termui/helper.go

29 lines
435 B
Go

package termui
import "unicode/utf8"
import "strings"
func str2runes(s string) []rune {
n := utf8.RuneCountInString(s)
ss := strings.Split(s, "")
rs := make([]rune, n)
for i := 0; i < n; i++ {
r, _ := utf8.DecodeRuneInString(ss[i])
rs[i] = r
}
return rs
}
func trimStr2Runes(s string, w int) []rune {
rs := str2runes(s)
if w <= 0 {
return []rune{}
}
if len(rs) > w {
rs = rs[:w]
rs[w-1] = '…'
}
return rs
}