// Copyright (c) 2021 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#include <BinObjMgt_Position.hxx>

IMPLEMENT_STANDARD_RTTIEXT(BinObjMgt_Position, Standard_Transient)

//=================================================================================================

BinObjMgt_Position::BinObjMgt_Position(Standard_OStream& theStream)
    : myPosition(theStream.tellp()),
      mySize(0)
{
}

//=================================================================================================

void BinObjMgt_Position::StoreSize(Standard_OStream& theStream)
{
  mySize = uint64_t(theStream.tellp() - myPosition);
}

//=================================================================================================

void BinObjMgt_Position::WriteSize(Standard_OStream& theStream, const bool theDummy)
{
  if (!theDummy && theStream.tellp() != myPosition)
  {
    theStream.seekp(myPosition);
  }
  uint64_t aSize = theDummy ? 0 : mySize;
#if DO_INVERSE
  aSize = FSD_BinaryFile::InverseUint64(aSize);
#endif
  theStream.write(reinterpret_cast<char*>(&aSize), sizeof(uint64_t));
}
