scummvm/engines/crab/backInserter.h

60 lines
1.7 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef CRAB_BACKINSERTER_H
#define CRAB_BACKINSERTER_H
#include "common/util.h"
namespace Crab {
template<class Container>
class backInserterIterator {
protected:
Container *_container;
public:
explicit backInserterIterator(Container &x) : _container(&x) {}
backInserterIterator &operator=(const typename Container::value_type &value) {
*_container += value;
return *this;
}
backInserterIterator &operator=(const typename Container::value_type &&value) {
*_container += Common::move(value);
return *this;
}
backInserterIterator &operator*() { return *this; }
backInserterIterator &operator++() { return *this; }
backInserterIterator &operator++(int) { return *this; }
};
template<class Container>
backInserterIterator<Container>
backInserter(Container &x) {
return backInserterIterator<Container>(x);
}
} // End of namespace Crab
#endif