Line data    Source code

       1             : 
       2             : /* Copyright (c) 2010-2013, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *
       4             :  * This library is free software; you can redistribute it and/or modify it under
       5             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       6             :  * by the Free Software Foundation.
       7             :  *
       8             :  * This library is distributed in the hope that it will be useful, but WITHOUT
       9             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      10             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      11             :  * details.
      12             :  *
      13             :  * You should have received a copy of the GNU Lesser General Public License
      14             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      15             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      16             :  */
      17             : 
      18             : #ifndef EQFABRIC_LEAFVISITOR_H
      19             : #define EQFABRIC_LEAFVISITOR_H
      20             : 
      21             : #include <eq/fabric/types.h>
      22             : 
      23             : namespace eq
      24             : {
      25             : namespace fabric
      26             : {
      27             :     /** A visitor to traverse leaf nodes of a graph. */
      28             :     template< class T > class LeafVisitor
      29             :     {
      30             :     public:
      31             :         /** Constructs a new leaf visitor. @version 1.0 */
      32       26687 :         LeafVisitor(){}
      33             : 
      34             :         /** Destruct the leaf visitor. @version 1.0 */
      35       26687 :         virtual ~LeafVisitor(){}
      36             : 
      37             :         /** Visit a leaf node. @version 1.0 */
      38       57556 :         virtual VisitorResult visit( T* leaf )
      39       57556 :             { return visit( static_cast< const T* >( leaf )); }
      40             : 
      41             :         /** Visit a leaf node during a const traversal. @version 1.0 */
      42       48994 :         virtual VisitorResult visit( const T* )
      43       48994 :             { return TRAVERSE_CONTINUE; }
      44             :     };
      45             : }
      46             : }
      47             : #endif // EQFABRIC_LEAFVISITOR_H