cpp-logger/include/logger/log_manager.h

//
//  log_manager.hpp
//  logging
//
//  Created by Sam Jaffe on 4/1/19.
//

#pragma once

#include <memory>
#include <string>

namespace objects { namespace prototype {
  template <typename, typename...> class factory;
}}

namespace logging {
  class appender;
  class c_logger;
  class layout;
  class logger;
  class properties;

  /**
   * A singleton object that is designed for use constructing the various
   * loggers. At program start time, the programmer should provide the
   * configuration properties to the manager. Once the configuration has been
   * applied, you can then request loggers from the system.
   * TODO: Have manager automatically check certain locations for a config file
   */
  class manager {
  private:
    std::unique_ptr<struct manager_impl> pimpl_;

  public:
    static manager & instance();

    /**
     * Functions to construct logger handles for use. When providing an unknown
     * logger name, the default logger_impl will be used instead (with the given
     * name wrapped around it).
     */
    logger get(std::string const & name = "");
    c_logger c_get(std::string const & name = "");

    void configure(properties const & props);

    manager();
    ~manager();
  };

  using appenders = objects::prototype::factory<std::shared_ptr<appender>,
                                                properties const &>;
  using layouts =
      objects::prototype::factory<std::shared_ptr<layout>, properties const &>;
}