Move general model query functions to a separate file

1 files changed, 53 insertions, 0 deletions

diff --git a/src/query.c b/src/query.c
new file mode 100644
index 0000000..f3b9724
--- /dev/null
+++ b/src/query.c
@@ -0,0 +1,53 @@
+// Copyright 2012-2024 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#include "query.h"
+
+#include "lv2/core/lv2.h"
+#include "lv2/ui/ui.h"
+
+bool
+jalv_port_has_designation(const JalvNodes* const  nodes,
+                          const LilvPlugin* const plugin,
+                          const LilvPort* const   port,
+                          const LilvNode* const   designation)
+{
+  LilvNodes* const designations =
+    lilv_port_get_value(plugin, port, nodes->lv2_designation);
+
+  bool found = false;
+  LILV_FOREACH (nodes, n, designations) {
+    const LilvNode* const node = lilv_nodes_get(designations, n);
+    if (lilv_node_equals(node, designation)) {
+      found = true;
+      break;
+    }
+  }
+
+  lilv_nodes_free(designations);
+  return found;
+}
+
+bool
+jalv_ui_is_resizable(LilvWorld* const world, const LilvUI* const ui)
+{
+  if (!ui) {
+    return false;
+  }
+
+  const LilvNode* s   = lilv_ui_get_uri(ui);
+  LilvNode*       p   = lilv_new_uri(world, LV2_CORE__optionalFeature);
+  LilvNode*       fs  = lilv_new_uri(world, LV2_UI__fixedSize);
+  LilvNode*       nrs = lilv_new_uri(world, LV2_UI__noUserResize);
+
+  LilvNodes* fs_matches  = lilv_world_find_nodes(world, s, p, fs);
+  LilvNodes* nrs_matches = lilv_world_find_nodes(world, s, p, nrs);
+
+  lilv_nodes_free(nrs_matches);
+  lilv_nodes_free(fs_matches);
+  lilv_node_free(nrs);
+  lilv_node_free(fs);
+  lilv_node_free(p);
+
+  return !fs_matches && !nrs_matches;
+}