Exemple #1
0
func main() {
	flag.Usage = usage
	flag.Parse()

	// Check usage
	if flag.NArg() == 0 {
		usage()
	}

	// use file system of underlying OS
	fs.Bind("/", vfs.OS(*goroot), "/", vfs.BindReplace)

	// Bind $GOPATH trees into Go root.
	for _, p := range filepath.SplitList(build.Default.GOPATH) {
		fs.Bind("/src/pkg", vfs.OS(p), "/src", vfs.BindAfter)
	}

	corpus := godoc.NewCorpus(fs)
	corpus.Verbose = *verbose

	pres = godoc.NewPresentation(corpus)
	pres.TabWidth = *tabWidth
	pres.ShowTimestamps = *showTimestamps
	pres.ShowPlayground = *showPlayground
	pres.ShowExamples = *showExamples
	pres.DeclLinks = *declLinks
	pres.SrcMode = false
	pres.HTMLMode = false

	readTemplates(pres, false)

	if err := godoc.CommandLine(os.Stdout, fs, pres, flag.Args()); err != nil {
		log.Print(err)
	}
}
Exemple #2
0
func init() {
	enforceHosts = !appengine.IsDevAppServer()
	playEnabled = true

	log.Println("initializing godoc ...")
	log.Printf(".zip file   = %s", zipFilename)
	log.Printf(".zip GOROOT = %s", zipGoroot)
	log.Printf("index files = %s", indexFilenames)

	goroot := path.Join("/", zipGoroot) // fsHttp paths are relative to '/'

	// read .zip file and set up file systems
	const zipfile = zipFilename
	rc, err := zip.OpenReader(zipfile)
	if err != nil {
		log.Fatalf("%s: %s\n", zipfile, err)
	}
	// rc is never closed (app running forever)
	fs.Bind("/", zipfs.New(rc, zipFilename), goroot, vfs.BindReplace)
	fs.Bind("/lib/godoc", mapfs.New(static.Files), "/", vfs.BindReplace)

	corpus := godoc.NewCorpus(fs)
	corpus.Verbose = false
	corpus.MaxResults = 10000 // matches flag default in main.go
	corpus.IndexEnabled = true
	corpus.IndexFiles = indexFilenames
	if err := corpus.Init(); err != nil {
		log.Fatal(err)
	}
	corpus.IndexDirectory = indexDirectoryDefault
	go corpus.RunIndexer()

	pres = godoc.NewPresentation(corpus)
	pres.TabWidth = 8
	pres.ShowPlayground = true
	pres.ShowExamples = true
	pres.DeclLinks = true
	pres.NotesRx = regexp.MustCompile("BUG")

	readTemplates(pres, true)

	mux := registerHandlers(pres)
	dl.RegisterHandlers(mux)
	short.RegisterHandlers(mux)

	// Register /compile and /share handlers against the default serve mux
	// so that other app modules can make plain HTTP requests to those
	// hosts. (For reasons, HTTPS communication between modules is broken.)
	proxy.RegisterHandlers(http.DefaultServeMux)

	log.Println("godoc initialization complete")
}
Exemple #3
0
func registerHandlers() {
	corpus = godoc.NewCorpus(fs)
	corpus.MaxResults = 100
	if err := corpus.Init(); err != nil {
		panic(err)
	}

	/*
		// TODO: enable indexing and analysis.
		// Currently indexing consumes a lot of memory that mobile devices cannot tolerate.
		// Static analysis does not handle the current unusual GOROOT setup.
		corpus.IndexEnabled = true
		corpus.IndexDirectory = func(dir string) bool {
			return dir != "/pkg" && !strings.HasPrefix(dir, "/pkg/")
		}
		corpus.IndexInterval = -1
		go corpus.RunIndexer()
		go analysis.Run(true, &corpus.Analysis)
	*/

	// presentation
	pres = godoc.NewPresentation(corpus)
	pres.TabWidth = tabWidth
	pres.ShowTimestamps = false
	pres.ShowExamples = true
	pres.DeclLinks = true
	pres.HTMLMode = true
	pres.PackageText = readTemplate("package.txt")
	pres.SearchText = readTemplate("search.txt")
	pres.CallGraphHTML = readTemplate("callgraph.html")
	pres.DirlistHTML = readTemplate("dirlist.html")
	pres.ErrorHTML = readTemplate("error.html")
	pres.ExampleHTML = readTemplate("example.html")
	pres.GodocHTML = readTemplate("godoc.html")
	pres.ImplementsHTML = readTemplate("implements.html")
	pres.MethodSetHTML = readTemplate("methodset.html")
	pres.PackageHTML = readTemplate("package.html")
	pres.SearchHTML = readTemplate("search.html")
	pres.SearchDocHTML = readTemplate("searchdoc.html")
	pres.SearchCodeHTML = readTemplate("searchcode.html")
	pres.SearchTxtHTML = readTemplate("searchtxt.html")
	pres.SearchDescXML = readTemplate("opensearch.xml")

	// handlers
	http.Handle("/doc/play/", pres.FileServer())
	http.Handle("/robots.txt", pres.FileServer()) // do we care?
	http.Handle("/", pres)
	http.Handle("/pkg/C/", redirect.Handler("/cmd/cgo/"))

	redirect.Register(nil)
}
Exemple #4
0
func init() {
	playEnabled = true

	log.Println("initializing godoc ...")
	log.Printf(".zip file   = %s", zipFilename)
	log.Printf(".zip GOROOT = %s", zipGoroot)
	log.Printf("index files = %s", indexFilenames)

	goroot := path.Join("/", zipGoroot) // fsHttp paths are relative to '/'

	// read .zip file and set up file systems
	const zipfile = zipFilename
	rc, err := zip.OpenReader(zipfile)
	if err != nil {
		log.Fatalf("%s: %s\n", zipfile, err)
	}
	// rc is never closed (app running forever)
	fs.Bind("/", zipfs.New(rc, zipFilename), goroot, vfs.BindReplace)
	fs.Bind("/lib/godoc", mapfs.New(static.Files), "/", vfs.BindReplace)

	corpus := godoc.NewCorpus(fs)
	corpus.Verbose = false
	corpus.MaxResults = 10000 // matches flag default in main.go
	corpus.IndexEnabled = true
	corpus.IndexFiles = indexFilenames
	if err := corpus.Init(); err != nil {
		log.Fatal(err)
	}
	corpus.IndexDirectory = indexDirectoryDefault
	go corpus.RunIndexer()

	pres = godoc.NewPresentation(corpus)
	pres.TabWidth = 8
	pres.ShowPlayground = true
	pres.ShowExamples = true
	pres.DeclLinks = true
	pres.NotesRx = regexp.MustCompile("BUG")

	readTemplates(pres, true)
	registerHandlers(pres)

	log.Println("godoc initialization complete")
}
Exemple #5
0
func main() {
	flag.Usage = usage
	flag.Parse()

	playEnabled = *showPlayground

	// Check usage: either server and no args, command line and args, or index creation mode
	if (*httpAddr != "" || *urlFlag != "") != (flag.NArg() == 0) && !*writeIndex {
		usage()
	}

	var fsGate chan bool
	fsGate = make(chan bool, 20)

	// Determine file system to use.
	if *zipfile == "" {
		// use file system of underlying OS
		rootfs := gatefs.New(vfs.OS(*goroot), fsGate)
		fs.Bind("/", rootfs, "/", vfs.BindReplace)
	} else {
		// use file system specified via .zip file (path separator must be '/')
		rc, err := zip.OpenReader(*zipfile)
		if err != nil {
			log.Fatalf("%s: %s\n", *zipfile, err)
		}
		defer rc.Close() // be nice (e.g., -writeIndex mode)
		fs.Bind("/", zipfs.New(rc, *zipfile), *goroot, vfs.BindReplace)
	}
	if *templateDir != "" {
		fs.Bind("/lib/godoc", vfs.OS(*templateDir), "/", vfs.BindBefore)
	} else {
		fs.Bind("/lib/godoc", mapfs.New(static.Files), "/", vfs.BindReplace)
	}

	// Bind $GOPATH trees into Go root.
	for _, p := range filepath.SplitList(build.Default.GOPATH) {
		fs.Bind("/src", gatefs.New(vfs.OS(p), fsGate), "/src", vfs.BindAfter)
	}

	httpMode := *httpAddr != ""

	var typeAnalysis, pointerAnalysis bool
	if *analysisFlag != "" {
		for _, a := range strings.Split(*analysisFlag, ",") {
			switch a {
			case "type":
				typeAnalysis = true
			case "pointer":
				pointerAnalysis = true
			default:
				log.Fatalf("unknown analysis: %s", a)
			}
		}
	}

	corpus := godoc.NewCorpus(fs)
	corpus.Verbose = *verbose
	corpus.MaxResults = *maxResults
	corpus.IndexEnabled = *indexEnabled && httpMode
	if *maxResults == 0 {
		corpus.IndexFullText = false
	}
	corpus.IndexFiles = *indexFiles
	corpus.IndexDirectory = indexDirectoryDefault
	corpus.IndexThrottle = *indexThrottle
	corpus.IndexInterval = *indexInterval
	if *writeIndex {
		corpus.IndexThrottle = 1.0
		corpus.IndexEnabled = true
	}
	if *writeIndex || httpMode || *urlFlag != "" {
		if err := corpus.Init(); err != nil {
			log.Fatal(err)
		}
	}

	pres = godoc.NewPresentation(corpus)
	pres.TabWidth = *tabWidth
	pres.ShowTimestamps = *showTimestamps
	pres.ShowPlayground = *showPlayground
	pres.ShowExamples = *showExamples
	pres.DeclLinks = *declLinks
	pres.SrcMode = *srcMode
	pres.HTMLMode = *html
	if *notesRx != "" {
		pres.NotesRx = regexp.MustCompile(*notesRx)
	}

	readTemplates(pres, httpMode || *urlFlag != "")
	registerHandlers(pres)

	if *writeIndex {
		// Write search index and exit.
		if *indexFiles == "" {
			log.Fatal("no index file specified")
		}

		log.Println("initialize file systems")
		*verbose = true // want to see what happens

		corpus.UpdateIndex()

		log.Println("writing index file", *indexFiles)
		f, err := os.Create(*indexFiles)
		if err != nil {
			log.Fatal(err)
		}
		index, _ := corpus.CurrentIndex()
		_, err = index.WriteTo(f)
		if err != nil {
			log.Fatal(err)
		}

		log.Println("done")
		return
	}

	// Print content that would be served at the URL *urlFlag.
	if *urlFlag != "" {
		handleURLFlag()
		return
	}

	if httpMode {
		// HTTP server mode.
		var handler http.Handler = http.DefaultServeMux
		if *verbose {
			log.Printf("Go Documentation Server")
			log.Printf("version = %s", runtime.Version())
			log.Printf("address = %s", *httpAddr)
			log.Printf("goroot = %s", *goroot)
			log.Printf("tabwidth = %d", *tabWidth)
			switch {
			case !*indexEnabled:
				log.Print("search index disabled")
			case *maxResults > 0:
				log.Printf("full text index enabled (maxresults = %d)", *maxResults)
			default:
				log.Print("identifier search index enabled")
			}
			fs.Fprint(os.Stderr)
			handler = loggingHandler(handler)
		}

		// Initialize search index.
		if *indexEnabled {
			go corpus.RunIndexer()
		}

		// Start type/pointer analysis.
		if typeAnalysis || pointerAnalysis {
			go analysis.Run(pointerAnalysis, &corpus.Analysis)
		}

		// Start http server.
		if err := http.ListenAndServe(*httpAddr, handler); err != nil {
			log.Fatalf("ListenAndServe %s: %v", *httpAddr, err)
		}

		return
	}

	if *query {
		handleRemoteSearch()
		return
	}

	if err := godoc.CommandLine(os.Stdout, fs, pres, flag.Args()); err != nil {
		log.Print(err)
	}
}