Initial commit based on https://github.com/minio/minio/releases/tag/RELEASE.2020-07-02T00-15-09Z

cmd/logger/utils.go

@@ -0,0 +1,61 @@
+/*
+ * 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")
+	}
+
+}