwidth katakana cRangeSetCJK, //uff9x, halfwidth katakana cRangeSetCJK, //uffax, halfwidth hangul jamo cRangeSetCJK, //uffbx, halfwidth hangul jamo cRangeSetCJK, //uffcx, halfwidth hangul jamo cRangeSetCJK, //uffdx, halfwidth hangul jamo cRangeSetCJK, //uffex, fullwidth symbols cRangeSpecials, //ufffx, Specials },};// Most scripts between U+0700 and U+16FF are assigned a chunk of 128 (0x80) // code points so that the number of entries in the tertiary range// table for that range is obtained by dividing (0x1700 - 0x0700) by 128.// Exceptions: Ethiopic, Tibetan, Hangul Jamo and Canadian aboriginal // syllabaries take multiple chunks and Ogham and Runic share a single chunk.static const unsigned cTertiaryTableSize = ((0x1700 - 0x0700) / 0x80);static const unsigned char gUnicodeTertiaryRangeTable[cTertiaryTableSize] ={ //table for 0x0700 - 0x1600 cRangeSyriac, //u070x cRangeThaana, //u078x cRangeUnassigned, //u080x place holder(resolved in the 2ndary tab.) cRangeUnassigned, //u088x place holder(resolved in the 2ndary tab.) cRangeDevanagari, //u090x cRangeBengali, //u098x cRangeGurmukhi, //u0a0x cRangeGujarati, //u0a8x cRangeOriya, //u0b0x cRangeTamil, //u0b8x cRangeTelugu, //u0c0x cRangeKannada, //u0c8x cRangeMalayalam, //u0d0x cRangeSinhala, //u0d8x cRangeThai, //u0e0x cRangeLao, //u0e8x cRangeTibetan, //u0f0x place holder(resolved in the 2ndary tab.) cRangeTibetan, //u0f8x place holder(resolved in the 2ndary tab.) cRangeMyanmar, //u100x cRangeGeorgian, //u108x cRangeKorean, //u110x place holder(resolved in the 2ndary tab.) cRangeKorean, //u118x place holder(resolved in the 2ndary tab.) cRangeEthiopic, //u120x place holder(resolved in the 2ndary tab.) cRangeEthiopic, //u128x place holder(resolved in the 2ndary tab.) cRangeEthiopic, //u130x cRangeCherokee, //u138x cRangeCanadian, //u140x place holder(resolved in the 2ndary tab.) cRangeCanadian, //u148x place holder(resolved in the 2ndary tab.) cRangeCanadian, //u150x place holder(resolved in the 2ndary tab.) cRangeCanadian, //u158x place holder(resolved in the 2ndary tab.) cRangeCanadian, //u160x cRangeOghamRunic, //u168x this contains two scripts, Ogham & Runic};// A two level index is almost enough for locating a range, with the // exception of u03xx and u05xx. Since we don't really care about range for// combining diacritical marks in our font application, they are // not discriminated further. Future adoption of this method for other use // should be aware of this limitation. The implementation can be extended if // there is such a need.// For Indic, Southeast Asian scripts and some other scripts between// U+0700 and U+16FF, it's extended to the third level.unsigned int findCharUnicodeRange(UChar32 ch){ if (ch >= 0xFFFF) return 0; unsigned int range; //search the first table range = gUnicodeSubrangeTable[0][ch >> 12]; if (range < cRangeTableBase) // we try to get a specific range return range; // otherwise, we have one more table to look at range = gUnicodeSubrangeTable[range - cRangeTableBase][(ch & 0x0f00) >> 8]; if (range < cRangeTableBase) return range; if (range < cRangeTertiaryTable) return gUnicodeSubrangeTable[range - cRangeTableBase][(ch & 0x00f0) >> 4]; // Yet another table to look at : U+0700 - U+16FF : 128 code point blocks return gUnicodeTertiaryRangeTable[(ch - 0x0700) >> 7];}const char* langGroupFromUnicodeRange(unsigned char unicodeRange){ if (cRangeSpecificItemNum > unicodeRange) return gUnicodeRangeToLangGroupTable[unicodeRange]; return 0;}}⌨️ 快捷键说明
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