Files
lms/src/libs/subsonic/impl/ProtocolVersion.cpp
T

57 lines
1.4 KiB
C++

/*
* copyright (c) 2021 emeric poupon
*
* This file is part of LMS.
*
* LMS is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* LMS 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LMS. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ProtocolVersion.hpp"
namespace StringUtils
{
template<>
std::optional<API::Subsonic::ProtocolVersion>
readAs(std::string_view str)
{
// Expects "X.Y.Z"
const auto numbers {StringUtils::splitString(str, ".")};
if (numbers.size() < 2 || numbers.size() > 3)
return std::nullopt;
API::Subsonic::ProtocolVersion version;
auto number {StringUtils::readAs<unsigned>(numbers[0])};
if (!number)
return std::nullopt;
version.major = *number;
number = {StringUtils::readAs<unsigned>(numbers[1])};
if (!number)
return std::nullopt;
version.minor = *number;
if (numbers.size() == 3)
{
number = {StringUtils::readAs<unsigned>(numbers[2])};
if (!number)
return std::nullopt;
version.patch = *number;
}
return version;
}
}