mirror of
https://gitea.com/gitea/tea.git
synced 2024-11-25 12:01:36 +01:00
89e93d90b3
Merge branch 'master' into use-glamour select Glamour Theme based on BackgroundColor Merge branch 'master' into use-glamour Merge branch 'master' into use-glamour update termev update go.mod label color colorate use glamour for issue content Vendor: Add glamour Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> Co-authored-by: 6543 <6543@obermui.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/181 Reviewed-by: techknowlogick <techknowlogick@gitea.io> Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
34 lines
604 B
Go
34 lines
604 B
Go
package ansi
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
"github.com/mattn/go-runewidth"
|
|
)
|
|
|
|
// Buffer is a buffer aware of ANSI escape sequences.
|
|
type Buffer struct {
|
|
bytes.Buffer
|
|
}
|
|
|
|
// PrintableRuneCount returns the amount of printable runes in the buffer.
|
|
func (w Buffer) PrintableRuneCount() int {
|
|
var n int
|
|
var ansi bool
|
|
for _, c := range w.String() {
|
|
if c == '\x1B' {
|
|
// ANSI escape sequence
|
|
ansi = true
|
|
} else if ansi {
|
|
if (c >= 0x40 && c <= 0x5a) || (c >= 0x61 && c <= 0x7a) {
|
|
// ANSI sequence terminated
|
|
ansi = false
|
|
}
|
|
} else {
|
|
n += runewidth.StringWidth(string(c))
|
|
}
|
|
}
|
|
|
|
return n
|
|
}
|