1 /**********************************************************************
2 iso8859_3.c - Oniguruma (regular expression library)
3 **********************************************************************/
4 /*-
5 * Copyright (c) 2002-2019 K.Kosako
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
32 #define ENC_ISO_8859_3_TO_LOWER_CASE(c) EncISO_8859_3_ToLowerCaseTable[c]
33 #define ENC_IS_ISO_8859_3_CTYPE(code,ctype) \
34 ((EncISO_8859_3_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
35
36 static const UChar EncISO_8859_3_ToLowerCaseTable[256] = {
37 '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
38 '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
39 '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
40 '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
41 '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
42 '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
43 '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
44 '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
45 '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
46 '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
47 '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
48 '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
49 '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
50 '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
51 '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
52 '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
53 '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
54 '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
55 '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
56 '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
57 '\240', '\261', '\242', '\243', '\244', '\245', '\266', '\247',
58 '\250', '\271', '\272', '\273', '\274', '\255', '\256', '\277',
59 '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
60 '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
61 '\340', '\341', '\342', '\303', '\344', '\345', '\346', '\347',
62 '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
63 '\320', '\361', '\362', '\363', '\364', '\365', '\366', '\327',
64 '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\337',
65 '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
66 '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
67 '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
68 '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377'
69 };
70
71 static const unsigned short EncISO_8859_3_CtypeTable[256] = {
72 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
73 0x4008, 0x420c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008,
74 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
75 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
76 0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
77 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
78 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0,
79 0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
80 0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2,
81 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
82 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
83 0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0,
84 0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2,
85 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
86 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
87 0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008,
88 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
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 0x0284, 0x34a2, 0x00a0, 0x00a0, 0x00a0, 0x0000, 0x34a2, 0x00a0,
93 0x00a0, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x01a0, 0x0000, 0x34a2,
94 0x00a0, 0x30e2, 0x10a0, 0x10a0, 0x00a0, 0x30e2, 0x30e2, 0x01a0,
95 0x00a0, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x11a0, 0x0000, 0x30e2,
96 0x34a2, 0x34a2, 0x34a2, 0x0000, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
97 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
98 0x0000, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x00a0,
99 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x30e2,
100 0x30e2, 0x30e2, 0x30e2, 0x0000, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
101 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
102 0x0000, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0,
103 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0
104 };
105
106 static int
mbc_case_fold(OnigCaseFoldType flag,const UChar ** pp,const UChar * end ARG_UNUSED,UChar * lower)107 mbc_case_fold(OnigCaseFoldType flag, const UChar** pp,
108 const UChar* end ARG_UNUSED, UChar* lower)
109 {
110 const UChar* p = *pp;
111
112 if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
113 *lower++ = 's';
114 *lower = 's';
115 (*pp)++;
116 return 2;
117 }
118
119 *lower = ENC_ISO_8859_3_TO_LOWER_CASE(*p);
120 (*pp)++;
121 return 1;
122 }
123
124 static int
is_code_ctype(OnigCodePoint code,unsigned int ctype)125 is_code_ctype(OnigCodePoint code, unsigned int ctype)
126 {
127 if (code < 256)
128 return ENC_IS_ISO_8859_3_CTYPE(code, ctype);
129 else
130 return FALSE;
131 }
132
133 static const OnigPairCaseFoldCodes CaseFoldMap[] = {
134 { 0xa1, 0xb1 },
135 { 0xa6, 0xb6 },
136 { 0xa9, 0xb9 },
137 { 0xaa, 0xba },
138 { 0xab, 0xbb },
139 { 0xac, 0xbc },
140 { 0xaf, 0xbf },
141
142 { 0xc0, 0xe0 },
143 { 0xc1, 0xe1 },
144 { 0xc2, 0xe2 },
145 { 0xc4, 0xe4 },
146 { 0xc5, 0xe5 },
147 { 0xc6, 0xe6 },
148 { 0xc7, 0xe7 },
149 { 0xc8, 0xe8 },
150 { 0xc9, 0xe9 },
151 { 0xca, 0xea },
152 { 0xcb, 0xeb },
153 { 0xcc, 0xec },
154 { 0xcd, 0xed },
155 { 0xce, 0xee },
156 { 0xcf, 0xef },
157
158 { 0xd1, 0xf1 },
159 { 0xd2, 0xf2 },
160 { 0xd3, 0xf3 },
161 { 0xd4, 0xf4 },
162 { 0xd5, 0xf5 },
163 { 0xd6, 0xf6 },
164 { 0xd8, 0xf8 },
165 { 0xd9, 0xf9 },
166 { 0xda, 0xfa },
167 { 0xdb, 0xfb },
168 { 0xdc, 0xfc },
169 { 0xdd, 0xfd },
170 { 0xde, 0xfe }
171 };
172
173
174 static int
apply_all_case_fold(OnigCaseFoldType flag,OnigApplyAllCaseFoldFunc f,void * arg)175 apply_all_case_fold(OnigCaseFoldType flag,
176 OnigApplyAllCaseFoldFunc f, void* arg)
177 {
178 return onigenc_apply_all_case_fold_with_map(
179 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1,
180 flag, f, arg);
181 }
182
183 static int
get_case_fold_codes_by_str(OnigCaseFoldType flag,const OnigUChar * p,const OnigUChar * end,OnigCaseFoldCodeItem items[])184 get_case_fold_codes_by_str(OnigCaseFoldType flag,
185 const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])
186 {
187 return onigenc_get_case_fold_codes_by_str_with_map(
188 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1,
189 flag, p, end, items);
190 }
191
192 OnigEncodingType OnigEncodingISO_8859_3 = {
193 onigenc_single_byte_mbc_enc_len,
194 "ISO-8859-3", /* name */
195 1, /* max enc length */
196 1, /* min enc length */
197 onigenc_is_mbc_newline_0x0a,
198 onigenc_single_byte_mbc_to_code,
199 onigenc_single_byte_code_to_mbclen,
200 onigenc_single_byte_code_to_mbc,
201 mbc_case_fold,
202 apply_all_case_fold,
203 get_case_fold_codes_by_str,
204 onigenc_minimum_property_name_to_ctype,
205 is_code_ctype,
206 onigenc_not_support_get_ctype_code_range,
207 onigenc_single_byte_left_adjust_char_head,
208 onigenc_always_true_is_allowed_reverse_match,
209 NULL, /* init */
210 NULL, /* is_initialized */
211 onigenc_always_true_is_valid_mbc_string,
212 ENC_FLAG_ASCII_COMPATIBLE|ENC_FLAG_SKIP_OFFSET_1,
213 0, 0
214 };
215
