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https://github.com/golang/go
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253974207b
Also move some common code from main.go to handlers.go, and exclude remotesearch.go from the appengine build (it is only relevant to the command line interface). R=bradfitz, dsymonds CC=golang-dev https://golang.org/cl/12001049
73 lines
1.5 KiB
Go
73 lines
1.5 KiB
Go
// Copyright 2009 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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import (
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"errors"
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"flag"
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"io"
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"log"
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"net/http"
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"net/url"
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"os"
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)
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func handleRemoteSearch() {
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// Command-line queries.
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for i := 0; i < flag.NArg(); i++ {
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res, err := remoteSearch(flag.Arg(i))
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if err != nil {
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log.Fatalf("remoteSearch: %s", err)
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}
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io.Copy(os.Stdout, res.Body)
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}
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return
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}
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// remoteSearchURL returns the search URL for a given query as needed by
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// remoteSearch. If html is set, an html result is requested; otherwise
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// the result is in textual form.
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// Adjust this function as necessary if modeNames or FormValue parameters
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// change.
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func remoteSearchURL(query string, html bool) string {
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s := "/search?m=text&q="
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if html {
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s = "/search?q="
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}
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return s + url.QueryEscape(query)
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}
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func remoteSearch(query string) (res *http.Response, err error) {
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// list of addresses to try
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var addrs []string
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if *serverAddr != "" {
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// explicit server address - only try this one
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addrs = []string{*serverAddr}
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} else {
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addrs = []string{
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defaultAddr,
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"golang.org",
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}
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}
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// remote search
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search := remoteSearchURL(query, *html)
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for _, addr := range addrs {
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url := "http://" + addr + search
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res, err = http.Get(url)
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if err == nil && res.StatusCode == http.StatusOK {
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break
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}
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}
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if err == nil && res.StatusCode != http.StatusOK {
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err = errors.New(res.Status)
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}
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return
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}
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