Ruby  1.9.3p429(2013-05-15revision40747)
iso_8859_14.c
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1 /**********************************************************************
2  iso8859_14.c - Oniguruma (regular expression library)
3 **********************************************************************/
4 /*-
5  * Copyright (c) 2002-2007 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_14_TO_LOWER_CASE(c) EncISO_8859_14_ToLowerCaseTable[c]
33 #define ENC_IS_ISO_8859_14_CTYPE(code,ctype) \
34  ((EncISO_8859_14_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
35 
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', '\242', '\242', '\243', '\245', '\245', '\253', '\247',
58  '\270', '\251', '\272', '\253', '\274', '\255', '\256', '\377',
59  '\261', '\261', '\263', '\263', '\265', '\265', '\266', '\271',
60  '\270', '\271', '\272', '\277', '\274', '\276', '\276', '\277',
61  '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
62  '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
63  '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
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_14_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, 0x30e2, 0x00a0, 0x34a2, 0x30e2, 0x34a2, 0x00a0,
93  0x34a2, 0x00a0, 0x34a2, 0x30e2, 0x34a2, 0x01a0, 0x00a0, 0x34a2,
94  0x34a2, 0x30e2, 0x34a2, 0x30e2, 0x34a2, 0x30e2, 0x00a0, 0x34a2,
95  0x30e2, 0x30e2, 0x30e2, 0x34a2, 0x30e2, 0x34a2, 0x30e2, 0x30e2,
96  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
97  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
98  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
99  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x30e2,
100  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
101  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
102  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
103  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2
104 };
105 
106 static int
108  const UChar** pp, const UChar* end ARG_UNUSED,
109  UChar* lower, OnigEncoding enc ARG_UNUSED)
110 {
111  const UChar* p = *pp;
112 
113  if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
114  *lower++ = 's';
115  *lower = 's';
116  (*pp)++;
117  return 2;
118  }
119 
120  *lower = ENC_ISO_8859_14_TO_LOWER_CASE(*p);
121  (*pp)++;
122  return 1; /* return byte length of converted char to lower */
123 }
124 
125 #if 0
126 static int
127 is_mbc_ambiguous(OnigCaseFoldType flag,
128  const UChar** pp, const UChar* end)
129 {
130  int v;
131  const UChar* p = *pp;
132 
133  if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
134  (*pp)++;
135  return TRUE;
136  }
137 
138  (*pp)++;
140  if ((v | BIT_CTYPE_LOWER) != 0) {
141  return TRUE;
142  }
143 
144  return (v != 0 ? TRUE : FALSE);
145 }
146 #endif
147 
148 static int
149 is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc ARG_UNUSED)
150 {
151  if (code < 256)
152  return ENC_IS_ISO_8859_14_CTYPE(code, ctype);
153  else
154  return FALSE;
155 }
156 
158  { 0xa1, 0xa2 },
159  { 0xa4, 0xa5 },
160  { 0xa6, 0xab },
161  { 0xa8, 0xb8 },
162  { 0xaa, 0xba },
163  { 0xac, 0xbc },
164  { 0xaf, 0xff },
165 
166  { 0xb0, 0xb1 },
167  { 0xb2, 0xb3 },
168  { 0xb4, 0xb5 },
169  { 0xb7, 0xb9 },
170  { 0xbb, 0xbf },
171  { 0xbd, 0xbe },
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  { 0xd0, 0xf0 },
191  { 0xd1, 0xf1 },
192  { 0xd2, 0xf2 },
193  { 0xd3, 0xf3 },
194  { 0xd4, 0xf4 },
195  { 0xd5, 0xf5 },
196  { 0xd6, 0xf6 },
197  { 0xd7, 0xf7 },
198  { 0xd8, 0xf8 },
199  { 0xd9, 0xf9 },
200  { 0xda, 0xfa },
201  { 0xdb, 0xfb },
202  { 0xdc, 0xfc },
203  { 0xdd, 0xfd },
204  { 0xde, 0xfe }
205 };
206 
207 static int
209  OnigApplyAllCaseFoldFunc f, void* arg,
210  OnigEncoding enc ARG_UNUSED)
211 {
213  sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1,
214  flag, f, arg);
215 }
216 
217 static int
219  const OnigUChar* p, const OnigUChar* end,
220  OnigCaseFoldCodeItem items[],
221  OnigEncoding enc ARG_UNUSED)
222 {
224  sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1,
225  flag, p, end, items);
226 }
227 
228 OnigEncodingDefine(iso_8859_14, ISO_8859_14) = {
230  "ISO-8859-14", /* name */
231  1, /* max enc length */
232  1, /* min enc length */
245 };
246 ENC_ALIAS("ISO8859-14", "ISO-8859-14")
247