named_selection.h

// ---------------------------------------------------------------------
//
// Copyright (C) 2000 - 2017 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, 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.
// The full text of the license can be found in the file LICENSE at
// the top level of the deal.II distribution.
//
// ---------------------------------------------------------------------

#ifndef dealii_named_selection_h
#define dealii_named_selection_h

#include <deal.II/base/config.h>
#include <deal.II/algorithms/any_data.h>

#include <string>

DEAL_II_NAMESPACE_OPEN

class NamedSelection
{

public:

  void add (const std::string &name);


  void initialize(const AnyData &data);


  unsigned int size() const;


  unsigned int operator() (unsigned int i) const;


private:

  std::vector<std::string> names;

  std::vector<unsigned int> indices;

};


inline
unsigned int
NamedSelection::size() const
{

  return names.size();

}


inline
void
NamedSelection::add(const std::string &s)
{

  names.push_back(s);

}


inline
unsigned int
NamedSelection::operator() (unsigned int i) const
{

  Assert (indices.size() == names.size(), ExcNotInitialized());

  AssertIndexRange(i, size());

  return indices[i];

}

DEAL_II_NAMESPACE_CLOSE

#endif