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authorDavid Robillard <d@drobilla.net>2007-06-15 02:54:48 +0000
committerDavid Robillard <d@drobilla.net>2007-06-15 02:54:48 +0000
commitfc0be457290980cee9de72e7ae623a7e88ca17b6 (patch)
tree00a760e50b7ea68a34c4aaf456eed93046508e6c /src/world.c
parent3fc5478c86490cc0118112faca7b5ab3203b402e (diff)
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Discovery performance improvements.
git-svn-id: http://svn.drobilla.net/lad/slv2@537 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/world.c')
-rw-r--r--src/world.c41
1 files changed, 25 insertions, 16 deletions
diff --git a/src/world.c b/src/world.c
index 913a3ff..11c5c2e 100644
--- a/src/world.c
+++ b/src/world.c
@@ -52,6 +52,12 @@ slv2_world_new()
world, NULL, lv2_plugin_uri, "Plugin"));
world->plugins = slv2_plugins_new();
+
+ world->lv2_plugin_node = librdf_new_node_from_uri_string(world->world,
+ (unsigned char*)"http://lv2plug.in/ontology#Plugin");
+
+ world->rdf_a_node = librdf_new_node_from_uri_string(world->world,
+ (unsigned char*)"http://www.w3.org/1999/02/22-rdf-syntax-ns#type");
return world;
}
@@ -79,6 +85,12 @@ slv2_world_new_using_rdf_world(librdf_world* rdf_world)
world, NULL, lv2_plugin_uri, "Plugin"));
world->plugins = slv2_plugins_new();
+
+ world->lv2_plugin_node = librdf_new_node_from_uri_string(rdf_world,
+ (unsigned char*)"http://lv2plug.in/ontology#Plugin");
+
+ world->rdf_a_node = librdf_new_node_from_uri_string(rdf_world,
+ (unsigned char*)"http://www.w3.org/1999/02/22-rdf-syntax-ns#type");
return world;
}
@@ -87,6 +99,9 @@ slv2_world_new_using_rdf_world(librdf_world* rdf_world)
void
slv2_world_free(SLV2World world)
{
+ librdf_free_node(world->lv2_plugin_node);
+ librdf_free_node(world->rdf_a_node);
+
for (int i=0; i < raptor_sequence_size(world->plugins); ++i)
slv2_plugin_free(raptor_sequence_get_at(world->plugins, i));
raptor_free_sequence(world->plugins);
@@ -122,27 +137,21 @@ slv2_world_load_bundle(SLV2World world, const char* bundle_uri_str)
/* Parse the manifest into a temporary model */
librdf_storage* manifest_storage = librdf_new_storage(world->world,
- "hashes", NULL, "hash-type='memory'");
+ "memory", NULL, NULL);
librdf_model* manifest_model = librdf_new_model(world->world,
manifest_storage, NULL);
librdf_parser_parse_into_model(world->parser, manifest_uri, NULL,
manifest_model);
-
- /* Find any plugins declared in the manifest and add references
- * to their manifest files as one of their data files */
- unsigned char* query_string = (unsigned char*)
- "PREFIX : <http://lv2plug.in/ontology#>\n"
- "SELECT DISTINCT ?plugin\n"
- "WHERE { ?plugin a :Plugin }\n";
- librdf_query* q = librdf_new_query(world->world, "sparql",
- NULL, query_string, NULL);
+ librdf_statement* q = librdf_new_statement_from_nodes(world->world,
+ NULL, world->rdf_a_node, world->lv2_plugin_node);
- librdf_query_results* results = librdf_query_execute(q, manifest_model);
+ librdf_stream* results = librdf_model_find_statements(manifest_model, q);
- while (!librdf_query_results_finished(results)) {
+ while (!librdf_stream_end(results)) {
+ librdf_statement* s = librdf_stream_get_object(results);
- librdf_node* plugin_node = librdf_query_results_get_binding_value(results, 0);
+ librdf_node* plugin_node = librdf_statement_get_subject(s);
librdf_node* subject = plugin_node;
librdf_node* predicate = librdf_new_node_from_uri_string(world->world,
@@ -152,16 +161,16 @@ slv2_world_load_bundle(SLV2World world, const char* bundle_uri_str)
librdf_model_add(world->model, subject, predicate, object);
- librdf_query_results_next(results);
+ librdf_stream_next(results);
}
+ librdf_free_stream(results);
+
/* Join the temporary model to the main model */
librdf_stream* manifest_stream = librdf_model_as_stream(manifest_model);
librdf_model_add_statements(world->model, manifest_stream);
librdf_free_stream(manifest_stream);
- librdf_free_query(q);
- librdf_free_query_results(results);
librdf_free_model(manifest_model);
librdf_free_storage(manifest_storage);
librdf_free_uri(manifest_uri);