BasicGrammar.h

Go to the documentation of this file.

//==========================================================================
//  AIDA Detector description implementation for LCD
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author     : M.Frank
//
//==========================================================================
#ifndef DD4HEP_DDG4_BASICGRAMMAR_H
#define DD4HEP_DDG4_BASICGRAMMAR_H

// C/C++ include files
#include <string>
#include <typeinfo>

namespace DD4hep {


  class BasicGrammar {
  public:
    BasicGrammar();
    virtual ~BasicGrammar();

    template <typename TYPE> static const BasicGrammar& instance();
    static void invalidConversion(const std::type_info& from, const std::type_info& to);
    static void invalidConversion(const std::string& value, const std::type_info& to);
    virtual const std::type_info& type() const = 0;
    virtual const std::string& type_name() const = 0;    
    virtual size_t sizeOf() const = 0;
    virtual std::string str(const void* ptr) const = 0;
    virtual bool fromString(void* ptr, const std::string& value) const = 0;
  };
}      // End namespace DD4hep

#endif  /* DD4HEP_DDG4_BASICGRAMMAR_H */