log

type ColorScheme struct {
	InfoLevel  renderFunc
	WarnLevel  renderFunc
	ErrorLevel renderFunc
	FatalLevel renderFunc
	PanicLevel renderFunc
	DebugLevel renderFunc
	TraceLevel renderFunc
	Prefix     renderFunc
	Timestamp  renderFunc
}

type Logger interface {
	Trace(a ...interface{})
	Tracef(format string, a ...interface{})
	Debug(a ...interface{})
	Debugf(format string, a ...interface{})
	Info(a ...interface{})
	Infof(format string, a ...interface{})
	Warn(a ...interface{})
	Warnf(format string, a ...interface{})
	Warning(a ...interface{})
	Warningf(format string, a ...interface{})
	Error(a ...interface{})
	Errorf(format string, a ...interface{})
	Fatal(a ...interface{})
	Fatalf(format string, a ...interface{})
	SetOutput(w io.Writer)

	// Clone provides a semantic copy of the current instance of the Logger such
	// that it can be used independently but with the same configuration.  This
	// may useful for sub-processes.
	Clone() Logger

	// Output returns the io.Writer used in the Logger's underlying implementation
	Output() io.Writer

	// Level returns the current log level
	Level() string
}

type LoggerType uint

type TextFormatter struct {
	// Set to true to bypass checking for a TTY before outputting colors.
	ForceColors bool

	// Force disabling colors. For a TTY colors are enabled by default.
	DisableColors bool

	// Force formatted layout, even for non-TTY output.
	ForceFormatting bool

	// Disable timestamp logging. useful when output is redirected to logging
	// system that already adds timestamps.
	DisableTimestamp bool

	// Enable logging the full timestamp when a TTY is attached instead of just
	// the time passed since beginning of execution.
	FullTimestamp bool

	// Timestamp format to use for display when a full timestamp is printed.
	TimestampFormat string

	// The fields are sorted by default for a consistent output. For applications
	// that log extremely frequently and don't use the JSON formatter this may not
	// be desired.
	DisableSorting bool

	// Wrap empty fields in quotes if true.
	QuoteEmptyFields bool

	// Can be set to the override the default quoting character "
	// with something else. For example: ', or `.
	QuoteCharacter string

	// Pad msg field with spaces on the right for display.
	// The value for this parameter will be the size of padding.
	// Its default value is zero, which means no padding will be applied for msg.
	SpacePadding int

	sync.Once
	// contains filtered or unexported fields
}