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62 lines
1.5 KiB
62 lines
1.5 KiB
package internal
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import (
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"fmt"
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"time"
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)
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const (
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dateFormat = "2006-01-02"
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timeFormat = "15:04:05.999999999"
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timetzFormat1 = "15:04:05.999999999-07:00:00"
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timetzFormat2 = "15:04:05.999999999-07:00"
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timetzFormat3 = "15:04:05.999999999-07"
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timestampFormat = "2006-01-02 15:04:05.999999999"
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timestamptzFormat1 = "2006-01-02 15:04:05.999999999-07:00:00"
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timestamptzFormat2 = "2006-01-02 15:04:05.999999999-07:00"
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timestamptzFormat3 = "2006-01-02 15:04:05.999999999-07"
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)
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func ParseTime(s string) (time.Time, error) {
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l := len(s)
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if l >= len("2006-01-02 15:04:05") {
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switch s[10] {
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case ' ':
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if c := s[l-6]; c == '+' || c == '-' {
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return time.Parse(timestamptzFormat2, s)
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}
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if c := s[l-3]; c == '+' || c == '-' {
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return time.Parse(timestamptzFormat3, s)
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}
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if c := s[l-9]; c == '+' || c == '-' {
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return time.Parse(timestamptzFormat1, s)
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}
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return time.ParseInLocation(timestampFormat, s, time.UTC)
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case 'T':
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return time.Parse(time.RFC3339Nano, s)
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}
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}
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if l >= len("15:04:05-07") {
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if c := s[l-6]; c == '+' || c == '-' {
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return time.Parse(timetzFormat2, s)
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}
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if c := s[l-3]; c == '+' || c == '-' {
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return time.Parse(timetzFormat3, s)
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}
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if c := s[l-9]; c == '+' || c == '-' {
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return time.Parse(timetzFormat1, s)
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}
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}
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if l < len("15:04:05") {
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return time.Time{}, fmt.Errorf("bun: can't parse time=%q", s)
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}
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if s[2] == ':' {
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return time.ParseInLocation(timeFormat, s, time.UTC)
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}
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return time.ParseInLocation(dateFormat, s, time.UTC)
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}
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