/* Which half of font to be used to display this character set */
unsigned int graphic;
- /* byte->character mapping table */
+ /* Byte->character mapping table */
Emchar* decoding_table;
- /* character->byte mapping table */
+ /* Character->byte mapping table */
Emchar_to_byte_table* to_byte1_table;
Emchar_to_byte_table* to_byte2_table;
+
+ /* Range of character code */
+ Emchar ucs_min, ucs_max;
+
+ /* Offset for external representation */
+ Emchar code_offset;
};
DECLARE_LRECORD (charset, struct Lisp_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_UCS_MIN(cs) ((cs)->ucs_min)
+#define CHARSET_UCS_MAX(cs) ((cs)->ucs_max)
+#define CHARSET_CODE_OFFSET(cs) ((cs)->code_offset)
#define XCHARSET_ID(cs) CHARSET_ID (XCHARSET (cs))
if ((decoding_table = XCHARSET_DECODING_TABLE (charset)) != NULL)
return decoding_table[c1 - (XCHARSET_CHARS (charset) == 94 ? 33 : 32)];
- else if (EQ (charset, Vcharset_ascii))
- return c1;
- else if (EQ (charset, Vcharset_control_1))
- return c1 | 0x80;
- else if (EQ (charset, Vcharset_ucs_bmp))
- return (c1 << 8) | c2;
- else if (EQ (charset, Vcharset_latin_iso8859_1))
- return c1 | 0x80;
- else if (EQ (charset, Vcharset_cyrillic_iso8859_5))
- return c1 + MIN_CHAR_CYRILLIC - 0x20;
- else if (EQ (charset, Vcharset_greek_iso8859_7))
- return c1 + MIN_CHAR_GREEK - 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 MIN_CHAR_94 + ('I' - '0') * 94 + (c1 - 33); */
return ' ';
+ else if (CHARSET_UCS_MAX (XCHARSET (charset)))
+ return c1 - CHARSET_CODE_OFFSET (XCHARSET (charset))
+ + CHARSET_UCS_MIN (XCHARSET (charset));
else if (XCHARSET_DIMENSION (charset) == 1)
{
switch (XCHARSET_CHARS (charset))
}
}
-extern Charset_ID latin_a_char_to_charset[128];
-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);
INLINE void
breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2)
{
- if (c < 0x100)
+ if (c < MIN_CHAR_94)
{
Lisp_Object charsets = Vdefault_coded_charset_priority_list;
while (!EQ (charsets, Qnil))
}
charsets = Fcdr (charsets);
}
- /* otherwise */
+ /* otherwise --- maybe for bootstrap */
if (c <= MAX_CHAR_BASIC_LATIN)
{
*charset = Vcharset_ascii;
*c1 = charset_get_byte1 (*charset, c);
*c2 = charset_get_byte2 (*charset, c);
}
- else
+ else if ((MIN_CHAR_GREEK <= c) && (c <= MAX_CHAR_GREEK))
{
- *charset = Vcharset_ucs_bmp;
- *c1 = c >> 8;
- *c2 = c & 0xff;
+ *charset = Vcharset_greek_iso8859_7;
+ *c1 = c - MIN_CHAR_GREEK + 0x20;
+ *c2 = 0;
}
- }
- else if (c <= 0x17f)
- {
- *charset
- = CHARSET_BY_LEADING_BYTE (latin_a_char_to_charset[c - 0x100]);
- if (XCHARSET_TO_BYTE1_TABLE (*charset) != NULL)
+ else if ((MIN_CHAR_CYRILLIC <= c) && (c <= MAX_CHAR_CYRILLIC))
{
- *c1 = charset_get_byte1 (*charset, c);
- *c2 = charset_get_byte2 (*charset, c);
+ *charset = Vcharset_cyrillic_iso8859_5;
+ *c1 = c - MIN_CHAR_CYRILLIC + 0x20;
+ *c2 = 0;
}
- else
+ else if ((MIN_CHAR_HEBREW <= c) && (c <= MAX_CHAR_HEBREW))
{
- *c1 = latin_a_char_to_byte1[c - 0x100];
- *c2 = latin_a_char_to_byte2[c - 0x100];
+ *charset = Vcharset_hebrew_iso8859_8;
+ *c1 = c - MIN_CHAR_HEBREW + 0x20;
+ *c2 = 0;
}
- }
- else if (c < MIN_CHAR_GREEK)
- {
- Lisp_Object charsets = Vdefault_coded_charset_priority_list;
- while (!EQ (charsets, Qnil))
+ else if ((MIN_CHAR_THAI <= c) && (c <= MAX_CHAR_THAI))
{
- *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);
+ *charset = Vcharset_thai_tis620;
+ *c1 = c - MIN_CHAR_THAI + 0x20;
+ *c2 = 0;
}
- /* otherwise */
- *charset = Vcharset_ucs_bmp;
- *c1 = c >> 8;
- *c2 = c & 0xff;
- }
- else if (c <= MAX_CHAR_GREEK)
- {
- *charset = Vcharset_greek_iso8859_7;
- *c1 = c - MIN_CHAR_GREEK + 0x20;
- *c2 = 0;
- }
- else if (c < MIN_CHAR_CYRILLIC)
- {
- *charset = Vcharset_ucs_bmp;
- *c1 = c >> 8;
- *c2 = c & 0xff;
- }
- else if (c <= MAX_CHAR_CYRILLIC)
- {
- *charset = Vcharset_cyrillic_iso8859_5;
- *c1 = c - MIN_CHAR_CYRILLIC + 0x20;
- *c2 = 0;
- }
- else if (c < MIN_CHAR_HEBREW)
- {
- *charset = Vcharset_ucs_bmp;
- *c1 = c >> 8;
- *c2 = c & 0xff;
- }
- else if (c <= MAX_CHAR_HEBREW)
- {
- *charset = Vcharset_hebrew_iso8859_8;
- *c1 = c - MIN_CHAR_HEBREW + 0x20;
- *c2 = 0;
- }
- else if (c < MIN_CHAR_THAI)
- {
- *charset = Vcharset_ucs_bmp;
- *c1 = c >> 8;
- *c2 = c & 0xff;
- }
- else if (c <= MAX_CHAR_THAI)
- {
- *charset = Vcharset_thai_tis620;
- *c1 = c - MIN_CHAR_THAI + 0x20;
- *c2 = 0;
- }
- else if (c < MIN_CHAR_HALFWIDTH_KATAKANA)
- {
- Lisp_Object charsets = Vdefault_coded_charset_priority_list;
- while (!EQ (charsets, Qnil))
+ else if ((MIN_CHAR_HALFWIDTH_KATAKANA <= c)
+ && (c <= MAX_CHAR_HALFWIDTH_KATAKANA))
{
- *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);
+ *charset = Vcharset_katakana_jisx0201;
+ *c1 = c - MIN_CHAR_HALFWIDTH_KATAKANA + 0x20;
+ *c2 = 0;
+ }
+ else
+ {
+ *charset = Vcharset_ucs_bmp;
+ *c1 = c >> 8;
+ *c2 = c & 0xff;
}
- /* otherwise */
- *charset = Vcharset_ucs_bmp;
- *c1 = c >> 8;
- *c2 = c & 0xff;
- }
- else if (c <= MAX_CHAR_HALFWIDTH_KATAKANA)
- {
- *charset = Vcharset_katakana_jisx0201;
- *c1 = c - MIN_CHAR_HALFWIDTH_KATAKANA + 0x20;
- *c2 = 0;
}
else if (c <= MAX_CHAR_94)
{
projects / chise / xemacs-chise.git / blobdiff