SusyNtuple/ChainHelper.h

#ifndef SusyNtuple_ChainHelper_h
#define SusyNtuple_ChainHelper_h

#include <fstream>

#include "TFile.h"
#include "TChain.h"

class ChainHelper
{

  public:

    //ChainHelper(std::string treeName = "");
    //~ChainHelper(){};

    enum Status {
      GOOD = 0,
      BAD = 1
    };

    static Status addFile(TChain* chain, std::string file);

    static Status addFileList(TChain* chain, std::string fileListName);

    // Add all files in a directory (obsolete, use addInput() instead)
    static Status addFileDir(TChain* chain, std::string fileDir);


    static Status addInput(TChain* chain, const std::string &input, bool verbose=false);
    // get the first file from a generic input
    static std::string firstFile(const std::string &input, bool verbose=false);
    static bool inputIsFile(const std::string &input);
    static bool inputIsList(const std::string &input);
    static bool inputIsDir(const std::string &input);

};



#endif