options.hh

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// This file is part of Awali.
// Copyright 2016-2023 Sylvain Lombardy, Victor Marsault, Jacques Sakarovitch
//
// Awali is a 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 3 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, see <http://www.gnu.org/licenses/>.
 
#ifndef AWALI_DYN_OPTIONS_OPTIONS_HH
#define AWALI_DYN_OPTIONS_OPTIONS_HH
 
#include <string>
#include <typeinfo>
#include <unordered_map>
 
#include <awali/common/demangle.hxx>
#include <awali/common/enum_utils.hh>
#include <awali/common/enums.hh>
#include <awali/common/priority.hh>
#include <awali/dyn/options/option.hh>
 
namespace awali { namespace dyn {
 
 
  class options_t
  {
    std::unordered_map<size_t, internal::opt_any_t> map;
 
  public:
    options_t(std::initializer_list<internal::option_value_pair_t> list);
 
    options_t(){};
 
    options_t(internal::option_value_pair_t pair) : options_t({pair}) {}
 
 
    template <typename T>
    options_t(internal::option_t<T> opt)
        : options_t((internal::option_value_pair_t) opt)
    {}
 
    options_t& operator+=(internal::option_value_pair_t const& other);
 
 
    options_t& operator+=(options_t const& other);
 
 
    template <typename T>
    typename internal::option_t<T>::value_t
    operator[](internal::option_t<T> option)
    {
      //          auto value = map.find(option.id);
      //          if (value == map.end())
      //            value = map.emplace(option.id,
      //            option.get_default_value()).first;
      //          return ((typename internal::option_t<T>::value_t&)
      //          value->second);
      auto value = map.find(option.id);
      if (value == map.end())
        return option.get_default_value();
      return ((typename internal::option_t<T>::value_t) value->second);
    }
 
    options_t operator+(internal::option_value_pair_t const& pair) const;
 
 
    options_t operator+(options_t const& other) const;
  };
 
 
}} // namespace awali::dyn
 
 
#endif