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////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 Martin Freij
//
// This file is part of Nestopia.
//
// Nestopia 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.
//
// Nestopia 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 Nestopia; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
////////////////////////////////////////////////////////////////////////////////////////
#ifndef NST_API_H
#define NST_API_H
#ifndef NST_BASE_H
#include "../NstBase.hpp"
#endif
#ifdef NST_PRAGMA_ONCE
#pragma once
#endif
#ifndef NST_CALLBACK
#define NST_CALLBACK NST_CALL
#endif
#if NST_MSVC >= 1200
#pragma warning( push )
#pragma warning( disable : 4512 )
#endif
namespace Nes
{
namespace Core
{
class Machine;
template<typename T>
class UserCallback : public ImplicitBool< UserCallback<T> >
{
public:
typedef void* UserData;
typedef T Function;
protected:
Function function;
UserData userdata;
UserCallback()
: function(0), userdata(0) {}
public:
void Set(Function f,UserData d)
{
function = f;
userdata = d;
}
void Unset()
{
function = 0;
userdata = 0;
}
void Get(Function& f,UserData& d) const
{
f = function;
d = userdata;
}
bool operator ! () const
{
return !function;
}
};
}
namespace Api
{
class Base
{
public:
typedef void* UserData;
protected:
Core::Machine& emulator;
Base(Core::Machine& e)
: emulator(e) {}
};
}
}
#if NST_MSVC >= 1200
#pragma warning( pop )
#endif
#endif
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