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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_eq.h"
#include "mongo/bson/bsonmisc.h"
#include "mongo/bson/bsonobj.h"
#include "mongo/bson/bsonobjbuilder.h"
namespace mongo {
constexpr StringData InternalSchemaEqMatchExpression::kName;
InternalSchemaEqMatchExpression::InternalSchemaEqMatchExpression(StringData path, BSONElement rhs)
: LeafMatchExpression(MatchType::INTERNAL_SCHEMA_EQ,
path,
ElementPath::LeafArrayBehavior::kNoTraversal,
ElementPath::NonLeafArrayBehavior::kTraverse),
_rhsElem(rhs) {
invariant(_rhsElem);
}
bool InternalSchemaEqMatchExpression::matchesSingleElement(const BSONElement& elem,
MatchDetails* details) const {
return _eltCmp.evaluate(_rhsElem == elem);
}
void InternalSchemaEqMatchExpression::debugString(StringBuilder& debug, int level) const {
_debugAddSpace(debug, level);
debug << path() << " " << kName << " " << _rhsElem.toString(false);
auto td = getTag();
if (td) {
debug << " ";
td->debugString(&debug);
}
debug << "\n";
}
void InternalSchemaEqMatchExpression::serialize(BSONObjBuilder* out) const {
BSONObjBuilder eqObj(out->subobjStart(path()));
eqObj.appendAs(_rhsElem, kName);
eqObj.doneFast();
}
bool InternalSchemaEqMatchExpression::equivalent(const MatchExpression* other) const {
if (other->matchType() != matchType()) {
return false;
}
auto realOther = static_cast<const InternalSchemaEqMatchExpression*>(other);
return path() == realOther->path() && _eltCmp.evaluate(_rhsElem == realOther->_rhsElem);
}
std::unique_ptr<MatchExpression> InternalSchemaEqMatchExpression::shallowClone() const {
auto clone = stdx::make_unique<InternalSchemaEqMatchExpression>(path(), _rhsElem);
if (getTag()) {
clone->setTag(getTag()->clone());
}
return std::move(clone);
}
} // namespace mongo
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