1 /* Header for UTF-8 string representation.
2 Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
3 Licensed to the Free Software Foundation.
5 This file is part of XEmacs.
7 XEmacs is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 2, or (at your option) any
12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with XEmacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* Author: MORIOKA Tomohiko <tomo@m17n.org>. */
24 #ifndef _XEMACS_MB_UTF_8_H
25 #define _XEMACS_MB_UTF_8_H
29 /* Maximum number of buffer bytes per Emacs character. */
30 #define MAX_EMCHAR_LEN 6
32 /************************************************************************/
33 /* Operations on individual bytes */
34 /* in a Mule-formatted string */
35 /************************************************************************/
37 /* Does this byte represent the first byte of a character? */
40 BUFBYTE_FIRST_BYTE_P(Bufbyte c)
42 return (c <= 0x7f) || (0xc0 <= c);
46 /************************************************************************/
47 /* Dealing with characters */
48 /************************************************************************/
50 /* Is this character represented by more than one byte in a string? */
52 #define CHAR_MULTIBYTE_P(c) ((c) >= 0x80)
55 INLINE int REP_BYTES_BY_FIRST_BYTE (int fb);
57 REP_BYTES_BY_FIRST_BYTE (int fb)
74 #include "mb-multibyte.h"
76 #endif /* _XEMACS_MB_UTF_8_H */