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path: root/src/mongo/db/matcher/expression_where_base.cpp
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/**
 *    Copyright (C) 2018-present MongoDB, Inc.
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the Server Side Public License, version 1,
 *    as published by MongoDB, Inc.
 *
 *    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
 *    Server Side Public License for more details.
 *
 *    You should have received a copy of the Server Side Public License
 *    along with this program. If not, see
 *    <http://www.mongodb.com/licensing/server-side-public-license>.
 *
 *    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 Server Side 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/expression_where_base.h"

#include "mongo/bson/simple_bsonobj_comparator.h"

namespace mongo {

WhereMatchExpressionBase::WhereMatchExpressionBase(WhereParams params)
    : MatchExpression(WHERE), _code(std::move(params.code)), _scope(std::move(params.scope)) {}

void WhereMatchExpressionBase::debugString(StringBuilder& debug, int level) const {
    _debugAddSpace(debug, level);
    debug << "$where\n";

    _debugAddSpace(debug, level + 1);
    debug << "code: " << getCode() << "\n";

    _debugAddSpace(debug, level + 1);
    debug << "scope: " << getScope() << "\n";
}

void WhereMatchExpressionBase::serialize(BSONObjBuilder* out) const {
    out->appendCodeWScope("$where", getCode(), getScope());
}

bool WhereMatchExpressionBase::equivalent(const MatchExpression* other) const {
    if (matchType() != other->matchType()) {
        return false;
    }
    const WhereMatchExpressionBase* realOther = static_cast<const WhereMatchExpressionBase*>(other);
    return getCode() == realOther->getCode() &&
        SimpleBSONObjComparator::kInstance.evaluate(getScope() == realOther->getScope());
}

}  // namespace mongo