/* Random utility Lisp functions.
- Copyright (C) 1985, 86, 87, 93, 94, 95, 97, 98, 99, 2000, 2001, 2002
+ Copyright (C) 1985, 86, 87, 93, 94, 95, 97, 98, 99, 2000, 2001, 02, 2003
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#endif
#include <time.h>
+#ifndef MAC_OSX
+/* On Mac OS X, defining this conflicts with precompiled headers. */
+
/* Note on some machines this defines `vector' as a typedef,
so make sure we don't use that name in this file. */
#undef vector
#define vector *****
+#endif /* ! MAC_OSX */
+
#include "lisp.h"
#include "commands.h"
-#include "charset.h"
-
+#include "character.h"
+#include "coding.h"
#include "buffer.h"
#include "keyboard.h"
#include "keymap.h"
#endif
#ifndef NULL
-#define NULL (void *)0
+#define NULL ((POINTER_TYPE *)0)
#endif
/* Nonzero enables use of dialog boxes for questions
extern int minibuffer_auto_raise;
extern Lisp_Object minibuf_window;
+extern Lisp_Object Vlocale_coding_system;
Lisp_Object Qstring_lessp, Qprovide, Qrequire;
Lisp_Object Qyes_or_no_p_history;
Lisp_Object Qcursor_in_echo_area;
Lisp_Object Qwidget_type;
+Lisp_Object Qcodeset, Qdays, Qmonths, Qpaper;
extern Lisp_Object Qinput_method_function;
return length;
}
-DEFUN ("string-bytes", Fstring_bytes, Sstring_bytes, 1, 1, 0,
+DEFUN ("string-bytes", Fstring_bytes, Sstring_bytes, 1, 1, 0,
doc: /* Return the number of bytes in STRING.
If STRING is a multibyte string, this is greater than the length of STRING. */)
(string)
return concat (nargs, args, Lisp_Vectorlike, 0);
}
-/* Return a copy of a sub char table ARG. The elements except for a
- nested sub char table are not copied. */
-static Lisp_Object
-copy_sub_char_table (arg)
- Lisp_Object arg;
-{
- Lisp_Object copy = make_sub_char_table (XCHAR_TABLE (arg)->defalt);
- int i;
-
- /* Copy all the contents. */
- bcopy (XCHAR_TABLE (arg)->contents, XCHAR_TABLE (copy)->contents,
- SUB_CHAR_TABLE_ORDINARY_SLOTS * sizeof (Lisp_Object));
- /* Recursively copy any sub char-tables in the ordinary slots. */
- for (i = 32; i < SUB_CHAR_TABLE_ORDINARY_SLOTS; i++)
- if (SUB_CHAR_TABLE_P (XCHAR_TABLE (arg)->contents[i]))
- XCHAR_TABLE (copy)->contents[i]
- = copy_sub_char_table (XCHAR_TABLE (copy)->contents[i]);
-
- return copy;
-}
-
DEFUN ("copy-sequence", Fcopy_sequence, Scopy_sequence, 1, 1, 0,
doc: /* Return a copy of a list, vector, string or char-table.
if (CHAR_TABLE_P (arg))
{
- int i;
- Lisp_Object copy;
-
- copy = Fmake_char_table (XCHAR_TABLE (arg)->purpose, Qnil);
- /* Copy all the slots, including the extra ones. */
- bcopy (XVECTOR (arg)->contents, XVECTOR (copy)->contents,
- ((XCHAR_TABLE (arg)->size & PSEUDOVECTOR_SIZE_MASK)
- * sizeof (Lisp_Object)));
-
- /* Recursively copy any sub char tables in the ordinary slots
- for multibyte characters. */
- for (i = CHAR_TABLE_SINGLE_BYTE_SLOTS;
- i < CHAR_TABLE_ORDINARY_SLOTS; i++)
- if (SUB_CHAR_TABLE_P (XCHAR_TABLE (arg)->contents[i]))
- XCHAR_TABLE (copy)->contents[i]
- = copy_sub_char_table (XCHAR_TABLE (copy)->contents[i]);
-
- return copy;
+ return copy_char_table (arg);
}
if (BOOL_VECTOR_P (arg))
return concat (1, &arg, CONSP (arg) ? Lisp_Cons : XTYPE (arg), 0);
}
+#if 0 /* unused */
/* In string STR of length LEN, see if bytes before STR[I] combine
with bytes after STR[I] to form a single character. If so, return
the number of bytes after STR[I] which combine in this way.
PARSE_MULTIBYTE_SEQ (str + j, len - j, bytes);
return (bytes <= i - j ? 0 : bytes - (i - j));
}
+#endif
/* This structure holds information of an argument of `concat' that is
a string and has text properties to be copied. */
for (i = 0; i < len; i++)
{
ch = XVECTOR (this)->contents[i];
- if (! INTEGERP (ch))
- wrong_type_argument (Qintegerp, ch);
+ if (! CHARACTERP (ch))
+ wrong_type_argument (Qcharacterp, ch);
this_len_byte = CHAR_BYTES (XINT (ch));
result_len_byte += this_len_byte;
- if (!SINGLE_BYTE_CHAR_P (XINT (ch)))
+ if (! ASCII_CHAR_P (XINT (ch)) && ! CHAR_BYTE8_P (XINT (ch)))
some_multibyte = 1;
}
else if (BOOL_VECTOR_P (this) && XBOOL_VECTOR (this)->size > 0)
for (; CONSP (this); this = XCDR (this))
{
ch = XCAR (this);
- if (! INTEGERP (ch))
- wrong_type_argument (Qintegerp, ch);
+ if (! CHARACTERP (ch))
+ wrong_type_argument (Qcharacterp, ch);
this_len_byte = CHAR_BYTES (XINT (ch));
result_len_byte += this_len_byte;
- if (!SINGLE_BYTE_CHAR_P (XINT (ch)))
+ if (! ASCII_CHAR_P (XINT (ch)) && ! CHAR_BYTE8_P (XINT (ch)))
some_multibyte = 1;
}
else if (STRINGP (this))
&& STRING_MULTIBYTE (this) == some_multibyte)
{
int thislen_byte = SBYTES (this);
- int combined;
bcopy (SDATA (this), SDATA (val) + toindex_byte,
SBYTES (this));
- combined = (some_multibyte && toindex_byte > 0
- ? count_combining (SDATA (val),
- toindex_byte + thislen_byte,
- toindex_byte)
- : 0);
if (! NULL_INTERVAL_P (STRING_INTERVALS (this)))
{
textprops[num_textprops].argnum = argnum;
- /* We ignore text properties on characters being combined. */
- textprops[num_textprops].from = combined;
+ textprops[num_textprops].from = 0;
textprops[num_textprops++].to = toindex;
}
toindex_byte += thislen_byte;
- toindex += thisleni - combined;
- STRING_SET_CHARS (val, SCHARS (val) - combined);
+ toindex += thisleni;
}
/* Copy a single-byte string to a multibyte string. */
else if (STRINGP (this) && STRINGP (val))
{
XSETFASTINT (elt, SREF (this, thisindex++));
if (some_multibyte
- && (XINT (elt) >= 0240
- || (XINT (elt) >= 0200
- && ! NILP (Vnonascii_translation_table)))
+ && XINT (elt) >= 0200
&& XINT (elt) < 0400)
{
c = unibyte_char_to_multibyte (XINT (elt));
else
{
CHECK_NUMBER (elt);
- if (SINGLE_BYTE_CHAR_P (XINT (elt)))
- {
- if (some_multibyte)
- toindex_byte
- += CHAR_STRING (XINT (elt),
- SDATA (val) + toindex_byte);
- else
- SSET (val, toindex_byte++, XINT (elt));
- if (some_multibyte
- && toindex_byte > 0
- && count_combining (SDATA (val),
- toindex_byte, toindex_byte - 1))
- STRING_SET_CHARS (val, SCHARS (val) - 1);
- else
- toindex++;
- }
+ if (some_multibyte)
+ toindex_byte += CHAR_STRING (XINT (elt),
+ SDATA (val) + toindex_byte);
else
- /* If we have any multibyte characters,
- we already decided to make a multibyte string. */
- {
- int c = XINT (elt);
- /* P exists as a variable
- to avoid a bug on the Masscomp C compiler. */
- unsigned char *p = SDATA (val) + toindex_byte;
-
- toindex_byte += CHAR_STRING (c, p);
- toindex++;
- }
+ SSET (val, toindex_byte++, XINT (elt));
+ toindex++;
}
}
}
Lisp_Object string;
int char_index;
{
- int i, i_byte;
+ int i_byte;
int best_below, best_below_byte;
int best_above, best_above_byte;
if (char_index - best_below < best_above - char_index)
{
+ unsigned char *p = SDATA (string) + best_below_byte;
+
while (best_below < char_index)
{
- int c;
- FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string,
- best_below, best_below_byte);
+ p += BYTES_BY_CHAR_HEAD (*p);
+ best_below++;
}
- i = best_below;
- i_byte = best_below_byte;
+ i_byte = p - SDATA (string);
}
else
{
+ unsigned char *p = SDATA (string) + best_above_byte;
+
while (best_above > char_index)
{
- unsigned char *pend = SDATA (string) + best_above_byte;
- unsigned char *pbeg = pend - best_above_byte;
- unsigned char *p = pend - 1;
- int bytes;
-
- while (p > pbeg && !CHAR_HEAD_P (*p)) p--;
- PARSE_MULTIBYTE_SEQ (p, pend - p, bytes);
- if (bytes == pend - p)
- best_above_byte -= bytes;
- else if (bytes > pend - p)
- best_above_byte -= (pend - p);
- else
- best_above_byte--;
+ p--;
+ while (!CHAR_HEAD_P (*p)) p--;
best_above--;
}
- i = best_above;
- i_byte = best_above_byte;
+ i_byte = p - SDATA (string);
}
string_char_byte_cache_bytepos = i_byte;
- string_char_byte_cache_charpos = i;
+ string_char_byte_cache_charpos = char_index;
string_char_byte_cache_string = string;
return i_byte;
if (byte_index - best_below_byte < best_above_byte - byte_index)
{
- while (best_below_byte < byte_index)
+ unsigned char *p = SDATA (string) + best_below_byte;
+ unsigned char *pend = SDATA (string) + byte_index;
+
+ while (p < pend)
{
- int c;
- FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string,
- best_below, best_below_byte);
+ p += BYTES_BY_CHAR_HEAD (*p);
+ best_below++;
}
i = best_below;
- i_byte = best_below_byte;
+ i_byte = p - SDATA (string);
}
else
{
- while (best_above_byte > byte_index)
+ unsigned char *p = SDATA (string) + best_above_byte;
+ unsigned char *pbeg = SDATA (string) + byte_index;
+
+ while (p > pbeg)
{
- unsigned char *pend = SDATA (string) + best_above_byte;
- unsigned char *pbeg = pend - best_above_byte;
- unsigned char *p = pend - 1;
- int bytes;
-
- while (p > pbeg && !CHAR_HEAD_P (*p)) p--;
- PARSE_MULTIBYTE_SEQ (p, pend - p, bytes);
- if (bytes == pend - p)
- best_above_byte -= bytes;
- else if (bytes > pend - p)
- best_above_byte -= (pend - p);
- else
- best_above_byte--;
+ p--;
+ while (!CHAR_HEAD_P (*p)) p--;
best_above--;
}
i = best_above;
- i_byte = best_above_byte;
+ i_byte = p - SDATA (string);
}
string_char_byte_cache_bytepos = i_byte;
return i;
}
\f
-/* Convert STRING to a multibyte string.
- Single-byte characters 0240 through 0377 are converted
- by adding nonascii_insert_offset to each. */
+/* Convert STRING to a multibyte string. */
Lisp_Object
string_make_multibyte (string)
return make_multibyte_string (buf, SCHARS (string), nbytes);
}
+
+/* Convert STRING (if unibyte) to a multibyte string without changing
+ the number of characters. Characters 0200 trough 0237 are
+ converted to eight-bit characters. */
+
+Lisp_Object
+string_to_multibyte (string)
+ Lisp_Object string;
+{
+ unsigned char *buf;
+ int nbytes;
+
+ if (STRING_MULTIBYTE (string))
+ return string;
+
+ nbytes = parse_str_to_multibyte (SDATA (string), SBYTES (string));
+ /* If all the chars are ASCII, they won't need any more bytes once
+ converted. */
+ if (nbytes == SBYTES (string))
+ return make_multibyte_string (SDATA (string), nbytes, nbytes);
+
+ buf = (unsigned char *) alloca (nbytes);
+ bcopy (SDATA (string), buf, SBYTES (string));
+ str_to_multibyte (buf, nbytes, SBYTES (string));
+
+ return make_multibyte_string (buf, SCHARS (string), nbytes);
+}
+
+
/* Convert STRING to a single-byte string. */
Lisp_Object
doc: /* Return a multibyte string with the same individual bytes as STRING.
If STRING is multibyte, the result is STRING itself.
Otherwise it is a newly created string, with no text properties.
+
If STRING is unibyte and contains an individual 8-bit byte (i.e. not
-part of a multibyte form), it is converted to the corresponding
-multibyte character of charset `eight-bit-control' or `eight-bit-graphic'. */)
+part of a correct utf-8 sequence), it is converted to the corresponding
+multibyte character of charset `eight-bit'.
+See also `string-to-multibyte'. */)
(string)
Lisp_Object string;
{
}
return string;
}
+
+DEFUN ("string-to-multibyte", Fstring_to_multibyte, Sstring_to_multibyte,
+ 1, 1, 0,
+ doc: /* Return a multibyte string with the same individual chars as STRING.
+If STRING is multibyte, the result is STRING itself.
+Otherwise it is a newly created string, with no text properties.
+
+If STRING is unibyte and contains an 8-bit byte, it is converted to
+the corresponding multibyte character of charset `eight-bit'.
+
+This differs from `string-as-multibyte' by converting each byte of a correct
+utf-8 sequence to an eight-bit character, not just bytes that don't form a
+correct sequence. */)
+ (string)
+ Lisp_Object string;
+{
+ CHECK_STRING (string);
+
+ return string_to_multibyte (string);
+}
+
\f
DEFUN ("copy-alist", Fcopy_alist, Scopy_alist, 1, 1, 0,
doc: /* Return a copy of ALIST.
DEFUN ("substring", Fsubstring, Ssubstring, 2, 3, 0,
doc: /* Return a substring of STRING, starting at index FROM and ending before TO.
TO may be nil or omitted; then the substring runs to the end of STRING.
-If FROM or TO is negative, it counts from the end.
+FROM and TO start at 0. If either is negative, it counts from the end.
This function allows vectors as well as strings. */)
(string, from, to)
Lisp_Object new;
for (new = Qnil; CONSP (list); list = XCDR (list))
- new = Fcons (XCAR (list), new);
+ {
+ QUIT;
+ new = Fcons (XCAR (list), new);
+ }
if (!NILP (list))
wrong_type_argument (Qconsp, list);
return new;
Lisp_Object prop;
{
Lisp_Object tail;
-
+
for (tail = plist;
CONSP (tail) && CONSP (XCDR (tail));
tail = XCDR (XCDR (tail)))
if (!NILP (tail))
wrong_type_argument (Qlistp, prop);
-
+
return Qnil;
}
Fsetcar (XCDR (tail), val);
return plist;
}
-
+
prev = tail;
QUIT;
}
Lisp_Object prop;
{
Lisp_Object tail;
-
+
for (tail = plist;
CONSP (tail) && CONSP (XCDR (tail));
tail = XCDR (XCDR (tail)))
if (!NILP (tail))
wrong_type_argument (Qlistp, prop);
-
+
return Qnil;
}
Fsetcar (XCDR (tail), val);
return plist;
}
-
+
prev = tail;
QUIT;
}
functions are sensible to compare, so eliminate the others now. */
if (size & PSEUDOVECTOR_FLAG)
{
- if (!(size & (PVEC_COMPILED | PVEC_CHAR_TABLE)))
+ if (!(size & (PVEC_COMPILED
+ | PVEC_CHAR_TABLE | PVEC_SUB_CHAR_TABLE)))
return 0;
size &= PSEUDOVECTOR_SIZE_MASK;
}
case Lisp_Type_Limit:
break;
}
-
+
return 0;
}
\f
}
else if (CHAR_TABLE_P (array))
{
- register Lisp_Object *p = XCHAR_TABLE (array)->contents;
- size = CHAR_TABLE_ORDINARY_SLOTS;
- for (index = 0; index < size; index++)
- p[index] = item;
- XCHAR_TABLE (array)->defalt = Qnil;
+ int i;
+
+ for (i = 0; i < (1 << CHARTAB_SIZE_BITS_0); i++)
+ XCHAR_TABLE (array)->contents[i] = item;
+ XCHAR_TABLE (array)->defalt = item;
}
else if (STRINGP (array))
{
}
return array;
}
-\f
-DEFUN ("char-table-subtype", Fchar_table_subtype, Schar_table_subtype,
- 1, 1, 0,
- doc: /* Return the subtype of char-table CHAR-TABLE. The value is a symbol. */)
- (char_table)
- Lisp_Object char_table;
-{
- CHECK_CHAR_TABLE (char_table);
-
- return XCHAR_TABLE (char_table)->purpose;
-}
-DEFUN ("char-table-parent", Fchar_table_parent, Schar_table_parent,
+DEFUN ("clear-string", Fclear_string, Sclear_string,
1, 1, 0,
- doc: /* Return the parent char-table of CHAR-TABLE.
-The value is either nil or another char-table.
-If CHAR-TABLE holds nil for a given character,
-then the actual applicable value is inherited from the parent char-table
-\(or from its parents, if necessary). */)
- (char_table)
- Lisp_Object char_table;
-{
- CHECK_CHAR_TABLE (char_table);
-
- return XCHAR_TABLE (char_table)->parent;
-}
-
-DEFUN ("set-char-table-parent", Fset_char_table_parent, Sset_char_table_parent,
- 2, 2, 0,
- doc: /* Set the parent char-table of CHAR-TABLE to PARENT.
-PARENT must be either nil or another char-table. */)
- (char_table, parent)
- Lisp_Object char_table, parent;
-{
- Lisp_Object temp;
-
- CHECK_CHAR_TABLE (char_table);
-
- if (!NILP (parent))
- {
- CHECK_CHAR_TABLE (parent);
-
- for (temp = parent; !NILP (temp); temp = XCHAR_TABLE (temp)->parent)
- if (EQ (temp, char_table))
- error ("Attempt to make a chartable be its own parent");
- }
-
- XCHAR_TABLE (char_table)->parent = parent;
-
- return parent;
-}
-
-DEFUN ("char-table-extra-slot", Fchar_table_extra_slot, Schar_table_extra_slot,
- 2, 2, 0,
- doc: /* Return the value of CHAR-TABLE's extra-slot number N. */)
- (char_table, n)
- Lisp_Object char_table, n;
-{
- CHECK_CHAR_TABLE (char_table);
- CHECK_NUMBER (n);
- if (XINT (n) < 0
- || XINT (n) >= CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (char_table)))
- args_out_of_range (char_table, n);
-
- return XCHAR_TABLE (char_table)->extras[XINT (n)];
-}
-
-DEFUN ("set-char-table-extra-slot", Fset_char_table_extra_slot,
- Sset_char_table_extra_slot,
- 3, 3, 0,
- doc: /* Set CHAR-TABLE's extra-slot number N to VALUE. */)
- (char_table, n, value)
- Lisp_Object char_table, n, value;
-{
- CHECK_CHAR_TABLE (char_table);
- CHECK_NUMBER (n);
- if (XINT (n) < 0
- || XINT (n) >= CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (char_table)))
- args_out_of_range (char_table, n);
-
- return XCHAR_TABLE (char_table)->extras[XINT (n)] = value;
-}
-\f
-DEFUN ("char-table-range", Fchar_table_range, Schar_table_range,
- 2, 2, 0,
- doc: /* Return the value in CHAR-TABLE for a range of characters RANGE.
-RANGE should be nil (for the default value)
-a vector which identifies a character set or a row of a character set,
-a character set name, or a character code. */)
- (char_table, range)
- Lisp_Object char_table, range;
-{
- CHECK_CHAR_TABLE (char_table);
-
- if (EQ (range, Qnil))
- return XCHAR_TABLE (char_table)->defalt;
- else if (INTEGERP (range))
- return Faref (char_table, range);
- else if (SYMBOLP (range))
- {
- Lisp_Object charset_info;
-
- charset_info = Fget (range, Qcharset);
- CHECK_VECTOR (charset_info);
-
- return Faref (char_table,
- make_number (XINT (XVECTOR (charset_info)->contents[0])
- + 128));
- }
- else if (VECTORP (range))
- {
- if (XVECTOR (range)->size == 1)
- return Faref (char_table,
- make_number (XINT (XVECTOR (range)->contents[0]) + 128));
- else
- {
- int size = XVECTOR (range)->size;
- Lisp_Object *val = XVECTOR (range)->contents;
- Lisp_Object ch = Fmake_char_internal (size <= 0 ? Qnil : val[0],
- size <= 1 ? Qnil : val[1],
- size <= 2 ? Qnil : val[2]);
- return Faref (char_table, ch);
- }
- }
- else
- error ("Invalid RANGE argument to `char-table-range'");
- return Qt;
-}
-
-DEFUN ("set-char-table-range", Fset_char_table_range, Sset_char_table_range,
- 3, 3, 0,
- doc: /* Set the value in CHAR-TABLE for a range of characters RANGE to VALUE.
-RANGE should be t (for all characters), nil (for the default value)
-a vector which identifies a character set or a row of a character set,
-a coding system, or a character code. */)
- (char_table, range, value)
- Lisp_Object char_table, range, value;
-{
- int i;
-
- CHECK_CHAR_TABLE (char_table);
-
- if (EQ (range, Qt))
- for (i = 0; i < CHAR_TABLE_ORDINARY_SLOTS; i++)
- XCHAR_TABLE (char_table)->contents[i] = value;
- else if (EQ (range, Qnil))
- XCHAR_TABLE (char_table)->defalt = value;
- else if (SYMBOLP (range))
- {
- Lisp_Object charset_info;
-
- charset_info = Fget (range, Qcharset);
- CHECK_VECTOR (charset_info);
-
- return Faset (char_table,
- make_number (XINT (XVECTOR (charset_info)->contents[0])
- + 128),
- value);
- }
- else if (INTEGERP (range))
- Faset (char_table, range, value);
- else if (VECTORP (range))
- {
- if (XVECTOR (range)->size == 1)
- return Faset (char_table,
- make_number (XINT (XVECTOR (range)->contents[0]) + 128),
- value);
- else
- {
- int size = XVECTOR (range)->size;
- Lisp_Object *val = XVECTOR (range)->contents;
- Lisp_Object ch = Fmake_char_internal (size <= 0 ? Qnil : val[0],
- size <= 1 ? Qnil : val[1],
- size <= 2 ? Qnil : val[2]);
- return Faset (char_table, ch, value);
- }
- }
- else
- error ("Invalid RANGE argument to `set-char-table-range'");
-
- return value;
-}
-
-DEFUN ("set-char-table-default", Fset_char_table_default,
- Sset_char_table_default, 3, 3, 0,
- doc: /* Set the default value in CHAR-TABLE for a generic character CHAR to VALUE.
-The generic character specifies the group of characters.
-See also the documentation of make-char. */)
- (char_table, ch, value)
- Lisp_Object char_table, ch, value;
-{
- int c, charset, code1, code2;
- Lisp_Object temp;
-
- CHECK_CHAR_TABLE (char_table);
- CHECK_NUMBER (ch);
-
- c = XINT (ch);
- SPLIT_CHAR (c, charset, code1, code2);
-
- /* Since we may want to set the default value for a character set
- not yet defined, we check only if the character set is in the
- valid range or not, instead of it is already defined or not. */
- if (! CHARSET_VALID_P (charset))
- invalid_character (c);
-
- if (charset == CHARSET_ASCII)
- return (XCHAR_TABLE (char_table)->defalt = value);
-
- /* Even if C is not a generic char, we had better behave as if a
- generic char is specified. */
- if (!CHARSET_DEFINED_P (charset) || CHARSET_DIMENSION (charset) == 1)
- code1 = 0;
- temp = XCHAR_TABLE (char_table)->contents[charset + 128];
- if (!code1)
- {
- if (SUB_CHAR_TABLE_P (temp))
- XCHAR_TABLE (temp)->defalt = value;
- else
- XCHAR_TABLE (char_table)->contents[charset + 128] = value;
- return value;
- }
- if (SUB_CHAR_TABLE_P (temp))
- char_table = temp;
- else
- char_table = (XCHAR_TABLE (char_table)->contents[charset + 128]
- = make_sub_char_table (temp));
- temp = XCHAR_TABLE (char_table)->contents[code1];
- if (SUB_CHAR_TABLE_P (temp))
- XCHAR_TABLE (temp)->defalt = value;
- else
- XCHAR_TABLE (char_table)->contents[code1] = value;
- return value;
-}
-
-/* Look up the element in TABLE at index CH,
- and return it as an integer.
- If the element is nil, return CH itself.
- (Actually we do that for any non-integer.) */
-
-int
-char_table_translate (table, ch)
- Lisp_Object table;
- int ch;
-{
- Lisp_Object value;
- value = Faref (table, make_number (ch));
- if (! INTEGERP (value))
- return ch;
- return XINT (value);
-}
-
-static void
-optimize_sub_char_table (table, chars)
- Lisp_Object *table;
- int chars;
-{
- Lisp_Object elt;
- int from, to;
-
- if (chars == 94)
- from = 33, to = 127;
- else
- from = 32, to = 128;
-
- if (!SUB_CHAR_TABLE_P (*table))
- return;
- elt = XCHAR_TABLE (*table)->contents[from++];
- for (; from < to; from++)
- if (NILP (Fequal (elt, XCHAR_TABLE (*table)->contents[from])))
- return;
- *table = elt;
-}
-
-DEFUN ("optimize-char-table", Foptimize_char_table, Soptimize_char_table,
- 1, 1, 0, doc: /* Optimize char table TABLE. */)
- (table)
- Lisp_Object table;
-{
- Lisp_Object elt;
- int dim;
- int i, j;
-
- CHECK_CHAR_TABLE (table);
-
- for (i = CHAR_TABLE_SINGLE_BYTE_SLOTS; i < CHAR_TABLE_ORDINARY_SLOTS; i++)
- {
- elt = XCHAR_TABLE (table)->contents[i];
- if (!SUB_CHAR_TABLE_P (elt))
- continue;
- dim = CHARSET_DIMENSION (i - 128);
- if (dim == 2)
- for (j = 32; j < SUB_CHAR_TABLE_ORDINARY_SLOTS; j++)
- optimize_sub_char_table (XCHAR_TABLE (elt)->contents + j, dim);
- optimize_sub_char_table (XCHAR_TABLE (table)->contents + i, dim);
- }
- return Qnil;
-}
-
-\f
-/* Map C_FUNCTION or FUNCTION over SUBTABLE, calling it for each
- character or group of characters that share a value.
- DEPTH is the current depth in the originally specified
- chartable, and INDICES contains the vector indices
- for the levels our callers have descended.
-
- ARG is passed to C_FUNCTION when that is called. */
-
-void
-map_char_table (c_function, function, subtable, arg, depth, indices)
- void (*c_function) P_ ((Lisp_Object, Lisp_Object, Lisp_Object));
- Lisp_Object function, subtable, arg, *indices;
- int depth;
-{
- int i, to;
-
- if (depth == 0)
- {
- /* At first, handle ASCII and 8-bit European characters. */
- for (i = 0; i < CHAR_TABLE_SINGLE_BYTE_SLOTS; i++)
- {
- Lisp_Object elt = XCHAR_TABLE (subtable)->contents[i];
- if (c_function)
- (*c_function) (arg, make_number (i), elt);
- else
- call2 (function, make_number (i), elt);
- }
-#if 0 /* If the char table has entries for higher characters,
- we should report them. */
- if (NILP (current_buffer->enable_multibyte_characters))
- return;
-#endif
- to = CHAR_TABLE_ORDINARY_SLOTS;
- }
- else
- {
- int charset = XFASTINT (indices[0]) - 128;
-
- i = 32;
- to = SUB_CHAR_TABLE_ORDINARY_SLOTS;
- if (CHARSET_CHARS (charset) == 94)
- i++, to--;
- }
-
- for (; i < to; i++)
- {
- Lisp_Object elt;
- int charset;
-
- elt = XCHAR_TABLE (subtable)->contents[i];
- XSETFASTINT (indices[depth], i);
- charset = XFASTINT (indices[0]) - 128;
- if (depth == 0
- && (!CHARSET_DEFINED_P (charset)
- || charset == CHARSET_8_BIT_CONTROL
- || charset == CHARSET_8_BIT_GRAPHIC))
- continue;
-
- if (SUB_CHAR_TABLE_P (elt))
- {
- if (depth >= 3)
- error ("Too deep char table");
- map_char_table (c_function, function, elt, arg, depth + 1, indices);
- }
- else
- {
- int c1, c2, c;
-
- if (NILP (elt))
- elt = XCHAR_TABLE (subtable)->defalt;
- c1 = depth >= 1 ? XFASTINT (indices[1]) : 0;
- c2 = depth >= 2 ? XFASTINT (indices[2]) : 0;
- c = MAKE_CHAR (charset, c1, c2);
- if (c_function)
- (*c_function) (arg, make_number (c), elt);
- else
- call2 (function, make_number (c), elt);
- }
- }
-}
-
-DEFUN ("map-char-table", Fmap_char_table, Smap_char_table,
- 2, 2, 0,
- doc: /* Call FUNCTION for each (normal and generic) characters in CHAR-TABLE.
-FUNCTION is called with two arguments--a key and a value.
-The key is always a possible IDX argument to `aref'. */)
- (function, char_table)
- Lisp_Object function, char_table;
+ doc: /* Clear the contents of STRING.
+This makes STRING unibyte and may change its length. */)
+ (string)
+ Lisp_Object string;
{
- /* The depth of char table is at most 3. */
- Lisp_Object indices[3];
-
- CHECK_CHAR_TABLE (char_table);
-
- map_char_table ((void *) call2, Qnil, char_table, function, 0, indices);
+ int len = SBYTES (string);
+ bzero (SDATA (string), len);
+ STRING_SET_CHARS (string, len);
+ STRING_SET_UNIBYTE (string);
return Qnil;
}
-
-/* Return a value for character C in char-table TABLE. Store the
- actual index for that value in *IDX. Ignore the default value of
- TABLE. */
-
-Lisp_Object
-char_table_ref_and_index (table, c, idx)
- Lisp_Object table;
- int c, *idx;
-{
- int charset, c1, c2;
- Lisp_Object elt;
-
- if (SINGLE_BYTE_CHAR_P (c))
- {
- *idx = c;
- return XCHAR_TABLE (table)->contents[c];
- }
- SPLIT_CHAR (c, charset, c1, c2);
- elt = XCHAR_TABLE (table)->contents[charset + 128];
- *idx = MAKE_CHAR (charset, 0, 0);
- if (!SUB_CHAR_TABLE_P (elt))
- return elt;
- if (c1 < 32 || NILP (XCHAR_TABLE (elt)->contents[c1]))
- return XCHAR_TABLE (elt)->defalt;
- elt = XCHAR_TABLE (elt)->contents[c1];
- *idx = MAKE_CHAR (charset, c1, 0);
- if (!SUB_CHAR_TABLE_P (elt))
- return elt;
- if (c2 < 32 || NILP (XCHAR_TABLE (elt)->contents[c2]))
- return XCHAR_TABLE (elt)->defalt;
- *idx = c;
- return XCHAR_TABLE (elt)->contents[c2];
-}
-
\f
/* ARGSUSED */
Lisp_Object
struct gcpro gcpro1;
len = Flength (sequence);
+ if (CHAR_TABLE_P (sequence))
+ wrong_type_argument (Qlistp, sequence);
leni = XINT (len);
nargs = leni + leni - 1;
if (nargs < 0) return build_string ("");
register Lisp_Object *args;
len = Flength (sequence);
+ if (CHAR_TABLE_P (sequence))
+ wrong_type_argument (Qlistp, sequence);
leni = XFASTINT (len);
args = (Lisp_Object *) alloca (leni * sizeof (Lisp_Object));
register int leni;
leni = XFASTINT (Flength (sequence));
+ if (CHAR_TABLE_P (sequence))
+ wrong_type_argument (Qlistp, sequence);
mapcar1 (leni, 0, function, sequence);
return sequence;
\f
DEFUN ("load-average", Fload_average, Sload_average, 0, 1, 0,
doc: /* Return list of 1 minute, 5 minute and 15 minute load averages.
-
+
Each of the three load averages is multiplied by 100, then converted
to integer.
These floats are not multiplied by 100.
If the 5-minute or 15-minute load averages are not available, return a
-shortened list, containing only those averages which are available. */)
+shortened list, containing only those averages which are available.
+
+An error is thrown if the load average can't be obtained. In some
+cases making it work would require Emacs being installed setuid or
+setgid so that it can read kernel information, and that usually isn't
+advisable. */)
(use_floats)
Lisp_Object use_floats;
{
DEFUN ("featurep", Ffeaturep, Sfeaturep, 1, 2, 0,
doc: /* Returns t if FEATURE is present in this Emacs.
-
+
Use this to conditionalize execution of lisp code based on the
presence or absence of emacs or environment extensions.
Use `provide' to declare that a feature is available. This function
CHECK_SYMBOL (feature);
tem = Fmemq (feature, Vfeatures);
-
+
if (NILP (tem))
{
int count = SPECPDL_INDEX ();
if (! NILP (Vpurify_flag))
error ("(require %s) while preparing to dump",
SDATA (SYMBOL_NAME (feature)));
-
+
/* A certain amount of recursive `require' is legitimate,
but if we require the same feature recursively 3 times,
signal an error. */
UNGCPRO;
return result;
}
+
+#ifdef HAVE_LANGINFO_CODESET
+#include <langinfo.h>
+#endif
+
+DEFUN ("locale-info", Flocale_info, Slocale_info, 1, 1, 0,
+ doc: /* Access locale data ITEM for the current C locale, if available.
+ITEM should be one of the following:
+
+`codeset', returning the character set as a string (locale item CODESET);
+
+`days', returning a 7-element vector of day names (locale items DAY_n);
+
+`months', returning a 12-element vector of month names (locale items MON_n);
+
+`paper', returning a list (WIDTH HEIGHT) for the default paper size,
+ both measured in milimeters (locale items PAPER_WIDTH, PAPER_HEIGHT).
+
+If the system can't provide such information through a call to
+`nl_langinfo', or if ITEM isn't from the list above, return nil.
+
+See also Info node `(libc)Locales'.
+
+The data read from the system are decoded using `locale-coding-system'. */)
+ (item)
+ Lisp_Object item;
+{
+ char *str = NULL;
+#ifdef HAVE_LANGINFO_CODESET
+ Lisp_Object val;
+ if (EQ (item, Qcodeset))
+ {
+ str = nl_langinfo (CODESET);
+ return build_string (str);
+ }
+#ifdef DAY_1
+ else if (EQ (item, Qdays)) /* e.g. for calendar-day-name-array */
+ {
+ Lisp_Object v = Fmake_vector (make_number (7), Qnil);
+ int days[7] = {DAY_1, DAY_2, DAY_3, DAY_4, DAY_5, DAY_6, DAY_7};
+ int i;
+ synchronize_system_time_locale ();
+ for (i = 0; i < 7; i++)
+ {
+ str = nl_langinfo (days[i]);
+ val = make_unibyte_string (str, strlen (str));
+ /* Fixme: Is this coding system necessarily right, even if
+ it is consistent with CODESET? If not, what to do? */
+ Faset (v, make_number (i),
+ code_convert_string_norecord (val, Vlocale_coding_system,
+ 0));
+ }
+ return v;
+ }
+#endif /* DAY_1 */
+#ifdef MON_1
+ else if (EQ (item, Qmonths)) /* e.g. for calendar-month-name-array */
+ {
+ struct Lisp_Vector *p = allocate_vector (12);
+ int months[12] = {MON_1, MON_2, MON_3, MON_4, MON_5, MON_6, MON_7,
+ MON_8, MON_9, MON_10, MON_11, MON_12};
+ int i;
+ synchronize_system_time_locale ();
+ for (i = 0; i < 12; i++)
+ {
+ str = nl_langinfo (months[i]);
+ val = make_unibyte_string (str, strlen (str));
+ p->contents[i] =
+ code_convert_string_norecord (val, Vlocale_coding_system, 0);
+ }
+ XSETVECTOR (val, p);
+ return val;
+ }
+#endif /* MON_1 */
+/* LC_PAPER stuff isn't defined as accessible in glibc as of 2.3.1,
+ but is in the locale files. This could be used by ps-print. */
+#ifdef PAPER_WIDTH
+ else if (EQ (item, Qpaper))
+ {
+ return list2 (make_number (nl_langinfo (PAPER_WIDTH)),
+ make_number (nl_langinfo (PAPER_HEIGHT)));
+ }
+#endif /* PAPER_WIDTH */
+#endif /* HAVE_LANGINFO_CODESET*/
+ return Qnil;
+}
\f
/* base64 encode/decode functions (RFC 2045).
Based on code from GNU recode. */
if (multibyte)
{
c = STRING_CHAR_AND_LENGTH (from + i, length - i, bytes);
- if (c >= 256)
+ if (CHAR_BYTE8_P (c))
+ c = CHAR_TO_BYTE8 (c);
+ else if (c >= 256)
return -1;
i += bytes;
}
if (multibyte)
{
c = STRING_CHAR_AND_LENGTH (from + i, length - i, bytes);
- if (c >= 256)
+ if (CHAR_BYTE8_P (c))
+ c = CHAR_TO_BYTE8 (c);
+ else if (c >= 256)
return -1;
i += bytes;
}
if (multibyte)
{
c = STRING_CHAR_AND_LENGTH (from + i, length - i, bytes);
- if (c >= 256)
+ if (CHAR_BYTE8_P (c))
+ c = CHAR_TO_BYTE8 (c);
+ else if (c >= 256)
return -1;
i += bytes;
}
value |= base64_char_to_value[c] << 12;
c = (unsigned char) (value >> 16);
- if (multibyte)
- e += CHAR_STRING (c, e);
+ if (multibyte && c >= 128)
+ e += BYTE8_STRING (c, e);
else
*e++ = c;
nchars++;
value |= base64_char_to_value[c] << 6;
c = (unsigned char) (0xff & value >> 8);
- if (multibyte)
- e += CHAR_STRING (c, e);
+ if (multibyte && c >= 128)
+ e += BYTE8_STRING (c, e);
else
*e++ = c;
nchars++;
value |= base64_char_to_value[c];
c = (unsigned char) (0xff & value);
- if (multibyte)
- e += CHAR_STRING (c, e);
+ if (multibyte && c >= 128)
+ e += BYTE8_STRING (c, e);
else
*e++ = c;
nchars++;
/* Make sure key and value survive. */
if (!key_known_to_survive_p)
{
- mark_object (&HASH_KEY (h, i));
+ mark_object (HASH_KEY (h, i));
marked = 1;
}
if (!value_known_to_survive_p)
{
- mark_object (&HASH_VALUE (h, i));
+ mark_object (HASH_VALUE (h, i));
marked = 1;
}
}
{
h = XHASH_TABLE (table);
next = h->next_weak;
-
+
if (h->size & ARRAY_MARK_FLAG)
{
/* TABLE is marked as used. Sweep its contents. */
DEFUN ("make-hash-table", Fmake_hash_table, Smake_hash_table, 0, MANY, 0,
doc: /* Create and return a new hash table.
-
+
Arguments are specified as keyword/argument pairs. The following
arguments are defined:
DEFUN ("define-hash-table-test", Fdefine_hash_table_test,
Sdefine_hash_table_test, 3, 3, 0,
doc: /* Define a new hash table test with name NAME, a symbol.
-
+
In hash tables created with NAME specified as test, use TEST to
compare keys, and HASH for computing hash codes of keys.
************************************************************************/
#include "md5.h"
-#include "coding.h"
DEFUN ("md5", Fmd5, Smd5, 1, 5, 0,
doc: /* Return MD5 message digest of OBJECT, a buffer or string.
-
+
A message digest is a cryptographic checksum of a document, and the
algorithm to calculate it is defined in RFC 1321.
if (STRING_MULTIBYTE (object))
/* use default, we can't guess correct value */
- coding_system = SYMBOL_VALUE (XCAR (Vcoding_category_list));
- else
+ coding_system = preferred_coding_system ();
+ else
coding_system = Qraw_text;
}
-
+
if (NILP (Fcoding_system_p (coding_system)))
{
/* Invalid coding system. */
-
+
if (!NILP (noerror))
coding_system = Qraw_text;
else
}
if (STRING_MULTIBYTE (object))
- object = code_convert_string1 (object, coding_system, Qnil, 1);
+ object = code_convert_string (object, coding_system, Qnil, 1, 0, 1);
size = SCHARS (object);
size_byte = SBYTES (object);
else
{
CHECK_NUMBER (end);
-
+
end_char = XINT (end);
if (end_char < 0)
end_char += size;
-
+
end_byte = string_char_to_byte (object, end_char);
}
-
+
if (!(0 <= start_char && start_char <= end_char && end_char <= size))
args_out_of_range_3 (object, make_number (start_char),
make_number (end_char));
CHECK_BUFFER (object);
bp = XBUFFER (object);
-
+
if (NILP (start))
b = BUF_BEGV (bp);
else
CHECK_NUMBER_COERCE_MARKER (end);
e = XINT (end);
}
-
+
if (b > e)
temp = b, b = e, e = temp;
-
+
if (!(BUF_BEGV (bp) <= b && e <= BUF_ZV (bp)))
args_out_of_range (start, end);
-
+
if (NILP (coding_system))
{
- /* Decide the coding-system to encode the data with.
+ /* Decide the coding-system to encode the data with.
See fileio.c:Fwrite-region */
if (!NILP (Vcoding_system_for_write))
{
/* Check file-coding-system-alist. */
Lisp_Object args[4], val;
-
+
args[0] = Qwrite_region; args[1] = start; args[2] = end;
args[3] = Fbuffer_file_name(object);
val = Ffind_operation_coding_system (4, args);
object = make_buffer_string (b, e, 0);
if (STRING_MULTIBYTE (object))
- object = code_convert_string1 (object, coding_system, Qnil, 1);
+ object = code_convert_string (object, coding_system, Qnil, 1, 0, 0);
}
- md5_buffer (SDATA (object) + start_byte,
- SBYTES (object) - (size_byte - end_byte),
+ md5_buffer (SDATA (object) + start_byte,
+ SBYTES (object) - (size_byte - end_byte),
digest);
for (i = 0; i < 16; i++)
Qsubfeatures = intern ("subfeatures");
staticpro (&Qsubfeatures);
+#ifdef HAVE_LANGINFO_CODESET
+ Qcodeset = intern ("codeset");
+ staticpro (&Qcodeset);
+ Qdays = intern ("days");
+ staticpro (&Qdays);
+ Qmonths = intern ("months");
+ staticpro (&Qmonths);
+ Qpaper = intern ("paper");
+ staticpro (&Qpaper);
+#endif /* HAVE_LANGINFO_CODESET */
+
DEFVAR_BOOL ("use-dialog-box", &use_dialog_box,
doc: /* *Non-nil means mouse commands use dialog boxes to ask questions.
This applies to `y-or-n-p' and `yes-or-no-p' questions asked by commands
defsubr (&Sstring_make_unibyte);
defsubr (&Sstring_as_multibyte);
defsubr (&Sstring_as_unibyte);
+ defsubr (&Sstring_to_multibyte);
defsubr (&Scopy_alist);
defsubr (&Ssubstring);
defsubr (&Ssubstring_no_properties);
defsubr (&Slax_plist_put);
defsubr (&Sequal);
defsubr (&Sfillarray);
- defsubr (&Schar_table_subtype);
- defsubr (&Schar_table_parent);
- defsubr (&Sset_char_table_parent);
- defsubr (&Schar_table_extra_slot);
- defsubr (&Sset_char_table_extra_slot);
- defsubr (&Schar_table_range);
- defsubr (&Sset_char_table_range);
- defsubr (&Sset_char_table_default);
- defsubr (&Soptimize_char_table);
- defsubr (&Smap_char_table);
+ defsubr (&Sclear_string);
defsubr (&Snconc);
defsubr (&Smapcar);
defsubr (&Smapc);
defsubr (&Sbase64_encode_string);
defsubr (&Sbase64_decode_string);
defsubr (&Smd5);
+ defsubr (&Slocale_info);
}
HCoop / bpt / emacs.git / blobdiff