wctype/wcfuncs_l.c

   1 /* Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #define __NO_WCTYPE
  20 #include <wctype.h>
  21 #include <stdint.h>
  22
  23 #define USE_IN_EXTENDED_LOCALE_MODEL
  24 #include "cname-lookup.h"
  25 #include "wchar-lookup.h"
  26
  27 /* Provide real-function versions of all the wctype macros.  */
  28
  29 #define func(name, type) \
  30   int name (wint_t wc, __locale_t locale)                                     \
  31   {                                                                           \
  32     if (locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_HASH_SIZE)].word != 0) \
  33       {                                                                       \
  34         /* Old locale format.  */                                             \
  35         const uint32_t *class32_b;                                            \
  36         size_t idx;                                                           \
  37                                                                               \
  38         idx = cname_lookup (wc, locale);                                      \
  39         if (idx == ~((size_t) 0))                                             \
  40           return 0;                                                           \
  41                                                                               \
  42         class32_b = (uint32_t *)                                              \
  43           locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS32)].string; \
  44                                                                               \
  45         return class32_b[idx] & _ISwbit (type);                               \
  46       }                                                                       \
  47     else                                                                      \
  48       {                                                                       \
  49         /* New locale format.  */                                             \
  50         size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_OFFSET)].word + type; \
  51         const char *desc = locale->__locales[LC_CTYPE]->values[i].string;     \
  52         return wctype_table_lookup (desc, wc);                                \
  53       }                                                                       \
  54   }
  55
  56 func (__iswalnum_l, __ISwalnum)
  57 func (__iswalpha_l, __ISwalpha)
  58 func (__iswcntrl_l, __ISwcntrl)
  59 func (__iswdigit_l, __ISwdigit)
  60 func (__iswlower_l, __ISwlower)
  61 func (__iswgraph_l, __ISwgraph)
  62 func (__iswprint_l, __ISwprint)
  63 func (__iswpunct_l, __ISwpunct)
  64 func (__iswspace_l, __ISwspace)
  65 func (__iswupper_l, __ISwupper)
  66 func (__iswxdigit_l, __ISwxdigit)
  67
  68 wint_t
  69 (__towlower_l) (wint_t wc, __locale_t locale)
  70 {
  71   if (locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_HASH_SIZE)].word != 0)
  72     {
  73       /* Old locale format.  */
  74       const int32_t *class32_tolower;
  75       size_t idx;
  76
  77       idx = cname_lookup (wc, locale);
  78       if (idx == ~((size_t) 0))
  79         return 0;
  80
  81       class32_tolower = (const int32_t *)
  82         locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_TOLOWER32)].string;
  83
  84       return class32_tolower[idx];
  85     }
  86   else
  87     {
  88       /* New locale format.  */
  89       size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_MAP_OFFSET)].word + __TOW_tolower;
  90       const char *desc = locale->__locales[LC_CTYPE]->values[i].string;
  91       return wctrans_table_lookup (desc, wc);
  92     }
  93 }
  94
  95 wint_t
  96 (__towupper_l) (wint_t wc, __locale_t locale)
  97 {
  98   if (locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_HASH_SIZE)].word != 0)
  99     {
 100       /* Old locale format.  */
 101       const int32_t *class32_toupper;
 102       size_t idx;
 103
 104       idx = cname_lookup (wc, locale);
 105       if (idx == ~((size_t) 0))
 106         return 0;
 107
 108       class32_toupper = (const int32_t *)
 109         locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_TOUPPER32)].string;
 110
 111       return class32_toupper[idx];
 112     }
 113   else
 114     {
 115       /* New locale format.  */
 116       size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_MAP_OFFSET)].word + __TOW_toupper;
 117       const char *desc = locale->__locales[LC_CTYPE]->values[i].string;
 118       return wctrans_table_lookup (desc, wc);
 119     }
 120 }