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