configuration.hpp

/*
  ANCH Framework: ANother C++ Hack is a C++ framework based on C++11 standard
  Copyright (C) 2012 Vincent Lachenal
 
  This file is part of ANCH Framework.
 
  ANCH Framework is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  ANCH Framework 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 Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public License
  along with ANCH Framework.  If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
 
#include <map>
#include <optional>
#include <string>
#include <vector>
#include <filesystem>
 
#include "conf/section.hpp"
#include "conf/confError.hpp"
 
namespace anch::conf {

  class Configuration {
 
    // Attributes +
  private:
    bool _loaded;

    std::string _name;

    std::vector<std::string> _profiles;

    std::vector<std::string> _includes;

    std::vector<std::string> _folders;

    anch::conf::Section _root;
    // Attributes -
 
    // Constructors +
  private:
    Configuration();
 
  public:
    Configuration(const Configuration& conf) = delete;

    Configuration(Configuration&& conf) = delete;
    // Constructors -
 
    // Destructor +
  private:
    virtual ~Configuration();
    // Destructor -
 
    // Methods +
  public:
    static const Configuration& inst();

    static Configuration& loader() noexcept;

    Configuration& folders(const std::vector<std::filesystem::path>& folders) noexcept;

    Configuration& name(const std::string& name) noexcept;

    Configuration& profiles(const std::vector<std::string>& profiles) noexcept;

    Configuration& load();

    const anch::conf::Section* section(const std::string& path) const noexcept;

    std::optional<std::string> value(const std::string& path) const noexcept;
 
  private:
    void loadProfile(const std::string& profile);
    // Methods -
 
  };
 
}
 
#include "conf/impl/configuration.hpp"