unv_io.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2026 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