-
Notifications
You must be signed in to change notification settings - Fork 19
/
args.go
84 lines (68 loc) · 1.86 KB
/
args.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
75
76
77
78
79
80
81
82
83
84
// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package visor
import (
"fmt"
"strings"
)
// TODO make these functions more robust.
type Args []string
func (a Args) indexOf(name string) int {
for i, arg := range a {
if strings.Contains(arg, name) {
return i
}
}
return -1
}
func (a Args) Exists(name string) bool {
return a.indexOf(name) != -1
}
// Set sets a new argument. Ignores if argument exists.
func (a *Args) Set(name, value string) bool {
if a.Exists(name) {
return false
}
if name[0:2] != "--" {
name = fmt.Sprintf("--%s", name)
}
*a = append(*a, name, value)
return true
}
// ForceSet sets a new argument even if the argument currently exists.
func (a *Args) ForceSet(name, value string) bool {
if name[0:2] != "--" {
name = fmt.Sprintf("--%s", name)
}
*a = append(*a, name, value)
return true
}
// GetFlagWithArg finds and returns a flag with it's argument.
// Returns nil if not found.
// Example: --home /path.
func (a Args) GetFlagWithArg(name string) []string {
if name[0:2] != "--" {
name = fmt.Sprintf("--%s", name)
}
i := a.indexOf(name)
if i == -1 {
return nil
}
// Check if there is a flag's paramater available
if len(a) < i+2 {
return nil
}
return a[i : i+2]
}