1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
package log
import (
"errors"
"fmt"
"math"
"strings"
)
// Level is a logging level.
type Level int32
const (
// DebugLevel is the debug level.
DebugLevel Level = -4
// InfoLevel is the info level.
InfoLevel Level = 0
// WarnLevel is the warn level.
WarnLevel Level = 4
// ErrorLevel is the error level.
ErrorLevel Level = 8
// FatalLevel is the fatal level.
FatalLevel Level = 12
// noLevel is used with log.Print.
noLevel Level = math.MaxInt32
)
// String returns the string representation of the level.
func (l Level) String() string {
switch l {
case DebugLevel:
return "debug"
case InfoLevel:
return "info"
case WarnLevel:
return "warn"
case ErrorLevel:
return "error"
case FatalLevel:
return "fatal"
default:
return ""
}
}
// ErrInvalidLevel is an error returned when parsing an invalid level string.
var ErrInvalidLevel = errors.New("invalid level")
// ParseLevel converts level in string to Level type. Default level is InfoLevel.
func ParseLevel(level string) (Level, error) {
switch strings.ToLower(level) {
case DebugLevel.String():
return DebugLevel, nil
case InfoLevel.String():
return InfoLevel, nil
case WarnLevel.String():
return WarnLevel, nil
case ErrorLevel.String():
return ErrorLevel, nil
case FatalLevel.String():
return FatalLevel, nil
default:
return 0, fmt.Errorf("%w: %q", ErrInvalidLevel, level)
}
}
|
