func webservice(listen string) {
http.HandleFunc("/terminal", func(w http.ResponseWriter, r *http.Request) {
input, err := ioutil.ReadAll(r.Body)
check("could not read from HTTP stream", err)
w.Write(wrapPreview(terminal.Render(input)))
})
log.Printf("Listening on %s", listen)
log.Fatal(http.ListenAndServe(listen, nil))
}
func stdin() {
var input []byte
var err error
if len(flag.Arg(0)) > 0 {
input, err = ioutil.ReadFile(flag.Arg(0))
check(fmt.Sprintf("could not read %s", flag.Arg(0)), err)
} else {
input, err = ioutil.ReadAll(os.Stdin)
check("could not read stdin", err)
}
fmt.Printf("%s", wrapPreview(terminal.Render(input)))
}
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)
}
}