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Comparing rxvt-unicode/src/encoding.C (file contents):
Revision 1.1 by pcg, Mon Nov 24 17:28:08 2003 UTC vs.
Revision 1.22 by root, Thu Sep 15 21:13:39 2005 UTC

1/*--------------------------------*-C-*---------------------------------*
2 * File: encoding.C
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *----------------------------------------------------------------------*/
22
1#include "../config.h" 23#include "../config.h"
2 24
3#include "encoding.h" 25#include "encoding.h"
4 26
5#include <cstdlib> 27#include <cstdlib>
… …
8const struct n2cs { 30const struct n2cs {
9 const char *name; 31 const char *name;
10 codeset cs; 32 codeset cs;
11} n2cs[] = { 33} n2cs[] = {
12 /* first one found is the normalized one */ 34 /* first one found is the normalized one */
13 { "ISO88591", CS_ISO8859_1 }, 35 { "ISO88591", CS_ISO8859_1 },
14 { "ISO8859PRIMARY", CS_ISO8859_1 }, // some stupid fonts use this (hi tigert) 36 { "ISO8859PRIMARY", CS_ISO8859_1 }, // some stupid fonts use this (hi tigert)
15 { "ISO88592", CS_ISO8859_2 }, 37 { "ISO88592", CS_ISO8859_2 },
16 { "ISO88593", CS_ISO8859_3 }, 38 { "ISO88593", CS_ISO8859_3 },
17 { "ISO88594", CS_ISO8859_4 }, 39 { "ISO88594", CS_ISO8859_4 },
18 { "ISO88595", CS_ISO8859_5 }, 40 { "ISO88595", CS_ISO8859_5 },
19 { "ISO88596", CS_ISO8859_6 }, 41 { "ISO88596", CS_ISO8859_6 },
20 { "ISO88597", CS_ISO8859_7 }, 42 { "ISO88597", CS_ISO8859_7 },
21 { "ISO88598", CS_ISO8859_8 }, 43 { "ISO88598", CS_ISO8859_8 },
22 { "ISO88599", CS_ISO8859_9 }, 44 { "ISO88599", CS_ISO8859_9 },
23 { "ISO885910", CS_ISO8859_10 }, 45 { "ISO885910", CS_ISO8859_10 },
24 { "ISO885911", CS_ISO8859_11 }, 46 { "ISO885911", CS_ISO8859_11 },
25 { "ISO885913", CS_ISO8859_13 }, 47 { "ISO885913", CS_ISO8859_13 },
26 { "ISO885914", CS_ISO8859_14 }, 48 { "ISO885914", CS_ISO8859_14 },
27 { "ISO885915", CS_ISO8859_15 }, 49 { "ISO885915", CS_ISO8859_15 },
28 { "FCD885915", CS_ISO8859_15 }, 50 { "FCD885915", CS_ISO8859_15 },
29 { "ISO885916", CS_ISO8859_16 }, 51 { "ISO885916", CS_ISO8859_16 },
52
53 { "TIS620*", CS_ISO8859_11 }, // close enough
30 54
31 { "ISO106461", CS_UNICODE }, 55 { "ISO10646*", CS_UNICODE },
32 { "UNICODE", CS_UNICODE }, 56 { "UNICODE", CS_UNICODE },
33 { "UTF8", CS_UNICODE }, 57 { "UTF8", CS_UNICODE },
34 58
35 { "ASCII", CS_US_ASCII }, 59 { "ASCII", CS_US_ASCII },
36 { "USASCII", CS_US_ASCII }, 60 { "USASCII", CS_US_ASCII },
37 { "ANSIX341968", CS_US_ASCII }, 61 { "ANSIX341968", CS_US_ASCII },
38 62
39 { "KOI8R", CS_KOI8_R }, 63 { "KOI8R*", CS_KOI8_R },
40 { "GOST19768741", CS_KOI8_R }, 64 { "GOST1976874*", CS_KOI8_R },
65 { "KOI8RU", CS_KOI8_U },
41 { "KOI8U", CS_KOI8_U }, 66 { "KOI8U", CS_KOI8_U },
42 67
43 { "KSC560119870", CS_KSC5601_1987_0 },
44 { "KSX100119970", CS_KSC5601_1987_0 },
45 { "KSX100119980", CS_KSC5601_1987_0 }, // adds johab
46
47 { "GB231219800", CS_GB2312_1980_0 },
48
49 { "VISCII", CS_VISCII }, 68 { "VISCII*", CS_VISCII },
50 { "VISCII111", CS_VISCII }, 69
51 { "TIS62025291", CS_VISCII }, /* close enough */
52
53 { "JISX020119760", CS_JIS0201_1976_0 }, 70 { "JISX0201*", CS_JIS0201_1976_0 },
54 { "JISX020819830", CS_JIS0208_1983_0 }, 71 { "JISC6226*", CS_JIS0208_1990_0 }, // also wrongly matches -1987-0? (check Encode::JP)
55 { "JISX020819900", CS_JIS0208_1983_0 }, /* ehrm. */ 72 { "JISX0208*", CS_JIS0208_1990_0 }, // also wrongly matches -1987-0? (check Encode::JP)
56 { "JISX021219900", CS_JIS0212_1990_0 }, 73 { "JISX0212*", CS_JIS0212_1990_0 },
74 { "JISX021320001", CS_JIS0213_1 },
75 { "JISX021320002", CS_JIS0213_2 },
76 { "JISX0221*", CS_UNICODE }, // _very_ close
77
78 { "KSC5601*", CS_KSC5601_1987_0 },
79 { "KSX1001*", CS_KSC5601_1987_0 },
80 { "KSC5700*", CS_UNICODE }, // unicode plus extensions
81
82 { "BIG5P*", CS_BIG5_PLUS },
83 { "BIG5ETEN*", CS_BIG5_EXT },
84 { "BIG5*", CS_BIG5 },
85 { "GB2312*", CS_GB2312_1980_0 },
86 { "GBK*", CS_GBK_0 },
87 { "GB6345*", CS_GB2312_1980_0 }, // slightly different to gb2312??
88 { "GB8565*", CS_GB2312_1980_0 }, // a superset of gb2312??
89 { "GB13000*", CS_UNICODE },
90 { "CNS1164319921", CS_CNS11643_1992_1 },
91 { "CNS1164319922", CS_CNS11643_1992_2 },
92 { "CNS1164319923", CS_CNS11643_1992_3 },
93 { "CNS1164319924", CS_CNS11643_1992_4 },
94 { "CNS1164319925", CS_CNS11643_1992_5 },
95 { "CNS1164319926", CS_CNS11643_1992_6 },
96 { "CNS1164319927", CS_CNS11643_1992_7 },
97 { "CNS116431992F", CS_CNS11643_1992_F },
57 98
58 { 0, CS_UNKNOWN } 99 { 0, CS_UNKNOWN }
59}; 100};
60 101
61static const char * 102static const char *
… …
85 name = normalize_name (name); 126 name = normalize_name (name);
86 127
87 const struct n2cs *i = n2cs; 128 const struct n2cs *i = n2cs;
88 129
89 do { 130 do {
131 int len = strlen (i->name);
132
133 if ((i->name[len - 1] == '*'
134 && !strncmp (name, i->name, len - 1))
90 if (!strcmp (name, i->name)) 135 || !strcmp (name, i->name))
91 return i->cs; 136 return i->cs;
137
92 } while ((++i)->name); 138 } while ((++i)->name);
93 139
94 return CS_UNKNOWN; 140 return CS_UNKNOWN;
95} 141}
96 142
97struct rxvt_codeset_conv_unknown : rxvt_codeset_conv { 143static unicode_t cs_unknown_to_unicode (uint32_t enc) { return NOCHAR; }
98 uint32_t to_unicode (uint32_t enc) const { return NOCHAR; }
99 uint32_t from_unicode (uint32_t unicode) const { return NOCHAR; } 144static uint32_t cs_unknown_from_unicode (unicode_t unicode) { return NOCHAR; }
100} rxvt_codeset_conv_unknown;
101 145
102struct rxvt_codeset_conv_us_ascii : rxvt_codeset_conv { 146static unicode_t cs_unicode_to_unicode (uint32_t enc) { return enc; }
147static uint32_t cs_unicode_from_unicode (unicode_t unicode) { return unicode; }
148
149#define cs_us_ascii_to_unicode cs_unicode_to_unicode
103 uint32_t from_unicode (uint32_t unicode) const { return unicode <= 127 ? unicode : NOCHAR; } 150static uint32_t cs_us_ascii_from_unicode (unicode_t unicode) { return unicode <= 127 ? unicode : NOCHAR; }
104} rxvt_codeset_conv_us_ascii;
105 151
106struct rxvt_codeset_conv_unicode : rxvt_codeset_conv { 152#define cs_us_ascii_to_unicode_16 cs_unicode_to_unicode
107 /* transparent */
108} rxvt_codeset_conv_unicode;
109
110struct rxvt_codeset_conv_unicode_16 : rxvt_codeset_conv {
111 uint32_t to_unicode (uint32_t enc) const { return enc; }
112 uint32_t from_unicode (uint32_t unicode) const { return unicode <= 65535 ? unicode : NOCHAR; } 153static uint32_t cs_unicode_16_from_unicode (unicode_t unicode) { return unicode <= 65535 ? unicode : NOCHAR; }
113} rxvt_codeset_conv_unicode_16;
114
115/* block character set, must conform to the dec special pseudofont in defaultfont.C */
116struct rxvt_codeset_conv_special : rxvt_codeset_conv {
117 uint32_t to_unicode (uint32_t enc) const {
118 return enc;
119 }
120
121 uint32_t from_unicode (uint32_t unicode) const {
122 return unicode;
123 }
124} rxvt_codeset_conv_special;
125 154
126#define ENCODING_DEFAULT 155#define ENCODING_DEFAULT
127 156
128#include "table/iso8859_1.h" 157#include "table/iso8859_1.h"
129#include "table/iso8859_15.h" 158#include "table/iso8859_15.h"
… …
149 178
150//#define ENCODING_KR 179//#define ENCODING_KR
151 180
152#include "table/ksc5601_1987_0.h" 181#include "table/ksc5601_1987_0.h"
153 182
154//#define ENCODING_CN 183//#define ENCODING_ZH
155 184
185#include "table/big5.h"
186#include "table/gbk_0.h"
156#include "table/gb2312_1980_0.h" 187#include "table/gb2312_1980_0.h"
157 188
158//#define ENCODING_CN_EXT 189//#define ENCODING_ZH_EXT
159 190
160#include "table/cns11643_1992_1.h" 191#include "table/cns11643_1992_1.h"
161#include "table/cns11643_1992_2.h" 192#include "table/cns11643_1992_2.h"
162#include "table/cns11643_1992_3.h" 193#include "table/cns11643_1992_3.h"
163#include "table/cns11643_1992_4.h" 194#include "table/cns11643_1992_4.h"
… …
173#include "table/viscii.h" 204#include "table/viscii.h"
174 205
175//#define ENCODING_JP 206//#define ENCODING_JP
176 207
177#include "table/jis0201_1976_0.h" 208#include "table/jis0201_1976_0.h"
178#include "table/jis0208_1983_0.h" 209#include "table/jis0208_1990_0.h"
179#include "table/jis0212_1990_0.h" 210#include "table/jis0212_1990_0.h"
180 211
181//#define ENCODING_JP_EXT 212//#define ENCODING_JP_EXT
182 213
183#include "table/jis0213_1.h" 214#include "table/jis0213_1.h"
184#include "table/jis0213_2.h" 215#include "table/jis0213_2.h"
185 216
217#if ENCODING_TO_UNICODE
218# define ENC(base) { cs_ ## base ## _from_unicode, cs_ ## base ## _to_unicode }
219#else
220# define ENC(base) { cs_ ## base ## _from_unicode }
221#endif
222
223
224// order must match table in encoding.h(!)
186const rxvt_codeset_conv *rxvt_codeset[NUM_CODESETS] = { 225const rxvt_codeset_conv rxvt_codeset[NUM_CODESETS] = {
187 &rxvt_codeset_conv_unknown, 226 ENC (unknown),
188 &rxvt_codeset_conv_special,
189 227
190 &rxvt_codeset_conv_us_ascii, 228 ENC (us_ascii),
191 229
192 &rxvt_codeset_conv_iso8859_1, 230 ENC (iso8859_1),
193 &rxvt_codeset_conv_iso8859_2, 231 ENC (iso8859_2),
194 &rxvt_codeset_conv_iso8859_3, 232 ENC (iso8859_3),
195 &rxvt_codeset_conv_iso8859_4, 233 ENC (iso8859_4),
196 &rxvt_codeset_conv_iso8859_5, 234 ENC (iso8859_5),
197 &rxvt_codeset_conv_iso8859_6, 235 ENC (iso8859_6),
198 &rxvt_codeset_conv_iso8859_7, 236 ENC (iso8859_7),
199 &rxvt_codeset_conv_iso8859_8, 237 ENC (iso8859_8),
200 &rxvt_codeset_conv_iso8859_9, 238 ENC (iso8859_9),
201 &rxvt_codeset_conv_iso8859_10, 239 ENC (iso8859_10),
202 &rxvt_codeset_conv_iso8859_11, 240 ENC (iso8859_11),
203 &rxvt_codeset_conv_iso8859_13, 241 ENC (iso8859_13),
204 &rxvt_codeset_conv_iso8859_14, 242 ENC (iso8859_14),
205 &rxvt_codeset_conv_iso8859_15, 243 ENC (iso8859_15),
206 &rxvt_codeset_conv_iso8859_16, 244 ENC (iso8859_16),
207 245
208 &rxvt_codeset_conv_koi8_r, 246 ENC (koi8_r),
209 &rxvt_codeset_conv_koi8_u, 247 ENC (koi8_u),
210 248
211 &rxvt_codeset_conv_jis0201_1976_0, 249 ENC (jis0201_1976_0),
212 &rxvt_codeset_conv_jis0208_1983_0, 250 ENC (jis0208_1990_0),
213 &rxvt_codeset_conv_jis0212_1990_0, 251 ENC (jis0212_1990_0),
214 252
215 &rxvt_codeset_conv_jis0213_1, 253 ENC (jis0213_1),
216 &rxvt_codeset_conv_jis0213_2, 254 ENC (jis0213_2),
217 255
218 &rxvt_codeset_conv_ksc5601_1987_0, 256 ENC (ksc5601_1987_0),
219 257
220 &rxvt_codeset_conv_gb2312_1980_0, 258 ENC (gb2312_1980_0),
259 ENC (gbk_0),
221 260
222 &rxvt_codeset_conv_cns11643_1992_1, 261 ENC (cns11643_1992_1),
223 &rxvt_codeset_conv_cns11643_1992_2, 262 ENC (cns11643_1992_2),
224 &rxvt_codeset_conv_cns11643_1992_3, 263 ENC (cns11643_1992_3),
225 &rxvt_codeset_conv_cns11643_1992_4, 264 ENC (cns11643_1992_4),
226 &rxvt_codeset_conv_cns11643_1992_5, 265 ENC (cns11643_1992_5),
227 &rxvt_codeset_conv_cns11643_1992_6, 266 ENC (cns11643_1992_6),
228 &rxvt_codeset_conv_cns11643_1992_7, 267 ENC (cns11643_1992_7),
229 &rxvt_codeset_conv_cns11643_1992_f, 268 ENC (cns11643_1992_f),
230 &rxvt_codeset_conv_big5_ext, 269 ENC (big5),
231 &rxvt_codeset_conv_big5_plus, 270 ENC (big5_ext),
271 ENC (big5_plus),
232 272
233 &rxvt_codeset_conv_viscii, 273 ENC (viscii),
234 274
235 &rxvt_codeset_conv_unicode_16, 275 ENC (unicode_16),
236 &rxvt_codeset_conv_unicode 276 ENC (unicode),
237}; 277};
238 278
279#if ENABLE_COMBINING
280# define ENCODING_COMPOSE
281#endif
282
283#include "table/compose.h"
284
285unicode_t
286rxvt_compose (unicode_t c1, unicode_t c2)
287{
288 int l = 0;
289 int r = sizeof (rxvt_compose_table) / sizeof (rxvt_compose_entry) - 1;
290 int m;
291
292 while (r > l)
293 {
294 m = (l + r) / 2;
295 rxvt_compose_entry &c = rxvt_compose_table[m];
296
297 if (c.c1 < c1 || (c.c1 == c1 && c.c2 < c2))
298 l = m + 1;
299 else if (c.c1 > c1 || (c.c1 == c1 && c.c2 > c2))
300 r = m - 1;
301 else
302 return c.r;
303 }
304
305 return NOCHAR;
306}
307
308#include "table/category.h"
309
310bool unicode::is_space (unicode_t c)
311{
312 return IS_SPACE (c)
313 || c == 0x09; // exclude tabs, too, as we store them in the buffer
314}

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