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/* $OpenBSD: iswctype.c,v 1.6 2015/09/13 11:38:08 guenther Exp $ */
/* $NetBSD: iswctype.c,v 1.15 2005/02/09 21:35:46 kleink Exp $ */
/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <wchar.h>
#include <wctype.h>
#include <ctype.h>
#include <errno.h>
#include <string.h>
#include "rune.h"
#include "runetype.h"
#include "rune_local.h"
#include "_wctrans_local.h"
static inline _RuneType __runetype_w(wint_t);
static inline int __isctype_w(wint_t, _RuneType);
static inline wint_t __toupper_w(wint_t);
static inline wint_t __tolower_w(wint_t);
static inline _RuneType
__runetype_w(wint_t c)
{
_RuneLocale *rl = _CurrentRuneLocale;
return (_RUNE_ISCACHED(c) ?
rl->rl_runetype[c] : ___runetype_mb(c));
}
static inline int
__isctype_w(wint_t c, _RuneType f)
{
return (!!(__runetype_w(c) & f));
}
static inline wint_t
__toupper_w(wint_t c)
{
return (_towctrans(c, _wctrans_upper(_CurrentRuneLocale)));
}
static inline wint_t
__tolower_w(wint_t c)
{
return (_towctrans(c, _wctrans_lower(_CurrentRuneLocale)));
}
int
iswalnum(wint_t c)
{
return (__isctype_w((c), _CTYPE_A|_CTYPE_D));
}
int
iswalpha(wint_t c)
{
return (__isctype_w((c), _CTYPE_A));
}
int
iswblank(wint_t c)
{
return (__isctype_w((c), _CTYPE_B));
}
int
iswcntrl(wint_t c)
{
return (__isctype_w((c), _CTYPE_C));
}
int
iswdigit(wint_t c)
{
return (__isctype_w((c), _CTYPE_D));
}
int
iswgraph(wint_t c)
{
return (__isctype_w((c), _CTYPE_G));
}
int
iswlower(wint_t c)
{
return (__isctype_w((c), _CTYPE_L));
}
int
iswprint(wint_t c)
{
return (__isctype_w((c), _CTYPE_R));
}
int
iswpunct(wint_t c)
{
return (__isctype_w((c), _CTYPE_P));
}
int
iswspace(wint_t c)
{
return (__isctype_w((c), _CTYPE_S));
}
DEF_STRONG(iswspace);
int
iswupper(wint_t c)
{
return (__isctype_w((c), _CTYPE_U));
}
DEF_STRONG(iswupper);
int
iswxdigit(wint_t c)
{
return (__isctype_w((c), _CTYPE_X));
}
wint_t
towupper(wint_t c)
{
return (__toupper_w(c));
}
wint_t
towlower(wint_t c)
{
return (__tolower_w(c));
}
DEF_STRONG(towlower);
int
wcwidth(wchar_t c)
{
if (__isctype_w((c), _CTYPE_R))
return (((unsigned)__runetype_w(c) & _CTYPE_SWM) >> _CTYPE_SWS);
return -1;
}
DEF_WEAK(wcwidth);
wctrans_t
wctrans(const char *charclass)
{
int i;
_RuneLocale *rl = _CurrentRuneLocale;
if (rl->rl_wctrans[_WCTRANS_INDEX_LOWER].te_name==NULL)
_wctrans_init(rl);
for (i=0; i<_WCTRANS_NINDEXES; i++)
if (!strcmp(rl->rl_wctrans[i].te_name, charclass))
return ((wctrans_t)&rl->rl_wctrans[i]);
return ((wctrans_t)NULL);
}
wint_t
towctrans(wint_t c, wctrans_t desc)
{
if (desc==NULL) {
errno = EINVAL;
return (c);
}
return (_towctrans(c, (_WCTransEntry *)desc));
}
wctype_t
wctype(const char *property)
{
int i;
_RuneLocale *rl = _CurrentRuneLocale;
for (i=0; i<_WCTYPE_NINDEXES; i++)
if (!strcmp(rl->rl_wctype[i].te_name, property))
return ((wctype_t)&rl->rl_wctype[i]);
return ((wctype_t)NULL);
}
int
iswctype(wint_t c, wctype_t charclass)
{
/*
* SUSv3: If charclass is 0, iswctype() shall return 0.
*/
if (charclass == (wctype_t)0) {
return 0;
}
return (__isctype_w(c, ((_WCTypeEntry *)charclass)->te_mask));
}
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