HepMC3 event record library
ReaderLHEF.h
Go to the documentation of this file.
1 // -*- C++ -*-
2 // -*- C++ -*-
3 //
4 // This file is part of HepMC
5 // Copyright (C) 2014-2019 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 <string>
23 #include <fstream>
24 #include <istream>
25 #include "HepMC3/LHEFAttributes.h"
26 #include "HepMC3/GenEvent.h"
27 #include "HepMC3/GenParticle.h"
28 #include "HepMC3/GenVertex.h"
29 #include <iomanip>
30 
31 
32 namespace HepMC3
33 {
34 class ReaderLHEF : public Reader
35 {
36 public:
37 #ifndef HEPMC3_PYTHON_BINDINGS
38  /// The ctor to read from stream
39  ReaderLHEF(std::istream &);
40 #endif
41 private:
42  void init(); ///< Init helper
43 public:
44  /** @brief Constructor */
45  ReaderLHEF(const std::string& filename);
46  /// @brief skip events
47  bool skip(const int) override;
48  /** @brief Reading event */
49  bool read_event(GenEvent& ev) override;
50  /** @brief Close */
51  void close() override;
52  /** @brief State */
53  bool failed() override;
54  /** @brief Destructor */
55  ~ReaderLHEF() ;
56 private:
57  LHEF::Reader* m_reader; ///< The actual reader
58  shared_ptr<HEPRUPAttribute> m_hepr; ///< Holder of attributes
59  int m_neve; ///< Event counter
60  bool m_failed; ///< State of reader
61 };
62 }
63 #endif
Definition of class HEPRUPAttribute and class HEPEUAttribute.
void init()
Init helper.
Definition: ReaderLHEF.cc:38
GenEvent I/O parsing and serialization for LHEF files.
Definition: ReaderLHEF.h:34
void close() override
Close.
Definition: ReaderLHEF.cc:138
Definition of interface Reader.
Definition of class GenParticle.
bool read_event(GenEvent &ev) override
Reading event.
Definition: ReaderLHEF.cc:84
int m_neve
Event counter.
Definition: ReaderLHEF.h:59
ReaderLHEF(std::istream &)
The ctor to read from stream.
Definition: ReaderLHEF.cc:20
~ReaderLHEF()
Destructor.
Definition: ReaderLHEF.cc:82
Definition of class GenVertex.
bool skip(const int) override
skip events
Definition: ReaderLHEF.cc:26
bool failed() override
State.
Definition: ReaderLHEF.cc:135
Stores event-related information.
Definition: GenEvent.h:41
shared_ptr< HEPRUPAttribute > m_hepr
Holder of attributes.
Definition: ReaderLHEF.h:58
Definition of class GenEvent.
Base class for all I/O readers.
Definition: Reader.h:25
bool m_failed
State of reader.
Definition: ReaderLHEF.h:60
LHEF::Reader * m_reader
The actual reader.
Definition: ReaderLHEF.h:57