osrm-backend/DataStructures/SearchEngine.cpp
2013-06-24 14:52:53 -04:00

90 lines
2.6 KiB
C++

/*
open source routing machine
Copyright (C) Dennis Luxen, others 2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see http://www.gnu.org/licenses/agpl.txt.
*/
#include "SearchEngine.h"
SearchEngine::SearchEngine(
QueryGraph * g,
NodeInformationHelpDesk * nh,
std::vector<std::string> & n
) :
_queryData(g, nh, n),
shortestPath(_queryData),
alternativePaths(_queryData)
{}
SearchEngine::~SearchEngine() {}
void SearchEngine::GetCoordinatesForNodeID(
NodeID id,
_Coordinate& result
) const {
result.lat = _queryData.nodeHelpDesk->getLatitudeOfNode(id);
result.lon = _queryData.nodeHelpDesk->getLongitudeOfNode(id);
}
void SearchEngine::FindPhantomNodeForCoordinate(
const _Coordinate & location,
PhantomNode & result,
const unsigned zoomLevel
) const {
_queryData.nodeHelpDesk->FindPhantomNodeForCoordinate(
location,
result, zoomLevel
);
}
NodeID SearchEngine::GetNameIDForOriginDestinationNodeID(
const NodeID s,
const NodeID t
) const {
if(s == t){
return 0;
}
EdgeID e = _queryData.graph->FindEdge(s, t);
if(e == UINT_MAX) {
e = _queryData.graph->FindEdge( t, s );
}
if(UINT_MAX == e) {
return 0;
}
assert(e != UINT_MAX);
const QueryEdge::EdgeData ed = _queryData.graph->GetEdgeData(e);
return ed.id;
}
std::string SearchEngine::GetEscapedNameForNameID(const unsigned nameID) const {
bool is_name_invalid = (nameID >= _queryData.names.size() || nameID == 0);
if (is_name_invalid) {
return std::string("");
}
return HTMLEntitize(_queryData.names.at(nameID));
}
SearchEngineHeapPtr SearchEngineData::forwardHeap;
SearchEngineHeapPtr SearchEngineData::backwardHeap;
SearchEngineHeapPtr SearchEngineData::forwardHeap2;
SearchEngineHeapPtr SearchEngineData::backwardHeap2;
SearchEngineHeapPtr SearchEngineData::forwardHeap3;
SearchEngineHeapPtr SearchEngineData::backwardHeap3;