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// expression_parser_geo.cpp
/**
* Copyright (C) 2013 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero 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, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/db/matcher/expression_parser.h"
#include "mongo/base/init.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/matcher/expression_geo.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
using std::unique_ptr;
StatusWithMatchExpression expressionParserGeoCallbackReal( const char* name,
int type,
const BSONObj& section ) {
if (BSONObj::opWITHIN == type || BSONObj::opGEO_INTERSECTS == type) {
unique_ptr<GeoExpression> gq(new GeoExpression(name));
Status parseStatus = gq->parseFrom(section);
if (!parseStatus.isOK()) return StatusWithMatchExpression(parseStatus);
unique_ptr<GeoMatchExpression> e( new GeoMatchExpression() );
// Until the index layer accepts non-BSON predicates, or special indices are moved into
// stages, we have to clean up the raw object so it can be passed down to the index
// layer.
BSONObjBuilder bob;
bob.append(name, section);
Status s = e->init( name, gq.release(), bob.obj() );
if ( !s.isOK() )
return StatusWithMatchExpression( s );
return StatusWithMatchExpression( e.release() );
}
else {
verify(BSONObj::opNEAR == type);
unique_ptr<GeoNearExpression> nq(new GeoNearExpression(name));
Status s = nq->parseFrom( section );
if ( !s.isOK() ) {
return StatusWithMatchExpression( s );
}
unique_ptr<GeoNearMatchExpression> e( new GeoNearMatchExpression() );
// Until the index layer accepts non-BSON predicates, or special indices are moved into
// stages, we have to clean up the raw object so it can be passed down to the index
// layer.
BSONObjBuilder bob;
bob.append(name, section);
s = e->init( name, nq.release(), bob.obj() );
if ( !s.isOK() )
return StatusWithMatchExpression( s );
return StatusWithMatchExpression( e.release() );
}
}
MONGO_INITIALIZER( MatchExpressionParserGeo )( ::mongo::InitializerContext* context ) {
expressionParserGeoCallback = expressionParserGeoCallbackReal;
return Status::OK();
}
}
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