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/* Copyright 2012 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <string>
#include "mongo/base/string_data.h"
namespace mongo {
/**
* Representation of a name of a principal (authenticatable user) in a MongoDB system.
*
* Consists of a "user name" part, and a "database name" part.
*/
class UserName {
public:
UserName() : _splitPoint(0) {}
UserName(const StringData& user, const StringData& dbname);
/**
* Gets the user part of a UserName.
*/
StringData getUser() const { return StringData(_fullName).substr(0, _splitPoint); }
/**
* Gets the database name part of a UserName.
*/
StringData getDB() const { return StringData(_fullName).substr(_splitPoint + 1); }
/**
* Gets the full unique name of a user as a string, formatted as "user@db".
*/
const std::string& getFullName() const { return _fullName; }
/**
* Stringifies the object, for logging/debugging.
*/
std::string toString() const { return getFullName(); }
private:
std::string _fullName; // The full name, stored as a string. "user@db".
size_t _splitPoint; // The index of the "@" separating the user and db name parts.
};
static inline bool operator==(const UserName& lhs, const UserName& rhs) {
return lhs.getFullName() == rhs.getFullName();
}
static inline bool operator!=(const UserName& lhs, const UserName& rhs) {
return lhs.getFullName() != rhs.getFullName();
}
static inline bool operator<(const UserName& lhs, const UserName& rhs) {
return lhs.getFullName() < rhs.getFullName();
}
} // namespace mongo
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