// Created by: DAUTRY Philippe
// Copyright (c) 1997-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.

//      	---------------

// Version:	0.0
//Version	Date		Purpose
//		0.0	Mar 11 1997	Creation

#include <TDF_Label.hxx>
#include <TDF_Attribute.hxx>

// IsEmpty
//=========
inline Standard_Boolean TDF_DataSet::IsEmpty() const
{ return (myLabelMap.IsEmpty() && myAttributeMap.IsEmpty()); }

// Labels
//========
inline void TDF_DataSet::AddLabel(const TDF_Label& aLabel)
{ if (!aLabel.IsNull()) myLabelMap.Add(aLabel); }

inline Standard_Boolean TDF_DataSet::ContainsLabel
(const TDF_Label& aLabel) const
{ return myLabelMap.Contains(aLabel); }

inline TDF_LabelMap& TDF_DataSet::Labels()
{ return myLabelMap; }

// Attributes
//============

inline void TDF_DataSet::AddAttribute(const Handle(TDF_Attribute)& anAttribute)
{ if (!anAttribute.IsNull()) myAttributeMap.Add(anAttribute); }

inline Standard_Boolean TDF_DataSet::ContainsAttribute
(const Handle(TDF_Attribute)& anAttribute) const
{ return myAttributeMap.Contains(anAttribute); }

inline TDF_AttributeMap& TDF_DataSet::Attributes()
{ return myAttributeMap; }

// Root labels
//=============

inline void TDF_DataSet::AddRoot(const TDF_Label& aLabel)
{ if (ContainsLabel(aLabel)) myRootLabels.Append(aLabel); }

inline TDF_LabelList& TDF_DataSet::Roots()
{ return myRootLabels; }