mirror of
https://codeberg.org/vyn/mirai.git
synced 2025-07-01 17:03:19 +00:00
37 lines
979 B
C++
37 lines
979 B
C++
/*
|
|
* Mirai. Copyright (C) 2024 Vyn
|
|
* This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
|
|
* The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
|
|
*/
|
|
|
|
#include "mirai-core/DateTime.h"
|
|
#include <charconv>
|
|
#include <optional>
|
|
#include <ranges>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
namespace mirai
|
|
{
|
|
|
|
std::optional<mirai::Date> stringToDate(const std::string &dateStr)
|
|
{
|
|
using std::operator""sv;
|
|
|
|
auto dateSplitView =
|
|
dateStr | std::views::split("-"sv) | std::views::transform([](auto v) -> int {
|
|
int i = 0;
|
|
std::from_chars(v.data(), v.data() + v.size(), i);
|
|
return i;
|
|
});
|
|
std::vector<int> dateSplit{dateSplitView.begin(), dateSplitView.end()};
|
|
if (dateSplit.size() != 3) {
|
|
return std::nullopt;
|
|
}
|
|
|
|
auto year = dateSplit[0];
|
|
auto month = dateSplit[1];
|
|
auto day = dateSplit[2];
|
|
return mirai::Date(year, static_cast<unsigned>(month), static_cast<unsigned>(day));
|
|
}
|
|
} // namespace mirai
|