1 /* Header for UCS-4 character representation.
2 Copyright (C) 1999,2000,2001,2002,2003,2004 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_
27 EXFUN (Fmake_directory_internal, 1);
29 extern Lisp_Object Vchar_attribute_hash_table;
31 #define valid_char_p(ch) 1
33 #define CHAR_ASCII_P(ch) ((ch) <= 0x7F)
36 /************************************************************************/
37 /* Exported functions */
38 /************************************************************************/
40 extern Lisp_Object Vcharset_ucs;
41 extern Lisp_Object Vcharset_latin_jisx0201;
42 extern Lisp_Object Vcharset_chinese_big5;
43 extern Lisp_Object Vcharset_chinese_big5_1;
44 extern Lisp_Object Vcharset_chinese_big5_2;
45 extern Lisp_Object Vcharset_japanese_jisx0208;
46 extern Lisp_Object Vcharset_japanese_jisx0208_1990;
47 extern Lisp_Object Vcharset_japanese_jisx0212;
49 EXFUN (Fget_charset, 1);
51 extern Lisp_Object Qsystem_char_id;
52 extern Lisp_Object Qmap_ucs, Qucs;
54 Lisp_Object put_char_ccs_code_point (Lisp_Object character,
55 Lisp_Object ccs, Lisp_Object value);
56 Lisp_Object remove_char_ccs (Lisp_Object character, Lisp_Object ccs);
59 /************************************************************************/
60 /* Definition of leading bytes */
61 /************************************************************************/
63 typedef short Charset_ID;
66 #define LEADING_BYTE_UCS -177
68 /* represent normal 80-9F */
69 #define LEADING_BYTE_CONTROL_1 -77
71 /* ISO/IEC 10646 BMP */
72 #define LEADING_BYTE_UCS_BMP -176
74 #define LEADING_BYTE_SYSTEM_CHAR_ID 0
76 /* Japanese JIS X0208 Common 2/4 2/{(8),9,10,11} 4/2 (B) */
77 #define LEADING_BYTE_JIS_X0208 1
79 /* Chinese GB 12345-1990 */
80 #define LEADING_BYTE_CHINESE_GB12345 2
82 #define LEADING_BYTE_CHINESE_BIG5 3
84 /* Big5 Level 1 2/4 2/{(8),9,10,11} 4/0 '0' */
85 #define LEADING_BYTE_CHINESE_BIG5_1 4
87 /* Big5 Level 2 2/4 2/{(8),9,10,11} 4/0 '1' */
88 #define LEADING_BYTE_CHINESE_BIG5_2 5
91 #define LEADING_BYTE_LATIN_VISCII 6
93 /* MULE VISCII-LOWER (CHARSET_ID_OFFSET_96 + '1') */
94 #define LEADING_BYTE_LATIN_VISCII_LOWER 7
96 /* MULE VISCII-UPPER (CHARSET_ID_OFFSET_96 + '2') */
97 #define LEADING_BYTE_LATIN_VISCII_UPPER 8
99 #define LEADING_BYTE_ETHIOPIC_UCS 9
101 /* ISO/IEC 10646 SMP */
102 #define LEADING_BYTE_UCS_SMP 10
104 /* ISO/IEC 10646 SIP */
105 #define LEADING_BYTE_UCS_SIP 11
107 #define MIN_LEADING_BYTE_PRIVATE 12
108 #define MAX_LEADING_BYTE_PRIVATE 512
112 #define LEADING_BYTE_ASCII -6 /* (CHARSET_ID_OFFSET_94 + 'B') */
114 /* Right half of JIS X0201-1976 */
115 #define LEADING_BYTE_KATAKANA_JISX0201 -13 /* (CHARSET_ID_OFFSET_94 + 'I') */
117 /* Left half of JIS X0201-1976 */
118 #define LEADING_BYTE_LATIN_JISX0201 -14 /* (CHARSET_ID_OFFSET_94 + 'J') */
121 /* Right half of ISO 8859-1 */
122 #define LEADING_BYTE_LATIN_ISO8859_1 -100 /* (CHARSET_ID_OFFSET_96 + 'A') */
124 /* Right half of ISO 8859-2 */
125 #define LEADING_BYTE_LATIN_ISO8859_2 -101 /* (CHARSET_ID_OFFSET_96 + 'B') */
127 /* Right half of ISO 8859-3 */
128 #define LEADING_BYTE_LATIN_ISO8859_3 -109 /* (CHARSET_ID_OFFSET_96 + 'C') */
130 /* Right half of ISO 8859-4 */
131 #define LEADING_BYTE_LATIN_ISO8859_4 -110 /* (CHARSET_ID_OFFSET_96 + 'D') */
133 /* Right half of ISO 8859-7 */
134 #define LEADING_BYTE_GREEK_ISO8859_7 -126 /* (CHARSET_ID_OFFSET_96 + 'F') */
136 /* Right half of ISO 8859-6 */
137 #define LEADING_BYTE_ARABIC_ISO8859_6 -127 /* (CHARSET_ID_OFFSET_96 + 'G') */
139 /* Right half of ISO 8859-8 */
140 #define LEADING_BYTE_HEBREW_ISO8859_8 -138 /* (CHARSET_ID_OFFSET_96 + 'H') */
142 /* Right half of ISO 8859-5 */
143 #define LEADING_BYTE_CYRILLIC_ISO8859_5 -144 /* (CHARSET_ID_OFFSET_96 + 'L') */
145 /* Right half of ISO 8859-9 */
146 #define LEADING_BYTE_LATIN_ISO8859_9 -148 /* (CHARSET_ID_OFFSET_96 + 'M') */
149 #define LEADING_BYTE_THAI_TIS620 -166 /* (CHARSET_ID_OFFSET_96 + 'T') */
151 /* Right-hand Part of the VSCII-2 (TCVN 5712:1983) */
152 #define LEADING_BYTE_LATIN_TCVN5712 -180 /* F = 5/10 0x5A `Z' */
155 /* Japanese JIS X0208-1978 2/4 2/{(8),9,10,11} 4/0 (@) */
156 #define LEADING_BYTE_JAPANESE_JISX0208_1978 -42
158 /* Chinese Hanzi GB2312-1980 2/4 2/{(8),9,10,11} 4/1 (A) */
159 #define LEADING_BYTE_CHINESE_GB2312 -58
161 /* Japanese JIS X0208-1983 2/4 2/{(8),9,10,11} 4/2 (B) */
162 #define LEADING_BYTE_JAPANESE_JISX0208 -87
164 /* Japanese JIS X0208-1990 2/4 2/{(8),9,10,11} 4/2 (B) */
165 #define LEADING_BYTE_JAPANESE_JISX0208_1990 -168
167 /* Hangul KS C5601-1987 2/4 2/{8,9,10,11} 4/3 (C) */
168 #define LEADING_BYTE_KOREAN_KSC5601 -149
170 /* Japanese JIS X0212-1990 2/4 2/{8,9,10,11} 4/4 (D) */
171 #define LEADING_BYTE_JAPANESE_JISX0212 -159
173 /* CCITT Extended GB 2/4 2/{8,9,10,11} 4/5 (E) */
174 #define LEADING_BYTE_CHINESE_CCITT_GB -165
176 /* Chinese CNS11643 Set 1 2/4 2/{8,9,10,11} 4/7 (G) */
177 #define LEADING_BYTE_CHINESE_CNS11643_1 -171
179 /* Chinese CNS11643 Set 2 2/4 2/{8,9,10,11} 4/8 (H) */
180 #define LEADING_BYTE_CHINESE_CNS11643_2 -172
182 /* Chinese CNS11643 Set 3 2/4 2/{8,9,10,11} 4/9 (I) */
183 #define LEADING_BYTE_CHINESE_CNS11643_3 -183
185 /* Chinese CNS11643 Set 4 2/4 2/{8,9,10,11} 4/10 (J) */
186 #define LEADING_BYTE_CHINESE_CNS11643_4 -184
188 /* Chinese CNS11643 Set 5 2/4 2/{8,9,10,11} 4/11 (K) */
189 #define LEADING_BYTE_CHINESE_CNS11643_5 -185
191 /* Chinese CNS11643 Set 6 2/4 2/{8,9,10,11} 4/12 (L) */
192 #define LEADING_BYTE_CHINESE_CNS11643_6 -186
194 /* Chinese CNS11643 Set 7 2/4 2/{8,9,10,11} 4/13 (M) */
195 #define LEADING_BYTE_CHINESE_CNS11643_7 -187
197 /* DPRK Hangul KPS 9566-1997 2/4 2/{8,9,10,11} 4/14 (N) */
198 #define LEADING_BYTE_KOREAN_KPS9566 -202
201 #define MIN_LEADING_BYTE (- 80 * 3)
203 #define NUM_LEADING_BYTES (MAX_LEADING_BYTE_PRIVATE - MIN_LEADING_BYTE)
206 /************************************************************************/
207 /* Information about a particular character set */
208 /************************************************************************/
212 struct lcrecord_header header;
216 Lisp_Object doc_string;
217 Lisp_Object registry;
218 Lisp_Object short_name;
219 Lisp_Object long_name;
221 Lisp_Object reverse_direction_charset;
223 Lisp_Object ccl_program;
225 /* Final byte of this character set in ISO2022 designating escape sequence */
228 /* Number of columns a character in this charset takes up, on TTY
229 devices. Not used for X devices. */
230 unsigned int columns;
232 /* Direction of this character set */
233 unsigned int direction;
235 /* Number of bytes used in encoding of this character set (1 .. 4) */
236 unsigned short dimension;
238 /* Number of chars in each dimension (94, 96, 128, 256) */
239 unsigned short chars;
241 /* Which half of font to be used to display this character set */
242 unsigned int graphic;
244 /* Code-point->character mapping table */
245 Lisp_Object decoding_table;
250 /* Range of character code */
251 int min_code, max_code;
253 /* Offset for external code */
256 /* Type of conversion from mother CCS */
257 unsigned char conversion;
259 /* Offset for each byte */
262 typedef struct Lisp_Charset Lisp_Charset;
264 DECLARE_LRECORD (charset, Lisp_Charset);
265 #define XCHARSET(x) XRECORD (x, charset, Lisp_Charset)
266 #define XSETCHARSET(x, p) XSETRECORD (x, p, charset)
267 #define CHARSETP(x) RECORDP (x, charset)
268 #define CHECK_CHARSET(x) CHECK_RECORD (x, charset)
269 #define CONCHECK_CHARSET(x) CONCHECK_RECORD (x, charset)
271 #define CHARSET_LEFT_TO_RIGHT 0
272 #define CHARSET_RIGHT_TO_LEFT 1
274 /* Leading byte and id have been regrouped. -- OG */
275 #define CHARSET_ID(cs) ((cs)->id)
276 #define CHARSET_LEADING_BYTE(cs) (CHARSET_ID(cs))
277 #define CHARSET_NAME(cs) ((cs)->name)
278 #define CHARSET_SHORT_NAME(cs) ((cs)->short_name)
279 #define CHARSET_LONG_NAME(cs) ((cs)->long_name)
280 #define CHARSET_COLUMNS(cs) ((cs)->columns)
281 #define CHARSET_GRAPHIC(cs) ((cs)->graphic)
282 #define CHARSET_DIRECTION(cs) ((cs)->direction)
283 #define CHARSET_FINAL(cs) ((cs)->final)
284 #define CHARSET_DOC_STRING(cs) ((cs)->doc_string)
285 #define CHARSET_REGISTRY(cs) ((cs)->registry)
286 #define CHARSET_CCL_PROGRAM(cs) ((cs)->ccl_program)
287 #define CHARSET_DIMENSION(cs) ((cs)->dimension)
288 #define CHARSET_CHARS(cs) ((cs)->chars)
289 #define CHARSET_REVERSE_DIRECTION_CHARSET(cs) ((cs)->reverse_direction_charset)
290 #define CHARSET_DECODING_TABLE(cs) ((cs)->decoding_table)
291 #define CHARSET_MIN_CODE(cs) ((cs)->min_code)
292 #define CHARSET_MAX_CODE(cs) ((cs)->max_code)
293 #define CHARSET_CODE_OFFSET(cs) ((cs)->code_offset)
294 #define CHARSET_BYTE_OFFSET(cs) ((cs)->byte_offset)
295 #define CHARSET_MOTHER(cs) ((cs)->mother)
296 #define CHARSET_CONVERSION(cs) ((cs)->conversion)
298 INLINE_HEADER int CHARSET_BYTE_SIZE (Lisp_Charset* cs);
300 CHARSET_BYTE_SIZE (Lisp_Charset* cs)
302 /* ad-hoc method for `ascii' */
303 if ((CHARSET_CHARS (cs) == 94) &&
304 (CHARSET_BYTE_OFFSET (cs) != 33))
305 return 128 - CHARSET_BYTE_OFFSET (cs);
307 return CHARSET_CHARS (cs);
310 INLINE_HEADER Lisp_Object CHARSET_ENCODING_TABLE (Lisp_Charset* cs);
311 INLINE_HEADER Lisp_Object
312 CHARSET_ENCODING_TABLE (Lisp_Charset* cs)
314 return Fgethash (CHARSET_NAME(cs),
315 Vchar_attribute_hash_table,
319 #define CONVERSION_IDENTICAL 0
320 #define CONVERSION_94 1
321 #define CONVERSION_96 2
322 #define CONVERSION_94x94 3
323 #define CONVERSION_96x96 4
324 #define CONVERSION_94x94x94 5
325 #define CONVERSION_96x96x96 6
326 #define CONVERSION_94x94x94x94 7
327 #define CONVERSION_96x96x96x96 8
328 #define CONVERSION_94x60 9
329 #define CONVERSION_94x94x60 10
330 #define CONVERSION_94x94x94x60 11
331 #define CONVERSION_BIG5_1 12
332 #define CONVERSION_BIG5_2 13
334 #define XCHARSET_ID(cs) CHARSET_ID (XCHARSET (cs))
335 #define XCHARSET_NAME(cs) CHARSET_NAME (XCHARSET (cs))
336 #define XCHARSET_SHORT_NAME(cs) CHARSET_SHORT_NAME (XCHARSET (cs))
337 #define XCHARSET_LONG_NAME(cs) CHARSET_LONG_NAME (XCHARSET (cs))
338 #define XCHARSET_GRAPHIC(cs) CHARSET_GRAPHIC (XCHARSET (cs))
339 #define XCHARSET_DIRECTION(cs) CHARSET_DIRECTION (XCHARSET (cs))
340 #define XCHARSET_FINAL(cs) CHARSET_FINAL (XCHARSET (cs))
341 #define XCHARSET_DOC_STRING(cs) CHARSET_DOC_STRING (XCHARSET (cs))
342 #define XCHARSET_REGISTRY(cs) CHARSET_REGISTRY (XCHARSET (cs))
343 #define XCHARSET_LEADING_BYTE(cs) CHARSET_LEADING_BYTE (XCHARSET (cs))
344 #define XCHARSET_CCL_PROGRAM(cs) CHARSET_CCL_PROGRAM (XCHARSET (cs))
345 #define XCHARSET_DIMENSION(cs) CHARSET_DIMENSION (XCHARSET (cs))
346 #define XCHARSET_CHARS(cs) CHARSET_CHARS (XCHARSET (cs))
347 #define XCHARSET_BYTE_SIZE(cs) CHARSET_BYTE_SIZE (XCHARSET (cs))
348 #define XCHARSET_REVERSE_DIRECTION_CHARSET(cs) \
349 CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
350 #define XCHARSET_DECODING_TABLE(cs) CHARSET_DECODING_TABLE(XCHARSET(cs))
351 #define XCHARSET_ENCODING_TABLE(cs) CHARSET_ENCODING_TABLE(XCHARSET(cs))
352 #define XCHARSET_MIN_CODE(cs) CHARSET_MIN_CODE(XCHARSET(cs))
353 #define XCHARSET_MAX_CODE(cs) CHARSET_MAX_CODE(XCHARSET(cs))
354 #define XCHARSET_CODE_OFFSET(cs) CHARSET_CODE_OFFSET(XCHARSET(cs))
355 #define XCHARSET_BYTE_OFFSET(cs) CHARSET_BYTE_OFFSET(XCHARSET(cs))
356 #define XCHARSET_MOTHER(cs) CHARSET_MOTHER(XCHARSET(cs))
357 #define XCHARSET_CONVERSION(cs) CHARSET_CONVERSION(XCHARSET(cs))
359 struct charset_lookup {
360 /* Table of charsets indexed by (leading byte - 128). */
361 Lisp_Object charset_by_leading_byte[NUM_LEADING_BYTES];
363 /* Table of charsets indexed by type/final-byte/direction. */
364 Lisp_Object charset_by_attributes[4][128];
366 Charset_ID next_allocated_leading_byte;
369 extern struct charset_lookup *chlook;
371 #ifdef ERROR_CHECK_TYPECHECK
372 /* int not Bufbyte even though that is the actual type of a leading byte.
373 This way, out-ot-range values will get caught rather than automatically
375 INLINE_HEADER Lisp_Object CHARSET_BY_LEADING_BYTE (Charset_ID lb);
376 INLINE_HEADER Lisp_Object
377 CHARSET_BY_LEADING_BYTE (Charset_ID lb)
379 assert (lb >= MIN_LEADING_BYTE &&
380 lb < (MIN_LEADING_BYTE + NUM_LEADING_BYTES));
381 return chlook->charset_by_leading_byte[lb - MIN_LEADING_BYTE];
386 #define CHARSET_BY_LEADING_BYTE(lb) \
387 (chlook->charset_by_leading_byte[(lb) - MIN_LEADING_BYTE])
391 INLINE_HEADER Lisp_Object
392 CHARSET_BY_ATTRIBUTES (int chars, int dimension, int final, int dir);
393 INLINE_HEADER Lisp_Object
394 CHARSET_BY_ATTRIBUTES (int chars, int dimension, int final, int dir)
400 else if (chars == 96)
404 type += dimension == 1 ? 0 : 2;
405 return chlook->charset_by_attributes[type][final];
409 /************************************************************************/
410 /* Dealing with characters */
411 /************************************************************************/
413 #define MAX_CHAR_BASIC_LATIN 0x007F
416 #define MIN_CHAR_HEBREW 0x0590
417 #define MAX_CHAR_HEBREW 0x05EF
420 #define MIN_CHAR_THAI 0x0E00
421 #define MAX_CHAR_THAI 0x0E5F
424 #define MIN_CHAR_HIRAGANA 0x3041
425 #define MAX_CHAR_HIRAGANA 0x3093
427 #define MIN_CHAR_KATAKANA 0x30A1
428 #define MAX_CHAR_KATAKANA 0x30F6
431 #define MIN_CHAR_HALFWIDTH_KATAKANA 0xFF61
432 #define MAX_CHAR_HALFWIDTH_KATAKANA 0xFF9F
434 #define MAX_CHAR_BMP 0x00FFFF
436 #define MIN_CHAR_SMP 0x010000
437 #define MAX_CHAR_SMP 0x01FFFF
439 #define MIN_CHAR_SIP 0x020000
440 #define MAX_CHAR_SIP 0x02FFFF
443 #define MIN_CHAR_DAIKANWA 0x00E00000
444 #define MAX_CHAR_DAIKANWA (MIN_CHAR_DAIKANWA + 50100) /* 0xE0FFFF */
446 #define MIN_CHAR_CBETA 0x00E20000
447 #define MAX_CHAR_CBETA 0x00E2FFFF
449 #define MIN_CHAR_CHINA3_JEF 0x00E80000
450 #define MAX_CHAR_CHINA3_JEF 0x00E8FFFF
453 #define MIN_CHAR_94 0x00E90940
454 #define MAX_CHAR_94 (MIN_CHAR_94 + 94 * 80 - 1)
455 #define MIN_CHAR_96 (MIN_CHAR_94 + 94 * 80)
456 #define MAX_CHAR_96 (MIN_CHAR_96 + 96 * 80 - 1)
458 #define MIN_CHAR_94x94 0xE9F6C0
459 #define MIN_CHAR_JIS_X0208_1990 (MIN_CHAR_94x94 + 94 * 94 * 79)
460 #define MAX_CHAR_94x94 (MIN_CHAR_94x94 + 94 * 94 * 80 - 1)
461 #define MAX_CHAR_JIS_X0208_1990 MAX_CHAR_94x94
462 #define MIN_CHAR_96x96 0xF4C000
463 #define MAX_CHAR_96x96 (MIN_CHAR_96x96 + 96 * 96 * 80 - 1)
466 #define MIN_CHAR_GT 0x61000000
467 #define MAX_CHAR_GT (MIN_CHAR_GT + 67547)
469 #define MIN_CHAR_BIG5_CDP 0x62000000
470 #define MAX_CHAR_BIG5_CDP 0x6200FFFF
472 #define MIN_CHAR_HANZIKU_1 (0x62000000 + 65536 * 1)
473 #define MAX_CHAR_HANZIKU_1 (0x62000000 + 65536 * 1 + 65535)
474 #define MIN_CHAR_HANZIKU_2 (0x62000000 + 65536 * 2)
475 #define MAX_CHAR_HANZIKU_2 (0x62000000 + 65536 * 2 + 65535)
476 #define MIN_CHAR_HANZIKU_3 (0x62000000 + 65536 * 3)
477 #define MAX_CHAR_HANZIKU_3 (0x62000000 + 65536 * 3 + 65535)
478 #define MIN_CHAR_HANZIKU_4 (0x62000000 + 65536 * 4)
479 #define MAX_CHAR_HANZIKU_4 (0x62000000 + 65536 * 4 + 65535)
480 #define MIN_CHAR_HANZIKU_5 (0x62000000 + 65536 * 5)
481 #define MAX_CHAR_HANZIKU_5 (0x62000000 + 65536 * 5 + 65535)
482 #define MIN_CHAR_HANZIKU_6 (0x62000000 + 65536 * 6)
483 #define MAX_CHAR_HANZIKU_6 (0x62000000 + 65536 * 6 + 65535)
484 #define MIN_CHAR_HANZIKU_7 (0x62000000 + 65536 * 7)
485 #define MAX_CHAR_HANZIKU_7 (0x62000000 + 65536 * 7 + 65535)
486 #define MIN_CHAR_HANZIKU_8 (0x62000000 + 65536 * 8)
487 #define MAX_CHAR_HANZIKU_8 (0x62000000 + 65536 * 8 + 65535)
488 #define MIN_CHAR_HANZIKU_9 (0x62000000 + 65536 * 9)
489 #define MAX_CHAR_HANZIKU_9 (0x62000000 + 65536 * 9 + 65535)
490 #define MIN_CHAR_HANZIKU_10 (0x62000000 + 65536 * 10)
491 #define MAX_CHAR_HANZIKU_10 (0x62000000 + 65536 * 10 + 65535)
492 #define MIN_CHAR_HANZIKU_11 (0x62000000 + 65536 * 11)
493 #define MAX_CHAR_HANZIKU_11 (0x62000000 + 65536 * 11 + 65535)
494 #define MIN_CHAR_HANZIKU_12 (0x62000000 + 65536 * 12)
495 #define MAX_CHAR_HANZIKU_12 (0x62000000 + 65536 * 12 + 65535)
498 Emchar decode_builtin_char (Lisp_Object charset, int code_point);
500 INLINE_HEADER Lisp_Object
501 get_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code);
502 INLINE_HEADER Lisp_Object
503 get_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code)
505 int byte_offset = XCHARSET_BYTE_OFFSET (ccs);
509 int idx = code - byte_offset;
511 if (idx < XVECTOR_LENGTH(table))
512 return XVECTOR_DATA(table)[idx];
520 INLINE_HEADER Lisp_Object
521 put_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code,
523 INLINE_HEADER Lisp_Object
524 put_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code,
527 int byte_offset = XCHARSET_BYTE_OFFSET (ccs);
528 int ccs_len = XCHARSET_BYTE_SIZE (ccs);
532 XVECTOR_DATA(table)[code - byte_offset] = value;
535 else if (EQ (table, value))
539 table = make_vector (ccs_len, table);
540 XVECTOR_DATA(table)[code - byte_offset] = value;
546 decoding_table_put_char (Lisp_Object ccs,
547 int code_point, Lisp_Object character);
549 decoding_table_put_char (Lisp_Object ccs,
550 int code_point, Lisp_Object character)
553 Lisp_Object table1 = XCHARSET_DECODING_TABLE (ccs);
554 int dim = XCHARSET_DIMENSION (ccs);
557 XCHARSET_DECODING_TABLE (ccs)
558 = put_ccs_octet_table (table1, ccs, code_point, character);
562 = get_ccs_octet_table (table1, ccs, (unsigned char)(code_point >> 8));
564 table2 = put_ccs_octet_table (table2, ccs,
565 (unsigned char)code_point, character);
566 XCHARSET_DECODING_TABLE (ccs)
567 = put_ccs_octet_table (table1, ccs,
568 (unsigned char)(code_point >> 8), table2);
573 = get_ccs_octet_table (table1, ccs, (unsigned char)(code_point >> 16));
575 = get_ccs_octet_table (table2, ccs, (unsigned char)(code_point >> 8));
577 table3 = put_ccs_octet_table (table3, ccs,
578 (unsigned char)code_point, character);
579 table2 = put_ccs_octet_table (table2, ccs,
580 (unsigned char)(code_point >> 8), table3);
581 XCHARSET_DECODING_TABLE (ccs)
582 = put_ccs_octet_table (table1, ccs,
583 (unsigned char)(code_point >> 16), table2);
585 else /* if (dim == 4) */
588 = get_ccs_octet_table (table1, ccs, (unsigned char)(code_point >> 24));
590 = get_ccs_octet_table (table2, ccs, (unsigned char)(code_point >> 16));
592 = get_ccs_octet_table (table3, ccs, (unsigned char)(code_point >> 8));
594 table4 = put_ccs_octet_table (table4, ccs,
595 (unsigned char)code_point, character);
596 table3 = put_ccs_octet_table (table3, ccs,
597 (unsigned char)(code_point >> 8), table4);
598 table2 = put_ccs_octet_table (table2, ccs,
599 (unsigned char)(code_point >> 16), table3);
600 XCHARSET_DECODING_TABLE (ccs)
601 = put_ccs_octet_table (table1, ccs,
602 (unsigned char)(code_point >> 24), table2);
605 Lisp_Object v = XCHARSET_DECODING_TABLE (ccs);
606 int dim = XCHARSET_DIMENSION (ccs);
607 int byte_offset = XCHARSET_BYTE_OFFSET (ccs);
610 int ccs_len = XVECTOR_LENGTH (v);
615 i = ((code_point >> (8 * dim)) & 255) - byte_offset;
616 nv = XVECTOR_DATA(v)[i];
621 if (EQ (nv, character))
624 nv = (XVECTOR_DATA(v)[i] = make_vector (ccs_len, Qnil));
631 XVECTOR_DATA(v)[i] = character;
636 decoding_table_remove_char (Lisp_Object ccs, int code_point);
638 decoding_table_remove_char (Lisp_Object ccs, int code_point)
640 decoding_table_put_char (ccs, code_point, Qunbound);
644 Emchar load_char_decoding_entry_maybe (Lisp_Object ccs, int code_point);
647 Emchar decode_defined_char (Lisp_Object charset, int code_point,
648 int without_inheritance);
651 DECODE_CHAR (Lisp_Object charset, int code_point, int without_inheritance);
653 DECODE_CHAR (Lisp_Object charset, int code_point, int without_inheritance)
656 = decode_defined_char (charset, code_point, without_inheritance);
661 return decode_builtin_char (charset, code_point);
664 /* Return a character whose charset is CHARSET and position-codes
665 are C1 and C2. TYPE9N character ignores C2. */
667 INLINE_HEADER Emchar MAKE_CHAR (Lisp_Object charset, int c1, int c2);
669 MAKE_CHAR (Lisp_Object charset, int c1, int c2)
671 if (XCHARSET_DIMENSION (charset) == 1)
672 return DECODE_CHAR (charset, c1, 0);
674 return DECODE_CHAR (charset, (c1 << 8) | c2, 0);
677 extern Lisp_Object Vcharacter_attribute_table;
679 int encode_builtin_char_1 (Emchar c, Lisp_Object* charset);
680 int charset_code_point (Lisp_Object charset, Emchar ch, int defined_only);
681 int range_charset_code_point (Lisp_Object charset, Emchar ch);
683 extern Lisp_Object Vdefault_coded_charset_priority_list;
684 EXFUN (Ffind_charset, 1);
686 INLINE_HEADER int encode_char_1 (Emchar ch, Lisp_Object* charset);
688 encode_char_1 (Emchar ch, Lisp_Object* charset)
690 Lisp_Object charsets = Vdefault_coded_charset_priority_list;
692 while (!NILP (charsets))
694 *charset = Ffind_charset (Fcar (charsets));
695 if (!NILP (*charset))
697 int code_point = charset_code_point (*charset, ch, 0);
702 charsets = Fcdr (charsets);
705 /* otherwise --- maybe for bootstrap */
706 return encode_builtin_char_1 (ch, charset);
709 INLINE_HEADER int encode_char_2 (Emchar ch, Lisp_Object* charset);
711 encode_char_2 (Emchar ch, Lisp_Object* charset)
713 Lisp_Object charsets = Vdefault_coded_charset_priority_list;
715 while (!NILP (charsets))
717 *charset = Ffind_charset (Fcar (charsets));
718 if ( !NILP (*charset)
719 && (XCHARSET_DIMENSION (*charset) <= 2) )
721 int code_point = charset_code_point (*charset, ch, 0);
726 charsets = Fcdr (charsets);
729 /* otherwise --- maybe for bootstrap */
730 return encode_builtin_char_1 (ch, charset);
733 #define ENCODE_CHAR(ch, charset) encode_char_1 (ch, &(charset))
736 breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2);
738 breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2)
740 int code_point = encode_char_1 (c, charset);
744 int dim = XCHARSET_DIMENSION (*charset);
751 else /* if (dim == 2) */
753 *c1 = code_point >> 8;
754 *c2 = code_point & 255;
762 #define BREAKUP_CHAR(ch, charset, b1, b2) \
763 breakup_char_1 (ch, &(charset), &(b1), &(b2))
765 INLINE_HEADER Lisp_Object CHAR_CHARSET (Emchar ch);
766 INLINE_HEADER Lisp_Object
767 CHAR_CHARSET (Emchar ch)
771 ENCODE_CHAR (ch, charset);
775 #define CHAR_CHARSET_ID(c) (XCHARSET_ID(CHAR_CHARSET(c)))
776 #define CHAR_COLUMNS(c) (CHARSET_COLUMNS(XCHARSET(CHAR_CHARSET(c))))
785 INLINE_HEADER Charc CHAR_TO_CHARC (Emchar ch);
787 CHAR_TO_CHARC (Emchar ch)
791 cc.code_point = encode_char_2 (ch, &cc.charset);
795 #endif /* INCLUDED_char_ucs_h_ */