EventInterface.h

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/*
 *  CepGen: a central exclusive processes event generator
 *  Copyright (C) 2013-2024  Laurent Forthomme
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef CepGenPythia6_EventInterface_h
#define CepGenPythia6_EventInterface_h
 
#include <vector>
 
#include "CepGen/Event/Particle.h"
#include "CepGen/Physics/Modes.h"
 
namespace cepgen {
  class Event;
  namespace utils {
    class RandomGenerator;
  }
}  // namespace cepgen
 
namespace cepgen::pythia6 {
  class EventInterface {
  public:
    explicit EventInterface(Event&, mode::Kinematics, utils::RandomGenerator*);
 
    void prepareHadronisation();  
    size_t numStrings() const { return evt_strings_.size(); }  
    void run();                                                
 
  private:
    void fillEventBlock();
 
    Event& cepgen_event_;                       // NOT owning
    utils::RandomGenerator* random_generator_;  
    std::vector<Particle::Role> roles_;
 
    std::pair<short, short> pickPartonsContent() const;
 
    using string_t = std::vector<int>;
    std::vector<string_t> evt_strings_;
  };
}  // namespace cepgen::pythia6
 
#endif
    void run();                                                 {…}
  class EventInterface {…};
namespace cepgen::pythia6 {…}