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G4coutDestination.hh
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27 // $Id: G4coutDestination.hh 103661 2017-04-20 14:57:11Z gcosmo $
28 //
29 //
30 // --------------------------------------------------------------------
31 // GEANT 4 class header file
32 //
33 // G4coutDestination.hh
34 //
35 // --------------------------------------------------------------------
36 #ifndef G4COUTDESTINATION_HH
37 #define G4COUTDESTINATION_HH
38 
39 #include <functional>
40 #include <vector>
41 #include <algorithm>
42 #include <iostream>
43 
44 #include "globals.hh"
45 
47 {
48  public:
49 
50  G4coutDestination() = default;
51  virtual ~G4coutDestination();
52  // Note: limitation on ICC for MIC cannot use 'default';
53 
54  // The type of the functions defining a transformation of the message.
55  // The function manipulates the input message, for example, to add a prefix:
56  // G4coutDestination::AddCoutTransformer(
57  // [](G4String& msg) -> G4bool { msg="PREFIX "+msg; return true; }
58  // );
59  // Function should return false if message should not be processed
60  // anymore and discarded
61  //
62  using Transformer=std::function<G4bool(G4String&)>;
64  { transformersCout.push_back(t); }
66  { transformersCout.push_back(t); }
68  { transformersCerr.push_back(t); }
70  { transformersCerr.push_back(t); }
71  virtual void ResetTransformers();
72 
73  // Derived class implements here handling of message.
74  // For example, streaming on std::cout or file.
75  // Return 0 for success, -1 otherwise
76  //
77  virtual G4int ReceiveG4cout(const G4String& msg);
78  virtual G4int ReceiveG4cerr(const G4String& msg);
79 
80  // Methods called by G4strbuf when need to handle a message
81  //
82  G4int ReceiveG4cout_(const G4String& msg);
83 
84  // Transformers cannot remove an error message from stream
85  //
86  G4int ReceiveG4cerr_(const G4String& msg);
87 
88  protected:
89 
90  // For MT: if master G4coutDestination derived
91  // class wants to intercept the thread outputs
92  // derived class should set this pointer.
93  // Needed for some G4UIsession like GUIs
94  //
96 
97  std::vector<Transformer> transformersCout;
98  std::vector<Transformer> transformersCerr;
99 };
100 
101 #endif
virtual G4int ReceiveG4cerr(const G4String &msg)
static G4coutDestination * masterG4coutDestination
G4coutDestination()=default
G4int ReceiveG4cout_(const G4String &msg)
virtual void ResetTransformers()
virtual ~G4coutDestination()
std::function< G4bool(G4String &)> Transformer
void AddCerrTransformer(Transformer &&t)
void AddCoutTransformer(const Transformer &t)
std::vector< Transformer > transformersCout
std::vector< Transformer > transformersCerr
int G4int
Definition: G4Types.hh:78
void AddCoutTransformer(Transformer &&t)
void AddCerrTransformer(const Transformer &t)
virtual G4int ReceiveG4cout(const G4String &msg)
G4int ReceiveG4cerr_(const G4String &msg)