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duration.go
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duration.go
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package types
import (
"encoding/json"
"strconv"
"time"
)
// Duration is a custom type suitable for parsing duration values.
// It supports `time.ParseDuration`-compatible values and suffix-less digits; in
// the latter case, seconds are assumed.
type Duration time.Duration
// Set sets the duration from the given string value.
func (d *Duration) Set(s string) error {
if v, err := strconv.ParseInt(s, 10, 64); err == nil {
*d = Duration(time.Duration(v) * time.Second)
return nil
}
v, err := time.ParseDuration(s)
*d = Duration(v)
return err
}
// String returns a string representation of the duration value.
func (d Duration) String() string { return (time.Duration)(d).String() }
// MarshalText serialize the given duration value into a text.
func (d Duration) MarshalText() ([]byte, error) {
return []byte(d.String()), nil
}
// UnmarshalText deserializes the given text into a duration value.
// It is meant to support TOML decoding of durations.
func (d *Duration) UnmarshalText(text []byte) error {
return d.Set(string(text))
}
// MarshalJSON serializes the given duration value.
func (d Duration) MarshalJSON() ([]byte, error) {
return json.Marshal(time.Duration(d))
}
// UnmarshalJSON deserializes the given text into a duration value.
func (d *Duration) UnmarshalJSON(text []byte) error {
if v, err := strconv.ParseInt(string(text), 10, 64); err == nil {
*d = Duration(time.Duration(v))
return nil
}
// We use json unmarshal on value because we have the quoted version
var value string
err := json.Unmarshal(text, &value)
if err != nil {
return err
}
v, err := time.ParseDuration(value)
*d = Duration(v)
return err
}