CHECK_NUMBER (character, 0);
len = CHAR_STRING (XFASTINT (character), workbuf, str);
- return make_string (str, len);
+ return make_multibyte_string (str, 1, len);
}
DEFUN ("string-to-char", Fstring_to_char, Sstring_to_char, 1, 1, 0,
XSETFASTINT (val, 0);
return val;
}
-
-DEFUN ("sref", Fsref, Ssref, 2, 2, 0,
- "Return the character in STRING at INDEX. INDEX starts at 0.\n\
-A multibyte character is handled correctly.\n\
-INDEX not pointing at character boundary is an error.")
- (str, idx)
- Lisp_Object str, idx;
-{
- register int idxval, len, i;
- register unsigned char *p, *q;
- register Lisp_Object val;
-
- CHECK_STRING (str, 0);
- CHECK_NUMBER (idx, 1);
- idxval = XINT (idx);
- if (idxval < 0 || idxval >= (len = XVECTOR (str)->size))
- args_out_of_range (str, idx);
-
- p = XSTRING (str)->data + idxval;
- if (!NILP (current_buffer->enable_multibyte_characters)
- && !CHAR_HEAD_P (*p)
- && idxval > 0)
- {
- /* We must check if P points to a tailing byte of a multibyte
- form. If so, we signal error. */
- i = idxval - 1;
- q = p - 1;
- while (i > 0 && *q >= 0xA0) i--, q--;
-
- if (*q == LEADING_CODE_COMPOSITION)
- i = multibyte_form_length (XSTRING (str)->data + i, len - i);
- else
- i = BYTES_BY_CHAR_HEAD (*q);
- if (q + i > p)
- error ("Not character boundary");
- }
-
- len = XSTRING (str)->size - idxval;
- XSETFASTINT (val, STRING_CHAR (p, len));
- return val;
-}
-
\f
static Lisp_Object
buildmark (charpos, bytepos)
error ("Invalid time specification");
/* This is probably enough. */
- size = XSTRING (format_string)->size * 6 + 50;
+ size = XSTRING (format_string)->size_byte * 6 + 50;
while (1)
{
general_insert_function (insert_func, insert_from_string_func,
inherit, nargs, args)
void (*insert_func) P_ ((unsigned char *, int));
- void (*insert_from_string_func) P_ ((Lisp_Object, int, int, int));
+ void (*insert_from_string_func) P_ ((Lisp_Object, int, int, int, int, int));
int inherit, nargs;
register Lisp_Object *args;
{
}
else if (STRINGP (val))
{
- (*insert_from_string_func) (val, 0, XSTRING (val)->size, inherit);
+ (*insert_from_string_func) (val, 0, 0,
+ XSTRING (val)->size,
+ XSTRING (val)->size_byte,
+ inherit);
}
else
{
if (start < GPT && GPT < end)
move_gap (start);
- result = make_uninit_string (end_byte - start_byte);
+ result = make_uninit_multibyte_string (end - start, end_byte - start_byte);
bcopy (BYTE_POS_ADDR (start_byte), XSTRING (result)->data,
end_byte - start_byte);
DEFUN ("translate-region", Ftranslate_region, Stranslate_region, 3, 3, 0,
"From START to END, translate characters according to TABLE.\n\
TABLE is a string; the Nth character in it is the mapping\n\
-for the character with code N. Returns the number of characters changed.")
+for the character with code N.\n\
+This function does not alter multibyte characters.\n\
+It returns the number of characters changed.")
(start, end, table)
Lisp_Object start;
Lisp_Object end;
register int nc; /* New character. */
int cnt; /* Number of changes made. */
int size; /* Size of translate table. */
- int charpos;
+ int pos;
validate_region (&start, &end);
CHECK_STRING (table, 2);
- size = XSTRING (table)->size;
+ size = XSTRING (table)->size_byte;
tt = XSTRING (table)->data;
pos_byte = CHAR_TO_BYTE (XINT (start));
stop = CHAR_TO_BYTE (XINT (end));
modify_region (current_buffer, XINT (start), XINT (end));
- charpos = XINT (start);
+ pos = XINT (start);
cnt = 0;
- for (; pos_byte < stop; ++pos_byte)
+ for (; pos_byte < stop; )
{
register unsigned char *p = BYTE_POS_ADDR (pos_byte);
- register int oc = *p; /* Old character. */
- if (CHAR_HEAD_P (*p))
- charpos++;
+ int len;
+ int oc;
- if (oc < size)
+ oc = STRING_CHAR_AND_LENGTH (p, stop - pos_byte, len);
+ if (oc < size && len == 1)
{
nc = tt[oc];
if (nc != oc)
{
- record_change (charpos, 1);
+ record_change (pos, 1);
*p = nc;
- signal_after_change (charpos, 1, 1);
+ signal_after_change (pos, 1, 1);
++cnt;
}
}
+ pos_byte += len;
+ pos++;
}
return make_number (cnt);
}
if (XSTRING (val)->size > message_length)
{
- message_length = XSTRING (val)->size;
+ message_length = XSTRING (val)->size_byte;
message_text = (char *)xrealloc (message_text, message_length);
}
- bcopy (XSTRING (val)->data, message_text, XSTRING (val)->size);
- message2 (message_text, XSTRING (val)->size);
+ bcopy (XSTRING (val)->data, message_text, XSTRING (val)->size_byte);
+ message2 (message_text, XSTRING (val)->size_byte,
+ STRING_MULTIBYTE (val));
return val;
}
}
message_text = (char *)xmalloc (80);
message_length = 80;
}
- if (XSTRING (val)->size > message_length)
+ if (XSTRING (val)->size_byte > message_length)
{
- message_length = XSTRING (val)->size;
+ message_length = XSTRING (val)->size_byte;
message_text = (char *)xrealloc (message_text, message_length);
}
- bcopy (XSTRING (val)->data, message_text, XSTRING (val)->size);
- message2 (message_text, XSTRING (val)->size);
+ bcopy (XSTRING (val)->data, message_text, XSTRING (val)->size_byte);
+ message2 (message_text, XSTRING (val)->size_byte);
return val;
#endif /* not HAVE_MENUS */
}
: Qnil);
}
+/* Number of bytes that STRING will occupy when put into the result.
+ MULTIBYTE is nonzero if the result should be multibyte. */
+
+#define CONVERTED_BYTE_SIZE(MULTIBYTE, STRING) \
+ (((MULTIBYTE) && ! STRING_MULTIBYTE (STRING)) \
+ ? XSTRING (STRING)->size_byte \
+ : count_size_as_multibyte (XSTRING (STRING)->data, \
+ XSTRING (STRING)->size_byte))
+
DEFUN ("format", Fformat, Sformat, 1, MANY, 0,
"Format a string out of a control-string and arguments.\n\
The first argument is a control string.\n\
{
register int n; /* The number of the next arg to substitute */
register int total = 5; /* An estimate of the final length */
- char *buf;
+ char *buf, *p;
register unsigned char *format, *end;
- int length;
+ int length, nchars;
+ /* Nonzero if the output should be a multibyte string,
+ which is true if any of the inputs is one. */
+ int multibyte = 0;
+ unsigned char *this_format;
+ int longest_format = 0;
+
extern char *index ();
+
/* It should not be necessary to GCPRO ARGS, because
the caller in the interpreter should take care of that. */
+ for (n = 0; n < nargs; n++)
+ if (STRINGP (args[n]) && STRING_MULTIBYTE (args[n]))
+ multibyte = 1;
+
CHECK_STRING (args[0], 0);
format = XSTRING (args[0])->data;
- end = format + XSTRING (args[0])->size;
+ end = format + XSTRING (args[0])->size_byte;
+
+ /* Make room in result for all the non-%-codes in the control string. */
+ total += CONVERTED_BYTE_SIZE (multibyte, args[0]);
+
+ /* Add to TOTAL enough space to hold the converted arguments. */
n = 0;
while (format != end)
if (*format++ == '%')
{
- int minlen;
+ int minlen, thissize = 0;
+ unsigned char *this_format_start = format - 1;
/* Process a numeric arg and skip it. */
minlen = atoi (format);
|| *format == '-' || *format == ' ' || *format == '.')
format++;
+ if (format - this_format_start + 1 > longest_format)
+ longest_format = format - this_format_start + 1;
+
if (*format == '%')
format++;
else if (++n >= nargs)
string:
if (*format != 's' && *format != 'S')
error ("format specifier doesn't match argument type");
- total += XSTRING (args[n])->size;
- /* We have to put an arbitrary limit on minlen
- since otherwise it could make alloca fail. */
- if (minlen < XSTRING (args[n])->size + 1000)
- total += minlen;
+ thissize = CONVERTED_BYTE_SIZE (multibyte, args[n]);
}
/* Would get MPV otherwise, since Lisp_Int's `point' to low memory. */
else if (INTEGERP (args[n]) && *format != 's')
if (*format == 'e' || *format == 'f' || *format == 'g')
args[n] = Ffloat (args[n]);
#endif
- total += 30;
- /* We have to put an arbitrary limit on minlen
- since otherwise it could make alloca fail. */
- if (minlen < 1000)
- total += minlen;
+ thissize = 30;
}
#ifdef LISP_FLOAT_TYPE
else if (FLOATP (args[n]) && *format != 's')
{
if (! (*format == 'e' || *format == 'f' || *format == 'g'))
args[n] = Ftruncate (args[n], Qnil);
- total += 30;
- /* We have to put an arbitrary limit on minlen
- since otherwise it could make alloca fail. */
- if (minlen < 1000)
- total += minlen;
+ thissize = 60;
}
#endif
else
args[n] = tem;
goto string;
}
+
+ if (thissize < minlen)
+ thissize = minlen;
+
+ total += thissize + 4;
}
- {
- register int nstrings = n + 1;
+ this_format = (unsigned char *) alloca (longest_format + 1);
- /* Allocate twice as many strings as we have %-escapes; floats occupy
- two slots, and we're not sure how many of those we have. */
- register unsigned char **strings
- = (unsigned char **) alloca (2 * nstrings * sizeof (unsigned char *));
- int i;
+ /* Allocate the space for the result.
+ Note that TOTAL is an overestimate. */
+ if (total < 1000)
+ buf = (unsigned char *) alloca (total + 1);
+ else
+ buf = (unsigned char *) xmalloc (total + 1);
- i = 0;
- for (n = 0; n < nstrings; n++)
- {
- if (n >= nargs)
- strings[i++] = (unsigned char *) "";
- else if (INTEGERP (args[n]))
- /* We checked above that the corresponding format effector
- isn't %s, which would cause MPV. */
- strings[i++] = (unsigned char *) XINT (args[n]);
-#ifdef LISP_FLOAT_TYPE
- else if (FLOATP (args[n]))
- {
- union { double d; char *half[2]; } u;
+ p = buf;
+ nchars = 0;
+ n = 0;
- u.d = XFLOAT (args[n])->data;
- strings[i++] = (unsigned char *) u.half[0];
- strings[i++] = (unsigned char *) u.half[1];
- }
-#endif
- else if (i == 0)
- /* The first string is treated differently
- because it is the format string. */
- strings[i++] = XSTRING (args[n])->data;
- else
- strings[i++] = (unsigned char *) XSTRING (args[n]);
- }
+ /* Scan the format and store result in BUF. */
+ format = XSTRING (args[0])->data;
+ while (format != end)
+ {
+ if (*format == '%')
+ {
+ int minlen;
+ unsigned char *this_format_start = format;
- /* Make room in result for all the non-%-codes in the control string. */
- total += XSTRING (args[0])->size;
+ format++;
- /* Format it in bigger and bigger buf's until it all fits. */
- while (1)
- {
- buf = (char *) alloca (total + 1);
- buf[total - 1] = 0;
+ /* Process a numeric arg and skip it. */
+ minlen = atoi (format);
+ if (minlen < 0)
+ minlen = - minlen;
- length = doprnt_lisp (buf, total + 1, strings[0],
- end, i-1, (char **) strings + 1);
- if (buf[total - 1] == 0)
- break;
+ while ((*format >= '0' && *format <= '9')
+ || *format == '-' || *format == ' ' || *format == '.')
+ format++;
- total *= 2;
- }
- }
+ if (*format++ == '%')
+ {
+ *p++ = '%';
+ nchars++;
+ continue;
+ }
+
+ ++n;
+
+ if (STRINGP (args[n]))
+ {
+ int padding, nbytes;
+
+ nbytes = copy_text (XSTRING (args[n])->data, p,
+ XSTRING (args[n])->size_byte,
+ STRING_MULTIBYTE (args[n]), multibyte);
+ p += nbytes;
+ nchars += XSTRING (args[n])->size;
+
+ /* If spec requires it, pad on right with spaces. */
+ padding = minlen - XSTRING (args[n])->size;
+ while (padding-- > 0)
+ {
+ *p++ = ' ';
+ nchars++;
+ }
+ }
+ else if (INTEGERP (args[n]) || FLOATP (args[n]))
+ {
+ int this_nchars;
+
+ bcopy (this_format_start, this_format,
+ format - this_format_start);
+ this_format[format - this_format_start] = 0;
+
+ sprintf (p, this_format, XINT (args[n]));
+
+ this_nchars = strlen (p);
+ p += this_nchars;
+ nchars += this_nchars;
+ }
+ }
+ else if (multibyte && !STRING_MULTIBYTE (args[0]))
+ {
+ /* Convert a single-byte character to multibyte. */
+ int len = copy_text (format, p, 1, 0, 1);
+
+ p += len;
+ format++;
+ nchars++;
+ }
+ else
+ *p++ = *format++, nchars++;
+ }
+
+ /* If we allocated BUF with malloc, free it too. */
+ if (total >= 1000)
+ xfree (buf);
- /* UNGCPRO; */
- return make_string (buf, length);
+ return make_multibyte_string (buf, nchars, p - buf);
}
/* VARARGS 1 */
defsubr (&Sgoto_char);
defsubr (&Sstring_to_char);
defsubr (&Schar_to_string);
- defsubr (&Ssref);
defsubr (&Sbuffer_substring);
defsubr (&Sbuffer_substring_no_properties);
defsubr (&Sbuffer_string);
projects / emacs.git / commitdiff