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// Copyright 2009 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.
package godoc
import (
"net/http"
"os"
"path/filepath"
"runtime"
)
// Page describes the contents of the top-level godoc webpage.
type Page struct {
Title string
Tabtitle string
Subtitle string
Query string
Body []byte
Share bool
// filled in by servePage
SearchBox bool
Playground bool
Version string
}
func (p *Presentation) ServePage(w http.ResponseWriter, page Page) {
if page.Tabtitle == "" {
page.Tabtitle = page.Title
}
page.SearchBox = p.Corpus.IndexEnabled
page.Playground = p.ShowPlayground
page.Version = runtime.Version()
applyTemplateToResponseWriter(w, p.GodocHTML, page)
}
func (p *Presentation) ServeError(w http.ResponseWriter, r *http.Request, relpath string, err error) {
w.WriteHeader(http.StatusNotFound)
if perr, ok := err.(*os.PathError); ok {
rel, err := filepath.Rel(runtime.GOROOT(), perr.Path)
if err != nil {
perr.Path = "REDACTED"
} else {
perr.Path = filepath.Join("$GOROOT", rel)
}
}
p.ServePage(w, Page{
Title: "File " + relpath,
Subtitle: relpath,
Body: applyTemplate(p.ErrorHTML, "errorHTML", err),
Share: allowShare(r),
})
}
var onAppengine = false // overriden in appengine.go when on app engine
func allowShare(r *http.Request) bool {
if !onAppengine {
return true
}
switch r.Header.Get("X-AppEngine-Country") {
case "", "ZZ", "CN":
return false
}
return true
}
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