1 files changed, 52 insertions, 0 deletions
diff --git a/src/cmd/godoc/play.go b/src/cmd/godoc/play.go
new file mode 100644
index 000000000..47a11f6c0
--- /dev/null
+++ b/src/cmd/godoc/play.go
@@ -0,0 +1,52 @@
+// 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.")
+}