Line data    Source code

       1             : 
       2             : /* Copyright (c) 2007-2013, 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 EQSERVER_COMPOUNDVISITOR_H
      19             : #define EQSERVER_COMPOUNDVISITOR_H
      20             : 
      21             : #include "visitorResult.h"  // enum
      22             : #include "types.h"
      23             : 
      24             : namespace eq
      25             : {
      26             : namespace server
      27             : {
      28             : /** A visitor to traverse a non-const compound tree. */
      29             : class CompoundVisitor
      30             : {
      31             : public:
      32             :     /** Constructs a new CompoundVisitor. */
      33        6931 :     CompoundVisitor(){}
      34             : 
      35             :     /** Destruct the CompoundVisitor */
      36        6931 :     virtual ~CompoundVisitor(){}
      37             : 
      38             :     /** Visit a non-leaf compound on the down traversal. */
      39        9933 :     virtual VisitorResult visitPre( Compound* compound )
      40        9933 :         { return visit( compound ); }
      41             :     /** Visit a leaf compound. */
      42        4011 :     virtual VisitorResult visitLeaf( Compound* compound )
      43        4011 :         { return visit( compound ); }
      44             :     /** Visit a non-leaf compound on the up traversal. */
      45        6719 :     virtual VisitorResult visitPost( Compound* compound )
      46        6719 :         { return visitPost( static_cast< const Compound* >( compound )); }
      47             : 
      48             :     /** Visit every compound on the down traversal. */
      49        2705 :     virtual VisitorResult visit( Compound* compound )
      50        2705 :         { return visit( static_cast< const Compound* >( compound )); }
      51             : 
      52             : 
      53             :     /** Visit a non-leaf compound on the down traversal. */
      54           0 :     virtual VisitorResult visitPre( const Compound* compound )
      55           0 :         { return visit( compound ); }
      56             :     /** Visit a leaf compound. */
      57           0 :     virtual VisitorResult visitLeaf( const Compound* compound )
      58           0 :         { return visit( compound ); }
      59             :     /** Visit a non-leaf compound on the up traversal. */
      60        6719 :     virtual VisitorResult visitPost( const Compound* )
      61        6719 :         { return TRAVERSE_CONTINUE; }
      62             : 
      63             :     /** Visit every compound on the down traversal. */
      64        2705 :     virtual VisitorResult visit( const Compound* )
      65        2705 :         { return TRAVERSE_CONTINUE; }
      66             : };
      67             : }
      68             : }
      69             : #endif // EQSERVER_COMPOUNDVISITOR_H