mirror of
https://gitee.com/johng/gf.git
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4bb88027d8
* improve logging feature, add LevelPrint configuration for glog.Logger; add package internal/instance * improve command build * add default logger for panic message printing if no logger set * up * fix scheduler when timer triggers in less than one second for package gcron * up * improve function SetTimeZone for package gtime * improve function SetTimeZone for package gtime * improve function SetTimeZone for package gtime * up
453 lines
13 KiB
Go
453 lines
13 KiB
Go
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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// Package gtime provides functionality for measuring and displaying time.
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//
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// This package should keep much less dependencies with other packages.
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package gtime
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import (
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"context"
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"time"
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"github.com/gogf/gf/v2/errors/gcode"
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"github.com/gogf/gf/v2/errors/gerror"
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"github.com/gogf/gf/v2/internal/intlog"
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"github.com/gogf/gf/v2/internal/utils"
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"github.com/gogf/gf/v2/text/gregex"
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)
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const (
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// Short writes for common usage durations.
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D = 24 * time.Hour
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H = time.Hour
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M = time.Minute
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S = time.Second
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MS = time.Millisecond
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US = time.Microsecond
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NS = time.Nanosecond
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// Regular expression1(datetime separator supports '-', '/', '.').
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// Eg:
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// "2017-12-14 04:51:34 +0805 LMT",
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// "2017-12-14 04:51:34 +0805 LMT",
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// "2006-01-02T15:04:05Z07:00",
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// "2014-01-17T01:19:15+08:00",
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// "2018-02-09T20:46:17.897Z",
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// "2018-02-09 20:46:17.897",
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// "2018-02-09T20:46:17Z",
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// "2018-02-09 20:46:17",
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// "2018/10/31 - 16:38:46"
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// "2018-02-09",
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// "2018.02.09",
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timeRegexPattern1 = `(\d{4}[-/\.]\d{1,2}[-/\.]\d{1,2})[:\sT-]*(\d{0,2}:{0,1}\d{0,2}:{0,1}\d{0,2}){0,1}\.{0,1}(\d{0,9})([\sZ]{0,1})([\+-]{0,1})([:\d]*)`
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// Regular expression2(datetime separator supports '-', '/', '.').
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// Eg:
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// 01-Nov-2018 11:50:28
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// 01/Nov/2018 11:50:28
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// 01.Nov.2018 11:50:28
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// 01.Nov.2018:11:50:28
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timeRegexPattern2 = `(\d{1,2}[-/\.][A-Za-z]{3,}[-/\.]\d{4})[:\sT-]*(\d{0,2}:{0,1}\d{0,2}:{0,1}\d{0,2}){0,1}\.{0,1}(\d{0,9})([\sZ]{0,1})([\+-]{0,1})([:\d]*)`
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// Regular expression3(time).
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// Eg:
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// 11:50:28
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// 11:50:28.897
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timeRegexPattern3 = `(\d{2}):(\d{2}):(\d{2})\.{0,1}(\d{0,9})`
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)
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var (
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// It's more high performance using regular expression
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// than time.ParseInLocation to parse the datetime string.
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timeRegex1, _ = regexp.Compile(timeRegexPattern1)
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timeRegex2, _ = regexp.Compile(timeRegexPattern2)
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timeRegex3, _ = regexp.Compile(timeRegexPattern3)
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// Month words to arabic numerals mapping.
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monthMap = map[string]int{
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"jan": 1,
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"feb": 2,
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"mar": 3,
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"apr": 4,
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"may": 5,
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"jun": 6,
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"jul": 7,
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"aug": 8,
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"sep": 9,
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"sept": 9,
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"oct": 10,
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"nov": 11,
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"dec": 12,
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"january": 1,
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"february": 2,
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"march": 3,
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"april": 4,
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"june": 6,
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"july": 7,
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"august": 8,
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"september": 9,
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"october": 10,
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"november": 11,
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"december": 12,
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}
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)
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// Timestamp retrieves and returns the timestamp in seconds.
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func Timestamp() int64 {
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return Now().Timestamp()
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}
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// TimestampMilli retrieves and returns the timestamp in milliseconds.
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func TimestampMilli() int64 {
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return Now().TimestampMilli()
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}
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// TimestampMicro retrieves and returns the timestamp in microseconds.
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func TimestampMicro() int64 {
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return Now().TimestampMicro()
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}
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// TimestampNano retrieves and returns the timestamp in nanoseconds.
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func TimestampNano() int64 {
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return Now().TimestampNano()
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}
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// TimestampStr is a convenience method which retrieves and returns
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// the timestamp in seconds as string.
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func TimestampStr() string {
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return Now().TimestampStr()
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}
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// TimestampMilliStr is a convenience method which retrieves and returns
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// the timestamp in milliseconds as string.
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func TimestampMilliStr() string {
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return Now().TimestampMilliStr()
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}
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// TimestampMicroStr is a convenience method which retrieves and returns
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// the timestamp in microseconds as string.
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func TimestampMicroStr() string {
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return Now().TimestampMicroStr()
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}
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// TimestampNanoStr is a convenience method which retrieves and returns
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// the timestamp in nanoseconds as string.
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func TimestampNanoStr() string {
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return Now().TimestampNanoStr()
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}
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// Date returns current date in string like "2006-01-02".
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func Date() string {
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return time.Now().Format("2006-01-02")
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}
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// Datetime returns current datetime in string like "2006-01-02 15:04:05".
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func Datetime() string {
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return time.Now().Format("2006-01-02 15:04:05")
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}
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// ISO8601 returns current datetime in ISO8601 format like "2006-01-02T15:04:05-07:00".
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func ISO8601() string {
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return time.Now().Format("2006-01-02T15:04:05-07:00")
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}
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// RFC822 returns current datetime in RFC822 format like "Mon, 02 Jan 06 15:04 MST".
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func RFC822() string {
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return time.Now().Format("Mon, 02 Jan 06 15:04 MST")
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}
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// parseDateStr parses the string to year, month and day numbers.
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func parseDateStr(s string) (year, month, day int) {
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array := strings.Split(s, "-")
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if len(array) < 3 {
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array = strings.Split(s, "/")
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}
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if len(array) < 3 {
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array = strings.Split(s, ".")
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}
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// Parsing failed.
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if len(array) < 3 {
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return
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}
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// Checking the year in head or tail.
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if utils.IsNumeric(array[1]) {
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year, _ = strconv.Atoi(array[0])
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month, _ = strconv.Atoi(array[1])
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day, _ = strconv.Atoi(array[2])
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} else {
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if v, ok := monthMap[strings.ToLower(array[1])]; ok {
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month = v
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} else {
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return
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}
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year, _ = strconv.Atoi(array[2])
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day, _ = strconv.Atoi(array[0])
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}
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return
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}
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// StrToTime converts string to *Time object. It also supports timestamp string.
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// The parameter `format` is unnecessary, which specifies the format for converting like "Y-m-d H:i:s".
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// If `format` is given, it acts as same as function StrToTimeFormat.
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// If `format` is not given, it converts string as a "standard" datetime string.
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// Note that, it fails and returns error if there's no date string in `str`.
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func StrToTime(str string, format ...string) (*Time, error) {
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if str == "" {
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return &Time{wrapper{time.Time{}}}, nil
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}
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if len(format) > 0 {
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return StrToTimeFormat(str, format[0])
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}
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if isTimestampStr(str) {
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timestamp, _ := strconv.ParseInt(str, 10, 64)
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return NewFromTimeStamp(timestamp), nil
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}
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var (
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year, month, day int
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hour, min, sec, nsec int
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match []string
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local = time.Local
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)
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if match = timeRegex1.FindStringSubmatch(str); len(match) > 0 && match[1] != "" {
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year, month, day = parseDateStr(match[1])
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} else if match = timeRegex2.FindStringSubmatch(str); len(match) > 0 && match[1] != "" {
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year, month, day = parseDateStr(match[1])
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} else if match = timeRegex3.FindStringSubmatch(str); len(match) > 0 && match[1] != "" {
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s := strings.ReplaceAll(match[2], ":", "")
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if len(s) < 6 {
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s += strings.Repeat("0", 6-len(s))
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}
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hour, _ = strconv.Atoi(match[1])
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min, _ = strconv.Atoi(match[2])
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sec, _ = strconv.Atoi(match[3])
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nsec, _ = strconv.Atoi(match[4])
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for i := 0; i < 9-len(match[4]); i++ {
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nsec *= 10
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}
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return NewFromTime(time.Date(0, time.Month(1), 1, hour, min, sec, nsec, local)), nil
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} else {
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return nil, gerror.NewCodef(gcode.CodeInvalidParameter, `unsupported time converting for string "%s"`, str)
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}
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// Time
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if len(match[2]) > 0 {
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s := strings.ReplaceAll(match[2], ":", "")
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if len(s) < 6 {
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s += strings.Repeat("0", 6-len(s))
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}
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hour, _ = strconv.Atoi(s[0:2])
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min, _ = strconv.Atoi(s[2:4])
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sec, _ = strconv.Atoi(s[4:6])
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}
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// Nanoseconds, check and perform bits filling
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if len(match[3]) > 0 {
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nsec, _ = strconv.Atoi(match[3])
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for i := 0; i < 9-len(match[3]); i++ {
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nsec *= 10
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}
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}
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// If there's zone information in the string,
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// it then performs time zone conversion, which converts the time zone to UTC.
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if match[4] != "" && match[6] == "" {
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match[6] = "000000"
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}
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// If there's offset in the string, it then firstly processes the offset.
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if match[6] != "" {
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zone := strings.ReplaceAll(match[6], ":", "")
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zone = strings.TrimLeft(zone, "+-")
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if len(zone) <= 6 {
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zone += strings.Repeat("0", 6-len(zone))
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h, _ := strconv.Atoi(zone[0:2])
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m, _ := strconv.Atoi(zone[2:4])
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s, _ := strconv.Atoi(zone[4:6])
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if h > 24 || m > 59 || s > 59 {
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return nil, gerror.NewCodef(gcode.CodeInvalidParameter, `invalid zone string "%s"`, match[6])
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}
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operation := match[5]
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if operation != "+" && operation != "-" {
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operation = "-"
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}
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// Comparing the given time zone whether equals to current time zone,
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// it converts it to UTC if they do not equal.
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_, localOffset := time.Now().Zone()
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// Comparing in seconds.
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if (h*3600+m*60+s) != localOffset ||
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(localOffset > 0 && operation == "-") ||
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(localOffset < 0 && operation == "+") {
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local = time.UTC
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// UTC conversion.
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switch operation {
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case "+":
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if h > 0 {
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hour -= h
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}
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if m > 0 {
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min -= m
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}
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if s > 0 {
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sec -= s
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}
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case "-":
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if h > 0 {
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hour += h
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}
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if m > 0 {
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min += m
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}
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if s > 0 {
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sec += s
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}
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}
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}
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}
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}
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if month <= 0 || day <= 0 {
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return nil, gerror.NewCodef(gcode.CodeInvalidParameter, `invalid time string "%s"`, str)
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}
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return NewFromTime(time.Date(year, time.Month(month), day, hour, min, sec, nsec, local)), nil
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}
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// ConvertZone converts time in string `strTime` from `fromZone` to `toZone`.
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// The parameter `fromZone` is unnecessary, it is current time zone in default.
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func ConvertZone(strTime string, toZone string, fromZone ...string) (*Time, error) {
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t, err := StrToTime(strTime)
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if err != nil {
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return nil, err
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}
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var l *time.Location
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if len(fromZone) > 0 {
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if l, err = time.LoadLocation(fromZone[0]); err != nil {
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err = gerror.WrapCodef(gcode.CodeInvalidParameter, err, `time.LoadLocation failed for name "%s"`, fromZone[0])
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return nil, err
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} else {
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t.Time = time.Date(t.Year(), time.Month(t.Month()), t.Day(), t.Hour(), t.Minute(), t.Time.Second(), t.Time.Nanosecond(), l)
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}
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}
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if l, err = time.LoadLocation(toZone); err != nil {
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err = gerror.WrapCodef(gcode.CodeInvalidParameter, err, `time.LoadLocation failed for name "%s"`, toZone)
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return nil, err
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} else {
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return t.ToLocation(l), nil
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}
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}
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// StrToTimeFormat parses string `str` to *Time object with given format `format`.
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// The parameter `format` is like "Y-m-d H:i:s".
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func StrToTimeFormat(str string, format string) (*Time, error) {
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return StrToTimeLayout(str, formatToStdLayout(format))
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}
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// StrToTimeLayout parses string `str` to *Time object with given format `layout`.
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// The parameter `layout` is in stdlib format like "2006-01-02 15:04:05".
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func StrToTimeLayout(str string, layout string) (*Time, error) {
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if t, err := time.ParseInLocation(layout, str, time.Local); err == nil {
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return NewFromTime(t), nil
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} else {
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return nil, gerror.WrapCodef(
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gcode.CodeInvalidParameter, err,
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`time.ParseInLocation failed for layout "%s" and value "%s"`,
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layout, str,
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)
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}
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}
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// ParseTimeFromContent retrieves time information for content string, it then parses and returns it
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// as *Time object.
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// It returns the first time information if there are more than one time string in the content.
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// It only retrieves and parses the time information with given `format` if it's passed.
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func ParseTimeFromContent(content string, format ...string) *Time {
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var (
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err error
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match []string
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)
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if len(format) > 0 {
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match, err = gregex.MatchString(formatToRegexPattern(format[0]), content)
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if err != nil {
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intlog.Errorf(context.TODO(), `%+v`, err)
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}
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if len(match) > 0 {
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return NewFromStrFormat(match[0], format[0])
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}
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} else {
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if match = timeRegex1.FindStringSubmatch(content); len(match) >= 1 {
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return NewFromStr(strings.Trim(match[0], "./_- \n\r"))
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} else if match = timeRegex2.FindStringSubmatch(content); len(match) >= 1 {
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return NewFromStr(strings.Trim(match[0], "./_- \n\r"))
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} else if match = timeRegex3.FindStringSubmatch(content); len(match) >= 1 {
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return NewFromStr(strings.Trim(match[0], "./_- \n\r"))
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}
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}
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return nil
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}
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// ParseDuration parses a duration string.
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// A duration string is a possibly signed sequence of
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// decimal numbers, each with optional fraction and a unit suffix,
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// such as "300ms", "-1.5h", "1d" or "2h45m".
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// Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h", "d".
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//
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// Very note that it supports unit "d" more than function time.ParseDuration.
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func ParseDuration(s string) (duration time.Duration, err error) {
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var (
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num int64
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)
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if utils.IsNumeric(s) {
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num, err = strconv.ParseInt(s, 10, 64)
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if err != nil {
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err = gerror.WrapCodef(gcode.CodeInvalidParameter, err, `strconv.ParseInt failed for string "%s"`, s)
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return 0, err
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}
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return time.Duration(num), nil
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}
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match, err := gregex.MatchString(`^([\-\d]+)[dD](.*)$`, s)
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if err != nil {
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return 0, err
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}
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if len(match) == 3 {
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num, err = strconv.ParseInt(match[1], 10, 64)
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if err != nil {
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err = gerror.WrapCodef(gcode.CodeInvalidParameter, err, `strconv.ParseInt failed for string "%s"`, match[1])
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return 0, err
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}
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s = fmt.Sprintf(`%dh%s`, num*24, match[2])
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duration, err = time.ParseDuration(s)
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if err != nil {
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err = gerror.WrapCodef(gcode.CodeInvalidParameter, err, `time.ParseDuration failed for string "%s"`, s)
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}
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return
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}
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duration, err = time.ParseDuration(s)
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err = gerror.WrapCodef(gcode.CodeInvalidParameter, err, `time.ParseDuration failed for string "%s"`, s)
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return
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}
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// FuncCost calculates the cost time of function `f` in nanoseconds.
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func FuncCost(f func()) time.Duration {
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t := time.Now()
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f()
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return time.Since(t)
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}
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// isTimestampStr checks and returns whether given string a timestamp string.
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func isTimestampStr(s string) bool {
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length := len(s)
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if length == 0 {
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return false
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}
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for i := 0; i < len(s); i++ {
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if s[i] < '0' || s[i] > '9' {
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return false
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}
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}
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return true
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}
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