// Copyright (C) 2007-2020  CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

//  SMESH SMDS : implementation of Salome mesh data structure
//
#ifdef _MSC_VER
#pragma warning(disable:4786)
#endif

#include "SMDS_PolygonalFaceOfNodes.hxx"

#include "SMDS_SetIterator.hxx"
#include "SMDS_Mesh.hxx"

#include <boost/make_shared.hpp>

#include <utilities.h>

//=======================================================================
//function : Constructor
//purpose  : 
//=======================================================================
SMDS_PolygonalFaceOfNodes::
SMDS_PolygonalFaceOfNodes (const std::vector<const SMDS_MeshNode *>& nodes)
{
  myNodes = nodes;
}

//=======================================================================
//function : GetType
//purpose  : 
//=======================================================================
SMDSAbs_ElementType SMDS_PolygonalFaceOfNodes::GetType() const
{
  return SMDSAbs_Face;
}

//=======================================================================
//function : ChangeNodes
//purpose  : 
//=======================================================================
// bool SMDS_PolygonalFaceOfNodes::ChangeNodes (std::vector<const SMDS_MeshNode *> nodes)
// {
//   if (nodes.size() < 3)
//     return false;

//   myNodes = nodes;

//   return true;
// }

//=======================================================================
//function : ChangeNodes
//purpose  : to support the same interface, as SMDS_FaceOfNodes
//=======================================================================
// bool SMDS_PolygonalFaceOfNodes::ChangeNodes (const SMDS_MeshNode* nodes[],
//                                              const int            nbNodes)
// {
//   if (nbNodes < 3)
//     return false;

//   myNodes.resize(nbNodes);
//   int i = 0;
//   for (; i < nbNodes; i++) {
//     myNodes[i] = nodes[i];
//   }

//   return true;
// }

//=======================================================================
//function : NbNodes
//purpose  : 
//=======================================================================
int SMDS_PolygonalFaceOfNodes::NbNodes() const
{
  return myNodes.size();
}

//=======================================================================
//function : NbEdges
//purpose  : 
//=======================================================================
int SMDS_PolygonalFaceOfNodes::NbEdges() const
{
  return NbNodes();
}

//=======================================================================
//function : NbFaces
//purpose  : 
//=======================================================================
int SMDS_PolygonalFaceOfNodes::NbFaces() const
{
  return 1;
}

//=======================================================================
//function : Print
//purpose  : 
//=======================================================================
void SMDS_PolygonalFaceOfNodes::Print(ostream & OS) const
{
  OS << "polygonal face <" << GetID() << " > : ";
  int i, nbNodes = myNodes.size();
  for (i = 0; i < nbNodes - 1; i++)
    OS << myNodes[i] << ",";
  OS << myNodes[i] << ") " << endl;
}

/// ===================================================================
/*!
 * \brief Iterator on edges of face
 */
/// ===================================================================

/*!
 * \brief Return node by its index
 * \param ind - node index
 * \retval const SMDS_MeshNode* - the node
 */
const SMDS_MeshNode* SMDS_PolygonalFaceOfNodes::GetNode(const int ind) const
{
  return myNodes[ WrappedIndex( ind )];
}

SMDS_ElemIteratorPtr SMDS_PolygonalFaceOfNodes::nodesIterator() const
{
  return boost::make_shared< SMDS_NodeArrayElemIterator >( &myNodes[0], &myNodes[0] + NbNodes() );
}

SMDS_NodeIteratorPtr SMDS_PolygonalFaceOfNodes::nodeIterator() const
{
  return boost::make_shared< SMDS_NodeArrayIterator >( &myNodes[0], &myNodes[0] + NbNodes() );
}