/* Composite sequence support.
Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
Licensed to the Free Software Foundation.
+ Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#define CHAR_WIDTH(c) \
(SINGLE_BYTE_CHAR_P (c) ? 1 : CHARSET_WIDTH (CHAR_CHARSET (c)))
-/* The following macros for hash table are copied from fns.c. */
-/* Value is the key part of entry IDX in hash table H. */
-#define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
-/* Value is the value part of entry IDX in hash table H. */
-#define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
-
/* Return COMPOSITION-ID of a composition at buffer position
CHARPOS/BYTEPOS and length NCHARS. The `composition' property of
the sequence is PROP. STRING, if non-nil, is a string that
modify the cons cell of PROP because it is not shared. */
key = HASH_KEY (hash_table, hash_index);
id = HASH_VALUE (hash_table, hash_index);
- XCAR (prop) = id;
- XCDR (prop) = Fcons (make_number (nchars), Fcons (key, XCDR (prop)));
+ XSETCAR (prop, id);
+ XSETCDR (prop, Fcons (make_number (nchars), Fcons (key, XCDR (prop))));
return XINT (id);
}
/* Change PROP from Form-A above to Form-B. We can directly modify
the cons cell of PROP because it is not shared. */
XSETFASTINT (id, n_compositions);
- XCAR (prop) = id;
- XCDR (prop) = Fcons (make_number (nchars), Fcons (key, XCDR (prop)));
+ XSETCAR (prop, id);
+ XSETCDR (prop, Fcons (make_number (nchars), Fcons (key, XCDR (prop))));
/* Register the composition in composition_hash_table. */
hash_index = hash_put (hash_table, key, id, hash_code);
&& find_composition (to, -1, &start, &end, &prop, Qnil)
&& !COMPOSITION_VALID_P (start, end, prop))
to = end;
- if (!NILP (func))
+ if (!NILP (Ffboundp (func)))
call2 (func, make_number (from), make_number (to));
else if (!NILP (Ffboundp (Vcompose_chars_after_function)))
call3 (Vcompose_chars_after_function,
void
update_compositions (from, to, check_mask)
- int from, to;
+ int from, to, check_mask;
{
Lisp_Object prop;
int start, end;
+ if (inhibit_modification_hooks)
+ return;
+
/* If FROM and TO are not in a valid range, do nothing. */
if (! (BEGV <= from && from <= to && to <= ZV))
return;
run_composition_function (start, end, prop);
from = end;
}
- else if (from < to
+ else if (from < ZV
&& find_composition (from, -1, &start, &from, &prop, Qnil))
run_composition_function (start, from, prop);
}
{
if (EQ (XCAR (plist), Qcomposition)
&& (val = XCAR (XCDR (plist)), CONSP (val)))
- XCAR (XCDR (plist)) = Fcons (XCAR (val), XCDR (val));
+ XSETCAR (XCDR (plist), Fcons (XCAR (val), XCDR (val)));
plist = XCDR (XCDR (plist));
}
}
int start, end;
Lisp_Object string;
{
- int count;
+ int count = 0;
struct gcpro gcpro1;
Lisp_Object tail, elt, val, to;
/* Set to nonzero if we don't have to compose ASCII characters. */
int skip_ascii;
int i, len, stop, c;
- unsigned char *ptr, *pend;
+ const unsigned char *ptr, *pend;
if (! CHAR_TABLE_P (Vcomposition_function_table))
return;
if (STRINGP (string))
{
- count = specpdl_ptr - specpdl;
+ count = SPECPDL_INDEX ();
GCPRO1 (string);
stop = end;
- ptr = XSTRING (string)->data + string_char_to_byte (string, start);
- pend = ptr + STRING_BYTES (XSTRING (string));
+ ptr = SDATA (string) + string_char_to_byte (string, start);
+ pend = ptr + SBYTES (string);
}
else
{
break;
stop = end;
if (STRINGP (string))
- ptr = XSTRING (string)->data + string_char_to_byte (string, start);
+ ptr = SDATA (string) + string_char_to_byte (string, start);
else
ptr = CHAR_POS_ADDR (start);
}
{
start += XINT (val);
if (STRINGP (string))
- ptr = XSTRING (string)->data + string_char_to_byte (string, start);
+ ptr = SDATA (string) + string_char_to_byte (string, start);
else
ptr = CHAR_POS_ADDR (start);
}
DEFUN ("compose-region-internal", Fcompose_region_internal,
Scompose_region_internal, 2, 4, 0,
- "Internal use only.\n\
-\n\
-Compose text in the region between START and END.\n\
-Optional 3rd and 4th arguments are COMPONENTS and MODIFICATION-FUNC\n\
-for the composition. See `compose-region' for more detial.")
- (start, end, components, mod_func)
+ doc: /* Internal use only.
+
+Compose text in the region between START and END.
+Optional 3rd and 4th arguments are COMPONENTS and MODIFICATION-FUNC
+for the composition. See `compose-region' for more detail. */)
+ (start, end, components, mod_func)
Lisp_Object start, end, components, mod_func;
{
validate_region (&start, &end);
&& !INTEGERP (components)
&& !CONSP (components)
&& !STRINGP (components))
- CHECK_VECTOR (components, 2);
+ CHECK_VECTOR (components);
compose_text (XINT (start), XINT (end), components, mod_func, Qnil);
return Qnil;
DEFUN ("compose-string-internal", Fcompose_string_internal,
Scompose_string_internal, 3, 5, 0,
- "Internal use only.\n\
-\n\
-Compose text between indices START and END of STRING.\n\
-Optional 4th and 5th arguments are COMPONENTS and MODIFICATION-FUNC\n\
-for the composition. See `compose-string' for more detial.")
- (string, start, end, components, mod_func)
+ doc: /* Internal use only.
+
+Compose text between indices START and END of STRING.
+Optional 4th and 5th arguments are COMPONENTS and MODIFICATION-FUNC
+for the composition. See `compose-string' for more detail. */)
+ (string, start, end, components, mod_func)
Lisp_Object string, start, end, components, mod_func;
{
- CHECK_STRING (string, 0);
- CHECK_NUMBER (start, 1);
- CHECK_NUMBER (end, 2);
+ CHECK_STRING (string);
+ CHECK_NUMBER (start);
+ CHECK_NUMBER (end);
if (XINT (start) < 0 ||
XINT (start) > XINT (end)
- || XINT (end) > XSTRING (string)->size)
+ || XINT (end) > SCHARS (string))
args_out_of_range (start, end);
compose_text (XINT (start), XINT (end), components, mod_func, string);
DEFUN ("find-composition-internal", Ffind_composition_internal,
Sfind_composition_internal, 4, 4, 0,
- "Internal use only.\n\
-\n\
-Return information about composition at or nearest to position POS.\n\
-See `find-composition' for more detail.")
- (pos, limit, string, detail_p)
+ doc: /* Internal use only.
+
+Return information about composition at or nearest to position POS.
+See `find-composition' for more detail. */)
+ (pos, limit, string, detail_p)
Lisp_Object pos, limit, string, detail_p;
{
Lisp_Object prop, tail;
int start, end;
int id;
- CHECK_NUMBER_COERCE_MARKER (pos, 0);
+ CHECK_NUMBER_COERCE_MARKER (pos);
start = XINT (pos);
if (!NILP (limit))
{
- CHECK_NUMBER_COERCE_MARKER (limit, 1);
+ CHECK_NUMBER_COERCE_MARKER (limit);
end = XINT (limit);
}
else
end = -1;
+
if (!NILP (string))
- CHECK_STRING (string, 2);
+ {
+ CHECK_STRING (string);
+ if (XINT (pos) < 0 || XINT (pos) > SCHARS (string))
+ args_out_of_range (string, pos);
+ }
+ else
+ {
+ if (XINT (pos) < BEGV || XINT (pos) > ZV)
+ args_out_of_range (Fcurrent_buffer (), pos);
+ }
if (!find_composition (start, end, &start, &end, &prop, string))
return Qnil;
= Fcons (Fcons (Qcomposition, Qt), Vtext_property_default_nonsticky);
DEFVAR_LISP ("compose-chars-after-function", &Vcompose_chars_after_function,
- "Function to adjust composition of buffer text.\n\
-\n\
-The function is called with three arguments FROM, TO, and OBJECT.\n\
-FROM and TO specify the range of text of which composition should be\n\
-adjusted. OBJECT, if non-nil, is a string that contains the text.\n\
-\n\
-This function is called after a text with `composition' property is\n\
-inserted or deleted to keep `composition' property of buffer text\n\
-valid.\n\
-\n\
-The default value is the function `compose-chars-after'.");
+ doc: /* Function to adjust composition of buffer text.
+
+The function is called with three arguments FROM, TO, and OBJECT.
+FROM and TO specify the range of text of which composition should be
+adjusted. OBJECT, if non-nil, is a string that contains the text.
+
+This function is called after a text with `composition' property is
+inserted or deleted to keep `composition' property of buffer text
+valid.
+
+The default value is the function `compose-chars-after'. */);
Vcompose_chars_after_function = intern ("compose-chars-after");
Qcomposition_function_table = intern ("composition-function-table");
Fput (Qcomposition_function_table, Qchar_table_extra_slots, make_number (0));
DEFVAR_LISP ("composition-function-table", &Vcomposition_function_table,
- "Char table of patterns and functions to make a composition.\n\
-\n\
-Each element is nil or an alist of PATTERNs vs FUNCs, where PATTERNs\n\
-are regular expressions and FUNCs are functions. FUNC is responsible\n\
-for composing text matching the corresponding PATTERN. FUNC is called\n\
-with three arguments FROM, TO, and PATTERN. See the function\n\
-`compose-chars-after' for more detail.\n\
-\n\
-This table is looked up by the first character of a composition when\n\
-the composition gets invalid after a change in a buffer.");
+ doc: /* Char table of patterns and functions to make a composition.
+
+Each element is nil or an alist of PATTERNs vs FUNCs, where PATTERNs
+are regular expressions and FUNCs are functions. FUNC is responsible
+for composing text matching the corresponding PATTERN. FUNC is called
+with three arguments FROM, TO, and PATTERN. See the function
+`compose-chars-after' for more detail.
+
+This table is looked up by the first character of a composition when
+the composition gets invalid after a change in a buffer. */);
Vcomposition_function_table
= Fmake_char_table (Qcomposition_function_table, Qnil);
HCoop / bpt / emacs.git / blobdiff