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
33
34
35
36
37
38
|
package shell
import (
"bufio"
"fmt"
"io"
"os"
"strings"
)
type editor interface {
ReadLine() (string, error)
Close()
}
type minEditor struct {
in *bufio.Reader
out io.Writer
}
func newMinEditor(in, out *os.File) *minEditor {
return &minEditor{bufio.NewReader(in), out}
}
func (ed *minEditor) ReadLine() (string, error) {
wd, err := os.Getwd()
if err != nil {
wd = "?"
}
fmt.Fprintf(ed.out, "%s> ", wd)
line, err := ed.in.ReadString('\n')
// Chop off the trailing \r on Windows.
line = strings.TrimRight(line, "\r\n")
return line, err
}
func (editor *minEditor) Close() {
}
|
