TreeUtils.h

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// @(#)root/tree:$Id$
// Author: Timur Pocheptsov   30/01/2014
 
/*************************************************************************
 * Copyright (C) 1995-2014, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TreeUtils                                                            //
//                                                                      //
// Different standalone functions to work with trees and tuples,        //
// not required to be a member of any class.                           //
//                                                                      //
//////////////////////////////////////////////////////////////////////////
 
 
#ifndef ROOT_TreeUtils
#define ROOT_TreeUtils
 
#include <iosfwd>
 
#include "RtypesCore.h"
 
namespace ROOT {
namespace TreeUtils {
 
/// Function to fill tuples (TNtuple/TNtupleD) from
/// a simple ASCII data file. With auto and decltype - we can
/// get rid of DataType parameter :) (or with a simple typedef inside ntuple class).
/// An input file consists of non-empty lines (separated by newline-characters), possibly empty lines,
/// and comments (treated as empty lines). Each non-empty line should contain N numbers - entry for a tuple.
/// Non-strict mode lets you to have newline-characters inside a tuple's row (as it worked
/// in ROOT prior to v5.3xxx).
 
template<class DataType, class Tuple>
Long64_t FillNtupleFromStream(std::istream &inputStream, Tuple &tuple, char delimiter, bool strictMode);
 
}
}
 
#endif