OptionsHandler.h

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#ifndef art_Framework_Art_OptionsHandler_h
#define art_Framework_Art_OptionsHandler_h
// Simple interface to allow easy addition of experiment-specific
// command-line options and their processing.

#include "boost/program_options.hpp"
#include "fhiclcpp/fwd.h"

namespace bpo = boost::program_options;

namespace art {

  class OptionsHandler {
  public:
    virtual ~OptionsHandler() = default;

    int checkOptions(bpo::variables_map const& vm);
    int processOptions(bpo::variables_map const& vm,
                       fhicl::intermediate_table& raw_config);

  private:
    // Check selected options for consistency (should throw on failure).
    virtual int doCheckOptions(bpo::variables_map const& vm) = 0;
    // Act on selected options  (should throw on failure).
    virtual int doProcessOptions(bpo::variables_map const& vm,
                                 fhicl::intermediate_table& raw_config) = 0;
  };

} // namespace art

#endif /* art_Framework_Art_OptionsHandler_h */

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