83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
package time
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import (
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"encoding/json"
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"fmt"
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"time"
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)
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type Duration int64
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func ParseDuration(s string) (time.Duration, error) {
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if s == "" {
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return 0, fmt.Errorf(`time: invalid duration "` + s + `"`)
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}
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//var sb strings.Builder
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/*
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for i, r := range s {
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switch r {
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case 'd':
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n, err := strconv.Atoi(s[idx:i])
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if err != nil {
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return 0, errors.New("time: invalid duration " + s)
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}
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s[idx:i] = fmt.Sprintf("%d", n*24)
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default:
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sb.WriteRune(r)
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}
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}
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*/
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var td time.Duration
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var err error
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switch s[len(s)-1] {
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case 's', 'm', 'h':
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td, err = time.ParseDuration(s)
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case 'd':
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if td, err = time.ParseDuration(s[:len(s)-1] + "h"); err == nil {
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td *= 24
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}
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case 'y':
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if td, err = time.ParseDuration(s[:len(s)-1] + "h"); err == nil {
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year := time.Date(time.Now().Year(), time.December, 31, 0, 0, 0, 0, time.Local)
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days := year.YearDay()
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td *= 24 * time.Duration(days)
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}
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}
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return td, err
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}
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func (d Duration) MarshalJSON() ([]byte, error) {
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return json.Marshal(time.Duration(d).String())
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}
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func (d *Duration) UnmarshalJSON(b []byte) error {
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var v interface{}
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if err := json.Unmarshal(b, &v); err != nil {
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return err
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}
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switch value := v.(type) {
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case float64:
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*d = Duration(time.Duration(value))
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return nil
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case string:
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dv, err := time.ParseDuration(value)
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if err != nil {
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return err
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}
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*d = Duration(dv)
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return nil
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default:
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return fmt.Errorf("invalid duration")
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}
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}
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/*
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func (d Duration) MarshalYAML() (interface{}, error) {
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return nil, nil
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}
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func (d Duration) UnmarshalYAML(fn func(interface{}) error) error
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*/
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