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/**
* Copyright (C) 2022-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 <vector>
#include "mongo/db/exec/sbe/makeobj_enums.h"
#include "mongo/db/exec/sbe/values/bson.h"
#include "mongo/db/exec/sbe/values/value.h"
#include "mongo/util/indexed_string_vector.h"
namespace mongo::sbe {
/**
* MakeObjSpec is a wrapper around a FieldBehavior value and a list of field names / project names.
*/
struct MakeObjSpec {
using FieldBehavior = MakeObjFieldBehavior;
static IndexedStringVector buildIndexedFieldVector(std::vector<std::string> fields,
std::vector<std::string> projects);
MakeObjSpec(FieldBehavior fieldBehavior,
std::vector<std::string> fields,
std::vector<std::string> projects)
: fieldBehavior(fieldBehavior),
numKeepOrDrops(fields.size()),
fieldNames(buildIndexedFieldVector(std::move(fields), std::move(projects))) {}
std::string toString() const {
StringBuilder builder;
builder << (fieldBehavior == MakeObjSpec::FieldBehavior::keep ? "keep" : "drop") << ", [";
for (size_t i = 0; i < fieldNames.size(); ++i) {
if (i == numKeepOrDrops) {
builder << "], [";
} else if (i != 0) {
builder << ", ";
}
builder << '"' << fieldNames[i] << '"';
}
if (fieldNames.size() == numKeepOrDrops) {
builder << "], [";
}
builder << "]";
return builder.str();
}
size_t getApproximateSize() const;
FieldBehavior fieldBehavior;
size_t numKeepOrDrops = 0;
IndexedStringVector fieldNames;
};
} // namespace mongo::sbe
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