/* * * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved * */ #include "LETypes.h" #include "LEScripts.h" #include "OpenTypeTables.h" #include "OpenTypeUtilities.h" #include "IndicReordering.h" U_NAMESPACE_BEGIN // Split matra table indices #define _x1 (1 << CF_INDEX_SHIFT) #define _x2 (2 << CF_INDEX_SHIFT) #define _x3 (3 << CF_INDEX_SHIFT) #define _x4 (4 << CF_INDEX_SHIFT) #define _x5 (5 << CF_INDEX_SHIFT) #define _x6 (6 << CF_INDEX_SHIFT) #define _x7 (7 << CF_INDEX_SHIFT) #define _x8 (8 << CF_INDEX_SHIFT) #define _x9 (9 << CF_INDEX_SHIFT) // simple classes #define _xx (CC_RESERVED) #define _ma (CC_VOWEL_MODIFIER | CF_POS_ABOVE) #define _mp (CC_VOWEL_MODIFIER | CF_POS_AFTER) #define _sa (CC_STRESS_MARK | CF_POS_ABOVE) #define _sb (CC_STRESS_MARK | CF_POS_BELOW) #define _iv (CC_INDEPENDENT_VOWEL) #define _i2 (CC_INDEPENDENT_VOWEL_2) #define _i3 (CC_INDEPENDENT_VOWEL_3) #define _ct (CC_CONSONANT | CF_CONSONANT) #define _cn (CC_CONSONANT_WITH_NUKTA | CF_CONSONANT) #define _nu (CC_NUKTA) #define _dv (CC_DEPENDENT_VOWEL) #define _dl (_dv | CF_POS_BEFORE) #define _db (_dv | CF_POS_BELOW) #define _da (_dv | CF_POS_ABOVE) #define _dr (_dv | CF_POS_AFTER) #define _lm (_dv | CF_LENGTH_MARK) #define _l1 (CC_SPLIT_VOWEL_PIECE_1 | CF_POS_BEFORE) #define _a1 (CC_SPLIT_VOWEL_PIECE_1 | CF_POS_ABOVE) #define _b2 (CC_SPLIT_VOWEL_PIECE_2 | CF_POS_BELOW) #define _r2 (CC_SPLIT_VOWEL_PIECE_2 | CF_POS_AFTER) #define _m2 (CC_SPLIT_VOWEL_PIECE_2 | CF_LENGTH_MARK) #define _m3 (CC_SPLIT_VOWEL_PIECE_3 | CF_LENGTH_MARK) #define _vr (CC_VIRAMA) // split matras #define _s1 (_dv | _x1) #define _s2 (_dv | _x2) #define _s3 (_dv | _x3) #define _s4 (_dv | _x4) #define _s5 (_dv | _x5) #define _s6 (_dv | _x6) #define _s7 (_dv | _x7) #define _s8 (_dv | _x8) #define _s9 (_dv | _x9) // consonants with special forms // NOTE: this assumes that no consonants with nukta have // special forms... (Bengali RA?) #define _bb (_ct | CF_BELOW_BASE) #define _pb (_ct | CF_POST_BASE) #define _vt (_bb | CF_VATTU) #define _rv (_vt | CF_REPH) #define _rp (_pb | CF_REPH) #define _rb (_bb | CF_REPH) // // Character class tables // static const IndicClassTable::CharClass devaCharClasses[] = { _xx, _ma, _ma, _mp, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, // 0900 - 090F _iv, _iv, _iv, _iv, _iv, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, // 0910 - 091F _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _cn, _ct, _ct, _ct, _ct, _ct, _ct, // 0920 - 092F _rv, _cn, _ct, _ct, _cn, _ct, _ct, _ct, _ct, _ct, _xx, _xx, _nu, _xx, _dr, _dl, // 0930 - 093F _dr, _db, _db, _db, _db, _da, _da, _da, _da, _dr, _dr, _dr, _dr, _vr, _xx, _xx, // 0940 - 094F _xx, _sa, _sb, _sa, _sa, _xx, _xx, _xx, _cn, _cn, _cn, _cn, _cn, _cn, _cn, _cn, // 0950 - 095F _iv, _iv, _db, _db, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0960 - 096F _xx // 0970 }; static const IndicClassTable::CharClass bengCharClasses[] = { _xx, _ma, _mp, _mp, _xx, _i2, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _xx, _xx, _i2, // 0980 - 098F _iv, _xx, _xx, _iv, _iv, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, // 0990 - 099F _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _xx, _ct, _ct, _bb, _ct, _ct, _pb, // 09A0 - 09AF _rv, _xx, _ct, _xx, _xx, _xx, _ct, _ct, _ct, _ct, _xx, _xx, _nu, _xx, _r2, _dl, // 09B0 - 09BF _dr, _db, _db, _db, _db, _xx, _xx, _l1, _dl, _xx, _xx, _s1, _s2, _vr, _xx, _xx, // 09C0 - 09CF _xx, _xx, _xx, _xx, _xx, _xx, _xx, _m2, _xx, _xx, _xx, _xx, _cn, _cn, _xx, _cn, // 09D0 - 09DF _iv, _iv, _dv, _dv, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 09E0 - 09EF _ct, _ct, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx // 09F0 - 09FA }; static const IndicClassTable::CharClass punjCharClasses[] = { _xx, _ma, _ma, _mp, _xx, _iv, _iv, _iv, _iv, _iv, _iv, _xx, _xx, _xx, _xx, _iv, // 0A00 - 0A0F _iv, _xx, _xx, _i3, _iv, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, // 0A10 - 0A1F _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _xx, _ct, _ct, _ct, _ct, _ct, _bb, // 0A20 - 0A2F _vt, _xx, _ct, _cn, _xx, _bb, _cn, _xx, _ct, _bb, _xx, _xx, _nu, _xx, _dr, _dl, // 0A30 - 0A3F _dr, _b2, _db, _xx, _xx, _xx, _xx, _da, _da, _xx, _xx, _a1, _da, _vr, _xx, _xx, // 0A40 - 0A4F _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _cn, _cn, _cn, _ct, _xx, _cn, _xx, // 0A50 - 0A5F _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0A60 - 0A6F _ma, _ma, _xx, _xx, _xx // 0A70 - 0A74 }; static const IndicClassTable::CharClass gujrCharClasses[] = { _xx, _ma, _ma, _mp, _xx, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _xx, _iv, _xx, _iv, // 0A80 - 0A8F _iv, _iv, _xx, _iv, _iv, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, // 0A90 - 0A9F _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _xx, _ct, _ct, _ct, _ct, _ct, _ct, // 0AA0 - 0AAF _rv, _xx, _ct, _ct, _xx, _ct, _ct, _ct, _ct, _ct, _xx, _xx, _nu, _xx, _dr, _dl, // 0AB0 - 0ABF _dr, _db, _db, _db, _db, _da, _xx, _da, _da, _dr, _xx, _dr, _dr, _vr, _xx, _xx, // 0AC0 - 0ACF _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0AD0 - 0ADF _iv, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx // 0AE0 - 0AEF }; static const IndicClassTable::CharClass oryaCharClasses[] = { _xx, _ma, _mp, _mp, _xx, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _xx, _xx, _iv, // 0B00 - 0B0F _iv, _xx, _xx, _iv, _iv, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, // 0B10 - 0B1F _ct, _ct, _ct, _ct, _bb, _ct, _ct, _ct, _bb, _xx, _ct, _ct, _bb, _bb, _bb, _pb, // 0B20 - 0B2F _rb, _xx, _bb, _bb, _xx, _ct, _ct, _ct, _ct, _ct, _xx, _xx, _nu, _xx, _r2, _da, // 0B30 - 0B3F _dr, _db, _db, _db, _xx, _xx, _xx, _l1, _s1, _xx, _xx, _s2, _s3, _vr, _xx, _xx, // 0B40 - 0B4F _xx, _xx, _xx, _xx, _xx, _xx, _m2, _m2, _xx, _xx, _xx, _xx, _cn, _cn, _xx, _cn, // 0B50 - 0B5F _iv, _iv, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0B60 - 0B6F _xx, _ct // 0B70 - 0B71 }; static const IndicClassTable::CharClass tamlCharClasses[] = { _xx, _xx, _ma, _mp, _xx, _iv, _iv, _iv, _iv, _iv, _iv, _xx, _xx, _xx, _iv, _iv, // 0B80 - 0B8F _iv, _xx, _iv, _iv, _iv, _ct, _xx, _xx, _xx, _ct, _ct, _xx, _ct, _xx, _ct, _ct, // 0B90 - 0B9F _xx, _xx, _xx, _ct, _ct, _xx, _xx, _xx, _ct, _ct, _ct, _xx, _xx, _xx, _ct, _ct, // 0BA0 - 0BAF _ct, _ct, _ct, _ct, _ct, _ct, _xx, _ct, _ct, _ct, _xx, _xx, _xx, _xx, _r2, _dr, // 0BB0 - 0BBF _da, _dr, _dr, _xx, _xx, _xx, _l1, _l1, _dl, _xx, _s1, _s2, _s3, _vr, _xx, _xx, // 0BC0 - 0BCF _xx, _xx, _xx, _xx, _xx, _xx, _xx, _m2, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0BD0 - 0BDF _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0BE0 - 0BEF _xx, _xx, _xx // 0BF0 - 0BF2 }; // FIXME: Should some of the bb's be pb's? (KA, NA, MA, YA, VA, etc. (approx 13)) static const IndicClassTable::CharClass teluCharClasses[] = { _xx, _mp, _mp, _mp, _xx, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _xx, _iv, _iv, // 0C00 - 0C0F _iv, _xx, _iv, _iv, _iv, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, // 0C10 - 0C1F _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _xx, _bb, _bb, _bb, _bb, _bb, _bb, // 0C20 - 0C2F _bb, _ct, _bb, _bb, _xx, _bb, _bb, _bb, _bb, _bb, _xx, _xx, _xx, _xx, _da, _da, // 0C30 - 0C3F _da, _dr, _dr, _dr, _dr, _xx, _a1, _da, _s1, _xx, _da, _da, _da, _vr, _xx, _xx, // 0C40 - 0C4F _xx, _xx, _xx, _xx, _xx, _da, _m2, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0C50 - 0C5F _iv, _iv, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx // 0C60 - 0C6F }; // U+CC3 and U+CC4 are _lm here not _dr since the Kannada rendering // rules want them below and to the right of the entire cluster // // There's some information about this in: // // http://brahmi.sourceforge.net/docs/KannadaComputing.html static const IndicClassTable::CharClass kndaCharClasses[] = { _xx, _xx, _mp, _mp, _xx, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _xx, _iv, // 0C80 - 0C8F _iv, _xx, _iv, _iv, _iv, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, // 0C90 - 0C9F _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _xx, _bb, _bb, _bb, _bb, _bb, _bb, // 0CA0 - 0CAF _rb, _ct, _bb, _bb, _xx, _bb, _bb, _bb, _bb, _bb, _xx, _xx, _xx, _xx, _dr, _da, // 0CB0 - 0CBF _s1, _dr, _r2, _lm, _lm, _xx, _a1, _s2, _s3, _xx, _s4, _s5, _da, _vr, _xx, _xx, // 0CC0 - 0CCF _xx, _xx, _xx, _xx, _xx, _m3, _m2, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _ct, _xx, // 0CD0 - 0CDF _iv, _iv, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx // 0CE0 - 0CEF }; // FIXME: this is correct for old-style Malayalam (MAL) but not for reformed Malayalam (MLR) // FIXME: should there be a REPH for old-style Malayalam? static const IndicClassTable::CharClass mlymCharClasses[] = { _xx, _xx, _mp, _mp, _xx, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _xx, _iv, _iv, // 0D00 - 0D0F _iv, _xx, _iv, _iv, _iv, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _bb, // 0D10 - 0D1F _ct, _ct, _ct, _bb, _ct, _bb, _bb, _ct, _ct, _xx, _ct, _ct, _ct, _ct, _ct, _pb, // 0D20 - 0D2F _pb, _cn, _bb, _ct, _ct, _pb, _ct, _ct, _ct, _ct, _xx, _xx, _xx, _xx, _r2, _dr, // 0D30 - 0D3F _dr, _dr, _dr, _dr, _xx, _xx, _l1, _l1, _dl, _xx, _s1, _s2, _s3, _vr, _xx, _xx, // 0D40 - 0D4F _xx, _xx, _xx, _xx, _xx, _xx, _xx, _m2, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0D50 - 0D5F _iv, _iv, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx // 0D60 - 0D6F }; static const IndicClassTable::CharClass sinhCharClasses[] = { _xx, _xx, _mp, _mp, _xx, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, // 0D80 - 0D8F _iv, _iv, _iv, _iv, _iv, _iv, _iv, _xx, _xx, _xx, _ct, _ct, _ct, _ct, _ct, _ct, // 0D90 - 0D9F _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, // 0DA0 - 0DAF _ct, _ct, _xx, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _xx, _ct, _xx, _xx, // 0DB0 - 0DBF _ct, _ct, _ct, _ct, _ct, _ct, _ct, _xx, _xx, _xx, _vr, _xx, _xx, _xx, _xx, _dr, // 0DC0 - 0DCF _dr, _dr, _da, _da, _db, _xx, _db, _xx, _dr, _dl, _s1, _dl, _s2, _s3, _s4, _dr, // 0DD0 - 0DDF _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0DE0 - 0DEF _xx, _xx, _dr, _dr, _xx // 0DF0 - 0DF4 }; // // Split matra tables // static const SplitMatra bengSplitTable[] = {{0x09C7, 0x09BE}, {0x09C7, 0x09D7}}; static const SplitMatra oryaSplitTable[] = {{0x0B47, 0x0B56}, {0x0B47, 0x0B3E}, {0x0B47, 0x0B57}}; static const SplitMatra tamlSplitTable[] = {{0x0BC6, 0x0BBE}, {0x0BC7, 0x0BBE}, {0x0BC6, 0x0BD7}}; static const SplitMatra teluSplitTable[] = {{0x0C46, 0x0C56}}; static const SplitMatra kndaSplitTable[] = {{0x0CBF, 0x0CD5}, {0x0CC6, 0x0CD5}, {0x0CC6, 0x0CD6}, {0x0CC6, 0x0CC2}, {0x0CC6, 0x0CC2, 0x0CD5}}; static const SplitMatra mlymSplitTable[] = {{0x0D46, 0x0D3E}, {0x0D47, 0x0D3E}, {0x0D46, 0x0D57}}; static const SplitMatra sinhSplitTable[] = {{0x0DD9, 0x0DCA}, {0x0DD9, 0x0DCF}, {0x0DD9, 0x0DCF,0x0DCA}, {0x0DD9, 0x0DDF}}; // // Script Flags // // FIXME: post 'GSUB' reordering of MATRA_PRE's for Malayalam and Tamil // FIXME: reformed Malayalam needs to reorder VATTU to before base glyph... // FIXME: eyelash RA only for Devanagari?? #define DEVA_SCRIPT_FLAGS (SF_EYELASH_RA | SF_NO_POST_BASE_LIMIT | SF_FILTER_ZERO_WIDTH) #define BENG_SCRIPT_FLAGS (SF_REPH_AFTER_BELOW | SF_NO_POST_BASE_LIMIT | SF_FILTER_ZERO_WIDTH) #define PUNJ_SCRIPT_FLAGS (SF_NO_POST_BASE_LIMIT | SF_FILTER_ZERO_WIDTH) #define GUJR_SCRIPT_FLAGS (SF_NO_POST_BASE_LIMIT | SF_FILTER_ZERO_WIDTH) #define ORYA_SCRIPT_FLAGS (SF_REPH_AFTER_BELOW | SF_NO_POST_BASE_LIMIT | SF_FILTER_ZERO_WIDTH) #define TAML_SCRIPT_FLAGS (SF_MPRE_FIXUP | SF_NO_POST_BASE_LIMIT | SF_FILTER_ZERO_WIDTH) #define TELU_SCRIPT_FLAGS (SF_MATRAS_AFTER_BASE | SF_FILTER_ZERO_WIDTH | 3) #define KNDA_SCRIPT_FLAGS (SF_MATRAS_AFTER_BASE | SF_FILTER_ZERO_WIDTH | 3) #define MLYM_SCRIPT_FLAGS (SF_MPRE_FIXUP | SF_NO_POST_BASE_LIMIT | SF_FILTER_ZERO_WIDTH) #define SINH_SCRIPT_FLAGS (SF_MPRE_FIXUP | SF_NO_POST_BASE_LIMIT) // // Indic Class Tables // static const IndicClassTable devaClassTable = {0x0900, 0x0970, 2, DEVA_SCRIPT_FLAGS, devaCharClasses, NULL}; static const IndicClassTable bengClassTable = {0x0980, 0x09FA, 3, BENG_SCRIPT_FLAGS, bengCharClasses, bengSplitTable}; static const IndicClassTable punjClassTable = {0x0A00, 0x0A74, 2, PUNJ_SCRIPT_FLAGS, punjCharClasses, NULL}; static const IndicClassTable gujrClassTable = {0x0A80, 0x0AEF, 2, GUJR_SCRIPT_FLAGS, gujrCharClasses, NULL}; static const IndicClassTable oryaClassTable = {0x0B00, 0x0B71, 3, ORYA_SCRIPT_FLAGS, oryaCharClasses, oryaSplitTable}; static const IndicClassTable tamlClassTable = {0x0B80, 0x0BF2, 3, TAML_SCRIPT_FLAGS, tamlCharClasses, tamlSplitTable}; static const IndicClassTable teluClassTable = {0x0C00, 0x0C6F, 3, TELU_SCRIPT_FLAGS, teluCharClasses, teluSplitTable}; static const IndicClassTable kndaClassTable = {0x0C80, 0x0CEF, 4, KNDA_SCRIPT_FLAGS, kndaCharClasses, kndaSplitTable}; static const IndicClassTable mlymClassTable = {0x0D00, 0x0D6F, 3, MLYM_SCRIPT_FLAGS, mlymCharClasses, mlymSplitTable}; static const IndicClassTable sinhClassTable = {0x0D80, 0x0DF4, 3, SINH_SCRIPT_FLAGS, sinhCharClasses, sinhSplitTable}; // // IndicClassTable addresses // static const IndicClassTable * const indicClassTables[] = { NULL, /* 'zyyy' (COMMON) */ NULL, /* 'qaai' (INHERITED) */ NULL, /* 'arab' (ARABIC) */ NULL, /* 'armn' (ARMENIAN) */ &bengClassTable, /* 'beng' (BENGALI) */ NULL, /* 'bopo' (BOPOMOFO) */ NULL, /* 'cher' (CHEROKEE) */ NULL, /* 'copt' (COPTIC) */ NULL, /* 'cyrl' (CYRILLIC) */ NULL, /* 'dsrt' (DESERET) */ &devaClassTable, /* 'deva' (DEVANAGARI) */ NULL, /* 'ethi' (ETHIOPIC) */ NULL, /* 'geor' (GEORGIAN) */ NULL, /* 'goth' (GOTHIC) */ NULL, /* 'grek' (GREEK) */ &gujrClassTable, /* 'gujr' (GUJARATI) */ &punjClassTable, /* 'guru' (GURMUKHI) */ NULL, /* 'hani' (HAN) */ NULL, /* 'hang' (HANGUL) */ NULL, /* 'hebr' (HEBREW) */ NULL, /* 'hira' (HIRAGANA) */ &kndaClassTable, /* 'knda' (KANNADA) */ NULL, /* 'kata' (KATAKANA) */ NULL, /* 'khmr' (KHMER) */ NULL, /* 'laoo' (LAO) */ NULL, /* 'latn' (LATIN) */ &mlymClassTable, /* 'mlym' (MALAYALAM) */ NULL, /* 'mong' (MONGOLIAN) */ NULL, /* 'mymr' (MYANMAR) */ NULL, /* 'ogam' (OGHAM) */ NULL, /* 'ital' (OLD-ITALIC) */ &oryaClassTable, /* 'orya' (ORIYA) */ NULL, /* 'runr' (RUNIC) */ &sinhClassTable, /* 'sinh' (SINHALA) */ NULL, /* 'syrc' (SYRIAC) */ &tamlClassTable, /* 'taml' (TAMIL) */ &teluClassTable, /* 'telu' (TELUGU) */ NULL, /* 'thaa' (THAANA) */ NULL, /* 'thai' (THAI) */ NULL, /* 'tibt' (TIBETAN) */ NULL, /* 'cans' (CANADIAN-ABORIGINAL) */ NULL, /* 'yiii' (YI) */ NULL, /* 'tglg' (TAGALOG) */ NULL, /* 'hano' (HANUNOO) */ NULL, /* 'buhd' (BUHID) */ NULL, /* 'tagb' (TAGBANWA) */ NULL, /* 'brai' (BRAILLE) */ NULL, /* 'cprt' (CYPRIOT) */ NULL, /* 'limb' (LIMBU) */ NULL, /* 'linb' (LINEAR_B) */ NULL, /* 'osma' (OSMANYA) */ NULL, /* 'shaw' (SHAVIAN) */ NULL, /* 'tale' (TAI_LE) */ NULL, /* 'ugar' (UGARITIC) */ NULL, /* 'hrkt' (KATAKANA_OR_HIRAGANA) */ NULL, /* 'bugi' (BUGINESE) */ NULL, /* 'glag' (GLAGOLITIC) */ NULL, /* 'khar' (KHAROSHTHI) */ NULL, /* 'sylo' (SYLOTI_NAGRI) */ NULL, /* 'talu' (NEW_TAI_LUE) */ NULL, /* 'tfng' (TIFINAGH) */ NULL /* 'xpeo' (OLD_PERSIAN) */ }; IndicClassTable::CharClass IndicClassTable::getCharClass(LEUnicode ch) const { if (ch == C_SIGN_ZWJ) { return CF_CONSONANT | CC_ZERO_WIDTH_MARK; } if (ch == C_SIGN_ZWNJ) { return CC_ZERO_WIDTH_MARK; } if (ch < firstChar || ch > lastChar) { return CC_RESERVED; } return classTable[ch - firstChar]; } const IndicClassTable *IndicClassTable::getScriptClassTable(le_int32 scriptCode) { if (scriptCode < 0 || scriptCode >= scriptCodeCount) { return NULL; } return indicClassTables[scriptCode]; } le_int32 IndicReordering::getWorstCaseExpansion(le_int32 scriptCode) { const IndicClassTable *classTable = IndicClassTable::getScriptClassTable(scriptCode); if (classTable == NULL) { return 1; } return classTable->getWorstCaseExpansion(); } le_bool IndicReordering::getFilterZeroWidth(le_int32 scriptCode) { const IndicClassTable *classTable = IndicClassTable::getScriptClassTable(scriptCode); if (classTable == NULL) { return TRUE; } return classTable->getFilterZeroWidth(); } U_NAMESPACE_END