elementVisitor.h

/* Copyright (c) 2008-2012, Stefan Eilemann <eile@equalizergraphics.com>
 *                    2010, Cedric Stalder  <cedric.stalder@gmail.com>
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *
 * 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.
 */

#ifndef EQFABRIC_ELEMENTVISITOR_H
#define EQFABRIC_ELEMENTVISITOR_H

// visit methods hide visit methods of base visitor 'C'
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Woverloaded-virtual"

namespace eq
{
namespace fabric
{
template <class T, class C>
class ElementVisitor : public C
{
public:
    ElementVisitor() {}
    virtual ~ElementVisitor() {}
    virtual VisitorResult visitPre(T* element)
    {
        return visitPre(static_cast<const T*>(element));
    }

    virtual VisitorResult visitPost(T* element)
    {
        return visitPost(static_cast<const T*>(element));
    }

    virtual VisitorResult visitPre(const T*) { return TRAVERSE_CONTINUE; }
    virtual VisitorResult visitPost(const T*) { return TRAVERSE_CONTINUE; }
};
}
}

#pragma clang diagnostic pop
#endif // EQFABRIC_ELEMENTVISITOR_H