tetgen_io.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2018 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner

// 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



#ifndef LIBMESH_TETGEN_IO_H
#define LIBMESH_TETGEN_IO_H

// Local includes
#include "libmesh/libmesh_common.h"
#include "libmesh/mesh_input.h"
#include "libmesh/mesh_output.h"

// C++ includes
#include <cstddef>
#include <map>

namespace libMesh
{

// Forward declarations
class MeshBase;


class TetGenIO : public MeshInput<MeshBase>,
                 public MeshOutput<MeshBase>
{
public:

  explicit
  TetGenIO (MeshBase & mesh);

  explicit
  TetGenIO (const MeshBase & mesh);

  virtual void read (const std::string &) override;

  virtual void write (const std::string &) override;

  std::vector<std::vector<Real>> node_attributes;

  std::vector<std::vector<Real>> element_attributes;

private:


  //-------------------------------------------------------------
  // read support methods

  void read_nodes_and_elem (std::istream & node_stream,
                            std::istream & ele_stream);

  void node_in (std::istream & node_stream);

  void element_in (std::istream & ele_stream);

  //-------------------------------------------------------------
  // local data

  std::map<dof_id_type,dof_id_type> _assign_nodes;

  dof_id_type _num_nodes;

  dof_id_type _num_elements;
};



// ------------------------------------------------------------
// TetGenIO inline members
inline
TetGenIO::TetGenIO (MeshBase & mesh) :
  MeshInput<MeshBase> (mesh),
  MeshOutput<MeshBase>(mesh)
{
}



inline
TetGenIO::TetGenIO (const MeshBase & mesh) :
  MeshOutput<MeshBase>(mesh)
{
}


} // namespace libMesh


#endif // LIBMESH_TETGEN_IO_H