| blob | c754ce05f6d9ba4da8a2c62081c1bc67a3e4da19 |
1 /* Generic conversion to and from ANSI_X3.110-1983.
2 Copyright (C) 1998 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public License as
8 published by the Free Software Foundation; either version 2 of the
9 License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
16 You should have received a copy of the GNU Library General Public
17 License along with the GNU C Library; see the file COPYING.LIB. If not,
18 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 #include <gconv.h>
22 #include <stdint.h>
23 #include <string.h>
25 /* Data taken from the WG15 tables. */
27 {
60 };
62 /* The outer array range runs from 0xc1 to 0xcf, the inner range from 0x20
63 to 0x7f. */
65 {
66 /* 0xc1 */
67 {
80 },
81 /* 0xc2 */
82 {
95 },
96 /* 0xc3 */
97 {
110 },
111 /* 0xc4 */
112 {
125 },
126 /* 0xc5 */
127 {
140 },
141 /* 0xc6 */
142 {
155 },
156 /* 0xc7 */
157 {
170 },
171 /* 0xc8 */
172 {
185 },
186 /* 0xc9 */
187 {
189 },
190 /* 0xca */
191 {
204 },
205 /* 0xcb */
206 {
219 },
220 /* 0xcc */
221 {
223 },
224 /* 0xcd */
225 {
238 },
239 /* 0xce */
240 {
253 },
254 /* 0xcf */
255 {
268 }
269 };
273 {
351 /*
352 This table does not cover the following positions:
354 0x02c7 "\xcf\x20",
355 ...
356 0x02d8 "\xc6\x20", "\xc7\x20", "\xca\x20", "\xce\x20", "\x00\x00",
357 0x02dd "\xcd\x20",
358 ...
359 0x2014 "\xd0\x00", "\x00\x00", "\x00\x00", "\x00\x00", "\xa9\x00",
360 0x2019 "\xb9\x00", "\x00\x00", "\x00\x00", "\xaa\x00", "\xba\x00",
361 0x201e "\x00\x00", "\x00\x00", "\x00\x00", "\x00\x00", "\xd4\x00",
362 0x2023 "\x00\x00", "\x00\x00", "\x00\x00", "\xe0\x00",
363 ...
364 0x215b "\xdc\x00", "\xdd\x00", "\xde\x00", "\xdf\x00",
365 ...
366 0x2190 "\xac\x00", "\xad\x00", "\xae\x00", "\xaf\x00",
367 ...
368 0x2500 "\xd6\x00", "\x00\x00", "\xd7\x00",
369 ...
370 0x253c "\xe5\x00",
371 ...
372 0x2571 "\xd8\x00", "\xd9\x00",
373 ...
374 0x25e2 "\xda\x00", "\xdb\x00",
375 ...
376 0x266a "\xd5\x00",
378 These would blow up the table and are therefore handled specially in
379 the code.
380 */
381 };
384 /* Definitions used in the body of the `gconv' function. */
386 #define FROM_LOOP from_ansi_x3_110
387 #define TO_LOOP to_ansi_x3_110
388 #define DEFINE_INIT 1
389 #define DEFINE_FINI 1
390 #define MIN_NEEDED_FROM 1
391 #define MAX_NEEDED_FROM 2
392 #define MIN_NEEDED_TO 4
394 /* First define the conversion function from ANSI_X3.110 to UCS4. */
395 #define MIN_NEEDED_INPUT MIN_NEEDED_FROM
396 #define MAX_NEEDED_INPUT MAX_NEEDED_FROM
397 #define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
398 #define LOOPFCT FROM_LOOP
399 #define BODY \
400 { \
401 uint32_t ch = *inptr; \
402 \
403 if (ch >= 0xc1 && ch <= 0xcf) \
404 { \
405 /* Composed character. First test whether the next character \
407 uint32_t ch2; \
408 \
409 if (NEED_LENGTH_TEST && inptr + 1 >= inend) \
410 { \
412 result = GCONV_INCOMPLETE_INPUT; \
413 break; \
414 } \
415 \
416 ch2 = inptr[1]; \
417 \
418 if (ch2 < 0x20 || ch2 >= 0x80) \
419 { \
421 result = GCONV_ILLEGAL_INPUT; \
422 break; \
423 } \
424 \
425 ch = to_ucs4_comb[ch - 0xc1][ch2 - 0x20]; \
426 \
427 inptr += 2; \
428 } \
429 else \
430 { \
431 ch = to_ucs4[ch]; \
432 ++inptr; \
433 } \
434 \
436 { \
438 result = GCONV_ILLEGAL_INPUT; \
439 break; \
440 } \
441 \
442 *((uint32_t *) outptr)++ = ch; \
443 }
444 #include <iconv/loop.c>
447 /* Next, define the other direction. */
448 #define MIN_NEEDED_INPUT MIN_NEEDED_TO
449 #define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
450 #define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
451 #define LOOPFCT TO_LOOP
452 #define BODY \
453 { \
454 char tmp[2]; \
455 uint32_t ch = *((uint32_t *) inptr); \
456 const char *cp; \
457 \
458 if (ch >= sizeof (from_ucs4) / sizeof (from_ucs4[0])) \
459 { \
460 if (ch == 0x2c7) \
462 else if (ch >= 0x2d8 && ch <= 0x2dd && ch != 0x2dc) \
463 { \
465 \
466 tmp[0] = map[ch - 0x2d8]; \
468 cp = tmp; \
469 } \
470 else if (ch >= 0x2014 && ch <= 0x2026) \
471 { \
472 static const char map[19] = \
475 \
476 tmp[0] = map[ch - 0x2014]; \
478 { \
480 result = GCONV_ILLEGAL_INPUT; \
481 break; \
482 } \
484 cp = tmp; \
485 } \
486 else if (ch >= 0x215b && ch <= 0x215e) \
487 { \
488 tmp[0] = 0xdc + ch - 0x215b; \
490 cp = tmp; \
491 } \
492 else if (ch >= 0x2190 && ch <= 0x2193) \
493 { \
494 tmp[0] = 0xac + ch - 0x2190; \
496 cp = tmp; \
497 } \
498 else if (ch == 0x2500) \
500 else if (ch == 0x2502) \
502 else if (ch == 0x253c) \
504 else if (ch >= 0x2571 && ch <= 0x2572) \
505 { \
506 tmp[0] = 0xd8 + ch - 0x2571; \
508 cp = tmp; \
509 } \
510 else if (ch >= 0x25e2 && ch <= 0x25e3) \
511 { \
512 tmp[0] = 0xda + ch - 0x25e2; \
514 cp = tmp; \
515 } \
516 else if (ch == 0x266a) \
518 else \
519 { \
521 result = GCONV_ILLEGAL_INPUT; \
522 break; \
523 } \
524 } \
525 else \
526 { \
527 cp = from_ucs4[ch]; \
528 \
530 { \
532 result = GCONV_ILLEGAL_INPUT; \
533 break; \
534 } \
535 } \
536 \
537 *outptr++ = cp[0]; \
540 { \
541 if (NEED_LENGTH_TEST && outptr >= outend) \
542 { \
544 --outptr; \
545 result = GCONV_FULL_OUTPUT; \
546 break; \
547 } \
548 \
549 *outptr++ = cp[1]; \
550 } \
551 \
552 inptr += 4; \
553 }
554 #include <iconv/loop.c>
557 /* Now define the toplevel functions. */
558 #include <iconv/skeleton.c>