#define MIN_CHARSET_PRIVATE_DIMENSION1 LEADING_CODE_EXT_11
#define MIN_CHARSET_PRIVATE_DIMENSION2 LEADING_CODE_EXT_21
+/* Maximum value of overall charset identification number. */
+#define MAX_CHARSET 0xFE
+
/* Definition of special charsets. */
#define CHARSET_ASCII 0
#define CHARSET_COMPOSITION 0x80
We provide these macros for efficiency. No range check of CHARSET. */
/* Return entry of CHARSET (lisp integer) in Vcharset_table. */
-#define CHARSET_TABLE_ENTRY(charset) \
- XCHAR_TABLE (Vcharset_table)->contents[charset]
+#define CHARSET_TABLE_ENTRY(charset) \
+ XCHAR_TABLE (Vcharset_table)->contents[((charset) == CHARSET_ASCII \
+ ? 0 : (charset) + 128)]
/* Return information INFO-IDX of CHARSET. */
#define CHARSET_TABLE_INFO(charset, info_idx) \
#define CHARSET_VALID_P(charset) \
((charset) == 0 \
|| ((charset) >= 0x80 && (charset) <= MAX_CHARSET_OFFICIAL_DIMENSION2) \
- || ((charset) >= MIN_CHARSET_PRIVATE_DIMENSION1 && (charset) < MAX_CHARSET))
+ || ((charset) >= MIN_CHARSET_PRIVATE_DIMENSION1 && (charset) <= MAX_CHARSET))
/* 1 if CHARSET is already defined, else 0. */
#define CHARSET_DEFINED_P(charset) \
- (((charset) >= 0) && ((charset) < MAX_CHARSET) \
+ (((charset) >= 0) && ((charset) <= MAX_CHARSET) \
&& !NILP (CHARSET_TABLE_ENTRY (charset)))
/* Since the information CHARSET-BYTES and CHARSET-WIDTH of
/* The charset of non-ASCII character C is set to CHARSET, and the
position-codes of C are set to C1 and C2. C2 of DIMENSION1 character
- is 0. */
+ is -1. */
#define SPLIT_NON_ASCII_CHAR(c, charset, c1, c2) \
((c) < MIN_CHAR_OFFICIAL_DIMENSION2 \
? (charset = CHAR_FIELD2 (c) + 0x70, \
c1 = CHAR_FIELD3 (c), \
- c2 = 0) \
+ c2 = -1) \
: (charset = ((c) < MIN_CHAR_COMPOSITION \
? (CHAR_FIELD1 (c) \
+ ((c) < MIN_CHAR_PRIVATE_DIMENSION2 ? 0x8F : 0xE0)) \
/* The charset of character C is set to CHARSET, and the
position-codes of C are set to C1 and C2. C2 of DIMENSION1 character
- is 0. */
+ is -1. */
#define SPLIT_CHAR(c, charset, c1, c2) \
(SINGLE_BYTE_CHAR_P (c) \
- ? charset = CHARSET_ASCII, c1 = (c), c2 = 0 \
+ ? charset = CHARSET_ASCII, c1 = (c), c2 = -1 \
: SPLIT_NON_ASCII_CHAR (c, charset, c1, c2))
/* The charset of the character at STR is set to CHARSET, and the
- position-codes are set to C1 and C2. C2 of DIMENSION1 character is 0.
+ position-codes are set to C1 and C2. C2 of DIMENSION1 character is -1.
If the character is a composite character, the upper 7-bit and
lower 7-bit of CMPCHAR-ID are set in C1 and C2 respectively. No
range checking. */
? c1 = *(str), charset = CHARSET_ASCII \
: charset)
-#define MAX_CHARSET 0xFF
-
/* Mapping table from ISO2022's charset (specified by DIMENSION,
CHARS, and FINAL_CHAR) to Emacs' charset. Should be accessed by
macro ISO_CHARSET_TABLE (DIMENSION, CHARS, FINAL_CHAR). */
/* This is the maximum length of multi-byte form. */
#define MAX_LENGTH_OF_MULTI_BYTE_FORM (MAX_COMPONENT_COUNT * 6)
-#endif /* _CHARSET_H */
+/* Maximum character code currently used. */
+#define MAX_CHAR (MIN_CHAR_COMPOSITION + n_cmpchars)
+extern int unify_char ();
+
+#endif /* _CHARSET_H */