diff options
Diffstat (limited to 'src/plugin.c')
| -rw-r--r-- | src/plugin.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/src/plugin.c b/src/plugin.c index 722caa1..7fe8e1d 100644 --- a/src/plugin.c +++ b/src/plugin.c @@ -37,6 +37,7 @@ slv2_plugin_new(SLV2World world, librdf_uri* uri, const char* binary_uri) plugin->world = world; plugin->plugin_uri = librdf_new_uri_from_uri(uri); plugin->binary_uri = strdup(binary_uri); + plugin->category = NULL; plugin->data_uris = slv2_strings_new(); plugin->ports = raptor_new_sequence((void (*)(void*))&slv2_port_free, NULL); plugin->storage = NULL; @@ -145,8 +146,32 @@ slv2_plugin_load(SLV2Plugin p) librdf_free_uri(data_uri); } - // Load ports + // Load category const unsigned char* query = (const unsigned char*) + "SELECT DISTINCT ?class WHERE { <> a ?class }"; + + librdf_query* q = librdf_new_query(p->world->world, "sparql", + NULL, query, p->plugin_uri); + + librdf_query_results* results = librdf_query_execute(q, p->rdf); + + while (!librdf_query_results_finished(results)) { + librdf_node* class_node = librdf_query_results_get_binding_value(results, 0); + librdf_uri* class_uri = librdf_node_get_uri(class_node); + const char* class_uri_str = (const char*)librdf_uri_as_string(class_uri); + + SLV2Category category = slv2_categories_get_by_uri(p->world->categories, class_uri_str); + + if (category) { + p->category = category; + break; + } + + librdf_query_results_next(results); + } + + // Load ports + query = (const unsigned char*) "PREFIX : <http://lv2plug.in/ontology#>\n" "SELECT DISTINCT ?port ?symbol ?index WHERE {\n" "<> :port ?port .\n" @@ -154,10 +179,10 @@ slv2_plugin_load(SLV2Plugin p) " :index ?index .\n" "}"; - librdf_query* q = librdf_new_query(p->world->world, "sparql", + q = librdf_new_query(p->world->world, "sparql", NULL, query, p->plugin_uri); - librdf_query_results* results = librdf_query_execute(q, p->rdf); + results = librdf_query_execute(q, p->rdf); while (!librdf_query_results_finished(results)) { @@ -217,6 +242,16 @@ slv2_plugin_get_library_uri(SLV2Plugin p) } +SLV2Category +slv2_plugin_get_category(SLV2Plugin p) +{ + if (!p->category) + slv2_plugin_load(p); + + return p->category; +} + + bool slv2_plugin_verify(SLV2Plugin plugin) { |