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-rw-r--r--ingen/Resource.hpp15
1 files changed, 13 insertions, 2 deletions
diff --git a/ingen/Resource.hpp b/ingen/Resource.hpp
index 31d23dac..604428ce 100644
--- a/ingen/Resource.hpp
+++ b/ingen/Resource.hpp
@@ -1,6 +1,6 @@
/*
This file is part of Ingen.
- Copyright 2007-2015 David Robillard <http://drobilla.net/>
+ Copyright 2007-2016 David Robillard <http://drobilla.net/>
Ingen is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free
@@ -122,6 +122,15 @@ public:
Graph ctx = Graph::DEFAULT) {
insert(std::make_pair(key, Property(value, ctx)));
}
+
+ bool contains(const Raul::URI& key, const Atom& value) {
+ for (const_iterator i = find(key); i != end() && i->first == key; ++i) {
+ if (i->second == value) {
+ return true;
+ }
+ }
+ return false;
+ }
};
/** Get a single property value.
@@ -156,8 +165,10 @@ public:
* This will not remove any existing values, so if properties with
* predicate `uri` and values other than `value` exist, this will result
* in multiple values for the property.
+ *
+ * @return True iff a new property was added.
*/
- virtual void add_property(const Raul::URI& uri,
+ virtual bool add_property(const Raul::URI& uri,
const Atom& value,
Graph ctx = Graph::DEFAULT);