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gerrit-public.fairphone.software / platform / libcore / 319a3b994703aac84df7bcde272adfcb3cdbbbf0 / . / jdk / src / share / classes / sun / nio / cs / ext / ISCII91.java
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J. Duke319a3b92007-12-01 00:00:00 +0000[diff] [blame^]1/*
2 * Copyright 2002-2006 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26/*
27 */
28
29
30package sun.nio.cs.ext;
31
32import java.nio.charset.Charset;
33import java.nio.CharBuffer;
34import java.nio.ByteBuffer;
35import java.nio.charset.CharsetDecoder;
36import java.nio.charset.CharsetEncoder;
37import java.nio.charset.CoderResult;
38import sun.nio.cs.Surrogate;
39import sun.nio.cs.HistoricallyNamedCharset;
40
41public class ISCII91 extends Charset implements HistoricallyNamedCharset
42{
43 private static final char NUKTA_CHAR = '\u093c';
44 private static final char HALANT_CHAR = '\u094d';
45 private static final byte NO_CHAR = (byte)255;
46
47 public ISCII91() {
48 super("x-ISCII91", ExtendedCharsets.aliasesFor("x-ISCII91"));
49 }
50
51 public String historicalName() {
52 return "ISCII91";
53 }
54
55 public boolean contains(Charset cs) {
56 return ((cs.name().equals("US-ASCII"))
57 || (cs instanceof ISCII91));
58 }
59
60 public CharsetDecoder newDecoder() {
61 return new Decoder(this);
62 }
63
64 public CharsetEncoder newEncoder() {
65 return new Encoder(this);
66 }
67
68 private static final char[] directMapTable = {
69 '\u0000', // ascii character
70 '\u0001', // ascii character
71 '\u0002', // ascii character
72 '\u0003', // ascii character
73 '\u0004', // ascii character
74 '\u0005', // ascii character
75 '\u0006', // ascii character
76 '\u0007', // ascii character
77 '\u0008', // ascii character
78 '\u0009', // ascii character
79 '\012', // ascii character
80 '\u000b', // ascii character
81 '\u000c', // ascii character
82 '\015', // ascii character
83 '\u000e', // ascii character
84 '\u000f', // ascii character
85 '\u0010', // ascii character
86 '\u0011', // ascii character
87 '\u0012', // ascii character
88 '\u0013', // ascii character
89 '\u0014', // ascii character
90 '\u0015', // ascii character
91 '\u0016', // ascii character
92 '\u0017', // ascii character
93 '\u0018', // ascii character
94 '\u0019', // ascii character
95 '\u001a', // ascii character
96 '\u001b', // ascii character
97 '\u001c', // ascii character
98 '\u001d', // ascii character
99 '\u001e', // ascii character
100 '\u001f', // ascii character
101 '\u0020', // ascii character
102 '\u0021', // ascii character
103 '\u0022', // ascii character
104 '\u0023', // ascii character
105 '\u0024', // ascii character
106 '\u0025', // ascii character
107 '\u0026', // ascii character
108 (char)0x0027, // '\u0027' control -- ascii character
109 '\u0028', // ascii character
110 '\u0029', // ascii character
111 '\u002a', // ascii character
112 '\u002b', // ascii character
113 '\u002c', // ascii character
114 '\u002d', // ascii character
115 '\u002e', // ascii character
116 '\u002f', // ascii character
117 '\u0030', // ascii character
118 '\u0031', // ascii character
119 '\u0032', // ascii character
120 '\u0033', // ascii character
121 '\u0034', // ascii character
122 '\u0035', // ascii character
123 '\u0036', // ascii character
124 '\u0037', // ascii character
125 '\u0038', // ascii character
126 '\u0039', // ascii character
127 '\u003a', // ascii character
128 '\u003b', // ascii character
129 '\u003c', // ascii character
130 '\u003d', // ascii character
131 '\u003e', // ascii character
132 '\u003f', // ascii character
133 '\u0040', // ascii character
134 '\u0041', // ascii character
135 '\u0042', // ascii character
136 '\u0043', // ascii character
137 '\u0044', // ascii character
138 '\u0045', // ascii character
139 '\u0046', // ascii character
140 '\u0047', // ascii character
141 '\u0048', // ascii character
142 '\u0049', // ascii character
143 '\u004a', // ascii character
144 '\u004b', // ascii character
145 '\u004c', // ascii character
146 '\u004d', // ascii character
147 '\u004e', // ascii character
148 '\u004f', // ascii character
149 '\u0050', // ascii character
150 '\u0051', // ascii character
151 '\u0052', // ascii character
152 '\u0053', // ascii character
153 '\u0054', // ascii character
154 '\u0055', // ascii character
155 '\u0056', // ascii character
156 '\u0057', // ascii character
157 '\u0058', // ascii character
158 '\u0059', // ascii character
159 '\u005a', // ascii character
160 '\u005b', // ascii character
161 '\\',// '\u005c' -- ascii character
162 '\u005d', // ascii character
163 '\u005e', // ascii character
164 '\u005f', // ascii character
165 '\u0060', // ascii character
166 '\u0061', // ascii character
167 '\u0062', // ascii character
168 '\u0063', // ascii character
169 '\u0064', // ascii character
170 '\u0065', // ascii character
171 '\u0066', // ascii character
172 '\u0067', // ascii character
173 '\u0068', // ascii character
174 '\u0069', // ascii character
175 '\u006a', // ascii character
176 '\u006b', // ascii character
177 '\u006c', // ascii character
178 '\u006d', // ascii character
179 '\u006e', // ascii character
180 '\u006f', // ascii character
181 '\u0070', // ascii character
182 '\u0071', // ascii character
183 '\u0072', // ascii character
184 '\u0073', // ascii character
185 '\u0074', // ascii character
186 '\u0075', // ascii character
187 '\u0076', // ascii character
188 '\u0077', // ascii character
189 '\u0078', // ascii character
190 '\u0079', // ascii character
191 '\u007a', // ascii character
192 '\u007b', // ascii character
193 '\u007c', // ascii character
194 '\u007d', // ascii character
195 '\u007e', // ascii character
196 '\u007f', // ascii character
197 '\uffff', // unknown character
198 '\uffff', // unknown character
199 '\uffff', // unknown character
200 '\uffff', // unknown character
201 '\uffff', // unknown character
202 '\uffff', // unknown character
203 '\uffff', // unknown character
204 '\uffff', // unknown character
205 '\uffff', // unknown character
206 '\uffff', // unknown character
207 '\uffff', // unknown character
208 '\uffff', // unknown character
209 '\uffff', // unknown character
210 '\uffff', // unknown character
211 '\uffff', // unknown character
212 '\uffff', // unknown character
213 '\uffff', // unknown character
214 '\uffff', // unknown character
215 '\uffff', // unknown character
216 '\uffff', // unknown character
217 '\uffff', // unknown character
218 '\uffff', // unknown character
219 '\uffff', // unknown character
220 '\uffff', // unknown character
221 '\uffff', // unknown character
222 '\uffff', // unknown character
223 '\uffff', // unknown character
224 '\uffff', // unknown character
225 '\uffff', // unknown character
226 '\uffff', // unknown character
227 '\uffff', // unknown character
228 '\uffff', // unknown character
229 '\u0901', // a1 -- Vowel-modifier CHANDRABINDU
230 '\u0902', // a2 -- Vowel-modifier ANUSWAR
231 '\u0903', // a3 -- Vowel-modifier VISARG
232
233 '\u0905', // a4 -- Vowel A
234 '\u0906', // a5 -- Vowel AA
235 '\u0907', // a6 -- Vowel I
236 '\u0908', // a7 -- Vowel II
237 '\u0909', // a8 -- Vowel U
238 '\u090a', // a9 -- Vowel UU
239 '\u090b', // aa -- Vowel RI
240 '\u090e', // ab -- Vowel E ( Southern Scripts )
241 '\u090f', // ac -- Vowel EY
242 '\u0910', // ad -- Vowel AI
243 '\u090d', // ae -- Vowel AYE ( Devanagari Script )
244 '\u0912', // af -- Vowel O ( Southern Scripts )
245 '\u0913', // b0 -- Vowel OW
246 '\u0914', // b1 -- Vowel AU
247 '\u0911', // b2 -- Vowel AWE ( Devanagari Script )
248 '\u0915', // b3 -- Consonant KA
249 '\u0916', // b4 -- Consonant KHA
250 '\u0917', // b5 -- Consonant GA
251 '\u0918', // b6 -- Consonant GHA
252 '\u0919', // b7 -- Consonant NGA
253 '\u091a', // b8 -- Consonant CHA
254 '\u091b', // b9 -- Consonant CHHA
255 '\u091c', // ba -- Consonant JA
256 '\u091d', // bb -- Consonant JHA
257 '\u091e', // bc -- Consonant JNA
258 '\u091f', // bd -- Consonant Hard TA
259 '\u0920', // be -- Consonant Hard THA
260 '\u0921', // bf -- Consonant Hard DA
261 '\u0922', // c0 -- Consonant Hard DHA
262 '\u0923', // c1 -- Consonant Hard NA
263 '\u0924', // c2 -- Consonant Soft TA
264 '\u0925', // c3 -- Consonant Soft THA
265 '\u0926', // c4 -- Consonant Soft DA
266 '\u0927', // c5 -- Consonant Soft DHA
267 '\u0928', // c6 -- Consonant Soft NA
268 '\u0929', // c7 -- Consonant NA ( Tamil )
269 '\u092a', // c8 -- Consonant PA
270 '\u092b', // c9 -- Consonant PHA
271 '\u092c', // ca -- Consonant BA
272 '\u092d', // cb -- Consonant BHA
273 '\u092e', // cc -- Consonant MA
274 '\u092f', // cd -- Consonant YA
275 '\u095f', // ce -- Consonant JYA ( Bengali, Assamese & Oriya )
276 '\u0930', // cf -- Consonant RA
277 '\u0931', // d0 -- Consonant Hard RA ( Southern Scripts )
278 '\u0932', // d1 -- Consonant LA
279 '\u0933', // d2 -- Consonant Hard LA
280 '\u0934', // d3 -- Consonant ZHA ( Tamil & Malayalam )
281 '\u0935', // d4 -- Consonant VA
282 '\u0936', // d5 -- Consonant SHA
283 '\u0937', // d6 -- Consonant Hard SHA
284 '\u0938', // d7 -- Consonant SA
285 '\u0939', // d8 -- Consonant HA
286
287 '\u200d', // d9 -- Consonant INVISIBLE
288 '\u093e', // da -- Vowel Sign AA
289
290 '\u093f', // db -- Vowel Sign I
291 '\u0940', // dc -- Vowel Sign II
292 '\u0941', // dd -- Vowel Sign U
293 '\u0942', // de -- Vowel Sign UU
294 '\u0943', // df -- Vowel Sign RI
295 '\u0946', // e0 -- Vowel Sign E ( Southern Scripts )
296 '\u0947', // e1 -- Vowel Sign EY
297 '\u0948', // e2 -- Vowel Sign AI
298 '\u0945', // e3 -- Vowel Sign AYE ( Devanagari Script )
299 '\u094a', // e4 -- Vowel Sign O ( Southern Scripts )
300 '\u094b', // e5 -- Vowel Sign OW
301 '\u094c', // e6 -- Vowel Sign AU
302 '\u0949', // e7 -- Vowel Sign AWE ( Devanagari Script )
303
304 '\u094d', // e8 -- Vowel Omission Sign ( Halant )
305 '\u093c', // e9 -- Diacritic Sign ( Nukta )
306 '\u0964', // ea -- Full Stop ( Viram, Northern Scripts )
307
308 '\uffff', // eb -- This position shall not be used
309 '\uffff', // ec -- This position shall not be used
310 '\uffff', // ed -- This position shall not be used
311 '\uffff', // ee -- This position shall not be used
312
313 '\ufffd', // ef -- Attribute Code ( ATR )
314 '\ufffd', // f0 -- Extension Code ( EXT )
315
316 '\u0966', // f1 -- Digit 0
317 '\u0967', // f2 -- Digit 1
318 '\u0968', // f3 -- Digit 2
319 '\u0969', // f4 -- Digit 3
320 '\u096a', // f5 -- Digit 4
321 '\u096b', // f6 -- Digit 5
322 '\u096c', // f7 -- Digit 6
323 '\u096d', // f8 -- Digit 7
324 '\u096e', // f9 -- Digit 8
325 '\u096f', // fa -- Digit 9
326
327 '\uffff', // fb -- This position shall not be used
328 '\uffff', // fc -- This position shall not be used
329 '\uffff', // fd -- This position shall not be used
330 '\uffff', // fe -- This position shall not be used
331 '\uffff' // ff -- This position shall not be used
332 }; //end of table definition
333
334 /**
335 * This accessor is temporarily supplied while sun.io
336 * converters co-exist with the sun.nio.cs.{ext} charset coders
337 * These facilitate sharing of conversion tables between the
338 * two co-existing implementations. When sun.io converters
339 * are made extinct these will be unnecessary and should be removed
340 */
341
342 public static char[] getDirectMapTable() {
343 return directMapTable;
344 }
345
346 private static final byte[] encoderMappingTable = {
347 NO_CHAR,NO_CHAR, //0900 <reserved>
348 (byte)161,NO_CHAR, //0901 -- DEVANAGARI SIGN CANDRABINDU = anunasika
349 (byte)162,NO_CHAR, //0902 -- DEVANAGARI SIGN ANUSVARA = bindu
350 (byte)163,NO_CHAR, //0903 -- DEVANAGARI SIGN VISARGA
351 NO_CHAR,NO_CHAR, //0904 <reserved>
352 (byte)164,NO_CHAR, //0905 -- DEVANAGARI LETTER A
353 (byte)165,NO_CHAR, //0906 -- DEVANAGARI LETTER AA
354 (byte)166,NO_CHAR, //0907 -- DEVANAGARI LETTER I
355 (byte)167,NO_CHAR, //0908 -- DEVANAGARI LETTER II
356 (byte)168,NO_CHAR, //0909 -- DEVANAGARI LETTER U
357 (byte)169,NO_CHAR, //090a -- DEVANAGARI LETTER UU
358 (byte)170,NO_CHAR, //090b -- DEVANAGARI LETTER VOCALIC R
359 (byte)166,(byte)233, //090c -- DEVANAGARI LETTER VOVALIC L
360 (byte)174,NO_CHAR, //090d -- DEVANAGARI LETTER CANDRA E
361 (byte)171,NO_CHAR, //090e -- DEVANAGARI LETTER SHORT E
362 (byte)172,NO_CHAR, //090f -- DEVANAGARI LETTER E
363 (byte)173,NO_CHAR, //0910 -- DEVANAGARI LETTER AI
364 (byte)178,NO_CHAR, //0911 -- DEVANAGARI LETTER CANDRA O
365 (byte)175,NO_CHAR, //0912 -- DEVANAGARI LETTER SHORT O
366 (byte)176,NO_CHAR, //0913 -- DEVANAGARI LETTER O
367 (byte)177,NO_CHAR, //0914 -- DEVANAGARI LETTER AU
368 (byte)179,NO_CHAR, //0915 -- DEVANAGARI LETTER KA
369 (byte)180,NO_CHAR, //0916 -- DEVANAGARI LETTER KHA
370 (byte)181,NO_CHAR, //0917 -- DEVANAGARI LETTER GA
371 (byte)182,NO_CHAR, //0918 -- DEVANAGARI LETTER GHA
372 (byte)183,NO_CHAR, //0919 -- DEVANAGARI LETTER NGA
373 (byte)184,NO_CHAR, //091a -- DEVANAGARI LETTER CA
374 (byte)185,NO_CHAR, //091b -- DEVANAGARI LETTER CHA
375 (byte)186,NO_CHAR, //091c -- DEVANAGARI LETTER JA
376 (byte)187,NO_CHAR, //091d -- DEVANAGARI LETTER JHA
377 (byte)188,NO_CHAR, //091e -- DEVANAGARI LETTER NYA
378 (byte)189,NO_CHAR, //091f -- DEVANAGARI LETTER TTA
379 (byte)190,NO_CHAR, //0920 -- DEVANAGARI LETTER TTHA
380 (byte)191,NO_CHAR, //0921 -- DEVANAGARI LETTER DDA
381 (byte)192,NO_CHAR, //0922 -- DEVANAGARI LETTER DDHA
382 (byte)193,NO_CHAR, //0923 -- DEVANAGARI LETTER NNA
383 (byte)194,NO_CHAR, //0924 -- DEVANAGARI LETTER TA
384 (byte)195,NO_CHAR, //0925 -- DEVANAGARI LETTER THA
385 (byte)196,NO_CHAR, //0926 -- DEVANAGARI LETTER DA
386 (byte)197,NO_CHAR, //0927 -- DEVANAGARI LETTER DHA
387 (byte)198,NO_CHAR, //0928 -- DEVANAGARI LETTER NA
388 (byte)199,NO_CHAR, //0929 -- DEVANAGARI LETTER NNNA <=> 0928 + 093C
389 (byte)200,NO_CHAR, //092a -- DEVANAGARI LETTER PA
390 (byte)201,NO_CHAR, //092b -- DEVANAGARI LETTER PHA
391 (byte)202,NO_CHAR, //092c -- DEVANAGARI LETTER BA
392 (byte)203,NO_CHAR, //092d -- DEVANAGARI LETTER BHA
393 (byte)204,NO_CHAR, //092e -- DEVANAGARI LETTER MA
394 (byte)205,NO_CHAR, //092f -- DEVANAGARI LETTER YA
395 (byte)207,NO_CHAR, //0930 -- DEVANAGARI LETTER RA
396 (byte)208,NO_CHAR, //0931 -- DEVANAGARI LETTER RRA <=> 0930 + 093C
397 (byte)209,NO_CHAR, //0932 -- DEVANAGARI LETTER LA
398 (byte)210,NO_CHAR, //0933 -- DEVANAGARI LETTER LLA
399 (byte)211,NO_CHAR, //0934 -- DEVANAGARI LETTER LLLA <=> 0933 + 093C
400 (byte)212,NO_CHAR, //0935 -- DEVANAGARI LETTER VA
401 (byte)213,NO_CHAR, //0936 -- DEVANAGARI LETTER SHA
402 (byte)214,NO_CHAR, //0937 -- DEVANAGARI LETTER SSA
403 (byte)215,NO_CHAR, //0938 -- DEVANAGARI LETTER SA
404 (byte)216,NO_CHAR, //0939 -- DEVANAGARI LETTER HA
405 NO_CHAR,NO_CHAR, //093a <reserved>
406 NO_CHAR,NO_CHAR, //093b <reserved>
407 (byte)233,NO_CHAR, //093c -- DEVANAGARI SIGN NUKTA
408 (byte)234,(byte)233, //093d -- DEVANAGARI SIGN AVAGRAHA
409 (byte)218,NO_CHAR, //093e -- DEVANAGARI VOWEL SIGN AA
410 (byte)219,NO_CHAR, //093f -- DEVANAGARI VOWEL SIGN I
411 (byte)220,NO_CHAR, //0940 -- DEVANAGARI VOWEL SIGN II
412 (byte)221,NO_CHAR, //0941 -- DEVANAGARI VOWEL SIGN U
413 (byte)222,NO_CHAR, //0942 -- DEVANAGARI VOWEL SIGN UU
414 (byte)223,NO_CHAR, //0943 -- DEVANAGARI VOWEL SIGN VOCALIC R
415 (byte)223,(byte)233, //0944 -- DEVANAGARI VOWEL SIGN VOCALIC RR
416 (byte)227,NO_CHAR, //0945 -- DEVANAGARI VOWEL SIGN CANDRA E
417 (byte)224,NO_CHAR, //0946 -- DEVANAGARI VOWEL SIGN SHORT E
418 (byte)225,NO_CHAR, //0947 -- DEVANAGARI VOWEL SIGN E
419 (byte)226,NO_CHAR, //0948 -- DEVANAGARI VOWEL SIGN AI
420 (byte)231,NO_CHAR, //0949 -- DEVANAGARI VOWEL SIGN CANDRA O
421 (byte)228,NO_CHAR, //094a -- DEVANAGARI VOWEL SIGN SHORT O
422 (byte)229,NO_CHAR, //094b -- DEVANAGARI VOWEL SIGN O
423 (byte)230,NO_CHAR, //094c -- DEVANAGARI VOWEL SIGN AU
424 (byte)232,NO_CHAR, //094d -- DEVANAGARI SIGN VIRAMA ( halant )
425 NO_CHAR,NO_CHAR, //094e <reserved>
426 NO_CHAR,NO_CHAR, //094f <reserved>
427 (byte)161,(byte)233, //0950 -- DEVANAGARI OM
428 (byte)240,(byte)181, //0951 -- DEVANAGARI STRESS SIGN UDATTA
429 (byte)240,(byte)184, //0952 -- DEVANAGARI STRESS SIGN ANUDATTA
430 (byte)254,NO_CHAR, //0953 -- DEVANAGARI GRAVE ACCENT || MISSING
431 (byte)254,NO_CHAR, //0954 -- DEVANAGARI ACUTE ACCENT || MISSING
432 NO_CHAR,NO_CHAR, //0955 <reserved>
433 NO_CHAR,NO_CHAR, //0956 <reserved>
434 NO_CHAR,NO_CHAR, //0957 <reserved>
435 (byte)179,(byte)233, //0958 -- DEVANAGARI LETTER QA <=> 0915 + 093C
436 (byte)180,(byte)233, //0959 -- DEVANAGARI LETTER KHHA <=> 0916 + 093C
437 (byte)181,(byte)233, //095a -- DEVANAGARI LETTER GHHA <=> 0917 + 093C
438 (byte)186,(byte)233, //095b -- DEVANAGARI LETTER ZA <=> 091C + 093C
439 (byte)191,(byte)233, //095c -- DEVANAGARI LETTER DDDHA <=> 0921 + 093C
440 (byte)192,(byte)233, //095d -- DEVANAGARI LETTER RHA <=> 0922 + 093C
441 (byte)201,(byte)233, //095e -- DEVANAGARI LETTER FA <=> 092B + 093C
442 (byte)206,NO_CHAR, //095f -- DEVANAGARI LETTER YYA <=> 092F + 093C
443 (byte)170,(byte)233, //0960 -- DEVANAGARI LETTER VOCALIC RR
444 (byte)167,(byte)233, //0961 -- DEVANAGARI LETTER VOCALIC LL
445 (byte)219,(byte)233, //0962 -- DEVANAGARI VOWEL SIGN VOCALIC L
446 (byte)220,(byte)233, //0963 -- DEVANAGARI VOWEL SIGN VOCALIC LL
447 (byte)234,NO_CHAR, //0964 -- DEVANAGARI DANDA ( phrase separator )
448 (byte)234,(byte)234, //0965 -- DEVANAGARI DOUBLE DANDA
449 (byte)241,NO_CHAR, //0966 -- DEVANAGARI DIGIT ZERO
450 (byte)242,NO_CHAR, //0967 -- DEVANAGARI DIGIT ONE
451 (byte)243,NO_CHAR, //0968 -- DEVANAGARI DIGIT TWO
452 (byte)244,NO_CHAR, //0969 -- DEVANAGARI DIGIT THREE
453 (byte)245,NO_CHAR, //096a -- DEVANAGARI DIGIT FOUR
454 (byte)246,NO_CHAR, //096b -- DEVANAGARI DIGIT FIVE
455 (byte)247,NO_CHAR, //096c -- DEVANAGARI DIGIT SIX
456 (byte)248,NO_CHAR, //096d -- DEVANAGARI DIGIT SEVEN
457 (byte)249,NO_CHAR, //096e -- DEVANAGARI DIGIT EIGHT
458 (byte)250,NO_CHAR, //096f -- DEVANAGARI DIGIT NINE
459 (byte)240,(byte)191, //0970 -- DEVANAGARI ABBREVIATION SIGN
460 NO_CHAR,NO_CHAR, //0971 -- reserved
461 NO_CHAR,NO_CHAR, //0972 -- reserved
462 NO_CHAR,NO_CHAR, //0973 -- reserved
463 NO_CHAR,NO_CHAR, //0974 -- reserved
464 NO_CHAR,NO_CHAR, //0975 -- reserved
465 NO_CHAR,NO_CHAR, //0976 -- reserved
466 NO_CHAR,NO_CHAR, //0977 -- reserved
467 NO_CHAR,NO_CHAR, //0978 -- reserved
468 NO_CHAR,NO_CHAR, //0979 -- reserved
469 NO_CHAR,NO_CHAR, //097a -- reserved
470 NO_CHAR,NO_CHAR, //097b -- reserved
471 NO_CHAR,NO_CHAR, //097c -- reserved
472 NO_CHAR,NO_CHAR, //097d -- reserved
473 NO_CHAR,NO_CHAR, //097e -- reserved
474 NO_CHAR,NO_CHAR //097f -- reserved
475 }; //end of table definition
476
477
478 /**
479 * This accessor is temporarily supplied while sun.io
480 * converters co-exist with the sun.nio.cs.{ext} charset coders
481 * These facilitate sharing of conversion tables between the
482 * two co-existing implementations. When sun.io converters
483 * are made extinct these will be unnecessary and should be removed
484 */
485
486 public static byte[] getEncoderMappingTable() {
487 return encoderMappingTable;
488 }
489
490
491 private static class Decoder extends CharsetDecoder {
492
493 private static final char ZWNJ_CHAR = '\u200c';
494 private static final char ZWJ_CHAR = '\u200d';
495 private static final char INVALID_CHAR = '\uffff';
496
497 private char contextChar = INVALID_CHAR;
498 private boolean needFlushing = false;
499
500
501 private Decoder(Charset cs) {
502 super(cs, 1.0f, 1.0f);
503 }
504
505 protected CoderResult implFlush(CharBuffer out) {
506 if(needFlushing) {
507 if (out.remaining() < 1) {
508 return CoderResult.OVERFLOW;
509 } else {
510 out.put(contextChar);
511 }
512 }
513 contextChar = INVALID_CHAR;
514 needFlushing = false;
515 return CoderResult.UNDERFLOW;
516 }
517
518 /*Rules:
519 * 1)ATR,EXT,following character to be replaced with '\ufffd'
520 * 2)Halant + Halant => '\u094d' (Virama) + '\u200c'(ZWNJ)
521 * 3)Halant + Nukta => '\u094d' (Virama) + '\u200d'(ZWJ)
522 */
523 private CoderResult decodeArrayLoop(ByteBuffer src,
524 CharBuffer dst)
525 {
526 byte[] sa = src.array();
527 int sp = src.arrayOffset() + src.position();
528 int sl = src.arrayOffset() + src.limit();
529 assert (sp <= sl);
530 sp = (sp <= sl ? sp : sl);
531
532 char[] da = dst.array();
533 int dp = dst.arrayOffset() + dst.position();
534 int dl = dst.arrayOffset() + dst.limit();
535 assert (dp <= dl);
536 dp = (dp <= dl ? dp : dl);
537
538 try {
539 while (sp < sl) {
540 int index = sa[sp];
541 index = ( index < 0 )? ( index + 255 ):index;
542 char currentChar = directMapTable[index];
543
544 // if the contextChar is either ATR || EXT
545 // set the output to '\ufffd'
546 if(contextChar == '\ufffd') {
547 if (dl - dp < 1)
548 return CoderResult.OVERFLOW;
549 da[dp++] = '\ufffd';
550 contextChar = INVALID_CHAR;
551 needFlushing = false;
552 sp++;
553 continue;
554 }
555
556 switch(currentChar) {
557 case '\u0901':
558 case '\u0907':
559 case '\u0908':
560 case '\u090b':
561 case '\u093f':
562 case '\u0940':
563 case '\u0943':
564 case '\u0964':
565 if(needFlushing) {
566 if (dl - dp < 1)
567 return CoderResult.OVERFLOW;
568 da[dp++] = contextChar;
569 contextChar = currentChar;
570 sp++;
571 continue;
572 }
573 contextChar = currentChar;
574 needFlushing = true;
575 sp++;
576 continue;
577 case NUKTA_CHAR:
578 if (dl - dp < 1)
579 return CoderResult.OVERFLOW;
580 switch(contextChar) {
581 case '\u0901':
582 da[dp++] = '\u0950';
583 break;
584 case '\u0907':
585 da[dp++] = '\u090c';
586 break;
587 case '\u0908':
588 da[dp++] = '\u0961';
589 break;
590 case '\u090b':
591 da[dp++] = '\u0960';
592 break;
593 case '\u093f':
594 da[dp++] = '\u0962';
595 break;
596 case '\u0940':
597 da[dp++] = '\u0963';
598 break;
599 case '\u0943':
600 da[dp++] = '\u0944';
601 break;
602 case '\u0964':
603 da[dp++] = '\u093d';
604 break;
605 case HALANT_CHAR:
606 if(needFlushing) {
607 da[dp++] = contextChar;
608 contextChar = currentChar;
609 sp++;
610 continue;
611 }
612 da[dp++] = ZWJ_CHAR;
613 break;
614 default:
615 if(needFlushing) {
616 da[dp++] = contextChar;
617 contextChar = currentChar;
618 sp++;
619 continue;
620 }
621 da[dp++] = NUKTA_CHAR;
622 }
623 break;
624 case HALANT_CHAR:
625 if (dl - dp < 1)
626 return CoderResult.OVERFLOW;
627 if(needFlushing) {
628 da[dp++] = contextChar;
629 contextChar = currentChar;
630 sp++;
631 continue;
632 }
633 if(contextChar == HALANT_CHAR) {
634 da[dp++] = ZWNJ_CHAR;
635 break;
636 }
637 da[dp++] = HALANT_CHAR;
638 break;
639 case INVALID_CHAR:
640 if(needFlushing) {
641 if (dl - dp < 1)
642 return CoderResult.OVERFLOW;
643 da[dp++] = contextChar;
644 contextChar = currentChar;
645 sp++;
646 continue;
647 }
648 return CoderResult.unmappableForLength(1);
649 default:
650 if (dl - dp < 1)
651 return CoderResult.OVERFLOW;
652 if(needFlushing) {
653 da[dp++] = contextChar;
654 contextChar = currentChar;
655 sp++;
656 continue;
657 }
658 da[dp++] = currentChar;
659 break;
660 }//end switch
661
662 contextChar = currentChar;
663 needFlushing = false;
664 sp++;
665 }
666 return CoderResult.UNDERFLOW;
667 } finally {
668 src.position(sp - src.arrayOffset());
669 dst.position(dp - dst.arrayOffset());
670 }
671 }
672
673 private CoderResult decodeBufferLoop(ByteBuffer src,
674 CharBuffer dst)
675 {
676 int mark = src.position();
677
678 try {
679 while (src.hasRemaining()) {
680 int index = src.get();
681 index = ( index < 0 )? ( index + 255 ):index;
682 char currentChar = directMapTable[index];
683
684 // if the contextChar is either ATR || EXT
685 // set the output to '\ufffd'
686 if(contextChar == '\ufffd') {
687 if (dst.remaining() < 1)
688 return CoderResult.OVERFLOW;
689 dst.put('\ufffd');
690 contextChar = INVALID_CHAR;
691 needFlushing = false;
692 mark++;
693 continue;
694 }
695
696 switch(currentChar) {
697 case '\u0901':
698 case '\u0907':
699 case '\u0908':
700 case '\u090b':
701 case '\u093f':
702 case '\u0940':
703 case '\u0943':
704 case '\u0964':
705 if(needFlushing) {
706 if (dst.remaining() < 1)
707 return CoderResult.OVERFLOW;
708 dst.put(contextChar);
709 contextChar = currentChar;
710 mark++;
711 continue;
712 }
713 contextChar = currentChar;
714 needFlushing = true;
715 mark++;
716 continue;
717 case NUKTA_CHAR:
718 if (dst.remaining() < 1)
719 return CoderResult.OVERFLOW;
720 switch(contextChar) {
721 case '\u0901':
722 dst.put('\u0950');
723 break;
724 case '\u0907':
725 dst.put('\u090c');
726 break;
727 case '\u0908':
728 dst.put('\u0961');
729 break;
730 case '\u090b':
731 dst.put('\u0960');
732 break;
733 case '\u093f':
734 dst.put('\u0962');
735 break;
736 case '\u0940':
737 dst.put('\u0963');
738 break;
739 case '\u0943':
740 dst.put('\u0944');
741 break;
742 case '\u0964':
743 dst.put('\u093d');
744 break;
745 case HALANT_CHAR:
746 if(needFlushing) {
747 dst.put(contextChar);
748 contextChar = currentChar;
749 mark++;
750 continue;
751 }
752 dst.put(ZWJ_CHAR);
753 break;
754 default:
755 if(needFlushing) {
756 dst.put(contextChar);
757 contextChar = currentChar;
758 mark++;
759 continue;
760 }
761 dst.put(NUKTA_CHAR);
762 }
763 break;
764 case HALANT_CHAR:
765 if (dst.remaining() < 1)
766 return CoderResult.OVERFLOW;
767 if(needFlushing) {
768 dst.put(contextChar);
769 contextChar = currentChar;
770 mark++;
771 continue;
772 }
773 if(contextChar == HALANT_CHAR) {
774 dst.put(ZWNJ_CHAR);
775 break;
776 }
777 dst.put(HALANT_CHAR);
778 break;
779 case INVALID_CHAR:
780 if(needFlushing) {
781 if (dst.remaining() < 1)
782 return CoderResult.OVERFLOW;
783 dst.put(contextChar);
784 contextChar = currentChar;
785 mark++;
786 continue;
787 }
788 return CoderResult.unmappableForLength(1);
789 default:
790 if (dst.remaining() < 1)
791 return CoderResult.OVERFLOW;
792 if(needFlushing) {
793 dst.put(contextChar);
794 contextChar = currentChar;
795 mark++;
796 continue;
797 }
798 dst.put(currentChar);
799 break;
800 }//end switch
801 contextChar = currentChar;
802 needFlushing = false;
803 mark++;
804 }
805 return CoderResult.UNDERFLOW;
806 } finally {
807 src.position(mark);
808 }
809 }
810
811 protected CoderResult decodeLoop(ByteBuffer src,
812 CharBuffer dst)
813 {
814 if (src.hasArray() && dst.hasArray())
815 return decodeArrayLoop(src, dst);
816 else
817 return decodeBufferLoop(src, dst);
818 }
819 }
820
821 private static class Encoder extends CharsetEncoder {
822
823 private static final byte NO_CHAR = (byte)255;
824
825 //private static CharToByteISCII91 c2b = new CharToByteISCII91();
826 //private static final byte[] directMapTable = c2b.getISCIIEncoderMap();
827
828 private final Surrogate.Parser sgp = new Surrogate.Parser();
829
830 private Encoder(Charset cs) {
831 super(cs, 2.0f, 2.0f);
832 }
833
834 public boolean canEncode(char ch) {
835 //check for Devanagari range,ZWJ,ZWNJ and ASCII range.
836 return ((ch >= '\u0900' && ch <= '\u097f' &&
837 encoderMappingTable[2*(ch-'\u0900')] != NO_CHAR) ||
838 (ch == '\u200d') ||
839 (ch == '\u200c') ||
840 (ch <= '\u007f'));
841 }
842
843
844 private CoderResult encodeArrayLoop(CharBuffer src,
845 ByteBuffer dst)
846 {
847 char[] sa = src.array();
848 int sp = src.arrayOffset() + src.position();
849 int sl = src.arrayOffset() + src.limit();
850 assert (sp <= sl);
851 sp = (sp <= sl ? sp : sl);
852 byte[] da = dst.array();
853 int dp = dst.arrayOffset() + dst.position();
854 int dl = dst.arrayOffset() + dst.limit();
855 assert (dp <= dl);
856 dp = (dp <= dl ? dp : dl);
857
858 int outputSize = 0;
859
860 try {
861 char inputChar;
862 while (sp < sl) {
863 int index = Integer.MIN_VALUE;
864 inputChar = sa[sp];
865
866 if (inputChar >= 0x0000 && inputChar <= 0x007f) {
867 if (dl - dp < 1)
868 return CoderResult.OVERFLOW;
869 da[dp++] = (byte) inputChar;
870 sp++;
871 continue;
872 }
873
874 // if inputChar == ZWJ replace it with halant
875 // if inputChar == ZWNJ replace it with Nukta
876
877 if (inputChar == 0x200c) {
878 inputChar = HALANT_CHAR;
879 }
880 else if (inputChar == 0x200d) {
881 inputChar = NUKTA_CHAR;
882 }
883
884 if (inputChar >= 0x0900 && inputChar <= 0x097f) {
885 index = ((int)(inputChar) - 0x0900)*2;
886 }
887
888 if (Surrogate.is(inputChar)) {
889 if (sgp.parse(inputChar, sa, sp, sl) < 0)
890 return sgp.error();
891 return sgp.unmappableResult();
892 }
893
894 if (index == Integer.MIN_VALUE ||
895 encoderMappingTable[index] == NO_CHAR) {
896 return CoderResult.unmappableForLength(1);
897 } else {
898 if(encoderMappingTable[index + 1] == NO_CHAR) {
899 if(dl - dp < 1)
900 return CoderResult.OVERFLOW;
901 da[dp++] = encoderMappingTable[index];
902 } else {
903 if(dl - dp < 2)
904 return CoderResult.OVERFLOW;
905 da[dp++] = encoderMappingTable[index];
906 da[dp++] = encoderMappingTable[index + 1];
907 }
908 sp++;
909 }
910 }
911 return CoderResult.UNDERFLOW;
912 } finally {
913 src.position(sp - src.arrayOffset());
914 dst.position(dp - dst.arrayOffset());
915 }
916 }
917
918 private CoderResult encodeBufferLoop(CharBuffer src,
919 ByteBuffer dst)
920 {
921 int mark = src.position();
922
923 try {
924 char inputChar;
925 while (src.hasRemaining()) {
926 int index = Integer.MIN_VALUE;
927 inputChar = src.get();
928
929 if (inputChar >= 0x0000 && inputChar <= 0x007f) {
930 if (dst.remaining() < 1)
931 return CoderResult.OVERFLOW;
932 dst.put((byte) inputChar);
933 mark++;
934 continue;
935 }
936
937 // if inputChar == ZWJ replace it with halant
938 // if inputChar == ZWNJ replace it with Nukta
939
940 if (inputChar == 0x200c) {
941 inputChar = HALANT_CHAR;
942 }
943 else if (inputChar == 0x200d) {
944 inputChar = NUKTA_CHAR;
945 }
946
947 if (inputChar >= 0x0900 && inputChar <= 0x097f) {
948 index = ((int)(inputChar) - 0x0900)*2;
949 }
950
951 if (Surrogate.is(inputChar)) {
952 if (sgp.parse(inputChar, src) < 0)
953 return sgp.error();
954 return sgp.unmappableResult();
955 }
956
957 if (index == Integer.MIN_VALUE ||
958 encoderMappingTable[index] == NO_CHAR) {
959 return CoderResult.unmappableForLength(1);
960 } else {
961 if(encoderMappingTable[index + 1] == NO_CHAR) {
962 if(dst.remaining() < 1)
963 return CoderResult.OVERFLOW;
964 dst.put(encoderMappingTable[index]);
965 } else {
966 if(dst.remaining() < 2)
967 return CoderResult.OVERFLOW;
968 dst.put(encoderMappingTable[index]);
969 dst.put(encoderMappingTable[index + 1]);
970 }
971 }
972 mark++;
973 }
974 return CoderResult.UNDERFLOW;
975 } finally {
976 src.position(mark);
977 }
978 }
979
980 protected CoderResult encodeLoop(CharBuffer src,
981 ByteBuffer dst)
982 {
983 if (src.hasArray() && dst.hasArray())
984 return encodeArrayLoop(src, dst);
985 else
986 return encodeBufferLoop(src, dst);
987 }
988 }
989}