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File indexing completed on 2021-02-14 13:28:46

0001 #include "TFile.h"
0002 #include "TKey.h"
0003 #include "TTree.h"
0004 #include "TError.h"
0005 #include "TCollection.h"
0006 #include <iostream>
0007 
0008 void allbranches()
0009 {
0010   char * charname;
0011   std::string fname;
0012   gErrorIgnoreLevel = kError;
0013   std::cin >> fname;
0014   if(fname == "quit")  return;
0015   TObject * obj;
0016   TTree * tree;
0017   TKey * key;
0018   TFile * file = new TFile(fname.c_str(),"READ","Test file");
0019   if(file) {
0020     TIter next(file->GetListOfKeys());
0021     while( (key = (TKey*)next()) ) {
0022       obj = key->ReadObj();
0023       if ( (obj->InheritsFrom("TTree")) ) {
0024         charname = ((TTree*)obj)->GetName();
0025         std::cout << "\nAll branches for TTree " << charname 
0026                   << " in file " << fname << "\n" << std::endl;
0027     file->GetObject(charname,tree);
0028         if(tree) {
0029           tree->Print("all");
0030         } else {
0031           std::cout << "Anomoly.  There is no tree named " << charname << std::endl;
0032         }
0033       }
0034     }
0035   }
0036   std::cout << " " << std::endl;
0037 }