Ruby  1.9.3p429(2013-05-15revision40747)
iso_8859_7.c
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1 /**********************************************************************
2  iso8859_7.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_7_TO_LOWER_CASE(c) EncISO_8859_7_ToLowerCaseTable[c]
33 #define ENC_IS_ISO_8859_7_CTYPE(code,ctype) \
34  ((EncISO_8859_7_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', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
58  '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
59  '\260', '\261', '\262', '\263', '\264', '\265', '\334', '\267',
60  '\335', '\336', '\337', '\273', '\374', '\275', '\375', '\376',
61  '\300', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
62  '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
63  '\360', '\361', '\322', '\363', '\364', '\365', '\366', '\367',
64  '\370', '\371', '\372', '\373', '\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_7_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, 0x01a0, 0x01a0, 0x00a0, 0x0000, 0x0000, 0x00a0, 0x00a0,
93  0x00a0, 0x00a0, 0x0000, 0x01a0, 0x00a0, 0x01a0, 0x0000, 0x01a0,
94  0x00a0, 0x00a0, 0x10a0, 0x10a0, 0x00a0, 0x00a0, 0x34a2, 0x01a0,
95  0x34a2, 0x34a2, 0x34a2, 0x01a0, 0x34a2, 0x10a0, 0x34a2, 0x34a2,
96  0x30e2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
97  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
98  0x34a2, 0x34a2, 0x0000, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
99  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x30e2, 0x30e2, 0x30e2, 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, 0x0000
104 };
105 
106 static int
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_7_TO_LOWER_CASE(*p);
114  (*pp)++;
115  return 1;
116 }
117 
118 #if 0
119 static int
120 is_mbc_ambiguous(OnigCaseFoldType flag,
121  const UChar** pp, const UChar* end)
122 {
123  int v;
124  const UChar* p = *pp;
125 
126  (*pp)++;
128  if ((v | BIT_CTYPE_LOWER) != 0) {
129  if (*p == 0xc0 || *p == 0xe0)
130  return FALSE;
131  else
132  return TRUE;
133  }
134 
135  return (v != 0 ? TRUE : FALSE);
136 }
137 #endif
138 
139 static int
140 is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc ARG_UNUSED)
141 {
142  if (code < 256)
143  return ENC_IS_ISO_8859_7_CTYPE(code, ctype);
144  else
145  return FALSE;
146 }
147 
149  { 0xb6, 0xdc },
150  { 0xb8, 0xdd },
151  { 0xb9, 0xde },
152  { 0xba, 0xdf },
153  { 0xbc, 0xfc },
154  { 0xbe, 0xfd },
155  { 0xbf, 0xfe },
156 
157  { 0xc1, 0xe1 },
158  { 0xc2, 0xe2 },
159  { 0xc3, 0xe3 },
160  { 0xc4, 0xe4 },
161  { 0xc5, 0xe5 },
162  { 0xc6, 0xe6 },
163  { 0xc7, 0xe7 },
164  { 0xc8, 0xe8 },
165  { 0xc9, 0xe9 },
166  { 0xca, 0xea },
167  { 0xcb, 0xeb },
168  { 0xcc, 0xec },
169  { 0xcd, 0xed },
170  { 0xce, 0xee },
171  { 0xcf, 0xef },
172 
173  { 0xd0, 0xf0 },
174  { 0xd1, 0xf1 },
175  { 0xd2, 0xf2 },
176  { 0xd3, 0xf3 },
177  { 0xd4, 0xf4 },
178  { 0xd5, 0xf5 },
179  { 0xd6, 0xf6 },
180  { 0xd7, 0xf7 },
181  { 0xd8, 0xf8 },
182  { 0xd9, 0xf9 },
183  { 0xda, 0xfa },
184  { 0xdb, 0xfb }
185 };
186 
187 static int
189  OnigApplyAllCaseFoldFunc f, void* arg,
190  OnigEncoding enc ARG_UNUSED)
191 {
193  sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
194  flag, f, arg);
195 }
196 
197 static int
199  const OnigUChar* p, const OnigUChar* end,
200  OnigCaseFoldCodeItem items[],
201  OnigEncoding enc ARG_UNUSED)
202 {
204  sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
205  flag, p, end, items);
206 }
207 
208 
209 OnigEncodingDefine(iso_8859_7, ISO_8859_7) = {
211  "ISO-8859-7", /* name */
212  1, /* max enc length */
213  1, /* min enc length */
226 };
227 ENC_ALIAS("ISO8859-7", "ISO-8859-7")
228 
229 /*
230  * Name: windows-1253
231  * MIBenum: 2253
232  * Link: http://www.iana.org/assignments/character-sets
233  * Link: http://www.microsoft.com/globaldev/reference/sbcs/1253.mspx
234  * Link: http://en.wikipedia.org/wiki/Windows-1253
235  */
236 ENC_REPLICATE("Windows-1253", "ISO-8859-7")
237 ENC_ALIAS("CP1253", "Windows-1253")
238