func main() { if _, err := flags.Parse(&opts); err == nil { sapin := sapin.NewSapin(opts.Size) if opts.Star { sapin.AddStar() } sapin.AddBalls(opts.Balls) sapin.AddGarlands(opts.Garlands) if opts.Emoji { sapin.Emojize() } if opts.Color { sapin.ColorOpts = "bh" sapin.Colorize() } if opts.Presents { sapin.AddPresents() } fmt.Print(sapin.String()) os.Exit(0) } os.Exit(1) }
func main() { sapin.NewSapin(5) }
func handler(w http.ResponseWriter, r *http.Request) { // extract query from url u, err := url.Parse(r.URL.String()) if err != nil { fmt.Fprintf(w, "URL error: %v:\n", err) return } // parse query m, err := url.ParseQuery(u.RawQuery) if err != nil { fmt.Fprintf(w, "URL query error: %v:\n", err) return } // check if no arguments if len(m) == 0 { http.Redirect(w, r, "?size=5&balls=4&star=true&emoji=false&color=false&presents=true&garlands=5", http.StatusFound) } // unmarshal arguments opts := Options{} decoder := schema.NewDecoder() err = decoder.Decode(&opts, m) if err != nil { fmt.Fprintf(w, "Parameters error: %v:\n", err) return } // check size argument if opts.Size > 10 { fmt.Fprintf(w, "Max size is: 10\n") return } if opts.Size < 0 { fmt.Fprintf(w, "Min size is: 0\n") return } if opts.Balls < 0 { fmt.Fprintf(w, "Min value for balls is 0\n") return } if opts.Balls > 100 { fmt.Fprintf(w, "Max value for balls is 100\n") return } if opts.Garlands < 0 { fmt.Fprintf(w, "Min value for garlands is 0\n") return } if opts.Garlands > 50 { fmt.Fprintf(w, "Max value for garlands is 50\n") return } sapin := sapin.NewSapin(opts.Size) if opts.Star { sapin.AddStar() } sapin.AddBalls(opts.Balls) sapin.AddGarlands(opts.Garlands) if opts.Emoji { sapin.Emojize() } if opts.Color { w.Header().Set("Content-Type", "text/html") sapin.Colorize() if opts.Presents { sapin.AddPresents() } coloredOutput := string(terminal.Render([]byte(sapin.String()))) html := strings.Replace(htmlTemplate, "CONTENT", coloredOutput, 1) fmt.Fprint(w, html) } else { w.Header().Set("Content-Type", "text/plain; charset=utf-8") if opts.Presents { sapin.AddPresents() } fmt.Fprintf(w, "%s\n", sapin) } }