1 /**********************************************************************
2 koi8_r.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_KOI8_R_TO_LOWER_CASE(c) EncKOI8_R_ToLowerCaseTable[c]
33 #define ENC_IS_KOI8_R_CTYPE(code,ctype) \
34 ((EncKOI8_R_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
35
36 static const UChar EncKOI8_R_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', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
58 '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
59 '\260', '\261', '\262', '\243', '\264', '\265', '\266', '\267',
60 '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
61 '\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
62 '\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
63 '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
64 '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337',
65 '\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
66 '\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
67 '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
68 '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337'
69 };
70
71 static const unsigned short EncKOI8_R_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 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0,
89 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0,
90 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0,
91 0x00a0, 0x00a0, 0x0284, 0x00a0, 0x00a0, 0x10a0, 0x01a0, 0x00a0,
92 0x00a0, 0x00a0, 0x00a0, 0x30e2, 0x00a0, 0x00a0, 0x00a0, 0x00a0,
93 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0,
94 0x00a0, 0x00a0, 0x00a0, 0x34a2, 0x00a0, 0x00a0, 0x00a0, 0x00a0,
95 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0,
96 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
97 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
98 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
99 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
100 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
101 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
102 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
103 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2
104 };
105
106 static int
koi8_r_mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED,const UChar ** pp,const UChar * end ARG_UNUSED,UChar * lower)107 koi8_r_mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED,
108 const UChar** pp, const UChar* end ARG_UNUSED, UChar* lower)
109 {
110 const UChar* p = *pp;
111
112 *lower = ENC_KOI8_R_TO_LOWER_CASE(*p);
113 (*pp)++;
114 return 1;
115 }
116
117 static int
koi8_r_is_code_ctype(OnigCodePoint code,unsigned int ctype)118 koi8_r_is_code_ctype(OnigCodePoint code, unsigned int ctype)
119 {
120 if (code < 256)
121 return ENC_IS_KOI8_R_CTYPE(code, ctype);
122 else
123 return FALSE;
124 }
125
126 static const OnigPairCaseFoldCodes CaseFoldMap[] = {
127 { 0xa3, 0xb3 },
128
129 { 0xc0, 0xe0 },
130 { 0xc1, 0xe1 },
131 { 0xc2, 0xe2 },
132 { 0xc3, 0xe3 },
133 { 0xc4, 0xe4 },
134 { 0xc5, 0xe5 },
135 { 0xc6, 0xe6 },
136 { 0xc7, 0xe7 },
137 { 0xc8, 0xe8 },
138 { 0xc9, 0xe9 },
139 { 0xca, 0xea },
140 { 0xcb, 0xeb },
141 { 0xcc, 0xec },
142 { 0xcd, 0xed },
143 { 0xce, 0xee },
144 { 0xcf, 0xef },
145
146 { 0xd0, 0xf0 },
147 { 0xd1, 0xf1 },
148 { 0xd2, 0xf2 },
149 { 0xd3, 0xf3 },
150 { 0xd4, 0xf4 },
151 { 0xd5, 0xf5 },
152 { 0xd6, 0xf6 },
153 { 0xd7, 0xf7 },
154 { 0xd8, 0xf8 },
155 { 0xd9, 0xf9 },
156 { 0xda, 0xfa },
157 { 0xdb, 0xfb },
158 { 0xdc, 0xfc },
159 { 0xdd, 0xfd },
160 { 0xde, 0xfe },
161 { 0xdf, 0xff }
162 };
163
164 static int
koi8_r_apply_all_case_fold(OnigCaseFoldType flag,OnigApplyAllCaseFoldFunc f,void * arg)165 koi8_r_apply_all_case_fold(OnigCaseFoldType flag,
166 OnigApplyAllCaseFoldFunc f, void* arg)
167 {
168 return onigenc_apply_all_case_fold_with_map(
169 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
170 flag, f, arg);
171 }
172
173 static int
koi8_r_get_case_fold_codes_by_str(OnigCaseFoldType flag,const OnigUChar * p,const OnigUChar * end,OnigCaseFoldCodeItem items[])174 koi8_r_get_case_fold_codes_by_str(OnigCaseFoldType flag,
175 const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])
176 {
177 return onigenc_get_case_fold_codes_by_str_with_map(
178 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
179 flag, p, end, items);
180 }
181
182 OnigEncodingType OnigEncodingKOI8_R = {
183 onigenc_single_byte_mbc_enc_len,
184 "KOI8-R", /* name */
185 1, /* max enc length */
186 1, /* min enc length */
187 onigenc_is_mbc_newline_0x0a,
188 onigenc_single_byte_mbc_to_code,
189 onigenc_single_byte_code_to_mbclen,
190 onigenc_single_byte_code_to_mbc,
191 koi8_r_mbc_case_fold,
192 koi8_r_apply_all_case_fold,
193 koi8_r_get_case_fold_codes_by_str,
194 onigenc_minimum_property_name_to_ctype,
195 koi8_r_is_code_ctype,
196 onigenc_not_support_get_ctype_code_range,
197 onigenc_single_byte_left_adjust_char_head,
198 onigenc_always_true_is_allowed_reverse_match,
199 NULL, /* init */
200 NULL, /* is_initialized */
201 onigenc_always_true_is_valid_mbc_string,
202 ENC_FLAG_ASCII_COMPATIBLE|ENC_FLAG_SKIP_OFFSET_1,
203 0, 0
204 };
205
