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
|
package colorschemes
import (
"encoding/json"
"fmt"
"io/ioutil"
"path/filepath"
)
var registry map[string]Colorscheme
func init() {
if registry == nil {
registry = make(map[string]Colorscheme)
}
}
func FromName(confDir string, c string) (Colorscheme, error) {
cs, ok := registry[c]
if !ok {
cs, err := getCustomColorscheme(confDir, c)
if err != nil {
return cs, err
}
}
return cs, nil
}
func register(name string, c Colorscheme) {
if registry == nil {
registry = make(map[string]Colorscheme)
}
registry[name] = c
}
// getCustomColorscheme tries to read a custom json colorscheme from <configDir>/<name>.json
func getCustomColorscheme(confDir string, name string) (Colorscheme, error) {
var cs Colorscheme
filePath := filepath.Join(confDir, name+".json")
dat, err := ioutil.ReadFile(filePath)
if err != nil {
return cs, fmt.Errorf("failed to read colorscheme file: %v", err)
}
err = json.Unmarshal(dat, &cs)
if err != nil {
return cs, fmt.Errorf("failed to parse colorscheme file: %v", err)
}
return cs, nil
}
|
