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-rw-r--r--src/plugin.c41
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)
{