placeholders.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 <string>
#include <map>
 
#include "conf/section.hpp"
#include "conf/confError.hpp"
#include "conf/subplaceholder.hpp"
 
#include "events/observable.hpp"
 
namespace anch::conf {
 
  struct ConfPlaceholders;

  class Placeholders: anch::events::Observable<anch::conf::ResConfEvt> {
 
    // Attributes +
  private:
    anch::conf::Section& _section;

    std::map<std::string, anch::conf::ConfPlaceholders> _values;
    // Attributes -
 
    // Constructors +
  public:
    Placeholders() = delete;

    Placeholders(const Placeholders& other) = delete;

    Placeholders(Placeholders&& other) = delete;

    Placeholders(anch::conf::Section& section) noexcept;
    // Constructors -
 
    // Destructor +
    virtual ~Placeholders() noexcept;
    // Destructor -
 
    // Methods +
  public:
    bool collect();

    void resolve();
 
  private:
    void collect(anch::conf::Section& section, const std::string& path = "");

    void parsePlaceholder(anch::conf::ConfPlaceholders& cph, const std::string& placeholder);
    // Methods -
 
  };
 
}
 
#include "impl/placeholders.hpp"