ModelService.hpp

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/*
 * Copyright (C) 2004  Andrew Sutton
 *
 * 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
 *
 * Contact:
 *   Andrew Sutton  asutton@cs.kent.edu
 */

#ifndef OMF_MODELSERVICE_HPP
#define OMF_MODELSERVICE_HPP

// std includes
#include <string>
#include <list>
#include <map>

namespace OMF
{
  // forward declarations
  class Model;

  class ModelService
  {
  protected:
    ModelService();

  public:
    ~ModelService();

    static ModelService &instance();

    Model *findModel(const std::string &name);

    void addPath(const std::string &path);

  private:
    Model *getModel(const std::string &name);

  private:
    typedef std::list<std::string> SearchPath;
    typedef std::map<std::string, Model *> ModelMap;

    SearchPath  _search;
    ModelMap  _models;
  };
};

#endif

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