From b0f49e5d47786984e24731b200d3d3d7d6add263 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Tue, 18 May 2021 17:52:14 +0200
Subject: [PATCH] safcm: add ParseLogLevel()

---
 cmd/safcm/sync.go | 19 +++----------------
 log.go            | 25 +++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 16 deletions(-)

diff --git a/cmd/safcm/sync.go b/cmd/safcm/sync.go
index 5776264..10edc68 100644
--- a/cmd/safcm/sync.go
+++ b/cmd/safcm/sync.go
@@ -66,22 +66,9 @@ func MainSync(args []string) error {
 
 	flag.CommandLine.Parse(args[2:])
 
-	var level safcm.LogLevel
-	switch *optionLog {
-	case "error":
-		level = safcm.LogError
-	case "info":
-		level = safcm.LogInfo
-	case "verbose":
-		level = safcm.LogVerbose
-	case "debug":
-		level = safcm.LogDebug
-	case "debug2":
-		level = safcm.LogDebug2
-	case "debug3":
-		level = safcm.LogDebug3
-	default:
-		return fmt.Errorf("invalid -log value %q", *optionLog)
+	level, err := safcm.ParseLogLevel(*optionLog)
+	if err != nil {
+		return fmt.Errorf("-log: %v", err)
 	}
 
 	names := flag.Args()
diff --git a/log.go b/log.go
index 029d975..6e063ce 100644
--- a/log.go
+++ b/log.go
@@ -17,6 +17,10 @@
 
 package safcm
 
+import (
+	"fmt"
+)
+
 // LogLevel controls the number of displayed log messages. Higher levels
 // include all messages from lower levels (e.g. LogVerbose includes all
 // messages from LogInfo).
@@ -37,3 +41,24 @@ const (
 	// Log all RPC messages
 	LogDebug3
 )
+
+func ParseLogLevel(s string) (LogLevel, error) {
+	var x LogLevel
+	switch s {
+	case "error":
+		x = LogError
+	case "info":
+		x = LogInfo
+	case "verbose":
+		x = LogVerbose
+	case "debug":
+		x = LogDebug
+	case "debug2":
+		x = LogDebug2
+	case "debug3":
+		x = LogDebug3
+	default:
+		return 0, fmt.Errorf("invalid LogLevel %q", s)
+	}
+	return x, nil
+}
-- 
2.43.2