TConverterStreamer.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
 
/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
// $Id: TConverterStreamer.h,v 1.3 2008-11-04 12:42:10 ssnyder Exp $
 
 
#ifndef ROOTCONVERSIONS_TCONVERTERSTREAMER_H
#define ROOTCONVERSIONS_TCONVERTERSTREAMER_H
 
#include <map>
#include "TClassStreamer.h"
#include "TVirtualConverter.h"
 
class TClass;
class TBuffer;
class TFile;

class TConverterStreamer
  : public TClassStreamer
{
public:
  using Payload = std::pair<TVirtualConverter*, bool>;
  using CheckSumMap = std::map<UInt_t, Payload>;

  TConverterStreamer (const CheckSumMap& convmap, TClass* cls);

  virtual void operator() (TBuffer& b, void* obj);
 
 
private:
  void FindVersion(TBuffer& buf,
                   UInt_t& startpos,
                   UInt_t& bcnt,
                   Version_t& version);

  Version_t R__FindStreamerInfoVersion(const TClass* cl, UInt_t checksum);

  const CheckSumMap& fConvmap;

  TClass* fClass;

  UInt_t fStreamerChecksum;

  TFile* fLastFile;
};
 
 
#endif // not ROOTCONVERSIONS_TCONVERTERSTREAMER_H