-
Notifications
You must be signed in to change notification settings - Fork 326
/
spacing.go
49 lines (38 loc) 路 1005 Bytes
/
spacing.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
package style
import (
"strconv"
"strings"
)
const minTokens = 1
const halfTokens = 2
const maxTokens = 4
// parsePadding parses 1 - 4 integers from a string and returns them in a top,
// right, bottom, left order for use in the lipgloss.Padding() method.
func parsePadding(s string) (int, int, int, int) {
var ints [maxTokens]int
tokens := strings.Split(s, " ")
if len(tokens) > maxTokens {
return 0, 0, 0, 0
}
// All tokens must be an integer
for i, token := range tokens {
parsed, err := strconv.Atoi(token)
if err != nil {
return 0, 0, 0, 0
}
ints[i] = parsed
}
if len(tokens) == minTokens {
return ints[0], ints[0], ints[0], ints[0]
}
if len(tokens) == halfTokens {
return ints[0], ints[1], ints[0], ints[1]
}
if len(tokens) == maxTokens {
return ints[0], ints[1], ints[2], ints[3]
}
return 0, 0, 0, 0
}
// parseMargin is an alias for parsePadding since they involve the same logic
// to parse integers to the same format.
var parseMargin = parsePadding