mirror of
https://github.com/openharmony/utils_native.git
synced 2026-07-22 01:55:21 -04:00
mamingshuai
105 lines
2.7 KiB
C++
Executable File
105 lines
2.7 KiB
C++
Executable File
/*
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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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#ifndef DATETIME_EX_H
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#define DATETIME_EX_H
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#include <ctime>
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#include <cstdint>
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namespace OHOS {
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constexpr int64_t SEC_TO_NANOSEC = 1000000000;
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constexpr int64_t SEC_TO_MICROSEC = 1000000;
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constexpr int64_t SEC_TO_MILLISEC = 1000;
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constexpr int64_t MILLISEC_TO_NANOSEC = 1000000;
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constexpr int64_t MICROSEC_TO_NANOSEC = 1000;
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constexpr int SECONDS_PER_HOUR = 3600; // 60 * 60
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constexpr int SECONDS_PER_DAY = 86400; // 60 * 60 * 24
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static constexpr inline int64_t SecToNanosec(int64_t sec)
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{
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return sec * SEC_TO_NANOSEC;
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}
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static constexpr inline int64_t MillisecToNanosec(int64_t millise)
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{
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return millise * MILLISEC_TO_NANOSEC;
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}
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static constexpr inline int64_t MicrosecToNanosec(int64_t microsec)
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{
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return microsec * MICROSEC_TO_NANOSEC;
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}
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static constexpr inline int64_t NanosecToSec(int64_t nanosec)
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{
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return nanosec / SEC_TO_NANOSEC;
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}
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static constexpr inline int64_t NanosecToMillisec(int64_t nanosec)
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{
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return nanosec / MILLISEC_TO_NANOSEC;
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}
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static constexpr inline int64_t NanosecToMicrosec(int64_t nanosec)
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{
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return nanosec / MICROSEC_TO_NANOSEC;
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}
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/**
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* The GetSecondsSince1970ToNow function get seconds from 1970 to now
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*/
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int64_t GetSecondsSince1970ToNow();
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/**
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* The GetSecondsSince1970ToPointTime function get seconds from 1970 to inputtime
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*/
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int64_t GetSecondsSince1970ToPointTime(struct tm inputTm);
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/**
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* The GetSecondsBetween function get seconds between inputTm1 and inputTm2.
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*/
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int64_t GetSecondsBetween(struct tm inputTm1, struct tm inputTm2);
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/**
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* The GetDaysSince1970ToNow function get days from 1970 to now.
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*/
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int64_t GetDaysSince1970ToNow();
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/**
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* The GetLocalTimeZone function get current timezone,
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* return true if get success, else false.
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*/
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bool GetLocalTimeZone(int& timezone);
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/**
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* The GetSystemCurrentTime function get current time,
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* return true if get success, else false.
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*/
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bool GetSystemCurrentTime(struct tm* curTime);
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/**
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* The GetTickCount function get current milliseconds since the system was started.
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*/
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int64_t GetTickCount();
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/**
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* The GetMicroTickCount function get current microseconds since the system was started.
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*/
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int64_t GetMicroTickCount();
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}
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#endif |