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package level
import (
"encoding"
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"encoding/json"
"strings"
)
//go:generate stringer -type=Level -linecomment
var (
_ json.Marshaler = Level(0)
_ json.Unmarshaler = (*Level)(nil)
_ encoding.TextMarshaler = Level(0)
_ encoding.TextUnmarshaler = (*Level)(nil)
_ encoding.BinaryMarshaler = Level(0)
_ encoding.BinaryUnmarshaler = (*Level)(nil)
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)
// Level log.
type Level uint32
// available log levels.
const (
Emergency Level = iota // emerg
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Alert // alert
Critical // crit
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Error // error
Warning // warning
Notice // notice
Info // info
Debug // debug
)
func (l Level) Is(level Level) bool {
return level == l
}
func (l Level) Enabled(level Level) bool {
return l <= level
}
func (l Level) MarshalJSON() ([]byte, error) {
return []byte("\"" + l.String() + "\""), nil
}
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func (l *Level) UnmarshalJSON(in []byte) error {
lvl := Parse(string(in[1 : len(in)-1]))
*l = lvl
return nil
}
func (l Level) MarshalText() ([]byte, error) {
return []byte(l.String()), nil
}
func (l *Level) UnmarshalText(in []byte) error {
lvl := Parse(string(in))
*l = lvl
return nil
}
func (l Level) MarshalBinary() ([]byte, error) {
return []byte(l.String()), nil
}
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func (l *Level) UnmarshalBinary(in []byte) error {
lvl := Parse(string(in))
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*l = lvl
return nil
}
func Parse(lvl string) Level {
switch strings.ToLower(lvl) {
case "debug", "Debug", "DEBUG":
return Debug
case "info", "Info", "INFO":
return Info
case "notice", "Notice", "NOTICE":
return Notice
case "warning", "Warning", "WARNING", "warm", "Warm", "WARN":
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return Warning
case "error", "Error", "ERROR", "err", "Err", "ERR":
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return Error
case "critical", "Critical", "CRITICAL", "crit", "Crit", "CRIT":
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return Critical
case "alert", "Alert", "ALERT":
return Alert
default:
return Emergency
}
}