| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
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24 // ********************************************************************
25 //
26 // G4BuffercoutDestination
27 //
28 // Class Description:
29 //
30 // A cout destination that buffers received stream in a buffer and
31 // dumps the buffer only when full.
32 // Optionally allows for an infinite buffer.
33
34 // ---------------- G4BuffercoutDestination ----------------
35 //
36 // Author: A.Dotti (SLAC), 14 April 2017
37 // --------------------------------------------------------------------
38 #ifndef G4BUFFERCOUTDESTINATION_HH
39 #define G4BUFFERCOUTDESTINATION_HH
40
41 #include <memory>
42 #include <sstream>
43
44 #include "G4coutDestination.hh"
45
46 class G4BuffercoutDestination : public G4coutDestination
47 {
48 public:
49 explicit G4BuffercoutDestination(std::size_t maxSize = 0);
50 ~G4BuffercoutDestination() override;
51
52 G4int ReceiveG4debug(const G4String& msg) override;
53 G4int ReceiveG4cout(const G4String& msg) override;
54 G4int ReceiveG4cerr(const G4String& msg) override;
55
56 // Flush buffer to std output
57 virtual G4int FlushG4debug();
58 // Flush buffer to std output
59 virtual G4int FlushG4cout();
60 // Flush buffer to std error
61 virtual G4int FlushG4cerr();
62
63 // Flush all buffers
64 virtual void Finalize();
65
66 // Set maximum size of buffer, when buffer grows to specified size,
67 // it will trigger flush. Dimension in char
68 void SetMaxSize(std::size_t max);
69 std::size_t GetMaxSize() const { return m_maxSize; }
70
71 protected:
72 std::size_t m_maxSize = 0;
73
74 class BufferImpl;
75 std::unique_ptr<BufferImpl> m_buffer_dbg;
76 std::unique_ptr<BufferImpl> m_buffer_out;
77 std::unique_ptr<BufferImpl> m_buffer_err;
78 };
79
80 #endif
81