CommandOptionParser.hpp

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#pragma ident "$Id: CommandOptionParser.hpp 160 2006-09-29 14:51:56Z architest $"



#ifndef COMMANDOPTIONPARSER_HPP
#define COMMANDOPTIONPARSER_HPP

//============================================================================
//
//  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
//  
//  Copyright 2004, The University of Texas at Austin
//
//============================================================================

//============================================================================
//
//This software 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 "CommandOption.hpp"

#include <vector>
#include <map>
#include <ostream>

namespace gpstk
{

   class CommandOptionParser
   {
   public:
      typedef std::map<std::string, gpstk::CommandOption*> CommandOptionMap;
      
      CommandOptionParser(const std::string& description,
                          const CommandOptionVec optList = 
                          defaultCommandOptionList)
         : optionVec(optList), hasRequiredArguments(false), 
           hasOptionalArguments(false), text(description)

         {}

      CommandOptionParser& addOption(gpstk::CommandOption& co)
         { optionVec.push_back(&co); return *this; }
      
      void parseOptions(int argc,  char* argv[]);
      
      bool hasErrors() { return !errorStrings.empty(); }
      std::ostream& dumpErrors(std::ostream& out);

      std::ostream& displayUsage(std::ostream& out, bool doPretty=true);

   private:
      void resizeOptionArray(struct option* &oldArray, unsigned long& oldSize);
      
      CommandOptionVec optionVec;
      std::vector<std::string> errorStrings;
         //std::vector<std::string> remainingArguments;

      bool hasRequiredArguments;
      bool hasOptionalArguments;

      std::string text;

      std::string progName;
   };
}

#endif

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