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/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*/
#ifndef COMMON_QUEUE_H
#define COMMON_QUEUE_H
#include "common/scummsys.h"
#include "common/list.h"
namespace Common {
/**
* Variable size Queue class, implemented using our List class.
*/
template<class T>
class Queue {
//public:
// typedef T value_type;
public:
Queue<T>() : _impl() {}
Queue<T>(const Queue<T> &queue) : _impl(queue._impl) {}
bool empty() const {
return _impl.empty();
}
void clear() {
_impl.clear();
}
void push(const T &x) {
_impl.push_back(x);
}
T &front() {
return *_impl.begin();
}
const T &front() const {
return *_impl.begin();
}
T &back() {
return *_impl.reverse_begin();
}
const T &back() const {
return *_impl.reverse_begin();
}
T pop() {
T tmp = front();
_impl.pop_front();
return tmp;
}
int size() const {
return _impl.size();
}
private:
List<T> _impl;
};
} // End of namespace Common
#endif
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