unv_io.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2024 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_UNV_IO_H
#define LIBMESH_UNV_IO_H


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

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

namespace libMesh
{

// Forward declarations
class MeshBase;

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

public:

  UNVIO (MeshBase & mesh);

  UNVIO (const MeshBase & mesh);

  virtual ~UNVIO ();

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

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

  bool & verbose ();

  void read_dataset(std::string file_name);

  const std::vector<Number> * get_data (Node * node) const;

private:


  void read_implementation (std::istream & in_stream);

  void write_implementation (std::ostream & out_stream);

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

  void nodes_in (std::istream & in_file);

  void elements_in (std::istream & in_file);

  void groups_in(std::istream & in_file);

  //-------------------------------------------------------------
  // write support methods

  void nodes_out (std::ostream & out_file);

  void elements_out (std::ostream & out_file);

  unsigned char max_elem_dimension_seen ();

  bool need_D_to_e (std::string & number);

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

  bool _verbose;

  std::map<dof_id_type, Node *> _unv_node_id_to_libmesh_node_ptr;

  static const std::string _nodes_dataset_label;

  static const std::string _elements_dataset_label;

  static const std::string _groups_dataset_label;

  std::map<unsigned, unsigned> _unv_elem_id_to_libmesh_elem_id;

  std::map<Node *, std::vector<Number>> _node_data;
};



} // namespace libMesh


#endif // LIBMESH_UNV_IO_H