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https://github.com/libretro/scummvm.git
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2db5747642
- Changed Common::Queue::front and Common::Queue::back to return references instead of values svn-id: r34240
95 lines
2.0 KiB
C++
95 lines
2.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/branches/gsoc2008-rtl/common/stack.h $
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* $Id$
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*/
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#ifndef COMMON_QUEUE_H
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#define COMMON_QUEUE_H
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#include "common/scummsys.h"
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#include "common/list.h"
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namespace Common {
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/**
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* Variable size Queue class, implemented using our List class.
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*/
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template<class T>
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class Queue {
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public:
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typedef T value_type;
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public:
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Queue<T>() : _impl() {}
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Queue<T>(const Queue<T> &queue) : _impl(queue._impl) {}
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Queue<T> &operator=(const Queue<T> &queue) {
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_impl = queue._impl;
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return *this;
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}
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bool empty() const {
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return _impl.empty();
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}
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void clear() {
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_impl.clear();
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}
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void push(const T &x) {
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_impl.push_back(x);
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}
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T &front() {
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return *_impl.begin();
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}
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const T &front() const {
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return *_impl.begin();
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}
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T &back() {
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return *_impl.reverse_begin();
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}
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const T &back() const {
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return *_impl.reverse_begin();
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}
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T pop() {
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T tmp = front();
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_impl.pop_front();
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return tmp;
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}
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int size() const {
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return _impl.size();
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}
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private:
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List<T> _impl;
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};
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} // End of namespace Common
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#endif
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