stack.h

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#ifndef _STACK_H
#define _STACK_H

#include "container.h"

using std::string;

namespace container {

class Stack: public Container {
public:

   const static Info * const TYPE_INFO;

protected:

   Stack();
   Stack(const Stack& orig);

public:

   virtual ~Stack();

   /*********************  Stack Methods (public) *********************/

   void push(Entity* entity);

   Entity * pop();

protected:

   /*********************  Stack Methods (protected) *********************/

   virtual void push_impl(Entity* entity) = 0;

   virtual Entity * pop_impl() = 0;

public:

   /*********************  Container Methods (public) *********************/

   int purgeContents();

private:

   /*********************  Container Methods (private - reduced visibility) *********************/

   inline void setCount(int c) {
      Container::setCount(c);
   }

   inline void incCount() {
      Container::incCount();
   }

   inline void decCount() {
      Container::decCount();
   }

public:

   /*********************  Object Methods (public) *********************/

   virtual ostream& renderState(ostream& os) const;

   virtual const Info* typeInfo() const;

   virtual Object* clone(bool deepCopy = false) const = 0;

};

} // namespace container

#endif /* _STACK_H */

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