cli_args.hpp

//
// (c) Copyright 2012 DESY, Eugen Wintersberger <eugen.wintersberger@desy.de>
//
// This file is part of libpnicore.
//
// libpnicore 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.
//
// libpnicore 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 libpnicore.  If not, see <http://www.gnu.org/licenses/>.
//
// ============================================================================
//
// Created on: Dec, 27 2012
//     Author: Eugen Wintersberger <eugen.wintersberger@desy.de>
//
#pragma once

#include <iostream>
#include <vector>
#include "../types.hpp"

extern "C"
{
#include<string.h>
}

namespace pni{
namespace core{



    class cli_args
    {
        private:
            int _argc;
            char **_argv;
             
        public:
            //------------------------------------------------------------------
            template<typename CTYPE> cli_args(const CTYPE &str_cont);

            //------------------------------------------------------------------
            ~cli_args();

            //------------------------------------------------------------------
            const char **argv()const;

            //------------------------------------------------------------------
            int argc() const;
    };

    //--------------------------------------------------------------------------
    template<typename CTYPE> cli_args::cli_args(const CTYPE &str_cont):
        _argc(str_cont.size()+1),
        _argv(new char*[str_cont.size()+1])
    {
        size_t index = 1;
        _argv[0] = new char;

        for(auto iter=str_cont.begin();iter!=str_cont.end();++iter)
        {
            //allocate memory 
            _argv[index] = new char[iter->size()+1];

            //copy string
            strncpy(_argv[index],iter->c_str(),iter->size()+1); 
            
            index++; //increment argument index
        }

    }

    //--------------------------------------------------------------------------
    std::ostream &operator<<(std::ostream &ostr,const cli_args &args);

//end of namespace
}
}