mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-08-09 13:22:24 +03:00
82 lines
2.1 KiB
Plaintext
Executable File
82 lines
2.1 KiB
Plaintext
Executable File
// Copyright: Matra-Datavision 1991
|
|
// File: PCollection_BreadthFirstIterator.gxx
|
|
// Created: Wed May 29 17:43:06 1991
|
|
// Author: Denis PASCAL
|
|
// <dp>
|
|
// Revised by: Mireille MERCIEN
|
|
// Sep,7 1992
|
|
|
|
#include <Standard_NoMoreObject.hxx>
|
|
#include <Standard_NoSuchObject.hxx>
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
// Constructor
|
|
//---------------------------------------------------------------------------
|
|
PCollection_BreadthFirstIterator::
|
|
PCollection_BreadthFirstIterator (const Handle(PCollection_Vertex)& V)
|
|
{
|
|
Visited = new PCollection_SetOfVertex;
|
|
Ready = new PCollection_QueueOfVertex;
|
|
Visited->Add(V);
|
|
//mip Ready->Add(V);
|
|
Ready->Push(V);
|
|
HasMore = !(Ready->IsEmpty());
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
// More
|
|
//---------------------------------------------------------------------------
|
|
Boolean PCollection_BreadthFirstIterator::More () const
|
|
{
|
|
return HasMore;
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
// Next
|
|
//---------------------------------------------------------------------------
|
|
void PCollection_BreadthFirstIterator::Next ()
|
|
{
|
|
if (!HasMore) Standard_NoMoreObject::Raise();
|
|
Handle(PCollection_Vertex) w1 = Ready->Front();
|
|
Ready->Pop();
|
|
PCollection_FrontEdgesIterator It(w1);
|
|
while (It.More()) {
|
|
Handle(PCollection_Vertex) w2 = It.Value()->Destination();
|
|
if (! (Visited->Contains(w2))) {
|
|
//mip Ready->Add(w2);
|
|
Ready->Push(w2);
|
|
Visited->Add(w2);
|
|
}
|
|
It.Next();
|
|
}
|
|
HasMore = !(Ready->IsEmpty());
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
// Value
|
|
//---------------------------------------------------------------------------
|
|
Handle(PCollection_Vertex) PCollection_BreadthFirstIterator::Value () const
|
|
{
|
|
if (!HasMore) Standard_NoSuchObject::Raise();
|
|
return Ready->Front();
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
// Clear
|
|
//---------------------------------------------------------------------------
|
|
void PCollection_BreadthFirstIterator::Clear ()
|
|
{
|
|
HasMore = False;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|