HepMC3 event record library
ReaderLHEF.h
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1// -*- C++ -*-
2//
3// This file is part of HepMC
4// Copyright (C) 2014-2021 The HepMC collaboration (see AUTHORS for details)
5//
6#ifndef HEPMC3_READERLHEF_H
7#define HEPMC3_READERLHEF_H
8/**
9 * @file ReaderLHEF.h
10 * @brief Definition of \b class ReaderLHEF
11 *
12 * @class HepMC3::ReaderLHEF
13 * @brief GenEvent I/O parsing and serialization for LHEF files
14 *
15 *
16 * @ingroup IO
17 *
18 */
19#include "HepMC3/Reader.h"
20#include "HepMC3/GenEvent.h"
21#include <deque>
22#include <string>
23#include <fstream>
24#include <istream>
26#include "HepMC3/GenEvent.h"
27#include "HepMC3/GenParticle.h"
28#include "HepMC3/GenVertex.h"
29#include <iomanip>
30
31
32namespace HepMC3
33{
34class ReaderLHEF : public Reader
35{
36public:
37 /// The ctor to read from stream
38 ReaderLHEF(std::istream &);
39 /** @brief Constructor */
40 ReaderLHEF(const std::string& filename);
41 /// The ctor to read from temp stream
42 ReaderLHEF(std::shared_ptr<std::istream> s_stream);
43 /// @brief skip events
44 bool skip(const int) override;
45 /** @brief Reading event */
46 bool read_event(GenEvent& ev) override;
47 /** @brief Close */
48 void close() override;
49 /** @brief State */
50 bool failed() override;
51 /** @brief Destructor */
52 ~ReaderLHEF() ;
53private:
54 void init(); ///< Init helper
55 std::shared_ptr<std::istream> m_shared_stream; ///< Holds temporary stream
56 std::shared_ptr<LHEF::Reader> m_reader; ///< The actual reader
57 std::shared_ptr<HEPRUPAttribute> m_hepr; ///< Holder of attributes
58 int m_neve; ///< Event counter
59 bool m_failed; ///< State of reader
60 std::deque<GenEvent> m_storage; ///<storage used for subevents.
61};
62}
63#endif
Definition of class GenEvent.
Definition of class GenParticle.
Definition of class GenVertex.
Definition of class HEPRUPAttribute and class HEPEUAttribute.
Definition of interface Reader.
Stores event-related information.
Definition: GenEvent.h:41
GenEvent I/O parsing and serialization for LHEF files.
Definition: ReaderLHEF.h:35
~ReaderLHEF()
Destructor.
Definition: ReaderLHEF.cc:102
void init()
Init helper.
Definition: ReaderLHEF.cc:44
bool failed() override
State.
Definition: ReaderLHEF.cc:187
bool read_event(GenEvent &ev) override
Reading event.
Definition: ReaderLHEF.cc:104
bool skip(const int) override
skip events
Definition: ReaderLHEF.cc:32
std::shared_ptr< HEPRUPAttribute > m_hepr
Holder of attributes.
Definition: ReaderLHEF.h:57
void close() override
Close.
Definition: ReaderLHEF.cc:190
bool m_failed
State of reader.
Definition: ReaderLHEF.h:59
std::deque< GenEvent > m_storage
storage used for subevents.
Definition: ReaderLHEF.h:60
std::shared_ptr< std::istream > m_shared_stream
Holds temporary stream.
Definition: ReaderLHEF.h:55
std::shared_ptr< LHEF::Reader > m_reader
The actual reader.
Definition: ReaderLHEF.h:56
int m_neve
Event counter.
Definition: ReaderLHEF.h:58
Base class for all I/O readers.
Definition: Reader.h:25
HepMC3 main namespace.