X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Fmb-utf-8.h;h=a683e7afc66e2065dc0013e14aad3c40992a5a54;hb=c3e6c84e9bbe713806f38e80f7549000171bbd3d;hp=2524e492746766309caaa5daf89128248939a0ee;hpb=d9ca7c8d810c2c90cdcd4dc6de29c1660be8ba08;p=chise%2Fxemacs-chise.git-

diff --git a/src/mb-utf-8.h b/src/mb-utf-8.h
index 2524e49..a683e7a 100644
--- a/src/mb-utf-8.h
+++ b/src/mb-utf-8.h
@@ -1,4 +1,4 @@
-/* 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.
 
@@ -19,11 +19,16 @@ 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>. */
+/* 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                     */
@@ -31,7 +36,8 @@ Boston, MA 02111-1307, USA.  */
 
 /* Does this byte represent the first byte of a character? */
 
-INLINE int
+INLINE_HEADER int BUFBYTE_FIRST_BYTE_P(Bufbyte c);
+INLINE_HEADER int
 BUFBYTE_FIRST_BYTE_P(Bufbyte c)
 {
   return (c <= 0x7f) || (0xc0 <= c);
@@ -46,6 +52,26 @@ BUFBYTE_FIRST_BYTE_P(Bufbyte c)
 
 #define CHAR_MULTIBYTE_P(c) ((c) >= 0x80)
 
-#define CHAR_ASCII_P(c) (!CHAR_MULTIBYTE_P (c))
+
+INLINE_HEADER int REP_BYTES_BY_FIRST_BYTE (int fb);
+INLINE_HEADER 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;
+}
+
+
+#include "mb-multibyte.h"
 
 #endif /* _XEMACS_MB_UTF_8_H */