NTupleController.h

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/* -*- mode: c++ -*- */

#ifndef _NTupleController_H_
#define _NTupleController_H_

#include "pattern/libhippo.h"

#include <string>
#include <vector>

namespace hippodraw {

class CircularBuffer;
class DataSource;
class NTuple;
class Observable;
class TupleCut;

class MDL_HIPPOPLOT_API NTupleController
{

private:

  static NTupleController * s_instance;


  NTupleController();

  NTupleController ( const NTupleController & );

  std::string::size_type findWhite ( const std::string & line, 
                                     unsigned int left = 0,
                                     bool tabs_only = false );

  int readAsciiNTuple ( NTuple * ntuple, const std::string & filename );

  void splitAndFill ( const std::string & line,
                      std::vector < std::string > & values );

public:

  static NTupleController * instance ();

  DataSource * createNTuple ( const std::string & filename );

  void fillFromFile ( const std::string & file, NTuple * source );

  NTuple * createNTuple ( const std::vector < std::string > & labels );

  CircularBuffer * 
  createCircularBuffer ( const std::vector < std::string > & labels );

  NTuple * createNTuple ( unsigned int columns );

  CircularBuffer * createCircularBuffer ( unsigned int columns );

  NTuple * createNTuple ( );

  CircularBuffer * createCircularBuffer ( );

  DataSource * findDataSource ( const std::string & name ) const;

  void changeName ( DataSource * source,
                    const std::string & newname );

  int writeNTupleToFile ( DataSource * source,
                          const std::string & filename );

  int writeNTupleToFile ( const std::string & name,
                          const std::string & filename );

  void saveNTuples ( const std::string & prefix,
                     const std::string & suffix );

  std::string registerNTuple ( DataSource * nt );

  void registerNTuple ( const std::string &, DataSource * ntuple );

  NTuple * createNTuple ( const std::vector < std::string > & column_list,
                          const std::vector < const TupleCut * > & cut_list,
                          DataSource * ds );

  int createNTupleToFile( const std::vector < std::string > & column_list,
                          const std::vector < const TupleCut * > & cut_list, 
                          DataSource * ds,
                          const std::string & filename,
                          const std::string & dsname);

};

} // namespace hippodraw

#endif // _NTupleController_H_

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