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82 lines
2.2 KiB
82 lines
2.2 KiB
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build appengine
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package main
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// This file replaces main.go when running godoc under app-engine.
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// See README.godoc-app for details.
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import (
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"archive/zip"
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"log"
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"net/http"
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"path"
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"regexp"
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"golang.org/x/tools/godoc"
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"golang.org/x/tools/godoc/dl"
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"golang.org/x/tools/godoc/proxy"
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"golang.org/x/tools/godoc/short"
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"golang.org/x/tools/godoc/static"
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"golang.org/x/tools/godoc/vfs"
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"golang.org/x/tools/godoc/vfs/mapfs"
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"golang.org/x/tools/godoc/vfs/zipfs"
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"google.golang.org/appengine"
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)
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func init() {
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enforceHosts = !appengine.IsDevAppServer()
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playEnabled = true
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log.Println("initializing godoc ...")
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log.Printf(".zip file = %s", zipFilename)
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log.Printf(".zip GOROOT = %s", zipGoroot)
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log.Printf("index files = %s", indexFilenames)
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goroot := path.Join("/", zipGoroot) // fsHttp paths are relative to '/'
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// read .zip file and set up file systems
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const zipfile = zipFilename
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rc, err := zip.OpenReader(zipfile)
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if err != nil {
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log.Fatalf("%s: %s\n", zipfile, err)
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}
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// rc is never closed (app running forever)
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fs.Bind("/", zipfs.New(rc, zipFilename), goroot, vfs.BindReplace)
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fs.Bind("/lib/godoc", mapfs.New(static.Files), "/", vfs.BindReplace)
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corpus := godoc.NewCorpus(fs)
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corpus.Verbose = false
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corpus.MaxResults = 10000 // matches flag default in main.go
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corpus.IndexEnabled = true
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corpus.IndexFiles = indexFilenames
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if err := corpus.Init(); err != nil {
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log.Fatal(err)
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}
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corpus.IndexDirectory = indexDirectoryDefault
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go corpus.RunIndexer()
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pres = godoc.NewPresentation(corpus)
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pres.TabWidth = 8
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pres.ShowPlayground = true
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pres.ShowExamples = true
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pres.DeclLinks = true
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pres.NotesRx = regexp.MustCompile("BUG")
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readTemplates(pres, true)
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mux := registerHandlers(pres)
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dl.RegisterHandlers(mux)
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short.RegisterHandlers(mux)
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// Register /compile and /share handlers against the default serve mux
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// so that other app modules can make plain HTTP requests to those
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// hosts. (For reasons, HTTPS communication between modules is broken.)
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proxy.RegisterHandlers(http.DefaultServeMux)
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log.Println("godoc initialization complete")
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}
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