MeshData.h

// Copyright (C) 2008-2011 Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN 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 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// Modified by Niclas Jansson, 2008.
// Modified by Garth N. Wells, 2011.
//
// First added:  2008-05-19
// Last changed: 2011-09-15

#ifndef __MESH_DATA_H
#define __MESH_DATA_H

#include <map>
#include <memory>
#include <string>
#include <vector>
#include <dolfin/common/Variable.h>

namespace dolfin
{

  class Mesh;


  class MeshData : public Variable
  {
  public:

    MeshData();

    ~MeshData();

    const MeshData& operator= (const MeshData& data);

    void clear();

    //--- Query of data ---

    bool exists(std::string name, std::size_t dim) const;

    //--- Creation of data ---

    std::vector<std::size_t>& create_array(std::string name, std::size_t dim);

    //--- Retrieval of data ---

    std::vector<std::size_t>& array(std::string name, std::size_t dim);

    const std::vector<std::size_t>& array(std::string name,
                                          std::size_t dim) const;

    //--- Removal of data ---

    void erase_array(const std::string name, std::size_t dim);

    //--- Misc ---

    std::string str(bool verbose) const;

    friend class XMLMesh;

  private:

    // Check if name is deprecated
    void check_deprecated(std::string name) const;

    // A map from named mesh array data to vector for dim
    std::vector<std::map<std::string, std::vector<std::size_t> > > _arrays;

    // List of deprecated named data
    std::vector<std::string> _deprecated_names;

  };

}

#endif