41 lines
815 B
Go
41 lines
815 B
Go
package meta
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import (
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"regexp"
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"strconv"
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"strings"
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"time"
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)
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var DurationSecondsRegexp = regexp.MustCompile("[0-9\\.]+")
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// StringToDuration converts a metadata string to a valid duration.
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func StringToDuration(s string) (d time.Duration) {
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if s == "" {
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return d
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}
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s = strings.TrimSpace(s)
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if s == "" {
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return d
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}
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sec := DurationSecondsRegexp.FindAllString(s, -1)
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if len(sec) == 1 {
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secFloat, _ := strconv.ParseFloat(sec[0], 64)
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d = time.Duration(secFloat) * time.Second
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} else if n := strings.Split(s, ":"); len(n) == 3 {
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h, _ := strconv.Atoi(n[0])
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m, _ := strconv.Atoi(n[1])
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s, _ := strconv.Atoi(n[2])
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d = time.Duration(h)*time.Hour + time.Duration(m)*time.Minute + time.Duration(s)*time.Second
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} else if pd, err := time.ParseDuration(s); err != nil {
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d = pd
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}
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return d
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}
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