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/**
* Copyright (C) 2014 MongoDB 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/jsobj.h"
namespace mongo {
int getGtLtOp(const BSONElement& e) {
if ( e.type() != Object )
return BSONObj::Equality;
BSONElement fe = e.embeddedObject().firstElement();
return fe.getGtLtOp();
}
bool fieldsMatch(const BSONObj& lhs, const BSONObj& rhs) {
BSONObjIterator l(lhs);
BSONObjIterator r(rhs);
while (l.more() && r.more()){
if (strcmp(l.next().fieldName(), r.next().fieldName())) {
return false;
}
}
return !(l.more() || r.more()); // false if lhs and rhs have diff nFields()
}
Labeler::Label GT( "$gt" );
Labeler::Label GTE( "$gte" );
Labeler::Label LT( "$lt" );
Labeler::Label LTE( "$lte" );
Labeler::Label NE( "$ne" );
Labeler::Label NIN( "$nin" );
Labeler::Label BSIZE( "$size" );
GENOIDLabeler GENOID;
DateNowLabeler DATENOW;
NullLabeler BSONNULL;
UndefinedLabeler BSONUndefined;
MinKeyLabeler MINKEY;
MaxKeyLabeler MAXKEY;
BSONObjBuilderValueStream::BSONObjBuilderValueStream( BSONObjBuilder * builder ) {
_builder = builder;
}
BSONObjBuilder& BSONObjBuilderValueStream::operator<<( const BSONElement& e ) {
_builder->appendAs( e , _fieldName );
_fieldName = StringData();
return *_builder;
}
BufBuilder& BSONObjBuilderValueStream::subobjStart() {
StringData tmp = _fieldName;
_fieldName = StringData();
return _builder->subobjStart(tmp);
}
BufBuilder& BSONObjBuilderValueStream::subarrayStart() {
StringData tmp = _fieldName;
_fieldName = StringData();
return _builder->subarrayStart(tmp);
}
Labeler BSONObjBuilderValueStream::operator<<( const Labeler::Label &l ) {
return Labeler( l, this );
}
void BSONObjBuilderValueStream::endField( const StringData& nextFieldName ) {
if ( haveSubobj() ) {
verify( _fieldName.rawData() );
_builder->append( _fieldName, subobj()->done() );
_subobj.reset();
}
_fieldName = nextFieldName;
}
BSONObjBuilder *BSONObjBuilderValueStream::subobj() {
if ( !haveSubobj() )
_subobj.reset( new BSONObjBuilder() );
return _subobj.get();
}
BSONObjBuilder& Labeler::operator<<( const BSONElement& e ) {
s_->subobj()->appendAs( e, l_.l_ );
return *s_->_builder;
}
} // namespace mongo
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