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logger.go
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logger.go
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// Modification of the standard Lg package.
package lg
import (
"log"
"os"
"runtime"
)
var logger *logEnd
func init() {
logger = newLogEnd()
}
func GetLogger() *logEnd {
return logger
}
type prefix struct {
Info string
Debug string
Trace string
Warn string
Error string
Fatal string
Panic string
}
func newPrefix() *prefix {
return &prefix{
Info: "INFO",
Debug: "DEBUG",
Trace: "TRACE",
Warn: "WARN",
Error: "ERROR",
Fatal: "FATAL",
Panic: "PANIC",
}
}
type color struct {
Reset,
Red,
Yellow,
Purple,
PurpleUnderline,
Cyan,
Gray,
GrayUnderline string
}
func newColor() *color {
if runtime.GOOS != "windows" {
return &color{
Reset: "\033[0;0;0m",
Red: "\033[0;0;31m",
Yellow: "\033[0;0;33m",
Purple: "\033[0;0;35m",
PurpleUnderline: "\033[0;4;35m",
Cyan: "\033[0;0;36m",
Gray: "\033[0;0;37m",
GrayUnderline: "\033[0;4;37m",
}
}
return &color{}
}
type logEnd struct {
infoLogger *lg
debugLogger *lg
traceLogger *lg
warnLogger *lg
errorLogger *lg
fatalLogger *lg
panicLogger *lg
}
func newLogEnd() *logEnd {
p := newPrefix()
c := newColor()
return &logEnd{
infoLogger: loggerCreateNew(os.Stdout, c.Cyan, p.Info),
debugLogger: loggerCreateNew(os.Stdout, c.GrayUnderline, p.Debug),
traceLogger: loggerCreateNew(os.Stdout, c.Gray, p.Trace),
warnLogger: loggerCreateNew(os.Stdout, c.Yellow, p.Warn),
errorLogger: loggerCreateNew(os.Stderr, c.Red, p.Error),
fatalLogger: loggerCreateNew(os.Stderr, c.Purple, p.Fatal),
panicLogger: loggerCreateNew(os.Stderr, c.PurpleUnderline, p.Panic),
}
}
func (l *logEnd) OffColor() {
offColor = true
l.rewrite()
}
func (l *logEnd) OffPrefix() {
offPrefix = true
l.rewrite()
}
func (l *logEnd) OffDate() {
logFlags = logFlags &^ log.Ldate
l.infoLogger.log.SetFlags(logFlags)
l.debugLogger.log.SetFlags(logFlags)
l.traceLogger.log.SetFlags(logFlags)
l.warnLogger.log.SetFlags(logFlags)
l.errorLogger.log.SetFlags(logFlags)
l.fatalLogger.log.SetFlags(logFlags)
l.panicLogger.log.SetFlags(logFlags)
}
func (l *logEnd) OffTime() {
logFlags = logFlags &^ log.Ltime
l.infoLogger.log.SetFlags(logFlags)
l.debugLogger.log.SetFlags(logFlags)
l.traceLogger.log.SetFlags(logFlags)
l.warnLogger.log.SetFlags(logFlags)
l.errorLogger.log.SetFlags(logFlags)
l.fatalLogger.log.SetFlags(logFlags)
l.panicLogger.log.SetFlags(logFlags)
}
func (l *logEnd) OffShortFile() {
logFlags = logFlags &^ log.Lshortfile
l.infoLogger.log.SetFlags(logFlags)
l.debugLogger.log.SetFlags(logFlags)
l.traceLogger.log.SetFlags(logFlags)
l.warnLogger.log.SetFlags(logFlags)
l.errorLogger.log.SetFlags(logFlags)
l.fatalLogger.log.SetFlags(logFlags)
l.panicLogger.log.SetFlags(logFlags)
}
func (l *logEnd) rewrite() {
log := newLogEnd()
*l = *log
}
// info functions
func Info(v ...interface{}) error {
return logger.infoLogger.print(v...)
}
func Infoln(v ...interface{}) error {
return logger.infoLogger.println(v...)
}
func Infof(format string, v ...interface{}) error {
return logger.infoLogger.printf(format, v...)
}
// debug functions
func Debug(v ...interface{}) error {
return logger.debugLogger.print(v...)
}
func Debugln(v ...interface{}) error {
return logger.debugLogger.println(v...)
}
func Debugf(format string, v ...interface{}) error {
return logger.debugLogger.printf(format, v...)
}
// trace functions
func Trace(v ...interface{}) error {
return logger.traceLogger.print(v...)
}
func Traceln(v ...interface{}) error {
return logger.traceLogger.println(v...)
}
func Tracef(format string, v ...interface{}) error {
return logger.traceLogger.printf(format, v...)
}
// warning functions
func Warn(v ...interface{}) error {
return logger.warnLogger.print(v...)
}
func Warnln(v ...interface{}) error {
return logger.warnLogger.println(v...)
}
func Warnf(format string, v ...interface{}) error {
return logger.warnLogger.printf(format, v...)
}
// error functions
func Error(v ...interface{}) error {
return logger.errorLogger.print(v...)
}
func Errorln(v ...interface{}) error {
return logger.errorLogger.println(v...)
}
func Errorf(format string, v ...interface{}) error {
return logger.errorLogger.printf(format, v...)
}
// fatal functions
func Fatal(v ...interface{}) error {
return logger.fatalLogger.fatal(v...)
}
func Fatalln(v ...interface{}) error {
return logger.fatalLogger.fatalln(v...)
}
func Fatalf(format string, v ...interface{}) error {
return logger.fatalLogger.fatalf(format, v...)
}
// panic functions
func Panic(v ...interface{}) error {
return logger.panicLogger.panic(v...)
}
func Panicln(v ...interface{}) error {
return logger.panicLogger.panicln(v...)
}
func Panicf(format string, v ...interface{}) error {
return logger.panicLogger.panicf(format, v...)
}