// Created on: 1993-07-07
// Created by: Jean Yves LEBEY
// 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 License 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 <TopOpeBRep_ShapeScanner.hxx>
#include <TopOpeBRepTool_BoxSort.hxx>
#include <TopOpeBRepTool_define.hxx>
#include <TopOpeBRepTool_ShapeExplorer.hxx>

//=======================================================================
//function : TopOpeBRep_ShapeScanner
//purpose  : 
//=======================================================================
TopOpeBRep_ShapeScanner::TopOpeBRep_ShapeScanner()
{
}    

//=======================================================================
//function : Clear
//purpose  : 
//=======================================================================
void TopOpeBRep_ShapeScanner::Clear()
{
  myBoxSort.Clear();
}    

//=======================================================================
//function : AddBoxesMakeCOB
//purpose  : 
//=======================================================================
void TopOpeBRep_ShapeScanner::AddBoxesMakeCOB(const TopoDS_Shape& S,const TopAbs_ShapeEnum TS,const TopAbs_ShapeEnum TA)
{
  myBoxSort.AddBoxesMakeCOB(S,TS,TA);
}

//=======================================================================
//function : Init
//purpose  : 
//=======================================================================
void TopOpeBRep_ShapeScanner::Init(TopOpeBRepTool_ShapeExplorer &E)
{
  TColStd_ListOfInteger anEmptyList;

  myListIterator.Initialize(anEmptyList);

  for (; E.More(); E.Next() )  {
    const TopoDS_Shape& cur = E.Current();
//    TopAbs_ShapeEnum t = cur.ShapeType();
    Init(cur);
    Standard_Boolean b = More();
    if ( b ) break;
  }
}

//=======================================================================
//function : Init
//purpose  : 
//=======================================================================
void TopOpeBRep_ShapeScanner::Init(const TopoDS_Shape &E)
{
  myListIterator = myBoxSort.Compare(E);
}

//=======================================================================
//function : More
//purpose  : 
//=======================================================================
Standard_Boolean TopOpeBRep_ShapeScanner::More() const
{
  Standard_Boolean b = myListIterator.More();
  return b;
}

//=======================================================================
//function : Next
//purpose  : 
//=======================================================================
void TopOpeBRep_ShapeScanner::Next()
{
  myListIterator.Next();
}

//=======================================================================
//function : Current
//purpose  : 
//=======================================================================
const TopoDS_Shape& TopOpeBRep_ShapeScanner::Current() const
{
  const TopoDS_Shape& E = myBoxSort.TouchedShape(myListIterator);
  return E;
}

//=======================================================================
//function : BoxSort
//purpose  : 
//=======================================================================
const TopOpeBRepTool_BoxSort& TopOpeBRep_ShapeScanner::BoxSort() const
{
  return myBoxSort;
}

//=======================================================================
//function : BoxSort
//purpose  : 
//=======================================================================
TopOpeBRepTool_BoxSort& TopOpeBRep_ShapeScanner::ChangeBoxSort()
{
  return myBoxSort;
}

//=======================================================================
//function : Index
//purpose  : 
//=======================================================================
Standard_Integer TopOpeBRep_ShapeScanner::Index()const 
{
  Standard_Integer n = 0;
  if ( myListIterator.More() ) n = myListIterator.Value();
  return n;
}

//=======================================================================
//function : DumpCurrent
//purpose  : 
//=======================================================================
Standard_OStream& TopOpeBRep_ShapeScanner::DumpCurrent(Standard_OStream& OS)const 
{
#ifdef OCCT_DEBUG
  if ( More() ) { 
    const TopoDS_Shape&     S = Current();
    TopAbs_ShapeEnum    T = S.ShapeType();
    TopAbs_Orientation  O = S.Orientation();
    Standard_Integer    I = Index();
    TopAbs::Print(T,std::cout);
    std::cout<<"("<<I<<","; TopAbs::Print(O,std::cout); std::cout<<") ";
  }
#endif
  return OS;
}
