RinexDatum.cpp

Go to the documentation of this file.

//==============================================================================
//
//  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.
//
//==============================================================================
 
#include "RinexDatum.hpp"
#include "Exception.hpp"
#include "StringUtils.hpp"
 
namespace gnsstk
{
   RinexDatum ::
   RinexDatum()
         : data(0), lli(0), ssi(0),
           dataBlank(false), lliBlank(false), ssiBlank(false)
   {
         // blanks are false by default for backwards compatibility
   }
 
 
   RinexDatum ::
   RinexDatum(const std::string& str)
   {
      fromString(str);
   }
 
 
   void RinexDatum ::
   fromString(const std::string& str)
   {
      std::string tmpStr;
      GNSSTK_ASSERT(str.length() == 16);
      tmpStr = str.substr(0, 14);
      if (tmpStr.find_last_not_of(" ") == std::string::npos)
      {
         data = 0.;
         dataBlank = true;
      }
      else
      {
         data = StringUtils::asDouble(tmpStr);
         dataBlank = false;
      }
      tmpStr = str.substr(14, 1);
      if (tmpStr == " ")
      {
         lli = 0.;
         lliBlank = true;
      }
      else
      {
         lli = StringUtils::asInt(tmpStr);
         lliBlank = false;
      }
      tmpStr = str.substr(15, 1);
      if (tmpStr == " ")
      {
         ssi = 0.;
         ssiBlank = true;
      }
      else
      {
         ssi = StringUtils::asInt(tmpStr);
         ssiBlank = false;
      }
   }
 
 
   std::string RinexDatum ::
   asString() const
   {
      std::string rv;
      using gnsstk::StringUtils::rightJustify;
 
      if (!dataBlank)
      {
            // double 14.3
         rv += rightJustify(gnsstk::StringUtils::asString(data, 3), 14);
      }
      else
      {
         rv += std::string(14, ' ');
      }
      if ((lli != 0) || !lliBlank)
      {
         rv += rightJustify(gnsstk::StringUtils::asString<short>(lli),1);
      }
      else
      {
         rv += " ";
      }
      if ((ssi != 0) || !ssiBlank)
      {
         rv += rightJustify(gnsstk::StringUtils::asString<short>(ssi),1);
      }
      else
      {
         rv += " ";
      }
      return rv;
   } // asString() const
 
} // namespace gnsstk