/
logger.go
60 lines (49 loc) · 1.09 KB
/
logger.go
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package tendo
import (
"fmt"
"log"
)
// LogLevel determines how much to output when logging
type LogLevel uint8
// The various levels of logging
const (
LogAll LogLevel = iota
LogTrace
LogInfo
LogWarnings
LogErrors
logAlways // internal use only
)
type logger struct {
level LogLevel
}
func newLogger(level LogLevel) *logger {
log.SetPrefix("{go-tendo} ")
if (level < LogAll) || (level > logAlways) {
return nil
}
return &logger{
level: level,
}
}
func (logger *logger) println(logLevel LogLevel, output string) {
if logLevel >= logger.level {
fmt.Println(output)
}
}
func (logger *logger) printfln(logLevel LogLevel, format string, args ...interface{}) {
if logLevel >= logger.level {
output := fmt.Sprintf(format, args...)
fmt.Println(output)
}
}
func (logger *logger) printf(logLevel LogLevel, format string, args ...interface{}) {
if logLevel >= logger.level {
log.Print(fmt.Sprintf(format, args...))
}
}
func (logger *logger) fatalf(logLevel LogLevel, format string, args ...interface{}) {
if logLevel >= logger.level {
log.Fatal(fmt.Sprintf(format, args...))
}
}