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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.
*/
#pragma once
#include "mongo/db/matcher/extensions_callback.h"
namespace mongo {
class NamespaceString;
class OperationContext;
/**
* ExtensionsCallbackReal uses the provided OperationContext and namespace to capture context
* necessary for parsing $text and $where clauses.
*/
class ExtensionsCallbackReal : public ExtensionsCallback {
public:
/**
* Does not take ownership of 'nss' or 'opCtx'.
*
* 'nss' must outlive this object. 'opCtx' must outlive this object also; in addition, 'opCtx'
* must
* outlive any MatchExpression objects generated by these callbacks (as the generated objects
* are allowed to keep a reference to 'opCtx').
*/
ExtensionsCallbackReal(OperationContext* opCtx, const NamespaceString* nss);
std::unique_ptr<MatchExpression> createText(
TextMatchExpressionBase::TextParams text) const final;
std::unique_ptr<MatchExpression> createWhere(
const boost::intrusive_ptr<ExpressionContext>& expCtx,
WhereMatchExpressionBase::WhereParams where) const final;
private:
OperationContext* const _opCtx;
const NamespaceString* const _nss;
};
} // namespace mongo
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