// Copyright (C) 2007-2024  CEA, EDF, OPEN CASCADE
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

//  SALOME Basics : general SALOME definitions and tools (C++ part - no CORBA)
//  File   : smIdType.hxx

#ifndef _SMIDTYPE_HXX_
#define _SMIDTYPE_HXX_

#cmakedefine SALOME_USE_64BIT_IDS

#include "Basics_OCCTVersion.hxx"

#include <cinttypes>
#include <cstddef>
#include <limits>

#ifndef SALOME_USE_64BIT_IDS
typedef std::int32_t smIdType;
#else
typedef std::int64_t smIdType;
#endif

struct smIdHasher
{
#if OCC_VERSION_LARGE < 0x07080000
  static int HashCode(const smIdType theValue,  const int theUpperBound)
  {
    return static_cast<int> ((theValue & std::numeric_limits<smIdType>::max()) % theUpperBound + 1);
  }

  static bool IsEqual( const smIdType& id1, const smIdType& id2 )
  {
    return id1 == id2;
  }
#else
  size_t operator()(const smIdType theValue) const
  {
    return static_cast<size_t> (theValue & std::numeric_limits<smIdType>::max());
  }
  bool operator()(const smIdType& theValue1, const smIdType& theValue2) const
  {
    return theValue1 == theValue2;
  }
#endif
};

template <class T> inline smIdType ToSmIdType(T val)
{
  return static_cast<smIdType>(val);
}
template <class T> inline T FromSmIdType(smIdType val)
{
  return static_cast<T>(val);
}

#endif //_SMIDTYPE_HXX_