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EventUtilityNode.cxx

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00001 /* ========================================================================
00002  * Copyright (c) 2006,
00003  * Institute for Computer Graphics and Vision
00004  * Graz University of Technology
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions are
00009  * met:
00010  *
00011  * Redistributions of source code must retain the above copyright notice,
00012  * this list of conditions and the following disclaimer.
00013  *
00014  * Redistributions in binary form must reproduce the above copyright
00015  * notice, this list of conditions and the following disclaimer in the
00016  * documentation and/or other materials provided with the distribution.
00017  *
00018  * Neither the name of the Graz University of Technology nor the names of
00019  * its contributors may be used to endorse or promote products derived from
00020  * this software without specific prior written permission.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
00023  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
00024  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00025  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
00026  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00027  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00028  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00029  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00030  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00031  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00032  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033  * ========================================================================
00034  * PROJECT: OpenTracker
00035  * ======================================================================== */
00042 /* ======================================================================= */
00043 
00044 #include "EventUtilityNode.h"
00045 
00046 
00047 #ifndef OT_NO_EVENTUTITLY_SUPPORT
00048 
00049 
00050 namespace ot
00051 {
00052     // set old and new name for attribute renaming
00053     void EventUtilityNode::setRename(const std::string &oldName, const std::string &newName)
00054     {
00055         this->oldName = oldName;
00056         this->newName = newName;
00057     }
00058 
00059     // set name of attribute to be discarded
00060     void EventUtilityNode::setDiscard(const std::string &discard)
00061     {
00062         this->discard = discard;
00063     }
00064 
00065     // set type, name, and value of new attribute to be created
00066     void EventUtilityNode::setCreate(const std::string &type, const std::string &name, const std::string &value)
00067     {
00068         this->type = type;
00069         this->name = name;
00070         this->value = value;
00071     }
00072 
00073     // rename, discard, or create attributes and update observers
00074     void EventUtilityNode::onEventGenerated(Event &event, Node &generator)
00075     {
00076         
00077         
00078         bool success = false;
00079         
00080         if (oldName.length() > 0)
00081             success |= event.renAttribute(oldName, newName);
00082         if (discard.length() > 0)
00083             success |= event.delAttribute(discard);
00084         if (type.length() > 0){
00085             // this is necessary in order to updateObservers even when reusing an event
00086             // to which the attribute has already been added
00087             success |=event.hasAttribute(name);
00088             if (!success)
00089                 success |= event.addAttribute(type, name, value);
00090         
00091         }
00092         if (success)
00093             updateObservers(event);
00094 
00095 
00096     }
00097 
00098 } // namespace ot
00099 
00100 
00101 #else
00102 #pragma message(">>> OT_NO_EVENTUTITLY_SUPPORT")
00103 #endif //OT_NO_EVENTUTITLY_SUPPORT
00104 
00105 
00106 /* 
00107  * ------------------------------------------------------------
00108  *   End of EventUtilityNode.h
00109  * ------------------------------------------------------------
00110  *   Automatic Emacs configuration follows.
00111  *   Local Variables:
00112  *   mode:c++
00113  *   c-basic-offset: 4
00114  *   eval: (c-set-offset 'substatement-open 0)
00115  *   eval: (c-set-offset 'case-label '+)
00116  *   eval: (c-set-offset 'statement 'c-lineup-runin-statements)
00117  *   eval: (setq indent-tabs-mode nil)
00118  *   End:
00119  * ------------------------------------------------------------ 
00120  */

copyright (c) 2006 Graz University of Technology