1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
|
/*
*
* (C) Copyright IBM Corp. 1998-2011 - 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)
#define _al (CC_AL_LAKUNA)
// 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 _fb (_ct | CF_PRE_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
_rv, _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, _iv, _db, _db, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx // 0AE0 - 0AEF
};
#if 1
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, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _ct, _bb, /* 0B10 - 0B1F */
_bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _bb, _xx, _bb, _bb, _bb, _bb, _bb, _pb, /* 0B20 - 0B2F */
_rb, _xx, _bb, _bb, _xx, _bb, _bb, _bb, _bb, _bb, _xx, _xx, _nu, _xx, _dr, _da, /* 0B30 - 0B3F */
_dr, _db, _db, _db, _xx, _xx, _xx, _dl, _s1, _xx, _xx, _s2, _s3, _vr, _xx, _xx, /* 0B40 - 0B4F */
_xx, _xx, _xx, _xx, _xx, _xx, _da, _dr, _xx, _xx, _xx, _xx, _cn, _cn, _xx, _pb, /* 0B50 - 0B5F */
_iv, _iv, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, /* 0B60 - 0B6F */
_xx, _bb /* 0B70 - 0B71 */
};
#else
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
};
#endif
static const IndicClassTable::CharClass tamlCharClasses[] =
{
_xx, _xx, _ma, _xx, _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, _ct, _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))
// U+C43 and U+C44 are _lm here not _dr. Similar to the situation with U+CC3 and
// U+CC4 in Kannada below.
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, _lm, _lm, _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, _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
_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, _ct, // 0D10 - 0D1F
_ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _ct, _xx, _ct, _ct, _ct, _ct, _ct, _pb, // 0D20 - 0D2F
_fb, _fb, _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, _al, _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: not sure passing ZWJ/ZWNJ is best way to render Malayalam Cillu...
// 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_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, 4, SINH_SCRIPT_FLAGS, sinhCharClasses, sinhSplitTable};
//
// IndicClassTable addresses
//
static const IndicClassTable * const indicClassTables[scriptCodeCount] = {
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) */
NULL, /* 'bali' (BALINESE) */
NULL, /* 'batk' (BATK) */
NULL, /* 'blis' (BLIS) */
NULL, /* 'brah' (BRAH) */
NULL, /* 'cham' (CHAM) */
NULL, /* 'cirt' (CIRT) */
NULL, /* 'cyrs' (CYRS) */
NULL, /* 'egyd' (EGYD) */
NULL, /* 'egyh' (EGYH) */
NULL, /* 'egyp' (EGYP) */
NULL, /* 'geok' (GEOK) */
NULL, /* 'hans' (HANS) */
NULL, /* 'hant' (HANT) */
NULL, /* 'hmng' (HMNG) */
NULL, /* 'hung' (HUNG) */
NULL, /* 'inds' (INDS) */
NULL, /* 'java' (JAVA) */
NULL, /* 'kali' (KALI) */
NULL, /* 'latf' (LATF) */
NULL, /* 'latg' (LATG) */
NULL, /* 'lepc' (LEPC) */
NULL, /* 'lina' (LINA) */
NULL, /* 'mand' (MAND) */
NULL, /* 'maya' (MAYA) */
NULL, /* 'mero' (MERO) */
NULL, /* 'nko ' (NKO) */
NULL, /* 'orkh' (ORKH) */
NULL, /* 'perm' (PERM) */
NULL, /* 'phag' (PHAGS_PA) */
NULL, /* 'phnx' (PHOENICIAN) */
NULL, /* 'plrd' (PLRD) */
NULL, /* 'roro' (RORO) */
NULL, /* 'sara' (SARA) */
NULL, /* 'syre' (SYRE) */
NULL, /* 'syrj' (SYRJ) */
NULL, /* 'syrn' (SYRN) */
NULL, /* 'teng' (TENG) */
NULL, /* 'vai ' (VAII) */
NULL, /* 'visp' (VISP) */
NULL, /* 'xsux' (CUNEIFORM) */
NULL, /* 'zxxx' (ZXXX) */
NULL, /* 'zzzz' (UNKNOWN) */
NULL, /* 'cari' (CARI) */
NULL, /* 'jpan' (JPAN) */
NULL, /* 'lana' (LANA) */
NULL, /* 'lyci' (LYCI) */
NULL, /* 'lydi' (LYDI) */
NULL, /* 'olck' (OLCK) */
NULL, /* 'rjng' (RJNG) */
NULL, /* 'saur' (SAUR) */
NULL, /* 'sgnw' (SGNW) */
NULL, /* 'sund' (SUND) */
NULL, /* 'moon' (MOON) */
NULL, /* 'mtei' (MTEI) */
NULL, /* 'armi' (ARMI) */
NULL, /* 'avst' (AVST) */
NULL, /* 'cakm' (CAKM) */
NULL, /* 'kore' (KORE) */
NULL, /* 'kthi' (KTHI) */
NULL, /* 'mani' (MANI) */
NULL, /* 'phli' (PHLI) */
NULL, /* 'phlp' (PHLP) */
NULL, /* 'phlv' (PHLV) */
NULL, /* 'prti' (PRTI) */
NULL, /* 'samr' (SAMR) */
NULL, /* 'tavt' (TAVT) */
NULL, /* 'zmth' (ZMTH) */
NULL, /* 'zsym' (ZSYM) */
NULL, /* 'bamu' (BAMUM) */
NULL, /* 'lisu' (LISU) */
NULL, /* 'nkgb' (NKGB) */
NULL /* 'sarb' (OLD_SOUTH_ARABIAN) */
};
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
|
