func main() {
// Default Brush are available for your convenience. You can invoke
// them directly
fmt.Printf("This is %s\n", brush.Red("red"))
// or you can create new ones!
weird := color.NewBrush(color.PurplePaint, color.CyanPaint)
fmt.Printf("This color is %s\n", weird("weird"))
// Create a Style, which has convenience methods
redBg := color.NewStyle(color.RedPaint, color.YellowPaint)
// Style.WithForeground or WithBackground returns a new Style, with the applied
// Paint. Styles are immutable so the original one is left unchanged
greenFg := redBg.WithForeground(color.GreenPaint)
// Style.Brush gives you a Brush that you can invoke directly to colorize strings.
green := greenFg.Brush()
fmt.Printf("This is %s but not really\n", green("kind of green"))
// You can use it with all sorts of things
sout := log.New(os.Stdout, "["+brush.Green("OK").String()+"]\t", log.LstdFlags)
serr := log.New(os.Stderr, "["+brush.Red("OMG").String()+"]\t", log.LstdFlags)
sout.Printf("Everything was going %s until...", brush.Cyan("fine"))
serr.Printf("%s killed %s !!!", brush.Red("Locke"), brush.Blue("Jacob"))
}
func Trace(format string, args ...interface{}) {
if PureMode {
trace(format, args...)
return
}
if !Verbose {
return
}
fmt.Printf("gopm %s %s\n", brush.Blue("TRAC"),
fmt.Sprintf(format, args...))
}
func makeLogMux(conf *Config) (*logMux, error) {
fileVerb, err := getVerbosityLevel(conf.LogFileVerbosity)
if err != nil {
return nil, fmt.Errorf("log file verbosity, %v", err)
}
consoleVerb, err := getVerbosityLevel(conf.ConsoleVerbosity)
if err != nil {
return nil, fmt.Errorf("console verbosity, %v", err)
}
filename := conf.LogFilename
file, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY, 0640)
if os.IsNotExist(err) {
file, err = os.Create(filename)
}
if err != nil {
return nil, fmt.Errorf("opening log file %s, %v", filename, err)
}
debugPfx := fmt.Sprintf("%s%s%s ",
brush.DarkGray("["),
brush.Blue("DEBUG"),
brush.DarkGray("]"))
watchPfx := fmt.Sprintf("%s%s%s ",
brush.DarkGray("["),
brush.DarkCyan("WATCH"),
brush.DarkGray("]"))
infoPfx := fmt.Sprintf(" %s%s%s ",
brush.DarkGray("["),
brush.Green("INFO"),
brush.DarkGray("]"))
warnPfx := fmt.Sprintf(" %s%s%s ",
brush.DarkGray("["),
brush.Yellow("WARN"),
brush.DarkGray("]"))
errPfx := fmt.Sprintf("%s%s%s ",
brush.DarkGray("["),
brush.Red("ERROR"),
brush.DarkGray("]"))
return &logMux{
logFile: file,
debugFile: log.New(file, "[DEBUG] ", log.LstdFlags),
watchFile: log.New(file, "[WATCH] ", log.LstdFlags),
infoFile: log.New(file, " [INFO] ", log.LstdFlags),
warnFile: log.New(file, " [WARN] ", log.LstdFlags),
errorFile: log.New(file, "[ERROR] ", log.LstdFlags),
debugConsole: log.New(os.Stdout, debugPfx, log.LstdFlags),
watchConsole: log.New(os.Stdout, watchPfx, log.LstdFlags),
infoConsole: log.New(os.Stdout, infoPfx, log.LstdFlags),
warnConsole: log.New(os.Stdout, warnPfx, log.LstdFlags),
errorConsole: log.New(os.Stderr, errPfx, log.LstdFlags),
fileVerbose: fileVerb,
consoleVerbose: consoleVerb,
}, nil
}