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/*
* Copyright (c) 2012 Mateusz Piękos
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
#include <Swiften/Whiteboard/WhiteboardTransformer.h>
#include <boost/smart_ptr/make_shared.hpp>
namespace Swift {
std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardOperation::ref clientOp, WhiteboardOperation::ref serverOp) {
WhiteboardInsertOperation::ref clientInsert = boost::dynamic_pointer_cast<WhiteboardInsertOperation>(clientOp);
WhiteboardInsertOperation::ref serverInsert = boost::dynamic_pointer_cast<WhiteboardInsertOperation>(serverOp);
WhiteboardUpdateOperation::ref clientUpdate = boost::dynamic_pointer_cast<WhiteboardUpdateOperation>(clientOp);
WhiteboardUpdateOperation::ref serverUpdate = boost::dynamic_pointer_cast<WhiteboardUpdateOperation>(serverOp);
if (clientInsert && serverInsert) {
return transform(clientInsert, serverInsert);
} else if (clientUpdate && serverUpdate) {
return transform(clientUpdate, serverUpdate);
} else if (clientInsert && serverUpdate) {
return transform(clientInsert, serverUpdate);
} else if (clientUpdate && serverInsert) {
return transform(clientUpdate, serverInsert);
} else {
return std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref>();
}
}
std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardInsertOperation::ref clientOp, WhiteboardInsertOperation::ref serverOp) {
std::pair<WhiteboardInsertOperation::ref, WhiteboardInsertOperation::ref> result;
result.first = boost::make_shared<WhiteboardInsertOperation>(*serverOp.get());
result.first->setParentID(clientOp->getID());
result.first->setPos(result.first->getPos()+1);
result.second = boost::make_shared<WhiteboardInsertOperation>(*clientOp.get());
result.second->setParentID(serverOp->getID());
return result;
}
std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardUpdateOperation::ref clientOp, WhiteboardUpdateOperation::ref serverOp) {
std::pair<WhiteboardUpdateOperation::ref, WhiteboardUpdateOperation::ref> result;
result.first = boost::make_shared<WhiteboardUpdateOperation>(*serverOp.get());
result.first->setParentID(clientOp->getID());
if (clientOp->getPos() == serverOp->getPos()) {
result.second = boost::make_shared<WhiteboardUpdateOperation>(*serverOp.get());
result.second->setID(clientOp->getID());
result.second->setParentID(serverOp->getID());
} else {
result.second = boost::make_shared<WhiteboardUpdateOperation>(*clientOp.get());
result.second->setParentID(serverOp->getID());
}
return result;
}
std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardUpdateOperation::ref clientOp, WhiteboardInsertOperation::ref serverOp) {
std::pair<WhiteboardInsertOperation::ref, WhiteboardUpdateOperation::ref> result;
result.first = boost::make_shared<WhiteboardInsertOperation>(*serverOp.get());
result.first->setParentID(clientOp->getID());
result.second = boost::make_shared<WhiteboardUpdateOperation>(*clientOp.get());
result.second->setParentID(serverOp->getID());
if (serverOp->getPos() <= clientOp->getPos()) {
result.second->setPos(result.second->getPos()+1);
}
return result;
}
std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardInsertOperation::ref clientOp, WhiteboardUpdateOperation::ref serverOp) {
std::pair<WhiteboardUpdateOperation::ref, WhiteboardInsertOperation::ref> result;
result.first = boost::make_shared<WhiteboardUpdateOperation>(*serverOp.get());
result.first->setParentID(clientOp->getID());
result.second = boost::make_shared<WhiteboardInsertOperation>(*clientOp.get());
result.second->setParentID(serverOp->getID());
if (serverOp->getPos() >= clientOp->getPos()) {
result.first->setPos(result.first->getPos()+1);
}
return result;
}
}
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Swift