backInserter.h

/* 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