extern unsigned char latin_a_char_to_byte1[128];
extern unsigned char latin_a_char_to_byte2[128];
+unsigned char charset_get_byte1 (Lisp_Object charset, Emchar ch);
+unsigned char charset_get_byte2 (Lisp_Object charset, Emchar ch);
+
+extern Lisp_Object Vdefault_preferred_coded_charset_list;
+EXFUN (Ffind_charset, 1);
+
INLINE void breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2);
INLINE void
breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2)
{
- if (c <= MAX_CHAR_BASIC_LATIN)
- {
- *charset = Vcharset_ascii;
- *c1 = c;
- *c2 = 0;
- }
- else if (c < 0xA0)
- {
- *charset = Vcharset_control_1;
- *c1 = c & 0x7f;
- *c2 = 0;
- }
- else if (c <= 0xff)
+ if (c < 0x100)
{
- *charset = Vcharset_latin_iso8859_1;
- *c1 = c & 0x7f;
- *c2 = 0;
+ Lisp_Object charsets = Vdefault_preferred_coded_charset_list;
+ while (!EQ (charsets, Qnil))
+ {
+ *charset = Ffind_charset (Fcar (charsets));
+ if (!EQ (*charset, Qnil)
+ && (*c1 = charset_get_byte1 (*charset, c)) )
+ {
+ *c2 = charset_get_byte2 (*charset, c);
+ return;
+ }
+ charsets = Fcdr (charsets);
+ }
+ /* otherwise */
+ if (c <= MAX_CHAR_BASIC_LATIN)
+ {
+ *charset = Vcharset_ascii;
+ *c1 = charset_get_byte1 (*charset, c);
+ *c2 = charset_get_byte2 (*charset, c);
+ }
+ else if (c < 0xA0)
+ {
+ *charset = Vcharset_control_1;
+ *c1 = charset_get_byte1 (*charset, c);
+ *c2 = charset_get_byte2 (*charset, c);
+ }
+ else if (c <= 0xff)
+ {
+ *charset = Vcharset_latin_iso8859_1;
+ *c1 = charset_get_byte1 (*charset, c);
+ *c2 = charset_get_byte2 (*charset, c);
+ }
+ else
+ {
+ *charset = Vcharset_ucs_bmp;
+ *c1 = c >> 8;
+ *c2 = c & 0xff;
+ }
}
else if (c <= 0x17f)
{
*charset
= CHARSET_BY_LEADING_BYTE (latin_a_char_to_charset[c - 0x100]);
- if (XCHARSET_DECODING_TABLE (*charset) != NULL)
+ if (XCHARSET_TO_BYTE1_TABLE (*charset) != NULL)
{
- *c1 =
- get_byte_from_character_table
- (c, XCHARSET_TO_BYTE1_TABLE(*charset));
- *c2 = 0;
+ *c1 = charset_get_byte1 (*charset, c);
+ *c2 = charset_get_byte2 (*charset, c);
}
else
{
}
else if (c < MIN_CHAR_GREEK)
{
- Lisp_Object charsets = list6 (Vcharset_latin_iso8859_2,
- Vcharset_latin_iso8859_3,
- Vcharset_latin_iso8859_4,
- Vcharset_latin_iso8859_9,
- Vcharset_latin_viscii_lower,
- Vcharset_latin_viscii_upper);
+ Lisp_Object charsets = Vdefault_preferred_coded_charset_list;
while (!EQ (charsets, Qnil))
{
- *charset = Fcar (charsets);
- if (XCHARSET_DECODING_TABLE (*charset) != NULL)
+ *charset = Ffind_charset (Fcar (charsets));
+ if (!EQ (*charset, Qnil)
+ && (*c1 = charset_get_byte1 (*charset, c)) )
{
- if ( (*c1 =
- get_byte_from_character_table
- (c, XCHARSET_TO_BYTE1_TABLE (*charset))) )
- {
- *c2 = 0;
- return;
- }
+ *c2 = charset_get_byte2 (*charset, c);
+ return;
}
charsets = Fcdr (charsets);
}
}
else if (c < MIN_CHAR_HALFWIDTH_KATAKANA)
{
- Lisp_Object charsets = list3 (Vcharset_latin_jisx0201,
- Vcharset_latin_viscii_lower,
- Vcharset_latin_viscii_upper);
+ Lisp_Object charsets = Vdefault_preferred_coded_charset_list;
while (!EQ (charsets, Qnil))
{
- *charset = Fcar (charsets);
- if (XCHARSET_DECODING_TABLE (*charset) != NULL)
+ *charset = Ffind_charset (Fcar (charsets));
+ if (!EQ (*charset, Qnil)
+ && (*c1 = charset_get_byte1 (*charset, c)) )
{
- if ( (*c1 =
- get_byte_from_character_table
- (c, XCHARSET_TO_BYTE1_TABLE (*charset))) )
- {
- *c2 = 0;
- return;
- }
+ *c2 = charset_get_byte2 (*charset, c);
+ return;
}
charsets = Fcdr (charsets);
}
/* Exported functions */
/************************************************************************/
-EXFUN (Ffind_charset, 1);
EXFUN (Fget_charset, 1);
extern Lisp_Object Vcharset_chinese_big5_1;