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-rw-r--r--src/lilv_internal.h1
-rw-r--r--src/plugin.c28
-rw-r--r--src/world.c1
3 files changed, 28 insertions, 2 deletions
diff --git a/src/lilv_internal.h b/src/lilv_internal.h
index 18aaed5..a6d53f7 100644
--- a/src/lilv_internal.h
+++ b/src/lilv_internal.h
@@ -150,6 +150,7 @@ struct LilvWorldImpl {
SordNode* lv2_Plugin;
SordNode* lv2_port;
SordNode* lv2_portProperty;
+ SordNode* lv2_relation;
SordNode* lv2_reportsLatency;
SordNode* lv2_requiredFeature;
SordNode* lv2_Specification;
diff --git a/src/plugin.c b/src/plugin.c
index c6d36a7..df113a0 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -585,8 +585,7 @@ lilv_plugin_has_latency(const LilvPlugin* p)
return ret;
}
-LILV_API
-LilvPort*
+static LilvPort*
lilv_plugin_get_port_by_property(const LilvPlugin* plugin,
const LilvNode* port_property)
{
@@ -611,6 +610,31 @@ lilv_plugin_get_port_by_property(const LilvPlugin* plugin,
}
LILV_API
+LilvPort*
+lilv_plugin_get_port_by_relation(const LilvPlugin* plugin,
+ const LilvNode* relation)
+{
+ lilv_plugin_load_ports_if_necessary(plugin);
+ for (uint32_t i = 0; i < plugin->num_ports; ++i) {
+ LilvPort* port = plugin->ports[i];
+ SordIter* iter = lilv_world_query_internal(
+ plugin->world,
+ port->node,
+ plugin->world->uris.lv2_relation,
+ relation->val.uri_val);
+
+ const bool found = !lilv_matches_end(iter);
+ lilv_match_end(iter);
+
+ if (found) {
+ return port;
+ }
+ }
+
+ return NULL;
+}
+
+LILV_API
uint32_t
lilv_plugin_get_latency_port_index(const LilvPlugin* p)
{
diff --git a/src/world.c b/src/world.c
index 28a58c5..198a02a 100644
--- a/src/world.c
+++ b/src/world.c
@@ -62,6 +62,7 @@ lilv_world_new(void)
world->uris.lv2_Plugin = NEW_URI(LILV_NS_LV2 "Plugin");
world->uris.lv2_port = NEW_URI(LILV_NS_LV2 "port");
world->uris.lv2_portProperty = NEW_URI(LILV_NS_LV2 "portProperty");
+ world->uris.lv2_relation = NEW_URI(LILV_NS_LV2 "relation");
world->uris.lv2_reportsLatency = NEW_URI(LILV_NS_LV2 "reportsLatency");
world->uris.lv2_requiredFeature = NEW_URI(LILV_NS_LV2 "requiredFeature");
world->uris.lv2_Specification = NEW_URI(LILV_NS_LV2 "Specification");