qse/qse/lib/cmn/str-pac.c

143 lines
2.5 KiB
C

/*
* $Id$
*
Copyright 2006-2014 Chung, Hyung-Hwan.
This file is part of QSE.
QSE 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 3 of
the License, or (at your option) any later version.
QSE 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 QSE. If not, see <http://www.gnu.org/licenses/>.
*/
#include <qse/cmn/str.h>
#include <qse/cmn/chr.h>
qse_size_t qse_mbspac (qse_mchar_t* str)
{
qse_mchar_t* p = str, * q = str;
while (QSE_ISMSPACE(*p)) p++;
while (*p != QSE_MT('\0'))
{
if (QSE_ISMSPACE(*p))
{
*q++ = *p++;
while (QSE_ISMSPACE(*p)) p++;
}
else *q++ = *p++;
}
if (q > str && QSE_ISMSPACE(q[-1])) q--;
*q = QSE_MT('\0');
return q - str;
}
qse_size_t qse_mbsxpac (qse_mchar_t* str, qse_size_t len)
{
qse_mchar_t* p = str, * q = str, * end = str + len;
int followed_by_space = 0;
int state = 0;
while (p < end)
{
if (state == 0)
{
if (!QSE_ISMSPACE(*p))
{
*q++ = *p;
state = 1;
}
}
else if (state == 1)
{
if (QSE_ISMSPACE(*p))
{
if (!followed_by_space)
{
followed_by_space = 1;
*q++ = *p;
}
}
else
{
followed_by_space = 0;
*q++ = *p;
}
}
p++;
}
return (followed_by_space) ? (q - str -1): (q - str);
}
qse_size_t qse_wcspac (qse_wchar_t* str)
{
qse_wchar_t* p = str, * q = str;
while (QSE_ISWSPACE(*p)) p++;
while (*p != QSE_WT('\0'))
{
if (QSE_ISWSPACE(*p))
{
*q++ = *p++;
while (QSE_ISWSPACE(*p)) p++;
}
else *q++ = *p++;
}
if (q > str && QSE_ISWSPACE(q[-1])) q--;
*q = QSE_WT('\0');
return q - str;
}
qse_size_t qse_wcsxpac (qse_wchar_t* str, qse_size_t len)
{
qse_wchar_t* p = str, * q = str, * end = str + len;
int followed_by_space = 0;
int state = 0;
while (p < end)
{
if (state == 0)
{
if (!QSE_ISWSPACE(*p))
{
*q++ = *p;
state = 1;
}
}
else if (state == 1)
{
if (QSE_ISWSPACE(*p))
{
if (!followed_by_space)
{
followed_by_space = 1;
*q++ = *p;
}
}
else
{
followed_by_space = 0;
*q++ = *p;
}
}
p++;
}
return (followed_by_space) ? (q - str -1): (q - str);
}