libgo/go/mime/type_plan9.go

   1 // Copyright 2013 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package mime
   6
   7 import (
   8         "bufio"
   9         "os"
  10         "strings"
  11 )
  12
  13 func init() {
  14         osInitMime = initMimePlan9
  15 }
  16
  17 func initMimePlan9() {
  18         for _, filename := range typeFiles {
  19                 loadMimeFile(filename)
  20         }
  21 }
  22
  23 var typeFiles = []string{
  24         "/sys/lib/mimetype",
  25 }
  26
  27 func initMimeForTests() map[string]string {
  28         typeFiles = []string{"testdata/test.types.plan9"}
  29         return map[string]string{
  30                 ".t1":  "application/test",
  31                 ".t2":  "text/test; charset=utf-8",
  32                 ".pNg": "image/png",
  33         }
  34 }
  35
  36 func loadMimeFile(filename string) {
  37         f, err := os.Open(filename)
  38         if err != nil {
  39                 return
  40         }
  41         defer f.Close()
  42
  43         scanner := bufio.NewScanner(f)
  44         for scanner.Scan() {
  45                 fields := strings.Fields(scanner.Text())
  46                 if len(fields) <= 2 || fields[0][0] != '.' {
  47                         continue
  48                 }
  49                 if fields[1] == "-" || fields[2] == "-" {
  50                         continue
  51                 }
  52                 setExtensionType(fields[0], fields[1]+"/"+fields[2])
  53         }
  54         if err := scanner.Err(); err != nil {
  55                 panic(err)
  56         }
  57 }