Control/xAODRootAccess/xAODRootAccess/tools/Utils.h

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// Dear emacs, this is -*- c++ -*-
 
/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
// $Id: Utils.h 601421 2014-06-12 11:44:08Z krasznaa $
#ifndef XAODROOTACCESS_TOOLS_UTILS_H
#define XAODROOTACCESS_TOOLS_UTILS_H
 
// System include(s):
#include <string>
#include <typeinfo>
#include <stdexcept>
extern "C" {
#include <stdint.h>
}
 
// ROOT include(s):
#include <TDataType.h>
#include <TTree.h>
// #include <xAODMetaData/FileMetaDataAuxInfo.h>
// #include "AthContainers/AuxElement.h"
 
 
#include <ROOT/RNTupleReader.hxx>
 
#include "CxxUtils/sgkey_t.h"
 
namespace xAOD {
 
   namespace Utils {
      using RNTupleReader = ROOT::Experimental::RNTupleReader;
 
      SG::sgkey_t hash( const std::string& key );
 
      std::string dynBranchPrefix( const std::string& key );
 
      std::string dynFieldPrefix( const std::string& key );
 
      const std::type_info& getTypeInfo( EDataType type );
 
      char rootType( char typeidType );
 
      std::string getTypeName( const std::type_info& ti );
 
      std::string getFirstBranchMatch( TTree* tree, const std::string& pre );
 
      std::string getFirstFieldMatch(
          RNTupleReader& nupleReader,
          const std::string& pre );
 
      ::Bool_t fieldExists(
          std::string fieldName,
          RNTupleReader& ntupleReader );
 
   }  // namespace Utils
 
}  // namespace xAOD
 
#endif  // XAODROOTACCESS_TOOLS_UTILS_H