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level.go 1.72 KB
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水不要鱼 提交于 2020-06-06 15:27 . 修改联系邮箱
// Copyright 2020 Ye Zi Jie. All Rights Reserved.
//
// 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.
//
// Author: FishGoddess
// Email: fishgoddess@qq.com
// Created at 2020/03/01 14:18:33
package logit
import (
"fmt"
"math"
"os"
)
// Level is the type representation of the logger level.
type Level uint8
const (
DebugLevel Level = iota
InfoLevel
WarnLevel
ErrorLevel
// OffLevel is for disabling a logger
OffLevel = math.MaxUint8
)
var (
// levels store the names of all level provided.
levels = map[Level]string{
DebugLevel: "debug",
InfoLevel: "info",
WarnLevel: "warn",
ErrorLevel: "error",
OffLevel: "off",
}
)
// parseLevel parses level and returns the Level of it.
// If the level doesn't exist, a tip will be printed and
// the program will exit with status code 3.
func parseLevel(level string) Level {
for k, v := range levels {
if v == level {
return k
}
}
fmt.Fprintf(os.Stderr, "Error: Level \"%s\" doesn't exist! Be sure your level is one of them: debug, info, warn, error, off\n", level)
os.Exit(3)
return OffLevel
}
// String returns the name of Level ll.
// This method will be called when using printing operations like fmt.Println.
func (ll Level) String() string {
return levels[ll]
}
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