readparameters.h

/*
 * This file is part of Vlasiator.
 * Copyright 2010-2016 Finnish Meteorological Institute
 *
 * For details of usage, see the COPYING file and read the "Rules of the Road"
 * at http://www.physics.helsinki.fi/vlasiator/
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef READPARAMETERS_H
#define READPARAMETERS_H
#include <limits>
#include <mpi.h>
#include <stdint.h>
#include <string>
#include <vector>

#include "common.h"

struct Readparameters {
    Readparameters(int argc, char* argv[],MPI_Comm comm);
    static bool add(const std::string& name,const std::string& desc,const std::string& defValue);
    static bool add(const std::string& name,const std::string& desc,const bool& defValue);
    static bool add(const std::string& name,const std::string& desc,const int& defValue);
    static bool add(const std::string& name,const std::string& desc,const unsigned int& defValue);
    static bool add(const std::string& name,const std::string& desc,const float& defValue);
    static bool add(const std::string& name,const std::string& desc,const double& defValue);

    static bool get(const std::string& name,std::string& value);
    static bool get(const std::string& name,bool& value);
    static bool get(const std::string& name,int& value);
    static bool get(const std::string& name,unsigned int& value);
    static bool get(const std::string& name,unsigned long& value);
    static bool get(const std::string& name,float& value);
    static bool get(const std::string& name,double& value);

//Functions for composing options (can be defined multiple times and are all returned as a vector)
    static bool addComposing(const std::string& name,const std::string& desc);
    static bool get(const std::string& name,std::vector<std::string>& value);
    static bool get(const std::string& name,std::vector<int>& value);
    static bool get(const std::string& name,std::vector<unsigned int>& value);
    static bool get(const std::string& name,std::vector<float>& value);
    static bool get(const std::string& name,std::vector<double>& value);

    
    static bool finalize();
    static void helpMessage();
    static bool versionMessage();
    static bool isInitialized();
    static bool parse(const bool needsRunConfig=true);
   
   static bool helpRequested;
   
private:
    static int argc;                  /**< How many entries argv contains.*/
    static char** argv;              /**< Pointer to char* array containing command line parameters.*/
    static int rank;
    static MPI_Comm comm;
   
    /** Private default constructor to prevent incorrect initialization.*/
    Readparameters();
    static bool addDefaultParameters();
};

#endif