// Copyright (c) 2020 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 <Message_Messenger.hxx>
#include <Standard_Type.hxx>
#include <TDataStd_GenericExtString.hxx>
#include <TDF_Attribute.hxx>
#include <XmlMDataStd_GenericExtStringDriver.hxx>
#include <XmlObjMgt.hxx>
#include <XmlObjMgt_Persistent.hxx>
#include <XmlObjMgt_RRelocationTable.hxx>
#include <XmlObjMgt_SRelocationTable.hxx>

IMPLEMENT_STANDARD_RTTIEXT(XmlMDataStd_GenericExtStringDriver,XmlMDF_ADriver)
IMPLEMENT_DOMSTRING (AttributeIDString, "nameguid")
//=======================================================================
//function : XmlMDataStd_GenericExtStringDriver
//purpose  : Constructor
//=======================================================================
XmlMDataStd_GenericExtStringDriver::XmlMDataStd_GenericExtStringDriver
                        (const Handle(Message_Messenger)& theMsgDriver)
      : XmlMDF_ADriver (theMsgDriver, NULL)
{}

//=======================================================================
//function : NewEmpty()
//purpose  : 
//=======================================================================
Handle(TDF_Attribute) XmlMDataStd_GenericExtStringDriver::NewEmpty () const
{
  return Handle(TDF_Attribute)(); // this attribute can not be created
}

//=======================================================================
//function : SourceType
//purpose  : 
//=======================================================================
Handle(Standard_Type) XmlMDataStd_GenericExtStringDriver::SourceType() const
{
  return Standard_Type::Instance<TDataStd_GenericExtString>();
}

//=======================================================================
//function : Paste()
//purpose  : 
//=======================================================================
Standard_Boolean XmlMDataStd_GenericExtStringDriver::Paste
                               (const XmlObjMgt_Persistent&  theSource,
                                const Handle(TDF_Attribute)& theTarget,
                                XmlObjMgt_RRelocationTable&  ) const
{
  if(!theTarget.IsNull()) {
    TCollection_ExtendedString aString;
    if (XmlObjMgt::GetExtendedString (theSource, aString))
    {
      Handle(TDataStd_GenericExtString)::DownCast(theTarget)->Set (aString);
      const XmlObjMgt_Element& anElement = theSource;
      XmlObjMgt_DOMString aGUIDStr = anElement.getAttribute(::AttributeIDString());
      if (aGUIDStr.Type() != XmlObjMgt_DOMString::LDOM_NULL) { // user defined GUID case
        Standard_GUID aGUID = Standard_GUID(Standard_CString(aGUIDStr.GetString()));
        Handle(TDataStd_GenericExtString)::DownCast(theTarget)->SetID(aGUID);
      }
      return Standard_True;
    }
  }
  myMessageDriver->Send("error retrieving ExtendedString for type TDataStd_GenericExtString", Message_Fail);
  return Standard_False;
}

//=======================================================================
//function : Paste()
//purpose  : store
//=======================================================================
void XmlMDataStd_GenericExtStringDriver::Paste (const Handle(TDF_Attribute)& theSource,
                                    XmlObjMgt_Persistent&        theTarget,
                                    XmlObjMgt_SRelocationTable&  ) const
{
  Handle(TDataStd_GenericExtString) aStr = Handle(TDataStd_GenericExtString)::DownCast(theSource);
  if (aStr.IsNull()) return;
  XmlObjMgt::SetExtendedString (theTarget, aStr->Get());
  //convert GUID
  Standard_Character aGuidStr [Standard_GUID_SIZE_ALLOC];
  Standard_PCharacter pGuidStr = aGuidStr;
  aStr->ID().ToCString (pGuidStr);
  theTarget.Element().setAttribute (::AttributeIDString(), aGuidStr);
}