IObject.hpp

/******************************************************************************
 
  nomlib - C++11 cross-platform game engine
 
Copyright (c) 2013, 2014 Jeffrey Carpenter <i8degrees@gmail.com>
All rights reserved.
 
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
 
1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
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   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
 
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******************************************************************************/
#ifndef NOMLIB_CORE_IOBJECT_HPP
#define NOMLIB_CORE_IOBJECT_HPP
 
#include <sstream>
#include <new>
 
#include "nomlib/config.hpp"
#include "nomlib/core/ObjectTypeInfo.hpp"
 
namespace nom {

class IObject
{
  public:
    typedef IObject self_type;
 
    typedef IObject* raw_ptr;
 
    static uint64 total_alloc_bytes;
    static uint64 total_dealloc_bytes;

    IObject( void );

    virtual ~IObject( void );

    virtual ObjectTypeInfo type( void ) const;

    virtual bool is_type( const ObjectTypeInfo& rhs ) const;

    template <typename Base, typename Derived>
    static bool is_a( const Derived object )
    {
      if( dynamic_cast<Base>( object ) != nullptr )
      {
        return true;
      }
 
      return false;
    }
 
    static void* operator new( nom::size_type mem );
    static void operator delete( void* ptr );
};

inline bool operator ==( const IObject& lhs, const IObject& rhs )
{
  return( &lhs == &rhs );
}

inline bool operator !=( const IObject& lhs, const IObject& rhs )
{
  return ! ( &lhs == &rhs );
}
 
} // namespace nom
 
#define NOM_ISA(type, expr) nom::IObject::is_a<type>( expr )
 
#endif // include guard defined