1/**********************************************************************
2  sjis.c -  Onigmo (Oniguruma-mod) (regular expression library)
3**********************************************************************/
4/*-
5 * Copyright (c) 2002-2008  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
6 * Copyright (c) 2011       K.Takata  <kentkt AT csc DOT jp>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#include "regint.h"
32
33static const int EncLen_SJIS[] = {
34  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
35  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
36  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
37  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
38  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
39  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
40  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
41  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
42  1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
43  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
44  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
45  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
46  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
47  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
48  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
49  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1
50};
51
52static const char SJIS_CAN_BE_TRAIL_TABLE[256] = {
53  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
54  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
55  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
56  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
57  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
58  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
59  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
60  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
61  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
62  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
63  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
64  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
65  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
66  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
67  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
68  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0
69};
70
71static const OnigPairCaseFoldCodes CaseFoldMap[] = {
72  /* Fullwidth Alphabet */
73  { 0x8260, 0x8281 },
74  { 0x8261, 0x8282 },
75  { 0x8262, 0x8283 },
76  { 0x8263, 0x8284 },
77  { 0x8264, 0x8285 },
78  { 0x8265, 0x8286 },
79  { 0x8266, 0x8287 },
80  { 0x8267, 0x8288 },
81  { 0x8268, 0x8289 },
82  { 0x8269, 0x828a },
83  { 0x826a, 0x828b },
84  { 0x826b, 0x828c },
85  { 0x826c, 0x828d },
86  { 0x826d, 0x828e },
87  { 0x826e, 0x828f },
88  { 0x826f, 0x8290 },
89  { 0x8270, 0x8291 },
90  { 0x8271, 0x8292 },
91  { 0x8272, 0x8293 },
92  { 0x8273, 0x8294 },
93  { 0x8274, 0x8295 },
94  { 0x8275, 0x8296 },
95  { 0x8276, 0x8297 },
96  { 0x8277, 0x8298 },
97  { 0x8278, 0x8299 },
98  { 0x8279, 0x829a },
99
100  /* Greek */
101  { 0x839f, 0x83bf },
102  { 0x83a0, 0x83c0 },
103  { 0x83a1, 0x83c1 },
104  { 0x83a2, 0x83c2 },
105  { 0x83a3, 0x83c3 },
106  { 0x83a4, 0x83c4 },
107  { 0x83a5, 0x83c5 },
108  { 0x83a6, 0x83c6 },
109  { 0x83a7, 0x83c7 },
110  { 0x83a8, 0x83c8 },
111  { 0x83a9, 0x83c9 },
112  { 0x83aa, 0x83ca },
113  { 0x83ab, 0x83cb },
114  { 0x83ac, 0x83cc },
115  { 0x83ad, 0x83cd },
116  { 0x83ae, 0x83ce },
117  { 0x83af, 0x83cf },
118  { 0x83b0, 0x83d0 },
119  { 0x83b1, 0x83d1 },
120  { 0x83b2, 0x83d2 },
121  { 0x83b3, 0x83d3 },
122  { 0x83b4, 0x83d4 },
123  { 0x83b5, 0x83d5 },
124  { 0x83b6, 0x83d6 },
125
126  /* Cyrillic */
127  { 0x8440, 0x8470 },
128  { 0x8441, 0x8471 },
129  { 0x8442, 0x8472 },
130  { 0x8443, 0x8473 },
131  { 0x8444, 0x8474 },
132  { 0x8445, 0x8475 },
133  { 0x8446, 0x8476 },
134  { 0x8447, 0x8477 },
135  { 0x8448, 0x8478 },
136  { 0x8449, 0x8479 },
137  { 0x844a, 0x847a },
138  { 0x844b, 0x847b },
139  { 0x844c, 0x847c },
140  { 0x844d, 0x847d },
141  { 0x844e, 0x847e },
142  { 0x844f, 0x8480 },
143  { 0x8450, 0x8481 },
144  { 0x8451, 0x8482 },
145  { 0x8452, 0x8483 },
146  { 0x8453, 0x8484 },
147  { 0x8454, 0x8485 },
148  { 0x8455, 0x8486 },
149  { 0x8456, 0x8487 },
150  { 0x8457, 0x8488 },
151  { 0x8458, 0x8489 },
152  { 0x8459, 0x848a },
153  { 0x845a, 0x848b },
154  { 0x845b, 0x848c },
155  { 0x845c, 0x848d },
156  { 0x845d, 0x848e },
157  { 0x845e, 0x848f },
158  { 0x845f, 0x8490 },
159  { 0x8460, 0x8491 },
160};
161
162#define SJIS_ISMB_FIRST(byte)  (EncLen_SJIS[byte] > 1)
163#define SJIS_ISMB_TRAIL(byte)  SJIS_CAN_BE_TRAIL_TABLE[(byte)]
164
165typedef enum { FAILURE = -2, ACCEPT = -1, S0 = 0, S1 } state_t;
166#define A ACCEPT
167#define F FAILURE
168static const signed char trans[][0x100] = {
169  { /* S0   0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f */
170    /* 0 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
171    /* 1 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
172    /* 2 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
173    /* 3 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
174    /* 4 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
175    /* 5 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
176    /* 6 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
177    /* 7 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
178    /* 8 */ F, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
179    /* 9 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
180    /* a */ F, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
181    /* b */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
182    /* c */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
183    /* d */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
184    /* e */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
185    /* f */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, F, F, F
186  },
187  { /* S1   0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f */
188    /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
189    /* 1 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
190    /* 2 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
191    /* 3 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
192    /* 4 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
193    /* 5 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
194    /* 6 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
195    /* 7 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, F,
196    /* 8 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
197    /* 9 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
198    /* a */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
199    /* b */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
200    /* c */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
201    /* d */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
202    /* e */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
203    /* f */ A, A, A, A, A, A, A, A, A, A, A, A, A, F, F, F
204  }
205};
206#undef A
207#undef F
208
209static int
210mbc_enc_len(const UChar* p, const UChar* e, OnigEncoding enc ARG_UNUSED)
211{
212  int firstbyte = *p++;
213  state_t s;
214  s = trans[0][firstbyte];
215  if (s < 0) return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(1) :
216                                  ONIGENC_CONSTRUCT_MBCLEN_INVALID();
217  if (p == e) return ONIGENC_CONSTRUCT_MBCLEN_NEEDMORE(EncLen_SJIS[firstbyte]-1);
218  s = trans[s][*p++];
219  return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(2) :
220                       ONIGENC_CONSTRUCT_MBCLEN_INVALID();
221}
222
223static int
224code_to_mbclen(OnigCodePoint code, OnigEncoding enc ARG_UNUSED)
225{
226  if (code < 256) {
227    if (EncLen_SJIS[(int )code] == 1)
228      return 1;
229    else
230      return ONIGERR_INVALID_CODE_POINT_VALUE;
231  }
232  else if (code <= 0xffff) {
233    int low = code & 0xff;
234    if (! SJIS_ISMB_TRAIL(low))
235      return ONIGERR_INVALID_CODE_POINT_VALUE;
236    return 2;
237  }
238  else
239    return ONIGERR_TOO_BIG_WIDE_CHAR_VALUE;
240}
241
242static OnigCodePoint
243mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc)
244{
245  int c, i, len;
246  OnigCodePoint n;
247
248  len = mbc_enc_len(p, end, enc);
249  c = *p++;
250  n = c;
251  if (len == 1) return n;
252
253  for (i = 1; i < len; i++) {
254    if (p >= end) break;
255    c = *p++;
256    n <<= 8;  n += c;
257  }
258  return n;
259}
260
261static int
262code_to_mbc(OnigCodePoint code, UChar *buf, OnigEncoding enc)
263{
264  UChar *p = buf;
265
266  if ((code & 0xff00) != 0) *p++ = (UChar )(((code >>  8) & 0xff));
267  *p++ = (UChar )(code & 0xff);
268
269#if 0
270  if (mbc_enc_len(buf, p, enc) != (p - buf))
271    return REGERR_INVALID_CODE_POINT_VALUE;
272#endif
273  return (int )(p - buf);
274}
275
276static int
277apply_all_case_fold(OnigCaseFoldType flag,
278		    OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc)
279{
280  return onigenc_apply_all_case_fold_with_map(
281            sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
282            flag, f, arg);
283}
284
285static OnigCodePoint
286get_lower_case(OnigCodePoint code)
287{
288  if (ONIGENC_IS_IN_RANGE(code, 0x8260, 0x8279)) {
289    /* Fullwidth Alphabet */
290    return (OnigCodePoint )(code + 0x0021);
291  }
292  else if (ONIGENC_IS_IN_RANGE(code, 0x839f, 0x83b6)) {
293    /* Greek */
294    return (OnigCodePoint )(code + 0x0020);
295  }
296  else if (ONIGENC_IS_IN_RANGE(code, 0x8440, 0x8460)) {
297    /* Cyrillic */
298    int d = (code >= 0x844f) ? 1 : 0;
299    return (OnigCodePoint )(code + (0x0030 + d));
300  }
301  return code;
302}
303
304static OnigCodePoint
305get_upper_case(OnigCodePoint code)
306{
307  if (ONIGENC_IS_IN_RANGE(code, 0x8281, 0x829a)) {
308    /* Fullwidth Alphabet */
309    return (OnigCodePoint )(code - 0x0021);
310  }
311  else if (ONIGENC_IS_IN_RANGE(code, 0x83bf, 0x83d6)) {
312    /* Greek */
313    return (OnigCodePoint )(code - 0x0020);
314  }
315  else if (ONIGENC_IS_IN_RANGE(code, 0x8470, 0x847e) ||
316	   ONIGENC_IS_IN_RANGE(code, 0x8480, 0x8491)) {
317    /* Cyrillic */
318    int d = (code >= 0x8480) ? 1 : 0;
319    return (OnigCodePoint )(code - (0x0030 - d));
320  }
321  return code;
322}
323
324static int
325get_case_fold_codes_by_str(OnigCaseFoldType flag,
326			   const OnigUChar* p, const OnigUChar* end,
327			   OnigCaseFoldCodeItem items[], OnigEncoding enc)
328{
329  int len;
330  OnigCodePoint code, code_lo, code_up;
331
332  code = mbc_to_code(p, end, enc);
333  if (ONIGENC_IS_ASCII_CODE(code))
334    return onigenc_ascii_get_case_fold_codes_by_str(flag, p, end, items, enc);
335
336  len = mbc_enc_len(p, end, enc);
337  code_lo = get_lower_case(code);
338  code_up = get_upper_case(code);
339
340  if (code != code_lo) {
341    items[0].byte_len = len;
342    items[0].code_len = 1;
343    items[0].code[0] = code_lo;
344    return 1;
345  }
346  else if (code != code_up) {
347    items[0].byte_len = len;
348    items[0].code_len = 1;
349    items[0].code[0] = code_up;
350    return 1;
351  }
352
353  return 0;
354}
355
356static int
357mbc_case_fold(OnigCaseFoldType flag,
358	      const UChar** pp, const UChar* end, UChar* lower,
359	      OnigEncoding enc)
360{
361  const UChar* p = *pp;
362
363  if (ONIGENC_IS_MBC_ASCII(p)) {
364    *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
365    (*pp)++;
366    return 1;
367  }
368  else {
369    OnigCodePoint code;
370    int len;
371
372    code = get_lower_case(mbc_to_code(p, end, enc));
373    len = code_to_mbc(code, lower, enc);
374    (*pp) += len;
375    return len; /* return byte length of converted char to lower */
376  }
377}
378
379#if 0
380static int
381is_mbc_ambiguous(OnigCaseFoldType flag,
382		 const UChar** pp, const UChar* end)
383{
384  return onigenc_mbn_is_mbc_ambiguous(enc, flag, pp, end);
385
386}
387#endif
388
389#if 0
390static int
391is_code_ctype(OnigCodePoint code, unsigned int ctype)
392{
393  if (code < 128)
394    return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
395  else {
396    if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
397      return (code_to_mbclen(code) > 1 ? TRUE : FALSE);
398    }
399  }
400
401  return FALSE;
402}
403#endif
404
405static UChar*
406left_adjust_char_head(const UChar* start, const UChar* s, const UChar* end, OnigEncoding enc)
407{
408  const UChar *p;
409  int len;
410
411  if (s <= start) return (UChar* )s;
412  p = s;
413
414  if (SJIS_ISMB_TRAIL(*p)) {
415    while (p > start) {
416      if (! SJIS_ISMB_FIRST(*--p)) {
417	p++;
418	break;
419      }
420    }
421  }
422  len = mbc_enc_len(p, end, enc);
423  if (p + len > s) return (UChar* )p;
424  p += len;
425  return (UChar* )(p + ((s - p) & ~1));
426}
427
428static int
429is_allowed_reverse_match(const UChar* s, const UChar* end, OnigEncoding enc ARG_UNUSED)
430{
431  const UChar c = *s;
432  return (SJIS_ISMB_TRAIL(c) ? FALSE : TRUE);
433}
434
435
436static int PropertyInited = 0;
437static const OnigCodePoint** PropertyList;
438static int PropertyListNum;
439static int PropertyListSize;
440static hash_table_type* PropertyNameTable;
441
442static const OnigCodePoint CR_Hiragana[] = {
443  1,
444  0x829f, 0x82f1
445}; /* CR_Hiragana */
446
447static const OnigCodePoint CR_Katakana[] = {
448  4,
449  0x00a6, 0x00af,
450  0x00b1, 0x00dd,
451  0x8340, 0x837e,
452  0x8380, 0x8396,
453}; /* CR_Katakana */
454
455#ifdef ENC_CP932
456static const OnigCodePoint CR_Han[] = {
457  6,
458  0x8157, 0x8157,
459  0x889f, 0x9872,	/* Kanji level 1 */
460  0x989f, 0x9ffc,	/* Kanji level 2 */
461  0xe040, 0xeaa4,	/* Kanji level 2 */
462  0xed40, 0xeeec,	/* NEC-selected IBM extended characters (without symbols) */
463  0xfa5c, 0xfc4b,	/* IBM extended characters (without symbols) */
464}; /* CR_Han */
465#else
466static const OnigCodePoint CR_Han[] = {
467  4,
468  0x8157, 0x8157,
469  0x889f, 0x9872,	/* Kanji level 1 */
470  0x989f, 0x9ffc,	/* Kanji level 2 */
471  0xe040, 0xeaa4,	/* Kanji level 2 */
472}; /* CR_Han */
473#endif
474
475static const OnigCodePoint CR_Latin[] = {
476  4,
477  0x0041, 0x005a,
478  0x0061, 0x007a,
479  0x8260, 0x8279,
480  0x8281, 0x829a,
481}; /* CR_Latin */
482
483static const OnigCodePoint CR_Greek[] = {
484  2,
485  0x839f, 0x83b6,
486  0x83bf, 0x83d6,
487}; /* CR_Greek */
488
489static const OnigCodePoint CR_Cyrillic[] = {
490  3,
491  0x8440, 0x8460,
492  0x8470, 0x847f,
493  0x8480, 0x8491,
494}; /* CR_Cyrillic */
495
496static int
497init_property_list(void)
498{
499  int r;
500
501  PROPERTY_LIST_ADD_PROP("hiragana", CR_Hiragana);
502  PROPERTY_LIST_ADD_PROP("katakana", CR_Katakana);
503  PROPERTY_LIST_ADD_PROP("han", CR_Han);
504  PROPERTY_LIST_ADD_PROP("latin", CR_Latin);
505  PROPERTY_LIST_ADD_PROP("greek", CR_Greek);
506  PROPERTY_LIST_ADD_PROP("cyrillic", CR_Cyrillic);
507  PropertyInited = 1;
508
509 end:
510  return r;
511}
512
513static int
514property_name_to_ctype(OnigEncoding enc, UChar* p, UChar* end)
515{
516  hash_data_type ctype;
517  UChar *s, *e;
518
519  PROPERTY_LIST_INIT_CHECK;
520
521  s = e = ALLOCA_N(UChar, end-p+1);
522  for (; p < end; p++) {
523    *e++ = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
524  }
525
526  if (onig_st_lookup_strend(PropertyNameTable, s, e, &ctype) == 0) {
527    return onigenc_minimum_property_name_to_ctype(enc, s, e);
528  }
529
530  return (int )ctype;
531}
532
533static int
534is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc)
535{
536  if (ctype <= ONIGENC_MAX_STD_CTYPE) {
537    if (code < 128)
538      return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
539    else {
540      if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
541	return TRUE;
542      }
543    }
544  }
545  else {
546    PROPERTY_LIST_INIT_CHECK;
547
548    ctype -= (ONIGENC_MAX_STD_CTYPE + 1);
549    if (ctype >= (unsigned int )PropertyListNum)
550      return ONIGERR_TYPE_BUG;
551
552    return onig_is_in_code_range((UChar* )PropertyList[ctype], code);
553  }
554
555  return FALSE;
556}
557
558static int
559get_ctype_code_range(OnigCtype ctype, OnigCodePoint* sb_out,
560		     const OnigCodePoint* ranges[], OnigEncoding enc ARG_UNUSED)
561{
562  if (ctype <= ONIGENC_MAX_STD_CTYPE) {
563    return ONIG_NO_SUPPORT_CONFIG;
564  }
565  else {
566    *sb_out = 0x80;
567
568    PROPERTY_LIST_INIT_CHECK;
569
570    ctype -= (ONIGENC_MAX_STD_CTYPE + 1);
571    if (ctype >= (OnigCtype )PropertyListNum)
572      return ONIGERR_TYPE_BUG;
573
574    *ranges = PropertyList[ctype];
575    return 0;
576  }
577}
578
579#ifndef ENC_CP932
580OnigEncodingDefine(shift_jis, Shift_JIS) = {
581  mbc_enc_len,
582  "Shift_JIS",   /* name */
583  2,             /* max byte length */
584  1,             /* min byte length */
585  onigenc_is_mbc_newline_0x0a,
586  mbc_to_code,
587  code_to_mbclen,
588  code_to_mbc,
589  mbc_case_fold,
590  apply_all_case_fold,
591  get_case_fold_codes_by_str,
592  property_name_to_ctype,
593  is_code_ctype,
594  get_ctype_code_range,
595  left_adjust_char_head,
596  is_allowed_reverse_match,
597  0,
598  ONIGENC_FLAG_NONE,
599};
600/*
601 * Name: Shift_JIS
602 * MIBenum: 17
603 * Link: http://www.iana.org/assignments/character-sets
604 * Link: http://ja.wikipedia.org/wiki/Shift_JIS
605 */
606
607/*
608 * Name: MacJapanese
609 * Link: http://unicode.org/Public/MAPPINGS/VENDORS/APPLE/JAPANESE.TXT
610 * Link: http://ja.wikipedia.org/wiki/MacJapanese
611 */
612ENC_REPLICATE("MacJapanese", "Shift_JIS")
613ENC_ALIAS("MacJapan", "MacJapanese")
614#endif
615