--- /dev/null
+/* Header for UCS-4 character representation.
+ Copyright (C) 1999,2000,2001,2002,2003,2004 MORIOKA Tomohiko
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#ifndef INCLUDED_char_ucs_h_
+#define INCLUDED_char_ucs_h_
+
+#include "chartab.h"
+#include "elhash.h"
+
+EXFUN (Fmake_directory_internal, 1);
+
+extern Lisp_Object Vchar_attribute_hash_table;
+
+#define valid_char_p(ch) 1
+
+#define CHAR_ASCII_P(ch) ((ch) <= 0x7F)
+
+\f
+/************************************************************************/
+/* Exported functions */
+/************************************************************************/
+
+extern Lisp_Object Vcharset_ucs;
+extern Lisp_Object Vcharset_latin_jisx0201;
+extern Lisp_Object Vcharset_chinese_big5;
+extern Lisp_Object Vcharset_chinese_big5_1;
+extern Lisp_Object Vcharset_chinese_big5_2;
+extern Lisp_Object Vcharset_japanese_jisx0208;
+extern Lisp_Object Vcharset_japanese_jisx0208_1990;
+extern Lisp_Object Vcharset_japanese_jisx0212;
+
+EXFUN (Fget_charset, 1);
+
+extern Lisp_Object Qsystem_char_id;
+extern Lisp_Object Qmap_ucs, Qucs;
+extern Lisp_Object Q_subsumptive, Q_denotational;
+
+Lisp_Object put_char_ccs_code_point (Lisp_Object character,
+ Lisp_Object ccs, Lisp_Object value);
+Lisp_Object remove_char_ccs (Lisp_Object character, Lisp_Object ccs);
+
+\f
+/************************************************************************/
+/* Definition of leading bytes */
+/************************************************************************/
+
+typedef short Charset_ID;
+
+/* ISO/IEC 10646 */
+#define LEADING_BYTE_UCS -177
+
+/* represent normal 80-9F */
+#define LEADING_BYTE_CONTROL_1 -77
+
+/* ISO/IEC 10646 BMP */
+#define LEADING_BYTE_UCS_BMP -176
+
+#define LEADING_BYTE_SYSTEM_CHAR_ID 0
+
+/* Japanese JIS X0208 Common 2/4 2/{(8),9,10,11} 4/2 (B) */
+#define LEADING_BYTE_JIS_X0208 1
+
+/* Chinese GB 12345-1990 */
+#define LEADING_BYTE_CHINESE_GB12345 2
+
+#define LEADING_BYTE_CHINESE_BIG5 3
+
+/* Big5 Level 1 2/4 2/{(8),9,10,11} 4/0 '0' */
+#define LEADING_BYTE_CHINESE_BIG5_1 4
+
+/* Big5 Level 2 2/4 2/{(8),9,10,11} 4/0 '1' */
+#define LEADING_BYTE_CHINESE_BIG5_2 5
+
+/* VISCII 1.1 */
+#define LEADING_BYTE_LATIN_VISCII 6
+
+/* MULE VISCII-LOWER (CHARSET_ID_OFFSET_96 + '1') */
+#define LEADING_BYTE_LATIN_VISCII_LOWER 7
+
+/* MULE VISCII-UPPER (CHARSET_ID_OFFSET_96 + '2') */
+#define LEADING_BYTE_LATIN_VISCII_UPPER 8
+
+#define LEADING_BYTE_ETHIOPIC_UCS 9
+
+/* ISO/IEC 10646 SMP */
+#define LEADING_BYTE_UCS_SMP 10
+
+/* ISO/IEC 10646 SIP */
+#define LEADING_BYTE_UCS_SIP 11
+
+#define MIN_LEADING_BYTE_PRIVATE 12
+#define MAX_LEADING_BYTE_PRIVATE 512
+
+
+/* ISO 646 IRV */
+#define LEADING_BYTE_ASCII -6 /* (CHARSET_ID_OFFSET_94 + 'B') */
+
+/* Right half of JIS X0201-1976 */
+#define LEADING_BYTE_KATAKANA_JISX0201 -13 /* (CHARSET_ID_OFFSET_94 + 'I') */
+
+/* Left half of JIS X0201-1976 */
+#define LEADING_BYTE_LATIN_JISX0201 -14 /* (CHARSET_ID_OFFSET_94 + 'J') */
+
+
+/* Right half of ISO 8859-1 */
+#define LEADING_BYTE_LATIN_ISO8859_1 -100 /* (CHARSET_ID_OFFSET_96 + 'A') */
+
+/* Right half of ISO 8859-2 */
+#define LEADING_BYTE_LATIN_ISO8859_2 -101 /* (CHARSET_ID_OFFSET_96 + 'B') */
+
+/* Right half of ISO 8859-3 */
+#define LEADING_BYTE_LATIN_ISO8859_3 -109 /* (CHARSET_ID_OFFSET_96 + 'C') */
+
+/* Right half of ISO 8859-4 */
+#define LEADING_BYTE_LATIN_ISO8859_4 -110 /* (CHARSET_ID_OFFSET_96 + 'D') */
+
+/* Right half of ISO 8859-7 */
+#define LEADING_BYTE_GREEK_ISO8859_7 -126 /* (CHARSET_ID_OFFSET_96 + 'F') */
+
+/* Right half of ISO 8859-6 */
+#define LEADING_BYTE_ARABIC_ISO8859_6 -127 /* (CHARSET_ID_OFFSET_96 + 'G') */
+
+/* Right half of ISO 8859-8 */
+#define LEADING_BYTE_HEBREW_ISO8859_8 -138 /* (CHARSET_ID_OFFSET_96 + 'H') */
+
+/* Right half of ISO 8859-5 */
+#define LEADING_BYTE_CYRILLIC_ISO8859_5 -144 /* (CHARSET_ID_OFFSET_96 + 'L') */
+
+/* Right half of ISO 8859-9 */
+#define LEADING_BYTE_LATIN_ISO8859_9 -148 /* (CHARSET_ID_OFFSET_96 + 'M') */
+
+/* TIS620-2533 */
+#define LEADING_BYTE_THAI_TIS620 -166 /* (CHARSET_ID_OFFSET_96 + 'T') */
+
+/* Right-hand Part of the VSCII-2 (TCVN 5712:1983) */
+#define LEADING_BYTE_LATIN_TCVN5712 -180 /* F = 5/10 0x5A `Z' */
+
+
+/* Japanese JIS X0208-1978 2/4 2/{(8),9,10,11} 4/0 (@) */
+#define LEADING_BYTE_JAPANESE_JISX0208_1978 -42
+
+/* Chinese Hanzi GB2312-1980 2/4 2/{(8),9,10,11} 4/1 (A) */
+#define LEADING_BYTE_CHINESE_GB2312 -58
+
+/* Japanese JIS X0208-1983 2/4 2/{(8),9,10,11} 4/2 (B) */
+#define LEADING_BYTE_JAPANESE_JISX0208 -87
+
+/* Japanese JIS X0208-1990 2/4 2/{(8),9,10,11} 4/2 (B) */
+#define LEADING_BYTE_JAPANESE_JISX0208_1990 -168
+
+/* Hangul KS C5601-1987 2/4 2/{8,9,10,11} 4/3 (C) */
+#define LEADING_BYTE_KOREAN_KSC5601 -149
+
+/* Japanese JIS X0212-1990 2/4 2/{8,9,10,11} 4/4 (D) */
+#define LEADING_BYTE_JAPANESE_JISX0212 -159
+
+/* CCITT Extended GB 2/4 2/{8,9,10,11} 4/5 (E) */
+#define LEADING_BYTE_CHINESE_CCITT_GB -165
+
+/* Chinese CNS11643 Set 1 2/4 2/{8,9,10,11} 4/7 (G) */
+#define LEADING_BYTE_CHINESE_CNS11643_1 -171
+
+/* Chinese CNS11643 Set 2 2/4 2/{8,9,10,11} 4/8 (H) */
+#define LEADING_BYTE_CHINESE_CNS11643_2 -172
+
+/* Chinese CNS11643 Set 3 2/4 2/{8,9,10,11} 4/9 (I) */
+#define LEADING_BYTE_CHINESE_CNS11643_3 -183
+
+/* Chinese CNS11643 Set 4 2/4 2/{8,9,10,11} 4/10 (J) */
+#define LEADING_BYTE_CHINESE_CNS11643_4 -184
+
+/* Chinese CNS11643 Set 5 2/4 2/{8,9,10,11} 4/11 (K) */
+#define LEADING_BYTE_CHINESE_CNS11643_5 -185
+
+/* Chinese CNS11643 Set 6 2/4 2/{8,9,10,11} 4/12 (L) */
+#define LEADING_BYTE_CHINESE_CNS11643_6 -186
+
+/* Chinese CNS11643 Set 7 2/4 2/{8,9,10,11} 4/13 (M) */
+#define LEADING_BYTE_CHINESE_CNS11643_7 -187
+
+/* DPRK Hangul KPS 9566-1997 2/4 2/{8,9,10,11} 4/14 (N) */
+#define LEADING_BYTE_KOREAN_KPS9566 -202
+
+
+#define MIN_LEADING_BYTE (- 80 * 3)
+
+#define NUM_LEADING_BYTES (MAX_LEADING_BYTE_PRIVATE - MIN_LEADING_BYTE)
+
+\f
+/************************************************************************/
+/* Information about a particular character set */
+/************************************************************************/
+
+struct Lisp_Charset
+{
+ struct lcrecord_header header;
+
+ int id;
+ Lisp_Object name;
+ Lisp_Object doc_string;
+ Lisp_Object registry;
+ Lisp_Object short_name;
+ Lisp_Object long_name;
+
+ Lisp_Object reverse_direction_charset;
+
+ Lisp_Object ccl_program;
+
+ /* Final byte of this character set in ISO2022 designating escape sequence */
+ Bufbyte final;
+
+ /* Number of columns a character in this charset takes up, on TTY
+ devices. Not used for X devices. */
+ unsigned int columns;
+
+ /* Direction of this character set */
+ unsigned int direction;
+
+ /* Number of bytes used in encoding of this character set (1 .. 4) */
+ unsigned short dimension;
+
+ /* Number of chars in each dimension (94, 96, 128, 256) */
+ unsigned short chars;
+
+ /* Which half of font to be used to display this character set */
+ unsigned int graphic;
+
+ /* Code-point->character mapping table */
+ Lisp_Object decoding_table;
+
+ /* Base CCS */
+ Lisp_Object mother;
+
+ /* Range of character code */
+ int min_code, max_code;
+
+ /* Offset for external code */
+ int code_offset;
+
+ /* Type of conversion from mother CCS */
+ unsigned char conversion;
+
+ /* Offset for each byte */
+ int byte_offset;
+};
+typedef struct Lisp_Charset Lisp_Charset;
+
+DECLARE_LRECORD (charset, Lisp_Charset);
+#define XCHARSET(x) XRECORD (x, charset, Lisp_Charset)
+#define XSETCHARSET(x, p) XSETRECORD (x, p, charset)
+#define CHARSETP(x) RECORDP (x, charset)
+#define CHECK_CHARSET(x) CHECK_RECORD (x, charset)
+#define CONCHECK_CHARSET(x) CONCHECK_RECORD (x, charset)
+
+#define CHARSET_LEFT_TO_RIGHT 0
+#define CHARSET_RIGHT_TO_LEFT 1
+
+/* Leading byte and id have been regrouped. -- OG */
+#define CHARSET_ID(cs) ((cs)->id)
+#define CHARSET_LEADING_BYTE(cs) (CHARSET_ID(cs))
+#define CHARSET_NAME(cs) ((cs)->name)
+#define CHARSET_SHORT_NAME(cs) ((cs)->short_name)
+#define CHARSET_LONG_NAME(cs) ((cs)->long_name)
+#define CHARSET_COLUMNS(cs) ((cs)->columns)
+#define CHARSET_GRAPHIC(cs) ((cs)->graphic)
+#define CHARSET_DIRECTION(cs) ((cs)->direction)
+#define CHARSET_FINAL(cs) ((cs)->final)
+#define CHARSET_DOC_STRING(cs) ((cs)->doc_string)
+#define CHARSET_REGISTRY(cs) ((cs)->registry)
+#define CHARSET_CCL_PROGRAM(cs) ((cs)->ccl_program)
+#define CHARSET_DIMENSION(cs) ((cs)->dimension)
+#define CHARSET_CHARS(cs) ((cs)->chars)
+#define CHARSET_REVERSE_DIRECTION_CHARSET(cs) ((cs)->reverse_direction_charset)
+#define CHARSET_DECODING_TABLE(cs) ((cs)->decoding_table)
+#define CHARSET_MIN_CODE(cs) ((cs)->min_code)
+#define CHARSET_MAX_CODE(cs) ((cs)->max_code)
+#define CHARSET_CODE_OFFSET(cs) ((cs)->code_offset)
+#define CHARSET_BYTE_OFFSET(cs) ((cs)->byte_offset)
+#define CHARSET_MOTHER(cs) ((cs)->mother)
+#define CHARSET_CONVERSION(cs) ((cs)->conversion)
+
+INLINE_HEADER int CHARSET_BYTE_SIZE (Lisp_Charset* cs);
+INLINE_HEADER int
+CHARSET_BYTE_SIZE (Lisp_Charset* cs)
+{
+ /* ad-hoc method for `ascii' */
+ if ((CHARSET_CHARS (cs) == 94) &&
+ (CHARSET_BYTE_OFFSET (cs) != 33))
+ return 128 - CHARSET_BYTE_OFFSET (cs);
+ else
+ return CHARSET_CHARS (cs);
+}
+
+INLINE_HEADER Lisp_Object CHARSET_ENCODING_TABLE (Lisp_Charset* cs);
+INLINE_HEADER Lisp_Object
+CHARSET_ENCODING_TABLE (Lisp_Charset* cs)
+{
+ return Fgethash (CHARSET_NAME(cs),
+ Vchar_attribute_hash_table,
+ Qnil);
+}
+
+#define CONVERSION_IDENTICAL 0
+#define CONVERSION_94 1
+#define CONVERSION_96 2
+#define CONVERSION_94x94 3
+#define CONVERSION_96x96 4
+#define CONVERSION_94x94x94 5
+#define CONVERSION_96x96x96 6
+#define CONVERSION_94x94x94x94 7
+#define CONVERSION_96x96x96x96 8
+#define CONVERSION_94x60 9
+#define CONVERSION_94x94x60 10
+#define CONVERSION_94x94x94x60 11
+#define CONVERSION_BIG5_1 12
+#define CONVERSION_BIG5_2 13
+
+#define XCHARSET_ID(cs) CHARSET_ID (XCHARSET (cs))
+#define XCHARSET_NAME(cs) CHARSET_NAME (XCHARSET (cs))
+#define XCHARSET_SHORT_NAME(cs) CHARSET_SHORT_NAME (XCHARSET (cs))
+#define XCHARSET_LONG_NAME(cs) CHARSET_LONG_NAME (XCHARSET (cs))
+#define XCHARSET_GRAPHIC(cs) CHARSET_GRAPHIC (XCHARSET (cs))
+#define XCHARSET_DIRECTION(cs) CHARSET_DIRECTION (XCHARSET (cs))
+#define XCHARSET_FINAL(cs) CHARSET_FINAL (XCHARSET (cs))
+#define XCHARSET_DOC_STRING(cs) CHARSET_DOC_STRING (XCHARSET (cs))
+#define XCHARSET_REGISTRY(cs) CHARSET_REGISTRY (XCHARSET (cs))
+#define XCHARSET_LEADING_BYTE(cs) CHARSET_LEADING_BYTE (XCHARSET (cs))
+#define XCHARSET_CCL_PROGRAM(cs) CHARSET_CCL_PROGRAM (XCHARSET (cs))
+#define XCHARSET_DIMENSION(cs) CHARSET_DIMENSION (XCHARSET (cs))
+#define XCHARSET_CHARS(cs) CHARSET_CHARS (XCHARSET (cs))
+#define XCHARSET_BYTE_SIZE(cs) CHARSET_BYTE_SIZE (XCHARSET (cs))
+#define XCHARSET_REVERSE_DIRECTION_CHARSET(cs) \
+ CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
+#define XCHARSET_DECODING_TABLE(cs) CHARSET_DECODING_TABLE(XCHARSET(cs))
+#define XCHARSET_ENCODING_TABLE(cs) CHARSET_ENCODING_TABLE(XCHARSET(cs))
+#define XCHARSET_MIN_CODE(cs) CHARSET_MIN_CODE(XCHARSET(cs))
+#define XCHARSET_MAX_CODE(cs) CHARSET_MAX_CODE(XCHARSET(cs))
+#define XCHARSET_CODE_OFFSET(cs) CHARSET_CODE_OFFSET(XCHARSET(cs))
+#define XCHARSET_BYTE_OFFSET(cs) CHARSET_BYTE_OFFSET(XCHARSET(cs))
+#define XCHARSET_MOTHER(cs) CHARSET_MOTHER(XCHARSET(cs))
+#define XCHARSET_CONVERSION(cs) CHARSET_CONVERSION(XCHARSET(cs))
+
+struct charset_lookup {
+ /* Table of charsets indexed by (leading byte - 128). */
+ Lisp_Object charset_by_leading_byte[NUM_LEADING_BYTES];
+
+ /* Table of charsets indexed by type/final-byte/direction. */
+ Lisp_Object charset_by_attributes[4][128];
+
+ Charset_ID next_allocated_leading_byte;
+};
+
+extern struct charset_lookup *chlook;
+
+#ifdef ERROR_CHECK_TYPECHECK
+/* int not Bufbyte even though that is the actual type of a leading byte.
+ This way, out-ot-range values will get caught rather than automatically
+ truncated. */
+INLINE_HEADER Lisp_Object CHARSET_BY_LEADING_BYTE (Charset_ID lb);
+INLINE_HEADER Lisp_Object
+CHARSET_BY_LEADING_BYTE (Charset_ID lb)
+{
+ assert (lb >= MIN_LEADING_BYTE &&
+ lb < (MIN_LEADING_BYTE + NUM_LEADING_BYTES));
+ return chlook->charset_by_leading_byte[lb - MIN_LEADING_BYTE];
+}
+
+#else
+
+#define CHARSET_BY_LEADING_BYTE(lb) \
+ (chlook->charset_by_leading_byte[(lb) - MIN_LEADING_BYTE])
+
+#endif
+
+INLINE_HEADER Lisp_Object
+CHARSET_BY_ATTRIBUTES (int chars, int dimension, int final, int dir);
+INLINE_HEADER Lisp_Object
+CHARSET_BY_ATTRIBUTES (int chars, int dimension, int final, int dir)
+{
+ int type;
+
+ if (chars == 94)
+ type = 0;
+ else if (chars == 96)
+ type = 1;
+ else
+ return Qnil;
+ type += dimension == 1 ? 0 : 2;
+ return chlook->charset_by_attributes[type][final];
+}
+
+\f
+/************************************************************************/
+/* Dealing with characters */
+/************************************************************************/
+
+#define MAX_CHAR_BASIC_LATIN 0x007F
+
+/*
+#define MIN_CHAR_HEBREW 0x0590
+#define MAX_CHAR_HEBREW 0x05EF
+*/
+
+#define MIN_CHAR_THAI 0x0E00
+#define MAX_CHAR_THAI 0x0E5F
+
+/*
+#define MIN_CHAR_HIRAGANA 0x3041
+#define MAX_CHAR_HIRAGANA 0x3093
+
+#define MIN_CHAR_KATAKANA 0x30A1
+#define MAX_CHAR_KATAKANA 0x30F6
+*/
+
+#define MIN_CHAR_HALFWIDTH_KATAKANA 0xFF61
+#define MAX_CHAR_HALFWIDTH_KATAKANA 0xFF9F
+
+#define MAX_CHAR_BMP 0x00FFFF
+
+#define MIN_CHAR_SMP 0x010000
+#define MAX_CHAR_SMP 0x01FFFF
+
+#define MIN_CHAR_SIP 0x020000
+#define MAX_CHAR_SIP 0x02FFFF
+
+#if 0
+#define MIN_CHAR_DAIKANWA 0x00E00000
+#define MAX_CHAR_DAIKANWA (MIN_CHAR_DAIKANWA + 50100) /* 0xE0FFFF */
+
+#define MIN_CHAR_CBETA 0x00E20000
+#define MAX_CHAR_CBETA 0x00E2FFFF
+
+#define MIN_CHAR_CHINA3_JEF 0x00E80000
+#define MAX_CHAR_CHINA3_JEF 0x00E8FFFF
+#endif
+
+#define MIN_CHAR_94 0x00E90940
+#define MAX_CHAR_94 (MIN_CHAR_94 + 94 * 80 - 1)
+#define MIN_CHAR_96 (MIN_CHAR_94 + 94 * 80)
+#define MAX_CHAR_96 (MIN_CHAR_96 + 96 * 80 - 1)
+
+#define MIN_CHAR_94x94 0xE9F6C0
+#define MIN_CHAR_JIS_X0208_1990 (MIN_CHAR_94x94 + 94 * 94 * 79)
+#define MAX_CHAR_94x94 (MIN_CHAR_94x94 + 94 * 94 * 80 - 1)
+#define MAX_CHAR_JIS_X0208_1990 MAX_CHAR_94x94
+#define MIN_CHAR_96x96 0xF4C000
+#define MAX_CHAR_96x96 (MIN_CHAR_96x96 + 96 * 96 * 80 - 1)
+
+/*
+#define MIN_CHAR_GT 0x61000000
+#define MAX_CHAR_GT (MIN_CHAR_GT + 67547)
+*/
+#define MIN_CHAR_BIG5_CDP 0x62000000
+#define MAX_CHAR_BIG5_CDP 0x6200FFFF
+/*
+#define MIN_CHAR_HANZIKU_1 (0x62000000 + 65536 * 1)
+#define MAX_CHAR_HANZIKU_1 (0x62000000 + 65536 * 1 + 65535)
+#define MIN_CHAR_HANZIKU_2 (0x62000000 + 65536 * 2)
+#define MAX_CHAR_HANZIKU_2 (0x62000000 + 65536 * 2 + 65535)
+#define MIN_CHAR_HANZIKU_3 (0x62000000 + 65536 * 3)
+#define MAX_CHAR_HANZIKU_3 (0x62000000 + 65536 * 3 + 65535)
+#define MIN_CHAR_HANZIKU_4 (0x62000000 + 65536 * 4)
+#define MAX_CHAR_HANZIKU_4 (0x62000000 + 65536 * 4 + 65535)
+#define MIN_CHAR_HANZIKU_5 (0x62000000 + 65536 * 5)
+#define MAX_CHAR_HANZIKU_5 (0x62000000 + 65536 * 5 + 65535)
+#define MIN_CHAR_HANZIKU_6 (0x62000000 + 65536 * 6)
+#define MAX_CHAR_HANZIKU_6 (0x62000000 + 65536 * 6 + 65535)
+#define MIN_CHAR_HANZIKU_7 (0x62000000 + 65536 * 7)
+#define MAX_CHAR_HANZIKU_7 (0x62000000 + 65536 * 7 + 65535)
+#define MIN_CHAR_HANZIKU_8 (0x62000000 + 65536 * 8)
+#define MAX_CHAR_HANZIKU_8 (0x62000000 + 65536 * 8 + 65535)
+#define MIN_CHAR_HANZIKU_9 (0x62000000 + 65536 * 9)
+#define MAX_CHAR_HANZIKU_9 (0x62000000 + 65536 * 9 + 65535)
+#define MIN_CHAR_HANZIKU_10 (0x62000000 + 65536 * 10)
+#define MAX_CHAR_HANZIKU_10 (0x62000000 + 65536 * 10 + 65535)
+#define MIN_CHAR_HANZIKU_11 (0x62000000 + 65536 * 11)
+#define MAX_CHAR_HANZIKU_11 (0x62000000 + 65536 * 11 + 65535)
+#define MIN_CHAR_HANZIKU_12 (0x62000000 + 65536 * 12)
+#define MAX_CHAR_HANZIKU_12 (0x62000000 + 65536 * 12 + 65535)
+*/
+
+Emchar decode_builtin_char (Lisp_Object charset, int code_point);
+
+INLINE_HEADER Lisp_Object
+get_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code);
+INLINE_HEADER Lisp_Object
+get_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code)
+{
+ int byte_offset = XCHARSET_BYTE_OFFSET (ccs);
+
+ if (VECTORP (table))
+ {
+ int idx = code - byte_offset;
+
+ if (idx < XVECTOR_LENGTH(table))
+ return XVECTOR_DATA(table)[idx];
+ else
+ return Qunbound;
+ }
+ else
+ return table;
+}
+
+INLINE_HEADER Lisp_Object
+put_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code,
+ Lisp_Object value);
+INLINE_HEADER Lisp_Object
+put_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code,
+ Lisp_Object value)
+{
+ int byte_offset = XCHARSET_BYTE_OFFSET (ccs);
+ int ccs_len = XCHARSET_BYTE_SIZE (ccs);
+
+ if (VECTORP (table))
+ {
+ XVECTOR_DATA(table)[code - byte_offset] = value;
+ return table;
+ }
+ else if (EQ (table, value))
+ return table;
+ else
+ {
+ table = make_vector (ccs_len, table);
+ XVECTOR_DATA(table)[code - byte_offset] = value;
+ return table;
+ }
+}
+
+void
+decoding_table_put_char (Lisp_Object ccs,
+ int code_point, Lisp_Object character);
+
+INLINE_HEADER void
+decoding_table_remove_char (Lisp_Object ccs, int code_point);
+INLINE_HEADER void
+decoding_table_remove_char (Lisp_Object ccs, int code_point)
+{
+ decoding_table_put_char (ccs, code_point, Qunbound);
+}
+
+#ifdef HAVE_CHISE
+Emchar load_char_decoding_entry_maybe (Lisp_Object ccs, int code_point);
+#endif
+
+Emchar decode_defined_char (Lisp_Object charset, int code_point,
+ int without_inheritance);
+
+INLINE_HEADER Emchar
+DECODE_CHAR (Lisp_Object charset, int code_point, int without_inheritance);
+INLINE_HEADER Emchar
+DECODE_CHAR (Lisp_Object charset, int code_point, int without_inheritance)
+{
+ Emchar char_id
+ = decode_defined_char (charset, code_point, without_inheritance);
+
+ if (char_id >= 0)
+ return char_id;
+ else
+ return decode_builtin_char (charset, code_point);
+}
+
+/* Return a character whose charset is CHARSET and position-codes
+ are C1 and C2. TYPE9N character ignores C2. */
+
+INLINE_HEADER Emchar MAKE_CHAR (Lisp_Object charset, int c1, int c2);
+INLINE_HEADER Emchar
+MAKE_CHAR (Lisp_Object charset, int c1, int c2)
+{
+ if (XCHARSET_DIMENSION (charset) == 1)
+ return DECODE_CHAR (charset, c1, 0);
+ else
+ return DECODE_CHAR (charset, (c1 << 8) | c2, 0);
+}
+
+extern Lisp_Object Vcharacter_attribute_table;
+
+int encode_char_2 (Emchar ch, Lisp_Object* charset);
+int encode_builtin_char_1 (Emchar c, Lisp_Object* charset);
+int charset_code_point (Lisp_Object charset, Emchar ch, int defined_only);
+int range_charset_code_point (Lisp_Object charset, Emchar ch);
+
+extern Lisp_Object Vdefault_coded_charset_priority_list;
+extern Lisp_Object Vdisplay_coded_charset_priority_use_inheritance;
+extern Lisp_Object Vdisplay_coded_charset_priority_use_hierarchy_order;
+
+EXFUN (Ffind_charset, 1);
+
+INLINE_HEADER int encode_char_1 (Emchar ch, Lisp_Object* charset);
+INLINE_HEADER int
+encode_char_1 (Emchar ch, Lisp_Object* charset)
+{
+ Lisp_Object charsets = Vdefault_coded_charset_priority_list;
+
+ while (!NILP (charsets))
+ {
+ *charset = Ffind_charset (Fcar (charsets));
+ if (!NILP (*charset))
+ {
+ int code_point = charset_code_point (*charset, ch, 0);
+
+ if (code_point >= 0)
+ return code_point;
+ }
+ charsets = Fcdr (charsets);
+ }
+
+ /* otherwise --- maybe for bootstrap */
+ return encode_builtin_char_1 (ch, charset);
+}
+
+INLINE_HEADER int
+encode_char_2_search_children (Emchar ch, Lisp_Object* charset);
+INLINE_HEADER int
+encode_char_2_search_children (Emchar ch, Lisp_Object* charset)
+{
+ int code_point;
+ Lisp_Object rest;
+
+ rest = Fget_char_attribute (make_char (ch), Q_subsumptive, Qnil);
+ for ( ; !NILP (rest); rest = XCDR (rest) )
+ {
+ Lisp_Object c = XCAR (rest);
+
+ code_point = charset_code_point (*charset, XCHAR (c), 0);
+ if (code_point >= 0)
+ return code_point;
+ }
+ rest = Fget_char_attribute (make_char (ch), Q_denotational, Qnil);
+ for ( ; !NILP (rest); rest = XCDR (rest) )
+ {
+ Lisp_Object c = XCAR (rest);
+
+ code_point = charset_code_point (*charset, XCHAR (c), 0);
+ if (code_point >= 0)
+ return code_point;
+ }
+ return -1;
+}
+
+#define ENCODE_CHAR(ch, charset) encode_char_1 (ch, &(charset))
+
+INLINE_HEADER void
+breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2);
+INLINE_HEADER void
+breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2)
+{
+ int code_point = encode_char_1 (c, charset);
+
+ if (code_point >= 0)
+ {
+ int dim = XCHARSET_DIMENSION (*charset);
+
+ if (dim == 1)
+ {
+ *c1 = code_point;
+ *c2 = 0;
+ }
+ else /* if (dim == 2) */
+ {
+ *c1 = code_point >> 8;
+ *c2 = code_point & 255;
+ }
+ }
+ else{
+ *c1 = *c2 = 0;
+ }
+}
+
+#define BREAKUP_CHAR(ch, charset, b1, b2) \
+ breakup_char_1 (ch, &(charset), &(b1), &(b2))
+
+INLINE_HEADER Lisp_Object CHAR_CHARSET (Emchar ch);
+INLINE_HEADER Lisp_Object
+CHAR_CHARSET (Emchar ch)
+{
+ Lisp_Object charset;
+
+ ENCODE_CHAR (ch, charset);
+ return charset;
+}
+
+#define CHAR_CHARSET_ID(c) (XCHARSET_ID(CHAR_CHARSET(c)))
+#define CHAR_COLUMNS(c) (CHARSET_COLUMNS(XCHARSET(CHAR_CHARSET(c))))
+
+
+typedef struct Charc
+{
+ Lisp_Object charset;
+ int code_point;
+} Charc;
+
+INLINE_HEADER Charc CHAR_TO_CHARC (Emchar ch);
+INLINE_HEADER Charc
+CHAR_TO_CHARC (Emchar ch)
+{
+ Charc cc;
+
+ cc.code_point = encode_char_2 (ch, &cc.charset);
+ return cc;
+}
+
+#endif /* INCLUDED_char_ucs_h_ */
projects / chise / xemacs-chise.git- / blobdiff