HepMC3 event record library
ReaderLHEF.h
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1 // -*- C++ -*-
2 // -*- C++ -*-
3 //
4 // This file is part of HepMC
5 // Copyright (C) 2014-2020 The HepMC collaboration (see AUTHORS for details)
6 //
7 #ifndef HEPMC3_READERLHEF_H
8 #define HEPMC3_READERLHEF_H
9 /**
10  * @file ReaderLHEF.h
11  * @brief Definition of \b class ReaderLHEF
12  *
13  * @class HepMC3::ReaderLHEF
14  * @brief GenEvent I/O parsing and serialization for LHEF files
15  *
16  *
17  * @ingroup IO
18  *
19  */
20 #include "HepMC3/Reader.h"
21 #include "HepMC3/GenEvent.h"
22 #include <deque>
23 #include <string>
24 #include <fstream>
25 #include <istream>
26 #include "HepMC3/LHEFAttributes.h"
27 #include "HepMC3/GenEvent.h"
28 #include "HepMC3/GenParticle.h"
29 #include "HepMC3/GenVertex.h"
30 #include <iomanip>
31 
32 
33 namespace HepMC3
34 {
35 class ReaderLHEF : public Reader
36 {
37 public:
38  /// The ctor to read from stream
39  ReaderLHEF(std::istream &);
40 private:
41  void init(); ///< Init helper
42 public:
43  /** @brief Constructor */
44  ReaderLHEF(const std::string& filename);
45  /// @brief skip events
46  bool skip(const int) override;
47  /** @brief Reading event */
48  bool read_event(GenEvent& ev) override;
49  /** @brief Close */
50  void close() override;
51  /** @brief State */
52  bool failed() override;
53  /** @brief Destructor */
54  ~ReaderLHEF() ;
55 private:
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 HEPRUPAttribute and class HEPEUAttribute.
void init()
Init helper.
Definition: ReaderLHEF.cc:37
GenEvent I/O parsing and serialization for LHEF files.
Definition: ReaderLHEF.h:35
void close() override
Close.
Definition: ReaderLHEF.cc:183
Definition of interface Reader.
Definition of class GenParticle.
bool read_event(GenEvent &ev) override
Reading event.
Definition: ReaderLHEF.cc:97
std::shared_ptr< LHEF::Reader > m_reader
The actual reader.
Definition: ReaderLHEF.h:56
int m_neve
Event counter.
Definition: ReaderLHEF.h:58
ReaderLHEF(std::istream &)
The ctor to read from stream.
Definition: ReaderLHEF.cc:19
~ReaderLHEF()
Destructor.
Definition: ReaderLHEF.cc:95
Definition of class GenVertex.
std::deque< GenEvent > m_storage
storage used for subevents.
Definition: ReaderLHEF.h:60
bool skip(const int) override
skip events
Definition: ReaderLHEF.cc:25
bool failed() override
State.
Definition: ReaderLHEF.cc:180
Stores event-related information.
Definition: GenEvent.h:41
Definition of class GenEvent.
Base class for all I/O readers.
Definition: Reader.h:25
bool m_failed
State of reader.
Definition: ReaderLHEF.h:59
std::shared_ptr< HEPRUPAttribute > m_hepr
Holder of attributes.
Definition: ReaderLHEF.h:57