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Comparing rxvt-unicode/src/encoding.C (file contents):
Revision 1.3 by pcg, Wed Mar 3 17:15:49 2004 UTC vs.
Revision 1.31 by root, Mon Feb 21 07:41:00 2011 UTC

1/*----------------------------------------------------------------------*
2 * File: encoding.C
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2006 Marc Lehmann <schmorp@schmorp.de>
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"
26#include "rxvtutil.h"
4 27
5#include <cstdlib> 28#include <cstdlib>
6#include <cstring> 29#include <cstring>
7 30
8const struct n2cs { 31static const struct n2cs {
9 const char *name; 32 const char *name;
10 codeset cs; 33 codeset cs;
11} n2cs[] = { 34} n2cs[] = {
12 /* first one found is the normalized one */ 35 /* first one found is the normalized one */
13 { "ISO88591", CS_ISO8859_1 }, 36 { "ISO88591", CS_ISO8859_1 },
… …
25 { "ISO885913", CS_ISO8859_13 }, 48 { "ISO885913", CS_ISO8859_13 },
26 { "ISO885914", CS_ISO8859_14 }, 49 { "ISO885914", CS_ISO8859_14 },
27 { "ISO885915", CS_ISO8859_15 }, 50 { "ISO885915", CS_ISO8859_15 },
28 { "FCD885915", CS_ISO8859_15 }, 51 { "FCD885915", CS_ISO8859_15 },
29 { "ISO885916", CS_ISO8859_16 }, 52 { "ISO885916", CS_ISO8859_16 },
30 53
54 { "TIS620*", CS_ISO8859_11 }, // close enough
55
31 { "ISO10646*", CS_UNICODE }, 56 { "ISO10646*", CS_UNICODE },
32 { "UNICODE", CS_UNICODE }, 57 { "UNICODE", CS_UNICODE },
33 { "UTF8", CS_UNICODE }, 58 { "UTF8", CS_UNICODE },
34 59
35 { "ASCII", CS_US_ASCII }, 60 { "ASCII", CS_US_ASCII },
36 { "USASCII", CS_US_ASCII }, 61 { "USASCII", CS_US_ASCII },
37 { "ANSIX341968", CS_US_ASCII }, 62 { "ANSIX341968", CS_US_ASCII },
38 63 { "ISO6461991IRV", CS_US_ASCII }, // older versions used the currency sign
64
39 { "KOI8R", CS_KOI8_R }, 65 { "KOI8R*", CS_KOI8_R },
40 { "GOST1976874*", CS_KOI8_R }, 66 { "GOST1976874*", CS_KOI8_R },
41 { "KOI8RU", CS_KOI8_U }, 67 { "KOI8RU", CS_KOI8_U },
42 { "KOI8U", CS_KOI8_U }, 68 { "KOI8U", CS_KOI8_U },
43 69
44 { "VISCII*", CS_VISCII }, 70 { "VISCII*", CS_VISCII },
45 { "TIS62025291", CS_VISCII }, // close enough 71
46
47 { "JISX0201*", CS_JIS0201_1976_0 }, 72 { "JISX0201*", CS_JIS0201_1976_0 },
73 { "JISC6226*", CS_JIS0208_1990_0 }, // also wrongly matches -1987-0? (check Encode::JP)
48 { "JISX0208*", CS_JIS0208_1983_0 }, // also wrongly matches -1990-0 (check Encode::JP) 74 { "JISX0208*", CS_JIS0208_1990_0 }, // also wrongly matches -1987-0? (check Encode::JP)
49 { "JISX0212*", CS_JIS0212_1990_0 }, 75 { "JISX0212*", CS_JIS0212_1990_0 },
76 { "JISX021320001", CS_JIS0213_1 },
77 { "JISX021320002", CS_JIS0213_2 },
50 { "JISX0221*", CS_UNICODE }, 78 { "JISX0221*", CS_UNICODE }, // _very_ close
51 79
52 { "KSC5601*", CS_KSC5601_1987_0 }, 80 { "KSC5601*", CS_KSC5601_1987_0 },
53 { "KSX1001*", CS_KSC5601_1987_0 }, 81 { "KSX1001*", CS_KSC5601_1987_0 },
54 { "KSC5700*", CS_UNICODE }, // unicode plus extensions 82 { "KSC5700*", CS_UNICODE }, // unicode plus extensions
55 83
56 { "BIG5P*", CS_BIG5_PLUS }, 84 { "BIG5P*", CS_BIG5_PLUS },
57 { "BIG5ETEN*", CS_BIG5_EXT }, 85 { "BIG5ETEN*", CS_BIG5_EXT },
58 { "BIG5*", CS_BIG5 }, 86 { "BIG5*", CS_BIG5 },
59 { "GB2312*", CS_GB2312_1980_0 }, 87 { "GB2312*", CS_GB2312_1980_0 },
88 { "GBK*", CS_GBK_0 },
60 { "GB6345*", CS_GB2312_1980_0 }, // slightly different to gb2312?? 89 { "GB6345*", CS_GB2312_1980_0 }, // slightly different to gb2312??
61 { "GB8565*", CS_GB2312_1980_0 }, // a superset of gb2312?? 90 { "GB8565*", CS_GB2312_1980_0 }, // a superset of gb2312??
62 { "GB13000*", CS_UNICODE }, 91 { "GB13000*", CS_UNICODE },
63 { "CNS1164319921", CS_CNS11643_1992_1 }, 92 { "CNS1164319921", CS_CNS11643_1992_1 },
64 { "CNS1164319922", CS_CNS11643_1992_2 }, 93 { "CNS1164319922", CS_CNS11643_1992_2 },
… …
111 } while ((++i)->name); 140 } while ((++i)->name);
112 141
113 return CS_UNKNOWN; 142 return CS_UNKNOWN;
114} 143}
115 144
116struct rxvt_codeset_conv_unknown : rxvt_codeset_conv { 145static unicode_t cs_unknown_to_unicode (uint32_t enc) { return NOCHAR; }
117 uint32_t to_unicode (uint32_t enc) const { return NOCHAR; }
118 uint32_t from_unicode (uint32_t unicode) const { return NOCHAR; } 146static uint32_t cs_unknown_from_unicode (unicode_t unicode) { return NOCHAR; }
119} rxvt_codeset_conv_unknown;
120 147
121struct rxvt_codeset_conv_us_ascii : rxvt_codeset_conv { 148static unicode_t cs_unicode_to_unicode (uint32_t enc) { return enc; }
149static uint32_t cs_unicode_from_unicode (unicode_t unicode) { return unicode; }
150
151#define cs_us_ascii_to_unicode cs_unicode_to_unicode
122 uint32_t from_unicode (uint32_t unicode) const { return unicode <= 127 ? unicode : NOCHAR; } 152static uint32_t cs_us_ascii_from_unicode (unicode_t unicode) { return unicode <= 127 ? unicode : NOCHAR; }
123} rxvt_codeset_conv_us_ascii;
124 153
125struct rxvt_codeset_conv_unicode : rxvt_codeset_conv { 154#define cs_us_ascii_to_unicode_16 cs_unicode_to_unicode
126 /* transparent */
127} rxvt_codeset_conv_unicode;
128
129struct rxvt_codeset_conv_unicode_16 : rxvt_codeset_conv {
130 uint32_t to_unicode (uint32_t enc) const { return enc; }
131 uint32_t from_unicode (uint32_t unicode) const { return unicode <= 65535 ? unicode : NOCHAR; } 155static uint32_t cs_unicode_16_from_unicode (unicode_t unicode) { return unicode <= 65535 ? unicode : NOCHAR; }
132} rxvt_codeset_conv_unicode_16;
133
134/* block character set, must conform to the dec special pseudofont in defaultfont.C */
135struct rxvt_codeset_conv_special : rxvt_codeset_conv {
136 uint32_t to_unicode (uint32_t enc) const {
137 return enc;
138 }
139
140 uint32_t from_unicode (uint32_t unicode) const {
141 return unicode;
142 }
143} rxvt_codeset_conv_special;
144 156
145#define ENCODING_DEFAULT 157#define ENCODING_DEFAULT
146 158
147#include "table/iso8859_1.h" 159#include "table/iso8859_1.h"
148#include "table/iso8859_15.h" 160#include "table/iso8859_15.h"
… …
168 180
169//#define ENCODING_KR 181//#define ENCODING_KR
170 182
171#include "table/ksc5601_1987_0.h" 183#include "table/ksc5601_1987_0.h"
172 184
173//#define ENCODING_CN 185//#define ENCODING_ZH
174 186
187#include "table/big5.h"
188#include "table/gbk_0.h"
175#include "table/gb2312_1980_0.h" 189#include "table/gb2312_1980_0.h"
176#include "table/big5.h"
177 190
178//#define ENCODING_CN_EXT 191//#define ENCODING_ZH_EXT
179 192
180#include "table/cns11643_1992_1.h" 193#include "table/cns11643_1992_1.h"
181#include "table/cns11643_1992_2.h" 194#include "table/cns11643_1992_2.h"
182#include "table/cns11643_1992_3.h" 195#include "table/cns11643_1992_3.h"
183#include "table/cns11643_1992_4.h" 196#include "table/cns11643_1992_4.h"
… …
193#include "table/viscii.h" 206#include "table/viscii.h"
194 207
195//#define ENCODING_JP 208//#define ENCODING_JP
196 209
197#include "table/jis0201_1976_0.h" 210#include "table/jis0201_1976_0.h"
198#include "table/jis0208_1983_0.h" 211#include "table/jis0208_1990_0.h"
199#include "table/jis0212_1990_0.h" 212#include "table/jis0212_1990_0.h"
200 213
201//#define ENCODING_JP_EXT 214//#define ENCODING_JP_EXT
202 215
203#include "table/jis0213_1.h" 216#include "table/jis0213_1.h"
204#include "table/jis0213_2.h" 217#include "table/jis0213_2.h"
205 218
219#if ENCODING_TO_UNICODE
220# define ENC(base) { cs_ ## base ## _from_unicode, cs_ ## base ## _to_unicode }
221#else
222# define ENC(base) { cs_ ## base ## _from_unicode }
223#endif
224
225
206// order must match table in encoding.h(!) 226// order must match table in encoding.h(!)
207const rxvt_codeset_conv *rxvt_codeset[NUM_CODESETS] = { 227const rxvt_codeset_conv rxvt_codeset[NUM_CODESETS] = {
208 &rxvt_codeset_conv_unknown, 228 ENC (unknown),
209 &rxvt_codeset_conv_special,
210 229
211 &rxvt_codeset_conv_us_ascii, 230 ENC (us_ascii),
212 231
213 &rxvt_codeset_conv_iso8859_1, 232 ENC (iso8859_1),
214 &rxvt_codeset_conv_iso8859_2, 233 ENC (iso8859_2),
215 &rxvt_codeset_conv_iso8859_3, 234 ENC (iso8859_3),
216 &rxvt_codeset_conv_iso8859_4, 235 ENC (iso8859_4),
217 &rxvt_codeset_conv_iso8859_5, 236 ENC (iso8859_5),
218 &rxvt_codeset_conv_iso8859_6, 237 ENC (iso8859_6),
219 &rxvt_codeset_conv_iso8859_7, 238 ENC (iso8859_7),
220 &rxvt_codeset_conv_iso8859_8, 239 ENC (iso8859_8),
221 &rxvt_codeset_conv_iso8859_9, 240 ENC (iso8859_9),
222 &rxvt_codeset_conv_iso8859_10, 241 ENC (iso8859_10),
223 &rxvt_codeset_conv_iso8859_11, 242 ENC (iso8859_11),
224 &rxvt_codeset_conv_iso8859_13, 243 ENC (iso8859_13),
225 &rxvt_codeset_conv_iso8859_14, 244 ENC (iso8859_14),
226 &rxvt_codeset_conv_iso8859_15, 245 ENC (iso8859_15),
227 &rxvt_codeset_conv_iso8859_16, 246 ENC (iso8859_16),
228 247
229 &rxvt_codeset_conv_koi8_r, 248 ENC (koi8_r),
230 &rxvt_codeset_conv_koi8_u, 249 ENC (koi8_u),
231 250
232 &rxvt_codeset_conv_jis0201_1976_0, 251 ENC (jis0201_1976_0),
233 &rxvt_codeset_conv_jis0208_1983_0, 252 ENC (jis0208_1990_0),
234 &rxvt_codeset_conv_jis0212_1990_0, 253 ENC (jis0212_1990_0),
235 254
236 &rxvt_codeset_conv_jis0213_1, 255 ENC (jis0213_1),
237 &rxvt_codeset_conv_jis0213_2, 256 ENC (jis0213_2),
238 257
239 &rxvt_codeset_conv_ksc5601_1987_0, 258 ENC (ksc5601_1987_0),
240 259
241 &rxvt_codeset_conv_gb2312_1980_0, 260 ENC (gb2312_1980_0),
261 ENC (gbk_0),
242 262
243 &rxvt_codeset_conv_cns11643_1992_1, 263 ENC (cns11643_1992_1),
244 &rxvt_codeset_conv_cns11643_1992_2, 264 ENC (cns11643_1992_2),
245 &rxvt_codeset_conv_cns11643_1992_3, 265 ENC (cns11643_1992_3),
246 &rxvt_codeset_conv_cns11643_1992_4, 266 ENC (cns11643_1992_4),
247 &rxvt_codeset_conv_cns11643_1992_5, 267 ENC (cns11643_1992_5),
248 &rxvt_codeset_conv_cns11643_1992_6, 268 ENC (cns11643_1992_6),
249 &rxvt_codeset_conv_cns11643_1992_7, 269 ENC (cns11643_1992_7),
250 &rxvt_codeset_conv_cns11643_1992_f, 270 ENC (cns11643_1992_f),
251 &rxvt_codeset_conv_big5, 271 ENC (big5),
252 &rxvt_codeset_conv_big5_ext, 272 ENC (big5_ext),
253 &rxvt_codeset_conv_big5_plus, 273 ENC (big5_plus),
254 274
255 &rxvt_codeset_conv_viscii, 275 ENC (viscii),
256 276
257 &rxvt_codeset_conv_unicode_16, 277 ENC (unicode_16),
258 &rxvt_codeset_conv_unicode 278 ENC (unicode),
259}; 279};
260 280
281#if ENABLE_COMBINING
282# define ENCODING_COMPOSE
283#endif
284
285#include "table/compose.h"
286
287unicode_t
288rxvt_compose (unicode_t c1, unicode_t c2)
289{
290 int l = 0;
291 int r = ARRAY_LENGTH(rxvt_compose_table) - 1;
292 int m;
293
294 while (r >= l)
295 {
296 m = (l + r) / 2;
297 rxvt_compose_entry &c = rxvt_compose_table[m];
298
299 if (c.c1 < c1 || (c.c1 == c1 && c.c2 < c2))
300 l = m + 1;
301 else if (c.c1 > c1 || (c.c1 == c1 && c.c2 > c2))
302 r = m - 1;
303 else
304 return c.r;
305 }
306
307 return NOCHAR;
308}
309
310#include "table/category.h"
311
312bool unicode::is_space (unicode_t c)
313{
314 return IS_SPACE (c)
315 || c == 0x09; // exclude tabs, too, as we store them in the buffer
316}

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