liboce-foundation-dev 0.15-4 / usr / include / oce / GraphDS_Vertex.gxx

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// Created on: 1993-03-16
// Created by: Denis PASCAL
// Copyright (c) 1993-1999 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 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 <Standard_NoSuchObject.hxx>
#include <Standard_NoMoreObject.hxx>
#include <Standard_DomainError.hxx>
#include <Standard_NotImplemented.hxx>


//=======================================================================
//function : GraphDS_Vertex
//purpose  : 
//=======================================================================

GraphDS_Vertex::GraphDS_Vertex (const GraphDS_Item& value) : myItem(value)
{
}


//=======================================================================
//function : GetItem
//purpose  : 
//=======================================================================

const GraphDS_Item& GraphDS_Vertex::GetItem () const 
{
  return myItem;
}


//=======================================================================
//function : SetItem
//purpose  : 
//=======================================================================

void GraphDS_Vertex::SetItem (const GraphDS_Item& Value) 
{
  myItem = Value;
}

//=======================================================================
//function : Contains
//purpose  : 
//=======================================================================

Standard_Boolean GraphDS_Vertex::Contains (const Handle(GraphDS_Edge)& E) const 
{
  return myEdges.Contains(E);
}


Standard_Boolean GraphDS_Vertex::IsFront (const Handle(GraphDS_Edge)& ) const 
{
  Standard_NotImplemented::Raise();
  return Standard_False;
}


Standard_Boolean GraphDS_Vertex::IsBack (const Handle(GraphDS_Edge)& ) const 
{
  Standard_NotImplemented::Raise();
  return Standard_False;
}



//=======================================================================
//function : IsRoot
//purpose  : never destination of an edge
//=======================================================================

Standard_Boolean GraphDS_Vertex::IsRoot (const Standard_Boolean ignoreselfloop) const 
{
  Handle(GraphDS_Vertex) me = this;
  Handle(GraphDS_Edge) E;
  TColStd_MapIteratorOfMapOfTransient it;
  for (it.Initialize(myEdges); it.More(); it.Next()) {
    E = Handle(GraphDS_Edge)::DownCast(it.Key());    
    if (ignoreselfloop && E->IsLoop()) continue;
    if (E->Destination() == me) return Standard_False;
  }
  return Standard_True;
}


//=======================================================================
//function : IsLeaf
//purpose  : never source of an edge
//=======================================================================

Standard_Boolean GraphDS_Vertex::IsLeaf (const Standard_Boolean ignoreselfloop) const 
{
  Handle(GraphDS_Vertex) me = this;
  Handle(GraphDS_Edge) E;
  TColStd_MapIteratorOfMapOfTransient it;
  for (it.Initialize(myEdges); it.More(); it.Next()) {
    E = Handle(GraphDS_Edge)::DownCast(it.Key());
    if (ignoreselfloop && E->IsLoop()) continue;
    if (E->Source() == me) return Standard_False;
  }
  return Standard_True;
}

//=======================================================================
//function : AddEdge
//purpose  : private
//=======================================================================

Standard_Boolean GraphDS_Vertex::AddEdge (const Handle(GraphDS_Edge)& E) 
{
  return myEdges.Add(E);
}


//=======================================================================
//function : RemoveEdge
//purpose  : private 
//=======================================================================

void GraphDS_Vertex::RemoveEdge (const Handle(GraphDS_Edge)& E) 
{
  myEdges.Remove(E);
}
       


//=======================================================================
//function : GetEdges
//purpose  : private
//=======================================================================

const TColStd_MapOfTransient& GraphDS_Vertex::GetEdges () const 
{
  return myEdges;
}

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