configuration.h

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#pragma once
#include <string>
#include <unordered_map>
 
namespace reinforcement_learning
{
namespace utility
{
class configuration;
}
}  // namespace reinforcement_learning
 
std::ostream& operator<<(std::ostream& os, const reinforcement_learning::utility::configuration&);
 
namespace reinforcement_learning
{
namespace utility
{
class configuration
{
public:
  configuration() = default;
  ~configuration() = default;
  configuration(const configuration&) = default;
  configuration& operator=(const configuration&) = default;
  configuration& operator=(configuration&&) = default;
  configuration(configuration&&) = default;
 
  void set(const char* name, const char* value);
  const char* get(const char* name, const char* defval) const;
  int get_int(const char* name, int defval) const;
  bool get_bool(const char* name, bool defval) const;
  float get_float(const char* name, float defval) const;
  friend std::ostream& ::operator<<(std::ostream& os, const reinforcement_learning::utility::configuration&);
 
  bool get_bool(const char* section, const char* name, bool defval) const;
 
private:
  using map_type = std::unordered_map<std::string, std::string>;  
  map_type _pmap;                                                 
};
}  // namespace utility
}  // namespace reinforcement_learning