time.hpp

#ifndef NGEN_REALIZATION_CONFIG_TIME_H
#define NGEN_REALIZATION_CONFIG_TIME_H
 
#include <boost/property_tree/ptree.hpp>
#include <string>
 
#include "Simulation_Time.hpp"
 
namespace realization{
  namespace config{
    struct Time{
        std::string start_time;
        std::string end_time;
        unsigned int output_interval;
        
        Time(const boost::property_tree::ptree& tree){
                start_time = tree.get("start_time", std::string());
                end_time = tree.get("end_time", std::string());
                output_interval = tree.get("output_interval", 0);
        }
 
        simulation_time_params make_params(){
            std::vector<std::string> missing_simulation_time_parameters;
 
            if (start_time.empty()){
                missing_simulation_time_parameters.push_back("start_time");
            }
 
            if (end_time.empty()) {
                missing_simulation_time_parameters.push_back("end_time");
            }
 
            if (output_interval == 0) {
                missing_simulation_time_parameters.push_back("output_interval");
            }
 
            if (missing_simulation_time_parameters.size() > 0) {
                std::string message = "ERROR: A simulation time parameter cannot be created; the following parameters are missing or invalid: ";
 
                for (int missing_parameter_index = 0; missing_parameter_index < missing_simulation_time_parameters.size(); missing_parameter_index++) {
                    message += missing_simulation_time_parameters[missing_parameter_index];
 
                    if (missing_parameter_index < missing_simulation_time_parameters.size() - 1) {
                        message += ", ";
                    }
                }
                
                throw std::runtime_error(message);
            }
            return simulation_time_params(
                        start_time,
                        end_time,
                        output_interval
                    );
        }
    };
  }//end namespace config
}//end namespace realization
#endif //NGEN_REALIZATION_CONFIG_TIME_H