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Parse In Location api

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This commit is contained in:
Aaron Raddon
2017-07-26 16:42:12 -07:00
parent fbbaa2aade
commit 0e522cd409
3 changed files with 164 additions and 85 deletions
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128
parseany.go
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@@ -70,18 +70,40 @@ var (
shortDates = []string{"01/02/2006", "1/2/2006", "06/01/02", "01/02/06", "1/2/06"}
)
// Parse a date, and panic if it can't be parsed
// MustParse Parse a date, and panic if it can't be parsed
func MustParse(datestr string) time.Time {
t, err := ParseAny(datestr)
t, err := parseTime(datestr, nil)
if err != nil {
panic(err.Error())
}
return t
}
// Given an unknown date format, detect the type, parse, return time
// ParseAny Given an unknown date format, detect the layout, parse.
func ParseAny(datestr string) (time.Time, error) {
return parseTime(datestr, nil)
}
// ParseIn Given an unknown date format, detect the layout,
// using given location, parse.
func ParseIn(datestr string, loc *time.Location) (time.Time, error) {
return parseTime(datestr, loc)
}
// ParseLocal Given an unknown date format, detect the layout,
// using time.Local, parse.
func ParseLocal(datestr string) (time.Time, error) {
return parseTime(datestr, time.Local)
}
func parse(layout, datestr string, loc *time.Location) (time.Time, error) {
if loc == nil {
return time.Parse(layout, datestr)
}
return time.ParseInLocation(layout, datestr, loc)
}
func parseTime(datestr string, loc *time.Location) (time.Time, error) {
state := ST_START
firstSlash := 0
@@ -167,7 +189,7 @@ iterRunes:
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 := time.Parse("2006-01-02 03:04:05", datestr[:i])
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 {
@@ -212,7 +234,7 @@ iterRunes:
case ST_DIGITDASHWSWSAMPMMAYBE:
if r == 'M' {
return time.Parse("2006-01-02 03:04:05 PM", datestr)
return parse("2006-01-02 03:04:05 PM", datestr, loc)
}
state = ST_DIGITDASHWSWSALPHA
@@ -369,9 +391,9 @@ iterRunes:
// 12 Feb 2006, 19:17:22
switch {
case len(datestr) == len("02 Jan 2006, 15:04"):
return time.Parse("02 Jan 2006, 15:04", datestr)
return parse("02 Jan 2006, 15:04", datestr, loc)
case len(datestr) == len("02 Jan 2006, 15:04:05"):
return time.Parse("02 Jan 2006, 15:04:05", datestr)
return parse("02 Jan 2006, 15:04:05", datestr, loc)
}
case ST_ALPHA: // starts alpha
// ST_ALPHAWS
@@ -417,7 +439,7 @@ iterRunes:
switch {
case r == '-':
if i < 15 {
return time.Parse("Monday, 02-Jan-06 15:04:05 MST", datestr)
return parse("Monday, 02-Jan-06 15:04:05 MST", datestr, loc)
} else {
state = ST_WEEKDAYCOMMADELTA
}
@@ -435,7 +457,7 @@ iterRunes:
switch {
case r == '-':
if i < 15 {
return time.Parse("Mon, 02-Jan-06 15:04:05 MST", datestr)
return parse("Mon, 02-Jan-06 15:04:05 MST", datestr, loc)
} else {
state = ST_WEEKDAYABBREVCOMMADELTA
}
@@ -468,7 +490,7 @@ iterRunes:
case ST_ALPHAWSDIGITCOMMA: // Starts Alpha, whitespace, digit, comma
// May 8, 2009 5:57:51 PM
return time.Parse("Jan 2, 2006 3:04:05 PM", datestr)
return parse("Jan 2, 2006 3:04:05 PM", datestr, loc)
case ST_ALPHAWSALPHA: // Alpha, whitespace, alpha
// Mon Jan _2 15:04:05 2006
@@ -531,9 +553,9 @@ iterRunes:
return time.Unix(0, miliSecs*1000*1000), nil
}
} else if len(datestr) == len("20140601") {
return time.Parse("20060102", datestr)
return parse("20060102", datestr, loc)
} else if len(datestr) == len("2014") {
return time.Parse("2006", datestr)
return parse("2006", datestr, loc)
} else {
if secs, err := strconv.ParseInt(datestr, 10, 64); err == nil {
return time.Unix(secs, 0), nil
@@ -543,13 +565,13 @@ iterRunes:
// 2006-01-02
// 2006-01
if len(datestr) == len("2014-04-26") {
return time.Parse("2006-01-02", datestr)
return parse("2006-01-02", datestr, loc)
} else if len(datestr) == len("2014-04") {
return time.Parse("2006-01", datestr)
return parse("2006-01", datestr, loc)
}
case ST_DIGITDASHTDELTA:
// 2006-01-02T15:04:05+0000
return time.Parse("2006-01-02T15:04:05-0700", datestr)
return parse("2006-01-02T15:04:05-0700", datestr, loc)
case ST_DIGITDASHTDELTACOLON:
// With another +/- time-zone at end
@@ -561,12 +583,12 @@ iterRunes:
// 2006-01-02T15:04:05.999-07:00
// 2006-01-02T15:04:05+07:00
// 2006-01-02T15:04:05-07:00
return time.Parse("2006-01-02T15:04:05-07:00", datestr)
return parse("2006-01-02T15:04:05-07:00", datestr, loc)
case ST_DIGITDASHT: // starts digit then dash 02- then T
// 2006-01-02T15:04:05.999999
// 2006-01-02T15:04:05.999999
return time.Parse("2006-01-02T15:04:05", datestr)
return parse("2006-01-02T15:04:05", datestr, loc)
case ST_DIGITDASHTZDIGIT:
// With a time-zone at end after Z
@@ -588,50 +610,50 @@ iterRunes:
// 2009-08-12T22:15Z -- No seconds/milliseconds
switch len(datestr) {
case len("2009-08-12T22:15Z"):
return time.Parse("2006-01-02T15:04Z", datestr)
return parse("2006-01-02T15:04Z", datestr, loc)
default:
return time.Parse("2006-01-02T15:04:05Z", datestr)
return parse("2006-01-02T15:04:05Z", datestr, loc)
}
case ST_DIGITDASHWS: // starts digit then dash 02- then whitespace 1 << 2 << 5 + 3
// 2013-04-01 22:43:22
return time.Parse("2006-01-02 15:04:05", datestr)
return parse("2006-01-02 15:04:05", datestr, loc)
case ST_DIGITDASHWSWSOFFSET:
// 2006-01-02 15:04:05 -0700
return time.Parse("2006-01-02 15:04:05 -0700", datestr)
return parse("2006-01-02 15:04:05 -0700", datestr, loc)
case ST_DIGITDASHWSWSOFFSETCOLON:
// 2006-01-02 15:04:05 -07:00
return time.Parse("2006-01-02 15:04:05 -07:00", datestr)
return parse("2006-01-02 15:04:05 -07:00", datestr, loc)
case ST_DIGITDASHWSWSOFFSETALPHA:
// 2015-02-18 00:12:00 +0000 UTC
t, err := time.Parse("2006-01-02 15:04:05 -0700 UTC", datestr)
t, err := parse("2006-01-02 15:04:05 -0700 UTC", datestr, loc)
if err == nil {
return t, nil
}
return time.Parse("2006-01-02 15:04:05 +0000 GMT", datestr)
return parse("2006-01-02 15:04:05 +0000 GMT", datestr, loc)
case ST_DIGITDASHWSWSOFFSETCOLONALPHA:
// 2015-02-18 00:12:00 +00:00 UTC
return time.Parse("2006-01-02 15:04:05 -07:00 UTC", datestr)
return parse("2006-01-02 15:04:05 -07:00 UTC", datestr, loc)
case ST_DIGITDASHWSOFFSET:
// 2017-07-19 03:21:51+00:00
return time.Parse("2006-01-02 15:04:05-07:00", datestr)
return parse("2006-01-02 15:04:05-07:00", datestr, loc)
case ST_DIGITDASHWSWSALPHA:
// 2014-12-16 06:20:00 UTC
t, err := time.Parse("2006-01-02 15:04:05 UTC", datestr)
t, err := parse("2006-01-02 15:04:05 UTC", datestr, loc)
if err == nil {
return t, nil
}
t, err = time.Parse("2006-01-02 15:04:05 GMT", datestr)
t, err = parse("2006-01-02 15:04:05 GMT", datestr, loc)
if err == nil {
return t, nil
}
if len(datestr) > len("2006-01-02 03:04:05") {
t, err = time.Parse("2006-01-02 03:04:05", 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
}
@@ -642,44 +664,44 @@ iterRunes:
// 2014-04-26 17:24:37.3186369
// 2017-01-27 00:07:31.945167
// 2016-03-14 00:00:00.000
return time.Parse("2006-01-02 15:04:05", datestr)
return parse("2006-01-02 15:04:05", datestr, loc)
case ST_DIGITDASHWSDOTALPHA:
// 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 time.Parse("2006-01-02 15:04:05 UTC", datestr)
return parse("2006-01-02 15:04:05 UTC", datestr, loc)
case ST_DIGITDASHWSDOTOFFSET:
// 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 time.Parse("2006-01-02 15:04:05 -0700", datestr)
return parse("2006-01-02 15:04:05 -0700", datestr, loc)
case ST_DIGITDASHWSDOTOFFSETALPHA:
// 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 time.Parse("2006-01-02 15:04:05 -0700 UTC", datestr)
return parse("2006-01-02 15:04:05 -0700 UTC", datestr, loc)
case ST_ALPHAWSALPHACOLON:
// Mon Jan _2 15:04:05 2006
return time.Parse(time.ANSIC, datestr)
return parse(time.ANSIC, datestr, loc)
case ST_ALPHAWSALPHACOLONOFFSET:
// Mon Jan 02 15:04:05 -0700 2006
return time.Parse(time.RubyDate, datestr)
return parse(time.RubyDate, datestr, loc)
case ST_ALPHAWSALPHACOLONALPHA:
// Mon Jan _2 15:04:05 MST 2006
return time.Parse(time.UnixDate, datestr)
return parse(time.UnixDate, datestr, loc)
case ST_ALPHAWSALPHACOLONALPHAOFFSET:
// Mon Aug 10 15:44:11 UTC+0100 2015
return time.Parse("Mon Jan 02 15:04:05 MST-0700 2006", datestr)
return parse("Mon Jan 02 15:04:05 MST-0700 2006", datestr, loc)
case ST_ALPHAWSALPHACOLONALPHAOFFSETALPHA:
// Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
@@ -687,7 +709,7 @@ iterRunes:
// What effing time stamp is this?
// Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
dateTmp := datestr[:33]
return time.Parse("Mon Jan 02 2006 15:04:05 MST-0700", dateTmp)
return parse("Mon Jan 02 2006 15:04:05 MST-0700", dateTmp, loc)
}
case ST_DIGITSLASH: // starts digit then slash 02/ (but nothing else)
// 3/1/2014
@@ -696,13 +718,13 @@ iterRunes:
// 2014/10/13
if firstSlash == 4 {
if len(datestr) == len("2006/01/02") {
return time.Parse("2006/01/02", datestr)
return parse("2006/01/02", datestr, loc)
} else {
return time.Parse("2006/1/2", datestr)
return parse("2006/1/2", datestr, loc)
}
} else {
for _, parseFormat := range shortDates {
if t, err := time.Parse(parseFormat, datestr); err == nil {
if t, err := parse(parseFormat, datestr, loc); err == nil {
return t, nil
}
}
@@ -716,13 +738,13 @@ iterRunes:
if firstSlash == 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"} {
if t, err := time.Parse(layout, datestr); err == nil {
if t, err := parse(layout, datestr, loc); err == nil {
return t, nil
}
}
} else {
for _, layout := range []string{"01/02/2006 15:04", "01/2/2006 15:04", "1/02/2006 15:04", "1/2/2006 15:04"} {
if t, err := time.Parse(layout, datestr); err == nil {
if t, err := parse(layout, datestr, loc); err == nil {
return t, nil
}
}
@@ -738,14 +760,14 @@ iterRunes:
if firstSlash == 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"} {
if t, err := time.Parse(layout, datestr); err == nil {
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 3:04 PM", "01/2/2006 3:04 PM", "1/02/2006 3:04 PM", "1/2/2006 3:04 PM"} {
if t, err := time.Parse(layout, datestr); err == nil {
if t, err := parse(layout, datestr, loc); err == nil {
return t, nil
}
@@ -760,13 +782,13 @@ iterRunes:
// 3/01/2012 10:11:59
if firstSlash == 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"} {
if t, err := time.Parse(layout, datestr); err == nil {
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"} {
if t, err := time.Parse(layout, datestr); err == nil {
if t, err := parse(layout, datestr, loc); err == nil {
return t, nil
}
}
@@ -782,13 +804,13 @@ iterRunes:
if firstSlash == 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 3:04:05 PM", "2006/1/02 3:04:05 PM", "2006/01/2 3:04:05 PM", "2006/1/2 3:04:05 PM"} {
if t, err := time.Parse(layout, datestr); err == nil {
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"} {
if t, err := time.Parse(layout, datestr); err == nil {
if t, err := parse(layout, datestr, loc); err == nil {
return t, nil
}
}
@@ -797,19 +819,19 @@ iterRunes:
case ST_WEEKDAYCOMMADELTA:
// Monday, 02 Jan 2006 15:04:05 -0700
// Monday, 02 Jan 2006 15:04:05 +0100
return time.Parse("Monday, 02 Jan 2006 15:04:05 -0700", datestr)
return parse("Monday, 02 Jan 2006 15:04:05 -0700", datestr, loc)
case ST_WEEKDAYABBREVCOMMA: // Starts alpha then comma
// Mon, 02-Jan-06 15:04:05 MST
// Mon, 02 Jan 2006 15:04:05 MST
return time.Parse("Mon, 02 Jan 2006 15:04:05 MST", datestr)
return parse("Mon, 02 Jan 2006 15:04:05 MST", datestr, loc)
case ST_WEEKDAYABBREVCOMMADELTA:
// 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
return time.Parse("Mon, 02 Jan 2006 15:04:05 -0700", datestr)
return parse("Mon, 02 Jan 2006 15:04:05 -0700", datestr, loc)
case ST_WEEKDAYABBREVCOMMADELTAZONE:
// Tue, 11 Jul 2017 16:28:13 +0200 (CEST)
return time.Parse("Mon, 02 Jan 2006 15:04:05 -0700 (CEST)", datestr)
return parse("Mon, 02 Jan 2006 15:04:05 -0700 (CEST)", datestr, loc)
}
return time.Time{}, fmt.Errorf("Could not find date format for %s", datestr)