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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
// Copyright 2015 Martin Hebnes Pedersen (LA5NTA). All rights reserved.
// Use of this source code is governed by the MIT-license that can be
// found in the LICENSE file.
package fbb
import (
"bytes"
"fmt"
"io"
"strings"
)
type ByDate []*Message
func (d ByDate) Len() int { return len(d) }
func (d ByDate) Swap(i, j int) { d[i], d[j] = d[j], d[i] }
func (d ByDate) Less(i, j int) bool { return d[i].Date().Before(d[j].Date()) }
func ReadLine(rd io.Reader) (string, error) {
var lineBuffer bytes.Buffer
for {
buf := make([]byte, 1)
n, err := rd.Read(buf)
if err != nil {
return ``, err
} else if n < 1 {
continue
}
if buf[0] == '\n' || buf[0] == '\r' {
if lineBuffer.Len() > 0 {
return cleanString(string(lineBuffer.Bytes())), nil
}
continue
} else {
lineBuffer.WriteByte(buf[0])
}
}
}
func (s *Session) nextLineRemoteErr(parseErr bool) (string, error) {
line, err := s.rd.ReadString('\r')
if err != nil {
return line, err
}
line = cleanString(line)
s.pLog.Println(line)
if err := errLine(line); parseErr && err != nil {
return "", err
} else {
return line, nil
}
}
func (s *Session) nextLine() (string, error) {
return s.nextLineRemoteErr(true)
}
func errLine(str string) error {
if len(str) == 0 || str[0] != '*' {
return nil
}
idx := strings.LastIndex(str, "*")
if idx+1 >= len(str) {
return nil
}
return fmt.Errorf(strings.TrimSpace(str[idx+1:]))
}
func cleanString(str string) string {
str = strings.TrimSpace(str)
if len(str) < 1 {
return str
}
if str[0] == byte(0) {
str = str[1:]
}
if str[len(str)-1] == byte(0) {
str = str[0 : len(str)-2]
}
return str
}
|
