Import Geant4 11.0.0 source tree

2021-12-10 14:46:44 +01:00
parent 6399a014b6
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+
+// The manager class for histogram/profile reading from a Root file.
+
+// Author: Ivana Hrivnacova, 26/08/2021  (ivana@ipno.in2p3.fr)
+
+#ifndef G4RootHnRFileManager_h
+#define G4RootHnRFileManager_h 1
+
+#include "G4VTHnRFileManager.hh"
+
+#include <string_view>
+#include <tuple>
+
+class G4RootRFileManager;
+
+namespace tools {
+namespace rroot {
+class buffer;
+class TDirectory;
+}
+}
+
+template <typename HT>
+class G4RootHnRFileManager : public G4VTHnRFileManager<HT>
+{
+  public:
+    explicit G4RootHnRFileManager(G4RootRFileManager* rfileManger)
+      : G4VTHnRFileManager<HT>(), fRFileManager(rfileManger) {}
+    G4RootHnRFileManager() = delete;
+    virtual ~G4RootHnRFileManager() = default;
+
+    // Methods for reading objects
+    virtual HT* Read(const G4String& htName, const G4String& fileName,
+                     const G4String& dirName,  G4bool isUserFileName) final;
+
+  private:
+    // Methods
+    std::tuple<tools::rroot::buffer*, tools::rroot::TDirectory*> GetBuffer(
+                             const G4String& fileName,
+                             const G4String& dirName,
+                             const G4String& name);
+    HT* ReadT(tools::rroot::buffer* buffer);
+
+    // Static data members
+    static constexpr std::string_view fkClass { "G4RootHnRFileManager<HT>" };
+    // Data members
+    G4RootRFileManager* fRFileManager { nullptr };
+};
+
+// inline functions
+
+#include "G4RootHnRFileManager.icc"
+
+#endif