Line data    Source code

       1             : 
       2             : /* Copyright (c) 2008-2012, Stefan Eilemann <eile@equalizergraphics.com> 
       3             :  *                    2010, Cedric Stalder  <cedric.stalder@gmail.com>
       4             :  *     
       5             :  * This library is free software; you can redistribute it and/or modify it under
       6             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       7             :  * by the Free Software Foundation.
       8             :  *  
       9             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      10             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      11             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      12             :  * details.
      13             :  * 
      14             :  * You should have received a copy of the GNU Lesser General Public License
      15             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      16             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      17             :  */
      18             : 
      19             : #ifndef EQFABRIC_ELEMENTVISITOR_H
      20             : #define EQFABRIC_ELEMENTVISITOR_H
      21             : 
      22             : // visit methods hide visit methods of base visitor 'C'
      23             : #  pragma clang diagnostic push
      24             : #  pragma clang diagnostic ignored "-Woverloaded-virtual"
      25             : 
      26             : namespace eq 
      27             : {
      28             : namespace fabric
      29             : {
      30             :     /** A visitor to traverse non-leaf elements and their children in a tree. */
      31             :     template< class T, class C > class ElementVisitor : public C
      32             :     {
      33             :     public:
      34             :         /** Construct a new visitor. */
      35       33852 :         ElementVisitor(){}
      36             :         
      37             :         /** Destruct the visitor. */
      38       33852 :         virtual ~ElementVisitor(){}  
      39             : 
      40             :         /** Visit an element on the down traversal. */
      41       61734 :         virtual VisitorResult visitPre( T* element )
      42       61734 :             { return visitPre( static_cast< const T* >( element )); }
      43             : 
      44             :         /** Visit an element on the up traversal. */
      45       55402 :         virtual VisitorResult visitPost( T* element )
      46       55402 :             { return visitPost( static_cast< const T* >( element )); }
      47             : 
      48             :         /** Visit an element on a const down traversal. */
      49       60453 :         virtual VisitorResult visitPre( const T* )
      50       60453 :             { return TRAVERSE_CONTINUE; }
      51             : 
      52             :         /** Visit an element on a const up traversal. */
      53       55409 :         virtual VisitorResult visitPost( const T* )
      54       55409 :             { return TRAVERSE_CONTINUE; }
      55             :     };
      56             : }
      57             : }
      58             : 
      59             : #  pragma clang diagnostic pop
      60             : #endif // EQFABRIC_ELEMENTVISITOR_H