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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 * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 /// \file eventgenerator/HepMC/HepMCEx01/src/HepMCG4AsciiReader.cc 27 /// \brief Implementation of the HepMCG4AsciiReader class 28 // 29 // 30 31 #include "HepMCG4AsciiReader.hh" 32 33 #include "HepMCG4AsciiReaderMessenger.hh" 34 35 #include <fstream> 36 #include <iostream> 37 38 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 39 HepMCG4AsciiReader::HepMCG4AsciiReader() : filename("xxx.dat"), verbose(0) 40 { 41 asciiInput = new HepMC::IO_GenEvent(filename.c_str(), std::ios::in); 42 43 messenger = new HepMCG4AsciiReaderMessenger(this); 44 } 45 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 47 HepMCG4AsciiReader::~HepMCG4AsciiReader() 48 { 49 delete asciiInput; 50 delete messenger; 51 } 52 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 54 void HepMCG4AsciiReader::Initialize() 55 { 56 delete asciiInput; 57 58 asciiInput = new HepMC::IO_GenEvent(filename.c_str(), std::ios::in); 59 } 60 61 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 62 HepMC::GenEvent* HepMCG4AsciiReader::GenerateHepMCEvent() 63 { 64 HepMC::GenEvent* evt = asciiInput->read_next_event(); 65 if (!evt) return 0; // no more event 66 67 if (verbose > 0) evt->print(); 68 69 return evt; 70 } 71