Gabriele Cosmo
98 lines
3.8 KiB
C++
98 lines
3.8 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4coutDestination
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//
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// Class description:
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//
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// Cout/cerr buffer containers
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// Authors: H.Yoshida, M.Nagamatu - November 1998
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// --------------------------------------------------------------------
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#ifndef G4COUTDESTINATION_HH
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#define G4COUTDESTINATION_HH 1
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#include <algorithm>
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#include <functional>
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#include <iostream>
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#include <vector>
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#include "globals.hh"
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class G4coutDestination
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{
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public:
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G4coutDestination() = default;
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virtual ~G4coutDestination();
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// Note: limitation on ICC for MIC cannot use 'default'
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// The type of the functions defining a transformation of the message.
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// The function manipulates the input message, for example, to add a
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// prefix:
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// G4coutDestination::AddCoutTransformer(
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// [](G4String& msg) -> G4bool { msg="PREFIX "+msg; return true; }
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// );
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// Function should return false if message should not be processed
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// anymore and discarded
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//
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using Transformer = std::function<G4bool(G4String&)>;
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void AddCoutTransformer(const Transformer& t)
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{
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transformersCout.push_back(t);
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}
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void AddCoutTransformer(Transformer&& t) { transformersCout.push_back(t); }
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void AddCerrTransformer(const Transformer& t)
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{
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transformersCerr.push_back(t);
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}
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void AddCerrTransformer(Transformer&& t) { transformersCerr.push_back(t); }
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virtual void ResetTransformers();
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virtual G4int ReceiveG4cout(const G4String& msg);
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virtual G4int ReceiveG4cerr(const G4String& msg);
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// Derived class implements here handling of message.
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// For example, streaming on std::cout or file.
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// Return 0 for success, -1 otherwise
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G4int ReceiveG4cout_(const G4String& msg);
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// Method called by G4strbuf when need to handle a message
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G4int ReceiveG4cerr_(const G4String& msg);
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// Transformers cannot remove an error message from stream
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protected:
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G4MTGLOB_DLL static G4coutDestination* masterG4coutDestination;
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// For MT: if master G4coutDestination derived class wants to
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// intercept the thread outputs, derived class should set this pointer.
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// Needed for some G4UIsession like GUIs
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std::vector<Transformer> transformersCout;
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std::vector<Transformer> transformersCerr;
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};
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#endif
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