mirror of
https://github.com/minio/minio.git
synced 2024-12-25 22:55:54 -05:00
92 lines
2.3 KiB
Go
92 lines
2.3 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 config
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
// BoolFlag - wrapper bool type.
|
|
type BoolFlag bool
|
|
|
|
// String - returns string of BoolFlag.
|
|
func (bf BoolFlag) String() string {
|
|
if bf {
|
|
return "on"
|
|
}
|
|
|
|
return "off"
|
|
}
|
|
|
|
// MarshalJSON - converts BoolFlag into JSON data.
|
|
func (bf BoolFlag) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(bf.String())
|
|
}
|
|
|
|
// UnmarshalJSON - parses given data into BoolFlag.
|
|
func (bf *BoolFlag) UnmarshalJSON(data []byte) (err error) {
|
|
var s string
|
|
if err = json.Unmarshal(data, &s); err == nil {
|
|
b := BoolFlag(true)
|
|
if s == "" {
|
|
// Empty string is treated as valid.
|
|
*bf = b
|
|
} else if b, err = ParseBoolFlag(s); err == nil {
|
|
*bf = b
|
|
}
|
|
}
|
|
|
|
return err
|
|
}
|
|
|
|
// FormatBool prints stringified version of boolean.
|
|
func FormatBool(b bool) string {
|
|
if b {
|
|
return "on"
|
|
}
|
|
return "off"
|
|
}
|
|
|
|
// ParseBool returns the boolean value represented by the string.
|
|
// It accepts 1, t, T, TRUE, true, True, 0, f, F, FALSE, false, False.
|
|
// Any other value returns an error.
|
|
func ParseBool(str string) (bool, error) {
|
|
switch str {
|
|
case "1", "t", "T", "true", "TRUE", "True", "on", "ON", "On":
|
|
return true, nil
|
|
case "0", "f", "F", "false", "FALSE", "False", "off", "OFF", "Off":
|
|
return false, nil
|
|
}
|
|
if strings.EqualFold(str, "enabled") {
|
|
return true, nil
|
|
}
|
|
if strings.EqualFold(str, "disabled") {
|
|
return false, nil
|
|
}
|
|
return false, fmt.Errorf("ParseBool: parsing '%s': %s", str, strconv.ErrSyntax)
|
|
}
|
|
|
|
// ParseBoolFlag - parses string into BoolFlag.
|
|
func ParseBoolFlag(s string) (bf BoolFlag, err error) {
|
|
b, err := ParseBool(s)
|
|
return BoolFlag(b), err
|
|
}
|