tpl_dynListStack.H

00001 
00002 /*
00003   This file is part of Aleph system
00004 
00005   Copyright (c) 2002, 2003, 2004, 2005, 2006
00006   UNIVERSITY LOS ANDES (ULA) Merida - REPÚBLICA BOLIVARIANA DE VENEZUELA  
00007 
00008   - Center of Studies in Microelectronics & Distributed Systems (CEMISID) 
00009   - ULA Computer Science Department
00010   - FUNDACITE Mérida - Ministerio de Ciencia y Tecnología
00011 
00012   PERMISSION TO USE, COPY, MODIFY AND DISTRIBUTE THIS SOFTWARE AND ITS
00013   DOCUMENTATION IS HEREBY GRANTED, PROVIDED THAT BOTH THE COPYRIGHT
00014   NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES OF THE
00015   SOFTWARE, DERIVATIVE WORKS OR MODIFIED VERSIONS, AND ANY PORTIONS
00016   THEREOF, AND THAT BOTH NOTICES APPEAR IN SUPPORTING DOCUMENTATION.
00017 
00018   Aleph is distributed in the hope that it will be useful, but WITHOUT
00019   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
00020   or FITNESS FOR A PARTICULAR PURPOSE.
00021 
00022   UNIVERSIDAD DE LOS ANDES requests users of this software to return to 
00023 
00024   Leandro Leon
00025   CEMISID 
00026   Ed La Hechicera 
00027   3er piso, ala sur
00028   Facultad de Ingenieria 
00029   Universidad de Los Andes 
00030   Merida - REPÚBLICA BOLIVARIANA DE VENEZUELA    or
00031 
00032   lrleon@ula.ve
00033 
00034   any improvements or extensions that they make and grant Universidad 
00035   de Los Andes (ULA) the rights to redistribute these changes. 
00036 
00037   Aleph is (or was) granted by: 
00038   - Consejo de Desarrollo Cientifico, Humanistico, Tecnico de la ULA 
00039     (CDCHT)
00040   - Fundacite Mérida
00041 */
00042 
00043 
00044 # ifndef TPL_DYNLISTSTACK_H
00045 # define TPL_DYNLISTSTACK_H
00046 
00047 # include <tpl_listStack.H>
00048 
00049 namespace Aleph {
00050 
00061     template <typename T>
00062 class DynListStack : public ListStack<T>
00063 {
00064 
00065 public:
00066 
00075   T & top() const throw(std::exception, std::underflow_error)
00076   {
00077     return ListStack<T>::top()->get_data();
00078   }
00089   T & push(const T & __data) throw(std::exception, std::bad_alloc)
00090   {
00091     typename ListStack<T>::Node *ptr = new typename ListStack<T>::Node (__data); 
00092 
00093     ListStack<T>::push(ptr);
00094 
00095     return ptr->get_data();
00096   }
00105   T pop() throw(std::exception, std::underflow_error)
00106   {
00107     typename ListStack<T>::Node* ptr = ListStack<T>::pop();
00108 
00109     T retVal = ptr->get_data();
00110     delete ptr;
00111 
00112     return retVal;
00113   }
00115   virtual ~DynListStack()
00116   {
00117     while (not this->is_empty())
00118       pop();
00119   }
00120 };
00121 
00122 } // end namespace Aleph
00123 # endif /* TPL_DYNLISTSTACK_H */
00124 

Leandro R. León