1 /**********************************************************************
2 iso8859_5.c - Oniguruma (regular expression library)
3 **********************************************************************/
4 /*-
5 * Copyright (c) 2002-2016 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
32 #define ENC_ISO_8859_5_TO_LOWER_CASE(c) EncISO_8859_5_ToLowerCaseTable[c]
33 #define ENC_IS_ISO_8859_5_CTYPE(code,ctype) \
34 ((EncISO_8859_5_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
35
36 static const UChar EncISO_8859_5_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', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
58 '\370', '\371', '\372', '\373', '\374', '\255', '\376', '\377',
59 '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
60 '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337',
61 '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
62 '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
63 '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
64 '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\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_5_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, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
93 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x01a0, 0x34a2, 0x34a2,
94 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
95 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
96 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
97 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
98 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
99 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
100 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
101 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
102 0x00a0, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
103 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0, 0x30e2, 0x30e2
104 };
105
106 static int
mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED,const UChar ** pp,const UChar * end ARG_UNUSED,UChar * lower)107 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_ISO_8859_5_TO_LOWER_CASE(*p);
113 (*pp)++;
114 return 1;
115 }
116
117 #if 0
118 static int
119 is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp, const UChar* end)
120 {
121 int v;
122 const UChar* p = *pp;
123
124 (*pp)++;
125 v = (EncISO_8859_5_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
126 return (v != 0 ? TRUE : FALSE);
127 }
128 #endif
129
130 static int
is_code_ctype(OnigCodePoint code,unsigned int ctype)131 is_code_ctype(OnigCodePoint code, unsigned int ctype)
132 {
133 if (code < 256)
134 return ENC_IS_ISO_8859_5_CTYPE(code, ctype);
135 else
136 return FALSE;
137 }
138
139 static const OnigPairCaseFoldCodes CaseFoldMap[] = {
140 { 0xa1, 0xf1 },
141 { 0xa2, 0xf2 },
142 { 0xa3, 0xf3 },
143 { 0xa4, 0xf4 },
144 { 0xa5, 0xf5 },
145 { 0xa6, 0xf6 },
146 { 0xa7, 0xf7 },
147 { 0xa8, 0xf8 },
148 { 0xa9, 0xf9 },
149 { 0xaa, 0xfa },
150 { 0xab, 0xfb },
151 { 0xac, 0xfc },
152 { 0xae, 0xfe },
153 { 0xaf, 0xff },
154
155 { 0xb0, 0xd0 },
156 { 0xb1, 0xd1 },
157 { 0xb2, 0xd2 },
158 { 0xb3, 0xd3 },
159 { 0xb4, 0xd4 },
160 { 0xb5, 0xd5 },
161 { 0xb6, 0xd6 },
162 { 0xb7, 0xd7 },
163 { 0xb8, 0xd8 },
164 { 0xb9, 0xd9 },
165 { 0xba, 0xda },
166 { 0xbb, 0xdb },
167 { 0xbc, 0xdc },
168 { 0xbd, 0xdd },
169 { 0xbe, 0xde },
170 { 0xbf, 0xdf },
171
172 { 0xc0, 0xe0 },
173 { 0xc1, 0xe1 },
174 { 0xc2, 0xe2 },
175 { 0xc3, 0xe3 },
176 { 0xc4, 0xe4 },
177 { 0xc5, 0xe5 },
178 { 0xc6, 0xe6 },
179 { 0xc7, 0xe7 },
180 { 0xc8, 0xe8 },
181 { 0xc9, 0xe9 },
182 { 0xca, 0xea },
183 { 0xcb, 0xeb },
184 { 0xcc, 0xec },
185 { 0xcd, 0xed },
186 { 0xce, 0xee },
187 { 0xcf, 0xef }
188 };
189
190 static int
apply_all_case_fold(OnigCaseFoldType flag,OnigApplyAllCaseFoldFunc f,void * arg)191 apply_all_case_fold(OnigCaseFoldType flag,
192 OnigApplyAllCaseFoldFunc f, void* arg)
193 {
194 return onigenc_apply_all_case_fold_with_map(
195 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
196 flag, f, arg);
197 }
198
199 static int
get_case_fold_codes_by_str(OnigCaseFoldType flag,const OnigUChar * p,const OnigUChar * end,OnigCaseFoldCodeItem items[])200 get_case_fold_codes_by_str(OnigCaseFoldType flag,
201 const OnigUChar* p, const OnigUChar* end,
202 OnigCaseFoldCodeItem items[])
203 {
204 return onigenc_get_case_fold_codes_by_str_with_map(
205 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
206 flag, p, end, items);
207 }
208
209 OnigEncodingType OnigEncodingISO_8859_5 = {
210 onigenc_single_byte_mbc_enc_len,
211 "ISO-8859-5", /* name */
212 1, /* max enc length */
213 1, /* min enc length */
214 onigenc_is_mbc_newline_0x0a,
215 onigenc_single_byte_mbc_to_code,
216 onigenc_single_byte_code_to_mbclen,
217 onigenc_single_byte_code_to_mbc,
218 mbc_case_fold,
219 apply_all_case_fold,
220 get_case_fold_codes_by_str,
221 onigenc_minimum_property_name_to_ctype,
222 is_code_ctype,
223 onigenc_not_support_get_ctype_code_range,
224 onigenc_single_byte_left_adjust_char_head,
225 onigenc_always_true_is_allowed_reverse_match,
226 NULL, /* init */
227 NULL, /* is_initialized */
228 onigenc_always_true_is_valid_mbc_string
229 };
230
