XEmacs 21.2.28 "Hermes".

[chise/xemacs-chise.git.1] / src / mule-charset.c

diff --git a/src/mule-charset.c b/src/mule-charset.c
index b0a60fa..285fa69 100644 (file)
--- a/src/mule-charset.c
+++ b/src/mule-charset.c
@@ -77,12 +77,12 @@ static int composite_char_col_next;
 struct charset_lookup *chlook;
 
 static const struct lrecord_description charset_lookup_description_1[] = {
-  { XD_LISP_OBJECT, offsetof(struct charset_lookup, charset_by_leading_byte), 128+4*128*2 },
+  { XD_LISP_OBJECT_ARRAY, offsetof (struct charset_lookup, charset_by_leading_byte), 128+4*128*2 },
   { XD_END }
 };
 
 static const struct struct_description charset_lookup_description = {
-  sizeof(struct charset_lookup),
+  sizeof (struct charset_lookup),
   charset_lookup_description_1
 };
 
@@ -92,9 +92,9 @@ static const struct struct_description charset_lookup_description = {
    rep_bytes_by_first_byte(c) is more efficient than the equivalent
    canonical computation:
 
-   (BYTE_ASCII_P (c) ? 1 : XCHARSET_REP_BYTES (CHARSET_BY_LEADING_BYTE (c))) */
+   XCHARSET_REP_BYTES (CHARSET_BY_LEADING_BYTE (c)) */
 
-Bytecount rep_bytes_by_first_byte[0xA0] =
+const Bytecount rep_bytes_by_first_byte[0xA0] =
 { /* 0x00 - 0x7f are for straight ASCII */
   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@@ -409,7 +409,7 @@ Lstream_funget_emchar (Lstream *stream, Emchar ch)
 static Lisp_Object
 mark_charset (Lisp_Object obj)
 {
-  struct Lisp_Charset *cs = XCHARSET (obj);
+  Lisp_Charset *cs = XCHARSET (obj);
 
   mark_object (cs->short_name);
   mark_object (cs->long_name);
@@ -422,7 +422,7 @@ mark_charset (Lisp_Object obj)
 static void
 print_charset (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
 {
-  struct Lisp_Charset *cs = XCHARSET (obj);
+  Lisp_Charset *cs = XCHARSET (obj);
   char buf[200];
 
   if (print_readably)
@@ -454,13 +454,19 @@ print_charset (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
 }
 
 static const struct lrecord_description charset_description[] = {
-  { XD_LISP_OBJECT, offsetof(struct Lisp_Charset, name), 7 },
+  { XD_LISP_OBJECT, offsetof (Lisp_Charset, name) },
+  { XD_LISP_OBJECT, offsetof (Lisp_Charset, doc_string) },
+  { XD_LISP_OBJECT, offsetof (Lisp_Charset, registry) },
+  { XD_LISP_OBJECT, offsetof (Lisp_Charset, short_name) },
+  { XD_LISP_OBJECT, offsetof (Lisp_Charset, long_name) },
+  { XD_LISP_OBJECT, offsetof (Lisp_Charset, reverse_direction_charset) },
+  { XD_LISP_OBJECT, offsetof (Lisp_Charset, ccl_program) },
   { XD_END }
 };
 
 DEFINE_LRECORD_IMPLEMENTATION ("charset", charset,
                                mark_charset, print_charset, 0, 0, 0, charset_description,
-                              struct Lisp_Charset);
+                              Lisp_Charset);
 /* Make a new charset. */
 
 static Lisp_Object
@@ -471,8 +477,10 @@ make_charset (int id, Lisp_Object name, unsigned char rep_bytes,
              Lisp_Object reg)
 {
   Lisp_Object obj;
-  struct Lisp_Charset *cs =
-    alloc_lcrecord_type (struct Lisp_Charset, &lrecord_charset);
+  Lisp_Charset *cs = alloc_lcrecord_type (Lisp_Charset, &lrecord_charset);
+
+  zero_lcrecord (cs);
+
   XSETCHARSET (obj, cs);
 
   CHARSET_ID           (cs) = id;
@@ -506,9 +514,6 @@ make_charset (int id, Lisp_Object name, unsigned char rep_bytes,
 
   assert (NILP (chlook->charset_by_leading_byte[id - 128]));
   chlook->charset_by_leading_byte[id - 128] = obj;
-  if (id < 0xA0)
-    /* official leading byte */
-    rep_bytes_by_first_byte[id] = rep_bytes;
 
   /* Some charsets are "faux" and don't have names or really exist at
      all except in the leading-byte table. */
@@ -831,7 +836,7 @@ NEW-NAME is the name of the new charset.  Return the new charset.
   int id, dimension, columns, graphic, final;
   int direction, type;
   Lisp_Object registry, doc_string, short_name, long_name;
-  struct Lisp_Charset *cs;
+  Lisp_Charset *cs;
 
   charset = Fget_charset (charset);
   if (!NILP (XCHARSET_REVERSE_DIRECTION_CHARSET (charset)))
@@ -980,7 +985,7 @@ Recognized properties are those listed in `make-charset', as well as
 */
        (charset, prop))
 {
-  struct Lisp_Charset *cs;
+  Lisp_Charset *cs;
 
   charset = Fget_charset (charset);
   cs = XCHARSET (charset);
@@ -1074,7 +1079,7 @@ character s with caron.
 */
        (charset, arg1, arg2))
 {
-  struct Lisp_Charset *cs;
+  Lisp_Charset *cs;
   int a1, a2;
   int lowlim, highlim;
 
@@ -1122,6 +1127,27 @@ Return the character set of char CH.
                        (CHAR_LEADING_BYTE (XCHAR (ch))));
 }
 
+DEFUN ("char-octet", Fchar_octet, 1, 2, 0, /*
+Return the octet numbered N (should be 0 or 1) of char CH.
+N defaults to 0 if omitted.
+*/
+       (ch, n))
+{
+  Lisp_Object charset;
+  int octet0, octet1;
+
+  CHECK_CHAR_COERCE_INT (ch);
+
+  BREAKUP_CHAR (XCHAR (ch), charset, octet0, octet1);
+
+  if (NILP (n) || EQ (n, Qzero))
+    return make_int (octet0);
+  else if (EQ (n, make_int (1)))
+    return make_int (octet1);
+  else
+    signal_simple_error ("Octet number must be 0 or 1", n);
+}
+
 DEFUN ("split-char", Fsplit_char, 1, 1, 0, /*
 Return list of charset and one or two position-codes of CHAR.
 */
@@ -1253,6 +1279,7 @@ syms_of_mule_charset (void)
 
   DEFSUBR (Fmake_char);
   DEFSUBR (Fchar_charset);
+  DEFSUBR (Fchar_octet);
   DEFSUBR (Fsplit_char);
 
 #ifdef ENABLE_COMPOSITE_CHARS