locale/FreeBSD/wctype.c

   1 /*-
   2  * Copyright (c) 2002 Tim J. Robbins.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD: src/lib/libc/locale/wctype.c,v 1.4 2008/03/17 18:22:23 antoine Exp $");
  29
  30 #include "xlocale_private.h"
  31
  32 #include <ctype.h>
  33 #include <string.h>
  34 #include <wctype.h>
  35 #include <limits.h>
  36
  37 wctype_t
  38 wctype_l(const char *property, locale_t loc)
  39 {
  40         _RuneLocale *rl;
  41         static const struct {
  42                 const char      *name;
  43                 wctype_t         mask;
  44         } props[] = {
  45                 { "alnum",      _CTYPE_A|_CTYPE_D },
  46                 { "alpha",      _CTYPE_A },
  47                 { "blank",      _CTYPE_B },
  48                 { "cntrl",      _CTYPE_C },
  49                 { "digit",      _CTYPE_D },
  50                 { "graph",      _CTYPE_G },
  51                 { "lower",      _CTYPE_L },
  52                 { "print",      _CTYPE_R },
  53                 { "punct",      _CTYPE_P },
  54                 { "space",      _CTYPE_S },
  55                 { "upper",      _CTYPE_U },
  56                 { "xdigit",     _CTYPE_X },
  57                 { "ideogram",   _CTYPE_I },     /* BSD extension */
  58                 { "special",    _CTYPE_T },     /* BSD extension */
  59                 { "phonogram",  _CTYPE_Q },     /* BSD extension */
  60                 { "rune",       0xFFFFFF00L },  /* BSD extension */
  61                 { NULL,         0UL },          /* Default */
  62         };
  63         int i;
  64
  65         i = 0;
  66         while (props[i].name != NULL && strcmp(props[i].name, property) != 0)
  67                 i++;
  68
  69         if (props[i].mask)
  70                 return (props[i].mask);
  71
  72         NORMALIZE_LOCALE(loc);
  73         rl = &loc->__lc_ctype->_CurrentRuneLocale;
  74         if ((i = rl->__ncharclasses) > 0) {
  75                 _RuneCharClass *rp;
  76                 for (rp = rl->__charclasses; i-- > 0; rp++) {
  77                         if (strncmp(rp->__name, property, CHARCLASS_NAME_MAX) == 0)
  78                                 return (rp->__mask);
  79                 }
  80         }
  81         return 0;
  82 }
  83
  84 wctype_t
  85 wctype(const char *property)
  86 {
  87         return wctype_l(property, __current_locale());
  88 }