1 files changed, 111 insertions, 0 deletions
diff --git a/src/ui.c b/src/ui.c
new file mode 100644
index 0000000..e3a9b2b
--- /dev/null
+++ b/src/ui.c
@@ -0,0 +1,111 @@
+/*
+  Copyright 2007-2014 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 <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "lilv_internal.h"
+
+LilvUI*
+lilv_ui_new(LilvWorld* world,
+            LilvNode* uri,
+            LilvNode* type_uri,
+            LilvNode* binary_uri)
+{
+	assert(uri);
+	assert(type_uri);
+	assert(binary_uri);
+
+	LilvUI* ui = (LilvUI*)malloc(sizeof(LilvUI));
+	ui->world      = world;
+	ui->uri        = uri;
+	ui->binary_uri = binary_uri;
+
+	// FIXME: kludge
+	char* bundle     = lilv_strdup(lilv_node_as_string(ui->binary_uri));
+	char* last_slash = strrchr(bundle, '/') + 1;
+	*last_slash = '\0';
+	ui->bundle_uri = lilv_new_uri(world, bundle);
+	free(bundle);
+
+	ui->classes = lilv_nodes_new();
+	zix_tree_insert((ZixTree*)ui->classes, type_uri, NULL);
+
+	return ui;
+}
+
+void
+lilv_ui_free(LilvUI* ui)
+{
+	lilv_node_free(ui->uri);
+	lilv_node_free(ui->bundle_uri);
+	lilv_node_free(ui->binary_uri);
+	lilv_nodes_free(ui->classes);
+	free(ui);
+}
+
+LILV_API const LilvNode*
+lilv_ui_get_uri(const LilvUI* ui)
+{
+	return ui->uri;
+}
+
+LILV_API unsigned
+lilv_ui_is_supported(const LilvUI*       ui,
+                     LilvUISupportedFunc supported_func,
+                     const LilvNode*     container_type,
+                     const LilvNode**    ui_type)
+{
+	const LilvNodes* classes = lilv_ui_get_classes(ui);
+	LILV_FOREACH(nodes, c, classes) {
+		const LilvNode* type = lilv_nodes_get(classes, c);
+		const unsigned  q    = supported_func(lilv_node_as_uri(container_type),
+		                                      lilv_node_as_uri(type));
+		if (q) {
+			if (ui_type) {
+				*ui_type = type;
+			}
+			return q;
+		}
+	}
+
+	return 0;
+}
+
+LILV_API const LilvNodes*
+lilv_ui_get_classes(const LilvUI* ui)
+{
+	return ui->classes;
+}
+
+LILV_API bool
+lilv_ui_is_a(const LilvUI* ui, const LilvNode* class_uri)
+{
+	return lilv_nodes_contains(ui->classes, class_uri);
+}
+
+LILV_API const LilvNode*
+lilv_ui_get_bundle_uri(const LilvUI* ui)
+{
+	return ui->bundle_uri;
+}
+
+LILV_API const LilvNode*
+lilv_ui_get_binary_uri(const LilvUI* ui)
+{
+	return ui->binary_uri;
+}