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Copy pathutils.go
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87 lines (76 loc) · 1.98 KB
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/*
* 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"
"os"
"regexp"
"github.com/fatih/color"
isatty "github.com/mattn/go-isatty"
)
// Global colors.
var (
// Check if we stderr, stdout are dumb terminals, we do not apply
// ansi coloring on dumb terminals.
isTerminal = func() bool {
return isatty.IsTerminal(os.Stdout.Fd()) && isatty.IsTerminal(os.Stderr.Fd())
}
ColorBold = func() func(a ...interface{}) string {
if isTerminal() {
return color.New(color.Bold).SprintFunc()
}
return fmt.Sprint
}()
ColorFgRed = func() func(a ...interface{}) string {
if isTerminal() {
return color.New(color.FgRed).SprintFunc()
}
return fmt.Sprint
}()
ColorBgRed = func() func(format string, a ...interface{}) string {
if isTerminal() {
return color.New(color.BgRed).SprintfFunc()
}
return fmt.Sprintf
}()
ColorFgWhite = func() func(format string, a ...interface{}) string {
if isTerminal() {
return color.New(color.FgWhite).SprintfFunc()
}
return fmt.Sprintf
}()
)
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 isTerminal() {
ansiEscape("[%dC", n)
}
}
func ansiSaveAttributes() {
if isTerminal() {
ansiEscape("7")
}
}
func ansiRestoreAttributes() {
if isTerminal() {
ansiEscape("8")
}
}