/////////////////////////////////////////////////////////////////
// ieVaneer.cpp - demonstrate serialization of STL Containers  //
//                                                             //
// Jim Fawcett, CSE687 - Object Oriented Design, Spring 2008   //
/////////////////////////////////////////////////////////////////

#include <iostream>
#include <string>
#include <list>
#include <vector>

template<typename T>
class iePVaneer
{
public:
  iePVaneer() {}
  iePVaneer(const T& t) : t_(t) {}
  operator T () { return t_; }
  std::ostream& operator>>(std::ostream& strm)
  {
    strm << typeid(*this).name() << "\n";
    strm << t_ << "\n"; 
    return strm; 
  }
  std::istream& operator<<(std::istream& strm)
  { 
    // exercise for student
    return strm;
  }
private:
  T t_;
};

template<typename T>
class ieVaneer : public T
{
public:
  ieVaneer(const T& t) : T(t) {}
  std::ostream& operator>>(std::ostream& strm)
  { 
    strm << *this; 
    return strm; 
  }
  std::istream& operator<<(std::istream& strm)
  { 
    // exercise for student 
    return strm;
  }
};

template<typename T>
class ieCVaneer : public T
{
public:
  std::ostream& operator>>(std::ostream& strm)
  { 
    strm << typeid(T).name() << "\n\n";
    strm << typeid(value_type).name() << "\n\n";
    T::iterator iter;
    for(iter=begin(); iter!=end(); ++iter)
    {
      (*iter).operator>>(strm);
      strm << "\n"; 
    }
    strm << "\n";
    return strm; 
  }
  std::istream& operator<<(std::istream& strm)
  { 
    // exercise for students 
    return strm; 
  }
};

void main()
{
  std::cout << "\n  Demonstrate Serialization of STL Types - Vaneer ";
  std::cout << "\n =================================================\n\n";

  iePVaneer<int> iev = 3;
  std::cout << iev << "\n\n";
  iev >> std::cout;
  std::cout << "\n";

  ieCVaneer< std::list< ieVaneer < std::string > > > ievLS1;
  ievLS1.push_back(std::string("arrdvark"));
  ievLS1.push_back(std::string("platypus"));
  ievLS1.push_back(std::string("zebra"));

  ievLS1 >> std::cout;

  ieCVaneer< std::list< ieVaneer < std::string > > > ievLS2;
  ievLS2.push_back(std::string("horse"));
  ievLS2.push_back(std::string("cow"));
  ievLS2.push_back(std::string("sheep"));

  ieCVaneer< std::vector< ieCVaneer< std::list< ieVaneer < std::string > > > > > ievVLS;
  ievVLS.push_back(ievLS1);
  ievVLS.push_back(ievLS2);

  ievVLS >> std::cout;
  std::cout << "\n\n";
}