Start refactor how qemu-system commands are built

qemucli/validation.go

@@ -0,0 +1,27 @@
+package qemucli
+
+import (
+	"fmt"
+	"strings"
+)
+
+func validateArgKey(key string, t ArgAcceptedValue) error {
+	allowedValue, ok := safeArgs[key]
+	if !ok {
+		return fmt.Errorf("unknown safe arg '%v'", key)
+	}
+
+	if want, have := allowedValue, t; want != have {
+		return fmt.Errorf("bad arg value type: want '%v', have '%v'", allowedValue, t)
+	}
+
+	return nil
+}
+
+func validateArgStrValue(s string) error {
+	if strings.Contains(s, ",") {
+		return fmt.Errorf("commas are not allowed")
+	}
+
+	return nil
+}