DataStatus.hpp

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//==============================================================================
//
//  This file is part of GNSSTk, the ARL:UT GNSS Toolkit.
//
//  The GNSSTk is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
//  by the Free Software Foundation; either version 3.0 of the License, or
//  any later version.
//
//  The GNSSTk 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 Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with GNSSTk; if not, write to the Free Software Foundation,
//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
//
//  This software was developed by Applied Research Laboratories at the
//  University of Texas at Austin.
//  Copyright 2004-2022, The Board of Regents of The University of Texas System
//
//==============================================================================
 
//==============================================================================
//
//  This software was developed by Applied Research Laboratories at the
//  University of Texas at Austin, under contract to an agency or agencies
//  within the U.S. Department of Defense. The U.S. Government retains all
//  rights to use, duplicate, distribute, disclose, or release this software.
//
//  Pursuant to DoD Directive 523024
//
//  DISTRIBUTION STATEMENT A: This software has been approved for public
//                            release, distribution is unlimited.
//
//==============================================================================
 
#ifndef DATASTATUS_HPP
#define DATASTATUS_HPP
 
#include <iostream>
 
namespace gnsstk
{
   class DataStatus
   {
      std::ios_base::iostate state;
 
   public:
 
      DataStatus() : state(std::ios_base::goodbit) {};
 
      bool good() const
      {return rdstate() == std::ios_base::goodbit;}
 
      std::ios_base::iostate rdstate() const
      {return state;}
 
      void clear(std::ios_base::iostate s = std::ios_base::goodbit)
      {state=s;}
 
      void setstate(std::ios_base::iostate s)
      {clear(rdstate() | s);}
 
      void clearstate(std::ios_base::iostate s)
      {state &= ~s;}
 
      bool operator()() const
      {return good();}
 
      operator void*() const
      {return good() ? const_cast<DataStatus*>(this) : 0;}
   };
 
   static const std::ios_base::iostate crcbit = std::ios_base::iostate(0x01);
   static const std::ios_base::iostate fmtbit = std::ios_base::iostate(0x02);
   static const std::ios_base::iostate lenbit = std::ios_base::iostate(0x04);
   static const std::ios_base::iostate parbit = std::ios_base::iostate(0x08);
 
   class CRCDataStatus : public DataStatus
   {
   public:
      bool crcerr() const {return (rdstate() & crcbit) != 0;}
      bool fmterr() const {return (rdstate() & fmtbit) != 0;}
      bool lenerr() const {return (rdstate() & lenbit) != 0;}
      bool parerr() const {return (rdstate() & parbit) != 0;}
   };
} // namespace gnsstk
 
#endif // DATASTATUS_HPP