HepMCG4AsciiReader.cc

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/// \file eventgenerator/HepMC/HepMCEx01/src/HepMCG4AsciiReader.cc
/// \brief Implementation of the HepMCG4AsciiReader class
//
// ====================================================================
//
//   HepMCG4AsciiReader.cc
//   $Id$
//
// ====================================================================
#include "HGCal/TBStandaloneSimulator/interface/HepMCG4AsciiReader.hh"
#include "HGCal/TBStandaloneSimulator/interface/HepMCG4AsciiReaderMessenger.hh"

#include <iostream>
#include <fstream>

////////////////////////////////////////
HepMCG4AsciiReader::HepMCG4AsciiReader()
    :  filename("xxx.dat"), verbose(0)
////////////////////////////////////////
{
    asciiInput = new HepMC::IO_GenEvent(filename.c_str(), std::ios::in);

    messenger = new HepMCG4AsciiReaderMessenger(this);
}

/////////////////////////////////////////
HepMCG4AsciiReader::~HepMCG4AsciiReader()
/////////////////////////////////////////
{
    delete asciiInput;
    delete messenger;
}

/////////////////////////////////////
void HepMCG4AsciiReader::Initialize()
/////////////////////////////////////
{
    delete asciiInput;

    asciiInput = new HepMC::IO_GenEvent(filename.c_str(), std::ios::in);
}

/////////////////////////////////////////////////////////
HepMC::GenEvent* HepMCG4AsciiReader::GenerateHepMCEvent()
/////////////////////////////////////////////////////////
{
    HepMC::GenEvent* evt = asciiInput-> read_next_event();
    if(!evt) return 0; // no more event

    if(verbose > 0) evt-> print();

    return evt;
}