1 /**********************************************************************
2 iso8859_14.c - Oniguruma (regular expression library)
3 **********************************************************************/
4 /*-
5 * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include "regenc.h"
31 #include "iso_8859.h"
32
33 #define ENC_ISO_8859_14_TO_LOWER_CASE(c) EncISO_8859_14_ToLowerCaseTable[c]
34 #define ENC_IS_ISO_8859_14_CTYPE(code,ctype) \
35 ((EncISO_8859_14_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
36
37 static const UChar EncISO_8859_14_ToLowerCaseTable[256] = {
38 '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
39 '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
40 '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
41 '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
42 '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
43 '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
44 '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
45 '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
46 '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
47 '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
48 '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
49 '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
50 '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
51 '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
52 '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
53 '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
54 '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
55 '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
56 '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
57 '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
58 '\240', '\242', '\242', '\243', '\245', '\245', '\253', '\247',
59 '\270', '\251', '\272', '\253', '\274', '\255', '\256', '\377',
60 '\261', '\261', '\263', '\263', '\265', '\265', '\266', '\271',
61 '\270', '\271', '\272', '\277', '\274', '\276', '\276', '\277',
62 '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
63 '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
64 '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
65 '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\337',
66 '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
67 '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
68 '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
69 '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377'
70 };
71
72 static const unsigned short EncISO_8859_14_CtypeTable[256] = {
73 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
74 0x4008, 0x420c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008,
75 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
76 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
77 0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
78 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
79 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0,
80 0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
81 0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2,
82 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
83 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
84 0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0,
85 0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2,
86 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
87 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
88 0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008,
89 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
90 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
91 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
92 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
93 0x0284, 0x34a2, 0x30e2, 0x00a0, 0x34a2, 0x30e2, 0x34a2, 0x00a0,
94 0x34a2, 0x00a0, 0x34a2, 0x30e2, 0x34a2, 0x01a0, 0x00a0, 0x34a2,
95 0x34a2, 0x30e2, 0x34a2, 0x30e2, 0x34a2, 0x30e2, 0x00a0, 0x34a2,
96 0x30e2, 0x30e2, 0x30e2, 0x34a2, 0x30e2, 0x34a2, 0x30e2, 0x30e2,
97 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
98 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
99 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
100 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x30e2,
101 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
102 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
103 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
104 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2
105 };
106
107 static int
mbc_case_fold(OnigCaseFoldType flag,const UChar ** pp,const UChar * end ARG_UNUSED,UChar * lower,OnigEncoding enc ARG_UNUSED)108 mbc_case_fold(OnigCaseFoldType flag,
109 const UChar** pp, const UChar* end ARG_UNUSED,
110 UChar* lower, OnigEncoding enc ARG_UNUSED)
111 {
112 const UChar* p = *pp;
113
114 if (*p == SHARP_s && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
115 *lower++ = 's';
116 *lower = 's';
117 (*pp)++;
118 return 2;
119 }
120
121 *lower = ENC_ISO_8859_14_TO_LOWER_CASE(*p);
122 (*pp)++;
123 return 1; /* return byte length of converted char to lower */
124 }
125
126 #if 0
127 static int
128 is_mbc_ambiguous(OnigCaseFoldType flag,
129 const UChar** pp, const UChar* end)
130 {
131 int v;
132 const UChar* p = *pp;
133
134 if (*p == SHARP_s && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
135 (*pp)++;
136 return TRUE;
137 }
138
139 (*pp)++;
140 v = (EncISO_8859_14_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
141 if ((v | BIT_CTYPE_LOWER) != 0) {
142 return TRUE;
143 }
144
145 return (v != 0 ? TRUE : FALSE);
146 }
147 #endif
148
149 static int
is_code_ctype(OnigCodePoint code,unsigned int ctype,OnigEncoding enc ARG_UNUSED)150 is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc ARG_UNUSED)
151 {
152 if (code < 256)
153 return ENC_IS_ISO_8859_14_CTYPE(code, ctype);
154 else
155 return FALSE;
156 }
157
158 static const OnigPairCaseFoldCodes CaseFoldMap[] = {
159 { 0xa1, 0xa2 },
160 { 0xa4, 0xa5 },
161 { 0xa6, 0xab },
162 { 0xa8, 0xb8 },
163 { 0xaa, 0xba },
164 { 0xac, 0xbc },
165 { 0xaf, 0xff },
166
167 { 0xb0, 0xb1 },
168 { 0xb2, 0xb3 },
169 { 0xb4, 0xb5 },
170 { 0xb7, 0xb9 },
171 { 0xbb, 0xbf },
172 { 0xbd, 0xbe },
173
174 { 0xc0, 0xe0 },
175 { 0xc1, 0xe1 },
176 { 0xc2, 0xe2 },
177 { 0xc3, 0xe3 },
178 { 0xc4, 0xe4 },
179 { 0xc5, 0xe5 },
180 { 0xc6, 0xe6 },
181 { 0xc7, 0xe7 },
182 { 0xc8, 0xe8 },
183 { 0xc9, 0xe9 },
184 { 0xca, 0xea },
185 { 0xcb, 0xeb },
186 { 0xcc, 0xec },
187 { 0xcd, 0xed },
188 { 0xce, 0xee },
189 { 0xcf, 0xef },
190
191 { 0xd0, 0xf0 },
192 { 0xd1, 0xf1 },
193 { 0xd2, 0xf2 },
194 { 0xd3, 0xf3 },
195 { 0xd4, 0xf4 },
196 { 0xd5, 0xf5 },
197 { 0xd6, 0xf6 },
198 { 0xd7, 0xf7 },
199 { 0xd8, 0xf8 },
200 { 0xd9, 0xf9 },
201 { 0xda, 0xfa },
202 { 0xdb, 0xfb },
203 { 0xdc, 0xfc },
204 { 0xdd, 0xfd },
205 { 0xde, 0xfe }
206 };
207
208 static int
apply_all_case_fold(OnigCaseFoldType flag,OnigApplyAllCaseFoldFunc f,void * arg,OnigEncoding enc ARG_UNUSED)209 apply_all_case_fold(OnigCaseFoldType flag,
210 OnigApplyAllCaseFoldFunc f, void* arg,
211 OnigEncoding enc ARG_UNUSED)
212 {
213 return onigenc_apply_all_case_fold_with_map(
214 numberof(CaseFoldMap), CaseFoldMap, 1,
215 flag, f, arg);
216 }
217
218 static int
get_case_fold_codes_by_str(OnigCaseFoldType flag,const OnigUChar * p,const OnigUChar * end,OnigCaseFoldCodeItem items[],OnigEncoding enc ARG_UNUSED)219 get_case_fold_codes_by_str(OnigCaseFoldType flag,
220 const OnigUChar* p, const OnigUChar* end,
221 OnigCaseFoldCodeItem items[],
222 OnigEncoding enc ARG_UNUSED)
223 {
224 return onigenc_get_case_fold_codes_by_str_with_map(
225 numberof(CaseFoldMap), CaseFoldMap, 1,
226 flag, p, end, items);
227 }
228
229 static int
case_map(OnigCaseFoldType * flagP,const OnigUChar ** pp,const OnigUChar * end,OnigUChar * to,OnigUChar * to_end,const struct OnigEncodingTypeST * enc)230 case_map(OnigCaseFoldType* flagP, const OnigUChar** pp,
231 const OnigUChar* end, OnigUChar* to, OnigUChar* to_end,
232 const struct OnigEncodingTypeST* enc)
233 {
234 OnigCodePoint code;
235 OnigUChar *to_start = to;
236 OnigCaseFoldType flags = *flagP;
237
238 while (*pp < end && to < to_end) {
239 code = *(*pp)++;
240 if (code == SHARP_s) {
241 if (flags & ONIGENC_CASE_UPCASE) {
242 flags |= ONIGENC_CASE_MODIFIED;
243 *to++ = 'S';
244 code = (flags & ONIGENC_CASE_TITLECASE) ? 's' : 'S';
245 }
246 else if (flags & ONIGENC_CASE_FOLD) {
247 flags |= ONIGENC_CASE_MODIFIED;
248 *to++ = 's';
249 code = 's';
250 }
251 }
252 /* else if (code == 0xAA || code == 0xBA) ; */
253 else if ((EncISO_8859_14_CtypeTable[code] & BIT_CTYPE_UPPER)
254 && (flags & (ONIGENC_CASE_DOWNCASE | ONIGENC_CASE_FOLD))) {
255 flags |= ONIGENC_CASE_MODIFIED;
256 code = ENC_ISO_8859_14_TO_LOWER_CASE(code);
257 }
258 else if ((EncISO_8859_14_CtypeTable[code] & BIT_CTYPE_LOWER)
259 && (flags & ONIGENC_CASE_UPCASE)) {
260 flags |= ONIGENC_CASE_MODIFIED;
261 if (code == 0xA2 || code == 0xA5 || code == 0xB1 || code == 0xB3 || code == 0xB5 || code == 0xBE)
262 code -= 0x1;
263 else if (code == 0xAB)
264 code -= 0x5;
265 else if (code == 0xFF)
266 code -= 0x50;
267 else if (code == 0xB9)
268 code -= 0x2;
269 else if (code == 0xBF)
270 code -= 0x4;
271 else if (code == 0xB8 || code == 0xBA || code == 0xBC)
272 code -= 0x10;
273 else
274 code -= 0x20;
275 }
276 *to++ = code;
277 if (flags & ONIGENC_CASE_TITLECASE) /* switch from titlecase to lowercase for capitalize */
278 flags ^= (ONIGENC_CASE_UPCASE | ONIGENC_CASE_DOWNCASE | ONIGENC_CASE_TITLECASE);
279 }
280 *flagP = flags;
281 return (int )(to - to_start);
282 }
283
284 OnigEncodingDefine(iso_8859_14, ISO_8859_14) = {
285 onigenc_single_byte_mbc_enc_len,
286 "ISO-8859-14", /* name */
287 1, /* max enc length */
288 1, /* min enc length */
289 onigenc_is_mbc_newline_0x0a,
290 onigenc_single_byte_mbc_to_code,
291 onigenc_single_byte_code_to_mbclen,
292 onigenc_single_byte_code_to_mbc,
293 mbc_case_fold,
294 apply_all_case_fold,
295 get_case_fold_codes_by_str,
296 onigenc_minimum_property_name_to_ctype,
297 is_code_ctype,
298 onigenc_not_support_get_ctype_code_range,
299 onigenc_single_byte_left_adjust_char_head,
300 onigenc_always_true_is_allowed_reverse_match,
301 case_map,
302 0,
303 ONIGENC_FLAG_NONE,
304 };
305 ENC_ALIAS("ISO8859-14", "ISO-8859-14")
306