restore v0.3.0

level/level.go

@@ -0,0 +1,73 @@
+package level
+
+import (
+	"encoding/json"
+	"strings"
+)
+
+//go:generate stringer -type=Level -linecomment
+
+var (
+	_ json.Marshaler   = Level(0)
+	_ json.Unmarshaler = (*Level)(nil)
+)
+
+// Level log.
+type Level uint32
+
+// available log levels.
+const (
+	Emergency Level = iota // emergency
+	Alert                  // alert
+	Critical               // critical
+	Error                  // error
+	Warning                // warning
+	Notice                 // notice
+	Info                   // info
+	Debug                  // debug
+)
+
+func (l Level) MarshalJSON() ([]byte, error) {
+	return json.Marshal(l.String())
+}
+
+func (l Level) Is(level Level) bool {
+	return level == l
+}
+
+func (l Level) Enabled(level Level) bool {
+	return l <= level
+}
+
+func (l *Level) UnmarshalJSON(in []byte) error {
+	var v string
+	if err := json.Unmarshal(in, &v); err != nil {
+		return err
+	}
+
+	lvl := Parse(v)
+	*l = lvl
+
+	return nil
+}
+
+func Parse(lvl string) Level {
+	switch strings.ToLower(lvl) {
+	case "debug", "Debug", "DEBUG":
+		return Debug
+	case "info", "Info", "INFO":
+		return Info
+	case "notice", "Notice", "NOTICE":
+		return Notice
+	case "warning", "Warning", "WARNING":
+		return Warning
+	case "error", "Error", "ERROR":
+		return Error
+	case "critical", "Critical", "CRITICAL":
+		return Critical
+	case "alert", "Alert", "ALERT":
+		return Alert
+	default:
+		return Emergency
+	}
+}

level/level_string.go

@@ -0,0 +1,30 @@
+// Code generated by "stringer -type=Level -linecomment"; DO NOT EDIT.
+
+package level
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[Emergency-0]
+	_ = x[Alert-1]
+	_ = x[Critical-2]
+	_ = x[Error-3]
+	_ = x[Warning-4]
+	_ = x[Notice-5]
+	_ = x[Info-6]
+	_ = x[Debug-7]
+}
+
+const _Level_name = "emergencyalertcriticalerrorwarningnoticeinfodebug"
+
+var _Level_index = [...]uint8{0, 9, 14, 22, 27, 34, 40, 44, 49}
+
+func (i Level) String() string {
+	if i >= Level(len(_Level_index)-1) {
+		return "Level(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _Level_name[_Level_index[i]:_Level_index[i+1]]
+}