Storage.hh

/*
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 * GSMP: utility/include/Storage.hh
 * General Sound Manipulation Program is Copyright (C) 2000 - 2004
 *   Valentin Ziegler and René Rebe
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2. A copy of the GNU General
 * Public License can be found in the file LICENSE.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANT-
 * ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
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 * --- GSMP-COPYRIGHT-NOTE-END ---
 */

/* Short Description:
 *   Object oriented trival "Storage" I/O.
 */

#ifndef UTILITY__STORAGE_HH__
#define UTILITY__STORAGE_HH__

#include <string>
#include <vector>
#include <map>
#include <iostream>

namespace Utility {

  class BasicStorage {
  public:
  
    virtual ~BasicStorage () {};
  
    virtual std::istream& Read (std::istream& is) = 0;
    virtual std::ostream& Write (std::ostream& os) = 0;

    std::string name;
  };

  template <typename T> 
  class Storage : public BasicStorage {
 
  public:
  
    Storage (const std::string& i_name) {
      name = i_name;
    }

    Storage (const std::string& i_name, const T& i_value) {
      name = i_name;
      value = i_value;
    }
  
    virtual std::istream& Read (std::istream& is) {
      // TODO: error handling
      is >> value;
      return is;
    }
  
    virtual std::ostream& Write (std::ostream& os) {
      os << value;
      return os;
    }
  
    T Get () {
      return value;
    }

    void Set (const T& v) {
      value = v;
    }
  
  private:
    T value;
  };

  // some bool specialisations ...
  template <> std::istream& Storage<bool>::Read (std::istream& is);

  class Serializer {

  public:

    void Add (BasicStorage* storage);
  
    std::istream& Read (std::istream& is, bool verbose = true);
  
  private:
    typedef std::map<std::string, BasicStorage*> container;
    typedef container::iterator iterator;
  
    container content;
  };

} // namespace Utility

#include "template/Storage.tcc"

#endif // UTILITY__STORAGE__