#ifndef __NAREDBA_HPP__
#define __NAREDBA_HPP__ 1
#include "izraz.hpp"
#include <string>
#include <vector>
using namespace std;

class Naredba {
public:
  virtual void izvrsi() const = 0;
  virtual Naredba* kopija() const = 0;
  virtual ~Naredba() {

  }
};

class IspisS : public Naredba {
public:
  IspisS(string s)
    :_s(s)
  {}
  void izvrsi() const;
  Naredba* kopija() const;
private:
  string _s;
};

class IspisE : public Naredba {
public:
  IspisE(Izraz *i)
    :_i(i->kopija())
  {}
  void izvrsi() const;
  ~IspisE();
  IspisE(const IspisE& x);
  IspisE& operator=(const IspisE& x);
  Naredba* kopija() const;
private:
  Izraz *_i;
};

class Blok : public Naredba {
public:
  Blok(vector<Naredba*> v)
  {
    for(unsigned i = 0; i < v.size(); i++)
      _niz.push_back(v[i]->kopija());
  }
  Naredba* kopija() const;
  void izvrsi() const;
  ~Blok();
  Blok(const Blok& x);
  Blok& operator=(const Blok& x);
private:
  vector<Naredba*> _niz;
};

#endif