| // Copyright 2012 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // Common Playground functionality. |
| |
| package main |
| |
| import ( |
| "encoding/json" |
| "fmt" |
| "go/format" |
| "net/http" |
| ) |
| |
| // The server that will service compile and share requests. |
| const playgroundBaseURL = "http://play.golang.org" |
| |
| func registerPlaygroundHandlers(mux *http.ServeMux) { |
| if *showPlayground { |
| mux.HandleFunc("/compile", bounceToPlayground) |
| mux.HandleFunc("/share", bounceToPlayground) |
| } else { |
| mux.HandleFunc("/compile", disabledHandler) |
| mux.HandleFunc("/share", disabledHandler) |
| } |
| http.HandleFunc("/fmt", fmtHandler) |
| } |
| |
| type fmtResponse struct { |
| Body string |
| Error string |
| } |
| |
| // fmtHandler takes a Go program in its "body" form value, formats it with |
| // standard gofmt formatting, and writes a fmtResponse as a JSON object. |
| func fmtHandler(w http.ResponseWriter, r *http.Request) { |
| resp := new(fmtResponse) |
| body, err := format.Source([]byte(r.FormValue("body"))) |
| if err != nil { |
| resp.Error = err.Error() |
| } else { |
| resp.Body = string(body) |
| } |
| json.NewEncoder(w).Encode(resp) |
| } |
| |
| // disabledHandler serves a 501 "Not Implemented" response. |
| func disabledHandler(w http.ResponseWriter, r *http.Request) { |
| w.WriteHeader(http.StatusNotImplemented) |
| fmt.Fprint(w, "This functionality is not available via local godoc.") |
| } |