cdesktopenv/cde/programs/nsgmls/ISetIter.h

64 lines
1.6 KiB
C++

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they 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 these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: ISetIter.h /main/1 1996/07/29 16:54:26 cde-hp $ */
// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#ifndef ISetIter_INCLUDED
#define ISetIter_INCLUDED
#include <stddef.h>
#include "ISet.h"
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
template<class T>
class ISetIter {
public:
ISetIter(const ISet<T> &s) : p_(&s), i_(0) { }
// min and max are not changed if 0 is returned.
int next(T &min, T &max)
{
if (i_ < p_->r_.size()) {
min = p_->r_[i_].min;
max = p_->r_[i_].max;
i_++;
return 1;
}
else
return 0;
}
private:
const ISet<T> *p_;
size_t i_;
};
#ifdef SP_NAMESPACE
}
#endif
#endif /* ISetIter_INCLUDED */