57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
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package lib
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import (
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"fmt"
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"strconv"
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"time"
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)
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// Duration is a TOML datatype
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// A duration string is a possibly signed sequence of
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// decimal numbers and a unit suffix,
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// such as "300s", "1.5h" or "5d".
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// Valid time units are "s", "m", "h", "d", "w".
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type Duration struct {
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time.Duration
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}
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// UnmarshalTOML parses a duration string.
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func (d *Duration) UnmarshalTOML(dataInterface interface{}) error {
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var data string
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switch dataInterface.(type) {
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case string:
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data = dataInterface.(string)
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default:
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return fmt.Errorf("invalid duration: \"%s\"", dataInterface)
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}
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// " + int + unit + "
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if len(data) < 2 {
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return fmt.Errorf("invalid duration: \"%s\"", data)
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}
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unit := data[len(data)-1]
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value, err := strconv.Atoi(string(data[:len(data)-1]))
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if err != nil {
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return fmt.Errorf("unable to parse duration %s: %s", data, err)
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}
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switch unit {
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case 's':
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d.Duration = time.Duration(value) * time.Second
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case 'm':
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d.Duration = time.Duration(value) * time.Minute
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case 'h':
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d.Duration = time.Duration(value) * time.Hour
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case 'd':
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d.Duration = time.Duration(value) * time.Hour * 24
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case 'w':
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d.Duration = time.Duration(value) * time.Hour * 24 * 7
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case 'y':
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d.Duration = time.Duration(value) * time.Hour * 24 * 365
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default:
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return fmt.Errorf("invalid duration unit: %s", string(unit))
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}
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return nil
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}
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