-
Notifications
You must be signed in to change notification settings - Fork 0
/
config.go
74 lines (66 loc) · 1.17 KB
/
config.go
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
package cmd
import (
"os"
"bufio"
"strings"
"io"
"strconv"
)
type Config struct {
filepath string
data map[string]string
}
func NewConfig(filepath string) (*Config, error) {
config := &Config {
filepath: filepath,
data: make(map[string]string),
}
if err := config.read(); err != nil {
return nil, err
}
return config, nil
}
func (c *Config) String(key string) string {
if value, exists := c.data[key]; exists {
return value
}
return ""
}
func (c *Config) Int(key string) int {
if value, exists := c.data[key]; exists {
i, _ := strconv.Atoi(value)
return i
}
return -1
}
func (c *Config) read() error {
file, err := os.Open(c.filepath)
if err != nil {
return err
}
data := make(map[string]string)
buf := bufio.NewReader(file)
for {
l, err := buf.ReadString('\n')
line := strings.TrimSpace(l)
if err != nil {
if err != io.EOF {
return err
}
if len(line) == 0 {
break
}
}
switch {
case len(line) == 0:
case string(line[0]) == "#":
default:
i := strings.IndexAny(line, "=")
value := strings.TrimSpace(line[i+1 : len(line)])
key := strings.TrimSpace(line[0:i])
data[key] = value
}
}
c.data = data
return nil
}