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level.go
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level.go
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package logger
import "fmt"
// Level defines the logging level.
type Level int
const (
// LevelUnknown is an unknown level.
LevelUnknown Level = iota - 1
// LevelDisabled means the logging is disabled and no messages will be logged.
LevelDisabled
// LevelError means only error messages will be logged.
LevelError
// LevelWarn means only warning, error and trace messages will be logged.
LevelWarn
// LevelInfo means only info, warning, error and trace messages will be
// logged.
LevelInfo
// LevelDebug means debug, info, warning, error and trace messages will be
// logged.
LevelDebug
// LevelTrace means all messages will be logged.
LevelTrace
)
const (
LevelDisabledString = "disabled"
LevelErrorString = "error"
LevelWarnString = "warn"
LevelInfoString = "info"
LevelDebugString = "debug"
LevelTraceString = "trace"
)
// String returns a string representation of Level.
func (l Level) String() string {
switch l {
case LevelError:
return LevelErrorString
case LevelWarn:
return LevelWarnString
case LevelInfo:
return LevelInfoString
case LevelDebug:
return LevelDebugString
case LevelTrace:
return LevelTraceString
case LevelDisabled:
return LevelDisabledString
case LevelUnknown:
fallthrough
default:
return fmt.Sprintf("Unknown(%d)", l)
}
}
func LevelFromString(str string) (Level, bool) {
switch str {
case LevelErrorString:
return LevelError, true
case LevelWarnString:
return LevelWarn, true
case LevelInfoString:
return LevelInfo, true
case LevelDebugString:
return LevelDebug, true
case LevelTraceString:
return LevelTrace, true
case LevelDisabledString:
return LevelDisabled, true
default:
return LevelUnknown, false
}
}
// LevelForNamespace implements Config. When a Level is passed as a config,
// all namespaces will have the same log level.
func (l Level) LevelForNamespace(_ string) Level {
return l
}