minio/vendor/github.com/cheggaaa/pb/runecount.go
Harshavardhana 4ab57f7d60 server: terminal width should fallback to 80x25. (#1895)
Some environments might disable access to `/dev/tty`, fall
back to '80' in such scenarios.

Move to 'cheggaaa/pb' package for better cross platform
support on fetching terminal width.

Fixes #1891
2016-06-12 19:35:28 -07:00

18 lines
330 B
Go

package pb
import (
"regexp"
"unicode/utf8"
)
// Finds the control character sequences (like colors)
var ctrlFinder = regexp.MustCompile("\x1b\x5b[0-9]+\x6d")
func escapeAwareRuneCountInString(s string) int {
n := utf8.RuneCountInString(s)
for _, sm := range ctrlFinder.FindAllString(s, -1) {
n -= len(sm)
}
return n
}