CONEXFile.h

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#ifndef _io_CONEXFile_h_
#define _io_CONEXFile_h_

#include <io/CONEXIOException.h>
#include <io/VEventFile.h>
#include <io/CONEXStructures.h>

#include <vector>


namespace evt {
  class Event;
}

// root forward-decl
class TFile;
class TTree;

namespace io {

  class CONEXHeader;
  class CONEXShower;
  class CONEXLeadingParticles;


  class CONEXFile : public VEventFile {

  public:
    CONEXFile() { }
    CONEXFile(const std::string& fileName, const Mode mode = eRead, utl::Branch* const b = nullptr);
    virtual ~CONEXFile();

    void Open(const std::string& fileName, const Mode mode = eRead, utl::Branch* const b = nullptr) override;
    void Close() override;
    Status Read(evt::Event& event) override;
    void Write(const evt::Event& event) override;
    Status FindEvent(const unsigned int eventId) override;
    Status GotoPosition(const unsigned int position) override;
    int GetNEvents() override;

  private:
    CONEXFile(const CONEXFile&);
    CONEXFile& operator=(const CONEXFile&);

    void MapHeader(const float version);
    void MapShower(const float version);

    virtual int NextEntry();

    TFile* fFile = nullptr;
    TTree* fShowerTree = nullptr;
    TTree* fHeaderTree = nullptr;

    CONEXShower* fShower = nullptr;
    CONEXHeader* fHeader = nullptr;
    std::vector<io::CONEXLeadingParticles> fLPvector;
    double fFirstGrammageBin = 0;

    float fVersion = 0;
    float fROOTVersion = 0;

    unsigned int fCurrentPosition = 0;

  };

}


#endif