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/*
* Copyright 2009,2010,2011 Reality Jockey, Ltd.
* info@rjdj.me
* http://rjdj.me/
*
* This file is part of ZenGarden.
*
* ZenGarden is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ZenGarden is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with ZenGarden. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "MessageSelect.h"
#include "PdGraph.h"
MessageObject *MessageSelect::newObject(PdMessage *initMessage, PdGraph *graph) {
return new MessageSelect(initMessage, graph);
}
MessageSelect::MessageSelect(PdMessage *initMessage, PdGraph *graph) :
MessageObject((initMessage->getNumElements() < 2) ? 2 : 1,
(initMessage->getNumElements() < 2) ? 2 : initMessage->getNumElements()+1, graph) {
selectorMessage = initMessage->copyToHeap();
}
MessageSelect::~MessageSelect() {
selectorMessage->freeMessage();
}
void MessageSelect::processMessage(int inletIndex, PdMessage *message) {
switch (inletIndex) {
case 0: {
MessageAtom *messageElement = message->getElement(0);
int numSelectors = selectorMessage->getNumElements();
for (int i = 0; i < numSelectors; i++) {
if (selectorMessage->atomIsEqualTo(i, messageElement)) {
// send bang from matching outlet
PdMessage *outgoingMessage = PD_MESSAGE_ON_STACK(1);
outgoingMessage->initWithTimestampAndBang(message->getTimestamp());
sendMessage(i, outgoingMessage);
return;
}
}
// message does not match any selector. Send it out to of the last outlet.
sendMessage(numSelectors, message);
break;
}
case 1: {
// TODO(mhroth): be able to set the selector
graph->printErr("select currently does not support setting the selector via the right inlet.\n");
break;
}
default: {
break;
}
}
}