lib/client/visitorResult.h

00001 
00002 /* Copyright (c) 2009, Stefan Eilemann <eile@equalizergraphics.com> 
00003  *
00004  * This library is free software; you can redistribute it and/or modify it under
00005  * the terms of the GNU Lesser General Public License version 2.1 as published
00006  * by the Free Software Foundation.
00007  *  
00008  * This library is distributed in the hope that it will be useful, but WITHOUT
00009  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00010  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00011  * details.
00012  * 
00013  * You should have received a copy of the GNU Lesser General Public License
00014  * along with this library; if not, write to the Free Software Foundation, Inc.,
00015  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00016  */
00017 
00018 #ifndef EQ_VISITORRESULT_H
00019 #define EQ_VISITORRESULT_H
00020 
00021 #include <iostream>
00022 
00023 namespace eq
00024 {
00026     enum VisitorResult
00027     {
00028         TRAVERSE_CONTINUE,   
00029         TRAVERSE_TERMINATE,  
00030         TRAVERSE_PRUNE       
00031     };
00032 
00033     inline std::ostream& operator << ( std::ostream& os, 
00034                                        const VisitorResult result )
00035     {
00036         switch( result )
00037         {
00038             case TRAVERSE_CONTINUE:
00039                 os << "continue";
00040                 break;
00041             case TRAVERSE_TERMINATE:
00042                 os << "terminate";
00043                 break;
00044             case TRAVERSE_PRUNE:
00045                 os << "prune";
00046                 break;
00047             default:
00048                 os << "ERROR";
00049                 break;
00050         }
00051         return os;
00052     }
00053 }
00054 #endif // EQ_VISITORRESULT_H