/* Definition of leading bytes */
/************************************************************************/
+typedef int Charset_ID;
+
#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_JAPANESE_JISX0208 0x92 /* Japanese JIS X0208-1983 */
#define LEADING_BYTE_KOREAN_KSC5601 0x93 /* Hangul KS C5601-1987 */
#define LEADING_BYTE_JAPANESE_JISX0212 0x94 /* Japanese JIS X0212-1990 */
-#define LEADING_BYTE_CHINESE_CCITT_GB 0x95 /* CCITT Extended GB */
-#define LEADING_BYTE_CHINESE_BIG5_1 0x96 /* Big5 Level 1 */
-#define LEADING_BYTE_CHINESE_CNS11643_1 0x97 /* Chinese CNS11643 Set 1 */
-#define LEADING_BYTE_CHINESE_CNS11643_2 0x98 /* Chinese CNS11643 Set 2 */
-#define LEADING_BYTE_CHINESE_CNS11643_3 0x99 /* Chinese CNS11643 Set 3 */
-#define LEADING_BYTE_CHINESE_CNS11643_4 0x9A /* Chinese CNS11643 Set 4 */
-#define LEADING_BYTE_CHINESE_CNS11643_5 0x9B /* Chinese CNS11643 Set 5 */
-#define LEADING_BYTE_CHINESE_CNS11643_6 0x9C /* Chinese CNS11643 Set 6 */
-#define LEADING_BYTE_CHINESE_CNS11643_7 0x9D /* Chinese CNS11643 Set 7 */
-#define LEADING_BYTE_CHINESE_BIG5_2 0x9D /* Big5 Level 2 */
-#define LEADING_BYTE_KOREAN_KPS9566 0x9E /* DPRK Hangul KPS 9566-1997 */
+#define LEADING_BYTE_CHINESE_CNS11643_1 0x95 /* Chinese CNS11643 Set 1 */
+#define LEADING_BYTE_CHINESE_CNS11643_2 0x96 /* Chinese CNS11643 Set 2 */
+#define LEADING_BYTE_CHINESE_BIG5_1 0x97 /* Big5 Level 1 */
+#define LEADING_BYTE_CHINESE_BIG5_2 0x98 /* Big5 Level 2 */
+ /* 0x99 unused */
+ /* 0x9A unused */
+ /* 0x9B unused */
+ /* 0x9C unused */
+ /* 0x9D unused */
#define MIN_LEADING_BYTE_OFFICIAL_2 LEADING_BYTE_JAPANESE_JISX0208_1978
#define MAX_LEADING_BYTE_OFFICIAL_2 LEADING_BYTE_CHINESE_BIG5_2
CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
/* Table of charsets indexed by (leading byte - 128). */
-extern Lisp_Object charset_by_leading_byte[128];
+extern Lisp_Object charset_by_leading_byte[NUM_LEADING_BYTES];
/* Table of charsets indexed by type/final-byte/direction. */
extern Lisp_Object charset_by_attributes[4][128][2];
INLINE Lisp_Object
CHARSET_BY_LEADING_BYTE (int lb)
{
- 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];
}
#else
-#define CHARSET_BY_LEADING_BYTE(lb) (charset_by_leading_byte[(lb) - 128])
+#define CHARSET_BY_LEADING_BYTE(lb) \
+ (charset_by_leading_byte[(lb) - MIN_LEADING_BYTE])
#endif
/* 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) */
-#define CHAR_FIELD1_MASK (0x7F << 14)
+#define CHAR_FIELD1_MASK (0x1F << 14)
#define CHAR_FIELD2_MASK (0x7F << 7)
#define CHAR_FIELD3_MASK 0x7F
-#define MIN_CHAR_GREEK 0x0370
-#define MAX_CHAR_GREEK 0x03CF
-
-#define MIN_CHAR_CYRILLIC 0x0400
-#define MAX_CHAR_CYRILLIC 0x045F
-
-#define MIN_CHAR_HEBREW 0x0590
-#define MAX_CHAR_HEBREW 0x05EF
-
-#define MIN_CHAR_THAI 0x0E00
-#define MAX_CHAR_THAI 0x0E5F
-
-#define MIN_CHAR_HALFWIDTH_KATAKANA 0xFF60
-#define MAX_CHAR_HALFWIDTH_KATAKANA 0xFF9F
-
/* Macros to access each field of a character code of C. */
#define CHAR_FIELD1(c) (((c) & CHAR_FIELD1_MASK) >> 14)
-#define CHAR_FIELD2_INTERNAL(c) (((c) & CHAR_FIELD2_MASK) >> 7)
-#define CHAR_FIELD3_INTERNAL(c) ((c) & CHAR_FIELD3_MASK)
+#define CHAR_FIELD2(c) (((c) & CHAR_FIELD2_MASK) >> 7)
+#define CHAR_FIELD3(c) ((c) & CHAR_FIELD3_MASK)
/* Field 1, if non-zero, usually holds a leading byte for a
dimension-2 charset. Field 2, if non-zero, usually holds a leading
#define FIELD2_TO_OFFICIAL_LEADING_BYTE 0x80
#define FIELD2_TO_PRIVATE_LEADING_BYTE 0x80
-#define FIELD1_TO_PRIVATE_LEADING_BYTE 0xc0
-#define FIELD1_TO_OFFICIAL_LEADING_BYTE 0x50
-
-INLINE Emchar
-CHAR_FIELD2 (Emchar c)
-{
- if( (MIN_CHAR_GREEK <= c) && (c <= MAX_CHAR_GREEK) )
- return LEADING_BYTE_GREEK_ISO8859_7
- - FIELD2_TO_OFFICIAL_LEADING_BYTE;
- else if( (MIN_CHAR_CYRILLIC <= c) && (c <= MAX_CHAR_CYRILLIC) )
- return LEADING_BYTE_CYRILLIC_ISO8859_5
- - FIELD2_TO_OFFICIAL_LEADING_BYTE;
- else if( (MIN_CHAR_HEBREW <= c) && (c <= MAX_CHAR_HEBREW) )
- return LEADING_BYTE_HEBREW_ISO8859_8
- - FIELD2_TO_OFFICIAL_LEADING_BYTE;
- else if( (MIN_CHAR_THAI <= c) && (c <= MAX_CHAR_THAI) )
- return LEADING_BYTE_THAI_TIS620
- - FIELD2_TO_OFFICIAL_LEADING_BYTE;
- else if( (MIN_CHAR_HALFWIDTH_KATAKANA <= c)
- && (c <= MAX_CHAR_HALFWIDTH_KATAKANA) )
- return LEADING_BYTE_KATAKANA_JISX0201
- - FIELD2_TO_OFFICIAL_LEADING_BYTE;
- else
- return CHAR_FIELD2_INTERNAL(c);
-}
-
-INLINE Emchar
-CHAR_FIELD3 (Emchar c)
-{
- if( (MIN_CHAR_GREEK <= c) && (c <= MAX_CHAR_GREEK) )
- return c - MIN_CHAR_GREEK + 0x20;
- else if( (MIN_CHAR_CYRILLIC <= c) && (c <= MAX_CHAR_CYRILLIC) )
- return c - MIN_CHAR_CYRILLIC + 0x20;
- else if( (MIN_CHAR_HEBREW <= c) && (c <= MAX_CHAR_HEBREW) )
- return c - MIN_CHAR_HEBREW + 0x20;
- else if( (MIN_CHAR_THAI <= c) && (c <= MAX_CHAR_THAI) )
- return c - MIN_CHAR_THAI + 0x20;
- else if( (MIN_CHAR_HALFWIDTH_KATAKANA <= c)
- && (c <= MAX_CHAR_HALFWIDTH_KATAKANA) )
- return c - MIN_CHAR_HALFWIDTH_KATAKANA + 0x20;
- else
- return CHAR_FIELD3_INTERNAL(c);
-}
+#define FIELD1_TO_OFFICIAL_LEADING_BYTE 0x8F
+#define FIELD1_TO_PRIVATE_LEADING_BYTE 0xE1
/* Minimum and maximum allowed values for the fields. */
/* Minimum character code of each <type> character. */
-#define MULE_CHAR_PRIVATE_OFFSET (0xe0 << 16)
-
-#define MIN_CHAR_OFFICIAL_TYPE9N \
- (MULE_CHAR_PRIVATE_OFFSET | (MIN_CHAR_FIELD2_OFFICIAL << 7))
-#define MIN_CHAR_PRIVATE_TYPE9N \
- (MULE_CHAR_PRIVATE_OFFSET | (MIN_CHAR_FIELD2_PRIVATE << 7))
-#define MIN_CHAR_PRIVATE_TYPE9NX9N \
- (MULE_CHAR_PRIVATE_OFFSET | (MIN_CHAR_FIELD1_PRIVATE << 14))
-#define MIN_CHAR_OFFICIAL_TYPE9NX9N \
- (MULE_CHAR_PRIVATE_OFFSET | (MIN_CHAR_FIELD1_OFFICIAL << 14))
-#define MIN_CHAR_COMPOSITION \
- (MULE_CHAR_PRIVATE_OFFSET | (0x7f << 14))
+#define MIN_CHAR_OFFICIAL_TYPE9N (MIN_CHAR_FIELD2_OFFICIAL << 7)
+#define MIN_CHAR_PRIVATE_TYPE9N (MIN_CHAR_FIELD2_PRIVATE << 7)
+#define MIN_CHAR_OFFICIAL_TYPE9NX9N (MIN_CHAR_FIELD1_OFFICIAL << 14)
+#define MIN_CHAR_PRIVATE_TYPE9NX9N (MIN_CHAR_FIELD1_PRIVATE << 14)
+#define MIN_CHAR_COMPOSITION (0x1F << 14)
/* Leading byte of a character.
return LEADING_BYTE_ASCII;
else if (c < 0xA0)
return LEADING_BYTE_CONTROL_1;
- else if (c <= 0xff)
- return LEADING_BYTE_LATIN_ISO8859_1;
- else if (c <= MAX_CHAR_GREEK)
- return LEADING_BYTE_GREEK_ISO8859_7;
- else if (c <= MAX_CHAR_CYRILLIC)
- return LEADING_BYTE_CYRILLIC_ISO8859_5;
- else if (c <= MAX_CHAR_HEBREW)
- return LEADING_BYTE_HEBREW_ISO8859_8;
- else if (c <= MAX_CHAR_THAI)
- return LEADING_BYTE_THAI_TIS620;
- else if (c <= MAX_CHAR_HALFWIDTH_KATAKANA)
- return LEADING_BYTE_KATAKANA_JISX0201;
- else if (c < MIN_CHAR_PRIVATE_TYPE9NX9N)
- return CHAR_FIELD2 (c) + FIELD2_TO_OFFICIAL_LEADING_BYTE;
else if (c < MIN_CHAR_OFFICIAL_TYPE9NX9N)
- return CHAR_FIELD1 (c) + FIELD1_TO_PRIVATE_LEADING_BYTE;
- else if (c < MIN_CHAR_COMPOSITION)
+ return CHAR_FIELD2 (c) + FIELD2_TO_OFFICIAL_LEADING_BYTE;
+ else if (c < MIN_CHAR_PRIVATE_TYPE9NX9N)
return CHAR_FIELD1 (c) + FIELD1_TO_OFFICIAL_LEADING_BYTE;
+ else if (c < MIN_CHAR_COMPOSITION)
+ return CHAR_FIELD1 (c) + FIELD1_TO_PRIVATE_LEADING_BYTE;
else
{
#ifdef ENABLE_COMPOSITE_CHARS
return c1;
else if (EQ (charset, Vcharset_control_1))
return c1 | 0x80;
- else if (EQ (charset, Vcharset_latin_iso8859_1))
- return c1 | 0x80;
- else if (EQ (charset, Vcharset_greek_iso8859_7))
- return c1 + MIN_CHAR_GREEK - 0x20;
- else if (EQ (charset, Vcharset_cyrillic_iso8859_5))
- return c1 + MIN_CHAR_CYRILLIC - 0x20;
- else if (EQ (charset, Vcharset_hebrew_iso8859_8))
- return c1 + MIN_CHAR_HEBREW - 0x20;
- else if (EQ (charset, Vcharset_thai_tis620))
- return c1 + MIN_CHAR_THAI - 0x20;
- else if (EQ (charset, Vcharset_katakana_jisx0201))
- if (c1 < 0x60)
- return c1 + MIN_CHAR_HALFWIDTH_KATAKANA - 0x20;
- else
- return 32;
#ifdef ENABLE_COMPOSITE_CHARS
else if (EQ (charset, Vcharset_composite))
return (0x1F << 14) | ((c1) << 7) | (c2);
#endif
else if (XCHARSET_DIMENSION (charset) == 1)
- return MULE_CHAR_PRIVATE_OFFSET
- | ((XCHARSET_LEADING_BYTE (charset) -
- FIELD2_TO_OFFICIAL_LEADING_BYTE) << 7) | (c1);
+ return ((XCHARSET_LEADING_BYTE (charset) -
+ FIELD2_TO_OFFICIAL_LEADING_BYTE) << 7) | (c1);
else if (!XCHARSET_PRIVATE_P (charset))
- return MULE_CHAR_PRIVATE_OFFSET
- | ((XCHARSET_LEADING_BYTE (charset) -
- FIELD1_TO_OFFICIAL_LEADING_BYTE) << 14) | ((c1) << 7) | (c2);
+ return ((XCHARSET_LEADING_BYTE (charset) -
+ FIELD1_TO_OFFICIAL_LEADING_BYTE) << 14) | ((c1) << 7) | (c2);
else
- return MULE_CHAR_PRIVATE_OFFSET
- | ((XCHARSET_LEADING_BYTE (charset) -
- FIELD1_TO_PRIVATE_LEADING_BYTE) << 14) | ((c1) << 7) | (c2);
+ return ((XCHARSET_LEADING_BYTE (charset) -
+ FIELD1_TO_PRIVATE_LEADING_BYTE) << 14) | ((c1) << 7) | (c2);
}
/* The charset of character C is set to CHARSET, and the
projects / chise / xemacs-chise.git- / blobdiff