Fix connection serialisation.

Do hidden graphviz render to /dev/null instead of /home/dave/test.graphviz.  Oops.  :)


git-svn-id: http://svn.drobilla.net/lad/raul@823 a436a847-0d15-0410-975c-d299462d15a1

3 files changed, 10 insertions, 2 deletions

diff --git a/raul/RDFNode.hpp b/raul/RDFNode.hpp
index 63b7a2e..cdc103b 100644
--- a/raul/RDFNode.hpp
+++ b/raul/RDFNode.hpp
@@ -52,11 +52,12 @@ public:
 	
 	librdf_node* get_node() const { return _node; }
 
-	operator bool() const { return (_node != NULL); }
+	operator bool() const { return (_world != NULL && _node != NULL); }
 
 	const Node& operator=(const Node& other) {
 		if (_node)
 			librdf_free_node(_node);
+		_world = other._world;
 		_node = (other._node) ? librdf_new_node_from_node(other._node) : NULL;
 		return *this;
 	}
diff --git a/src/RDFNode.cpp b/src/RDFNode.cpp
index d70389e..4bc1fbb 100644
--- a/src/RDFNode.cpp
+++ b/src/RDFNode.cpp
@@ -43,6 +43,7 @@ Node::Node(World& world, Type type, const std::string& s)
 	}
 
 	assert(this->type() == type);
+	assert(_world);
 }
 	
 
@@ -51,6 +52,7 @@ Node::Node(World& world)
 {
 	Glib::Mutex::Lock lock(world.mutex(), Glib::TRY_LOCK);
 	_node = librdf_new_node(world.world());
+	assert(_world);
 }
 
 
@@ -59,6 +61,7 @@ Node::Node(World& world, librdf_node* node)
 {
 	Glib::Mutex::Lock lock(world.mutex(), Glib::TRY_LOCK);
 	_node = librdf_new_node_from_node(node);
+	assert(_world);
 }
 
 
@@ -70,6 +73,8 @@ Node::Node(const Node& other)
 		Glib::Mutex::Lock lock(_world->mutex(), Glib::TRY_LOCK);
 		_node = (other._node ? librdf_new_node_from_node(other._node) : NULL);
 	}
+
+	assert(to_string() == other.to_string());
 }
 
 
diff --git a/src/RDFWorld.cpp b/src/RDFWorld.cpp
index d68919d..71a231c 100644
--- a/src/RDFWorld.cpp
+++ b/src/RDFWorld.cpp
@@ -87,7 +87,9 @@ World::blank_id()
 {
 	std::ostringstream ss;
 	ss << "n" << _next_blank_id++;
-	return Node(*this, Node::BLANK, ss.str());
+	Node result = Node(*this, Node::BLANK, ss.str());
+	assert(result.to_string() == ss.str());
+	return result;
 }