named_selection.h

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// -----------------------------------------------------------------------------
//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception OR LGPL-2.1-or-later
// Copyright (C) 2015 - 2025 by the deal.II authors
//
// This file is part of the deal.II library.
//
// Detailed license information governing the source code and contributions
// can be found in LICENSE.md and CONTRIBUTING.md at the top level directory.
//
// -----------------------------------------------------------------------------
 
#ifndef dealii_named_selection_h
#define dealii_named_selection_h
 
#include <deal.II/base/config.h>
 
#include <deal.II/algorithms/any_data.h>
 
#include <deal.II/base/exceptions.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