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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright 2008 Sandia Corporation
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
#include "vtkInEdgeIterator.h"
#include "vtkGraph.h"
#include "vtkGraphEdge.h"
#include "vtkObjectFactory.h"
VTK_ABI_NAMESPACE_BEGIN
vtkCxxSetObjectMacro(vtkInEdgeIterator, Graph, vtkGraph);
vtkStandardNewMacro(vtkInEdgeIterator);
//------------------------------------------------------------------------------
vtkInEdgeIterator::vtkInEdgeIterator()
{
this->Vertex = 0;
this->Current = nullptr;
this->End = nullptr;
this->Graph = nullptr;
this->GraphEdge = nullptr;
}
//------------------------------------------------------------------------------
vtkInEdgeIterator::~vtkInEdgeIterator()
{
if (this->Graph)
{
this->Graph->Delete();
}
if (this->GraphEdge)
{
this->GraphEdge->Delete();
}
}
//------------------------------------------------------------------------------
void vtkInEdgeIterator::Initialize(vtkGraph* graph, vtkIdType v)
{
this->SetGraph(graph);
this->Vertex = v;
vtkIdType nedges;
this->Graph->GetInEdges(this->Vertex, this->Current, nedges);
this->End = this->Current + nedges;
}
//------------------------------------------------------------------------------
vtkGraphEdge* vtkInEdgeIterator::NextGraphEdge()
{
vtkInEdgeType e = this->Next();
if (!this->GraphEdge)
{
this->GraphEdge = vtkGraphEdge::New();
}
this->GraphEdge->SetSource(e.Source);
this->GraphEdge->SetTarget(this->Vertex);
this->GraphEdge->SetId(e.Id);
return this->GraphEdge;
}
//------------------------------------------------------------------------------
void vtkInEdgeIterator::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Graph: " << (this->Graph ? "" : "(null)") << endl;
if (this->Graph)
{
this->Graph->PrintSelf(os, indent.GetNextIndent());
}
os << indent << "Vertex: " << this->Vertex << endl;
}
VTK_ABI_NAMESPACE_END
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