X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Fchar-1byte.h;h=d31c89c3b825d339b1387330b7fe1417969fac2e;hb=c8ef7e5f09e40bc537785e77b6163622a1d66d6d;hp=7a3724273d221e382b716b4a221e27e37f6f546f;hpb=fc9aa002e3cfea376b53836fccc1f0232fd83807;p=chise%2Fxemacs-chise.git-

diff --git a/src/char-1byte.h b/src/char-1byte.h
index 7a37242..d31c89c 100644
--- a/src/char-1byte.h
+++ b/src/char-1byte.h
@@ -1,6 +1,5 @@
-/* Header for UCS-4 character representation.
-   Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
-   Licensed to the Free Software Foundation.
+/* Header for 1-byte character representation.
+   Copyright (C) 1999,2000 MORIOKA Tomohiko
 
 This file is part of XEmacs.
 
@@ -26,4 +25,85 @@ Boston, MA 02111-1307, USA.  */
 
 #define valid_char_p(ch) ((unsigned int) (ch) <= 0xff)
 
+
+/************************************************************************/
+/*                    Definition of leading bytes                       */
+/************************************************************************/
+
+typedef unsigned char Charset_ID;
+
+#define MIN_LEADING_BYTE 0x80
+#define LEADING_BYTE_ASCII 0x80
+#define NUM_LEADING_BYTES 1
+
+#define Vcharset_ascii Qnil
+#define Vcharset_control_1 Qnil
+#define Vcharset_latin_iso8859_1 Qnil
+
+
+/************************************************************************/
+/*            Information about a particular character set              */
+/************************************************************************/
+
+#define CHARSETP(cs) 1
+#define CHARSET_BY_LEADING_BYTE(lb) Vcharset_ascii
+#define XCHARSET_LEADING_BYTE(cs) LEADING_BYTE_ASCII
+#define XCHARSET_GRAPHIC(cs) -1
+#define XCHARSET_COLUMNS(cs) 1
+#define XCHARSET_DIMENSION(cs) 1
+
+
+/************************************************************************/
+/*                        Dealing with characters                       */
+/************************************************************************/
+
+INLINE_HEADER Emchar DECODE_CHAR (Lisp_Object charset, int code_point);
+INLINE_HEADER Emchar
+DECODE_CHAR (Lisp_Object charset, int code_point)
+{
+  return code_point;
+}
+
+INLINE_HEADER int encode_char_1 (Emchar ch, Lisp_Object* charset);
+INLINE_HEADER int
+encode_char_1 (Emchar ch, Lisp_Object* charset)
+{
+  *charset = Vcharset_ascii;
+  return  ch;
+}
+
+#define ENCODE_CHAR(ch, charset)	encode_char_1 (ch, &(charset))
+
+#define CHAR_CHARSET(ch) Vcharset_ascii
+#define CHAR_LEADING_BYTE(ch) LEADING_BYTE_ASCII
+
+#define BREAKUP_CHAR(ch, charset, byte1, byte2) do {	\
+  (charset) = Vcharset_ascii;				\
+  (byte1) = (ch);					\
+  (byte2) = 0;						\
+} while (0)
+
+
+typedef struct Charc
+{
+  Lisp_Object charset;
+  unsigned char code_point;
+} Charc;
+
+INLINE_HEADER Charc CHAR_TO_CHARC (Emchar ch);
+INLINE_HEADER Charc
+CHAR_TO_CHARC (Emchar ch)
+{
+  Charc cc;
+
+  cc.charset = Vcharset_ascii;
+  cc.code_point = ch;
+  return cc;
+}
+
+
+/************************************************************************/
+/*                            Exported functions                        */
+/************************************************************************/
+
 #endif /* _XEMACS_CHAR_1BYTE_H */