ef44614405
2000-07-23 Bruno Haible <haible@clisp.cons.org> * wctype/wchar-lookup.h: New file. * wctype/iswctype.c: Include "wchar-lookup.h". (__iswctype): Support alternate locale format with 3-level tables. * wctype/iswctype_l.c (__iswctype_l): Likewise. * wctype/towctrans.c (__towctrans): Likewise. * wctype/towctrans_l.c (__towctrans_l): Likewise. * wctype/wcfuncs.c: Include "wchar-lookup.h". (__ctype32_wctype, __ctype32_wctrans): Declare external. (__iswalnum, __iswalpha, __iswcntrl, __iswdigit, __iswlower, __iswgraph, __iswprint, __iswpunct, __iswspace, __iswupper, __iswxdigit, towlower, towupper): Support alternate locale format with 3-level tables. * wctype/wcextra.c (iswblank): Likewise. * wctype/wcfuncs_l.c: Include "wchar-lookup.h". (__iswalnum_l, __iswalpha_l, __iswcntrl_l, __iswdigit_l, __iswlower_l, __iswgraph_l, __iswprint_l, __iswpunct_l, __iswspace_l, __iswupper_l, __iswxdigit_l, __towlower_l, __towupper_l): Support alternate locale format with 3-level tables. * wctype/wcextra_l.c (__iswblank_l): Likewise. * wctype/wctype.c (__wctype): Likewise. In the alternate locale format, return a 3-level table pointer. * wctype/wctype_l.c (__wctype_l): Likewise. * wctype/wctrans.c (wctrans): Likewise. * wctype/wctype.h (__ISwupper, __ISwlower, __ISwalpha, __ISwdigit, __ISwxdigit, __ISwspace, __ISwprint, __ISwgraph, __ISwblank, __ISwcntrl, __ISwpunct, __ISwalnum): New enum values. (iswctype): Remove macro definition. * wcsmbs/wcwidth.h: Include "wchar-lookup.h". (internal_wcwidth): Support alternate locale format with 3-level tables. * locale/langinfo.h (_NL_CTYPE_CLASS_OFFSET, _NL_CTYPE_MAP_OFFSET): New nl_items. * locale/categories.def (_NL_CTYPE_CLASS_OFFSET, _NL_CTYPE_MAP_OFFSET): Define them as being type "word". * locale/C-ctype.c (_nl_C_LC_CTYPE): Add initializers for them. * ctype/ctype-info.c (__ctype32_wctype, __ctype32_wctrans, __ctype32_width): New exported variables. * locale/lc-ctype.c (_nl_postload_ctype): Initialize them in the alternate locale format. Don't initialize __ctype_names and __ctype_width in the alternate locale format. * locale/programs/localedef.h (oldstyle_tables): New declaration. * locale/programs/localedef.c (oldstyle_tables): New variable. (OPT_OLDSTYLE): New macro. (options): Add --old-style option. (parse_opt): Handle --old-style option. * locale/programs/ld-ctype.c (locale_ctype_t): Add class_offset, map_offset, class_3level, map_3level, width_3level members. (ctype_output): Support for alternate locale format: Computation of nelems changes. _NL_CTYPE_TOUPPER32, _NL_CTYPE_TOLOWER32 and _NL_CTYPE_CLASS32 only 256 characters. _NL_CTYPE_NAMES empty. New fields _NL_CTYPE_CLASS_OFFSET, _NL_CTYPE_MAP_OFFSET. Field _NL_CTYPE_WIDTH now contains the three-level table. Extra elems now contain both class and map tables. (struct wctype_table): New type. (wctype_table_init, wctype_table_add, wctype_table_finalize): New functions. (struct wcwidth_table): New type. (wcwidth_table_init, wcwidth_table_add, wcwidth_table_finalize): New functions. (struct wctrans_table): New type. (wctrans_table_init, wctrans_table_add, wctrans_table_finalize): New functions. (allocate_arrays): Support for alternate locale format: Set plane_size and plane_cnt to 0. Restrict ctype->ctype32_b to the first 256 characters. Compute ctype->class_3level. Restrict ctype->map32[idx] to the first 256 characters. Compute ctype->map_3level. Set ctype->class_offset and ctype->map_offset. Compute ctype->width_3level instead of ctype->width.
64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <endian.h>
|
|
#include <string.h>
|
|
#include <wctype.h>
|
|
#include <locale/localeinfo.h>
|
|
|
|
wctype_t
|
|
__wctype (const char *property)
|
|
{
|
|
const char *names;
|
|
unsigned int result;
|
|
size_t proplen = strlen (property);
|
|
|
|
names = _NL_CURRENT (LC_CTYPE, _NL_CTYPE_CLASS_NAMES);
|
|
for (result = 0; ; result++)
|
|
{
|
|
size_t nameslen = strlen (names);
|
|
|
|
if (proplen == nameslen && memcmp (property, names, proplen) == 0)
|
|
break;
|
|
|
|
names += nameslen + 1;
|
|
if (names[0] == '\0')
|
|
return 0;
|
|
}
|
|
|
|
if (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_HASH_SIZE) != 0)
|
|
{
|
|
/* Old locale format. */
|
|
#if __BYTE_ORDER == __BIG_ENDIAN
|
|
return 1 << result;
|
|
#else
|
|
# define SWAPU32(w) \
|
|
(((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24))
|
|
return 1 << (result ^ 0x18); /* = SWAPU32 (1 << result); */
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
/* New locale format. */
|
|
size_t i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_CLASS_OFFSET) + result;
|
|
return (wctype_t) _nl_current_LC_CTYPE->values[i].string;
|
|
}
|
|
}
|
|
weak_alias (__wctype, wctype)
|