Control/xAODRootAccess/xAODRootAccess/tools/Utils.h

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// Dear emacs, this is -*- c++ -*-
 
/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef XAODROOTACCESS_TOOLS_UTILS_H
#define XAODROOTACCESS_TOOLS_UTILS_H
 
// Framework include(s).
#include "SGCore/sgkey_t.h"
 
// ROOT include(s):
#include <TDataType.h>
#include <TTree.h>
 
// System include(s):
#include <string>
#include <string_view>
#include <typeinfo>
#include <stdexcept>
extern "C" {
#include <stdint.h>
}
 
// Forward declaration(s):
namespace ROOT {
   class RNTupleDescriptor;
}
 
namespace xAOD {
 
   namespace Utils {

      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 );

      const std::type_info& getTypeInfo( std::string_view typeName );

      bool isPrimitiveType( std::string_view typeName );

      char rootType( char typeidType );

      std::string getTypeName( const std::type_info& ti );

      std::string getFirstBranchMatch( TTree* tree, const std::string& pre );

      std::string getFieldName( const ROOT::RNTupleDescriptor& descriptor,
                                const std::string& key );
 
   }  // namespace Utils
 
}  // namespace xAOD
 
#endif  // XAODROOTACCESS_TOOLS_UTILS_H