Tidy up storage of key type in DecryptedKDMKey.

[libdcp.git] / src / decrypted_kdm_key.h

diff --git a/src/decrypted_kdm_key.h b/src/decrypted_kdm_key.h
index 95ffccb80fd908e6687689afcb0da347095e17aa..1e03ee0a15118a15ab21f1df213ef50b605960ad 100644 (file)
--- a/src/decrypted_kdm_key.h
+++ b/src/decrypted_kdm_key.h
@@ -39,6 +39,7 @@
 #define LIBDCP_DECRYPTED_KDM_KEY_H
 
 #include "key.h"
+#include <boost/optional.hpp>
 
 namespace dcp {
 
@@ -48,14 +49,14 @@ namespace dcp {
 class DecryptedKDMKey
 {
 public:
-       DecryptedKDMKey (std::string type, std::string id, Key key, std::string cpl_id)
+       DecryptedKDMKey (boost::optional<std::string> type, std::string id, Key key, std::string cpl_id)
                : _type (type)
                , _id (id)
                , _key (key)
                , _cpl_id (cpl_id)
        {}
 
-       std::string type () const {
+       boost::optional<std::string> type () const {
                return _type;
        }
 
@@ -72,7 +73,7 @@ public:
        }
 
 private:
-       std::string _type;
+       boost::optional<std::string> _type;
        std::string _id;
        Key _key;
        std::string _cpl_id;