JPrintTree.cc File Reference

Auxiliary program to print ROOT TTree information. More...

#include <string>
#include <iostream>
#include <iomanip>
#include "TError.h"
#include "TROOT.h"
#include "TFile.h"
#include "TKey.h"
#include "TTree.h"
#include "JSystem/JGlob.hh"
#include "JLang/JEquals.hh"
#include "JLang/JVectorize.hh"
#include "Jeep/JeepToolkit.hh"
#include "Jeep/JProperties.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Functions
int	main (int argc, char **argv)

Detailed Description

Auxiliary program to print ROOT TTree information.

Author

mdejong

Definition in file JPrintTree.cc.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 146 of file JPrintTree.cc.

{
  using namespace std;
  using namespace JPP;
 
  vector<string> inputFile;
  tree_info      ta;               // selection
  tree_info      tb;               // actual
  string         key;              // format
  int            debug;
 
  JProperties    format;
 
  format.insert(gmake_property(tb.name));
  format.insert(gmake_property(tb.type));
  format.insert(gmake_property(tb.number_of_entries));
  format.insert(gmake_property(tb.number_of_bytes));
 
  try { 
 
    JProperties properties;
 
    properties.insert(gmake_property(ta.name));
    properties.insert(gmake_property(ta.type));
 
    JParser<> zap("Auxiliary program to print ROOT TTree information.");
    
    zap['f'] = make_field(inputFile);
    zap['@'] = make_field(properties)                   = JPARSER::initialised();
    zap['k'] = make_field(key)                          = "", get_keys(format);
    zap['d'] = make_field(debug)                        = 1;
 
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
  gErrorIgnoreLevel = kFatal;
 
  inputFile = getFilenames(inputFile);
 
  int number_of_errors = 0;
 
  for (vector<string>::const_iterator file_name = inputFile.begin(); file_name != inputFile.end(); ++file_name) {
 
    TFile* file = TFile::Open(file_name->c_str());
 
    if (file == NULL) {
 
      ++number_of_errors;
 
      cerr << *file_name << " not opened." << endl;
 
      continue;
    }
 
    if (key == "") {
      cout << *file_name << endl;
    }
 
    TIter iter(file->GetListOfKeys(), kIterBackward);
 
    for (TKey* _key; (_key = (TKey*) iter.Next()) != NULL; ) {
 
      TKey* p = dynamic_cast<TKey*>(file->GetListOfKeys()->Before(_key));
 
      if (p == NULL || strcmp(_key->GetName(), p->GetName()) != 0) {                     // select last key
 
        tb = tree_info(dynamic_cast<TTree*>(_key->ReadObj()));
 
        if (tb.is_valid() && ta == tb) {
 
          if (key == "")
            cout << tb << endl;
          else
            format.write(cout, key) << ' ';
        }
      }
    }
 
    file->Close();
 
    delete file;
  }
 
  return (number_of_errors == 0 ? 0 : 1);
}