Visitor.cc

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/*
 * Visitor.cc
 *
 * Smalltalk like class library for C++
 * Abstract object visitor.
 *
 * Copyright (c) 2004 Milan Cermak
 */
/*
 * 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; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include <stlib/Visitor.h>

#include <stlib/Association.h>
#include <stlib/Boolean.h>
#include <stlib/Character.h>
#include <stlib/Collection.h>
#include <stlib/Dictionary.h>
#include <stlib/GenericException.h>
#include <stlib/Iterator.h>
#include <stlib/Number.h>
#include <stlib/String.h>

using namespace Core;

/* Class-accessing protocol */
String *Visitor::className(void) const
{
    return new String("Visitor");
}

/* Visiting protocol */
void Visitor::visitAssociation(Association *element)
{
    element->key()->visitBy(this);
    element->value()->visitBy(this);
}

void Visitor::visitBoolean(Boolean *element)
{
    /* nothing */
}

void Visitor::visitCharacter(Character *element)
{
    /* nothing */
}

void Visitor::visitCollection(Collection *element)
{
    for (Iterator *i = element->iterator(); !i->finished(); i->next())
        i->value()->visitBy(this);
}

void Visitor::visitDictionary(Dictionary *element)
{
    visitCollection(element);
}

void Visitor::visitException(GenericException *element)
{
    /* nothing */
}

void Visitor::visitNumber(Number *element)
{
    /* nothing */
}

void Visitor::visitObject(Object *element)
{
    /* nothing */
}

void Visitor::visitString(String *element)
{
    /* nothing */
}

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