ex_nlist.cpp

// LICENSE: (Please see the file COPYING for details)
//
// NUS - Nemesis Utilities System: A C++ application development framework 
// Copyright (C) 2006, 2007 Otavio Rodolfo Piske
//
//  This file is part of NUS
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation version 2.1
//  of the License.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
#include "nlist.h"
#include "noutput.h"

// shows the content of the list using const iterators
void show_iterator_const(NList<nuint64> &list) {
      NList<nuint64>::iterator i = list.begin();
      
      NMessage::print() << "Showing " << list.size() << " items (const_iterator)";
      
      i = list.begin();
      while (i != list.end()) { 
            NMessage::print() << *i << ":";
            i++;
      }
}


// shows the content of the list using iterators
void show_iterator(NList<nuint64> &list) {
      NMessage::print() << "Showing " << list.size() << " items (iterator)";
      
      for (NList<nuint64>::iterator i = list.begin(); i != list.end(); i++) {
            NMessage::print() << *i << ":";
      }
      
}


// Shows the list using acessor methods
void show(NList<nuint64> &list) {
      NMessage::print() << "Showing " << list.size() << " items";
      
      for (nuint64 i = 0; i < list.size(); i++) {
            NMessage::print() << list.at(i) << ":";
      }
}

int main(void) {
      NList<nuint64> list;

      // Tries to show the list
      show(list);

      // Feed the list with some data:
      NMessage::print() << "Feeding with data";
      for (nuint64 i = 0; i < 10; i++) {
            list.append(i);
      }

      // Shows it again
      show(list);

      // Remove some data of the list:
      NMessage::print() << "Removing data";
      for (nuint64 i = (list.size() - 1); i > 0; i--) {
            if ((i % 2) == 0) {
                  list.removeAt(i);
            }
      }
      show(list);
      
      // Take the first item
      NMessage::print() << "I'll take the first one for me: " << list.takeFirst();
      show_iterator(list);
      
      // Gets a reference to the last one
      NMessage::print() << "I'll show the last one: " << list.last();
      show_iterator_const(list);    
      
      // Unecessary. Memory will be free'd on destructor.   
      list.clear();
      
}

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