-/* Header for UTF-8 buffer/string representation.
+/* Header for UTF-8 string representation.
Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
Licensed to the Free Software Foundation.
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/* Rewritten by MORIOKA Tomohiko <tomo@m17n.org>. */
+/* Author: MORIOKA Tomohiko <tomo@m17n.org>. */
#ifndef _XEMACS_MB_UTF_8_H
#define _XEMACS_MB_UTF_8_H
+#define MULTIBYTE
+
+/* Maximum number of buffer bytes per Emacs character. */
+#define MAX_EMCHAR_LEN 6
+
/************************************************************************/
/* Operations on individual bytes */
/* in a Mule-formatted string */
/************************************************************************/
-/* Does this byte represent the first byte of a character? */
+/* Does BYTE represent the first byte of a character? */
-INLINE int
-BUFBYTE_FIRST_BYTE_P(Bufbyte c)
+INLINE_HEADER int BUFBYTE_FIRST_BYTE_P(Bufbyte byte);
+INLINE_HEADER int
+BUFBYTE_FIRST_BYTE_P(Bufbyte byte)
{
- return (c <= 0x7f) || (0xc0 <= c);
+ return (byte <= 0x7F) || (0xC0 <= byte);
}
\f
#define CHAR_MULTIBYTE_P(c) ((c) >= 0x80)
+
+INLINE_HEADER int REP_BYTES_BY_FIRST_BYTE (Bufbyte fb);
+INLINE_HEADER int
+REP_BYTES_BY_FIRST_BYTE (Bufbyte 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;
+}
+
+
+#include "mb-multibyte.h"
+
#endif /* _XEMACS_MB_UTF_8_H */