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.
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