blob: 4552c50f87afcdc8b8c5c042f947ba03a6e7d87c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
package module
import (
"bufio"
"io"
"tunnel/pkg/server/queue"
"unicode"
)
func alpha(cb func(rune) rune) Pipe {
return func(rq, wq queue.Q) error {
r := bufio.NewReader(rq.Reader())
for {
c, _, err := r.ReadRune()
if err != nil {
if err == io.EOF {
break
}
return err
}
wq <- []byte(string(cb(c)))
}
return nil
}
}
func init() {
registerPipe("lower", alpha(unicode.ToLower))
registerPipe("upper", alpha(unicode.ToUpper))
}
|
