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.
/* 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);
}
DEFINE_LRECORD_IMPLEMENTATION ("charset", charset,
mark_charset, print_charset, 0, 0, 0, charset_description,
Lisp_Charset);
-/* Make a new 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,
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");
}
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.
*/
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;
}
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 char CH.
+Return the octet numbered N (should be 0 or 1) of CHARACTER.
N defaults to 0 if omitted.
*/
- (ch, n))
+ (character, n))
{
Lisp_Object charset;
int octet0, octet1;
- CHECK_CHAR_COERCE_INT (ch);
+ CHECK_CHAR_COERCE_INT (character);
- BREAKUP_CHAR (XCHAR (ch), charset, octet0, octet1);
+ BREAKUP_CHAR (XCHAR (character), charset, octet0, octet1);
if (NILP (n) || EQ (n, Qzero))
return make_int (octet0);
}
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))
{
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