make_writer.cc
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make_writer.cc
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	/**
	* \authors The HEJ collaboration (see AUTHORS for details)
	* \date 2019
	* \copyright GPLv2 or later
	*/
	#include "HEJ/make_writer.hh"

	#include "HEJ/exceptions.hh"
	#include "HEJ/HepMC2Writer.hh"
	#include "HEJ/HepMC3Writer.hh"
	#include "HEJ/LesHouchesWriter.hh"

	namespace HEJ{
	std::unique_ptr<EventWriter> make_format_writer(
	FileFormat format, std::string const & outfile,
	LHEF::HEPRUP const & heprup
	){
	switch(format){
	case FileFormat::Les_Houches:
	return std::unique_ptr<EventWriter>{
	new LesHouchesWriter{outfile, heprup}
	};
	case FileFormat::HepMC2:
	return std::unique_ptr<EventWriter>{
	new HepMC2Writer{outfile, heprup}
	};
	case FileFormat::HepMC3:
	return std::unique_ptr<EventWriter>{
	new HepMC3Writer{outfile, heprup}
	};
	default:
	throw std::logic_error("unhandled file format");
	}
	}

	}