mirror of
https://github.com/araddon/dateparse.git
synced 2024-09-20 11:05:44 +08:00
1490 lines
40 KiB
Go
1490 lines
40 KiB
Go
// Package dateparse parses date-strings without knowing the format
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// in advance, using a fast lex based approach to eliminate shotgun
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// attempts. It leans towards US style dates when there is a conflict.
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package dateparse
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import (
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"fmt"
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"strconv"
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"time"
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"unicode"
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"unicode/utf8"
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u "github.com/araddon/gou"
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)
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func init() {
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u.SetupLogging("debug")
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u.SetColorOutput()
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}
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type dateState uint8
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type timeState uint8
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const (
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dateStart dateState = iota
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dateDigit
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dateDigitDash
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dateDigitDashDash
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dateDigitDashDashWs
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dateDigitDashDashT
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dateDigitDashDashTZ
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dateDigitDashDashAlpha
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dateDigitDot
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dateDigitDotDot
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dateDigitSlash
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dateDigitSlashWS
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dateDigitSlashWSColon
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dateDigitSlashWSColonAMPM
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dateDigitSlashWSColonColon
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dateDigitSlashWSColonColonAMPM
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dateDigitChineseYear
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dateDigitChineseYearWs
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dateDigitWs
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dateDigitWsMoShort
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dateDigitWsMoShortColon
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dateDigitWsMoShortColonColon
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dateDigitWsMoShortComma
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dateAlpha
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dateAlphaWS
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dateAlphaWSDigit
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dateAlphaWSDigitComma
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dateAlphaWSDigitCommaWs
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dateAlphaWSDigitCommaWsYear
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dateAlphaWSAlpha
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dateAlphaWSAlphaColon
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dateAlphaWSAlphaColonOffset
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dateAlphaWSAlphaColonAlpha
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dateAlphaWSAlphaColonAlphaOffset
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dateAlphaWSAlphaColonAlphaOffsetAlpha
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dateWeekdayComma
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dateWeekdayCommaDash
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dateWeekdayCommaOffset
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dateWeekdayAbbrevComma
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dateWeekdayAbbrevCommaDash
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dateWeekdayAbbrevCommaOffset
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dateWeekdayAbbrevCommaOffsetZone
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)
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const (
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// Time state
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timeIgnore timeState = iota
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timeStart
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timeWs
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timeWsAMPMMaybe
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timeWsAMPM
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timeWsOffset
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timeWsAlpha
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timeWsOffsetAlpha
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timeWsOffsetColonAlpha
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timeWsOffsetColon
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timeOffset // 10
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timeOffsetColon
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timeAlpha
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timePeriod
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timePeriodAlpha
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timePeriodOffset
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timePeriodWs
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timePeriodWsOffset
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timePeriodWsOffsetAlpha // 18
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timeZ
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timeZDigit
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)
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var (
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shortDates = []string{"01/02/2006", "1/2/2006", "06/01/02", "01/02/06", "1/2/06"}
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)
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// ParseAny parse an unknown date format, detect the layout, parse.
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// Normal parse. Equivalent Timezone rules as time.Parse()
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func ParseAny(datestr string) (time.Time, error) {
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return parseTime(datestr, nil)
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}
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// ParseIn with Location, equivalent to time.ParseInLocation() timezone/offset
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// rules. Using location arg, if timezone/offset info exists in the
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// datestring, it uses the given location rules for any zone interpretation.
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// That is, MST means one thing when using America/Denver and something else
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// in other locations.
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func ParseIn(datestr string, loc *time.Location) (time.Time, error) {
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return parseTime(datestr, loc)
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}
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// ParseLocal Given an unknown date format, detect the layout,
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// using time.Local, parse.
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//
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// Set Location to time.Local. Same as ParseIn Location but lazily uses
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// the global time.Local variable for Location argument.
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//
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// denverLoc, _ := time.LoadLocation("America/Denver")
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// time.Local = denverLoc
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//
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// t, err := dateparse.ParseLocal("3/1/2014")
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//
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// Equivalent to:
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//
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// t, err := dateparse.ParseIn("3/1/2014", denverLoc)
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//
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func ParseLocal(datestr string) (time.Time, error) {
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return parseTime(datestr, time.Local)
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}
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// MustParse parse a date, and panic if it can't be parsed. Used for testing.
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// Not recommended for most use-cases.
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func MustParse(datestr string) time.Time {
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t, err := parseTime(datestr, nil)
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if err != nil {
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panic(err.Error())
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}
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return t
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}
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func parse(layout, datestr string, loc *time.Location) (time.Time, error) {
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if loc == nil {
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return time.Parse(layout, datestr)
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}
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return time.ParseInLocation(layout, datestr, loc)
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}
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type parser struct {
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loc *time.Location
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preferMonthFirst bool
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stateDate dateState
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stateTime timeState
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format []byte
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datestr string
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part1Len int
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part2Len int
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part3Len int
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yeari int
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yearlen int
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moi int
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molen int
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dayi int
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daylen int
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houri int
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hourlen int
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mini int
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minlen int
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seci int
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seclen int
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msi int
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mslen int
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offseti int
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}
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func newParser(dateStr string, loc *time.Location) parser {
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p := parser{
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stateDate: dateStart,
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stateTime: timeIgnore,
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datestr: dateStr,
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}
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p.format = []byte(dateStr)
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return p
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}
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func (p parser) set(start int, val string) {
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if len(p.format) < start+len(val) {
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u.Warnf("invalid format %d: %v", start, val)
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return
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}
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for i, r := range val {
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p.format[start+i] = byte(r)
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}
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}
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func (p parser) setMonth() {
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if p.moi == 0 {
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u.Warnf("not set %+v", p)
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}
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if p.molen == 2 {
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p.set(p.moi, "01")
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} else {
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p.set(p.moi, "1")
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}
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}
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func (p parser) setDay() {
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if p.dayi == 0 {
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u.Warnf("not set %+v", p)
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}
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if p.daylen == 2 {
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p.set(p.dayi, "02")
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} else {
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p.set(p.dayi, "2")
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}
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}
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func (p parser) coalesceTime(end int) {
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// 03:04:05
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// 15:04:05
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// 3:04:05
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// 3:4:5
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// 15:04:05.00
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u.Infof("coalesceTime: %+v", p)
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if p.houri > 0 {
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if p.hourlen == 2 {
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p.set(p.houri, "15")
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} else {
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p.set(p.houri, "3")
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}
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}
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if p.mini > 0 {
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if p.minlen == 0 {
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p.minlen = end - p.mini
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}
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if p.minlen == 2 {
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p.set(p.mini, "04")
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} else {
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p.set(p.mini, "4")
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}
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}
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if p.seci > 0 {
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if p.seclen == 0 {
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p.seclen = end - p.seci
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u.Infof("fixing seconds p.seci=%d seclen=%d end=%d", p.seci, p.seclen, end)
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}
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if p.seclen == 2 {
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p.set(p.seci, "05")
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} else {
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p.set(p.seci, "5")
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}
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}
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if p.msi > 0 {
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if p.mslen == 0 {
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p.mslen = end - p.msi
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u.Warnf("set mslen??? %v", p.datestr)
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}
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for i := 0; i < p.mslen; i++ {
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p.format[p.msi+i] = '0'
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}
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}
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u.Debugf("coalesce %+v", p)
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}
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func (p parser) parse() (time.Time, error) {
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u.Debugf("parse() %50s AS %50s", p.datestr, p.format)
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if p.loc == nil {
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return time.Parse(string(p.format), p.datestr)
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}
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return time.ParseInLocation(string(p.format), p.datestr, p.loc)
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}
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func parseTime(datestr string, loc *time.Location) (time.Time, error) {
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p := newParser(datestr, loc)
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i := 0
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// General strategy is to read rune by rune through the date looking for
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// certain hints of what type of date we are dealing with.
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// Hopefully we only need to read about 5 or 6 bytes before
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// we figure it out and then attempt a parse
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iterRunes:
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for ; i < len(datestr); i++ {
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//r := rune(datestr[i])
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r, bytesConsumed := utf8.DecodeRuneInString(datestr[i:])
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if bytesConsumed > 1 {
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i += (bytesConsumed - 1)
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}
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switch p.stateDate {
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case dateStart:
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if unicode.IsDigit(r) {
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p.stateDate = dateDigit
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} else if unicode.IsLetter(r) {
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p.stateDate = dateAlpha
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}
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case dateDigit:
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switch r {
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case '-', '\u2212':
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// 2006-01-02
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// 2006-01-02T15:04:05Z07:00
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// 13-Feb-03
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// 2013-Feb-03
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p.stateDate = dateDigitDash
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p.yeari = 0
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p.yearlen = i
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p.moi = i + 1
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if i == 4 {
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p.set(0, "2006")
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}
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case '/':
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p.stateDate = dateDigitSlash
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case '.':
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p.stateDate = dateDigitDot
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case ' ':
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p.stateDate = dateDigitWs
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case '年':
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// Chinese Year
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p.stateDate = dateDigitChineseYear
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default:
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//if unicode.IsDigit(r) {
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continue
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}
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p.part1Len = i
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case dateDigitDash:
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// 2006-01-02
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// dateDigitDashDashT
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// 2006-01-02T15:04:05Z07:00
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// 2017-06-25T17:46:57.45706582-07:00
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// 2006-01-02T15:04:05.999999999Z07:00
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// 2006-01-02T15:04:05+0000
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// dateDigitDashDashWs
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// 2012-08-03 18:31:59.257000000
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// 2014-04-26 17:24:37.3186369
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// 2017-01-27 00:07:31.945167
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// 2016-03-14 00:00:00.000
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// 2014-05-11 08:20:13,787
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// 2017-07-19 03:21:51+00:00
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// 2013-04-01 22:43:22
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// 2014-04-26 05:24:37 PM
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// dateDigitDashDashAlpha
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// 2013-Feb-03
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// 13-Feb-03
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switch r {
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case '-':
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p.molen = i - p.moi
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p.dayi = i + 1
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p.stateDate = dateDigitDashDash
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p.setMonth()
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default:
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if unicode.IsDigit(r) {
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//continue
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} else if unicode.IsLetter(r) {
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p.stateDate = dateDigitDashDashAlpha
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}
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}
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case dateDigitDashDash:
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// 2006-01-02
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// dateDigitDashDashT
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// 2006-01-02T15:04:05Z07:00
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// 2017-06-25T17:46:57.45706582-07:00
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// 2006-01-02T15:04:05.999999999Z07:00
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// 2006-01-02T15:04:05+0000
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// dateDigitDashDashWs
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// 2012-08-03 18:31:59.257000000
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// 2014-04-26 17:24:37.3186369
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// 2017-01-27 00:07:31.945167
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// 2016-03-14 00:00:00.000
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// 2014-05-11 08:20:13,787
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// 2017-07-19 03:21:51+00:00
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// 2013-04-01 22:43:22
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// 2014-04-26 05:24:37 PM
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switch r {
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case ' ':
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p.daylen = i - p.dayi
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p.stateDate = dateDigitDashDashWs
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p.stateTime = timeStart
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p.setDay()
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break iterRunes
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case 'T':
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p.daylen = i - p.dayi
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p.stateDate = dateDigitDashDashT
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p.stateTime = timeStart
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p.setDay()
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break iterRunes
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}
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case dateDigitDashDashAlpha:
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// 2013-Feb-03
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// 13-Feb-03
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switch r {
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case '-':
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p.set(p.moi, "Jan")
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p.dayi = i + 1
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}
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case dateDigitSlash:
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// 2014/07/10 06:55:38.156283
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// 03/19/2012 10:11:59
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// 04/2/2014 03:00:37
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// 3/1/2012 10:11:59
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// 4/8/2014 22:05
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// 3/1/2014
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// 10/13/2014
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// 01/02/2006
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// 1/2/06
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switch r {
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case ' ':
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p.stateDate = dateDigitSlashWS
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case '/':
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continue
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default:
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// if unicode.IsDigit(r) || r == '/' {
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// continue
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// }
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}
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case dateDigitSlashWS:
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// 2014/07/10 06:55:38.156283
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// 03/19/2012 10:11:59
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// 04/2/2014 03:00:37
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// 3/1/2012 10:11:59
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// 4/8/2014 22:05
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// 4/8/14 22:05
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switch r {
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case ':':
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p.stateDate = dateDigitSlashWSColon
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}
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case dateDigitSlashWSColon:
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// 2014/07/10 06:55:38.156283
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// 03/19/2012 10:11:59
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// 04/2/2014 03:00:37
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// 3/1/2012 10:11:59
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// 4/8/2014 22:05
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// 4/8/14 22:05
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// 3/1/2012 10:11:59 AM
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switch r {
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case ':':
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p.stateDate = dateDigitSlashWSColonColon
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case 'A', 'P':
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p.stateDate = dateDigitSlashWSColonAMPM
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}
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case dateDigitSlashWSColonColon:
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// 2014/07/10 06:55:38.156283
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// 03/19/2012 10:11:59
|
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// 04/2/2014 03:00:37
|
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// 3/1/2012 10:11:59
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|
// 4/8/2014 22:05
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|
// 4/8/14 22:05
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// 3/1/2012 10:11:59 AM
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switch r {
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case 'A', 'P':
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p.stateDate = dateDigitSlashWSColonColonAMPM
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}
|
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|
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case dateDigitWs:
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// 18 January 2018
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// 8 January 2018
|
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//dateDigitWsMoShort
|
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// 02 Jan 2018 23:59
|
|
// 02 Jan 2018 23:59:34
|
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// dateDigitWsMoShortComma
|
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// 12 Feb 2006, 19:17
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// 12 Feb 2006, 19:17:22
|
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if r == ' ' {
|
|
if i <= p.part1Len+len(" Feb") {
|
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p.stateDate = dateDigitWsMoShort
|
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} else {
|
|
break iterRunes
|
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}
|
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}
|
|
case dateDigitWsMoShort:
|
|
// 18 January 2018
|
|
// 8 January 2018
|
|
// dateDigitWsMoShort
|
|
// dateDigitWsMoShortColon
|
|
// 02 Jan 2018 23:59
|
|
// dateDigitWsMoShortComma
|
|
// 12 Feb 2006, 19:17
|
|
// 12 Feb 2006, 19:17:22
|
|
switch r {
|
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case ':':
|
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p.stateDate = dateDigitWsMoShortColon
|
|
case ',':
|
|
p.stateDate = dateDigitWsMoShortComma
|
|
}
|
|
case dateDigitWsMoShortColon:
|
|
// 02 Jan 2018 23:59
|
|
// dateDigitWsMoShortColonColon
|
|
// 02 Jan 2018 23:59:45
|
|
|
|
switch r {
|
|
case ':':
|
|
p.stateDate = dateDigitWsMoShortColonColon
|
|
break iterRunes
|
|
}
|
|
|
|
case dateDigitChineseYear:
|
|
// dateDigitChineseYear
|
|
// 2014年04月08日
|
|
// weekday %Y年%m月%e日 %A %I:%M %p
|
|
// 2013年07月18日 星期四 10:27 上午
|
|
if r == ' ' {
|
|
p.stateDate = dateDigitChineseYearWs
|
|
break
|
|
}
|
|
case dateDigitDot:
|
|
// 3.31.2014
|
|
if r == '.' {
|
|
p.stateDate = dateDigitDotDot
|
|
p.part2Len = i
|
|
}
|
|
case dateDigitDotDot:
|
|
// iterate all the way through
|
|
case dateAlpha:
|
|
// dateAlphaWS
|
|
// Mon Jan _2 15:04:05 2006
|
|
// Mon Jan _2 15:04:05 MST 2006
|
|
// Mon Jan 02 15:04:05 -0700 2006
|
|
// Mon Aug 10 15:44:11 UTC+0100 2015
|
|
// Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
|
|
// dateAlphaWSDigit
|
|
// May 8, 2009 5:57:51 PM
|
|
//
|
|
// dateWeekdayComma
|
|
// Monday, 02 Jan 2006 15:04:05 MST
|
|
// dateWeekdayCommaDash
|
|
// Monday, 02-Jan-06 15:04:05 MST
|
|
// dateWeekdayCommaOffset
|
|
// Monday, 02 Jan 2006 15:04:05 -0700
|
|
// Monday, 02 Jan 2006 15:04:05 +0100
|
|
// dateWeekdayAbbrevComma
|
|
// Mon, 02 Jan 2006 15:04:05 MST
|
|
// dateWeekdayAbbrevCommaDash
|
|
// Mon, 02-Jan-06 15:04:05 MST
|
|
// dateWeekdayAbbrevCommaOffset
|
|
// Mon, 02 Jan 2006 15:04:05 -0700
|
|
// Thu, 13 Jul 2017 08:58:40 +0100
|
|
// dateWeekdayAbbrevCommaOffsetZone
|
|
// Tue, 11 Jul 2017 16:28:13 +0200 (CEST)
|
|
switch {
|
|
case r == ' ':
|
|
p.stateDate = dateAlphaWS
|
|
p.set(0, "Mon")
|
|
p.part1Len = i
|
|
case r == ',':
|
|
p.part1Len = i
|
|
if i == 3 {
|
|
p.stateDate = dateWeekdayAbbrevComma
|
|
p.set(0, "Mon")
|
|
} else {
|
|
p.stateDate = dateWeekdayComma
|
|
p.set(0, "Monday")
|
|
}
|
|
i++
|
|
}
|
|
case dateWeekdayComma: // Starts alpha then comma
|
|
// Monday, 02 Jan 2006 15:04:05 MST
|
|
// dateWeekdayCommaDash
|
|
// Monday, 02-Jan-06 15:04:05 MST
|
|
// dateWeekdayCommaOffset
|
|
// Monday, 02 Jan 2006 15:04:05 -0700
|
|
// Monday, 02 Jan 2006 15:04:05 +0100
|
|
switch {
|
|
case r == '-':
|
|
if i < 15 {
|
|
p.stateDate = dateWeekdayCommaDash
|
|
break iterRunes
|
|
}
|
|
p.stateDate = dateWeekdayCommaOffset
|
|
case r == '+':
|
|
p.stateDate = dateWeekdayCommaOffset
|
|
}
|
|
case dateWeekdayAbbrevComma: // Starts alpha then comma
|
|
// Mon, 02 Jan 2006 15:04:05 MST
|
|
// dateWeekdayAbbrevCommaDash
|
|
// Mon, 02-Jan-06 15:04:05 MST
|
|
// dateWeekdayAbbrevCommaOffset
|
|
// Mon, 02 Jan 2006 15:04:05 -0700
|
|
// Thu, 13 Jul 2017 08:58:40 +0100
|
|
// Thu, 4 Jan 2018 17:53:36 +0000
|
|
// dateWeekdayAbbrevCommaOffsetZone
|
|
// Tue, 11 Jul 2017 16:28:13 +0200 (CEST)
|
|
switch {
|
|
case r == ' ' && p.part3Len == 0:
|
|
p.part3Len = i - p.part1Len - 2
|
|
case r == '-':
|
|
if i < 15 {
|
|
p.stateDate = dateWeekdayAbbrevCommaDash
|
|
break iterRunes
|
|
}
|
|
p.stateDate = dateWeekdayAbbrevCommaOffset
|
|
case r == '+':
|
|
p.stateDate = dateWeekdayAbbrevCommaOffset
|
|
}
|
|
|
|
case dateWeekdayAbbrevCommaOffset:
|
|
// dateWeekdayAbbrevCommaOffset
|
|
// Mon, 02 Jan 2006 15:04:05 -0700
|
|
// Thu, 13 Jul 2017 08:58:40 +0100
|
|
// Thu, 4 Jan 2018 17:53:36 +0000
|
|
// dateWeekdayAbbrevCommaOffsetZone
|
|
// Tue, 11 Jul 2017 16:28:13 +0200 (CEST)
|
|
if r == '(' {
|
|
p.stateDate = dateWeekdayAbbrevCommaOffsetZone
|
|
}
|
|
|
|
case dateAlphaWS: // Starts alpha then whitespace
|
|
// Mon Jan _2 15:04:05 2006
|
|
// Mon Jan _2 15:04:05 MST 2006
|
|
// Mon Jan 02 15:04:05 -0700 2006
|
|
// Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
|
|
// Mon Aug 10 15:44:11 UTC+0100 2015
|
|
switch {
|
|
case r == ' ':
|
|
p.part2Len = i - p.part1Len
|
|
case unicode.IsLetter(r):
|
|
p.stateDate = dateAlphaWSAlpha
|
|
case unicode.IsDigit(r):
|
|
p.stateDate = dateAlphaWSDigit
|
|
default:
|
|
u.Warnf("can we drop isLetter? case r=%s", string(r))
|
|
}
|
|
|
|
case dateAlphaWSDigit: // Starts Alpha, whitespace, digit, comma
|
|
// dateAlphaWSDigit
|
|
// May 8, 2009 5:57:51 PM
|
|
switch {
|
|
case r == ',':
|
|
p.stateDate = dateAlphaWSDigitComma
|
|
case unicode.IsDigit(r):
|
|
p.stateDate = dateAlphaWSDigit
|
|
default:
|
|
u.Warnf("hm, can we drop a case here? %v", string(r))
|
|
}
|
|
case dateAlphaWSDigitComma:
|
|
// x
|
|
// May 8, 2009 5:57:51 PM
|
|
switch {
|
|
case r == ' ':
|
|
p.stateDate = dateAlphaWSDigitCommaWs
|
|
default:
|
|
u.Warnf("hm, can we drop a case here? %v", string(r))
|
|
return time.Time{}, fmt.Errorf("could not find format for %v expected white-space after comma", datestr)
|
|
}
|
|
case dateAlphaWSDigitCommaWs:
|
|
// x
|
|
// May 8, 2009 5:57:51 PM
|
|
if !unicode.IsDigit(r) {
|
|
p.stateDate = dateAlphaWSDigitCommaWsYear
|
|
break iterRunes
|
|
}
|
|
|
|
case dateAlphaWSAlpha: // Alpha, whitespace, alpha
|
|
// Mon Jan _2 15:04:05 2006
|
|
// Mon Jan 02 15:04:05 -0700 2006
|
|
// Mon Jan _2 15:04:05 MST 2006
|
|
// Mon Aug 10 15:44:11 UTC+0100 2015
|
|
// Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
|
|
if r == ':' {
|
|
p.stateDate = dateAlphaWSAlphaColon
|
|
}
|
|
case dateAlphaWSAlphaColon:
|
|
// Mon Jan _2 15:04:05 2006
|
|
// Mon Jan 02 15:04:05 -0700 2006
|
|
// Mon Jan _2 15:04:05 MST 2006
|
|
// Mon Aug 10 15:44:11 UTC+0100 2015
|
|
// Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
|
|
if unicode.IsLetter(r) {
|
|
p.stateDate = dateAlphaWSAlphaColonAlpha
|
|
} else if r == '-' || r == '+' {
|
|
p.stateDate = dateAlphaWSAlphaColonOffset
|
|
}
|
|
case dateAlphaWSAlphaColonAlpha:
|
|
// Mon Jan _2 15:04:05 MST 2006
|
|
// Mon Aug 10 15:44:11 UTC+0100 2015
|
|
// Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
|
|
if r == '+' {
|
|
p.stateDate = dateAlphaWSAlphaColonAlphaOffset
|
|
}
|
|
case dateAlphaWSAlphaColonAlphaOffset:
|
|
// Mon Aug 10 15:44:11 UTC+0100 2015
|
|
// Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
|
|
if unicode.IsLetter(r) {
|
|
p.stateDate = dateAlphaWSAlphaColonAlphaOffsetAlpha
|
|
}
|
|
default:
|
|
break iterRunes
|
|
}
|
|
}
|
|
|
|
if p.stateTime == timeStart {
|
|
// increment first one, since the i++ occurs at end of loop
|
|
i++
|
|
|
|
iterTimeRunes:
|
|
for ; i < len(datestr); i++ {
|
|
r, bytesConsumed := utf8.DecodeRuneInString(datestr[i:])
|
|
if bytesConsumed > 1 {
|
|
i += (bytesConsumed - 1)
|
|
}
|
|
|
|
switch p.stateTime {
|
|
case timeIgnore:
|
|
// not used
|
|
case timeStart:
|
|
// 22:43:22
|
|
// timeComma
|
|
// 08:20:13,787
|
|
// timeWs
|
|
// 05:24:37 PM
|
|
// 06:20:00 UTC
|
|
// 00:12:00 +0000 UTC
|
|
// 15:04:05 -0700
|
|
// 15:04:05 -07:00
|
|
// timeOffset
|
|
// 03:21:51+00:00
|
|
// timePeriod
|
|
// 17:24:37.3186369
|
|
// 00:07:31.945167
|
|
// 18:31:59.257000000
|
|
// 00:00:00.000
|
|
// 15:04:05.999-07:00
|
|
// timePeriodOffset
|
|
// 00:07:31.945167 +0000
|
|
// 00:00:00.000 +0000
|
|
// timePeriodOffsetAlpha
|
|
// 00:07:31.945167 +0000 UTC
|
|
// 00:00:00.000 +0000 UTC
|
|
// timePeriodAlpha
|
|
// 06:20:00.000 UTC
|
|
|
|
if p.houri == 0 {
|
|
p.houri = i
|
|
}
|
|
switch r {
|
|
case ',':
|
|
if len(datestr) == len("2014-05-11 08:20:13,787") {
|
|
// go doesn't seem to parse this one natively? or did i miss it?
|
|
t, err := parse("2006-01-02 03:04:05", datestr[:i], loc)
|
|
if err == nil {
|
|
ms, err := strconv.Atoi(datestr[i+1:])
|
|
if err == nil {
|
|
return time.Unix(0, t.UnixNano()+int64(ms)*1e6), nil
|
|
}
|
|
}
|
|
return t, err
|
|
}
|
|
case '-', '+':
|
|
// 03:21:51+00:00
|
|
p.stateTime = timeOffset
|
|
p.seclen = i - p.seci
|
|
p.offseti = i
|
|
case '.':
|
|
p.stateTime = timePeriod
|
|
p.seclen = i - p.seci
|
|
p.msi = i + 1
|
|
case 'Z':
|
|
p.stateTime = timeZ
|
|
if p.seci == 0 {
|
|
p.minlen = i - p.mini
|
|
u.Infof("mini:%d minlen:%d", p.mini, p.minlen)
|
|
} else {
|
|
p.seclen = i - p.seci
|
|
u.Infof("seci:%d seclen:%d", p.seci, p.seclen)
|
|
}
|
|
case ' ':
|
|
p.stateTime = timeWs
|
|
p.seclen = i - p.seci
|
|
case ':':
|
|
u.Infof("sss %s for %v", string(r), datestr)
|
|
if p.mini == 0 {
|
|
p.mini = i + 1
|
|
p.hourlen = i - p.houri
|
|
} else if p.seci == 0 {
|
|
p.seci = i + 1
|
|
p.minlen = i - p.mini
|
|
}
|
|
|
|
}
|
|
case timeOffset:
|
|
// timeOffsetColon
|
|
// 15:04:05+07:00
|
|
// 15:04:05-07:00
|
|
if r == ':' {
|
|
p.stateTime = timeOffsetColon
|
|
}
|
|
case timeWs:
|
|
// timeAlpha
|
|
// 06:20:00 UTC
|
|
// timeWsAMPMMaybe
|
|
// 05:24:37 PM
|
|
// timeWsOffset
|
|
// 15:04:05 -0700
|
|
// timeWsOffsetColon
|
|
// 15:04:05 -07:00
|
|
// timeWsOffsetColonAlpha
|
|
// 00:12:00 +00:00 UTC
|
|
// timeWsOffsetAlpha
|
|
// 00:12:00 +0000 UTC
|
|
// timeZ
|
|
// 15:04:05.99Z
|
|
switch r {
|
|
case 'A', 'P':
|
|
// Could be AM/PM or could be PST or similar
|
|
p.stateTime = timeWsAMPMMaybe
|
|
case '+', '-':
|
|
p.stateTime = timeWsOffset
|
|
default:
|
|
if unicode.IsLetter(r) {
|
|
// 06:20:00 UTC
|
|
p.stateTime = timeWsAlpha
|
|
break iterTimeRunes
|
|
}
|
|
}
|
|
|
|
case timeWsAMPMMaybe:
|
|
// timeWsAMPMMaybe
|
|
// timeWsAMPM
|
|
// 05:24:37 PM
|
|
// timeWsAlpha
|
|
// 00:12:00 PST
|
|
if r == 'M' {
|
|
//return parse("2006-01-02 03:04:05 PM", datestr, loc)
|
|
p.stateTime = timeWsAMPM
|
|
} else {
|
|
p.stateTime = timeWsAlpha
|
|
}
|
|
|
|
case timeWsOffset:
|
|
// timeWsOffset
|
|
// 15:04:05 -0700
|
|
// timeWsOffsetColon
|
|
// 15:04:05 -07:00
|
|
// timeWsOffsetColonAlpha
|
|
// 00:12:00 +00:00 UTC
|
|
// timeWsOffsetAlpha
|
|
// 00:12:00 +0000 UTC
|
|
if r == ':' {
|
|
p.stateTime = timeWsOffsetColon
|
|
} else if unicode.IsLetter(r) {
|
|
// 2015-02-18 00:12:00 +0000 UTC
|
|
p.stateTime = timeWsOffsetAlpha
|
|
break iterTimeRunes
|
|
}
|
|
|
|
case timeWsOffsetColon:
|
|
// timeWsOffsetColon
|
|
// 15:04:05 -07:00
|
|
// timeWsOffsetColonAlpha
|
|
// 2015-02-18 00:12:00 +00:00 UTC
|
|
if unicode.IsLetter(r) {
|
|
// 2015-02-18 00:12:00 +00:00 UTC
|
|
p.stateTime = timeWsOffsetColonAlpha
|
|
break iterTimeRunes
|
|
}
|
|
|
|
case timePeriod:
|
|
// 15:04:05.999999999+07:00
|
|
// 15:04:05.999999999-07:00
|
|
// 15:04:05.999999+07:00
|
|
// 15:04:05.999999-07:00
|
|
// 15:04:05.999+07:00
|
|
// 15:04:05.999-07:00
|
|
// timePeriod
|
|
// 17:24:37.3186369
|
|
// 00:07:31.945167
|
|
// 18:31:59.257000000
|
|
// 00:00:00.000
|
|
// timePeriodWs
|
|
// timePeriodWsOffset
|
|
// 00:07:31.945167 +0000
|
|
// 00:00:00.000 +0000
|
|
// timePeriodWsOffsetAlpha
|
|
// 00:07:31.945167 +0000 UTC
|
|
// 00:00:00.000 +0000 UTC
|
|
// timePeriodWsAlpha
|
|
// 06:20:00.000 UTC
|
|
switch r {
|
|
// case '.':
|
|
// p.stateTime = timePeriod
|
|
// p.seclen = i - p.seci
|
|
// p.msi = i + 1
|
|
case ' ':
|
|
p.mslen = i - p.msi
|
|
p.stateTime = timePeriodWs
|
|
case '+', '-':
|
|
p.mslen = i - p.msi
|
|
p.stateTime = timePeriodOffset
|
|
default:
|
|
if unicode.IsLetter(r) {
|
|
// 06:20:00.000 UTC
|
|
p.mslen = i - p.msi
|
|
p.stateTime = timePeriodAlpha
|
|
}
|
|
}
|
|
case timePeriodWs:
|
|
if unicode.IsLetter(r) {
|
|
// 00:07:31.945167 +0000 UTC
|
|
// 00:00:00.000 +0000 UTC
|
|
p.stateTime = timePeriodWsOffsetAlpha
|
|
break iterTimeRunes
|
|
}
|
|
case timePeriodWsOffset:
|
|
// 00:07:31.945167 +0000
|
|
// 00:00:00.000 +0000
|
|
// timePeriodWsOffsetAlpha
|
|
// 00:07:31.945167 +0000 UTC
|
|
// 00:00:00.000 +0000 UTC
|
|
if unicode.IsLetter(r) {
|
|
// 00:07:31.945167 +0000 UTC
|
|
// 00:00:00.000 +0000 UTC
|
|
p.stateTime = timePeriodWsOffsetAlpha
|
|
break iterTimeRunes
|
|
}
|
|
case timeZ:
|
|
// timeZ
|
|
// 15:04:05.99Z
|
|
// With a time-zone at end after Z
|
|
// 2006-01-02T15:04:05.999999999Z07:00
|
|
// 2006-01-02T15:04:05Z07:00
|
|
// RFC3339 = "2006-01-02T15:04:05Z07:00"
|
|
// RFC3339Nano = "2006-01-02T15:04:05.999999999Z07:00"
|
|
if unicode.IsDigit(r) {
|
|
p.stateTime = timeZDigit
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
switch p.stateTime {
|
|
case timePeriod:
|
|
p.mslen = i - p.msi
|
|
case timeZ:
|
|
u.Warnf("wtf? timeZ")
|
|
case timeZDigit:
|
|
u.Warnf("got Z00:00")
|
|
default:
|
|
u.Warnf("un-handled statetime: %d for %v", p.stateTime, p.datestr)
|
|
}
|
|
|
|
p.coalesceTime(i)
|
|
switch p.stateTime {
|
|
case timeOffset:
|
|
// 15:04:05+0700
|
|
u.Warnf("not handled timeOffset?")
|
|
case timeOffsetColon:
|
|
// 15:04:05+07:00
|
|
u.Warnf("timeoffsetcolon ")
|
|
p.set(p.offseti, "-07:00")
|
|
case timeWsAMPMMaybe:
|
|
case timeZ:
|
|
}
|
|
}
|
|
|
|
//u.Infof("%60s %q\n\t%+v", datestr, string(p.format), p)
|
|
|
|
switch p.stateDate {
|
|
case dateDigit:
|
|
// unixy timestamps ish
|
|
// 1499979655583057426 nanoseconds
|
|
// 1499979795437000 micro-seconds
|
|
// 1499979795437 milliseconds
|
|
// 1384216367189
|
|
// 1332151919 seconds
|
|
// 20140601 yyyymmdd
|
|
// 2014 yyyy
|
|
t := time.Time{}
|
|
if len(datestr) > len("1499979795437000") {
|
|
if nanoSecs, err := strconv.ParseInt(datestr, 10, 64); err == nil {
|
|
t = time.Unix(0, nanoSecs)
|
|
}
|
|
} else if len(datestr) > len("1499979795437") {
|
|
if microSecs, err := strconv.ParseInt(datestr, 10, 64); err == nil {
|
|
t = time.Unix(0, microSecs*1000)
|
|
}
|
|
} else if len(datestr) > len("1332151919") {
|
|
if miliSecs, err := strconv.ParseInt(datestr, 10, 64); err == nil {
|
|
t = time.Unix(0, miliSecs*1000*1000)
|
|
}
|
|
} else if len(datestr) == len("20140601") {
|
|
return parse("20060102", datestr, loc)
|
|
} else if len(datestr) == len("2014") {
|
|
return parse("2006", datestr, loc)
|
|
}
|
|
if t.IsZero() {
|
|
if secs, err := strconv.ParseInt(datestr, 10, 64); err == nil {
|
|
if secs < 0 {
|
|
// Now, for unix-seconds we aren't going to guess a lot
|
|
// nothing before unix-epoch
|
|
} else {
|
|
t = time.Unix(secs, 0)
|
|
}
|
|
}
|
|
}
|
|
if !t.IsZero() {
|
|
if loc == nil {
|
|
return t, nil
|
|
}
|
|
return t.In(loc), nil
|
|
}
|
|
|
|
case dateDigitDashDash:
|
|
// 2006-01-02
|
|
// 2006-1-02
|
|
// 2006-1-2
|
|
// 2006-01-2
|
|
// 2006-01
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashAlpha:
|
|
// 2013-Feb-03
|
|
// 2013-Feb-3
|
|
p.daylen = i - p.dayi
|
|
p.setDay()
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashTZ: // starts digit then dash 02- then T Then Z
|
|
// 2006-01-02T15:04:05.999999999Z
|
|
// 2006-01-02T15:04:05.99999999Z
|
|
// 2006-01-02T15:04:05.9999999Z
|
|
// 2006-01-02T15:04:05.999999Z
|
|
// 2006-01-02T15:04:05.99999Z
|
|
// 2006-01-02T15:04:05.9999Z
|
|
// 2006-01-02T15:04:05.999Z
|
|
// 2006-01-02T15:04:05.99Z
|
|
// 2009-08-12T22:15Z -- No seconds/milliseconds
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashWs: // starts digit then dash 02- then whitespace 1 << 2 << 5 + 3
|
|
// 2013-04-01 22:43:22
|
|
// 2013-04-01 22:43
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashT:
|
|
return p.parse()
|
|
|
|
/*
|
|
case dateDigitDashDashTOffset:
|
|
// 2006-01-02T15:04:05+0000
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashTOffsetColon:
|
|
// With another +/- time-zone at end
|
|
// 2006-01-02T15:04:05.999999999+07:00
|
|
// 2006-01-02T15:04:05.999999999-07:00
|
|
// 2006-01-02T15:04:05.999999+07:00
|
|
// 2006-01-02T15:04:05.999999-07:00
|
|
// 2006-01-02T15:04:05.999+07:00
|
|
// 2006-01-02T15:04:05.999-07:00
|
|
// 2006-01-02T15:04:05+07:00
|
|
// 2006-01-02T15:04:05-07:00
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashT: // starts digit then dash 02- then T
|
|
// 2006-01-02T15:04:05.999999
|
|
// 2006-01-02T15:04:05.999999
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashTZDigit:
|
|
// With a time-zone at end after Z
|
|
// 2006-01-02T15:04:05.999999999Z07:00
|
|
// 2006-01-02T15:04:05Z07:00
|
|
// RFC3339 = "2006-01-02T15:04:05Z07:00"
|
|
// RFC3339Nano = "2006-01-02T15:04:05.999999999Z07:00"
|
|
return time.Time{}, fmt.Errorf("RFC339 Dates may not contain both Z & Offset for %q see https://github.com/golang/go/issues/5294", datestr)
|
|
|
|
|
|
case dateDigitDashDashWsWsOffset:
|
|
// 2006-01-02 15:04:05 -0700
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashWsWsOffsetColon:
|
|
// 2006-01-02 15:04:05 -07:00
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashWsWsOffsetAlpha:
|
|
// 2015-02-18 00:12:00 +0000 UTC
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashWsWsOffsetColonAlpha:
|
|
// 2015-02-18 00:12:00 +00:00 UTC
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashWsOffset:
|
|
// 2017-07-19 03:21:51+00:00
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashWsWsAlpha:
|
|
// 2014-12-16 06:20:00 UTC
|
|
return p.parse()
|
|
|
|
// if len(datestr) > len("2006-01-02 03:04:05") {
|
|
// t, err := parse("2006-01-02 03:04:05", datestr[:len("2006-01-02 03:04:05")], loc)
|
|
// if err == nil {
|
|
// return t, nil
|
|
// }
|
|
// }
|
|
|
|
case dateDigitDashDashWsPeriod:
|
|
// 2012-08-03 18:31:59.257000000
|
|
// 2014-04-26 17:24:37.3186369
|
|
// 2017-01-27 00:07:31.945167
|
|
// 2016-03-14 00:00:00.000
|
|
return p.parse()
|
|
|
|
|
|
case dateDigitDashDashWsPeriodAlpha:
|
|
// 2012-08-03 18:31:59.257000000 UTC
|
|
// 2014-04-26 17:24:37.3186369 UTC
|
|
// 2017-01-27 00:07:31.945167 UTC
|
|
// 2016-03-14 00:00:00.000 UTC
|
|
return p.parse()
|
|
|
|
case dateDigitDashDashWsPeriodOffset:
|
|
// 2012-08-03 18:31:59.257000000 +0000
|
|
// 2014-04-26 17:24:37.3186369 +0000
|
|
// 2017-01-27 00:07:31.945167 +0000
|
|
// 2016-03-14 00:00:00.000 +0000
|
|
return p.parse()
|
|
case dateDigitDashDashWsPeriodOffsetAlpha:
|
|
// 2012-08-03 18:31:59.257000000 +0000 UTC
|
|
// 2014-04-26 17:24:37.3186369 +0000 UTC
|
|
// 2017-01-27 00:07:31.945167 +0000 UTC
|
|
// 2016-03-14 00:00:00.000 +0000 UTC
|
|
return p.parse()
|
|
*/
|
|
|
|
case dateDigitDotDot:
|
|
switch {
|
|
case len(datestr) == len("01.02.2006"):
|
|
return parse("01.02.2006", datestr, loc)
|
|
case len(datestr)-p.part2Len == 3:
|
|
for _, layout := range []string{"01.02.06", "1.02.06", "01.2.06", "1.2.06"} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
default:
|
|
for _, layout := range []string{"1.02.2006", "01.2.2006", "1.2.2006"} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
}
|
|
|
|
case dateDigitWs:
|
|
// 18 January 2018
|
|
// 8 January 2018
|
|
if p.part1Len == 1 {
|
|
return parse("2 January 2006", datestr, loc)
|
|
}
|
|
return parse("02 January 2006", datestr, loc)
|
|
// 02 Jan 2018 23:59
|
|
case dateDigitWsMoShortColon:
|
|
// 2 Jan 2018 23:59
|
|
// 02 Jan 2018 23:59
|
|
if p.part1Len == 1 {
|
|
for _, layout := range []string{
|
|
"2 Jan 2006 15:04",
|
|
"2 Jan 2006 15:4",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
}
|
|
|
|
for _, layout := range []string{
|
|
"02 Jan 2006 15:04",
|
|
"02 Jan 2006 15:4",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
case dateDigitWsMoShortColonColon:
|
|
// 02 Jan 2018 23:59:45
|
|
if p.part1Len == 1 {
|
|
for _, layout := range []string{
|
|
"2 Jan 2006 15:04:05",
|
|
"2 Jan 2006 15:04:5",
|
|
"2 Jan 2006 15:4:5",
|
|
"2 Jan 2006 15:4:05",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
}
|
|
for _, layout := range []string{
|
|
"2 Jan 2006 15:04:05",
|
|
"2 Jan 2006 15:04:5",
|
|
"2 Jan 2006 15:4:5",
|
|
"2 Jan 2006 15:4:05",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
|
|
case dateDigitWsMoShortComma:
|
|
// 12 Feb 2006, 19:17
|
|
// 12 Feb 2006, 19:17:22
|
|
for _, layout := range []string{
|
|
"02 Jan 2006, 15:04",
|
|
"02 Jan 2006, 15:4",
|
|
"2 Jan 2006, 15:04",
|
|
"2 Jan 2006, 15:4",
|
|
"02 Jan 2006, 15:04:05",
|
|
"02 Jan 2006, 15:4:05",
|
|
"02 Jan 2006, 15:4:5",
|
|
"02 Jan 2006, 15:04:5",
|
|
"2 Jan 2006, 15:04:05",
|
|
"2 Jan 2006, 15:04:5",
|
|
"2 Jan 2006, 15:4:5",
|
|
"2 Jan 2006, 15:4:05",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
|
|
case dateAlphaWSDigitCommaWsYear:
|
|
// May 8, 2009 5:57:51 PM
|
|
for _, layout := range []string{
|
|
"Jan 2, 2006 3:04:05 PM",
|
|
"Jan 2, 2006 3:4:05 PM",
|
|
"Jan 2, 2006 3:4:5 PM",
|
|
"Jan 2, 2006 3:04:5 PM",
|
|
"Jan 02, 2006 3:04:05 PM",
|
|
"Jan 02, 2006 3:4:05 PM",
|
|
"Jan 02, 2006 3:4:5 PM",
|
|
"Jan 02, 2006 3:04:5 PM",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
case dateAlphaWSAlphaColon:
|
|
// Mon Jan _2 15:04:05 2006
|
|
return parse(time.ANSIC, datestr, loc)
|
|
|
|
case dateAlphaWSAlphaColonOffset:
|
|
// Mon Jan 02 15:04:05 -0700 2006
|
|
return parse(time.RubyDate, datestr, loc)
|
|
|
|
case dateAlphaWSAlphaColonAlpha:
|
|
// Mon Jan _2 15:04:05 MST 2006
|
|
return parse(time.UnixDate, datestr, loc)
|
|
|
|
case dateAlphaWSAlphaColonAlphaOffset:
|
|
// Mon Aug 10 15:44:11 UTC+0100 2015
|
|
return parse("Mon Jan 02 15:04:05 MST-0700 2006", datestr, loc)
|
|
|
|
case dateAlphaWSAlphaColonAlphaOffsetAlpha:
|
|
// Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
|
|
if len(datestr) > len("Mon Jan 02 2006 15:04:05 MST-0700") {
|
|
// What effing time stamp is this?
|
|
// Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
|
|
dateTmp := datestr[:33]
|
|
return parse("Mon Jan 02 2006 15:04:05 MST-0700", dateTmp, loc)
|
|
}
|
|
case dateDigitSlash: // starts digit then slash 02/ (but nothing else)
|
|
// 3/1/2014
|
|
// 10/13/2014
|
|
// 01/02/2006
|
|
// 2014/10/13
|
|
if p.part1Len == 4 {
|
|
if len(datestr) == len("2006/01/02") {
|
|
return parse("2006/01/02", datestr, loc)
|
|
}
|
|
return parse("2006/1/2", datestr, loc)
|
|
}
|
|
for _, parseFormat := range shortDates {
|
|
if t, err := parse(parseFormat, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
|
|
case dateDigitSlashWSColon: // starts digit then slash 02/ more digits/slashes then whitespace
|
|
// 4/8/2014 22:05
|
|
// 04/08/2014 22:05
|
|
// 2014/4/8 22:05
|
|
// 2014/04/08 22:05
|
|
|
|
if p.part1Len == 4 {
|
|
for _, layout := range []string{"2006/01/02 15:04", "2006/1/2 15:04", "2006/01/2 15:04", "2006/1/02 15:04", "2006/01/02 15:4", "2006/1/2 15:4", "2006/01/2 15:4", "2006/1/02 15:4"} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
} else {
|
|
for _, layout := range []string{"01/02/2006 15:4", "01/2/2006 15:4", "1/02/2006 15:4", "1/2/2006 15:4", "1/2/06 15:4", "01/02/06 15:4", "01/02/2006 15:04", "01/2/2006 15:04", "1/02/2006 15:04", "1/2/2006 15:04", "1/2/06 15:04", "01/02/06 15:04"} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
}
|
|
|
|
case dateDigitSlashWSColonAMPM: // starts digit then slash 02/ more digits/slashes then whitespace
|
|
// 4/8/2014 22:05 PM
|
|
// 04/08/2014 22:05 PM
|
|
// 04/08/2014 1:05 PM
|
|
// 2014/4/8 22:05 PM
|
|
// 2014/04/08 22:05 PM
|
|
|
|
if p.part1Len == 4 {
|
|
for _, layout := range []string{"2006/01/02 03:04 PM", "2006/01/2 03:04 PM", "2006/1/02 03:04 PM", "2006/1/2 03:04 PM",
|
|
"2006/01/02 3:04 PM", "2006/01/2 3:04 PM", "2006/1/02 3:04 PM", "2006/1/2 3:04 PM", "2006/01/02 3:4 PM", "2006/01/2 3:4 PM", "2006/1/02 3:4 PM", "2006/1/2 3:4 PM",
|
|
"2006/01/02 3:4 PM", "2006/01/2 3:4 PM", "2006/1/02 3:4 PM", "2006/1/2 3:4 PM"} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
} else {
|
|
for _, layout := range []string{"01/02/2006 03:04 PM", "01/2/2006 03:04 PM", "1/02/2006 03:04 PM", "1/2/2006 03:04 PM",
|
|
"01/02/2006 03:4 PM", "01/2/2006 03:4 PM", "1/02/2006 03:4 PM", "1/2/2006 03:4 PM",
|
|
"01/02/2006 3:04 PM", "01/2/2006 3:04 PM", "1/02/2006 3:04 PM", "1/2/2006 3:04 PM",
|
|
"01/02/2006 3:04 PM", "01/2/2006 3:04 PM", "1/02/2006 3:04 PM", "1/2/2006 3:04 PM",
|
|
"01/02/2006 3:4 PM", "01/2/2006 3:4 PM", "1/02/2006 3:4 PM", "1/2/2006 3:4 PM",
|
|
"01/02/2006 3:4 PM", "01/2/2006 3:4 PM", "1/02/2006 3:4 PM", "1/2/2006 3:4 PM"} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
case dateDigitSlashWSColonColon: // starts digit then slash 02/ more digits/slashes then whitespace double colons
|
|
// 2014/07/10 06:55:38.156283
|
|
// 03/19/2012 10:11:59
|
|
// 3/1/2012 10:11:59
|
|
// 03/1/2012 10:11:59
|
|
// 3/01/2012 10:11:59
|
|
// 4/8/14 22:05
|
|
if p.part1Len == 4 {
|
|
for _, layout := range []string{"2006/01/02 15:04:05", "2006/1/02 15:04:05", "2006/01/2 15:04:05", "2006/1/2 15:04:05",
|
|
"2006/01/02 15:04:5", "2006/1/02 15:04:5", "2006/01/2 15:04:5", "2006/1/2 15:04:5",
|
|
"2006/01/02 15:4:05", "2006/1/02 15:4:05", "2006/01/2 15:4:05", "2006/1/2 15:4:05",
|
|
"2006/01/02 15:4:5", "2006/1/02 15:4:5", "2006/01/2 15:4:5", "2006/1/2 15:4:5"} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
} else {
|
|
for _, layout := range []string{"01/02/2006 15:04:05", "1/02/2006 15:04:05", "01/2/2006 15:04:05", "1/2/2006 15:04:05",
|
|
"01/02/2006 15:4:5", "1/02/2006 15:4:5", "01/2/2006 15:4:5", "1/2/2006 15:4:5",
|
|
"01/02/2006 15:4:05", "1/02/2006 15:4:05", "01/2/2006 15:4:05", "1/2/2006 15:4:05",
|
|
"01/02/2006 15:04:5", "1/02/2006 15:04:5", "01/2/2006 15:04:5", "1/2/2006 15:04:5"} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
}
|
|
|
|
case dateDigitSlashWSColonColonAMPM: // starts digit then slash 02/ more digits/slashes then whitespace double colons
|
|
// 2014/07/10 06:55:38.156283 PM
|
|
// 03/19/2012 10:11:59 PM
|
|
// 3/1/2012 10:11:59 PM
|
|
// 03/1/2012 10:11:59 PM
|
|
// 3/01/2012 10:11:59 PM
|
|
|
|
if p.part1Len == 4 {
|
|
for _, layout := range []string{"2006/01/02 03:04:05 PM", "2006/1/02 03:04:05 PM", "2006/01/2 03:04:05 PM", "2006/1/2 03:04:05 PM",
|
|
"2006/01/02 03:4:5 PM", "2006/1/02 03:4:5 PM", "2006/01/2 03:4:5 PM", "2006/1/2 03:4:5 PM",
|
|
"2006/01/02 03:4:05 PM", "2006/1/02 03:4:05 PM", "2006/01/2 03:4:05 PM", "2006/1/2 03:4:05 PM",
|
|
"2006/01/02 03:04:5 PM", "2006/1/02 03:04:5 PM", "2006/01/2 03:04:5 PM", "2006/1/2 03:04:5 PM",
|
|
|
|
"2006/01/02 3:4:5 PM", "2006/1/02 3:4:5 PM", "2006/01/2 3:4:5 PM", "2006/1/2 3:4:5 PM",
|
|
"2006/01/02 3:4:05 PM", "2006/1/02 3:4:05 PM", "2006/01/2 3:4:05 PM", "2006/1/2 3:4:05 PM",
|
|
"2006/01/02 3:04:5 PM", "2006/1/02 3:04:5 PM", "2006/01/2 3:04:5 PM", "2006/1/2 3:04:5 PM"} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
} else {
|
|
for _, layout := range []string{"01/02/2006 03:04:05 PM", "1/02/2006 03:04:05 PM", "01/2/2006 03:04:05 PM", "1/2/2006 03:04:05 PM",
|
|
"01/02/2006 03:4:05 PM", "1/02/2006 03:4:05 PM", "01/2/2006 03:4:05 PM", "1/2/2006 03:4:05 PM",
|
|
"01/02/2006 03:04:5 PM", "1/02/2006 03:04:5 PM", "01/2/2006 03:04:5 PM", "1/2/2006 03:04:5 PM",
|
|
"01/02/2006 03:4:5 PM", "1/02/2006 03:4:5 PM", "01/2/2006 03:4:5 PM", "1/2/2006 03:4:5 PM",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
}
|
|
case dateDigitChineseYear:
|
|
// dateDigitChineseYear
|
|
// 2014年04月08日
|
|
return parse("2006年01月02日", datestr, loc)
|
|
case dateDigitChineseYearWs:
|
|
return parse("2006年01月02日 15:04:05", datestr, loc)
|
|
case dateWeekdayCommaOffset:
|
|
// Monday, 02 Jan 2006 15:04:05 -0700
|
|
// Monday, 02 Jan 2006 15:04:05 +0100
|
|
for _, layout := range []string{
|
|
"Monday, _2 Jan 2006 15:04:05 -0700",
|
|
"Monday, _2 Jan 2006 15:04:5 -0700",
|
|
"Monday, _2 Jan 2006 15:4:05 -0700",
|
|
"Monday, _2 Jan 2006 15:4:5 -0700",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
|
|
case dateWeekdayCommaDash:
|
|
// Monday, 02-Jan-06 15:04:05 MST
|
|
for _, layout := range []string{
|
|
"Monday, 02-Jan-06 15:04:05 MST",
|
|
"Monday, 02-Jan-06 15:4:05 MST",
|
|
"Monday, 02-Jan-06 15:04:5 MST",
|
|
"Monday, 02-Jan-06 15:4:5 MST",
|
|
"Monday, 2-Jan-06 15:04:05 MST",
|
|
"Monday, 2-Jan-06 15:4:05 MST",
|
|
"Monday, 2-Jan-06 15:4:5 MST",
|
|
"Monday, 2-Jan-06 15:04:5 MST",
|
|
"Monday, 2-Jan-6 15:04:05 MST",
|
|
"Monday, 2-Jan-6 15:4:05 MST",
|
|
"Monday, 2-Jan-6 15:4:5 MST",
|
|
"Monday, 2-Jan-6 15:04:5 MST",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
|
|
case dateWeekdayAbbrevComma: // Starts alpha then comma
|
|
// Mon, 02-Jan-06 15:04:05 MST
|
|
// Mon, 02 Jan 2006 15:04:05 MST
|
|
for _, layout := range []string{
|
|
"Mon, _2 Jan 2006 15:04:05 MST",
|
|
"Mon, _2 Jan 2006 15:04:5 MST",
|
|
"Mon, _2 Jan 2006 15:4:5 MST",
|
|
"Mon, _2 Jan 2006 15:4:05 MST",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
|
|
case dateWeekdayAbbrevCommaDash:
|
|
// Mon, 02-Jan-06 15:04:05 MST
|
|
// Mon, 2-Jan-06 15:04:05 MST
|
|
for _, layout := range []string{
|
|
"Mon, 02-Jan-06 15:04:05 MST",
|
|
"Mon, 02-Jan-06 15:4:05 MST",
|
|
"Mon, 02-Jan-06 15:04:5 MST",
|
|
"Mon, 02-Jan-06 15:4:5 MST",
|
|
"Mon, 2-Jan-06 15:04:05 MST",
|
|
"Mon, 2-Jan-06 15:4:05 MST",
|
|
"Mon, 2-Jan-06 15:4:5 MST",
|
|
"Mon, 2-Jan-06 15:04:5 MST",
|
|
"Mon, 2-Jan-6 15:04:05 MST",
|
|
"Mon, 2-Jan-6 15:4:05 MST",
|
|
"Mon, 2-Jan-6 15:4:5 MST",
|
|
"Mon, 2-Jan-6 15:04:5 MST",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
|
|
case dateWeekdayAbbrevCommaOffset:
|
|
// Mon, 02 Jan 2006 15:04:05 -0700
|
|
// Thu, 13 Jul 2017 08:58:40 +0100
|
|
// RFC1123Z = "Mon, 02 Jan 2006 15:04:05 -0700" // RFC1123 with numeric zone
|
|
//
|
|
// Thu, 4 Jan 2018 17:53:36 +0000
|
|
for _, layout := range []string{
|
|
"Mon, _2 Jan 2006 15:04:05 -0700",
|
|
"Mon, _2 Jan 2006 15:4:05 -0700",
|
|
"Mon, _2 Jan 2006 15:4:5 -0700",
|
|
"Mon, _2 Jan 2006 15:04:5 -0700",
|
|
} {
|
|
if t, err := parse(layout, datestr, loc); err == nil {
|
|
return t, nil
|
|
}
|
|
}
|
|
|
|
case dateWeekdayAbbrevCommaOffsetZone:
|
|
// Tue, 11 Jul 2017 16:28:13 +0200 (CEST)
|
|
if p.part3Len == 1 {
|
|
return parse("Mon, 2 Jan 2006 15:04:05 -0700 (MST)", datestr, loc)
|
|
}
|
|
return parse("Mon, _2 Jan 2006 15:04:05 -0700 (MST)", datestr, loc)
|
|
}
|
|
|
|
u.Warnf("no format for %d %d %s", p.stateDate, p.stateTime, p.datestr)
|
|
|
|
return time.Time{}, fmt.Errorf("Could not find date format for %s", datestr)
|
|
}
|