mirror of
https://github.com/openharmony/ace_ace_engine.git
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zhangxiao72
57a3faf5f5
Change-Id: Idb2f22cc31619c5f4e5711c22739df3c3f06d008 Signed-off-by: zhangxiao72 <zhangxiao72@huawei.com>
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "base/utils/date_util.h"
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#include <chrono>
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#include <ctime>
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namespace OHOS::Ace {
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Date Date::Current()
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{
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Date date;
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auto now = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
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auto local = std::localtime(&now);
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if (local == nullptr) {
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return date;
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}
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date.year = static_cast<uint32_t>(local->tm_year) + 1900; // local date start from 1900
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date.month = static_cast<uint32_t>(local->tm_mon) + 1; // local month start from 0 to 11, need add one.
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date.day = static_cast<uint32_t>(local->tm_mday);
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date.week = static_cast<uint32_t>(local->tm_wday);
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return date;
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}
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bool Date::IsLeapYear(int32_t year)
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{
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return ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0);
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}
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int32_t Date::DayOfMonth(int32_t year, int32_t month)
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{
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int32_t day = 0;
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switch (month) {
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case 1:
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case 3:
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case 5:
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case 7:
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case 8:
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case 10:
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case 12:
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day = 31;
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break;
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case 4:
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case 6:
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case 9:
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case 11:
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day = 30;
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break;
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case 2:
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day = IsLeapYear(year) ? 29 : 28;
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break;
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default:
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day = 0;
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}
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return day;
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}
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int32_t Date::CalculateWeekDay(int32_t year, int32_t month, int32_t day)
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{
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if (month == 1 || month == 2) {
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month += 12;
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year--;
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}
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// Day of the week calculation formula
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return (day + 2 * month + 3 * (month + 1) / 5 + year + year / 4 - year / 100 + year / 400) % 7;
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}
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} // namespace OHOS::Ace
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