/config.go

 1package main
 2
 3import(
 4	"os"
 5	"path/filepath"
 6	"io/ioutil"
 7	"encoding/json"
 8)
 9
10type Config map[string]string
11
12func (c *Config) Set(key string, val string) {
13	(*c)[key] = val
14}
15
16func (c *Config) Is(key string) string {
17	if val, exists := (*c)[key]; exists {
18		return val
19	}
20	return ""
21}
22
23func (c *Config) Get(key string) string {
24	if val, exists := (*c)[key]; exists {
25		return val
26	}
27	return ""
28}
29
30func loadConfig() (config *Config) {
31	root, _ := filepath.Split(filepath.Clean(os.Args[0]))
32	b, err := ioutil.ReadFile(filepath.Join(root, "config.json"))
33	if err != nil {
34		panic(err)
35		return &Config{}
36	}
37	err = json.Unmarshal(b, &config)
38	return
39}