EventUtilityNode.cxx
Go to the documentation of this file.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 */