// File:	TDF_DataSet.lxx
//      	---------------
// Author:	DAUTRY Philippe
//		<fid@fox.paris1.matra-dtv.fr>
// Copyright:	Matra Datavision 1997

// Version:	0.0
// History:	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; }