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

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);
}