103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
// Copyright 2013 Google Inc. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"flag"
|
|
"io/ioutil"
|
|
"log"
|
|
"net/http"
|
|
"os"
|
|
"text/template"
|
|
"time"
|
|
|
|
"github.com/kylelemons/gousb/usbid"
|
|
)
|
|
|
|
var (
|
|
remote = flag.String("url", usbid.LinuxUsbDotOrg, "URL from which to download new vendor data")
|
|
dataFile = flag.String("template", "load_data.go.tpl", "Template filename")
|
|
outFile = flag.String("o", "load_data.go", "Output filename")
|
|
)
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
|
|
log.Printf("Fetching %q...", *remote)
|
|
resp, err := http.Get(*remote)
|
|
if err != nil {
|
|
log.Fatalf("failed to download from %q: %s", *remote, err)
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
data, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
log.Fatalf("failed to read %q: %s", *remote, err)
|
|
}
|
|
|
|
ids, cls, err := usbid.ParseIDs(bytes.NewReader(data))
|
|
if err != nil {
|
|
log.Fatalf("failed to parse %q: %s", *remote, err)
|
|
}
|
|
|
|
log.Printf("Successfully fetched %q:", *remote)
|
|
log.Printf(" Loaded %d Vendor IDs", len(ids))
|
|
log.Printf(" Loaded %d Class IDs", len(cls))
|
|
|
|
rawTemplate, err := ioutil.ReadFile(*dataFile)
|
|
if err != nil {
|
|
log.Fatalf("failed to read template %q: %s", *dataFile)
|
|
}
|
|
|
|
template, err := template.New("").Parse(string(rawTemplate))
|
|
if err != nil {
|
|
log.Fatalf("failed to parse template %q: %s", *dataFile, err)
|
|
}
|
|
|
|
out, err := os.Create(*outFile)
|
|
if err != nil {
|
|
log.Fatalf("failed to open output file %q: %s", *outFile, err)
|
|
}
|
|
defer out.Close()
|
|
|
|
templateData := struct {
|
|
Data []byte
|
|
Generated time.Time
|
|
RFC3339 string
|
|
}{
|
|
Data: bytes.Map(sanitize, data),
|
|
Generated: time.Now(),
|
|
}
|
|
if err := template.Execute(out, templateData); err != nil {
|
|
log.Fatalf("failed to execute template: %s", err)
|
|
}
|
|
|
|
log.Printf("Successfully wrote %q", *outFile)
|
|
}
|
|
|
|
// sanitize strips characters that can't be `-quoted
|
|
func sanitize(r rune) rune {
|
|
switch {
|
|
case r == '`':
|
|
return -1
|
|
case r == '\t', r == '\n':
|
|
return r
|
|
case r >= ' ' && r <= '~':
|
|
return r
|
|
}
|
|
return -1
|
|
}
|