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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 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 COMMON_QUEUE_H
#define COMMON_QUEUE_H
#include "common/scummsys.h"
#include "common/list.h"
namespace Common {
/**
* @defgroup common_queue Queue
* @ingroup common
*
* @brief API and templates for queues.
* @{
*/
/**
* Variable size Queue class, implemented using our List class.
*/
template<class T>
class Queue {
//public:
// typedef T value_type;
public:
bool empty() const {
return _impl.empty();
}
void clear() {
_impl.clear();
}
void push(const T &x) {
_impl.push_back(x);
}
T &front() {
return _impl.front();
}
const T &front() const {
return _impl.front();
}
T &back() {
return _impl.back();
}
const T &back() const {
return _impl.back();
}
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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