// Created on: 2007-05-29
// Created by: Vlad Romashko
// Copyright (c) 2007-2014 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 <BinMDataStd_ExtStringListDriver.ixx>
#include <TDataStd_ExtStringList.hxx>
#include <TColStd_Array1OfExtendedString.hxx>
#include <TDataStd_ListIteratorOfListOfExtendedString.hxx>

//=======================================================================
//function : BinMDataStd_ExtStringListDriver
//purpose  : Constructor
//=======================================================================
BinMDataStd_ExtStringListDriver::BinMDataStd_ExtStringListDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
     : BinMDF_ADriver (theMsgDriver, STANDARD_TYPE(TDataStd_ExtStringList)->Name())
{

}

//=======================================================================
//function : NewEmpty
//purpose  : 
//=======================================================================
Handle(TDF_Attribute) BinMDataStd_ExtStringListDriver::NewEmpty() const
{
  return new TDataStd_ExtStringList();
}

//=======================================================================
//function : Paste
//purpose  : persistent -> transient (retrieve)
//=======================================================================
Standard_Boolean BinMDataStd_ExtStringListDriver::Paste(const BinObjMgt_Persistent&  theSource,
							const Handle(TDF_Attribute)& theTarget,
							BinObjMgt_RRelocationTable&  ) const
{
  Standard_Integer aFirstInd, aLastInd;
  if (! (theSource >> aFirstInd >> aLastInd))
    return Standard_False;
  const Standard_Integer aLength = aLastInd - aFirstInd + 1;
  if (aLength <= 0)
    return Standard_False;

  Handle(TDataStd_ExtStringList) anAtt = Handle(TDataStd_ExtStringList)::DownCast(theTarget);
  for (Standard_Integer i = aFirstInd; i <= aLastInd; i ++)
  {
    TCollection_ExtendedString aStr;
    if ( !(theSource >> aStr) )
    {
      return Standard_False;
    }
    anAtt->Append(aStr);
  }

  return Standard_True;
}

//=======================================================================
//function : Paste
//purpose  : transient -> persistent (store)
//=======================================================================
void BinMDataStd_ExtStringListDriver::Paste(const Handle(TDF_Attribute)& theSource,
					    BinObjMgt_Persistent&        theTarget,
					    BinObjMgt_SRelocationTable&  ) const
{
  Handle(TDataStd_ExtStringList) anAtt = Handle(TDataStd_ExtStringList)::DownCast(theSource);
  const Standard_Integer aFirstInd = 1;
  const Standard_Integer aLastInd  = anAtt->Extent();
  theTarget << aFirstInd << aLastInd;
  TDataStd_ListIteratorOfListOfExtendedString itr(anAtt->List());
  for (; itr.More(); itr.Next())
  {
    theTarget << itr.Value();
  }
}