#define CHAR_ASCII_P(ch) ((ch) <= 0x7F)
\f
-typedef struct
+DECLARE_LRECORD (char_byte_table, struct Lisp_Char_Byte_Table);
+#define XCHAR_BYTE_TABLE(x) \
+ XRECORD (x, char_byte_table, struct Lisp_Char_Byte_Table)
+#define XSETCHAR_BYTE_TABLE(x, p) XSETRECORD (x, p, char_byte_table)
+#define CHAR_BYTE_TABLE_P(x) RECORDP (x, char_byte_table)
+#define GC_CHAR_BYTE_TABLE_P(x) GC_RECORDP (x, char_byte_table)
+/* #define CHECK_CHAR_BYTE_TABLE(x) CHECK_RECORD (x, char_byte_table)
+ char table entries should never escape to Lisp */
+
+struct Lisp_Char_Byte_Table
{
- unsigned char *base;
- size_t offset;
- size_t size;
-} Emchar_to_byte_table;
+ struct lcrecord_header header;
+
+ Lisp_Object property[256];
+};
-unsigned char
-get_byte_from_character_table (Emchar ch, Emchar_to_byte_table* table);
+Lisp_Object get_char_code_table (Emchar ch, Lisp_Object table);
extern Lisp_Object Vcharset_ucs_bmp;
#define LEADING_BYTE_UCS_BMP 0x80
#define LEADING_BYTE_CONTROL_1 0x81 /* represent normal 80-9F */
-
+#define LEADING_BYTE_HIRAGANA_JISX0208 0x82
+#define LEADING_BYTE_KATAKANA_JISX0208 0x83
+#define LEADING_BYTE_LATIN_VISCII 0x84
#define CHARSET_ID_OFFSET_94 0x55
unsigned int graphic;
/* Byte->character mapping table */
- Emchar* decoding_table;
+ Lisp_Object decoding_table;
/* Character->byte mapping table */
- Emchar_to_byte_table* to_byte1_table;
- Emchar_to_byte_table* to_byte2_table;
+ Lisp_Object encoding_table;
/* Range of character code */
Emchar ucs_min, ucs_max;
- /* Offset for external representation */
+ /* Offset for external code */
Emchar code_offset;
+
+ /* Offset for each byte */
+ Emchar byte_offset;
};
DECLARE_LRECORD (charset, struct Lisp_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_TYPE_128X128 4 /* This charset includes 128x128 characters. */
-#define CHARSET_TYPE_256X256 5 /* This charset includes 256x256 characters. */
+#define CHARSET_TYPE_94 0 /* This charset includes 94 characters. */
+#define CHARSET_TYPE_94X94 1 /* This charset includes 94x94 characters. */
+#define CHARSET_TYPE_96 2 /* This charset includes 96 characters. */
+#define CHARSET_TYPE_96X96 3 /* This charset includes 96x96 characters. */
+#define CHARSET_TYPE_128 4 /* This charset includes 128 characters. */
+#define CHARSET_TYPE_128X128 5 /* This charset includes 128x128 characters. */
+#define CHARSET_TYPE_256 6 /* This charset includes 256 characters. */
+#define CHARSET_TYPE_256X256 7 /* This charset includes 256x256 characters. */
#define CHARSET_LEFT_TO_RIGHT 0
#define CHARSET_RIGHT_TO_LEFT 1
#define CHARSET_CHARS(cs) ((cs)->chars)
#define CHARSET_REVERSE_DIRECTION_CHARSET(cs) ((cs)->reverse_direction_charset)
#define CHARSET_DECODING_TABLE(cs) ((cs)->decoding_table)
-#define CHARSET_TO_BYTE1_TABLE(cs) ((cs)->to_byte1_table)
-#define CHARSET_TO_BYTE2_TABLE(cs) ((cs)->to_byte2_table)
+#define CHARSET_ENCODING_TABLE(cs) ((cs)->encoding_table)
#define CHARSET_UCS_MIN(cs) ((cs)->ucs_min)
#define CHARSET_UCS_MAX(cs) ((cs)->ucs_max)
#define CHARSET_CODE_OFFSET(cs) ((cs)->code_offset)
+#define CHARSET_BYTE_OFFSET(cs) ((cs)->byte_offset)
#define XCHARSET_ID(cs) CHARSET_ID (XCHARSET (cs))
#define XCHARSET_REVERSE_DIRECTION_CHARSET(cs) \
CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
#define XCHARSET_DECODING_TABLE(cs) CHARSET_DECODING_TABLE(XCHARSET(cs))
-#define XCHARSET_TO_BYTE1_TABLE(cs) CHARSET_TO_BYTE1_TABLE(XCHARSET(cs))
-#define XCHARSET_TO_BYTE2_TABLE(cs) CHARSET_TO_BYTE2_TABLE(XCHARSET(cs))
+#define XCHARSET_ENCODING_TABLE(cs) CHARSET_ENCODING_TABLE(XCHARSET(cs))
+#define XCHARSET_UCS_MIN(cs) CHARSET_UCS_MIN(XCHARSET(cs))
+#define XCHARSET_UCS_MAX(cs) CHARSET_UCS_MAX(XCHARSET(cs))
+#define XCHARSET_CODE_OFFSET(cs) CHARSET_CODE_OFFSET(XCHARSET(cs))
+#define XCHARSET_BYTE_OFFSET(cs) CHARSET_BYTE_OFFSET(XCHARSET(cs))
/* Table of charsets indexed by (leading byte - 128). */
extern Lisp_Object charset_by_leading_byte[NUM_LEADING_BYTES];
#define MIN_CHAR_THAI 0x0E00
#define MAX_CHAR_THAI 0x0E5F
+#define MIN_CHAR_HIRAGANA 0x3041
+#define MAX_CHAR_HIRAGANA 0x3093
+
+#define MIN_CHAR_KATAKANA 0x30A1
+#define MAX_CHAR_KATAKANA 0x30F6
+
#define MIN_CHAR_HALFWIDTH_KATAKANA 0xFF61
#define MAX_CHAR_HALFWIDTH_KATAKANA 0xFF9F
+#define MIN_CHAR_OBS_94x94 0xE00000
+#define MAX_CHAR_OBS_94x94 (0xE00000 + 94 * 94 * 14 - 1)
+
#define MIN_CHAR_94 0xE90940
#define MAX_CHAR_94 (MIN_CHAR_94 + 94 * 80 - 1)
#define MIN_CHAR_96 (MIN_CHAR_94 + 94 * 80)
INLINE Emchar
MAKE_CHAR (Lisp_Object charset, int c1, int c2)
{
- Emchar* decoding_table;
-
- if ((decoding_table = XCHARSET_DECODING_TABLE (charset)) != NULL)
- return decoding_table[c1 - (XCHARSET_CHARS (charset) == 94 ? 33 : 32)];
- else if (EQ (charset, Vcharset_katakana_jisx0201))
+ Lisp_Object decoding_table = XCHARSET_DECODING_TABLE (charset);
+ int idx;
+ Lisp_Object ch;
+
+ if (!EQ (decoding_table, Qnil)
+ && (0 <= (idx = c1 - XCHARSET_BYTE_OFFSET (charset)))
+ && (idx < XVECTOR_LENGTH (decoding_table))
+ && !EQ (ch = XVECTOR_DATA(decoding_table)[idx], Qnil))
+ {
+ if (VECTORP (ch))
+ {
+ if ((0 <= (idx = c2 - XCHARSET_BYTE_OFFSET (charset)))
+ && (idx < XVECTOR_LENGTH (ch))
+ && !EQ (ch = XVECTOR_DATA(ch)[idx], Qnil))
+ return XCHAR (ch);
+ }
+ else
+ return XCHAR (ch);
+ }
+ if (EQ (charset, Vcharset_katakana_jisx0201))
if (c1 < 0x60)
return c1 + MIN_CHAR_HALFWIDTH_KATAKANA - 33;
else
/* return MIN_CHAR_94 + ('I' - '0') * 94 + (c1 - 33); */
return ' ';
- else if (CHARSET_UCS_MAX (XCHARSET (charset)))
- return (XCHARSET_DIMENSION (charset) == 1
- ?
- c1 - CHARSET_CODE_OFFSET (XCHARSET (charset))
- :
- (c1 - CHARSET_CODE_OFFSET (XCHARSET (charset)))
- * XCHARSET_CHARS (charset)
- + c2 - CHARSET_CODE_OFFSET (XCHARSET (charset)))
- + CHARSET_UCS_MIN (XCHARSET (charset));
+ else if (XCHARSET_UCS_MAX (charset))
+ {
+ Emchar code
+ = (XCHARSET_DIMENSION (charset) == 1
+ ?
+ c1 - XCHARSET_BYTE_OFFSET (charset)
+ :
+ (c1 - XCHARSET_BYTE_OFFSET (charset)) * XCHARSET_CHARS (charset)
+ + c2 - XCHARSET_BYTE_OFFSET (charset))
+ - XCHARSET_CODE_OFFSET (charset) + XCHARSET_UCS_MIN (charset);
+ if ((code < XCHARSET_UCS_MIN (charset))
+ || (XCHARSET_UCS_MAX (charset) < code))
+ signal_simple_error ("Arguments makes invalid character",
+ make_char (code));
+ return code;
+ }
else if (XCHARSET_DIMENSION (charset) == 1)
{
switch (XCHARSET_CHARS (charset))
INLINE void
breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2)
{
- if (c < MIN_CHAR_94)
+ if (c < MIN_CHAR_OBS_94x94)
{
Lisp_Object charsets = Vdefault_coded_charset_priority_list;
while (!EQ (charsets, Qnil))
*c2 = c & 0xff;
}
}
+ else if (c <= MAX_CHAR_OBS_94x94)
+ {
+ *charset
+ = CHARSET_BY_ATTRIBUTES (CHARSET_TYPE_94X94,
+ ((c - MIN_CHAR_OBS_94x94) / (94 * 94)) + '@',
+ CHARSET_LEFT_TO_RIGHT);
+ *c1 = (((c - MIN_CHAR_OBS_94x94) / 94) % 94) + 33;
+ *c2 = ((c - MIN_CHAR_OBS_94x94) % 94) + 33;
+ }
else if (c <= MAX_CHAR_94)
{
*charset