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/**
* Copyright (C) 2017 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/platform/basic.h"
#include "mongo/db/matcher/schema/expression_internal_schema_object_match.h"
namespace mongo {
constexpr StringData InternalSchemaObjectMatchExpression::kName;
InternalSchemaObjectMatchExpression::InternalSchemaObjectMatchExpression(
StringData path, std::unique_ptr<MatchExpression> expr)
: PathMatchExpression(INTERNAL_SCHEMA_OBJECT_MATCH,
path,
ElementPath::LeafArrayBehavior::kNoTraversal,
ElementPath::NonLeafArrayBehavior::kTraverse),
_sub(std::move(expr)) {}
bool InternalSchemaObjectMatchExpression::matchesSingleElement(const BSONElement& elem,
MatchDetails* details) const {
if (elem.type() != BSONType::Object) {
return false;
}
return _sub->matchesBSON(elem.Obj());
}
void InternalSchemaObjectMatchExpression::debugString(StringBuilder& debug, int level) const {
_debugAddSpace(debug, level);
debug << kName << "\n";
_sub->debugString(debug, level + 1);
}
void InternalSchemaObjectMatchExpression::serialize(BSONObjBuilder* out) const {
BSONObjBuilder objMatchBob(out->subobjStart(path()));
BSONObjBuilder subBob(objMatchBob.subobjStart(kName));
_sub->serialize(&subBob);
subBob.doneFast();
objMatchBob.doneFast();
}
bool InternalSchemaObjectMatchExpression::equivalent(const MatchExpression* other) const {
if (matchType() != other->matchType()) {
return false;
}
return _sub->equivalent(other->getChild(0));
}
std::unique_ptr<MatchExpression> InternalSchemaObjectMatchExpression::shallowClone() const {
auto clone =
stdx::make_unique<InternalSchemaObjectMatchExpression>(path(), _sub->shallowClone());
if (getTag()) {
clone->setTag(getTag()->clone());
}
return std::move(clone);
}
MatchExpression::ExpressionOptimizerFunc InternalSchemaObjectMatchExpression::getOptimizer() const {
return [](std::unique_ptr<MatchExpression> expression) {
auto& objectMatchExpression =
static_cast<InternalSchemaObjectMatchExpression&>(*expression);
objectMatchExpression._sub =
MatchExpression::optimize(std::move(objectMatchExpression._sub));
return expression;
};
}
} // namespace mongo
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