OutputFileAscii.hh

//
// This file is part of MARLEY (Model of Argon Reaction Low Energy Yields)
//
// MARLEY is free software: you can redistribute it and/or modify it under the
// terms of version 3 of the GNU General Public License as published by the
// Free Software Foundation.
//
// For the full text of the license please see COPYING or
// visit http://opensource.org/licenses/GPL-3.0
//
// Please respect the MCnet academic usage guidelines. See GUIDELINES
// or visit https://www.montecarlonet.org/GUIDELINES for details.
 
#pragma once
 
// Standard library includes
#include <memory>
 
// MARLEY includes
#include "marley/OutputFile.hh"
 
namespace HepMC3 {
  class GenEvent;
  class ReaderAscii;
  class WriterAscii;
}
 
namespace marley {

  class OutputFileAscii : public OutputFile {
 
    public:
 
      OutputFileAscii( const JSON& output_config );
 
      virtual ~OutputFileAscii() = default;
 
      virtual bool resume( std::unique_ptr<marley::Generator>& gen,
        long& num_previous_events ) override;
 
      virtual int_fast64_t bytes_written() override;
 
      virtual void write_event( HepMC3::GenEvent* event ) override;
 
    protected:

      virtual void open();

      std::fstream stream_;

      std::shared_ptr< HepMC3::ReaderAscii > reader_;

      std::shared_ptr< HepMC3::WriterAscii > writer_;

      int_fast64_t byte_count_ = 0;

      std::streampos pending_truncate_pos_ = std::streampos( -1 );

      std::shared_ptr< HepMC3::GenEvent > pending_flush_event_;
  };
 
}