1 /* Header for UCS-4 character representation.
2 Copyright (C) 1999,2000,2001 MORIOKA Tomohiko
4 This file is part of XEmacs.
6 XEmacs is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 #ifndef INCLUDED_char_ucs_h_
22 #define INCLUDED_char_ucs_h_
24 #define valid_char_p(ch) 1
26 #define CHAR_ASCII_P(ch) ((ch) <= 0x7F)
29 struct Lisp_Uint8_Byte_Table
31 struct lcrecord_header header;
33 unsigned char property[256];
35 typedef struct Lisp_Uint8_Byte_Table Lisp_Uint8_Byte_Table;
37 DECLARE_LRECORD (uint8_byte_table, Lisp_Uint8_Byte_Table);
38 #define XUINT8_BYTE_TABLE(x) \
39 XRECORD (x, uint8_byte_table, Lisp_Uint8_Byte_Table)
40 #define XSETUINT8_BYTE_TABLE(x, p) XSETRECORD (x, p, uint8_byte_table)
41 #define UINT8_BYTE_TABLE_P(x) RECORDP (x, uint8_byte_table)
42 #define GC_UINT8_BYTE_TABLE_P(x) GC_RECORDP (x, uint8_byte_table)
43 /* #define CHECK_UINT8_BYTE_TABLE(x) CHECK_RECORD (x, uint8_byte_table)
44 char table entries should never escape to Lisp */
47 struct Lisp_Uint16_Byte_Table
49 struct lcrecord_header header;
51 unsigned short property[256];
53 typedef struct Lisp_Uint16_Byte_Table Lisp_Uint16_Byte_Table;
55 DECLARE_LRECORD (uint16_byte_table, Lisp_Uint16_Byte_Table);
56 #define XUINT16_BYTE_TABLE(x) \
57 XRECORD (x, uint16_byte_table, Lisp_Uint16_Byte_Table)
58 #define XSETUINT16_BYTE_TABLE(x, p) XSETRECORD (x, p, uint16_byte_table)
59 #define UINT16_BYTE_TABLE_P(x) RECORDP (x, uint16_byte_table)
60 #define GC_UINT16_BYTE_TABLE_P(x) GC_RECORDP (x, uint16_byte_table)
61 /* #define CHECK_UINT16_BYTE_TABLE(x) CHECK_RECORD (x, uint16_byte_table)
62 char table entries should never escape to Lisp */
65 struct Lisp_Byte_Table
67 struct lcrecord_header header;
69 Lisp_Object property[256];
71 typedef struct Lisp_Byte_Table Lisp_Byte_Table;
73 DECLARE_LRECORD (byte_table, Lisp_Byte_Table);
74 #define XBYTE_TABLE(x) XRECORD (x, byte_table, Lisp_Byte_Table)
75 #define XSETBYTE_TABLE(x, p) XSETRECORD (x, p, byte_table)
76 #define BYTE_TABLE_P(x) RECORDP (x, byte_table)
77 #define GC_BYTE_TABLE_P(x) GC_RECORDP (x, byte_table)
78 /* #define CHECK_BYTE_TABLE(x) CHECK_RECORD (x, byte_table)
79 char table entries should never escape to Lisp */
82 struct Lisp_Char_ID_Table
84 struct lcrecord_header header;
88 typedef struct Lisp_Char_ID_Table Lisp_Char_ID_Table;
90 DECLARE_LRECORD (char_id_table, Lisp_Char_ID_Table);
91 #define XCHAR_ID_TABLE(x) XRECORD (x, char_id_table, Lisp_Char_ID_Table)
92 #define XSETCHAR_ID_TABLE(x, p) XSETRECORD (x, p, char_id_table)
93 #define CHAR_ID_TABLE_P(x) RECORDP (x, char_id_table)
94 #define GC_CHAR_ID_TABLE_P(x) GC_RECORDP (x, char_id_table)
95 /* #define CHECK_CHAR_ID_TABLE(x) CHECK_RECORD (x, char_id_table)
96 char table entries should never escape to Lisp */
99 Lisp_Object get_char_id_table (Emchar ch, Lisp_Object table);
102 extern Lisp_Object Vcharset_mojikyo;
103 extern Lisp_Object Vcharset_mojikyo_2022_1;
104 extern Lisp_Object Vcharset_latin_jisx0201;
107 /************************************************************************/
108 /* Definition of leading bytes */
109 /************************************************************************/
111 typedef short Charset_ID;
113 #define MIN_LEADING_BYTE -0x70
114 #define CHARSET_ID_OFFSET 0x00
117 #define LEADING_BYTE_UCS (CHARSET_ID_OFFSET - 1)
119 /* represent normal 80-9F */
120 #define LEADING_BYTE_CONTROL_1 (CHARSET_ID_OFFSET - 2)
122 /* ISO/IEC 10646 BMP */
123 #define LEADING_BYTE_UCS_BMP (CHARSET_ID_OFFSET - 3)
125 /* ISO/IEC 10646 for CNS */
126 #define LEADING_BYTE_UCS_CNS (CHARSET_ID_OFFSET - 5)
128 /* ISO/IEC 10646 for JIS */
129 #define LEADING_BYTE_UCS_JIS (CHARSET_ID_OFFSET - 6)
131 /* ISO/IEC 10646 for Big5 */
132 #define LEADING_BYTE_UCS_BIG5 (CHARSET_ID_OFFSET - 9)
134 /* Japanese JIS X0208-1990 2/4 2/{(8),9,10,11} 4/2 (B) */
135 #define LEADING_BYTE_JAPANESE_JISX0208_1990 (CHARSET_ID_OFFSET - 10)
137 /* Chinese GB 12345-1990 */
138 #define LEADING_BYTE_CHINESE_GB12345 (CHARSET_ID_OFFSET - 11)
140 #define LEADING_BYTE_CHINESE_BIG5 (CHARSET_ID_OFFSET - 20)
142 /* Big5 Level 1 2/4 2/{(8),9,10,11} 4/0 '0' */
143 #define LEADING_BYTE_CHINESE_BIG5_1 (CHARSET_ID_OFFSET - 21)
145 /* Big5 Level 2 2/4 2/{(8),9,10,11} 4/0 '1' */
146 #define LEADING_BYTE_CHINESE_BIG5_2 (CHARSET_ID_OFFSET - 22)
148 #define LEADING_BYTE_CHINESE_BIG5_CDP (CHARSET_ID_OFFSET - 23)
151 #define LEADING_BYTE_LATIN_VISCII (CHARSET_ID_OFFSET - 24)
153 /* MULE VISCII-LOWER (CHARSET_ID_OFFSET_96 + '1') */
154 #define LEADING_BYTE_LATIN_VISCII_LOWER (CHARSET_ID_OFFSET - 25)
156 /* MULE VISCII-UPPER (CHARSET_ID_OFFSET_96 + '2') */
157 #define LEADING_BYTE_LATIN_VISCII_UPPER (CHARSET_ID_OFFSET - 26)
159 #define LEADING_BYTE_ETHIOPIC_UCS (CHARSET_ID_OFFSET - 27)
161 #define LEADING_BYTE_DAIKANWA (CHARSET_ID_OFFSET - 28)
162 #define LEADING_BYTE_DAIKANWA_EKANJI (CHARSET_ID_OFFSET - 29)
164 #define LEADING_BYTE_GT (CHARSET_ID_OFFSET - 30)
165 #define LEADING_BYTE_GT_PJ_1 (CHARSET_ID_OFFSET - 31)
166 #define LEADING_BYTE_GT_PJ_2 (CHARSET_ID_OFFSET - 32)
167 #define LEADING_BYTE_GT_PJ_3 (CHARSET_ID_OFFSET - 33)
168 #define LEADING_BYTE_GT_PJ_4 (CHARSET_ID_OFFSET - 34)
169 #define LEADING_BYTE_GT_PJ_5 (CHARSET_ID_OFFSET - 35)
170 #define LEADING_BYTE_GT_PJ_6 (CHARSET_ID_OFFSET - 36)
171 #define LEADING_BYTE_GT_PJ_7 (CHARSET_ID_OFFSET - 37)
172 #define LEADING_BYTE_GT_PJ_8 (CHARSET_ID_OFFSET - 38)
173 #define LEADING_BYTE_GT_PJ_9 (CHARSET_ID_OFFSET - 39)
174 #define LEADING_BYTE_GT_PJ_10 (CHARSET_ID_OFFSET - 40)
175 #define LEADING_BYTE_GT_PJ_11 (CHARSET_ID_OFFSET - 41)
177 #define LEADING_BYTE_MOJIKYO (CHARSET_ID_OFFSET - 48)
178 #define LEADING_BYTE_MOJIKYO_2022_1 (CHARSET_ID_OFFSET - 49)
179 #define LEADING_BYTE_MOJIKYO_2022_2 (CHARSET_ID_OFFSET - 50)
181 /* Konjaku-Mojikyo font (for pseudo-JIS X 0208 encoding) */
182 #define LEADING_BYTE_MOJIKYO_PJ_1 (CHARSET_ID_OFFSET - 51)
183 #define LEADING_BYTE_MOJIKYO_PJ_2 (CHARSET_ID_OFFSET - 52)
184 #define LEADING_BYTE_MOJIKYO_PJ_3 (CHARSET_ID_OFFSET - 53)
185 #define LEADING_BYTE_MOJIKYO_PJ_4 (CHARSET_ID_OFFSET - 54)
186 #define LEADING_BYTE_MOJIKYO_PJ_5 (CHARSET_ID_OFFSET - 55)
187 #define LEADING_BYTE_MOJIKYO_PJ_6 (CHARSET_ID_OFFSET - 56)
188 #define LEADING_BYTE_MOJIKYO_PJ_7 (CHARSET_ID_OFFSET - 57)
189 #define LEADING_BYTE_MOJIKYO_PJ_8 (CHARSET_ID_OFFSET - 58)
190 #define LEADING_BYTE_MOJIKYO_PJ_9 (CHARSET_ID_OFFSET - 59)
191 #define LEADING_BYTE_MOJIKYO_PJ_10 (CHARSET_ID_OFFSET - 60)
192 #define LEADING_BYTE_MOJIKYO_PJ_11 (CHARSET_ID_OFFSET - 61)
193 #define LEADING_BYTE_MOJIKYO_PJ_12 (CHARSET_ID_OFFSET - 62)
194 #define LEADING_BYTE_MOJIKYO_PJ_13 (CHARSET_ID_OFFSET - 63)
195 #define LEADING_BYTE_MOJIKYO_PJ_14 (CHARSET_ID_OFFSET - 64)
196 #define LEADING_BYTE_MOJIKYO_PJ_15 (CHARSET_ID_OFFSET - 65)
197 #define LEADING_BYTE_MOJIKYO_PJ_16 (CHARSET_ID_OFFSET - 66)
198 #define LEADING_BYTE_MOJIKYO_PJ_17 (CHARSET_ID_OFFSET - 67)
199 #define LEADING_BYTE_MOJIKYO_PJ_18 (CHARSET_ID_OFFSET - 68)
200 #define LEADING_BYTE_MOJIKYO_PJ_19 (CHARSET_ID_OFFSET - 69)
201 #define LEADING_BYTE_MOJIKYO_PJ_20 (CHARSET_ID_OFFSET - 70)
202 #define LEADING_BYTE_MOJIKYO_PJ_21 (CHARSET_ID_OFFSET - 71)
204 #define MIN_LEADING_BYTE_PRIVATE MIN_LEADING_BYTE
205 #define MAX_LEADING_BYTE_PRIVATE (CHARSET_ID_OFFSET - 72)
208 /* #define CHARSET_ID_OFFSET_94 (CHARSET_ID_OFFSET - '0') */
210 /* #define MIN_CHARSET_ID_PRIVATE_94 (CHARSET_ID_OFFSET_94 + '0') */
211 /* #define MAX_CHARSET_ID_PRIVATE_94 (CHARSET_ID_OFFSET_94 + '?') */
214 #define LEADING_BYTE_ASCII 6 /* (CHARSET_ID_OFFSET_94 + 'B') */
216 /* Right half of JIS X0201-1976 */
217 #define LEADING_BYTE_KATAKANA_JISX0201 13 /* (CHARSET_ID_OFFSET_94 + 'I') */
219 /* Left half of JIS X0201-1976 */
220 #define LEADING_BYTE_LATIN_JISX0201 14 /* (CHARSET_ID_OFFSET_94 + 'J') */
223 /* #define CHARSET_ID_OFFSET_96 (CHARSET_ID_OFFSET_94 + 80) */
225 /* Right half of ISO 8859-1 */
226 #define LEADING_BYTE_LATIN_ISO8859_1 100 /* (CHARSET_ID_OFFSET_96 + 'A') */
228 /* Right half of ISO 8859-2 */
229 #define LEADING_BYTE_LATIN_ISO8859_2 101 /* (CHARSET_ID_OFFSET_96 + 'B') */
231 /* Right half of ISO 8859-3 */
232 #define LEADING_BYTE_LATIN_ISO8859_3 109 /* (CHARSET_ID_OFFSET_96 + 'C') */
234 /* Right half of ISO 8859-4 */
235 #define LEADING_BYTE_LATIN_ISO8859_4 110 /* (CHARSET_ID_OFFSET_96 + 'D') */
237 /* Right half of ISO 8859-7 */
238 #define LEADING_BYTE_GREEK_ISO8859_7 126 /* (CHARSET_ID_OFFSET_96 + 'F') */
240 /* Right half of ISO 8859-6 */
241 #define LEADING_BYTE_ARABIC_ISO8859_6 127 /* (CHARSET_ID_OFFSET_96 + 'G') */
243 /* Right half of ISO 8859-8 */
244 #define LEADING_BYTE_HEBREW_ISO8859_8 138 /* (CHARSET_ID_OFFSET_96 + 'H') */
246 /* Right half of ISO 8859-5 */
247 #define LEADING_BYTE_CYRILLIC_ISO8859_5 144 /* (CHARSET_ID_OFFSET_96 + 'L') */
249 /* Right half of ISO 8859-9 */
250 #define LEADING_BYTE_LATIN_ISO8859_9 148 /* (CHARSET_ID_OFFSET_96 + 'M') */
253 #define LEADING_BYTE_THAI_TIS620 166 /* (CHARSET_ID_OFFSET_96 + 'T') */
255 /* Right-hand Part of the VSCII-2 (TCVN 5712:1983) */
256 #define LEADING_BYTE_LATIN_TCVN5712 180 /* F = 5/10 0x5A `Z' */
259 /* #define CHARSET_ID_OFFSET_94x94 (CHARSET_ID_OFFSET_96 + 80) */
261 /* #define MIN_LEADING_BYTE_PRIVATE_2 ('0' + CHARSET_ID_OFFSET_94x94) */
262 /* #define MAX_LEADING_BYTE_PRIVATE_2 ('?' + CHARSET_ID_OFFSET_94x94) */
264 /* Japanese JIS X0208-1978 2/4 2/{(8),9,10,11} 4/0 (@) */
265 #define LEADING_BYTE_JAPANESE_JISX0208_1978 42
267 /* Chinese Hanzi GB2312-1980 2/4 2/{(8),9,10,11} 4/1 (A) */
268 #define LEADING_BYTE_CHINESE_GB2312 58
270 /* Japanese JIS X0208-1983 2/4 2/{(8),9,10,11} 4/2 (B) */
271 #define LEADING_BYTE_JAPANESE_JISX0208 87
273 /* Hangul KS C5601-1987 2/4 2/{8,9,10,11} 4/3 (C) */
274 #define LEADING_BYTE_KOREAN_KSC5601 149
276 /* Japanese JIS X0212-1990 2/4 2/{8,9,10,11} 4/4 (D) */
277 #define LEADING_BYTE_JAPANESE_JISX0212 159
279 /* CCITT Extended GB 2/4 2/{8,9,10,11} 4/5 (E) */
280 #define LEADING_BYTE_CHINESE_CCITT_GB 165
282 /* Chinese CNS11643 Set 1 2/4 2/{8,9,10,11} 4/7 (G) */
283 #define LEADING_BYTE_CHINESE_CNS11643_1 171
285 /* Chinese CNS11643 Set 2 2/4 2/{8,9,10,11} 4/8 (H) */
286 #define LEADING_BYTE_CHINESE_CNS11643_2 172
288 /* Chinese CNS11643 Set 3 2/4 2/{8,9,10,11} 4/9 (I) */
289 #define LEADING_BYTE_CHINESE_CNS11643_3 183
291 /* Chinese CNS11643 Set 4 2/4 2/{8,9,10,11} 4/10 (J) */
292 #define LEADING_BYTE_CHINESE_CNS11643_4 184
294 /* Chinese CNS11643 Set 5 2/4 2/{8,9,10,11} 4/11 (K) */
295 #define LEADING_BYTE_CHINESE_CNS11643_5 185
297 /* Chinese CNS11643 Set 6 2/4 2/{8,9,10,11} 4/12 (L) */
298 #define LEADING_BYTE_CHINESE_CNS11643_6 186
300 /* Chinese CNS11643 Set 7 2/4 2/{8,9,10,11} 4/13 (M) */
301 #define LEADING_BYTE_CHINESE_CNS11643_7 187
303 /* DPRK Hangul KPS 9566-1997 2/4 2/{8,9,10,11} 4/14 (N) */
304 #define LEADING_BYTE_KOREAN_KPS9566 202
307 #define NUM_LEADING_BYTES (80 * 3 - MIN_LEADING_BYTE)
310 /************************************************************************/
311 /* Information about a particular character set */
312 /************************************************************************/
316 struct lcrecord_header header;
320 Lisp_Object doc_string;
321 Lisp_Object registry;
322 Lisp_Object short_name;
323 Lisp_Object long_name;
325 Lisp_Object reverse_direction_charset;
327 Lisp_Object ccl_program;
329 /* Final byte of this character set in ISO2022 designating escape sequence */
332 /* Number of columns a character in this charset takes up, on TTY
333 devices. Not used for X devices. */
334 unsigned int columns;
336 /* Direction of this character set */
337 unsigned int direction;
339 /* Number of bytes used in encoding of this character set (1 .. 4) */
340 unsigned short dimension;
342 /* Number of chars in each dimension (94, 96, 128, 256) */
343 unsigned short chars;
345 /* Which half of font to be used to display this character set */
346 unsigned int graphic;
348 /* Code-point->character mapping table */
349 Lisp_Object decoding_table;
351 /* Character->code-point mapping table */
352 Lisp_Object encoding_table;
354 /* Range of character code */
355 Emchar ucs_min, ucs_max;
357 /* Offset for external code */
360 /* Offset for each byte */
363 typedef struct Lisp_Charset Lisp_Charset;
365 DECLARE_LRECORD (charset, Lisp_Charset);
366 #define XCHARSET(x) XRECORD (x, charset, Lisp_Charset)
367 #define XSETCHARSET(x, p) XSETRECORD (x, p, charset)
368 #define CHARSETP(x) RECORDP (x, charset)
369 #define GC_CHARSETP(x) GC_RECORDP (x, charset)
370 #define CHECK_CHARSET(x) CHECK_RECORD (x, charset)
371 #define CONCHECK_CHARSET(x) CONCHECK_RECORD (x, charset)
373 #define CHARSET_LEFT_TO_RIGHT 0
374 #define CHARSET_RIGHT_TO_LEFT 1
376 /* Leading byte and id have been regrouped. -- OG */
377 #define CHARSET_ID(cs) ((cs)->id)
378 #define CHARSET_LEADING_BYTE(cs) (CHARSET_ID(cs))
379 #define CHARSET_NAME(cs) ((cs)->name)
380 #define CHARSET_SHORT_NAME(cs) ((cs)->short_name)
381 #define CHARSET_LONG_NAME(cs) ((cs)->long_name)
382 #define CHARSET_COLUMNS(cs) ((cs)->columns)
383 #define CHARSET_GRAPHIC(cs) ((cs)->graphic)
384 #define CHARSET_DIRECTION(cs) ((cs)->direction)
385 #define CHARSET_FINAL(cs) ((cs)->final)
386 #define CHARSET_DOC_STRING(cs) ((cs)->doc_string)
387 #define CHARSET_REGISTRY(cs) ((cs)->registry)
388 #define CHARSET_CCL_PROGRAM(cs) ((cs)->ccl_program)
389 #define CHARSET_DIMENSION(cs) ((cs)->dimension)
390 #define CHARSET_CHARS(cs) ((cs)->chars)
391 #define CHARSET_REVERSE_DIRECTION_CHARSET(cs) ((cs)->reverse_direction_charset)
392 #define CHARSET_DECODING_TABLE(cs) ((cs)->decoding_table)
393 #define CHARSET_ENCODING_TABLE(cs) ((cs)->encoding_table)
394 #define CHARSET_UCS_MIN(cs) ((cs)->ucs_min)
395 #define CHARSET_UCS_MAX(cs) ((cs)->ucs_max)
396 #define CHARSET_CODE_OFFSET(cs) ((cs)->code_offset)
397 #define CHARSET_BYTE_OFFSET(cs) ((cs)->byte_offset)
400 #define XCHARSET_ID(cs) CHARSET_ID (XCHARSET (cs))
401 #define XCHARSET_NAME(cs) CHARSET_NAME (XCHARSET (cs))
402 #define XCHARSET_SHORT_NAME(cs) CHARSET_SHORT_NAME (XCHARSET (cs))
403 #define XCHARSET_LONG_NAME(cs) CHARSET_LONG_NAME (XCHARSET (cs))
404 #define XCHARSET_GRAPHIC(cs) CHARSET_GRAPHIC (XCHARSET (cs))
405 #define XCHARSET_DIRECTION(cs) CHARSET_DIRECTION (XCHARSET (cs))
406 #define XCHARSET_FINAL(cs) CHARSET_FINAL (XCHARSET (cs))
407 #define XCHARSET_DOC_STRING(cs) CHARSET_DOC_STRING (XCHARSET (cs))
408 #define XCHARSET_REGISTRY(cs) CHARSET_REGISTRY (XCHARSET (cs))
409 #define XCHARSET_LEADING_BYTE(cs) CHARSET_LEADING_BYTE (XCHARSET (cs))
410 #define XCHARSET_CCL_PROGRAM(cs) CHARSET_CCL_PROGRAM (XCHARSET (cs))
411 #define XCHARSET_DIMENSION(cs) CHARSET_DIMENSION (XCHARSET (cs))
412 #define XCHARSET_CHARS(cs) CHARSET_CHARS (XCHARSET (cs))
413 #define XCHARSET_REVERSE_DIRECTION_CHARSET(cs) \
414 CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
415 #define XCHARSET_DECODING_TABLE(cs) CHARSET_DECODING_TABLE(XCHARSET(cs))
416 #define XCHARSET_ENCODING_TABLE(cs) CHARSET_ENCODING_TABLE(XCHARSET(cs))
417 #define XCHARSET_UCS_MIN(cs) CHARSET_UCS_MIN(XCHARSET(cs))
418 #define XCHARSET_UCS_MAX(cs) CHARSET_UCS_MAX(XCHARSET(cs))
419 #define XCHARSET_CODE_OFFSET(cs) CHARSET_CODE_OFFSET(XCHARSET(cs))
420 #define XCHARSET_BYTE_OFFSET(cs) CHARSET_BYTE_OFFSET(XCHARSET(cs))
422 struct charset_lookup {
423 /* Table of charsets indexed by (leading byte - 128). */
424 Lisp_Object charset_by_leading_byte[NUM_LEADING_BYTES];
426 /* Table of charsets indexed by type/final-byte/direction. */
427 Lisp_Object charset_by_attributes[4][128];
429 Charset_ID next_allocated_leading_byte;
432 extern struct charset_lookup *chlook;
434 #ifdef ERROR_CHECK_TYPECHECK
435 /* int not Bufbyte even though that is the actual type of a leading byte.
436 This way, out-ot-range values will get caught rather than automatically
438 INLINE_HEADER Lisp_Object CHARSET_BY_LEADING_BYTE (Charset_ID lb);
439 INLINE_HEADER Lisp_Object
440 CHARSET_BY_LEADING_BYTE (Charset_ID lb)
442 assert (lb >= MIN_LEADING_BYTE &&
443 lb < (MIN_LEADING_BYTE + NUM_LEADING_BYTES));
444 return chlook->charset_by_leading_byte[lb - MIN_LEADING_BYTE];
449 #define CHARSET_BY_LEADING_BYTE(lb) \
450 (chlook->charset_by_leading_byte[(lb) - MIN_LEADING_BYTE])
454 INLINE_HEADER Lisp_Object
455 CHARSET_BY_ATTRIBUTES (int chars, int dimension, int final, int dir);
456 INLINE_HEADER Lisp_Object
457 CHARSET_BY_ATTRIBUTES (int chars, int dimension, int final, int dir)
463 else if (chars == 96)
467 type += dimension == 1 ? 0 : 2;
468 return chlook->charset_by_attributes[type][final];
472 /************************************************************************/
473 /* Dealing with characters */
474 /************************************************************************/
476 #define MAX_CHAR_BASIC_LATIN 0x007F
479 #define MIN_CHAR_HEBREW 0x0590
480 #define MAX_CHAR_HEBREW 0x05EF
483 #define MIN_CHAR_THAI 0x0E00
484 #define MAX_CHAR_THAI 0x0E5F
487 #define MIN_CHAR_HIRAGANA 0x3041
488 #define MAX_CHAR_HIRAGANA 0x3093
490 #define MIN_CHAR_KATAKANA 0x30A1
491 #define MAX_CHAR_KATAKANA 0x30F6
494 #define MIN_CHAR_HALFWIDTH_KATAKANA 0xFF61
495 #define MAX_CHAR_HALFWIDTH_KATAKANA 0xFF9F
497 #define MAX_CHAR_BMP 0x00FFFF
499 #define MIN_CHAR_DAIKANWA 0x00E00000
500 #define MAX_CHAR_DAIKANWA (MIN_CHAR_DAIKANWA + 50100) /* 0xE0FFFF */
501 #define MIN_CHAR_MOJIKYO_0 MIN_CHAR_DAIKANWA
502 #define MAX_CHAR_MOJIKYO_0 (MIN_CHAR_MOJIKYO_0 + 94 * 60 * 22)
504 #define MIN_CHAR_94 0xE90940
505 #define MAX_CHAR_94 (MIN_CHAR_94 + 94 * 80 - 1)
506 #define MIN_CHAR_96 (MIN_CHAR_94 + 94 * 80)
507 #define MAX_CHAR_96 (MIN_CHAR_96 + 96 * 80 - 1)
509 #define MIN_CHAR_94x94 0xE9F6C0
510 #define MIN_CHAR_JIS_X0208_1990 (MIN_CHAR_94x94 + 94 * 94 * 79)
511 #define MAX_CHAR_94x94 (MIN_CHAR_94x94 + 94 * 94 * 80 - 1)
512 #define MAX_CHAR_JIS_X0208_1990 MAX_CHAR_94x94
513 #define MIN_CHAR_96x96 0xF4C000
514 #define MAX_CHAR_96x96 (MIN_CHAR_96x96 + 96 * 96 * 80 - 1)
516 #define MIN_CHAR_MOJIKYO 0x60000000
517 #define MAX_CHAR_MOJIKYO (MIN_CHAR_MOJIKYO + 94 * 60 * 22)
518 #define MIN_CHAR_GT 0x61000000
519 #define MAX_CHAR_GT (MIN_CHAR_GT + 66773)
521 Emchar decode_builtin_char (Lisp_Object charset, int code_point);
524 DECODE_MOJIKYO_2022 (unsigned char b1, unsigned char b2, unsigned char b3);
526 DECODE_MOJIKYO_2022 (unsigned char b1, unsigned char b2, unsigned char b3)
530 else if (b2 < 16 + 32 + 30)
532 (b1 - 33) * (94 * 60)
533 + (b2 - (16 + 32)) * 94
536 else if (b2 < 18 + 32 + 30)
538 else if (b2 < 18 + 32 + 60)
540 (b1 - 33) * (94 * 60)
541 + (b2 - (18 + 32)) * 94
548 extern Lisp_Object Vcharset_chinese_big5;
549 extern Lisp_Object Vcharset_chinese_big5_1;
550 extern Lisp_Object Vcharset_chinese_big5_2;
552 INLINE_HEADER Emchar DECODE_CHAR (Lisp_Object charset, int code_point);
554 DECODE_CHAR (Lisp_Object charset, int code_point)
556 int dim = XCHARSET_DIMENSION (charset);
557 Lisp_Object decoding_table = XCHARSET_DECODING_TABLE (charset);
564 if ( VECTORP (decoding_table)
565 && ( 0 <= (idx = ((code_point >> (dim * 8))
566 & 255) - XCHARSET_BYTE_OFFSET (charset)) )
567 && ( idx < XVECTOR_LENGTH (decoding_table) )
568 && !NILP (ch = XVECTOR_DATA(decoding_table)[idx]) )
578 if (XCHARSET_DIMENSION (charset) == 1)
579 return decode_builtin_char (charset, code_point);
580 else if (EQ (charset, Vcharset_chinese_big5_1))
583 = ((code_point >> 8) - 33) * (0xFF - 0xA1)
584 + ((code_point & 0xFF) - 33);
585 unsigned char b1 = I / (0xFF - 0xA1 + 0x7F - 0x40) + 0xA1;
586 unsigned char b2 = I % (0xFF - 0xA1 + 0x7F - 0x40);
588 b2 += b2 < 0x3F ? 0x40 : 0x62;
589 return DECODE_CHAR (Vcharset_chinese_big5, (b1 << 8) | b2);
591 else if (EQ (charset, Vcharset_chinese_big5_2))
594 = ((code_point >> 8) - 33) * (0xFF - 0xA1)
595 + ((code_point & 0xFF) - 33);
596 unsigned char b1, b2;
598 I += (0xFF - 0xA1 + 0x7F - 0x40) * (0xC9 - 0xA1);
599 b1 = I / (0xFF - 0xA1 + 0x7F - 0x40) + 0xA1;
600 b2 = I % (0xFF - 0xA1 + 0x7F - 0x40);
601 b2 += b2 < 0x3F ? 0x40 : 0x62;
602 return DECODE_CHAR (Vcharset_chinese_big5, (b1 << 8) | b2);
604 else if (EQ (charset, Vcharset_mojikyo_2022_1))
608 ((unsigned char)(code_point >> 16),
609 (unsigned char)(code_point >> 8),
610 (unsigned char) code_point);
613 return DECODE_CHAR (Vcharset_mojikyo, m);
619 int plane = LEADING_BYTE_MOJIKYO_PJ_1 - XCHARSET_ID (charset);
621 if ( (0 <= plane) && (plane <= 21) )
623 int m = DECODE_MOJIKYO_2022 (plane + 33,
625 (unsigned char)code_point);
627 return DECODE_CHAR (Vcharset_mojikyo, m);
632 return decode_builtin_char (charset, code_point);
636 /* Return a character whose charset is CHARSET and position-codes
637 are C1 and C2. TYPE9N character ignores C2. */
639 INLINE_HEADER Emchar MAKE_CHAR (Lisp_Object charset, int c1, int c2);
641 MAKE_CHAR (Lisp_Object charset, int c1, int c2)
643 if (XCHARSET_DIMENSION (charset) == 1)
644 return DECODE_CHAR (charset, c1);
646 return DECODE_CHAR (charset, (c1 << 8) | c2);
649 extern Lisp_Object Vcharacter_attribute_table;
651 int encode_builtin_char_1 (Emchar c, Lisp_Object* charset);
652 int range_charset_code_point (Lisp_Object charset, Emchar ch);
654 INLINE_HEADER int charset_code_point (Lisp_Object charset, Emchar ch);
656 charset_code_point (Lisp_Object charset, Emchar ch)
658 Lisp_Object encoding_table = XCHARSET_ENCODING_TABLE (charset);
661 if ( CHAR_ID_TABLE_P (encoding_table)
662 && INTP (ret = get_char_id_table (ch, encoding_table)) )
665 return range_charset_code_point (charset, ch);
668 extern Lisp_Object Vdefault_coded_charset_priority_list;
669 EXFUN (Ffind_charset, 1);
671 INLINE_HEADER int encode_char_1 (Emchar ch, Lisp_Object* charset);
673 encode_char_1 (Emchar ch, Lisp_Object* charset)
675 Lisp_Object charsets = Vdefault_coded_charset_priority_list;
677 while (!NILP (charsets))
679 *charset = Ffind_charset (Fcar (charsets));
680 if (!NILP (*charset))
682 Lisp_Object encoding_table = XCHARSET_ENCODING_TABLE (*charset);
685 if ( CHAR_ID_TABLE_P (encoding_table)
686 && INTP (ret = get_char_id_table (ch, encoding_table)) )
690 int code_point = range_charset_code_point (*charset, ch);
696 charsets = Fcdr (charsets);
699 /* otherwise --- maybe for bootstrap */
700 return encode_builtin_char_1 (ch, charset);
703 #define ENCODE_CHAR(ch, charset) encode_char_1 (ch, &(charset))
706 breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2);
708 breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2)
710 int code_point = encode_char_1 (c, charset);
714 int dim = XCHARSET_DIMENSION (*charset);
721 else /* if (dim == 2) */
723 *c1 = code_point >> 8;
724 *c2 = code_point & 255;
732 #define BREAKUP_CHAR(ch, charset, b1, b2) \
733 breakup_char_1 (ch, &(charset), &(b1), &(b2))
735 INLINE_HEADER Lisp_Object CHAR_CHARSET (Emchar ch);
736 INLINE_HEADER Lisp_Object
737 CHAR_CHARSET (Emchar ch)
741 ENCODE_CHAR (ch, charset);
745 #define CHAR_CHARSET_ID(c) (XCHARSET_ID(CHAR_CHARSET(c)))
746 #define CHAR_COLUMNS(c) (CHARSET_COLUMNS(XCHARSET(CHAR_CHARSET(c))))
755 INLINE_HEADER Charc CHAR_TO_CHARC (Emchar ch);
757 CHAR_TO_CHARC (Emchar ch)
761 cc.code_point = encode_char_1 (ch, &cc.charset);
762 if (EQ (cc.charset, Vcharset_mojikyo))
764 int plane, byte1, byte2;
767 plane = cc.code_point / (94 * 60);
768 byte1 = (cc.code_point % (94 * 60)) / 94;
773 byte2 = cc.code_point % 94 + 33;
775 = CHARSET_BY_LEADING_BYTE (LEADING_BYTE_MOJIKYO_PJ_1 - plane);
776 cc.code_point = (byte1 << 8) | byte2;
782 /************************************************************************/
783 /* Exported functions */
784 /************************************************************************/
786 EXFUN (Fget_charset, 1);
788 extern Lisp_Object Vcharset_japanese_jisx0208;
789 extern Lisp_Object Vcharset_japanese_jisx0208_1990;
790 extern Lisp_Object Vcharset_japanese_jisx0212;
792 #endif /* INCLUDED_char_ucs_h_ */