added more strategies

strategy/colored.go

@@ -0,0 +1,29 @@
+package strategy
+
+import (
+	"git.schreifuchs.ch/schreifuchs/logger"
+	"git.schreifuchs.ch/schreifuchs/logger/lvl"
+)
+
+func Colored(logs <-chan *logger.Log) {
+	for log := range logs {
+		println(colorize(log.Level, log.Message))
+	}
+}
+
+// colorize colors a string for the shell matching to its level
+func colorize(l lvl.Level, str string) string {
+	var color string
+
+	switch l {
+	case lvl.Debug:
+		color = "\033[32m" // green
+	case lvl.Info:
+		color = "\033[97m" // white
+	case lvl.Warn:
+		color = "\033[33m" // yellow
+	case lvl.Error:
+		color = "\033[31m" //  red
+	}
+	return color + str + "\033[0m"
+}