- /* Final byte of this character set in ISO2022 designating escape sequence */
- Bufbyte final;
-
- /* Number of bytes (1 - 4) required in the internal representation
- for characters in this character set. This is *not* the
- same as the dimension of the character set). */
- unsigned int rep_bytes;
-
- /* Number of columns a character in this charset takes up, on TTY
- devices. Not used for X devices. */
- unsigned int columns;
-
- /* Direction of this character set */
- unsigned int direction;
-
- /* Type of this character set (94, 96, 94x94, 96x96) */
- unsigned int type;
-
- /* Number of bytes used in encoding of this character set (1 or 2) */
- unsigned int dimension;
-
- /* Number of chars in each dimension (usually 94 or 96) */
- unsigned int chars;
-
- /* Which half of font to be used to display this character set */
- unsigned int graphic;
-};
-
-DECLARE_LRECORD (charset, struct Lisp_Charset);
-#define XCHARSET(x) XRECORD (x, charset, struct Lisp_Charset)
-#define XSETCHARSET(x, p) XSETRECORD (x, p, charset)
-#define CHARSETP(x) RECORDP (x, charset)
-#define GC_CHARSETP(x) GC_RECORDP (x, charset)
-#define CHECK_CHARSET(x) CHECK_RECORD (x, charset)
-#define CONCHECK_CHARSET(x) CONCHECK_RECORD (x, charset)
-
-#define CHARSET_TYPE_94 0 /* This charset includes 94 characters. */
-#define CHARSET_TYPE_96 1 /* This charset includes 96 characters. */
-#define CHARSET_TYPE_94X94 2 /* This charset includes 94x94 characters. */
-#define CHARSET_TYPE_96X96 3 /* This charset includes 96x96 characters. */
-
-#define CHARSET_LEFT_TO_RIGHT 0
-#define CHARSET_RIGHT_TO_LEFT 1
-
-/* Leading byte and id have been regrouped. -- OG */
-#define CHARSET_ID(cs) ((cs)->id)
-#define CHARSET_LEADING_BYTE(cs) ((Bufbyte)(CHARSET_ID(cs)))
-#define CHARSET_NAME(cs) ((cs)->name)
-#define CHARSET_SHORT_NAME(cs) ((cs)->short_name)
-#define CHARSET_LONG_NAME(cs) ((cs)->long_name)
-#define CHARSET_REP_BYTES(cs) ((cs)->rep_bytes)
-#define CHARSET_COLUMNS(cs) ((cs)->columns)
-#define CHARSET_GRAPHIC(cs) ((cs)->graphic)
-#define CHARSET_TYPE(cs) ((cs)->type)
-#define CHARSET_DIRECTION(cs) ((cs)->direction)
-#define CHARSET_FINAL(cs) ((cs)->final)
-#define CHARSET_DOC_STRING(cs) ((cs)->doc_string)
-#define CHARSET_REGISTRY(cs) ((cs)->registry)
-#define CHARSET_CCL_PROGRAM(cs) ((cs)->ccl_program)
-#define CHARSET_DIMENSION(cs) ((cs)->dimension)
-#define CHARSET_CHARS(cs) ((cs)->chars)
-#define CHARSET_REVERSE_DIRECTION_CHARSET(cs) ((cs)->reverse_direction_charset)
-
-
-#define CHARSET_PRIVATE_P(cs) LEADING_BYTE_PRIVATE_P (CHARSET_LEADING_BYTE (cs))
-
-#define XCHARSET_ID(cs) CHARSET_ID (XCHARSET (cs))
-#define XCHARSET_NAME(cs) CHARSET_NAME (XCHARSET (cs))
-#define XCHARSET_SHORT_NAME(cs) CHARSET_SHORT_NAME (XCHARSET (cs))
-#define XCHARSET_LONG_NAME(cs) CHARSET_LONG_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_TYPE(cs) CHARSET_TYPE (XCHARSET (cs))
-#define XCHARSET_DIRECTION(cs) CHARSET_DIRECTION (XCHARSET (cs))
-#define XCHARSET_FINAL(cs) CHARSET_FINAL (XCHARSET (cs))
-#define XCHARSET_DOC_STRING(cs) CHARSET_DOC_STRING (XCHARSET (cs))
-#define XCHARSET_REGISTRY(cs) CHARSET_REGISTRY (XCHARSET (cs))
-#define XCHARSET_LEADING_BYTE(cs) CHARSET_LEADING_BYTE (XCHARSET (cs))
-#define XCHARSET_CCL_PROGRAM(cs) CHARSET_CCL_PROGRAM (XCHARSET (cs))
-#define XCHARSET_DIMENSION(cs) CHARSET_DIMENSION (XCHARSET (cs))
-#define XCHARSET_CHARS(cs) CHARSET_CHARS (XCHARSET (cs))
-#define XCHARSET_PRIVATE_P(cs) CHARSET_PRIVATE_P (XCHARSET (cs))
-#define XCHARSET_REVERSE_DIRECTION_CHARSET(cs) \
- CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
-
-/* Table of charsets indexed by (leading byte - 128). */
-extern Lisp_Object charset_by_leading_byte[128];
-
-/* Table of charsets indexed by type/final-byte/direction. */
-extern Lisp_Object charset_by_attributes[4][128][2];
-
-/* Table of number of bytes in the string representation of a character
- indexed by the first byte of that representation.
-
- This value can be derived other ways -- e.g. something like
-
- (BYTE_ASCII_P (first_byte) ? 1 :
- XCHARSET_REP_BYTES (CHARSET_BY_LEADING_BYTE (first_byte)))
-
- but it's faster this way. */
-extern Bytecount rep_bytes_by_first_byte[0xA0];
-
-#ifdef ERROR_CHECK_TYPECHECK
-/* int not Bufbyte even though that is the actual type of a leading byte.
- This way, out-ot-range values will get caught rather than automatically
- truncated. */
-INLINE Lisp_Object CHARSET_BY_LEADING_BYTE (int lb);
-INLINE Lisp_Object
-CHARSET_BY_LEADING_BYTE (int lb)
-{
- assert (lb >= 0x80 && lb <= 0xFF);
- return charset_by_leading_byte[lb - 128];
-}
-
-#else
-
-#define CHARSET_BY_LEADING_BYTE(lb) (charset_by_leading_byte[(lb) - 128])
-
-#endif