JClonable.cc

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#include <iostream>
#include <iomanip>

#include "JLang/JClonable.hh"

#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"


namespace {

  using namespace JPP;
  

  struct __A__ :
    public JClonable<__A__>    
  {
    virtual ~__A__() 
    {}

    virtual int get() const = 0;
  };

  struct __B__ :
    public JClonable<__A__, __B__>
  {
    static const int value = 1;

    virtual int get() const
    {
      return __B__::value;
    }
  };

  struct __C__ :
    public JClonable<__A__, __C__>
  {
    static const int value = 2;

    virtual int get() const
    {
      return __C__::value;
    }
  };
}

/**
 * \file
 *
 * Example program to test JLANG::JClonable class.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;

  int debug;

  try {

    JParser<> zap("Example program to test object cloning.");

    zap['d'] = make_field(debug)     = 3;

    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }

  __B__ b;
  __C__ c;

  {
    __A__* p = b.clone();

    ASSERT(p->get() == __B__::value);

    delete p;
  }
  
  {
    __A__* p = c.clone();

    ASSERT(p->get() == __C__::value);

    delete p;
  }
  
  return 0;
}