Equalizer  1.2.1
elementVisitor.h
00001 
00002 /* Copyright (c) 2008-2010, Stefan Eilemann <eile@equalizergraphics.com> 
00003  *                    2010, Cedric Stalder  <cedric.stalder@gmail.com>
00004  *     
00005  * This library is free software; you can redistribute it and/or modify it under
00006  * the terms of the GNU Lesser General Public License version 2.1 as published
00007  * by the Free Software Foundation.
00008  *  
00009  * This library is distributed in the hope that it will be useful, but WITHOUT
00010  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00011  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00012  * details.
00013  * 
00014  * You should have received a copy of the GNU Lesser General Public License
00015  * along with this library; if not, write to the Free Software Foundation, Inc.,
00016  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00017  */
00018 
00019 #ifndef EQFABRIC_ELEMENTVISITOR_H
00020 #define EQFABRIC_ELEMENTVISITOR_H
00021 
00022 #include <eq/fabric/leafVisitor.h> // base class
00023 
00024 namespace eq 
00025 {
00026 namespace fabric
00027 {
00029     template< class T, class C > class ElementVisitor : public C
00030     {
00031     public:
00033         ElementVisitor(){}
00034         
00036         virtual ~ElementVisitor(){}  
00037 
00039         virtual VisitorResult visitPre( T* element )
00040             { return visitPre( static_cast< const T* >( element )); }
00041 
00043         virtual VisitorResult visitPost( T* element )
00044             { return visitPost( static_cast< const T* >( element )); }
00045 
00047         virtual VisitorResult visitPre( const T* )
00048             { return TRAVERSE_CONTINUE; }
00049 
00051         virtual VisitorResult visitPost( const T* )
00052             { return TRAVERSE_CONTINUE; }
00053     };
00054 }
00055 }
00056 #endif // EQFABRIC_ELEMENTVISITOR_H
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