mirror of
https://github.com/0ldsk00l/nestopia.git
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96 lines
2.1 KiB
C++
96 lines
2.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////
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//
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// Nestopia - NES/Famicom emulator written in C++
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//
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// Copyright (C) 2003-2008 Martin Freij
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//
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// This file is part of Nestopia.
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//
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// Nestopia is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// Nestopia 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 Nestopia; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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////////////////////////////////////////////////////////////////////////////////////////
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#ifndef NST_OBJECT_POD_H
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#define NST_OBJECT_POD_H
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#pragma once
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#include <cstring>
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#include "NstMain.hpp"
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namespace Nestopia
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{
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namespace Object
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{
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template<typename T> class Pod : public T
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{
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void Copy(const T& type)
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{
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std::memcpy( static_cast<T*>(this), &type, sizeof(T) );
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}
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int Compare(const T& type) const
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{
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return std::memcmp( static_cast<const T*>(this), &type, sizeof(T) );
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}
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public:
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void Clear()
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{
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std::memset( static_cast<T*>(this), 0, sizeof(T) );
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}
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Pod()
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{
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NST_COMPILE_ASSERT( sizeof(*this) == sizeof(T) );
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Clear();
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}
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Pod(const T& type)
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{
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Copy( type );
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}
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Pod& operator = (const T& type)
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{
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Copy( type );
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return *this;
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}
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bool operator == (const T& type) const
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{
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return Compare( type ) == 0;
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}
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bool operator != (const T& type) const
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{
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return Compare( type ) != 0;
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}
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bool operator < (const T& type) const
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{
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return Compare( type ) < 0;
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}
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bool operator > (const T& type) const
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{
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return Compare( type ) > 0;
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}
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};
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}
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}
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#endif
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