hdump.cc

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
#include "daq/dqm/DqmMemFile.h"
 
#include "TObject.h"
#include "TKey.h"
#include "TIterator.h"
#include "TDirectory.h"
#include "TList.h"
#include "TH1.h"
 
using namespace Belle2;
using namespace std;
 
int main(int argc, char** argv)
{
  if (argc < 2) {
    printf("Wrong number of arguments\n");
    return 1;
  }
 
  DqmMemFile* mfile = new DqmMemFile(argv[1]);
 
  TMemFile* file = mfile->LoadMemFile();
  file->ls();
  file->Print();
 
  TList* keylist = file->GetListOfKeys();
  TIter nextkey(keylist);
  TKey* key = 0;
  while ((key = (TKey*)nextkey())) {
    TObject* obj = key->ReadObj();
    if (obj->IsA()->InheritsFrom(TH1::Class())) {
      TH1* hist = (TH1*) obj;
      printf("histo: %s, title: %s \n", hist->GetName(), hist->GetTitle());
    }
  }
 
  delete(mfile);
  return 0;
}