/*

 *

 * (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

#define ARRAY_SIZE(array) (sizeof array  / sizeof array[0])

// 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)

// Added by Nokia -- Devanagai independent vowel A -> special case

#define _ia	 (CC_INDEPENDENT_VOWEL_A)

#define _i2  (CC_INDEPENDENT_VOWEL_2)

#define _ct  (CC_CONSONANT | CF_CONSONANT)

#define _cn  (CC_CONSONANT_WITH_NUKTA | CF_CONSONANT)

// Added by Nokia -- Special case Kannada and Bengali Ra to satisfy usecase (Initial)Ra + ZWJ + Virama + Consonant

#define _cr  (CC_CONSONANT_KANNADA_BENGALI_RA | CF_CONSONANT)

#define _nu  (CC_NUKTA)

#define _dv  (CC_DEPENDENT_VOWEL)

// Added by Nokia -- Devanagari vowel CANDRA E -> special case with independent vowel A

#define _de	 (CC_DEPENDENT_VOWEL_CANDRA_E | CF_POS_ABOVE)

// Added by Nokia -- Gurmukhi bearer ARA

#define _ba  (CC_GUR_BEARER_A)

// Added by Nokia -- Gurmukhi bearer IRI

#define _bi  (CC_GUR_BEARER_I)

// Added by Nokia -- Gurmukhi bearer URA

#define _bu  (CC_GUR_BEARER_U)

// Added by Nokia -- Gurmukhi dependent vowel which combined with bearer ARA to form an independent vowel

#define _ga  (CC_GUR_DEPENDENT_VOWEL_A)

// Added by Nokia -- Gurmukhi dependent vowel which combined with bearer IRI to form an independent vowel

#define _gi  (CC_GUR_DEPENDENT_VOWEL_I)

// Added by Nokia -- Gurmukhi dependent vowel which combined with bearer URA to form an independent vowel

#define _gu  (CC_GUR_DEPENDENT_VOWEL_U)

#define _gar (_ga | CF_POS_AFTER)

#define _gaa (_ga | CF_POS_ABOVE)

#define _gil (_gi | CF_POS_BEFORE)

#define _gir (_gi | CF_POS_AFTER)

#define _gia (_gi | CF_POS_ABOVE)

#define _gub (_gu | CF_POS_BELOW)

#define _gua (_gu | CF_POS_ABOVE)

#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 _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)

// Added by Nokia -- for Kannada Ra & Bengali Ra

#define _b2  (_cr | CF_BELOW_BASE)

#define _kr  (_b2 | CF_REPH)

// Added by Nokia -- for Bengali Ya

#define _by  (_pb | CF_CONSONANT_BENGALI_YA)

// Added by Nokia -- for Tamil independent vowel O

#define _to  (CC_INDEPENDENT_VOWEL_TAMIL_O | CF_POS_AFTER)

// Added by Nokia -- for Malayalam CHILLU

#define _pbc  (_pb | CF_CONSONANT_MLYL_CHILLU)

#define _bbc  (_bb | CF_CONSONANT_MLYL_CHILLU)

#define _ctc  (_ct | CF_CONSONANT_MLYL_CHILLU)

//

// Character class tables

//

static const IndicClassTable::CharClass devaCharClasses[] =

{

    _xx, _ma, _ma, _mp, _iv, _ia, _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, _de, _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

};

// Nokia: Changed 09AF character from _pb to _by which represents a Bengali Ya which may or may not take

// post base form, depending on its position within a consonant cluster.

// Also changed 09B0 from _rb to special case _kr to satiisfy the usecase Ra + ZWJ + Virama + Consonant.

// Changed 09E2 and 09E3 to _db here, not _dv since the Bengali rendering rules want them below

// the base consonant.

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, _by, // 09A0 - 09AF

    _kr, _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, _db, _db, _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

};

// Nokia: Changed 0A05 from _iv to _ba and 0A72&0A73 from _ct to _bi&_bu, changed 0A3E,0A48&0A4C

// from _d* to _ga*, 0A3F,0A40&0A47 from _d* to _gi*, 0A41,0A42&0A4B from _d* to _gu* to support 

// decompositions of the independent vowels into a sequence of a vowel bearer and a depending vowel sign.

// Also changed 0A2F from _bb to _pb since YA is expected to post-base when combined in constant cluster. 

static const IndicClassTable::CharClass punjCharClasses[] =

{

    _xx, _ma, _ma, _mp, _xx, _ba, _iv, _iv, _iv, _iv, _iv, _xx, _xx, _xx, _xx, _iv, // 0A00 - 0A0F

    _iv, _xx, _xx, _iv, _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, _pb, // 0A20 - 0A2F

    _vt, _xx, _ct, _cn, _xx, _bb, _cn, _xx, _ct, _bb, _xx, _xx, _nu, _xx, _gar, _gil, // 0A30 - 0A3F

    _gir, _gub, _gub, _xx, _xx, _xx, _xx, _gia, _gaa, _xx, _xx, _gua, _gaa, _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, _bi, _bu, _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

};

// Nokia: Changed 0B92 to _to for the exceptional case of Tamil independent vowel O

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, _to, _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))

// Nokia: Changed 0C31 character to _bb as with _ct the consonant cluster is not rendered correctly.

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, _bb, _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

// Nokia: Changed 0CBC character class to _nu (NUKTA), as post Unicode 4.0, this

// code point is classified as the Kannada NUKTA character.

// Also changed 0CB0 from _rb to special case _cr to satiisfy the usecase Ra + ZWJ + Virama + Consonant

// see _cr and _rb above

static const IndicClassTable::CharClass kndaCharClasses[] =

{

    _xx, _xx, _mp, _mp, _xx, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _iv, _xx, _iv, _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

    _kr, _ct, _bb, _bb, _xx, _bb, _bb, _bb, _bb, _bb, _xx, _xx, _nu, _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, _bb, _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 //old

    _iv, _xx, _iv, _iv, _iv, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, // 0D10 - 0D1F

//    _ct, _ct, _ct, _bb, _ct, _bb, _bb, _ct, _ct, _xx, _ct, _ct, _ct, _ct, _ct, _pb, // 0D20 - 0D2F //old

    _ct, _ct, _ct, _ctc, _ct, _ct, _ct, _ct, _ctc, _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 //old

    _pbc, _cn, _bbc, _ctc, _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

};

//

// 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}};

//

// 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)

#define BENG_SCRIPT_FLAGS (SF_REPH_AFTER_BELOW | SF_NO_POST_BASE_LIMIT)

#define PUNJ_SCRIPT_FLAGS (SF_NO_POST_BASE_LIMIT | SF_MATRAS_AFTER_POSTBASE)

#define GUJR_SCRIPT_FLAGS (SF_NO_POST_BASE_LIMIT)

#define ORYA_SCRIPT_FLAGS (SF_REPH_AFTER_BELOW | SF_NO_POST_BASE_LIMIT)

#define TAML_SCRIPT_FLAGS (SF_MPRE_FIXUP | SF_NO_POST_BASE_LIMIT)

#define TELU_SCRIPT_FLAGS (SF_MATRAS_AFTER_BASE | 3)

#define KNDA_SCRIPT_FLAGS (SF_MATRAS_AFTER_BASE | 3)

#define MLYM_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};

//

// 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,            /* 'qaac' (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) */

    NULL,            /* '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) */

};

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();

}

U_NAMESPACE_END