// Created by: DAUTRY Philippe
// Copyright (c) 1997-1999 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.

//      	----------------------
// Version:	0.0
//Version	Date		Purpose
//		0.0	Sep  8 1997	Creation

#include <Standard_GUID.hxx>
#include <Standard_Type.hxx>
#include <TCollection_AsciiString.hxx>
#include <TDF_Attribute.hxx>
#include <TDF_AttributeDelta.hxx>
#include <TDF_Label.hxx>
#include <TDF_Tool.hxx>

IMPLEMENT_STANDARD_RTTIEXT(TDF_AttributeDelta,Standard_Transient)

//=======================================================================
//function : TDF_AttributeDelta
//purpose  : 
//=======================================================================
TDF_AttributeDelta::TDF_AttributeDelta
(const Handle(TDF_Attribute)& anAttribute)
: myAttribute(anAttribute),
  myLabel(anAttribute->Label())
{}


//=======================================================================
//function : Label
//purpose  : 
//=======================================================================

TDF_Label TDF_AttributeDelta::Label() const
{ return myLabel; }


//=======================================================================
//function : Attribute
//purpose  : 
//=======================================================================

Handle(TDF_Attribute) TDF_AttributeDelta::Attribute() const
{ return myAttribute; }


//=======================================================================
//function : ID
//purpose  : 
//=======================================================================

Standard_GUID TDF_AttributeDelta::ID() const
{ return myAttribute->ID(); }


//=======================================================================
//function : Dump
//purpose  : 
//=======================================================================

Standard_OStream& TDF_AttributeDelta::Dump(Standard_OStream& OS) const
{
  static TCollection_AsciiString entry;
  TDF_Tool::Entry(Label(),entry);
  OS<<this->DynamicType()->Name()<<" at "<<entry;
  OS<<" on "<<Attribute()->DynamicType()->Name();
  return OS;
}