#ifndef CPPA_OPT_HPP

#define CPPA_OPT_HPP

#include <map>

#include <string>

#include <vector>

#include <iostream>

#include <functional>

#include "cppa/on.hpp"

#include "cppa/optional.hpp"

#include "cppa/detail/demangle.hpp"

#include "cppa/detail/opt_impls.hpp"

namespace cppa {

template<typename T>

detail::rd_arg_functor<T> rd_arg(T& storage) {

return {storage};

}

template<typename T>

detail::add_arg_functor<T> add_arg(std::vector<T>& storage) {

return {storage};

}

inline std::function<void()> set_flag(bool& storage) {

return [&] { storage = true; };

}

struct option_info {

std::string help_text;

size_t num_args;

};

typedef std::map<std::string, std::map<std::pair<char, std::string>, option_info> >

options_description;

detail::opt1_rvalue_builder<true> on_opt1(char short_opt,

std::string long_opt,

options_description* desc = nullptr,

std::string help_text = "",

std::string help_group = "general options");

detail::opt0_rvalue_builder on_opt0(char short_opt,

std::string long_opt,

options_description* desc = nullptr,

std::string help_text = "",

std::string help_group = "general options");

std::function<void()> print_desc(options_description* desc,

std::ostream& out = std::cout);

std::function<void()> print_desc_and_exit(options_description* desc,

std::ostream& out = std::cout,

int exit_reason = 0);

} // namespace cppa

#endif // CPPA_OPT_HPP