From d926e11dab4dbe72cf427b5a25ca18ec3d38a40b Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sun, 24 Apr 2016 23:00:34 +0100
Subject: KDM AnnotationText is optional.

---
 src/decrypted_kdm.cc |  2 +-
 src/decrypted_kdm.h  |  7 ++++---
 src/encrypted_kdm.cc | 13 ++++++++-----
 src/encrypted_kdm.h  |  5 +++--
 4 files changed, 16 insertions(+), 11 deletions(-)

(limited to 'src')

diff --git a/src/decrypted_kdm.cc b/src/decrypted_kdm.cc
index 99cbca10..6aba26de 100644
--- a/src/decrypted_kdm.cc
+++ b/src/decrypted_kdm.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
diff --git a/src/decrypted_kdm.h b/src/decrypted_kdm.h
index f7d21dbe..21df45a1 100644
--- a/src/decrypted_kdm.h
+++ b/src/decrypted_kdm.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -30,6 +30,7 @@
 #include "types.h"
 #include "certificate.h"
 #include <boost/filesystem.hpp>
+#include <boost/optional.hpp>
 
 namespace dcp {
 
@@ -110,7 +111,7 @@ public:
 		return _keys;
 	}
 
-	std::string annotation_text () const {
+	boost::optional<std::string> annotation_text () const {
 		return _annotation_text;
 	}
 
@@ -125,7 +126,7 @@ public:
 private:
 	LocalTime _not_valid_before;
 	LocalTime _not_valid_after;
-	std::string _annotation_text;
+	boost::optional<std::string> _annotation_text;
 	std::string _content_title_text;
 	std::string _issue_date;
 	std::list<DecryptedKDMKey> _keys;
diff --git a/src/encrypted_kdm.cc b/src/encrypted_kdm.cc
index 132e8df3..8ed0c315 100644
--- a/src/encrypted_kdm.cc
+++ b/src/encrypted_kdm.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -33,6 +33,7 @@ using std::string;
 using std::map;
 using std::pair;
 using boost::shared_ptr;
+using boost::optional;
 using namespace dcp;
 
 namespace dcp {
@@ -427,7 +428,7 @@ public:
 
 	AuthenticatedPublic (shared_ptr<const cxml::Node> node)
 		: message_id (remove_urn_uuid (node->string_child ("MessageId")))
-		, annotation_text (node->string_child ("AnnotationText"))
+		, annotation_text (node->optional_string_child ("AnnotationText"))
 		, issue_date (node->string_child ("IssueDate"))
 		, signer (node->node_child ("Signer"))
 		, required_extensions (node->node_child ("RequiredExtensions"))
@@ -441,7 +442,9 @@ public:
 
 		node->add_child("MessageId")->add_child_text ("urn:uuid:" + message_id);
 		node->add_child("MessageType")->add_child_text ("http://www.smpte-ra.org/430-1/2006/KDM#kdm-key-type");
-		node->add_child("AnnotationText")->add_child_text (annotation_text);
+		if (annotation_text) {
+			node->add_child("AnnotationText")->add_child_text (annotation_text.get ());
+		}
 		node->add_child("IssueDate")->add_child_text (issue_date);
 
 		signer.as_xml (node->add_child ("Signer"));
@@ -451,7 +454,7 @@ public:
 	}
 
 	string message_id;
-	string annotation_text;
+	optional<string> annotation_text;
 	string issue_date;
 	Signer signer;
 	RequiredExtensions required_extensions;
@@ -628,7 +631,7 @@ EncryptedKDM::keys () const
 	return _data->authenticated_private.encrypted_key;
 }
 
-string
+optional<string>
 EncryptedKDM::annotation_text () const
 {
 	return _data->authenticated_public.annotation_text;
diff --git a/src/encrypted_kdm.h b/src/encrypted_kdm.h
index c899dcbe..a36e7aaf 100644
--- a/src/encrypted_kdm.h
+++ b/src/encrypted_kdm.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -27,6 +27,7 @@
 #include "local_time.h"
 #include "types.h"
 #include <boost/filesystem.hpp>
+#include <boost/optional.hpp>
 #include <boost/date_time/local_time/local_time.hpp>
 
 namespace cxml {
@@ -71,7 +72,7 @@ public:
 	 */
 	std::list<std::string> keys () const;
 
-	std::string annotation_text () const;
+	boost::optional<std::string> annotation_text () const;
 	std::string content_title_text () const;
 	std::string issue_date () const;
 	std::string cpl_id () const;
-- 
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