LesHouchesWriter.hh

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#pragma once
 
#include <fstream>
#include <memory>
#include <string>
 
#include "LHEF/LHEF.h"
 
#include "HEJ/EventWriter.hh"
 
namespace HEJ{
  class Event;
 
  class LesHouchesWriter : public EventWriter{
  public:
 
    LesHouchesWriter(std::string const & file, LHEF::HEPRUP heprup);
    LesHouchesWriter(LesHouchesWriter const & other) = delete;
    LesHouchesWriter & operator=(LesHouchesWriter const & other) = delete;
    // TODO: in principle, this class should be movable
    //       but that somehow(?) breaks the write member function
    LesHouchesWriter(LesHouchesWriter && other) = delete;
    LesHouchesWriter & operator=(LesHouchesWriter && other) = delete;
    ~LesHouchesWriter() override;
 
    void write(Event const & ev) override;
 
  private:
    void write_init(){
      writer_->init();
    }
 
    void rewrite_init();
 
    LHEF::HEPRUP & heprup(){
      return writer_->heprup;
    }
 
    LHEF::HEPEUP & hepeup(){
      return writer_->hepeup;
    }
 
    std::fstream out_;
    std::unique_ptr<LHEF::Writer> writer_;
  };
}