// Copyright 2013 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.
// This file contains the handlers that serve go-import redirects for Go
// sub-repositories. It specifies the mapping from import paths like
// "golang.org/x/tools" to the actual repository locations.
package main
import (
"html/template"
"log"
"net/http"
"strings"
)
const xPrefix = "/x/"
var xMap = map[string]string{
"benchmarks": "https://code.google.com/p/go.benchmarks",
"blog": "https://code.google.com/p/go.blog",
"codereview": "https://code.google.com/p/go.codereview",
"crypto": "https://code.google.com/p/go.crypto",
"exp": "https://code.google.com/p/go.exp",
"image": "https://code.google.com/p/go.image",
"mobile": "https://code.google.com/p/go.mobile",
"net": "https://code.google.com/p/go.net",
"sys": "https://code.google.com/p/go.sys",
"talks": "https://code.google.com/p/go.talks",
"text": "https://code.google.com/p/go.text",
"tools": "https://code.google.com/p/go.tools",
}
func init() {
http.HandleFunc(xPrefix, xHandler)
}
func xHandler(w http.ResponseWriter, r *http.Request) {
head, tail := strings.TrimPrefix(r.URL.Path, xPrefix), ""
if i := strings.Index(head, "/"); i != -1 {
head, tail = head[:i], head[i:]
}
repo, ok := xMap[head]
if !ok {
http.NotFound(w, r)
return
}
data := struct {
Prefix, Head, Tail, Repo string
}{xPrefix, head, tail, repo}
if err := xTemplate.Execute(w, data); err != nil {
log.Println("xHandler:", err)
}
}
var xTemplate = template.Must(template.New("x").Parse(`
Nothing to see here; move along.
`))