HepMCEx02/src/HepMCG4AsciiReader.cc

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0026 /// \file eventgenerator/HepMC/HepMCEx01/src/HepMCG4AsciiReader.cc
0027 /// \brief Implementation of the HepMCG4AsciiReader class
0028 //
0029 //
0030
0031 #include "HepMCG4AsciiReader.hh"
0032
0033 #include "HepMCG4AsciiReaderMessenger.hh"
0034
0035 #include <fstream>
0036 #include <iostream>
0037
0038 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0039 HepMCG4AsciiReader::HepMCG4AsciiReader() : filename("xxx.dat"), verbose(0)
0040 {
0041   asciiInput = new HepMC::IO_GenEvent(filename.c_str(), std::ios::in);
0042
0043   messenger = new HepMCG4AsciiReaderMessenger(this);
0044 }
0045
0046 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0047 HepMCG4AsciiReader::~HepMCG4AsciiReader()
0048 {
0049   delete asciiInput;
0050   delete messenger;
0051 }
0052
0053 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0054 void HepMCG4AsciiReader::Initialize()
0055 {
0056   delete asciiInput;
0057
0058   asciiInput = new HepMC::IO_GenEvent(filename.c_str(), std::ios::in);
0059 }
0060
0061 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0062 HepMC::GenEvent* HepMCG4AsciiReader::GenerateHepMCEvent()
0063 {
0064   HepMC::GenEvent* evt = asciiInput->read_next_event();
0065   if (!evt) return 0;  // no more event
0066
0067   if (verbose > 0) evt->print();
0068
0069   return evt;
0070 }