(LEADING_BYTE_CHINESE_CCITT_GB): New macro.
authortomo <tomo>
Thu, 10 Jun 1999 14:53:52 +0000 (14:53 +0000)
committertomo <tomo>
Thu, 10 Jun 1999 14:53:52 +0000 (14:53 +0000)
(LEADING_BYTE_CHINESE_BIG5_1): Changed to 0x96 temporally.
(LEADING_BYTE_CHINESE_CNS11643_1): Changed to 0x97.
(LEADING_BYTE_CHINESE_CNS11643_2): Changed to 0x98.
(LEADING_BYTE_CHINESE_CNS11643_3): New macro.
(LEADING_BYTE_CHINESE_CNS11643_4): Likewise.
(LEADING_BYTE_CHINESE_CNS11643_5): Likewise.
(LEADING_BYTE_CHINESE_CNS11643_6): Likewise.
(LEADING_BYTE_CHINESE_CNS11643_7): Likewise [but not used].
(LEADING_BYTE_CHINESE_BIG5_2): Changed to 0x9D temporally.
(LEADING_BYTE_KOREAN_KPS9566): New macro [but not used].
(CHAR_FIELD1_MASK): Changed to (0x7F << 14).
(MIN_CHAR_GREEK): New macro.
(MAX_CHAR_GREEK): New macro.
(MIN_CHAR_CYRILLIC): New macro.
(MAX_CHAR_CYRILLIC): New macro.
(MIN_CHAR_HEBREW): New macro.
(MAX_CHAR_HEBREW): New macro.
(MIN_CHAR_THAI): New macro.
(MAX_CHAR_THAI): New macro.
(MIN_CHAR_HALFWIDTH_KATAKANA): New macro.
(MAX_CHAR_HALFWIDTH_KATAKANA): New macro.
(CHAR_FIELD2_INTERNAL): New macro [renamed from `CHAR_FIELD2'.
(CHAR_FIELD3_INTERNAL): New macro [renamed from `CHAR_FIELD3'.
(FIELD1_TO_PRIVATE_LEADING_BYTE): Changed to 0xc0.
(FIELD1_TO_OFFICIAL_LEADING_BYTE): Changed to 0x50.
(CHAR_FIELD2): New inline function.
(CHAR_FIELD3): New inline function.
(MULE_CHAR_PRIVATE_OFFSET): New macro.
(MIN_CHAR_OFFICIAL_TYPE9N): Shifted to `MULE_CHAR_PRIVATE_OFFSET'.
(MIN_CHAR_PRIVATE_TYPE9N): Likewise.
(MIN_CHAR_PRIVATE_TYPE9NX9N): Likewise.
(MIN_CHAR_OFFICIAL_TYPE9NX9N): Likewise.
(MIN_CHAR_COMPOSITION): Likewise.
(CHAR_LEADING_BYTE): Modified for character representation change.
(MAKE_CHAR): Likewise.

src/mule-charset.h

index 5ee9061..0efe357 100644 (file)
@@ -357,15 +357,17 @@ Boston, MA 02111-1307, USA.  */
 #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_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 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 MIN_LEADING_BYTE_OFFICIAL_2    LEADING_BYTE_JAPANESE_JISX0208_1978
 #define MAX_LEADING_BYTE_OFFICIAL_2    LEADING_BYTE_CHINESE_BIG5_2
@@ -607,15 +609,30 @@ REP_BYTES_BY_FIRST_BYTE (int fb)
 /* The bit fields of character are divided into 3 parts:
    FIELD1(5bits):FIELD2(7bits):FIELD3(7bits) */
 
-#define CHAR_FIELD1_MASK (0x1F << 14)
+#define CHAR_FIELD1_MASK (0x7F << 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(c) (((c) & CHAR_FIELD2_MASK) >> 7)
-#define CHAR_FIELD3(c)  ((c) & CHAR_FIELD3_MASK)
+#define CHAR_FIELD2_INTERNAL(c) (((c) & CHAR_FIELD2_MASK) >> 7)
+#define CHAR_FIELD3_INTERNAL(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
@@ -626,8 +643,49 @@ REP_BYTES_BY_FIRST_BYTE (int fb)
 #define FIELD2_TO_OFFICIAL_LEADING_BYTE 0x80
 #define FIELD2_TO_PRIVATE_LEADING_BYTE  0x80
 
-#define FIELD1_TO_OFFICIAL_LEADING_BYTE 0x8F
-#define FIELD1_TO_PRIVATE_LEADING_BYTE  0xE1
+#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);
+}
 
 /* Minimum and maximum allowed values for the fields. */
 
@@ -653,11 +711,18 @@ REP_BYTES_BY_FIRST_BYTE (int fb)
 
 /* Minimum character code of each <type> character.  */
 
-#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)
+#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))
 
 /* Leading byte of a character.
 
@@ -674,12 +739,24 @@ CHAR_LEADING_BYTE (Emchar c)
     return LEADING_BYTE_ASCII;
   else if (c < 0xA0)
     return LEADING_BYTE_CONTROL_1;
-  else if (c < MIN_CHAR_OFFICIAL_TYPE9NX9N)
-    return CHAR_FIELD2 (c) + FIELD2_TO_OFFICIAL_LEADING_BYTE;
+  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_FIELD1 (c) + FIELD1_TO_OFFICIAL_LEADING_BYTE;
-  else if (c < MIN_CHAR_COMPOSITION)
+    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_FIELD1 (c) + FIELD1_TO_OFFICIAL_LEADING_BYTE;
   else
     {
 #ifdef ENABLE_COMPOSITE_CHARS
@@ -709,19 +786,37 @@ MAKE_CHAR (Lisp_Object charset, int c1, int c2)
     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 ((XCHARSET_LEADING_BYTE (charset) -
-            FIELD2_TO_OFFICIAL_LEADING_BYTE) << 7) | (c1);
+    return MULE_CHAR_PRIVATE_OFFSET
+      | ((XCHARSET_LEADING_BYTE (charset) -
+         FIELD2_TO_OFFICIAL_LEADING_BYTE) << 7) | (c1);
   else if (!XCHARSET_PRIVATE_P (charset))
-    return ((XCHARSET_LEADING_BYTE (charset) -
-            FIELD1_TO_OFFICIAL_LEADING_BYTE) << 14) | ((c1) << 7) | (c2);
+    return MULE_CHAR_PRIVATE_OFFSET
+      | ((XCHARSET_LEADING_BYTE (charset) -
+         FIELD1_TO_OFFICIAL_LEADING_BYTE) << 14) | ((c1) << 7) | (c2);
   else
-    return ((XCHARSET_LEADING_BYTE (charset) -
-            FIELD1_TO_PRIVATE_LEADING_BYTE) << 14) | ((c1) << 7) | (c2);
+    return MULE_CHAR_PRIVATE_OFFSET
+      | ((XCHARSET_LEADING_BYTE (charset) -
+         FIELD1_TO_PRIVATE_LEADING_BYTE) << 14) | ((c1) << 7) | (c2);
 }
 
 /* The charset of character C is set to CHARSET, and the