1 files changed, 88 insertions, 0 deletions
diff --git a/src/pluginclass.c b/src/pluginclass.c
new file mode 100644
index 0000000..622ff8f
--- /dev/null
+++ b/src/pluginclass.c
@@ -0,0 +1,88 @@
+/*
+  Copyright 2007-2015 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "lilv_internal.h"
+
+LilvPluginClass*
+lilv_plugin_class_new(LilvWorld*      world,
+                      const SordNode* parent_node,
+                      const SordNode* uri,
+                      const char*     label)
+{
+	LilvPluginClass* pc = (LilvPluginClass*)malloc(sizeof(LilvPluginClass));
+	pc->world      = world;
+	pc->uri        = lilv_node_new_from_node(world, uri);
+	pc->label      = lilv_node_new(world, LILV_VALUE_STRING, label);
+	pc->parent_uri = (parent_node
+	                  ? lilv_node_new_from_node(world, parent_node)
+	                  : NULL);
+	return pc;
+}
+
+void
+lilv_plugin_class_free(LilvPluginClass* plugin_class)
+{
+	if (!plugin_class) {
+		return;
+	}
+
+	lilv_node_free(plugin_class->uri);
+	lilv_node_free(plugin_class->parent_uri);
+	lilv_node_free(plugin_class->label);
+	free(plugin_class);
+}
+
+LILV_API const LilvNode*
+lilv_plugin_class_get_parent_uri(const LilvPluginClass* plugin_class)
+{
+	return plugin_class->parent_uri ? plugin_class->parent_uri : NULL;
+}
+
+LILV_API const LilvNode*
+lilv_plugin_class_get_uri(const LilvPluginClass* plugin_class)
+{
+	return plugin_class->uri;
+}
+
+LILV_API const LilvNode*
+lilv_plugin_class_get_label(const LilvPluginClass* plugin_class)
+{
+	return plugin_class->label;
+}
+
+LILV_API LilvPluginClasses*
+lilv_plugin_class_get_children(const LilvPluginClass* plugin_class)
+{
+	// Returned list doesn't own categories
+	LilvPluginClasses* all    = plugin_class->world->plugin_classes;
+	LilvPluginClasses* result = zix_tree_new(false, lilv_ptr_cmp, NULL, NULL);
+
+	for (ZixTreeIter* i = zix_tree_begin((ZixTree*)all);
+	     i != zix_tree_end((ZixTree*)all);
+	     i = zix_tree_iter_next(i)) {
+		const LilvPluginClass* c      = (LilvPluginClass*)zix_tree_get(i);
+		const LilvNode*        parent = lilv_plugin_class_get_parent_uri(c);
+		if (parent && lilv_node_equals(lilv_plugin_class_get_uri(plugin_class),
+		                               parent)) {
+			zix_tree_insert((ZixTree*)result, (LilvPluginClass*)c, NULL);
+		}
+	}
+
+	return result;
+}