categories. */
struct coding_system *coding_system_table[CODING_CATEGORY_IDX_MAX];
-/* Flag to tell if we look up unification table on character code
- conversion. */
-Lisp_Object Venable_character_unification;
-/* Standard unification table to look up on decoding (reading). */
-Lisp_Object Vstandard_character_unification_table_for_decode;
-/* Standard unification table to look up on encoding (writing). */
-Lisp_Object Vstandard_character_unification_table_for_encode;
-
-Lisp_Object Qcharacter_unification_table;
-Lisp_Object Qcharacter_unification_table_for_decode;
-Lisp_Object Qcharacter_unification_table_for_encode;
+/* Flag to tell if we look up character translation table on character
+ code conversion. */
+Lisp_Object Venable_character_translation;
+/* Standard character translation table to look up on decoding (reading). */
+Lisp_Object Vstandard_character_translation_table_for_decode;
+/* Standard character translation table to look up on encoding (writing). */
+Lisp_Object Vstandard_character_translation_table_for_encode;
+
+Lisp_Object Qcharacter_translation_table;
+Lisp_Object Qcharacter_translation_table_id;
+Lisp_Object Qcharacter_translation_table_for_decode;
+Lisp_Object Qcharacter_translation_table_for_encode;
/* Alist of charsets vs revision number. */
Lisp_Object Vcharset_revision_alist;
c2 = ' '; \
} \
} \
- if (!NILP (unification_table) \
- && ((c_alt = unify_char (unification_table, \
- -1, (charset), c1, c2)) >= 0)) \
+ if (!NILP (translation_table) \
+ && ((c_alt = translate_char (translation_table, \
+ -1, (charset), c1, c2)) >= 0)) \
SPLIT_CHAR (c_alt, charset_alt, c1, c2); \
} \
if (charset_alt == CHARSET_ASCII || charset_alt < 0) \
Else, if it contains only valid codes, return 0.
Else return the length of the composing sequence. */
-int check_composing_code (coding, src, src_end)
+int
+check_composing_code (coding, src, src_end)
struct coding_system *coding;
unsigned char *src, *src_end;
{
invalid_code_found = 1;
}
}
- return ((coding->mode & CODING_MODE_LAST_BLOCK) ? src_end - src_start : -1);
+ return (invalid_code_found
+ ? src - src_start
+ : (coding->mode & CODING_MODE_LAST_BLOCK ? 0 : -1));
}
/* See the above "GENERAL NOTES on `decode_coding_XXX ()' functions". */
/* Charsets invoked to graphic plane 0 and 1 respectively. */
int charset0 = CODING_SPEC_ISO_PLANE_CHARSET (coding, 0);
int charset1 = CODING_SPEC_ISO_PLANE_CHARSET (coding, 1);
- Lisp_Object unification_table
- = coding->character_unification_table_for_decode;
+ Lisp_Object translation_table
+ = coding->character_translation_table_for_decode;
int result = CODING_FINISH_NORMAL;
- if (!NILP (Venable_character_unification) && NILP (unification_table))
- unification_table = Vstandard_character_unification_table_for_decode;
+ if (!NILP (Venable_character_translation) && NILP (translation_table))
+ translation_table = Vstandard_character_translation_table_for_decode;
coding->produced_char = 0;
coding->fake_multibyte = 0;
result1 = check_composing_code (coding, src, src_end);
if (result1 == 0)
- coding->composing = (c1 == '0'
- ? COMPOSING_NO_RULE_HEAD
- : COMPOSING_WITH_RULE_HEAD);
+ {
+ coding->composing = (c1 == '0'
+ ? COMPOSING_NO_RULE_HEAD
+ : COMPOSING_WITH_RULE_HEAD);
+ coding->produced_char++;
+ }
else if (result1 > 0)
{
if (result1 + 2 < (dst_bytes ? dst_end : src_base) - dst)
case '1': /* end composing */
coding->composing = COMPOSING_NO;
- coding->produced_char++;
break;
case '[': /* specification of direction */
dst = encode_invocation_designation (charset, coding, dst); \
} while (1)
-#define ENCODE_ISO_CHARACTER(charset, c1, c2) \
- do { \
- int c_alt, charset_alt; \
- if (!NILP (unification_table) \
- && ((c_alt = unify_char (unification_table, -1, charset, c1, c2)) \
- >= 0)) \
- SPLIT_CHAR (c_alt, charset_alt, c1, c2); \
- else \
- charset_alt = charset; \
- if (CHARSET_DIMENSION (charset_alt) == 1) \
- { \
- if (charset == CHARSET_ASCII \
- && coding->flags & CODING_FLAG_ISO_USE_ROMAN) \
- charset_alt = charset_latin_jisx0201; \
- ENCODE_ISO_CHARACTER_DIMENSION1 (charset_alt, c1); \
- } \
- else \
- { \
- if (charset == charset_jisx0208 \
- && coding->flags & CODING_FLAG_ISO_USE_OLDJIS) \
- charset_alt = charset_jisx0208_1978; \
- ENCODE_ISO_CHARACTER_DIMENSION2 (charset_alt, c1, c2); \
- } \
- if (! COMPOSING_P (coding->composing)) \
- coding->consumed_char++; \
- } while (0)
+#define ENCODE_ISO_CHARACTER(charset, c1, c2) \
+ do { \
+ int c_alt, charset_alt; \
+ if (!NILP (translation_table) \
+ && ((c_alt = translate_char (translation_table, -1, \
+ charset, c1, c2)) \
+ >= 0)) \
+ SPLIT_CHAR (c_alt, charset_alt, c1, c2); \
+ else \
+ charset_alt = charset; \
+ if (CHARSET_DIMENSION (charset_alt) == 1) \
+ { \
+ if (charset == CHARSET_ASCII \
+ && coding->flags & CODING_FLAG_ISO_USE_ROMAN) \
+ charset_alt = charset_latin_jisx0201; \
+ ENCODE_ISO_CHARACTER_DIMENSION1 (charset_alt, c1); \
+ } \
+ else \
+ { \
+ if (charset == charset_jisx0208 \
+ && coding->flags & CODING_FLAG_ISO_USE_OLDJIS) \
+ charset_alt = charset_jisx0208_1978; \
+ ENCODE_ISO_CHARACTER_DIMENSION2 (charset_alt, c1, c2); \
+ } \
+ if (! COMPOSING_P (coding->composing)) \
+ coding->consumed_char++; \
+ } while (0)
/* Produce designation and invocation codes at a place pointed by DST
to use CHARSET. The element `spec.iso2022' of *CODING is updated.
unsigned char c1, c2;
SPLIT_STRING(src, bytes, charset, c1, c2);
- if ((c_alt = unify_char (table, -1, charset, c1, c2)) >= 0)
+ if ((c_alt = translate_char (table, -1, charset, c1, c2)) >= 0)
charset = CHAR_CHARSET (c_alt);
}
from DST_END to assure overflow checking is necessary only at the
head of loop. */
unsigned char *adjusted_dst_end = dst_end - 19;
- Lisp_Object unification_table
- = coding->character_unification_table_for_encode;
+ Lisp_Object translation_table
+ = coding->character_translation_table_for_encode;
int result = CODING_FINISH_NORMAL;
- if (!NILP (Venable_character_unification) && NILP (unification_table))
- unification_table = Vstandard_character_unification_table_for_encode;
+ if (!NILP (Venable_character_translation) && NILP (translation_table))
+ translation_table = Vstandard_character_translation_table_for_encode;
coding->consumed_char = 0;
coding->fake_multibyte = 0;
&& CODING_SPEC_ISO_BOL (coding))
{
/* We have to produce designation sequences if any now. */
- encode_designation_at_bol (coding, unification_table,
+ encode_designation_at_bol (coding, translation_table,
src, src_end, &dst);
CODING_SPEC_ISO_BOL (coding) = 0;
}
reset graphic planes and registers to the initial state, and
flush out the carryover if any. */
if (coding->mode & CODING_MODE_LAST_BLOCK)
- ENCODE_RESET_PLANE_AND_REGISTER;
-
+ {
+ ENCODE_RESET_PLANE_AND_REGISTER;
+ if (COMPOSING_P (coding->composing))
+ ENCODE_COMPOSITION_END;
+ }
coding->consumed = src - source;
coding->produced = coding->produced_char = dst - destination;
return result;
#define DECODE_SJIS_BIG5_CHARACTER(charset, c1, c2) \
do { \
int c_alt, charset_alt = (charset); \
- if (!NILP (unification_table) \
- && ((c_alt = unify_char (unification_table, \
- -1, (charset), c1, c2)) >= 0)) \
+ if (!NILP (translation_table) \
+ && ((c_alt = translate_char (translation_table, \
+ -1, (charset), c1, c2)) >= 0)) \
SPLIT_CHAR (c_alt, charset_alt, c1, c2); \
if (charset_alt == CHARSET_ASCII || charset_alt < 0) \
DECODE_CHARACTER_ASCII (c1); \
DECODE_CHARACTER_DIMENSION2 (charset_alt, c1, c2); \
} while (0)
-#define ENCODE_SJIS_BIG5_CHARACTER(charset, c1, c2) \
- do { \
- int c_alt, charset_alt; \
- if (!NILP (unification_table) \
- && ((c_alt = unify_char (unification_table, -1, charset, c1, c2)) \
- >= 0)) \
- SPLIT_CHAR (c_alt, charset_alt, c1, c2); \
- else \
- charset_alt = charset; \
- if (charset_alt == charset_ascii) \
- *dst++ = c1; \
- else if (CHARSET_DIMENSION (charset_alt) == 1) \
- { \
- if (sjis_p && charset_alt == charset_katakana_jisx0201) \
- *dst++ = c1; \
- else \
- { \
- *dst++ = charset_alt, *dst++ = c1; \
- coding->fake_multibyte = 1; \
- } \
- } \
- else \
- { \
- c1 &= 0x7F, c2 &= 0x7F; \
- if (sjis_p && charset_alt == charset_jisx0208) \
- { \
- unsigned char s1, s2; \
- \
- ENCODE_SJIS (c1, c2, s1, s2); \
- *dst++ = s1, *dst++ = s2; \
- coding->fake_multibyte = 1; \
- } \
- else if (!sjis_p \
- && (charset_alt == charset_big5_1 \
- || charset_alt == charset_big5_2)) \
- { \
- unsigned char b1, b2; \
- \
- ENCODE_BIG5 (charset_alt, c1, c2, b1, b2); \
- *dst++ = b1, *dst++ = b2; \
- } \
- else \
- { \
- *dst++ = charset_alt, *dst++ = c1, *dst++ = c2; \
- coding->fake_multibyte = 1; \
- } \
- } \
- coding->consumed_char++; \
+#define ENCODE_SJIS_BIG5_CHARACTER(charset, c1, c2) \
+ do { \
+ int c_alt, charset_alt; \
+ if (!NILP (translation_table) \
+ && ((c_alt = translate_char (translation_table, -1, \
+ charset, c1, c2)) \
+ >= 0)) \
+ SPLIT_CHAR (c_alt, charset_alt, c1, c2); \
+ else \
+ charset_alt = charset; \
+ if (charset_alt == charset_ascii) \
+ *dst++ = c1; \
+ else if (CHARSET_DIMENSION (charset_alt) == 1) \
+ { \
+ if (sjis_p && charset_alt == charset_katakana_jisx0201) \
+ *dst++ = c1; \
+ else \
+ { \
+ *dst++ = charset_alt, *dst++ = c1; \
+ coding->fake_multibyte = 1; \
+ } \
+ } \
+ else \
+ { \
+ c1 &= 0x7F, c2 &= 0x7F; \
+ if (sjis_p && charset_alt == charset_jisx0208) \
+ { \
+ unsigned char s1, s2; \
+ \
+ ENCODE_SJIS (c1, c2, s1, s2); \
+ *dst++ = s1, *dst++ = s2; \
+ coding->fake_multibyte = 1; \
+ } \
+ else if (!sjis_p \
+ && (charset_alt == charset_big5_1 \
+ || charset_alt == charset_big5_2)) \
+ { \
+ unsigned char b1, b2; \
+ \
+ ENCODE_BIG5 (charset_alt, c1, c2, b1, b2); \
+ *dst++ = b1, *dst++ = b2; \
+ } \
+ else \
+ { \
+ *dst++ = charset_alt, *dst++ = c1, *dst++ = c2; \
+ coding->fake_multibyte = 1; \
+ } \
+ } \
+ coding->consumed_char++; \
} while (0);
/* See the above "GENERAL NOTES on `detect_coding_XXX ()' functions".
from DST_END to assure overflow checking is necessary only at the
head of loop. */
unsigned char *adjusted_dst_end = dst_end - 3;
- Lisp_Object unification_table
- = coding->character_unification_table_for_decode;
+ Lisp_Object translation_table
+ = coding->character_translation_table_for_decode;
int result = CODING_FINISH_NORMAL;
- if (!NILP (Venable_character_unification) && NILP (unification_table))
- unification_table = Vstandard_character_unification_table_for_decode;
+ if (!NILP (Venable_character_translation) && NILP (translation_table))
+ translation_table = Vstandard_character_translation_table_for_decode;
coding->produced_char = 0;
coding->fake_multibyte = 0;
from DST_END to assure overflow checking is necessary only at the
head of loop. */
unsigned char *adjusted_dst_end = dst_end - 1;
- Lisp_Object unification_table
- = coding->character_unification_table_for_encode;
+ Lisp_Object translation_table
+ = coding->character_translation_table_for_encode;
int result = CODING_FINISH_NORMAL;
- if (!NILP (Venable_character_unification) && NILP (unification_table))
- unification_table = Vstandard_character_unification_table_for_encode;
+ if (!NILP (Venable_character_translation) && NILP (translation_table))
+ translation_table = Vstandard_character_translation_table_for_encode;
coding->consumed_char = 0;
coding->fake_multibyte = 0;
/* Initialize remaining fields. */
coding->composing = 0;
- coding->character_unification_table_for_decode = Qnil;
- coding->character_unification_table_for_encode = Qnil;
+ coding->character_translation_table_for_decode = Qnil;
+ coding->character_translation_table_for_encode = Qnil;
/* Get values of coding system properties:
`post-read-conversion', `pre-write-conversion',
- `character-unification-table-for-decode',
- `character-unification-table-for-encode'. */
+ `character-translation-table-for-decode',
+ `character-translation-table-for-encode'. */
plist = XVECTOR (coding_spec)->contents[3];
coding->post_read_conversion = Fplist_get (plist, Qpost_read_conversion);
coding->pre_write_conversion = Fplist_get (plist, Qpre_write_conversion);
- val = Fplist_get (plist, Qcharacter_unification_table_for_decode);
+ val = Fplist_get (plist, Qcharacter_translation_table_for_decode);
if (SYMBOLP (val))
- val = Fget (val, Qcharacter_unification_table_for_decode);
- coding->character_unification_table_for_decode
+ val = Fget (val, Qcharacter_translation_table_for_decode);
+ coding->character_translation_table_for_decode
= CHAR_TABLE_P (val) ? val : Qnil;
- val = Fplist_get (plist, Qcharacter_unification_table_for_encode);
+ val = Fplist_get (plist, Qcharacter_translation_table_for_encode);
if (SYMBOLP (val))
- val = Fget (val, Qcharacter_unification_table_for_encode);
- coding->character_unification_table_for_encode
+ val = Fget (val, Qcharacter_translation_table_for_encode);
+ coding->character_translation_table_for_encode
= CHAR_TABLE_P (val) ? val : Qnil;
val = Fplist_get (plist, Qcoding_category);
if (!NILP (val))
}
}
- Qcharacter_unification_table = intern ("character-unification-table");
- staticpro (&Qcharacter_unification_table);
- Fput (Qcharacter_unification_table, Qchar_table_extra_slots,
+ Qcharacter_translation_table = intern ("character-translation-table");
+ staticpro (&Qcharacter_translation_table);
+ Fput (Qcharacter_translation_table, Qchar_table_extra_slots,
make_number (0));
- Qcharacter_unification_table_for_decode
- = intern ("character-unification-table-for-decode");
- staticpro (&Qcharacter_unification_table_for_decode);
+ Qcharacter_translation_table_id = intern ("character-translation-table-id");
+ staticpro (&Qcharacter_translation_table_id);
+
+ Qcharacter_translation_table_for_decode
+ = intern ("character-translation-table-for-decode");
+ staticpro (&Qcharacter_translation_table_for_decode);
- Qcharacter_unification_table_for_encode
- = intern ("character-unification-table-for-encode");
- staticpro (&Qcharacter_unification_table_for_encode);
+ Qcharacter_translation_table_for_encode
+ = intern ("character-translation-table-for-encode");
+ staticpro (&Qcharacter_translation_table_for_encode);
Qsafe_charsets = intern ("safe-charsets");
staticpro (&Qsafe_charsets);
"Mnemonic character indicating end-of-line format is not yet decided.");
eol_mnemonic_undecided = ':';
- DEFVAR_LISP ("enable-character-unification", &Venable_character_unification,
- "Non-nil means ISO 2022 encoder/decoder do character unification.");
- Venable_character_unification = Qt;
+ DEFVAR_LISP ("enable-character-translation", &Venable_character_translation,
+ "Non-nil means ISO 2022 encoder/decoder do character translation.");
+ Venable_character_translation = Qt;
- DEFVAR_LISP ("standard-character-unification-table-for-decode",
- &Vstandard_character_unification_table_for_decode,
- "Table for unifying characters when reading.");
- Vstandard_character_unification_table_for_decode = Qnil;
+ DEFVAR_LISP ("standard-character-translation-table-for-decode",
+ &Vstandard_character_translation_table_for_decode,
+ "Table for translating characters while decoding.");
+ Vstandard_character_translation_table_for_decode = Qnil;
- DEFVAR_LISP ("standard-character-unification-table-for-encode",
- &Vstandard_character_unification_table_for_encode,
- "Table for unifying characters when writing.");
- Vstandard_character_unification_table_for_encode = Qnil;
+ DEFVAR_LISP ("standard-character-translation-table-for-encode",
+ &Vstandard_character_translation_table_for_encode,
+ "Table for translationg characters while encoding.");
+ Vstandard_character_translation_table_for_encode = Qnil;
DEFVAR_LISP ("charset-revision-table", &Vcharset_revision_alist,
"Alist of charsets vs revision numbers.\n\
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