logl

type BaseLogger interface {
	Log(level Level, vs ...interface{})
	Logf(level Level, format string, vs ...interface{})

	Level() Level
	SetLevel(Level)
}

type FormatText struct {
	HasLevel        bool
	HasDate         bool
	HasTime         bool
	HasMicroseconds bool
	ShieldSpecial   bool // { '\\', '"', '\n', '\r', '\t', '\f' }
}

type FormatWriter struct {
	Writer    io.Writer
	Formatter Formatter
}

type Formatter interface {
	Format(*Record) []byte
}

type Level int

type Logger interface {
	BaseLogger

	Critical(vs ...interface{})
	Error(vs ...interface{})
	Warning(vs ...interface{})
	Info(vs ...interface{})
	Debug(vs ...interface{})
	Trace(vs ...interface{})

	Criticalf(format string, vs ...interface{})
	Errorf(format string, vs ...interface{})
	Warningf(format string, vs ...interface{})
	Infof(format string, vs ...interface{})
	Debugf(format string, vs ...interface{})
	Tracef(format string, vs ...interface{})
}

type Record struct {
	Time    time.Time
	Level   Level
	Message string
}

type RecordWriter interface {
	WriteRecord(*Record) error
}