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minio/cmd/logger/utils.go

62 lines
1.3 KiB

/*
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package logger
import (
"fmt"
"regexp"
"runtime"
"github.com/minio/minio/pkg/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")
}
}