1 /**********************************************************************
2 windows_1250.c - Oniguruma (regular expression library)
3 **********************************************************************/
4 /*-
5 * Copyright (c) 2006-2007 Byte <byte AT mail DOT kna DOT ru>
6 * K.Kosako <sndgk393 AT ybb DOT ne 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 "regenc.h"
32 #include "iso_8859.h"
33
34 #define ENC_CP1250_TO_LOWER_CASE(c) EncCP1250_ToLowerCaseTable[c]
35 #define ENC_IS_CP1250_CTYPE(code,ctype) \
36 ((EncCP1250_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
37
38 static const UChar EncCP1250_ToLowerCaseTable[256] = {
39 '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
40 '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
41 '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
42 '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
43 '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
44 '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
45 '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
46 '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
47 '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
48 '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
49 '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
50 '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
51 '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
52 '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
53 '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
54 '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
55 '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
56 '\210', '\211', '\232', '\213', '\234', '\235', '\236', '\237',
57 '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
58 '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
59 '\240', '\241', '\242', '\263', '\244', '\271', '\246', '\247',
60 '\250', '\251', '\272', '\253', '\254', '\255', '\256', '\277',
61 '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
62 '\270', '\271', '\272', '\273', '\276', '\275', '\276', '\277',
63 '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
64 '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
65 '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
66 '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\337',
67 '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
68 '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
69 '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
70 '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377',
71 };
72
73 static const unsigned short EncCP1250_CtypeTable[256] = {
74 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
75 0x4008, 0x420c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008,
76 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
77 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
78 0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
79 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
80 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0,
81 0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
82 0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2,
83 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
84 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
85 0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0,
86 0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2,
87 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
88 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
89 0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008,
90 0x00a0, 0x0000, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,/* 8 */
91 0x0008, 0x0008, 0x34a2, 0x0008, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
92 0x0000, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,/* 9 */
93 0x0008, 0x0008, 0x30e2, 0x0008, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
94 0x0284, 0x01a0, 0x00a0, 0x34a2, 0x00a0, 0x34a2, 0x00a0, 0x00a0,/* A */
95 0x00a0, 0x00a0, 0x34a2, 0x01a0, 0x00a0, 0x01a0, 0x00a0, 0x34a2,
96 0x00a0, 0x00a0, 0x10a0, 0x30e2, 0x00a0, 0x30e2, 0x00a0, 0x01a0,/* B */
97 0x00a0, 0x30e2, 0x30e2, 0x01a0, 0x34a2, 0x10a0, 0x30e2, 0x30e2,
98 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,/* C */
99 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
100 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x00a0,/* D */
101 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x30e2,
102 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,/* E */
103 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
104 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0,/* F */
105 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0,
106 };
107
108 static int
cp1250_mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED,const UChar ** pp,const UChar * end ARG_UNUSED,UChar * lower,OnigEncoding enc ARG_UNUSED)109 cp1250_mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED,
110 const UChar** pp, const UChar* end ARG_UNUSED, UChar* lower, OnigEncoding enc ARG_UNUSED)
111 {
112 const UChar* p = *pp;
113
114 *lower = ENC_CP1250_TO_LOWER_CASE(*p);
115 (*pp)++;
116 return 1;
117 }
118
119 static int
cp1250_is_code_ctype(OnigCodePoint code,unsigned int ctype,OnigEncoding enc ARG_UNUSED)120 cp1250_is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc ARG_UNUSED)
121 {
122 if (code < 256)
123 return ENC_IS_CP1250_CTYPE(code, ctype);
124 else
125 return FALSE;
126 }
127
128 static const OnigPairCaseFoldCodes CaseFoldMap[] = {
129 { 0x8a, 0x9a },
130 { 0x8c, 0x9c },
131 { 0x8d, 0x9d },
132 { 0x8e, 0x9e },
133 { 0x8f, 0x9f },
134
135 { 0xa3, 0xb3 },
136 { 0xa5, 0xb9 },
137 { 0xaa, 0xba },
138 { 0xaf, 0xbf },
139
140 { 0xbc, 0xbe },
141
142 { 0xc0, 0xe0 },
143 { 0xc1, 0xe1 },
144 { 0xc2, 0xe2 },
145 { 0xc3, 0xe3 },
146 { 0xc4, 0xe4 },
147 { 0xc5, 0xe5 },
148 { 0xc6, 0xe6 },
149 { 0xc7, 0xe7 },
150 { 0xc8, 0xe8 },
151 { 0xc9, 0xe9 },
152 { 0xca, 0xea },
153 { 0xcb, 0xeb },
154 { 0xcc, 0xec },
155 { 0xcd, 0xed },
156 { 0xce, 0xee },
157 { 0xcf, 0xef },
158
159 { 0xd0, 0xf0 },
160 { 0xd1, 0xf1 },
161 { 0xd2, 0xf2 },
162 { 0xd3, 0xf3 },
163 { 0xd4, 0xf4 },
164 { 0xd5, 0xf5 },
165 { 0xd6, 0xf6 },
166 { 0xd8, 0xf8 },
167 { 0xd9, 0xf9 },
168 { 0xda, 0xfa },
169 { 0xdb, 0xfb },
170 { 0xdc, 0xfc },
171 { 0xdd, 0xfd },
172 { 0xde, 0xfe },
173 };
174
175 static int
cp1250_apply_all_case_fold(OnigCaseFoldType flag,OnigApplyAllCaseFoldFunc f,void * arg,OnigEncoding enc ARG_UNUSED)176 cp1250_apply_all_case_fold(OnigCaseFoldType flag,
177 OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc ARG_UNUSED)
178 {
179 return onigenc_apply_all_case_fold_with_map(
180 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1,
181 flag, f, arg);
182 }
183
184 static int
cp1250_get_case_fold_codes_by_str(OnigCaseFoldType flag,const OnigUChar * p,const OnigUChar * end,OnigCaseFoldCodeItem items[],OnigEncoding enc ARG_UNUSED)185 cp1250_get_case_fold_codes_by_str(OnigCaseFoldType flag,
186 const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[], OnigEncoding enc ARG_UNUSED)
187 {
188 return onigenc_get_case_fold_codes_by_str_with_map(
189 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1,
190 flag, p, end, items);
191 }
192
193 static int
case_map(OnigCaseFoldType * flagP,const OnigUChar ** pp,const OnigUChar * end,OnigUChar * to,OnigUChar * to_end,const struct OnigEncodingTypeST * enc)194 case_map(OnigCaseFoldType* flagP, const OnigUChar** pp,
195 const OnigUChar* end, OnigUChar* to, OnigUChar* to_end,
196 const struct OnigEncodingTypeST* enc)
197 {
198 OnigCodePoint code;
199 OnigUChar *to_start = to;
200 OnigCaseFoldType flags = *flagP;
201
202 while (*pp < end && to < to_end) {
203 code = *(*pp)++;
204 if (code == SHARP_s) {
205 if (flags & ONIGENC_CASE_UPCASE) {
206 flags |= ONIGENC_CASE_MODIFIED;
207 *to++ = 'S';
208 code = (flags & ONIGENC_CASE_TITLECASE) ? 's' : 'S';
209 }
210 else if (flags & ONIGENC_CASE_FOLD) {
211 flags |= ONIGENC_CASE_MODIFIED;
212 *to++ = 's';
213 code = 's';
214 }
215 }
216 else if ((EncCP1250_CtypeTable[code] & BIT_CTYPE_UPPER)
217 && (flags & (ONIGENC_CASE_DOWNCASE | ONIGENC_CASE_FOLD))) {
218 flags |= ONIGENC_CASE_MODIFIED;
219 code = ENC_CP1250_TO_LOWER_CASE(code);
220 }
221 else if (code == 0xB5)
222 ;
223 else if ((EncCP1250_CtypeTable[code]&BIT_CTYPE_LOWER)
224 && (flags & ONIGENC_CASE_UPCASE)) {
225 flags |= ONIGENC_CASE_MODIFIED;
226 if (code == 0xB9)
227 code = 0xA5;
228 else if (code == 0xBE)
229 code = 0xBC;
230 else if (code >= 0x8A && code <= 0xBF && code!=0xB9)
231 code -= 0x10;
232 else
233 code -= 0x20;
234 }
235 *to++ = code;
236 if (flags & ONIGENC_CASE_TITLECASE) /* switch from titlecase to lowercase for capitalize */
237 flags ^= (ONIGENC_CASE_UPCASE | ONIGENC_CASE_DOWNCASE | ONIGENC_CASE_TITLECASE);
238 }
239 *flagP = flags;
240 return (int )(to - to_start);
241 }
242
243 OnigEncodingDefine(windows_1250, Windows_1250) = {
244 onigenc_single_byte_mbc_enc_len,
245 "Windows-1250", /* name */
246 1, /* max enc length */
247 1, /* min enc length */
248 onigenc_is_mbc_newline_0x0a,
249 onigenc_single_byte_mbc_to_code,
250 onigenc_single_byte_code_to_mbclen,
251 onigenc_single_byte_code_to_mbc,
252 cp1250_mbc_case_fold,
253 cp1250_apply_all_case_fold,
254 cp1250_get_case_fold_codes_by_str,
255 onigenc_minimum_property_name_to_ctype,
256 cp1250_is_code_ctype,
257 onigenc_not_support_get_ctype_code_range,
258 onigenc_single_byte_left_adjust_char_head,
259 onigenc_always_true_is_allowed_reverse_match,
260 case_map,
261 0,
262 ONIGENC_FLAG_NONE,
263 };
264 /*
265 * Name: windows-1250
266 * MIBenum: 2251
267 * Link: http://www.iana.org/assignments/character-sets
268 * Link: http://www.microsoft.com/globaldev/reference/sbcs/1250.mspx
269 * Link: http://en.wikipedia.org/wiki/Windows-1250
270 */
271 ENC_ALIAS("CP1250", "Windows-1250")
272