1 /* Conversion from and to CP1255.
2 Copyright (C) 1998-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998,
5 and Bruno Haible <haible@clisp.cons.org>, 2001.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public
18 License along with the GNU C Library; if not, see
19 <http://www.gnu.org/licenses/>. */
25 #define NELEMS(arr) (sizeof (arr) / sizeof (arr[0]))
27 /* Definitions used in the body of the `gconv' function. */
28 #define CHARSET_NAME "CP1255//"
29 #define FROM_LOOP from_cp1255
30 #define TO_LOOP to_cp1255
33 #define ONE_DIRECTION 0
34 #define FROM_LOOP_MIN_NEEDED_FROM 1
35 #define FROM_LOOP_MAX_NEEDED_FROM 1
36 #define FROM_LOOP_MIN_NEEDED_TO 4
37 #define FROM_LOOP_MAX_NEEDED_TO 4
38 #define TO_LOOP_MIN_NEEDED_FROM 4
39 #define TO_LOOP_MAX_NEEDED_FROM 4
40 #define TO_LOOP_MIN_NEEDED_TO 1
41 #define TO_LOOP_MAX_NEEDED_TO 3
42 #define PREPARE_LOOP \
44 int *statep = &data->__statep->__count;
45 #define EXTRA_LOOP_ARGS , statep
48 /* Since we might have to reset input pointer we must be able to save
49 and restore the state. */
50 #define SAVE_RESET_STATE(Save) \
52 saved_state = *statep; \
57 /* During CP1255 to UCS4 conversion, the COUNT element of the state
58 contains the last UCS4 character, shifted by 3 bits. */
61 /* Since this is a stateful encoding we have to provide code which resets
62 the output state to the initial state. This has to be done during the
64 #define EMIT_SHIFT_TO_INIT \
65 if (data->__statep->__count != 0) \
69 if (__glibc_likely (outbuf + 4 <= outend)) \
71 /* Write out the last character. */ \
72 *((uint32_t *) outbuf) = data->__statep->__count >> 3; \
73 outbuf += sizeof (uint32_t); \
74 data->__statep->__count = 0; \
77 /* We don't have enough room in the output buffer. */ \
78 status = __GCONV_FULL_OUTPUT; \
81 /* We don't use shift states in the TO_DIRECTION. */ \
82 data->__statep->__count = 0; \
86 /* First define the conversion function from CP1255 to UCS4. */
88 static const uint16_t to_ucs4
[128] = {
90 0x20AC, 0, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
91 0x02C6, 0x2030, 0, 0x2039, 0, 0, 0, 0,
93 0, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
94 0x02DC, 0x2122, 0, 0x203A, 0, 0, 0, 0,
96 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x20AA, 0x00A5, 0x00A6, 0x00A7,
97 0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
99 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
100 0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
102 0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7,
103 0x05B8, 0x05B9, 0, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF,
105 0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3,
106 0x05F4, 0, 0, 0, 0, 0, 0, 0,
108 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
109 0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
111 0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
112 0x05E8, 0x05E9, 0x05EA, 0, 0, 0x200E, 0x200F, 0,
115 /* CP1255 contains eight combining characters:
116 0x05b4, 0x05b7, 0x05b8, 0x05b9, 0x05bc, 0x05bf, 0x05c1, 0x05c2. */
118 /* Composition tables for each of the relevant combining characters. */
119 static const struct {
122 } comp_table_data
[] = {
123 #define COMP_TABLE_IDX_05B4 0
124 #define COMP_TABLE_LEN_05B4 1
126 #define COMP_TABLE_IDX_05B7 (COMP_TABLE_IDX_05B4 + COMP_TABLE_LEN_05B4)
127 #define COMP_TABLE_LEN_05B7 2
130 #define COMP_TABLE_IDX_05B8 (COMP_TABLE_IDX_05B7 + COMP_TABLE_LEN_05B7)
131 #define COMP_TABLE_LEN_05B8 1
133 #define COMP_TABLE_IDX_05B9 (COMP_TABLE_IDX_05B8 + COMP_TABLE_LEN_05B8)
134 #define COMP_TABLE_LEN_05B9 1
136 #define COMP_TABLE_IDX_05BC (COMP_TABLE_IDX_05B9 + COMP_TABLE_LEN_05B9)
137 #define COMP_TABLE_LEN_05BC 24
162 #define COMP_TABLE_IDX_05BF (COMP_TABLE_IDX_05BC + COMP_TABLE_LEN_05BC)
163 #define COMP_TABLE_LEN_05BF 3
167 #define COMP_TABLE_IDX_05C1 (COMP_TABLE_IDX_05BF + COMP_TABLE_LEN_05BF)
168 #define COMP_TABLE_LEN_05C1 2
171 #define COMP_TABLE_IDX_05C2 (COMP_TABLE_IDX_05C1 + COMP_TABLE_LEN_05C1)
172 #define COMP_TABLE_LEN_05C2 2
175 #define COMP_TABLE_IDX_END (COMP_TABLE_IDX_05C2 + COMP_TABLE_LEN_05C2)
177 /* Compile-time verification of table size. */
178 typedef int verify1
[(NELEMS (comp_table_data
) == COMP_TABLE_IDX_END
) - 1];
180 static const struct { unsigned int idx
; unsigned int len
; } comp_table
[8] = {
181 { COMP_TABLE_IDX_05B4
, COMP_TABLE_LEN_05B4
},
182 { COMP_TABLE_IDX_05B7
, COMP_TABLE_LEN_05B7
},
183 { COMP_TABLE_IDX_05B8
, COMP_TABLE_LEN_05B8
},
184 { COMP_TABLE_IDX_05B9
, COMP_TABLE_LEN_05B9
},
185 { COMP_TABLE_IDX_05BC
, COMP_TABLE_LEN_05BC
},
186 { COMP_TABLE_IDX_05BF
, COMP_TABLE_LEN_05BF
},
187 { COMP_TABLE_IDX_05C1
, COMP_TABLE_LEN_05C1
},
188 { COMP_TABLE_IDX_05C2
, COMP_TABLE_LEN_05C2
},
191 #define MIN_NEEDED_INPUT FROM_LOOP_MIN_NEEDED_FROM
192 #define MAX_NEEDED_INPUT FROM_LOOP_MAX_NEEDED_FROM
193 #define MIN_NEEDED_OUTPUT FROM_LOOP_MIN_NEEDED_TO
194 #define MAX_NEEDED_OUTPUT FROM_LOOP_MAX_NEEDED_TO
195 #define LOOPFCT FROM_LOOP
198 uint32_t ch = *inptr; \
200 int must_buffer_ch; \
204 ch = to_ucs4[ch - 0x80]; \
205 if (__glibc_unlikely (ch == L'\0')) \
207 /* This is an illegal character. */ \
208 STANDARD_FROM_LOOP_ERR_HANDLER (1); \
212 /* Determine whether there is a buffered character pending. */ \
213 last_ch = *statep >> 3; \
215 /* We have to buffer ch if it is a possible match in comp_table_data. */ \
216 must_buffer_ch = (ch >= 0x05d0 && ch <= 0x05f2); \
220 if (ch >= 0x05b0 && ch < 0x05c5) \
222 /* See whether last_ch and ch can be combined. */ \
223 unsigned int i, i1, i2; \
252 goto not_combining; \
255 i1 = comp_table[i].idx; \
256 i2 = i1 + comp_table[i].len - 1; \
258 if (last_ch >= comp_table_data[i1].base \
259 && last_ch <= comp_table_data[i2].base) \
263 i = (i1 + i2) >> 1; \
264 if (last_ch == comp_table_data[i].base) \
266 if (last_ch < comp_table_data[i].base) \
269 goto not_combining; \
279 if (last_ch == comp_table_data[i].base) \
281 goto not_combining; \
285 last_ch = comp_table_data[i].composed; \
286 if (last_ch == 0xfb2a || last_ch == 0xfb2b \
287 || last_ch == 0xfb49) \
288 /* Buffer the combined character. */ \
289 *statep = last_ch << 3; \
292 /* Output the combined character. */ \
293 put32 (outptr, last_ch); \
303 /* Output the buffered character. */ \
304 put32 (outptr, last_ch); \
308 /* If we don't have enough room to output ch as well, then deal \
309 with it in another round. */ \
310 if (!must_buffer_ch && __builtin_expect (outptr + 4 > outend, 0)) \
314 if (must_buffer_ch) \
318 put32 (outptr, ch); \
323 #define LOOP_NEED_FLAGS
324 #define EXTRA_LOOP_DECLS , int *statep
325 #define ONEBYTE_BODY \
329 uint32_t ch = to_ucs4[c - 0x80]; \
330 if (ch == L'\0' || (ch >= 0x05d0 && ch <= 0x05f2)) \
334 #include <iconv/loop.c>
337 /* Next, define the conversion function from UCS4 to CP1255. */
339 static const unsigned char from_ucs4
[] = {
340 #define FROM_IDX_00 0
341 0xa0, 0xa1, 0xa2, 0xa3, 0x00, 0xa5, 0xa6, 0xa7, /* 0x00a0-0x00a7 */
342 0xa8, 0xa9, 0x00, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0x00a8-0x00af */
343 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x00b0-0x00b7 */
344 0xb8, 0xb9, 0x00, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0x00b8-0x00bf */
345 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00c0-0x00c7 */
346 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00c8-0x00cf */
347 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, /* 0x00d0-0x00d7 */
348 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00d8-0x00df */
349 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00e0-0x00e7 */
350 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00e8-0x00ef */
351 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xba, /* 0x00f0-0x00f7 */
352 #define FROM_IDX_02 (FROM_IDX_00 + 88)
353 0x88, 0x00, /* 0x02c6-0x02c7 */
354 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02c8-0x02cf */
355 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02d0-0x02d7 */
356 0x00, 0x00, 0x00, 0x00, 0x98, /* 0x02d8-0x02dc */
357 #define FROM_IDX_05 (FROM_IDX_02 + 23)
358 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x05b0-0x05b7 */
359 0xc8, 0xc9, 0x00, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x05b8-0x05bf */
360 0xd0, 0xd1, 0xd2, 0xd3, 0x00, 0x00, 0x00, 0x00, /* 0x05c0-0x05c7 */
361 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x05c8-0x05cf */
362 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x05d0-0x05d7 */
363 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x05d8-0x05df */
364 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x05e0-0x05e7 */
365 0xf8, 0xf9, 0xfa, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x05e8-0x05ef */
366 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, /* 0x05f0-0x05f4 */
367 #define FROM_IDX_20 (FROM_IDX_05 + 69)
368 0xfd, 0xfe, /* 0x200e-0x200f */
369 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x2010-0x2017 */
370 0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x2018-0x201f */
371 0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x2020-0x2027 */
372 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2028-0x202f */
373 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2030-0x2037 */
374 0x00, 0x8b, 0x9b, /* 0x2038-0x203a */
375 #define FROM_IDX_FF (FROM_IDX_20 + 45)
377 /* Compile-time verification of table size. */
378 typedef int verify2
[(NELEMS (from_ucs4
) == FROM_IDX_FF
) - 1];
380 static const unsigned char comb_table
[8] = {
381 0xc4, 0xc7, 0xc8, 0xc9, 0xcc, 0xcf, 0xd1, 0xd2,
384 /* Decomposition table for the relevant Unicode characters. */
385 static const struct {
391 { 0xFB1D, 0x05D9, 0, -1 },
392 { 0xFB1F, 0x05F2, 1, -1 },
393 { 0xFB2A, 0x05E9, 6, -1 },
394 { 0xFB2B, 0x05E9, 7, -1 },
395 { 0xFB2C, 0x05E9, 4, 6 },
396 { 0xFB2D, 0x05E9, 4, 7 },
397 { 0xFB2E, 0x05D0, 1, -1 },
398 { 0xFB2F, 0x05D0, 2, -1 },
399 { 0xFB30, 0x05D0, 4, -1 },
400 { 0xFB31, 0x05D1, 4, -1 },
401 { 0xFB32, 0x05D2, 4, -1 },
402 { 0xFB33, 0x05D3, 4, -1 },
403 { 0xFB34, 0x05D4, 4, -1 },
404 { 0xFB35, 0x05D5, 4, -1 },
405 { 0xFB36, 0x05D6, 4, -1 },
406 { 0xFB38, 0x05D8, 4, -1 },
407 { 0xFB39, 0x05D9, 4, -1 },
408 { 0xFB3A, 0x05DA, 4, -1 },
409 { 0xFB3B, 0x05DB, 4, -1 },
410 { 0xFB3C, 0x05DC, 4, -1 },
411 { 0xFB3E, 0x05DE, 4, -1 },
412 { 0xFB40, 0x05E0, 4, -1 },
413 { 0xFB41, 0x05E1, 4, -1 },
414 { 0xFB43, 0x05E3, 4, -1 },
415 { 0xFB44, 0x05E4, 4, -1 },
416 { 0xFB46, 0x05E6, 4, -1 },
417 { 0xFB47, 0x05E7, 4, -1 },
418 { 0xFB48, 0x05E8, 4, -1 },
419 { 0xFB49, 0x05E9, 4, -1 },
420 { 0xFB4A, 0x05EA, 4, -1 },
421 { 0xFB4B, 0x05D5, 3, -1 },
422 { 0xFB4C, 0x05D1, 5, -1 },
423 { 0xFB4D, 0x05DB, 5, -1 },
424 { 0xFB4E, 0x05E4, 5, -1 },
427 #define MIN_NEEDED_INPUT TO_LOOP_MIN_NEEDED_FROM
428 #define MAX_NEEDED_INPUT TO_LOOP_MAX_NEEDED_FROM
429 #define MIN_NEEDED_OUTPUT TO_LOOP_MIN_NEEDED_TO
430 #define MAX_NEEDED_OUTPUT TO_LOOP_MAX_NEEDED_TO
431 #define LOOPFCT TO_LOOP
434 uint32_t ch = get32 (inptr); \
445 if (ch >= 0x00a0 && ch < 0x00f8) \
446 res = from_ucs4[ch - 0x00a0 + FROM_IDX_00]; \
447 else if (ch == 0x0192) \
449 else if (ch >= 0x02c6 && ch < 0x02dd) \
450 res = from_ucs4[ch - 0x02c6 + FROM_IDX_02]; \
451 else if (ch >= 0x05b0 && ch < 0x05f5) \
452 res = from_ucs4[ch - 0x05b0 + FROM_IDX_05]; \
453 else if (ch >= 0x200e && ch < 0x203b) \
454 res = from_ucs4[ch - 0x200e + FROM_IDX_20]; \
455 else if (ch == 0x20aa) \
457 else if (ch == 0x20ac) \
459 else if (ch == 0x2122) \
463 UNICODE_TAG_HANDLER (ch, 4); \
467 if (__glibc_likely (res != 0)) \
474 /* Try canonical decomposition. */ \
475 unsigned int i1, i2; \
478 i2 = sizeof (decomp_table) / sizeof (decomp_table[0]) - 1; \
479 if (ch >= decomp_table[i1].composed \
480 && ch <= decomp_table[i2].composed) \
486 i = (i1 + i2) >> 1; \
487 if (ch == decomp_table[i].composed) \
489 if (ch < decomp_table[i].composed) \
502 if (ch == decomp_table[i].composed) \
509 /* Found a canonical decomposition. */ \
510 ch = decomp_table[i].base; \
511 /* ch is one of 0x05d0..0x05d6, 0x05d8..0x05dc, 0x05de, \
512 0x05e0..0x05e1, 0x05e3..0x05e4, 0x05e6..0x05ea, 0x05f2. */ \
513 ch = from_ucs4[ch - 0x05b0 + FROM_IDX_05]; \
516 if (decomp_table[i].comb2 < 0) \
518 /* See whether we have room for two bytes. */ \
519 if (__glibc_unlikely (outptr + 1 >= outend)) \
521 result = __GCONV_FULL_OUTPUT; \
525 *outptr++ = (unsigned char) ch; \
526 *outptr++ = comb_table[decomp_table[i].comb1]; \
530 /* See whether we have room for three bytes. */ \
531 if (__glibc_unlikely (outptr + 2 >= outend)) \
533 result = __GCONV_FULL_OUTPUT; \
537 *outptr++ = (unsigned char) ch; \
538 *outptr++ = comb_table[decomp_table[i].comb1]; \
539 *outptr++ = comb_table[decomp_table[i].comb2]; \
547 /* This is an illegal character. */ \
548 STANDARD_TO_LOOP_ERR_HANDLER (4); \
552 #define LOOP_NEED_FLAGS
553 #define EXTRA_LOOP_DECLS , int *statep
554 #include <iconv/loop.c>
557 /* Now define the toplevel functions. */
558 #include <iconv/skeleton.c>