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63 lines
1.7 KiB
Plaintext
Executable File
63 lines
1.7 KiB
Plaintext
Executable File
// Copyright: Matra-Datavision 1991
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// File: PCollection_BackEdgesIterator.gxx
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// Created: Wed May 29 17:42:21 1991
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// Author: Denis PASCAL
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// <dp>
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// Revised by: Mireille MERCIEN
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// Sep,7 1992
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#include <Standard_NoMoreObject.hxx>
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#include <Standard_NoSuchObject.hxx>
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//---------------------------------------------------------------------------
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// Constructor
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//---------------------------------------------------------------------------
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PCollection_BackEdgesIterator::PCollection_BackEdgesIterator
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(const Handle(PCollection_Vertex)& V):MyEdgeIterator(V->GetBackEdges())
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{
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HasMore = MyEdgeIterator.More();
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}
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//---------------------------------------------------------------------------
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// More
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//---------------------------------------------------------------------------
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Boolean PCollection_BackEdgesIterator::More () const
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{
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return HasMore;
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}
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//---------------------------------------------------------------------------
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// Next
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//---------------------------------------------------------------------------
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void PCollection_BackEdgesIterator::Next ()
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{
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if (!HasMore) Standard_NoMoreObject::Raise();
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MyEdgeIterator.Next();
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HasMore = MyEdgeIterator.More();
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}
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//---------------------------------------------------------------------------
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// Value
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//---------------------------------------------------------------------------
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Handle(PCollection_Edge) PCollection_BackEdgesIterator::Value () const
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{
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if (HasMore) {
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return MyEdgeIterator.Value();
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}
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else {
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NoSuchObject::Raise();
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}
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}
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//---------------------------------------------------------------------------
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// Clear
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//---------------------------------------------------------------------------
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void PCollection_BackEdgesIterator::Clear ()
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{
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HasMore = False;
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}
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