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
};
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,
Lisp_Object Vcharset_hash_table;
-static Bufbyte next_allocated_1_byte_leading_byte;
-static Bufbyte next_allocated_2_byte_leading_byte;
-
/* Composite characters are characters constructed by overstriking two
or more regular characters.
Use the macro charptr_emchar() instead. */
Emchar
-non_ascii_charptr_emchar (CONST Bufbyte *str)
+non_ascii_charptr_emchar (const Bufbyte *str)
{
Bufbyte i0 = *str, i1, i2 = 0;
Lisp_Object charset;
/* Basic string functions */
/************************************************************************/
-/* Copy the character pointed to by PTR into STR, assuming it's
- non-ASCII. Do not call this directly. Use the macro
- charptr_copy_char() instead. */
+/* Copy the character pointed to by SRC into DST. Do not call this
+ directly. Use the macro charptr_copy_char() instead.
+ Return the number of bytes copied. */
Bytecount
-non_ascii_charptr_copy_char (CONST Bufbyte *ptr, Bufbyte *str)
+non_ascii_charptr_copy_char (const Bufbyte *src, Bufbyte *dst)
{
- Bufbyte *strptr = str;
- *strptr = *ptr++;
- switch (REP_BYTES_BY_FIRST_BYTE (*strptr))
- {
- /* Notice fallthrough. */
- case 4: *++strptr = *ptr++;
- case 3: *++strptr = *ptr++;
- case 2: *++strptr = *ptr;
- break;
- default:
- abort ();
- }
- return strptr + 1 - str;
+ unsigned int bytes = REP_BYTES_BY_FIRST_BYTE (*src);
+ unsigned int i;
+ for (i = bytes; i; i--, dst++, src++)
+ *dst = *src;
+ return bytes;
}
\f
{
Bufbyte str[MAX_EMCHAR_LEN];
Bufbyte *strptr = str;
+ unsigned int bytes;
str[0] = (Bufbyte) ch;
- switch (REP_BYTES_BY_FIRST_BYTE (ch))
+
+ for (bytes = REP_BYTES_BY_FIRST_BYTE (ch) - 1; bytes; bytes--)
{
- /* Notice fallthrough. */
- case 4:
- ch = Lstream_getc (stream);
- assert (ch >= 0);
- *++strptr = (Bufbyte) ch;
- case 3:
- ch = Lstream_getc (stream);
- assert (ch >= 0);
- *++strptr = (Bufbyte) ch;
- case 2:
- ch = Lstream_getc (stream);
- assert (ch >= 0);
- *++strptr = (Bufbyte) ch;
- break;
- default:
- abort ();
+ int c = Lstream_getc (stream);
+ bufpos_checking_assert (c >= 0);
+ *++strptr = (Bufbyte) c;
}
return charptr_emchar (str);
}
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);
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)
}
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);
-/* Make a new charset. */
+ Lisp_Charset);
+/* Make a new charset. */
+/* #### SJT Should generic properties be allowed? */
static Lisp_Object
make_charset (int id, Lisp_Object name, unsigned char rep_bytes,
unsigned char type, unsigned char columns, unsigned char graphic,
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;
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. */
if (dimension == 1)
{
- if (next_allocated_1_byte_leading_byte > MAX_LEADING_BYTE_PRIVATE_1)
+ if (chlook->next_allocated_1_byte_leading_byte > MAX_LEADING_BYTE_PRIVATE_1)
lb = 0;
else
- lb = next_allocated_1_byte_leading_byte++;
+ lb = chlook->next_allocated_1_byte_leading_byte++;
}
else
{
- if (next_allocated_2_byte_leading_byte > MAX_LEADING_BYTE_PRIVATE_2)
+ if (chlook->next_allocated_2_byte_leading_byte > MAX_LEADING_BYTE_PRIVATE_2)
lb = 0;
else
- lb = next_allocated_2_byte_leading_byte++;
+ lb = chlook->next_allocated_2_byte_leading_byte++;
}
if (!lb)
}
DEFUN ("charset-name", Fcharset_name, 1, 1, 0, /*
-Return the name of the given charset.
+Return the name of charset CHARSET.
*/
(charset))
{
return XCHARSET_NAME (Fget_charset (charset));
}
+/* #### SJT Should generic properties be allowed? */
DEFUN ("make-charset", Fmake_charset, 3, 3, 0, /*
Define a new character set.
This function is for use with Mule support.
int type;
Lisp_Object registry = Qnil;
Lisp_Object charset;
- Lisp_Object rest, keyword, value;
Lisp_Object ccl_program = Qnil;
Lisp_Object short_name = Qnil, long_name = Qnil;
if (!NILP (charset))
signal_simple_error ("Cannot redefine existing charset", name);
- EXTERNAL_PROPERTY_LIST_LOOP (rest, keyword, value, props)
- {
- if (EQ (keyword, Qshort_name))
- {
- CHECK_STRING (value);
- short_name = value;
- }
-
- if (EQ (keyword, Qlong_name))
- {
- CHECK_STRING (value);
- long_name = value;
- }
-
- else if (EQ (keyword, Qdimension))
- {
- CHECK_INT (value);
- dimension = XINT (value);
- if (dimension < 1 || dimension > 2)
- signal_simple_error ("Invalid value for 'dimension", value);
- }
-
- else if (EQ (keyword, Qchars))
- {
- CHECK_INT (value);
- chars = XINT (value);
- if (chars != 94 && chars != 96)
- signal_simple_error ("Invalid value for 'chars", value);
- }
-
- else if (EQ (keyword, Qcolumns))
- {
- CHECK_INT (value);
- columns = XINT (value);
- if (columns != 1 && columns != 2)
- signal_simple_error ("Invalid value for 'columns", value);
- }
-
- else if (EQ (keyword, Qgraphic))
- {
- CHECK_INT (value);
- graphic = XINT (value);
- if (graphic < 0 || graphic > 1)
- signal_simple_error ("Invalid value for 'graphic", value);
- }
-
- else if (EQ (keyword, Qregistry))
- {
- CHECK_STRING (value);
- registry = value;
- }
-
- else if (EQ (keyword, Qdirection))
- {
- if (EQ (value, Ql2r))
- direction = CHARSET_LEFT_TO_RIGHT;
- else if (EQ (value, Qr2l))
- direction = CHARSET_RIGHT_TO_LEFT;
- else
- signal_simple_error ("Invalid value for 'direction", value);
- }
-
- else if (EQ (keyword, Qfinal))
- {
- CHECK_CHAR_COERCE_INT (value);
- final = XCHAR (value);
- if (final < '0' || final > '~')
- signal_simple_error ("Invalid value for 'final", value);
- }
-
- else if (EQ (keyword, Qccl_program))
- {
- CHECK_VECTOR (value);
- ccl_program = value;
- }
-
- else
- signal_simple_error ("Unrecognized property", keyword);
- }
+ {
+ EXTERNAL_PROPERTY_LIST_LOOP_3 (keyword, value, props)
+ {
+ if (EQ (keyword, Qshort_name))
+ {
+ CHECK_STRING (value);
+ short_name = value;
+ }
+
+ if (EQ (keyword, Qlong_name))
+ {
+ CHECK_STRING (value);
+ long_name = value;
+ }
+
+ else if (EQ (keyword, Qdimension))
+ {
+ CHECK_INT (value);
+ dimension = XINT (value);
+ if (dimension < 1 || dimension > 2)
+ signal_simple_error ("Invalid value for 'dimension", value);
+ }
+
+ else if (EQ (keyword, Qchars))
+ {
+ CHECK_INT (value);
+ chars = XINT (value);
+ if (chars != 94 && chars != 96)
+ signal_simple_error ("Invalid value for 'chars", value);
+ }
+
+ else if (EQ (keyword, Qcolumns))
+ {
+ CHECK_INT (value);
+ columns = XINT (value);
+ if (columns != 1 && columns != 2)
+ signal_simple_error ("Invalid value for 'columns", value);
+ }
+
+ else if (EQ (keyword, Qgraphic))
+ {
+ CHECK_INT (value);
+ graphic = XINT (value);
+ if (graphic < 0 || graphic > 1)
+ signal_simple_error ("Invalid value for 'graphic", value);
+ }
+
+ else if (EQ (keyword, Qregistry))
+ {
+ CHECK_STRING (value);
+ registry = value;
+ }
+
+ else if (EQ (keyword, Qdirection))
+ {
+ if (EQ (value, Ql2r))
+ direction = CHARSET_LEFT_TO_RIGHT;
+ else if (EQ (value, Qr2l))
+ direction = CHARSET_RIGHT_TO_LEFT;
+ else
+ signal_simple_error ("Invalid value for 'direction", value);
+ }
+
+ else if (EQ (keyword, Qfinal))
+ {
+ CHECK_CHAR_COERCE_INT (value);
+ final = XCHAR (value);
+ if (final < '0' || final > '~')
+ signal_simple_error ("Invalid value for 'final", value);
+ }
+
+ else if (EQ (keyword, Qccl_program))
+ {
+ struct ccl_program test_ccl;
+
+ if (setup_ccl_program (&test_ccl, value) < 0)
+ signal_simple_error ("Invalid value for 'ccl-program", value);
+ ccl_program = value;
+ }
+
+ else
+ signal_simple_error ("Unrecognized property", keyword);
+ }
+ }
if (!final)
error ("'final must be specified");
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)))
}
DEFUN ("charset-property", Fcharset_property, 2, 2, 0, /*
-Return property PROP of CHARSET.
+Return property PROP of CHARSET, a charset object or symbol naming a charset.
Recognized properties are those listed in `make-charset', as well as
'name and 'doc-string.
*/
(charset, prop))
{
- struct Lisp_Charset *cs;
+ Lisp_Charset *cs;
charset = Fget_charset (charset);
cs = XCHARSET (charset);
if (EQ (prop, Qreverse_direction_charset))
{
Lisp_Object obj = CHARSET_REVERSE_DIRECTION_CHARSET (cs);
- if (NILP (obj))
- return Qnil;
- else
- return XCHARSET_NAME (obj);
+ /* #### Is this translation OK? If so, error checking sufficient? */
+ return CHARSETP (obj) ? XCHARSET_NAME (obj) : obj;
}
signal_simple_error ("Unrecognized charset property name", prop);
return Qnil; /* not reached */
*/
(charset, ccl_program))
{
+ struct ccl_program test_ccl;
+
charset = Fget_charset (charset);
- CHECK_VECTOR (ccl_program);
+ if (setup_ccl_program (&test_ccl, ccl_program) < 0)
+ signal_simple_error ("Invalid ccl-program", ccl_program);
XCHARSET_CCL_PROGRAM (charset) = ccl_program;
return Qnil;
}
*/
(charset, arg1, arg2))
{
- struct Lisp_Charset *cs;
+ Lisp_Charset *cs;
int a1, a2;
int lowlim, highlim;
CHECK_INT (arg1);
/* It is useful (and safe, according to Olivier Galibert) to strip
- the 8th bit off ARG1 and ARG2 becaue it allows programmers to
+ the 8th bit off ARG1 and ARG2 because it allows programmers to
write (make-char 'latin-iso8859-2 CODE) where code is the actual
Latin 2 code of the character. */
a1 = XINT (arg1) & 0x7f;
}
DEFUN ("char-charset", Fchar_charset, 1, 1, 0, /*
-Return the character set of char CH.
+Return the character set of CHARACTER.
*/
- (ch))
+ (character))
{
- CHECK_CHAR_COERCE_INT (ch);
+ CHECK_CHAR_COERCE_INT (character);
return XCHARSET_NAME (CHARSET_BY_LEADING_BYTE
- (CHAR_LEADING_BYTE (XCHAR (ch))));
+ (CHAR_LEADING_BYTE (XCHAR (character))));
+}
+
+DEFUN ("char-octet", Fchar_octet, 1, 2, 0, /*
+Return the octet numbered N (should be 0 or 1) of CHARACTER.
+N defaults to 0 if omitted.
+*/
+ (character, n))
+{
+ Lisp_Object charset;
+ int octet0, octet1;
+
+ CHECK_CHAR_COERCE_INT (character);
+
+ BREAKUP_CHAR (XCHAR (character), 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.
+Return list of charset and one or two position-codes of CHARACTER.
*/
(character))
{
void
syms_of_mule_charset (void)
{
+ INIT_LRECORD_IMPLEMENTATION (charset);
+
DEFSUBR (Fcharsetp);
DEFSUBR (Ffind_charset);
DEFSUBR (Fget_charset);
DEFSUBR (Fmake_char);
DEFSUBR (Fchar_charset);
+ DEFSUBR (Fchar_octet);
DEFSUBR (Fsplit_char);
#ifdef ENABLE_COMPOSITE_CHARS
for (k = 0; k < countof (chlook->charset_by_attributes[0][0]); k++)
chlook->charset_by_attributes[i][j][k] = Qnil;
- next_allocated_1_byte_leading_byte = MIN_LEADING_BYTE_PRIVATE_1;
- next_allocated_2_byte_leading_byte = MIN_LEADING_BYTE_PRIVATE_2;
+ chlook->next_allocated_1_byte_leading_byte = MIN_LEADING_BYTE_PRIVATE_1;
+ chlook->next_allocated_2_byte_leading_byte = MIN_LEADING_BYTE_PRIVATE_2;
}
void
projects / chise / xemacs-chise.git.1 / blobdiff