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sgmlist.cpp

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//**********************************************************************
//                                                                     *
//    Filename:      sgmlist.cpp                                       *
//    Date:          30 Mar 2002                                       *
//    File Version:  1                                                 *
//                                                                     *
//    Description:   List class to hold instances of Signalman class.  *
//                                                                     *
//    Author:        Chris White (whitecf@bcs.org.uk)                  *
//    Company:       Monitor Computing Services Ltd.                   *
//                                                                     *
//**********************************************************************
//                                                                     *
//    Copyright (C) 2002  Monitor Computing Services Ltd.              *
//                                                                     *
//    This program is free software; you can redistribute it and/or    *
//    modify it under the terms of the GNU General Public License      *
//    as published by the Free Software Foundation; either version 2   *
//    of the License, or any later version.                            *
//                                                                     *
//    This program 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 General Public License for more details.                     *
//                                                                     *
//    You should have received a copy of the GNU General Public        *
//    License (http://www.gnu.org/copyleft/gpl.html) along with this   *
//    program; if not, write to:                                       *
//       The Free Software Foundation Inc.,                            *
//       59 Temple Place - Suite 330,                                  *
//       Boston, MA  02111-1307,                                       *
//       USA.                                                          *
//                                                                     *
//**********************************************************************
//                                                                     *
//    Notes:                                                           *
//                                                                     *
//**********************************************************************

#include <classlib\listimp.h>

#include "mytrace.h"
#include "sgnlman.h"

#include "sgmlist.h"


using namespace Monitor::BellMaster;



SignalmanList::SignalmanList() :
    myList(0), listSize(0)
{
    _USEMYTRACE_("SignalmanList::SignalmanList")
}



SignalmanList::~SignalmanList()
{
    _USEMYTRACE_("SignalmanList::~SignalmanList")

    clear();
}



void
SignalmanList::addSignalman(const Signalman    &newSignalman)
{
    _USEMYTRACE_("SignalmanList::addSignalman")

    getList().Add(newSignalman);
    listSize++;
}



void
SignalmanList::removeSignalman(const Signalman    &oldSignalman)
{
    _USEMYTRACE_("SignalmanList::removeSignalman")

    getList().Detach(oldSignalman);
    listSize--;
}



void
SignalmanList::clear()
{
    _USEMYTRACE_("SignalmanList::clear")

    delete myList, myList = 0;
}



const unsigned&
SignalmanList::size() const
{
    return listSize;
}



Signalman&
SignalmanList::operator[](int    index) const
{
    TSListIteratorImp< Signalman >    signalmen(getList());

    while (0 < index)
    {
        index--;
        signalmen++;
    }

    return const_cast< Signalman& >(signalmen.Current());
}



TSListImp< Signalman >&
SignalmanList::getList() const
{
    if (0 == myList)
    {
        const_cast< SignalmanList* >(this)->myList =
            new TSListImp< Signalman >;

        const_cast< SignalmanList* >(this)->listSize = 0;
    }

    return *myList;
}

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