port/locale/wctype.c

/*
 * Copyright 2013 Garrett D'Amore <garrett@damore.org>
 * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
 * Copyright (c) 2002 Tim J. Robbins.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "lint.h"
#include <ctype.h>
#include <string.h>
#include <wctype.h>
#include <note.h>
#include <locale.h>
#include "_ctype.h"

/*
 * For now, we don't support locale specific character classes.  This is
 * a capability that needs to be added (locales should be able to define
 * their own character classes.)
 */
wctype_t
wctype_l(const char *property, locale_t loc)
{
    static const struct {
        const char  *name;
        wctype_t     mask;
    } props[] = {
        { "alnum",  _CTYPE_A|_CTYPE_D },
        { "alpha",  _CTYPE_A },
        { "blank",  _CTYPE_B },
        { "cntrl",  _CTYPE_C },
        { "digit",  _CTYPE_D },
        { "graph",  _CTYPE_G },
        { "lower",  _CTYPE_L },
        { "print",  _CTYPE_R },
        { "punct",  _CTYPE_P },
        { "space",  _CTYPE_S },
        { "upper",  _CTYPE_U },
        { "xdigit", _CTYPE_X },
        { "ideogram",   _CTYPE_I }, /* BSD extension */
        { "special",    _CTYPE_T }, /* BSD extension */
        { "phonogram",  _CTYPE_Q }, /* BSD extension */
        { "rune",   -1 },       /* BSD extension */
        { NULL,     0 },        /* Default */
    };
    int i;
    _NOTE(ARGUNUSED(loc));

    i = 0;
    while (props[i].name != NULL && strcmp(props[i].name, property) != 0)
        i++;

    return (props[i].mask);
}

wctype_t
wctype(const char *property)
{
    return (wctype_l(property, uselocale(NULL)));
}