whatcanGOwrong

go/pkg/mod/golang.org/x/tools@v0.17.0/godoc/page.go

@@ -0,0 +1,58 @@
+// 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
+	SrcPath  string
+	Query    string
+	Body     []byte
+	TreeView bool // page needs to contain treeview related js and css
+
+	// filled in by ServePage
+	SearchBox       bool
+	Playground      bool
+	Version         string
+	GoogleAnalytics 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()
+	page.GoogleAnalytics = p.GoogleAnalytics
+	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),
+		GoogleAnalytics: p.GoogleAnalytics,
+	})
+}