SourceID.cpp

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#pragma ident "$Id: SourceID.cpp 1889 2009-05-11 15:47:23Z afarris $"

//============================================================================
//
//  This file is part of GPSTk, the GPS Toolkit.
//
//  The GPSTk 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 2.1 of the License, or
//  any later version.
//
//  The GPSTk 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 GPSTk; if not, write to the Free Software Foundation,
//  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  Dagoberto Salazar - gAGE ( http://www.gage.es ). 2006, 2007, 2008
//
//============================================================================


#include "SourceID.hpp"


namespace gpstk
{

   std::map< SourceID::SourceType, std::string > SourceID::stStrings;


   SourceID::Initializer SourceIDsingleton;


   SourceID::Initializer::Initializer()
   {
      stStrings[Unknown]   = "UnknownSource";
      stStrings[GPS]       = "GPS";
      stStrings[Galileo]   = "Galileo";
      stStrings[Glonass]   = "Glonass";
      stStrings[Geosync]   = "Geosync";
      stStrings[LEO]       = "LEO";
      stStrings[Transit]   = "Transit";
      stStrings[DGPS]      = "DGPS";
      stStrings[RTK]       = "RTK";
      stStrings[INS]       = "INS";
      stStrings[Mixed]     = "Mixed";
   }



      // Assignment operator
   SourceID& SourceID::operator=(const SourceID& right)
   {

      if ( this == &right )
      {
         return (*this);
      }

      type = right.type;
      sourceName = right.sourceName;

      return *this;

   }  // End of 'SourceID::operator=()'



      // Convenience output method
   std::ostream& SourceID::dump(std::ostream& s) const
   {

      s << SourceID::stStrings[type] << " "
        << sourceName;

      return s;

   }  // End of method 'SourceID::dump()'



      // Returns true if this is a valid SourceID. Basically just
      // checks that none of the fields are undefined.
   bool SourceID::isValid() const
   {

      return !(type==Unknown || sourceName=="");

   }  // End of method 'SourceID::isValid()'



      // Method to create a new source type.
   SourceID::SourceType SourceID::newSourceType(const std::string& s)
   {

      SourceType newId =
         static_cast<SourceType>(SourceID::stStrings.rbegin()->first + 1);

      SourceID::stStrings[newId] = s;

      return newId;

   }  // End of method 'SourceID::newSourceType()'



      // Equality operator requires all fields to be the same.
   bool SourceID::operator==(const SourceID& right) const
   {

      return (type==right.type && sourceName==right.sourceName);

   }  // End of 'SourceID::operator==()'



      // Ordering is arbitrary but required to be able to use a SourceID
      // as an index to a std::map. If an application needs
      // some other ordering, inherit and override this function.
   bool SourceID::operator<(const SourceID& right) const
   {

      if (type == right.type)
      {
         return sourceName < right.sourceName;
      }
      else
      {
         return type < right.type;
      }

   }  // End of 'SourceID::operator<()'



   namespace StringUtils
   {

         // convert this object to a string representation
      std::string asString(const SourceID& p)
      {

         std::ostringstream oss;
         p.dump(oss);

         return oss.str();

      }  // End of function 'asString()'

   }  // End of namespace StringUtils



      // Stream output for SourceID
   std::ostream& operator<<( std::ostream& s,
                             const SourceID& p )
   {

      p.dump(s);

      return s;

   }  // End of 'operator<<'


}  // End of namespace gpstk

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