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;
53 extern Lisp_Object Q_subsumptive, Q_denotational;
55 Lisp_Object put_char_ccs_code_point (Lisp_Object character,
56 Lisp_Object ccs, Lisp_Object value);
57 Lisp_Object remove_char_ccs (Lisp_Object character, Lisp_Object ccs);
60 /************************************************************************/
61 /* Definition of leading bytes */
62 /************************************************************************/
64 typedef short Charset_ID;
67 #define LEADING_BYTE_UCS -177
69 /* represent normal 80-9F */
70 #define LEADING_BYTE_CONTROL_1 -77
72 /* ISO/IEC 10646 BMP */
73 #define LEADING_BYTE_UCS_BMP -176
75 #define LEADING_BYTE_SYSTEM_CHAR_ID 0
77 /* Japanese JIS X0208 Common 2/4 2/{(8),9,10,11} 4/2 (B) */
78 #define LEADING_BYTE_JIS_X0208 1
80 /* Chinese GB 12345-1990 */
81 #define LEADING_BYTE_CHINESE_GB12345 2
83 #define LEADING_BYTE_CHINESE_BIG5 3
85 /* Big5 Level 1 2/4 2/{(8),9,10,11} 4/0 '0' */
86 #define LEADING_BYTE_CHINESE_BIG5_1 4
88 /* Big5 Level 2 2/4 2/{(8),9,10,11} 4/0 '1' */
89 #define LEADING_BYTE_CHINESE_BIG5_2 5
92 #define LEADING_BYTE_LATIN_VISCII 6
94 /* MULE VISCII-LOWER (CHARSET_ID_OFFSET_96 + '1') */
95 #define LEADING_BYTE_LATIN_VISCII_LOWER 7
97 /* MULE VISCII-UPPER (CHARSET_ID_OFFSET_96 + '2') */
98 #define LEADING_BYTE_LATIN_VISCII_UPPER 8
100 #define LEADING_BYTE_ETHIOPIC_UCS 9
102 /* ISO/IEC 10646 SMP */
103 #define LEADING_BYTE_UCS_SMP 10
105 /* ISO/IEC 10646 SIP */
106 #define LEADING_BYTE_UCS_SIP 11
108 #define MIN_LEADING_BYTE_PRIVATE 12
109 #define MAX_LEADING_BYTE_PRIVATE 512
113 #define LEADING_BYTE_ASCII -6 /* (CHARSET_ID_OFFSET_94 + 'B') */
115 /* Right half of JIS X0201-1976 */
116 #define LEADING_BYTE_KATAKANA_JISX0201 -13 /* (CHARSET_ID_OFFSET_94 + 'I') */
118 /* Left half of JIS X0201-1976 */
119 #define LEADING_BYTE_LATIN_JISX0201 -14 /* (CHARSET_ID_OFFSET_94 + 'J') */
122 /* Right half of ISO 8859-1 */
123 #define LEADING_BYTE_LATIN_ISO8859_1 -100 /* (CHARSET_ID_OFFSET_96 + 'A') */
125 /* Right half of ISO 8859-2 */
126 #define LEADING_BYTE_LATIN_ISO8859_2 -101 /* (CHARSET_ID_OFFSET_96 + 'B') */
128 /* Right half of ISO 8859-3 */
129 #define LEADING_BYTE_LATIN_ISO8859_3 -109 /* (CHARSET_ID_OFFSET_96 + 'C') */
131 /* Right half of ISO 8859-4 */
132 #define LEADING_BYTE_LATIN_ISO8859_4 -110 /* (CHARSET_ID_OFFSET_96 + 'D') */
134 /* Right half of ISO 8859-7 */
135 #define LEADING_BYTE_GREEK_ISO8859_7 -126 /* (CHARSET_ID_OFFSET_96 + 'F') */
137 /* Right half of ISO 8859-6 */
138 #define LEADING_BYTE_ARABIC_ISO8859_6 -127 /* (CHARSET_ID_OFFSET_96 + 'G') */
140 /* Right half of ISO 8859-8 */
141 #define LEADING_BYTE_HEBREW_ISO8859_8 -138 /* (CHARSET_ID_OFFSET_96 + 'H') */
143 /* Right half of ISO 8859-5 */
144 #define LEADING_BYTE_CYRILLIC_ISO8859_5 -144 /* (CHARSET_ID_OFFSET_96 + 'L') */
146 /* Right half of ISO 8859-9 */
147 #define LEADING_BYTE_LATIN_ISO8859_9 -148 /* (CHARSET_ID_OFFSET_96 + 'M') */
150 #define LEADING_BYTE_THAI_TIS620 -166 /* (CHARSET_ID_OFFSET_96 + 'T') */
152 /* Right-hand Part of the VSCII-2 (TCVN 5712:1983) */
153 #define LEADING_BYTE_LATIN_TCVN5712 -180 /* F = 5/10 0x5A `Z' */
156 /* Japanese JIS X0208-1978 2/4 2/{(8),9,10,11} 4/0 (@) */
157 #define LEADING_BYTE_JAPANESE_JISX0208_1978 -42
159 /* Chinese Hanzi GB2312-1980 2/4 2/{(8),9,10,11} 4/1 (A) */
160 #define LEADING_BYTE_CHINESE_GB2312 -58
162 /* Japanese JIS X0208-1983 2/4 2/{(8),9,10,11} 4/2 (B) */
163 #define LEADING_BYTE_JAPANESE_JISX0208 -87
165 /* Japanese JIS X0208-1990 2/4 2/{(8),9,10,11} 4/2 (B) */
166 #define LEADING_BYTE_JAPANESE_JISX0208_1990 -168
168 /* Hangul KS C5601-1987 2/4 2/{8,9,10,11} 4/3 (C) */
169 #define LEADING_BYTE_KOREAN_KSC5601 -149
171 /* Japanese JIS X0212-1990 2/4 2/{8,9,10,11} 4/4 (D) */
172 #define LEADING_BYTE_JAPANESE_JISX0212 -159
174 /* CCITT Extended GB 2/4 2/{8,9,10,11} 4/5 (E) */
175 #define LEADING_BYTE_CHINESE_CCITT_GB -165
177 /* Chinese CNS11643 Set 1 2/4 2/{8,9,10,11} 4/7 (G) */
178 #define LEADING_BYTE_CHINESE_CNS11643_1 -171
180 /* Chinese CNS11643 Set 2 2/4 2/{8,9,10,11} 4/8 (H) */
181 #define LEADING_BYTE_CHINESE_CNS11643_2 -172
183 /* Chinese CNS11643 Set 3 2/4 2/{8,9,10,11} 4/9 (I) */
184 #define LEADING_BYTE_CHINESE_CNS11643_3 -183
186 /* Chinese CNS11643 Set 4 2/4 2/{8,9,10,11} 4/10 (J) */
187 #define LEADING_BYTE_CHINESE_CNS11643_4 -184
189 /* Chinese CNS11643 Set 5 2/4 2/{8,9,10,11} 4/11 (K) */
190 #define LEADING_BYTE_CHINESE_CNS11643_5 -185
192 /* Chinese CNS11643 Set 6 2/4 2/{8,9,10,11} 4/12 (L) */
193 #define LEADING_BYTE_CHINESE_CNS11643_6 -186
195 /* Chinese CNS11643 Set 7 2/4 2/{8,9,10,11} 4/13 (M) */
196 #define LEADING_BYTE_CHINESE_CNS11643_7 -187
198 /* DPRK Hangul KPS 9566-1997 2/4 2/{8,9,10,11} 4/14 (N) */
199 #define LEADING_BYTE_KOREAN_KPS9566 -202
202 #define MIN_LEADING_BYTE (- 80 * 3)
204 #define NUM_LEADING_BYTES (MAX_LEADING_BYTE_PRIVATE - MIN_LEADING_BYTE)
207 /************************************************************************/
208 /* Information about a particular character set */
209 /************************************************************************/
213 struct lcrecord_header header;
217 Lisp_Object doc_string;
218 Lisp_Object registry;
219 Lisp_Object short_name;
220 Lisp_Object long_name;
222 Lisp_Object reverse_direction_charset;
224 Lisp_Object ccl_program;
226 /* Final byte of this character set in ISO2022 designating escape sequence */
229 /* Number of columns a character in this charset takes up, on TTY
230 devices. Not used for X devices. */
231 unsigned int columns;
233 /* Direction of this character set */
234 unsigned int direction;
236 /* Number of bytes used in encoding of this character set (1 .. 4) */
237 unsigned short dimension;
239 /* Number of chars in each dimension (94, 96, 128, 256) */
240 unsigned short chars;
242 /* Which half of font to be used to display this character set */
243 unsigned int graphic;
245 /* Code-point->character mapping table */
246 Lisp_Object decoding_table;
251 /* Range of character code */
252 int min_code, max_code;
254 /* Offset for external code */
257 /* Type of conversion from mother CCS */
258 unsigned char conversion;
260 /* Offset for each byte */
263 typedef struct Lisp_Charset Lisp_Charset;
265 DECLARE_LRECORD (charset, Lisp_Charset);
266 #define XCHARSET(x) XRECORD (x, charset, Lisp_Charset)
267 #define XSETCHARSET(x, p) XSETRECORD (x, p, charset)
268 #define CHARSETP(x) RECORDP (x, charset)
269 #define CHECK_CHARSET(x) CHECK_RECORD (x, charset)
270 #define CONCHECK_CHARSET(x) CONCHECK_RECORD (x, charset)
272 #define CHARSET_LEFT_TO_RIGHT 0
273 #define CHARSET_RIGHT_TO_LEFT 1
275 /* Leading byte and id have been regrouped. -- OG */
276 #define CHARSET_ID(cs) ((cs)->id)
277 #define CHARSET_LEADING_BYTE(cs) (CHARSET_ID(cs))
278 #define CHARSET_NAME(cs) ((cs)->name)
279 #define CHARSET_SHORT_NAME(cs) ((cs)->short_name)
280 #define CHARSET_LONG_NAME(cs) ((cs)->long_name)
281 #define CHARSET_COLUMNS(cs) ((cs)->columns)
282 #define CHARSET_GRAPHIC(cs) ((cs)->graphic)
283 #define CHARSET_DIRECTION(cs) ((cs)->direction)
284 #define CHARSET_FINAL(cs) ((cs)->final)
285 #define CHARSET_DOC_STRING(cs) ((cs)->doc_string)
286 #define CHARSET_REGISTRY(cs) ((cs)->registry)
287 #define CHARSET_CCL_PROGRAM(cs) ((cs)->ccl_program)
288 #define CHARSET_DIMENSION(cs) ((cs)->dimension)
289 #define CHARSET_CHARS(cs) ((cs)->chars)
290 #define CHARSET_REVERSE_DIRECTION_CHARSET(cs) ((cs)->reverse_direction_charset)
291 #define CHARSET_DECODING_TABLE(cs) ((cs)->decoding_table)
292 #define CHARSET_MIN_CODE(cs) ((cs)->min_code)
293 #define CHARSET_MAX_CODE(cs) ((cs)->max_code)
294 #define CHARSET_CODE_OFFSET(cs) ((cs)->code_offset)
295 #define CHARSET_BYTE_OFFSET(cs) ((cs)->byte_offset)
296 #define CHARSET_MOTHER(cs) ((cs)->mother)
297 #define CHARSET_CONVERSION(cs) ((cs)->conversion)
299 INLINE_HEADER int CHARSET_BYTE_SIZE (Lisp_Charset* cs);
301 CHARSET_BYTE_SIZE (Lisp_Charset* cs)
303 /* ad-hoc method for `ascii' */
304 if ((CHARSET_CHARS (cs) == 94) &&
305 (CHARSET_BYTE_OFFSET (cs) != 33))
306 return 128 - CHARSET_BYTE_OFFSET (cs);
308 return CHARSET_CHARS (cs);
311 INLINE_HEADER Lisp_Object CHARSET_ENCODING_TABLE (Lisp_Charset* cs);
312 INLINE_HEADER Lisp_Object
313 CHARSET_ENCODING_TABLE (Lisp_Charset* cs)
315 return Fgethash (CHARSET_NAME(cs),
316 Vchar_attribute_hash_table,
320 #define CONVERSION_IDENTICAL 0
321 #define CONVERSION_94 1
322 #define CONVERSION_96 2
323 #define CONVERSION_94x94 3
324 #define CONVERSION_96x96 4
325 #define CONVERSION_94x94x94 5
326 #define CONVERSION_96x96x96 6
327 #define CONVERSION_94x94x94x94 7
328 #define CONVERSION_96x96x96x96 8
329 #define CONVERSION_94x60 9
330 #define CONVERSION_94x94x60 10
331 #define CONVERSION_94x94x94x60 11
332 #define CONVERSION_BIG5_1 12
333 #define CONVERSION_BIG5_2 13
335 #define XCHARSET_ID(cs) CHARSET_ID (XCHARSET (cs))
336 #define XCHARSET_NAME(cs) CHARSET_NAME (XCHARSET (cs))
337 #define XCHARSET_SHORT_NAME(cs) CHARSET_SHORT_NAME (XCHARSET (cs))
338 #define XCHARSET_LONG_NAME(cs) CHARSET_LONG_NAME (XCHARSET (cs))
339 #define XCHARSET_GRAPHIC(cs) CHARSET_GRAPHIC (XCHARSET (cs))
340 #define XCHARSET_DIRECTION(cs) CHARSET_DIRECTION (XCHARSET (cs))
341 #define XCHARSET_FINAL(cs) CHARSET_FINAL (XCHARSET (cs))
342 #define XCHARSET_DOC_STRING(cs) CHARSET_DOC_STRING (XCHARSET (cs))
343 #define XCHARSET_REGISTRY(cs) CHARSET_REGISTRY (XCHARSET (cs))
344 #define XCHARSET_LEADING_BYTE(cs) CHARSET_LEADING_BYTE (XCHARSET (cs))
345 #define XCHARSET_CCL_PROGRAM(cs) CHARSET_CCL_PROGRAM (XCHARSET (cs))
346 #define XCHARSET_DIMENSION(cs) CHARSET_DIMENSION (XCHARSET (cs))
347 #define XCHARSET_CHARS(cs) CHARSET_CHARS (XCHARSET (cs))
348 #define XCHARSET_BYTE_SIZE(cs) CHARSET_BYTE_SIZE (XCHARSET (cs))
349 #define XCHARSET_REVERSE_DIRECTION_CHARSET(cs) \
350 CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
351 #define XCHARSET_DECODING_TABLE(cs) CHARSET_DECODING_TABLE(XCHARSET(cs))
352 #define XCHARSET_ENCODING_TABLE(cs) CHARSET_ENCODING_TABLE(XCHARSET(cs))
353 #define XCHARSET_MIN_CODE(cs) CHARSET_MIN_CODE(XCHARSET(cs))
354 #define XCHARSET_MAX_CODE(cs) CHARSET_MAX_CODE(XCHARSET(cs))
355 #define XCHARSET_CODE_OFFSET(cs) CHARSET_CODE_OFFSET(XCHARSET(cs))
356 #define XCHARSET_BYTE_OFFSET(cs) CHARSET_BYTE_OFFSET(XCHARSET(cs))
357 #define XCHARSET_MOTHER(cs) CHARSET_MOTHER(XCHARSET(cs))
358 #define XCHARSET_CONVERSION(cs) CHARSET_CONVERSION(XCHARSET(cs))
360 struct charset_lookup {
361 /* Table of charsets indexed by (leading byte - 128). */
362 Lisp_Object charset_by_leading_byte[NUM_LEADING_BYTES];
364 /* Table of charsets indexed by type/final-byte/direction. */
365 Lisp_Object charset_by_attributes[4][128];
367 Charset_ID next_allocated_leading_byte;
370 extern struct charset_lookup *chlook;
372 #ifdef ERROR_CHECK_TYPECHECK
373 /* int not Bufbyte even though that is the actual type of a leading byte.
374 This way, out-ot-range values will get caught rather than automatically
376 INLINE_HEADER Lisp_Object CHARSET_BY_LEADING_BYTE (Charset_ID lb);
377 INLINE_HEADER Lisp_Object
378 CHARSET_BY_LEADING_BYTE (Charset_ID lb)
380 assert (lb >= MIN_LEADING_BYTE &&
381 lb < (MIN_LEADING_BYTE + NUM_LEADING_BYTES));
382 return chlook->charset_by_leading_byte[lb - MIN_LEADING_BYTE];
387 #define CHARSET_BY_LEADING_BYTE(lb) \
388 (chlook->charset_by_leading_byte[(lb) - MIN_LEADING_BYTE])
392 INLINE_HEADER Lisp_Object
393 CHARSET_BY_ATTRIBUTES (int chars, int dimension, int final, int dir);
394 INLINE_HEADER Lisp_Object
395 CHARSET_BY_ATTRIBUTES (int chars, int dimension, int final, int dir)
401 else if (chars == 96)
405 type += dimension == 1 ? 0 : 2;
406 return chlook->charset_by_attributes[type][final];
410 /************************************************************************/
411 /* Dealing with characters */
412 /************************************************************************/
414 #define MAX_CHAR_BASIC_LATIN 0x007F
417 #define MIN_CHAR_HEBREW 0x0590
418 #define MAX_CHAR_HEBREW 0x05EF
421 #define MIN_CHAR_THAI 0x0E00
422 #define MAX_CHAR_THAI 0x0E5F
425 #define MIN_CHAR_HIRAGANA 0x3041
426 #define MAX_CHAR_HIRAGANA 0x3093
428 #define MIN_CHAR_KATAKANA 0x30A1
429 #define MAX_CHAR_KATAKANA 0x30F6
432 #define MIN_CHAR_HALFWIDTH_KATAKANA 0xFF61
433 #define MAX_CHAR_HALFWIDTH_KATAKANA 0xFF9F
435 #define MAX_CHAR_BMP 0x00FFFF
437 #define MIN_CHAR_SMP 0x010000
438 #define MAX_CHAR_SMP 0x01FFFF
440 #define MIN_CHAR_SIP 0x020000
441 #define MAX_CHAR_SIP 0x02FFFF
444 #define MIN_CHAR_DAIKANWA 0x00E00000
445 #define MAX_CHAR_DAIKANWA (MIN_CHAR_DAIKANWA + 50100) /* 0xE0FFFF */
447 #define MIN_CHAR_CBETA 0x00E20000
448 #define MAX_CHAR_CBETA 0x00E2FFFF
450 #define MIN_CHAR_CHINA3_JEF 0x00E80000
451 #define MAX_CHAR_CHINA3_JEF 0x00E8FFFF
454 #define MIN_CHAR_94 0x00E90940
455 #define MAX_CHAR_94 (MIN_CHAR_94 + 94 * 80 - 1)
456 #define MIN_CHAR_96 (MIN_CHAR_94 + 94 * 80)
457 #define MAX_CHAR_96 (MIN_CHAR_96 + 96 * 80 - 1)
459 #define MIN_CHAR_94x94 0xE9F6C0
460 #define MIN_CHAR_JIS_X0208_1990 (MIN_CHAR_94x94 + 94 * 94 * 79)
461 #define MAX_CHAR_94x94 (MIN_CHAR_94x94 + 94 * 94 * 80 - 1)
462 #define MAX_CHAR_JIS_X0208_1990 MAX_CHAR_94x94
463 #define MIN_CHAR_96x96 0xF4C000
464 #define MAX_CHAR_96x96 (MIN_CHAR_96x96 + 96 * 96 * 80 - 1)
467 #define MIN_CHAR_GT 0x61000000
468 #define MAX_CHAR_GT (MIN_CHAR_GT + 67547)
470 #define MIN_CHAR_BIG5_CDP 0x62000000
471 #define MAX_CHAR_BIG5_CDP 0x6200FFFF
473 #define MIN_CHAR_HANZIKU_1 (0x62000000 + 65536 * 1)
474 #define MAX_CHAR_HANZIKU_1 (0x62000000 + 65536 * 1 + 65535)
475 #define MIN_CHAR_HANZIKU_2 (0x62000000 + 65536 * 2)
476 #define MAX_CHAR_HANZIKU_2 (0x62000000 + 65536 * 2 + 65535)
477 #define MIN_CHAR_HANZIKU_3 (0x62000000 + 65536 * 3)
478 #define MAX_CHAR_HANZIKU_3 (0x62000000 + 65536 * 3 + 65535)
479 #define MIN_CHAR_HANZIKU_4 (0x62000000 + 65536 * 4)
480 #define MAX_CHAR_HANZIKU_4 (0x62000000 + 65536 * 4 + 65535)
481 #define MIN_CHAR_HANZIKU_5 (0x62000000 + 65536 * 5)
482 #define MAX_CHAR_HANZIKU_5 (0x62000000 + 65536 * 5 + 65535)
483 #define MIN_CHAR_HANZIKU_6 (0x62000000 + 65536 * 6)
484 #define MAX_CHAR_HANZIKU_6 (0x62000000 + 65536 * 6 + 65535)
485 #define MIN_CHAR_HANZIKU_7 (0x62000000 + 65536 * 7)
486 #define MAX_CHAR_HANZIKU_7 (0x62000000 + 65536 * 7 + 65535)
487 #define MIN_CHAR_HANZIKU_8 (0x62000000 + 65536 * 8)
488 #define MAX_CHAR_HANZIKU_8 (0x62000000 + 65536 * 8 + 65535)
489 #define MIN_CHAR_HANZIKU_9 (0x62000000 + 65536 * 9)
490 #define MAX_CHAR_HANZIKU_9 (0x62000000 + 65536 * 9 + 65535)
491 #define MIN_CHAR_HANZIKU_10 (0x62000000 + 65536 * 10)
492 #define MAX_CHAR_HANZIKU_10 (0x62000000 + 65536 * 10 + 65535)
493 #define MIN_CHAR_HANZIKU_11 (0x62000000 + 65536 * 11)
494 #define MAX_CHAR_HANZIKU_11 (0x62000000 + 65536 * 11 + 65535)
495 #define MIN_CHAR_HANZIKU_12 (0x62000000 + 65536 * 12)
496 #define MAX_CHAR_HANZIKU_12 (0x62000000 + 65536 * 12 + 65535)
499 Emchar decode_builtin_char (Lisp_Object charset, int code_point);
501 INLINE_HEADER Lisp_Object
502 get_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code);
503 INLINE_HEADER Lisp_Object
504 get_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code)
506 int byte_offset = XCHARSET_BYTE_OFFSET (ccs);
510 int idx = code - byte_offset;
512 if (idx < XVECTOR_LENGTH(table))
513 return XVECTOR_DATA(table)[idx];
521 INLINE_HEADER Lisp_Object
522 put_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code,
524 INLINE_HEADER Lisp_Object
525 put_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code,
528 int byte_offset = XCHARSET_BYTE_OFFSET (ccs);
529 int ccs_len = XCHARSET_BYTE_SIZE (ccs);
533 XVECTOR_DATA(table)[code - byte_offset] = value;
536 else if (EQ (table, value))
540 table = make_vector (ccs_len, table);
541 XVECTOR_DATA(table)[code - byte_offset] = value;
547 decoding_table_put_char (Lisp_Object ccs,
548 int code_point, Lisp_Object character);
551 decoding_table_remove_char (Lisp_Object ccs, int code_point);
553 decoding_table_remove_char (Lisp_Object ccs, int code_point)
555 decoding_table_put_char (ccs, code_point, Qunbound);
559 Emchar load_char_decoding_entry_maybe (Lisp_Object ccs, int code_point);
562 Emchar decode_defined_char (Lisp_Object charset, int code_point,
563 int without_inheritance);
566 DECODE_CHAR (Lisp_Object charset, int code_point, int without_inheritance);
568 DECODE_CHAR (Lisp_Object charset, int code_point, int without_inheritance)
571 = decode_defined_char (charset, code_point, without_inheritance);
576 return decode_builtin_char (charset, code_point);
579 /* Return a character whose charset is CHARSET and position-codes
580 are C1 and C2. TYPE9N character ignores C2. */
582 INLINE_HEADER Emchar MAKE_CHAR (Lisp_Object charset, int c1, int c2);
584 MAKE_CHAR (Lisp_Object charset, int c1, int c2)
586 if (XCHARSET_DIMENSION (charset) == 1)
587 return DECODE_CHAR (charset, c1, 0);
589 return DECODE_CHAR (charset, (c1 << 8) | c2, 0);
592 extern Lisp_Object Vcharacter_attribute_table;
594 int encode_char_2 (Emchar ch, Lisp_Object* charset);
595 int encode_builtin_char_1 (Emchar c, Lisp_Object* charset);
596 int charset_code_point (Lisp_Object charset, Emchar ch, int defined_only);
597 int range_charset_code_point (Lisp_Object charset, Emchar ch);
599 extern Lisp_Object Vdefault_coded_charset_priority_list;
600 extern Lisp_Object Vdisplay_coded_charset_priority_use_inheritance;
601 extern Lisp_Object Vdisplay_coded_charset_priority_use_hierarchy_order;
603 EXFUN (Ffind_charset, 1);
605 INLINE_HEADER int encode_char_1 (Emchar ch, Lisp_Object* charset);
607 encode_char_1 (Emchar ch, Lisp_Object* charset)
609 Lisp_Object charsets = Vdefault_coded_charset_priority_list;
611 while (!NILP (charsets))
613 *charset = Ffind_charset (Fcar (charsets));
614 if (!NILP (*charset))
616 int code_point = charset_code_point (*charset, ch, 0);
621 charsets = Fcdr (charsets);
624 /* otherwise --- maybe for bootstrap */
625 return encode_builtin_char_1 (ch, charset);
629 encode_char_2_search_children (Emchar ch, Lisp_Object* charset);
631 encode_char_2_search_children (Emchar ch, Lisp_Object* charset)
636 rest = Fget_char_attribute (make_char (ch), Q_subsumptive, Qnil);
637 for ( ; !NILP (rest); rest = XCDR (rest) )
639 Lisp_Object c = XCAR (rest);
641 code_point = charset_code_point (*charset, XCHAR (c), 0);
645 rest = Fget_char_attribute (make_char (ch), Q_denotational, Qnil);
646 for ( ; !NILP (rest); rest = XCDR (rest) )
648 Lisp_Object c = XCAR (rest);
650 code_point = charset_code_point (*charset, XCHAR (c), 0);
657 #define ENCODE_CHAR(ch, charset) encode_char_1 (ch, &(charset))
660 breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2);
662 breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2)
664 int code_point = encode_char_1 (c, charset);
668 int dim = XCHARSET_DIMENSION (*charset);
675 else /* if (dim == 2) */
677 *c1 = code_point >> 8;
678 *c2 = code_point & 255;
686 #define BREAKUP_CHAR(ch, charset, b1, b2) \
687 breakup_char_1 (ch, &(charset), &(b1), &(b2))
689 INLINE_HEADER Lisp_Object CHAR_CHARSET (Emchar ch);
690 INLINE_HEADER Lisp_Object
691 CHAR_CHARSET (Emchar ch)
695 ENCODE_CHAR (ch, charset);
699 #define CHAR_CHARSET_ID(c) (XCHARSET_ID(CHAR_CHARSET(c)))
700 #define CHAR_COLUMNS(c) (CHARSET_COLUMNS(XCHARSET(CHAR_CHARSET(c))))
709 INLINE_HEADER Charc CHAR_TO_CHARC (Emchar ch);
711 CHAR_TO_CHARC (Emchar ch)
715 cc.code_point = encode_char_2 (ch, &cc.charset);
719 #endif /* INCLUDED_char_ucs_h_ */