minio/internal/logger/utils.go

63 lines
1.4 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// 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 logger
import (
"fmt"
"regexp"
"runtime"
"github.com/minio/minio/internal/color"
)
var ansiRE = regexp.MustCompile("(\x1b[^m]*m)")
// Print ANSI Control escape
func ansiEscape(format string, args ...interface{}) {
var Esc = "\x1b"
fmt.Printf("%s%s", Esc, fmt.Sprintf(format, args...))
}
func ansiMoveRight(n int) {
if runtime.GOOS == "windows" {
return
}
if color.IsTerminal() {
ansiEscape("[%dC", n)
}
}
func ansiSaveAttributes() {
if runtime.GOOS == "windows" {
return
}
if color.IsTerminal() {
ansiEscape("7")
}
}
func ansiRestoreAttributes() {
if runtime.GOOS == "windows" {
return
}
if color.IsTerminal() {
ansiEscape("8")
}
}