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// -*- C++ -*-
//
// This file is part of HepMC
// Copyright (C) 2014-2019 The HepMC collaboration (see AUTHORS for details)
//
#ifndef HEPMC3_READERROOT_H
#define HEPMC3_READERROOT_H
/**
* @file ReaderRoot.h
* @brief Definition of \b class ReaderRoot
*
* @class HepMC3::ReaderRoot
* @brief GenEvent I/O parsing and serialization for root files
*
* If HepMC was compiled with path to ROOT available, this class can be used
* for root file I/O in the same manner as with HepMC::ReaderAscii class.
*
* @ingroup IO
*
*/
#include "HepMC3/Reader.h"
#include "HepMC3/GenEvent.h"
#include "HepMC3/Data/GenEventData.h"
#include "HepMC3/Data/GenRunInfoData.h"
// ROOT header files
#include "TFile.h"
#include "TKey.h"
namespace HepMC3 {
class ReaderRoot : public Reader {
//
// Constructors
//
public:
/** @brief Default constructor */
ReaderRoot(const std::string &filename);
//
// Functions
//
public:
/** @brief Read event from file
*
* @param[out] evt Contains parsed event
*/
bool read_event(GenEvent &evt);
/** @brief Close file stream */
void close();
/** @brief Get stream error state */
bool failed();
//
// Fields
//
private:
TFile* m_file; //!< File handler
TIter* m_next; //!< Iterator for event reading
};
} // namespace HepMC3
#endif
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