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minori.go
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minori.go
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package minori
import (
"fmt"
"io"
"os"
"time"
"strings"
"github.com/mattn/go-colorable"
)
const (
OFF int = iota
FATAL
PANIC
ERROR
WARN
INFO
DEBUG
)
var Level = DEBUG
var Out = colorable.NewColorableStdout()
type Logger struct {
Name string
Out io.Writer
Level int
}
func GetLogger(name string) *Logger {
return &Logger{Name: name, Out: nil, Level: -1}
}
func (l *Logger) GetLogger(name string) *Logger {
return &Logger{
Name: l.Name + "/" + name,
Out: l.Out,
Level: l.Level,
}
}
func (l *Logger) log(lvl int, from, message string) {
level := l.Level
if level == -1 {
level = Level
}
if lvl > level {
return
}
out := l.Out
if out == nil {
out = Out
}
for _, msg := range strings.Split(message, "\n") {
if strings.Trim(msg, " ") == "" {
continue
}
now := time.Now()
fmt.Fprintf(out, "\x1b[35m%s\x1b[0m | \x1b[94m%s\x1b[0m | \x1b[%dm%s\x1b[0m | \x1b[35m%s\x1b[0m | \x1b[94m%s\x1b[0m | %s\n",
now.Format("2006 01 02"),
now.Format("15 04 05"),
getColorByLevel(lvl), getMessageByLevel(lvl),
l.Name, from, msg,
)
}
}
func (l *Logger) Panic(from string, v interface{}) {
l.log(PANIC, from, fmt.Sprint(v))
panic(v)
}
func (l *Logger) Panicf(from, format string, v ...interface{}) {
p := fmt.Sprintf(format, v...)
l.log(PANIC, from, p)
panic(p)
}
func (l *Logger) Fatal(from string, v ...interface{}) {
l.log(FATAL, from, fmt.Sprint(v...))
os.Exit(1)
}
func (l *Logger) Fatalf(from, format string, v ...interface{}) {
l.log(FATAL, from, fmt.Sprintf(format, v...))
os.Exit(1)
}
func (l *Logger) Info(from string, v ...interface{}) {
l.log(INFO, from, fmt.Sprint(v...))
}
func (l *Logger) Infof(from string, format string, v ...interface{}) {
l.log(INFO, from, fmt.Sprintf(format, v...))
}
func (l *Logger) Error(from string, v ...interface{}) {
l.log(ERROR, from, fmt.Sprint(v...))
}
func (l *Logger) Errorf(from string, format string, v ...interface{}) {
l.log(ERROR, from, fmt.Sprintf(format, v...))
}
func (l *Logger) Debug(from string, v ...interface{}) {
l.log(DEBUG, from, fmt.Sprint(v...))
}
func (l *Logger) Debugf(from string, format string, v ...interface{}) {
l.log(DEBUG, from, fmt.Sprintf(format, v...))
}
func (l *Logger) Warn(from string, v ...interface{}) {
l.log(WARN, from, fmt.Sprint(v...))
}
func (l *Logger) Warnf(from string, format string, v ...interface{}) {
l.log(WARN, from, fmt.Sprintf(format, v...))
}
func getMessageByLevel(level int) string {
switch level {
case WARN:
return "WARN"
case INFO:
return "INFO"
case ERROR:
return "ERROR"
case DEBUG:
return "DEBUG"
case FATAL:
return "FATAL"
case PANIC:
return "PANIC"
default:
return ""
}
}
func getColorByLevel(level int) int {
switch level {
case DEBUG:
// cyan
return 36
case WARN:
// yellow
return 33
case ERROR, FATAL, PANIC:
// red
return 31
default:
// green
return 32
}
}