config.hpp

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#ifndef DCS_ANDOR_CONFIG_HPP_H_
#define DCS_ANDOR_CONFIG_HPP_H_
 
#include <yaml-cpp/yaml.h>
#include <optional>
 
namespace ifw::fgf::andor {
 
  constexpr auto NODE_CAMERA                        = "Camera";  
  constexpr auto NODE_SERVER                        = "Server";
 
  constexpr auto FEATURE_SENSOR_COOLING             = "SensorCooling";
  constexpr auto FEATURE_TEMPERATURE_CTRL           = "TemperatureControl";
  constexpr auto FEATURE_FAN_SPEED                  = "FanSpeed";
  constexpr auto FEATURE_PIXEL_ENCODING             = "PixelEncoding";
  constexpr auto FEATURE_ELECTRONIC_SHUTTERING_MODE = "ElectronicShutteringMode";
  constexpr auto FEATURE_GAIN_MODE                  = "GainMode";
  constexpr auto FEATURE_METADATA_ENABLE            = "MetadataEnable";
  constexpr auto FEATURE_TRIGGER_MODE               = "TriggerMode";
  constexpr auto FEATURE_OVERLAP                    = "Overlap";
  constexpr auto FEATURE_PIXEL_READOUT_RATE         = "PixelReadoutRate";
  constexpr auto FEATURE_AOI_HBIN                   = "Binx";
  constexpr auto FEATURE_AOI_VBIN                   = "Biny";
  constexpr auto FEATURE_AOI_WIDTH                  = "Width";
  constexpr auto FEATURE_AOI_HEIGHT                 = "Height";
  constexpr auto FEATURE_AOI_LEFT                   = "Offsetx";
  constexpr auto FEATURE_AOI_TOP                    = "Offsety";
 
 
  void CopyYaml( const YAML::Node& src, YAML::Node& dst );
  YAML::Node MergeNodes( const YAML::Node& a, const YAML::Node& b );
  
  class Config  {
  public:
 

    Config();
 

     void LoadConfig(const std::string& filename = "", bool reset = false) ;

     template<typename T>
     std::optional<T> GetCameraFeature(const char* param);

     template<typename T>
     std::optional<T> GetServerConfiguration(const char* param);

     const std::string GetConfigAsString() const;
 
 
 protected:
      YAML::Node      m_config_node;
 
  private:
    Config(const Config&) = delete;              
    Config& operator=(const Config&) = delete;  
 
  private:
 
    log4cplus::Logger  m_logger;
    YAML::Node      m_default_node;
    std::string     m_config_filename;
 
  };
 
     template<typename T>
     std::optional<T> Config::GetCameraFeature(const char* param) {
      if (m_config_node[NODE_CAMERA][param]) {
          return m_config_node[NODE_CAMERA][param].as<T>();
        }
        return std::nullopt; // same as return { };
     }
 
      template<typename T>
     std::optional<T> Config::GetServerConfiguration(const char* param) {
      if (m_config_node[NODE_SERVER][param]) {
          return m_config_node[NODE_SERVER][param].as<T>();
        }
        return std::nullopt; // same as return { };
     }
 
  } 
 
#endif  // DCS_ANDOR_CONFIG_HPP_H_