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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_BARCODEREADER_H
#define NST_API_BARCODEREADER_H
#include "NstApi.hpp"
#ifdef NST_PRAGMA_ONCE
#pragma once
#endif
#if NST_ICC >= 810
#pragma warning( push )
#pragma warning( disable : 444 )
#elif NST_MSVC >= 1200
#pragma warning( push )
#pragma warning( disable : 4512 )
#endif
namespace Nes
{
namespace Core
{
class BarcodeReader;
}
namespace Api
{
/**
* Bar code reader interface.
*/
class BarcodeReader : public Base
{
Core::BarcodeReader* Query() const;
public:
/**
* Interface constructor.
*
* @param instance emulator instance
*/
template<typename T>
BarcodeReader(T& instance)
: Base(instance) {}
enum
{
MIN_DIGITS = 8,
MAX_DIGITS = 13
};
/**
* Checks if the number of bar code digits is supported.
*
* @param length number of digits in the range 8 to 13
* @return true if supported
*/
bool IsDigitsSupported(uint length) const throw();
/**
* Checks if the reader is ready to scan.
*
* @return true if ready
*/
bool CanTransfer() const throw();
/**
* Generates a randomized bar code.
*
* @param string string to be filled
* @return length of randomized bar code, 0 if reader is disconnected
*/
uint Randomize(char (&string)[MAX_DIGITS+1]) const throw();
/**
* Transfers a bar code to the reader.
*
* @param string bar code string
* @param length string length
* @return result code
*/
Result Transfer(const char* string,uint length) throw();
/**
* Checks if a reader is connected.
*
* @return true if connected
*/
bool IsConnected() const
{
return Query();
}
};
}
}
#if NST_MSVC >= 1200 || NST_ICC >= 810
#pragma warning( pop )
#endif
#endif
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