149 lines
3.1 KiB
C
149 lines
3.1 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2006-2019 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <qse/cmn/str.h>
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#include <qse/cmn/chr.h>
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qse_size_t qse_mbspac (qse_mchar_t* str)
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{
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qse_mchar_t* p = str, * q = str;
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while (QSE_ISMSPACE(*p)) p++;
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while (*p != QSE_MT('\0'))
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{
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if (QSE_ISMSPACE(*p))
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{
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*q++ = *p++;
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while (QSE_ISMSPACE(*p)) p++;
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}
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else *q++ = *p++;
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}
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if (q > str && QSE_ISMSPACE(q[-1])) q--;
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*q = QSE_MT('\0');
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return q - str;
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}
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qse_size_t qse_mbsxpac (qse_mchar_t* str, qse_size_t len)
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{
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qse_mchar_t* p = str, * q = str, * end = str + len;
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int followed_by_space = 0;
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int state = 0;
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while (p < end)
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{
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if (state == 0)
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{
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if (!QSE_ISMSPACE(*p))
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{
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*q++ = *p;
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state = 1;
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}
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}
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else if (state == 1)
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{
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if (QSE_ISMSPACE(*p))
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{
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if (!followed_by_space)
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{
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followed_by_space = 1;
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*q++ = *p;
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}
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}
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else
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{
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followed_by_space = 0;
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*q++ = *p;
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}
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}
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p++;
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}
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return (followed_by_space) ? (q - str -1): (q - str);
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}
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qse_size_t qse_wcspac (qse_wchar_t* str)
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{
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qse_wchar_t* p = str, * q = str;
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while (QSE_ISWSPACE(*p)) p++;
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while (*p != QSE_WT('\0'))
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{
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if (QSE_ISWSPACE(*p))
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{
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*q++ = *p++;
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while (QSE_ISWSPACE(*p)) p++;
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}
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else *q++ = *p++;
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}
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if (q > str && QSE_ISWSPACE(q[-1])) q--;
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*q = QSE_WT('\0');
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return q - str;
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}
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qse_size_t qse_wcsxpac (qse_wchar_t* str, qse_size_t len)
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{
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qse_wchar_t* p = str, * q = str, * end = str + len;
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int followed_by_space = 0;
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int state = 0;
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while (p < end)
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{
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if (state == 0)
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{
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if (!QSE_ISWSPACE(*p))
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{
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*q++ = *p;
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state = 1;
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}
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}
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else if (state == 1)
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{
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if (QSE_ISWSPACE(*p))
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{
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if (!followed_by_space)
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{
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followed_by_space = 1;
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*q++ = *p;
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}
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}
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else
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{
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followed_by_space = 0;
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*q++ = *p;
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}
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}
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p++;
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}
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return (followed_by_space) ? (q - str -1): (q - str);
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}
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