go type_plan9 源码
golang type_plan9 代码
文件路径：/src/mime/type_plan9.go
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package mime
import (
"bufio"
"os"
"strings"
)
func init() {
osInitMime = initMimePlan9
}
func initMimePlan9() {
for _, filename := range typeFiles {
loadMimeFile(filename)
}
}
var typeFiles = []string{
"/sys/lib/mimetype",
}
func initMimeForTests() map[string]string {
typeFiles = []string{"testdata/test.types.plan9"}
return map[string]string{
".t1": "application/test",
".t2": "text/test; charset=utf-8",
".pNg": "image/png",
}
}
func loadMimeFile(filename string) {
f, err := os.Open(filename)
if err != nil {
return
}
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
fields := strings.Fields(scanner.Text())
if len(fields) <= 2 || fields[0][0] != '.' {
continue
}
if fields[1] == "-" || fields[2] == "-" {
continue
}
setExtensionType(fields[0], fields[1]+"/"+fields[2])
}
if err := scanner.Err(); err != nil {
panic(err)
}
}
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