// Created on: 1991-04-11
// Created by: Arnaud BOUZY
// Copyright (c) 1991-1999 Matra Datavision
// Copyright (c) 1999-2014 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 <Expr_NamedExpression.hxx>
#include <Standard_Type.hxx>
#include <TCollection_AsciiString.hxx>

IMPLEMENT_STANDARD_RTTIEXT(Expr_NamedExpression,Expr_GeneralExpression)

//=======================================================================
//function : GetName
//purpose  : 
//=======================================================================
const TCollection_AsciiString& Expr_NamedExpression::GetName() const
{
  return myName;
}

//=======================================================================
//function : SetName
//purpose  : 
//=======================================================================

void Expr_NamedExpression::SetName(const TCollection_AsciiString& name)
{
  myName = name;
}

//=======================================================================
//function : IsShareable
//purpose  : 
//=======================================================================

Standard_Boolean Expr_NamedExpression::IsShareable () const
{
  return Standard_True;
}

//=======================================================================
//function : IsIdentical
//purpose  : 
//=======================================================================

Standard_Boolean Expr_NamedExpression::IsIdentical
                        (const Handle(Expr_GeneralExpression)& theOther) const
{
  Standard_Boolean aResult(Standard_False);
  if (theOther->IsKind(STANDARD_TYPE(Expr_NamedExpression))) {
//  Handle(Expr_NamedExpression) me = this;
//  Handle(Expr_NamedExpression) NEOther = Handle(Expr_NamedExpression)::DownCast(Other);
//  return  (me == NEOther);

//AGV 22.03.12: Comparison should be based on names rather than Handles
    const Expr_NamedExpression* pOther =
      static_cast<const Expr_NamedExpression*>(theOther.get());
    if (pOther == this || pOther->GetName().IsEqual(myName))
      aResult = Standard_True;
  }
  return aResult;
}

TCollection_AsciiString Expr_NamedExpression::String() const
{
  return GetName();
}