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/*
* $Id$
*
* Copyright (C) 2003 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Original Author: Adrian Havill <havill@redhat.com>
*
* Contributors:
*/
#include "wlite_config.h" // wchar_t, NULL, size_t
#include "wlite_wchar.h" // prototypes
#include "wlite_wctype.h"
#include "wlite_stdlib.h"
extern const wlite_map_t_ wlite_case[]; extern const size_t wlite_case_n;
extern const wlite_map_t_ wlite_fixw[]; extern const size_t wlite_fixw_n;
wlite_wint_t
wlite_towctrans(wlite_wint_t c, wlite_wctrans_t desc) {
const wchar_t upper[] = L"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const wchar_t lower[] = L"abcdefghijklmnopqrstuvwxyz";
const wchar_t *ptr;
#if WLITE_EXTENSIONS
wlite_map_t_ key, *map;
const void *base;
size_t nelem, size;
#endif
switch (desc) {
case wlite_toupper_:
ptr = wlite_wcschr(lower, c);
if (ptr != NULL) {
return upper[ptr - lower];
}
return c;
case wlite_tolower_:
ptr = wlite_wcschr(upper, c);
if (ptr != NULL) {
return lower[ptr - upper];
}
return c;
#if WLITE_EXTENSIONS
case wlite_tocase_:
key.from = c;
base = wlite_case;
nelem = wlite_case_n;
size = sizeof(wlite_map_t_);
map = wlite_bsearch_(&key, base, nelem, size, wlite_map_t_cmp_);
return map == NULL ? c : map->to;
case wlite_tokata_: // TODO
key.from = c;
size = sizeof(wlite_map_t_);
return c;
case wlite_tonorm_:
key.from = c;
base = wlite_fixw;
nelem = wlite_fixw_n;
size = sizeof(wlite_map_t_);
map = wlite_bsearch_(&key, base, nelem, size, wlite_map_t_cmp_);
return map == NULL ? c : map->to;
#endif
}
return WLITE_WEOF;
}
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