config.hpp

#pragma once

#include <vector>
#include <string>
#include <iostream>
#include <boost/program_options.hpp>
#include <boost/shared_ptr.hpp>
#include "utils/stl_to_string.hpp"

namespace util {


namespace po = boost::program_options;

struct ParameterBase {
  std::string m_name;
  std::string m_desc;
  ParameterBase(const std::string& name, const std::string& desc) : m_name(name), m_desc(desc) {}
  virtual void addToBoost(po::options_description&) = 0;
  virtual ~ParameterBase() {}
};
typedef boost::shared_ptr<ParameterBase> ParameterBasePtr;

template <typename T>
struct ParameterVec : ParameterBase {
  std::vector<T>* m_value;
  ParameterVec(std::string name, std::vector<T>* value, std::string desc) :
    ParameterBase(name, desc),
    m_value(value) {}
  void addToBoost(po::options_description& od) {
    od.add_options()(m_name.c_str(), po::value(m_value)->default_value(*m_value, Str(*m_value))->multitoken(), m_desc.c_str());
  }
};

template <typename T>
struct Parameter : ParameterBase {
  T* m_value;
  Parameter(std::string name, T* value, std::string desc) :
    ParameterBase(name, desc),
    m_value(value) {}
  void addToBoost(po::options_description& od) {
    od.add_options()(m_name.c_str(), po::value(m_value)->default_value(*m_value, Str(*m_value)), m_desc.c_str());
  }
};

struct Config {
  std::vector< ParameterBasePtr > params;
  void add(ParameterBase* param) {params.push_back(ParameterBasePtr(param));}
};

struct CommandParser {
  std::vector<Config> configs;
  void addGroup(const Config& config) {
      configs.push_back(config);
  }
  CommandParser(const Config& config) {
    addGroup(config);
  }
  void read(int argc, char* argv[]);
};

}