1/**********************************************************************
2  iso8859_5.c -  Oniguruma (regular expression library)
3**********************************************************************/
4/*-
5 * Copyright (c) 2002-2008  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
36static 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
71static 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
106static int
107mbc_case_fold(OnigCaseFoldType flag,
108	      const UChar** pp, const UChar* end ARG_UNUSED, UChar* lower,
109	      OnigEncoding enc ARG_UNUSED)
110{
111  const UChar* p = *pp;
112
113  *lower = ENC_ISO_8859_5_TO_LOWER_CASE(*p);
114  (*pp)++;
115  return 1;
116}
117
118#if 0
119static int
120is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp, const UChar* end)
121{
122  int v;
123  const UChar* p = *pp;
124
125  (*pp)++;
126  v = (EncISO_8859_5_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
127  return (v != 0 ? TRUE : FALSE);
128}
129#endif
130
131static int
132is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc ARG_UNUSED)
133{
134  if (code < 256)
135    return ENC_IS_ISO_8859_5_CTYPE(code, ctype);
136  else
137    return FALSE;
138}
139
140static const OnigPairCaseFoldCodes CaseFoldMap[] = {
141 { 0xa1, 0xf1 },
142 { 0xa2, 0xf2 },
143 { 0xa3, 0xf3 },
144 { 0xa4, 0xf4 },
145 { 0xa5, 0xf5 },
146 { 0xa6, 0xf6 },
147 { 0xa7, 0xf7 },
148 { 0xa8, 0xf8 },
149 { 0xa9, 0xf9 },
150 { 0xaa, 0xfa },
151 { 0xab, 0xfb },
152 { 0xac, 0xfc },
153 { 0xae, 0xfe },
154 { 0xaf, 0xff },
155
156 { 0xb0, 0xd0 },
157 { 0xb1, 0xd1 },
158 { 0xb2, 0xd2 },
159 { 0xb3, 0xd3 },
160 { 0xb4, 0xd4 },
161 { 0xb5, 0xd5 },
162 { 0xb6, 0xd6 },
163 { 0xb7, 0xd7 },
164 { 0xb8, 0xd8 },
165 { 0xb9, 0xd9 },
166 { 0xba, 0xda },
167 { 0xbb, 0xdb },
168 { 0xbc, 0xdc },
169 { 0xbd, 0xdd },
170 { 0xbe, 0xde },
171 { 0xbf, 0xdf },
172
173 { 0xc0, 0xe0 },
174 { 0xc1, 0xe1 },
175 { 0xc2, 0xe2 },
176 { 0xc3, 0xe3 },
177 { 0xc4, 0xe4 },
178 { 0xc5, 0xe5 },
179 { 0xc6, 0xe6 },
180 { 0xc7, 0xe7 },
181 { 0xc8, 0xe8 },
182 { 0xc9, 0xe9 },
183 { 0xca, 0xea },
184 { 0xcb, 0xeb },
185 { 0xcc, 0xec },
186 { 0xcd, 0xed },
187 { 0xce, 0xee },
188 { 0xcf, 0xef }
189};
190
191static int
192apply_all_case_fold(OnigCaseFoldType flag,
193		    OnigApplyAllCaseFoldFunc f, void* arg,
194		    OnigEncoding enc ARG_UNUSED)
195{
196  return onigenc_apply_all_case_fold_with_map(
197             sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
198             flag, f, arg);
199}
200
201static int
202get_case_fold_codes_by_str(OnigCaseFoldType flag,
203			   const OnigUChar* p, const OnigUChar* end,
204			   OnigCaseFoldCodeItem items[],
205			   OnigEncoding enc ARG_UNUSED)
206{
207  return onigenc_get_case_fold_codes_by_str_with_map(
208	     sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
209	     flag, p, end, items);
210}
211
212OnigEncodingDefine(iso_8859_5, ISO_8859_5) = {
213  onigenc_single_byte_mbc_enc_len,
214  "ISO-8859-5",  /* name */
215  1,             /* max enc length */
216  1,             /* min enc length */
217  onigenc_is_mbc_newline_0x0a,
218  onigenc_single_byte_mbc_to_code,
219  onigenc_single_byte_code_to_mbclen,
220  onigenc_single_byte_code_to_mbc,
221  mbc_case_fold,
222  apply_all_case_fold,
223  get_case_fold_codes_by_str,
224  onigenc_minimum_property_name_to_ctype,
225  is_code_ctype,
226  onigenc_not_support_get_ctype_code_range,
227  onigenc_single_byte_left_adjust_char_head,
228  onigenc_always_true_is_allowed_reverse_match,
229  0,
230  ONIGENC_FLAG_NONE,
231};
232ENC_ALIAS("ISO8859-5", "ISO-8859-5")
233