--- /dev/null
+/* Header for UCS-4 character representation.
+ Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
+ Licensed to the Free Software Foundation.
+
+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. */
+
+/* Rewritten by MORIOKA Tomohiko <tomo@m17n.org>. */
+
+#ifndef _XEMACS_CHAR_UCS_H
+#define _XEMACS_CHAR_UCS_H
+
+/* ---------------------------- */
+/* (D) For working with Emchars */
+/* ---------------------------- */
+
+#define valid_char_p(ch) 1
+
+#define CHAR_ASCII_P(c) ((c) <= 0x7F)
+
+\f
+/************************************************************************/
+/* Definition of leading bytes */
+/************************************************************************/
+
+typedef int Charset_ID;
+
+#define MIN_LEADING_BYTE 0x80
+
+#define LEADING_BYTE_UCS_BMP 0x80
+#define LEADING_BYTE_CONTROL_1 0x81 /* represent normal 80-9F */
+
+
+#define CHARSET_ID_OFFSET_94 0x60
+
+#define MIN_CHARSET_ID_PRIVATE_94 (CHARSET_ID_OFFSET_94 + '0')
+#define MAX_CHARSET_ID_PRIVATE_94 (CHARSET_ID_OFFSET_94 + '?')
+
+/* ISO 646 IRV */
+#define LEADING_BYTE_ASCII (CHARSET_ID_OFFSET_94 + 'B')
+
+/* Right half of JIS X0201-1976 */
+#define LEADING_BYTE_KATAKANA_JISX0201 (CHARSET_ID_OFFSET_94 + 'I')
+
+/* Left half of JIS X0201-1976 */
+#define LEADING_BYTE_LATIN_JISX0201 (CHARSET_ID_OFFSET_94 + 'J')
+
+
+#define CHARSET_ID_OFFSET_96 0x70
+
+/* Right half of ISO 8859-1 */
+#define LEADING_BYTE_LATIN_ISO8859_1 (CHARSET_ID_OFFSET_96 + 'A')
+
+/* Right half of ISO 8859-2 */
+#define LEADING_BYTE_LATIN_ISO8859_2 (CHARSET_ID_OFFSET_96 + 'B')
+
+/* Right half of ISO 8859-3 */
+#define LEADING_BYTE_LATIN_ISO8859_3 (CHARSET_ID_OFFSET_96 + 'C')
+
+/* Right half of ISO 8859-4 */
+#define LEADING_BYTE_LATIN_ISO8859_4 (CHARSET_ID_OFFSET_96 + 'D')
+
+/* Right half of ISO 8859-7 */
+#define LEADING_BYTE_GREEK_ISO8859_7 (CHARSET_ID_OFFSET_96 + 'F')
+
+/* Right half of ISO 8859-6 */
+#define LEADING_BYTE_ARABIC_ISO8859_6 (CHARSET_ID_OFFSET_96 + 'G')
+
+/* Right half of ISO 8859-8 */
+#define LEADING_BYTE_HEBREW_ISO8859_8 (CHARSET_ID_OFFSET_96 + 'H')
+
+/* Right half of ISO 8859-5 */
+#define LEADING_BYTE_CYRILLIC_ISO8859_5 (CHARSET_ID_OFFSET_96 + 'L')
+
+/* Right half of ISO 8859-9 */
+#define LEADING_BYTE_LATIN_ISO8859_9 (CHARSET_ID_OFFSET_96 + 'M')
+
+/* TIS620-2533 */
+#define LEADING_BYTE_THAI_TIS620 (CHARSET_ID_OFFSET_96 + 'T')
+
+
+#define MIN_LEADING_BYTE_PRIVATE_1 0xD0
+#define MAX_LEADING_BYTE_PRIVATE_1 0xDF
+
+
+#define CHARSET_ID_OFFSET_94x94 0xB0
+
+/* Big5 Level 1 */
+#define LEADING_BYTE_CHINESE_BIG5_1 ('0' + CHARSET_ID_OFFSET_94x94)
+
+/* Big5 Level 2 */
+#define LEADING_BYTE_CHINESE_BIG5_2 ('1' + CHARSET_ID_OFFSET_94x94)
+
+#define MIN_LEADING_BYTE_PRIVATE_2 ('0' + CHARSET_ID_OFFSET_94x94)
+#define MAX_LEADING_BYTE_PRIVATE_2 ('?' + CHARSET_ID_OFFSET_94x94)
+
+/* Japanese JIS X0208-1978 */
+#define LEADING_BYTE_JAPANESE_JISX0208_1978 \
+ ('@' + CHARSET_ID_OFFSET_94x94)
+
+/* Chinese Hanzi GB2312-1980 */
+#define LEADING_BYTE_CHINESE_GB2312 ('A' + CHARSET_ID_OFFSET_94x94)
+
+/* Japanese JIS X0208-1983 */
+#define LEADING_BYTE_JAPANESE_JISX0208 ('B' + CHARSET_ID_OFFSET_94x94)
+
+/* Hangul KS C5601-1987 */
+#define LEADING_BYTE_KOREAN_KSC5601 ('C' + CHARSET_ID_OFFSET_94x94)
+
+/* Japanese JIS X0212-1990 */
+#define LEADING_BYTE_JAPANESE_JISX0212 ('D' + CHARSET_ID_OFFSET_94x94)
+
+/* CCITT Extended GB */
+#define LEADING_BYTE_CHINESE_CCITT_GB ('E' + CHARSET_ID_OFFSET_94x94)
+
+/* Chinese CNS11643 Set 1 */
+#define LEADING_BYTE_CHINESE_CNS11643_1 ('G' + CHARSET_ID_OFFSET_94x94)
+
+/* Chinese CNS11643 Set 2 */
+#define LEADING_BYTE_CHINESE_CNS11643_2 ('H' + CHARSET_ID_OFFSET_94x94)
+
+/* Chinese CNS11643 Set 3 */
+#define LEADING_BYTE_CHINESE_CNS11643_3 ('I' + CHARSET_ID_OFFSET_94x94)
+
+/* Chinese CNS11643 Set 4 */
+#define LEADING_BYTE_CHINESE_CNS11643_4 ('J' + CHARSET_ID_OFFSET_94x94)
+
+/* Chinese CNS11643 Set 5 */
+#define LEADING_BYTE_CHINESE_CNS11643_5 ('K' + CHARSET_ID_OFFSET_94x94)
+
+/* Chinese CNS11643 Set 6 */
+#define LEADING_BYTE_CHINESE_CNS11643_6 ('L' + CHARSET_ID_OFFSET_94x94)
+
+/* Chinese CNS11643 Set 7 */
+#define LEADING_BYTE_CHINESE_CNS11643_7 ('M' + CHARSET_ID_OFFSET_94x94)
+
+/* DPRK Hangul KPS 9566-1997 */
+#define LEADING_BYTE_KOREAN_KPS9566 ('N' + CHARSET_ID_OFFSET_94x94)
+
+#define MIN_LEADING_BYTE_OFFICIAL_2 LEADING_BYTE_JAPANESE_JISX0208_1978
+#define MAX_LEADING_BYTE_OFFICIAL_2 LEADING_BYTE_KOREAN_KPS9566
+
+#define NUM_LEADING_BYTES 256
+
+\f
+/************************************************************************/
+/* Operations on individual bytes */
+/* of any format */
+/************************************************************************/
+
+/* Argument `c' should be (unsigned int) or (unsigned char). */
+/* Note that SP and DEL are not included. */
+
+#define BYTE_ASCII_P(c) ((c) < 0x80)
+#define BYTE_C0_P(c) ((c) < 0x20)
+/* Do some forced casting just to make *sure* things are gotten right. */
+#define BYTE_C1_P(c) ((unsigned int) ((unsigned int) (c) - 0x80) < 0x20)
+
+\f
+/************************************************************************/
+/* Information about a particular character set */
+/************************************************************************/
+
+struct Lisp_Charset
+{
+ struct lcrecord_header header;
+
+ int id;
+ Lisp_Object name;
+ Lisp_Object doc_string, registry, short_name, 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 bytes (1 - 4) required in the internal representation
+ for characters in this character set. This is *not* the
+ same as the dimension of the character set). */
+ unsigned int rep_bytes;
+
+ /* 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;
+
+ /* Type of this character set (94, 96, 94x94, 96x96) */
+ unsigned int type;
+
+ /* Number of bytes used in encoding of this character set (1 or 2) */
+ unsigned int dimension;
+
+ /* Number of chars in each dimension (usually 94 or 96) */
+ unsigned int chars;
+
+ /* Which half of font to be used to display this character set */
+ unsigned int graphic;
+};
+
+DECLARE_LRECORD (charset, struct Lisp_Charset);
+#define XCHARSET(x) XRECORD (x, charset, struct Lisp_Charset)
+#define XSETCHARSET(x, p) XSETRECORD (x, p, charset)
+#define CHARSETP(x) RECORDP (x, charset)
+#define GC_CHARSETP(x) GC_RECORDP (x, charset)
+#define CHECK_CHARSET(x) CHECK_RECORD (x, charset)
+#define CONCHECK_CHARSET(x) CONCHECK_RECORD (x, charset)
+
+#define CHARSET_TYPE_94 0 /* This charset includes 94 characters. */
+#define CHARSET_TYPE_96 1 /* This charset includes 96 characters. */
+#define CHARSET_TYPE_94X94 2 /* This charset includes 94x94 characters. */
+#define CHARSET_TYPE_96X96 3 /* This charset includes 96x96 characters. */
+#define CHARSET_TYPE_128X128 4 /* This charset includes 128x128 characters. */
+#define CHARSET_TYPE_256X256 5 /* This charset includes 256x256 characters. */
+
+#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) ((Bufbyte)(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_REP_BYTES(cs) ((cs)->rep_bytes)
+#define CHARSET_COLUMNS(cs) ((cs)->columns)
+#define CHARSET_GRAPHIC(cs) ((cs)->graphic)
+#define CHARSET_TYPE(cs) ((cs)->type)
+#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 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_REP_BYTES(cs) CHARSET_REP_BYTES (XCHARSET (cs))
+#define XCHARSET_COLUMNS(cs) CHARSET_COLUMNS (XCHARSET (cs))
+#define XCHARSET_GRAPHIC(cs) CHARSET_GRAPHIC (XCHARSET (cs))
+#define XCHARSET_TYPE(cs) CHARSET_TYPE (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_REVERSE_DIRECTION_CHARSET(cs) \
+ CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
+
+/* Table of charsets indexed by (leading byte - 128). */
+extern Lisp_Object charset_by_leading_byte[NUM_LEADING_BYTES];
+
+/* Table of charsets indexed by type/final-byte. */
+extern Lisp_Object charset_by_attributes[4][128];
+
+#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 Lisp_Object CHARSET_BY_LEADING_BYTE (Charset_ID lb);
+INLINE Lisp_Object
+CHARSET_BY_LEADING_BYTE (Charset_ID lb)
+{
+ assert (lb >= MIN_LEADING_BYTE &&
+ lb < (MIN_LEADING_BYTE + NUM_LEADING_BYTES));
+ return charset_by_leading_byte[lb - MIN_LEADING_BYTE];
+}
+
+#else
+
+#define CHARSET_BY_LEADING_BYTE(lb) \
+ (charset_by_leading_byte[(lb) - MIN_LEADING_BYTE])
+
+#endif
+
+#define CHARSET_BY_ATTRIBUTES(type, final, dir) \
+ (charset_by_attributes[type][final])
+
+INLINE int REP_BYTES_BY_FIRST_BYTE (int fb);
+INLINE int
+REP_BYTES_BY_FIRST_BYTE (int fb)
+{
+ if ( fb < 0xc0 )
+ return 1;
+ else if ( fb < 0xe0 )
+ return 2;
+ else if ( fb < 0xf0 )
+ return 3;
+ else if ( fb < 0xf8 )
+ return 4;
+ else if ( fb < 0xfc )
+ return 5;
+ else
+ return 6;
+}
+
+\f
+/************************************************************************/
+/* Dealing with characters */
+/************************************************************************/
+
+#define MAX_CHAR_BASIC_LATIN 0x007F
+
+#define MIN_CHAR_GREEK 0x0370
+#define MAX_CHAR_GREEK 0x03CF
+
+#define MIN_CHAR_CYRILLIC 0x0400
+#define MAX_CHAR_CYRILLIC 0x045F
+
+#define MIN_CHAR_HEBREW 0x0590
+#define MAX_CHAR_HEBREW 0x05EF
+
+#define MIN_CHAR_THAI 0x0E00
+#define MAX_CHAR_THAI 0x0E5F
+
+#define MIN_CHAR_HALFWIDTH_KATAKANA 0xFF60
+#define MAX_CHAR_HALFWIDTH_KATAKANA 0xFF9F
+
+#define MIN_CHAR_94 0xE90940
+#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 MAX_CHAR_94x94 (MIN_CHAR_94x94 + 94 * 94 * 80 - 1)
+#define MIN_CHAR_96x96 0xF4C000
+#define MAX_CHAR_96x96 (MIN_CHAR_96x96 + 96 * 96 * 80 - 1)
+
+
+/* Return a character whose charset is CHARSET and position-codes
+ are C1 and C2. TYPE9N character ignores C2.
+
+ NOTE: This takes advantage of the fact that
+ FIELD2_TO_OFFICIAL_LEADING_BYTE and
+ FIELD2_TO_PRIVATE_LEADING_BYTE are the same.
+ */
+
+INLINE Emchar MAKE_CHAR (Lisp_Object charset, int c1, int c2);
+INLINE Emchar
+MAKE_CHAR (Lisp_Object charset, int c1, int c2)
+{
+ if (EQ (charset, Vcharset_ascii))
+ return c1;
+ else if (EQ (charset, Vcharset_control_1))
+ return c1 | 0x80;
+ else if (EQ (charset, Vcharset_latin_iso8859_1))
+ return c1 | 0x80;
+ else if (EQ (charset, Vcharset_greek_iso8859_7))
+ return c1 + MIN_CHAR_GREEK - 0x20;
+ else if (EQ (charset, Vcharset_cyrillic_iso8859_5))
+ return c1 + MIN_CHAR_CYRILLIC - 0x20;
+ else if (EQ (charset, Vcharset_hebrew_iso8859_8))
+ return c1 + MIN_CHAR_HEBREW - 0x20;
+ else if (EQ (charset, Vcharset_thai_tis620))
+ return c1 + MIN_CHAR_THAI - 0x20;
+ else if (EQ (charset, Vcharset_katakana_jisx0201))
+ if (c1 < 0x60)
+ return c1 + MIN_CHAR_HALFWIDTH_KATAKANA - 0x20;
+ else
+ return 32;
+ else if (XCHARSET_DIMENSION (charset) == 1)
+ {
+ switch (XCHARSET_CHARS (charset))
+ {
+ case 94:
+ return MIN_CHAR_94
+ + (XCHARSET_FINAL (charset) - '0') * 94 + (c1 - 33);
+ case 96:
+ return MIN_CHAR_96
+ + (XCHARSET_FINAL (charset) - '0') * 96 + (c1 - 32);
+ default:
+ abort ();
+ }
+ }
+ else
+ {
+ switch (XCHARSET_CHARS (charset))
+ {
+ case 94:
+ return MIN_CHAR_94x94
+ + (XCHARSET_FINAL (charset) - '0') * 94 * 94
+ + (c1 - 33) * 94 + (c2 - 33);
+ case 96:
+ return MIN_CHAR_96x96
+ + (XCHARSET_FINAL (charset) - '0') * 96 * 96
+ + (c1 - 32) * 96 + (c2 - 32);
+ default:
+ abort ();
+ }
+ }
+}
+
+extern Charset_ID latin_a_char_to_charset[128];
+extern unsigned char latin_a_char_to_byte1[128];
+extern unsigned char latin_a_char_to_byte2[128];
+
+INLINE void breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2);
+INLINE void
+breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2)
+{
+ if (c <= MAX_CHAR_BASIC_LATIN)
+ {
+ *charset = Vcharset_ascii;
+ *c1 = c;
+ *c2 = 0;
+ }
+ else if (c < 0xA0)
+ {
+ *charset = Vcharset_control_1;
+ *c1 = c & 0x7f;
+ *c2 = 0;
+ }
+ else if (c <= 0xff)
+ {
+ *charset = Vcharset_latin_iso8859_1;
+ *c1 = c & 0x7f;
+ *c2 = 0;
+ }
+ else if (c <= 0x17f)
+ {
+ *charset
+ = CHARSET_BY_LEADING_BYTE (latin_a_char_to_charset[c - 0x100]);
+ *c1 = latin_a_char_to_byte1[c - 0x100];
+ *c2 = latin_a_char_to_byte2[c - 0x100];
+ }
+ else if (c < MIN_CHAR_GREEK)
+ {
+ printf("not break up u+%x", c);
+ abort ();
+ }
+ else if (c <= MAX_CHAR_GREEK)
+ {
+ *charset = Vcharset_greek_iso8859_7;
+ *c1 = c - MIN_CHAR_GREEK + 0x20;
+ *c2 = 0;
+ }
+ else if (c < MIN_CHAR_CYRILLIC)
+ {
+ printf("not break up u+%x", c);
+ abort ();
+ }
+ else if (c <= MAX_CHAR_CYRILLIC)
+ {
+ *charset = Vcharset_cyrillic_iso8859_5;
+ *c1 = c - MIN_CHAR_CYRILLIC + 0x20;
+ *c2 = 0;
+ }
+ else if (c < MIN_CHAR_HEBREW)
+ {
+ printf("not break up u+%x", c);
+ abort ();
+ }
+ else if (c <= MAX_CHAR_HEBREW)
+ {
+ *charset = Vcharset_hebrew_iso8859_8;
+ *c1 = c - MIN_CHAR_HEBREW + 0x20;
+ *c2 = 0;
+ }
+ else if (c < MIN_CHAR_THAI)
+ {
+ printf("not break up u+%x", c);
+ abort ();
+ }
+ else if (c <= MAX_CHAR_THAI)
+ {
+ *charset = Vcharset_thai_tis620;
+ *c1 = c - MIN_CHAR_THAI + 0x20;
+ *c2 = 0;
+ }
+ else if (c < MIN_CHAR_HALFWIDTH_KATAKANA)
+ {
+ printf("not break up u+%x", c);
+ abort ();
+ }
+ else if (c <= MAX_CHAR_HALFWIDTH_KATAKANA)
+ {
+ *charset = Vcharset_katakana_jisx0201;
+ *c1 = c - MIN_CHAR_HALFWIDTH_KATAKANA + 0x20;
+ *c2 = 0;
+ }
+ else if (c <= MAX_CHAR_94)
+ {
+ *charset
+ = CHARSET_BY_ATTRIBUTES (CHARSET_TYPE_94,
+ ((c - MIN_CHAR_94) / 94) + '0',
+ CHARSET_LEFT_TO_RIGHT);
+ *c1 = ((c - MIN_CHAR_94) % 94) + 33;
+ *c2 = 0;
+ }
+ else if (c <= MAX_CHAR_96)
+ {
+ *charset
+ = CHARSET_BY_ATTRIBUTES (CHARSET_TYPE_96,
+ ((c - MIN_CHAR_96) / 96) + '0',
+ CHARSET_LEFT_TO_RIGHT);
+ *c1 = ((c - MIN_CHAR_96) % 96) + 32;
+ *c2 = 0;
+ }
+ else if (c <= MAX_CHAR_94x94)
+ {
+ *charset
+ = CHARSET_BY_ATTRIBUTES (CHARSET_TYPE_94X94,
+ ((c - MIN_CHAR_94x94) / (94 * 94)) + '0',
+ CHARSET_LEFT_TO_RIGHT);
+ *c1 = (((c - MIN_CHAR_94x94) / 94) % 94) + 33;
+ *c2 = ((c - MIN_CHAR_94x94) % 94) + 33;
+ }
+ else if (c <= MAX_CHAR_96x96)
+ {
+ *charset
+ = CHARSET_BY_ATTRIBUTES (CHARSET_TYPE_96X96,
+ ((c - MIN_CHAR_96x96) / (96 * 96)) + '0',
+ CHARSET_LEFT_TO_RIGHT);
+ *c1 = (((c - MIN_CHAR_96x96) / 96) % 96) + 32;
+ *c2 = ((c - MIN_CHAR_96x96) % 96) + 32;
+ }
+ else
+ {
+ printf("u+%x", c);
+ abort();
+ }
+}
+
+#define BREAKUP_CHAR(c, charset, c1, c2) \
+ breakup_char_1 (c, &(charset), &(c1), &(c2))
+
+INLINE Lisp_Object CHAR_CHARSET (Emchar c);
+INLINE Lisp_Object
+CHAR_CHARSET (Emchar c)
+{
+ Lisp_Object charset;
+ int c1, c2;
+
+ BREAKUP_CHAR(c, charset, c1, c2);
+ return charset;
+}
+
+#define CHAR_LEADING_BYTE(c) (XCHARSET_LEADING_BYTE(CHAR_CHARSET(c)))
+
+\f
+#ifdef ENABLE_COMPOSITE_CHARS
+/************************************************************************/
+/* Composite characters */
+/************************************************************************/
+
+Emchar lookup_composite_char (Bufbyte *str, int len);
+Lisp_Object composite_char_string (Emchar ch);
+#endif /* ENABLE_COMPOSITE_CHARS */
+
+\f
+/************************************************************************/
+/* Exported functions */
+/************************************************************************/
+
+EXFUN (Ffind_charset, 1);
+EXFUN (Fget_charset, 1);
+
+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_jisx0212;
+
+Emchar Lstream_get_emchar_1 (Lstream *stream, int first_char);
+int Lstream_fput_emchar (Lstream *stream, Emchar ch);
+void Lstream_funget_emchar (Lstream *stream, Emchar ch);
+
+int copy_internal_to_external (CONST Bufbyte *internal, Bytecount len,
+ unsigned char *external);
+Bytecount copy_external_to_internal (CONST unsigned char *external,
+ int len, Bufbyte *internal);
+
+#endif /* _XEMACS_CHAR_UCS_H */