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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;
}
void BSONObjBuilderValueStream::reset() {
_fieldName = StringData();
_subobj.reset();
}
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(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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