/* Definition of leading bytes */
/************************************************************************/
/* Definition of leading bytes */
/************************************************************************/
#define MIN_LEADING_BYTE 0x80
/* These need special treatment in a string and/or character */
#define LEADING_BYTE_ASCII 0x8E /* Omitted in a buffer */
#define MIN_LEADING_BYTE 0x80
/* These need special treatment in a string and/or character */
#define LEADING_BYTE_ASCII 0x8E /* Omitted in a buffer */
#define LEADING_BYTE_COMPOSITE 0x80 /* for a composite character */
#define LEADING_BYTE_CONTROL_1 0x8F /* represent normal 80-9F */
#define LEADING_BYTE_COMPOSITE 0x80 /* for a composite character */
#define LEADING_BYTE_CONTROL_1 0x8F /* represent normal 80-9F */
#define CHARSET_REP_BYTES(cs) ((cs)->rep_bytes)
#define CHARSET_COLUMNS(cs) ((cs)->columns)
#define CHARSET_GRAPHIC(cs) ((cs)->graphic)
#define CHARSET_REP_BYTES(cs) ((cs)->rep_bytes)
#define CHARSET_COLUMNS(cs) ((cs)->columns)
#define CHARSET_GRAPHIC(cs) ((cs)->graphic)
#define XCHARSET_ID(cs) CHARSET_ID (XCHARSET (cs))
#define XCHARSET_NAME(cs) CHARSET_NAME (XCHARSET (cs))
#define XCHARSET_ID(cs) CHARSET_ID (XCHARSET (cs))
#define XCHARSET_NAME(cs) CHARSET_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_REP_BYTES(cs) CHARSET_REP_BYTES (XCHARSET (cs))
#define XCHARSET_COLUMNS(cs) CHARSET_COLUMNS (XCHARSET (cs))
#define XCHARSET_GRAPHIC(cs) CHARSET_GRAPHIC (XCHARSET (cs))
CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
/* Table of charsets indexed by (leading byte - 128). */
CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
/* Table of charsets indexed by (leading byte - 128). */
/* Table of charsets indexed by type/final-byte/direction. */
extern Lisp_Object charset_by_attributes[4][128][2];
/* Table of charsets indexed by type/final-byte/direction. */
extern Lisp_Object charset_by_attributes[4][128][2];
- assert (lb >= 0x80 && lb <= 0xFF);
- return charset_by_leading_byte[lb - 128];
+ assert (lb >= MIN_LEADING_BYTE &&
+ lb < (MIN_LEADING_BYTE + NUM_LEADING_BYTES));
+ return charset_by_leading_byte[lb - MIN_LEADING_BYTE];
/* Dealing with characters */
/************************************************************************/
/* Dealing with characters */
/************************************************************************/
-/* Is this character represented by more than one byte in a string? */
-
-#define CHAR_MULTIBYTE_P(c) ((c) >= 0x80)
-
-#define CHAR_ASCII_P(c) (!CHAR_MULTIBYTE_P (c))
+#define CHAR_ASCII_P(ch) ((ch) <= 0x7F)
/* The bit fields of character are divided into 3 parts:
FIELD1(5bits):FIELD2(7bits):FIELD3(7bits) */
/* The bit fields of character are divided into 3 parts:
FIELD1(5bits):FIELD2(7bits):FIELD3(7bits) */
else if (EQ (charset, Vcharset_composite))
return (0x1F << 14) | ((c1) << 7) | (c2);
else if (EQ (charset, Vcharset_composite))
return (0x1F << 14) | ((c1) << 7) | (c2);
else if (XCHARSET_DIMENSION (charset) == 1)
return ((XCHARSET_LEADING_BYTE (charset) -
FIELD2_TO_OFFICIAL_LEADING_BYTE) << 7) | (c1);
else if (XCHARSET_DIMENSION (charset) == 1)
return ((XCHARSET_LEADING_BYTE (charset) -
FIELD2_TO_OFFICIAL_LEADING_BYTE) << 7) | (c1);
/************************************************************************/
/* Composite characters */
/************************************************************************/
Emchar lookup_composite_char (Bufbyte *str, int len);
Lisp_Object composite_char_string (Emchar ch);
/************************************************************************/
/* Composite characters */
/************************************************************************/
Emchar lookup_composite_char (Bufbyte *str, int len);
Lisp_Object composite_char_string (Emchar ch);