Move plugin system sources to lib/plugin-system

[babeltrace.git] / lib / plugin-system / component-class.c

diff --git a/lib/plugin-system/component-class.c b/lib/plugin-system/component-class.c
new file mode 100644 (file)
index 0000000..e0e2e0b
--- /dev/null
+++ b/lib/plugin-system/component-class.c
@@ -0,0 +1,103 @@
+/*
+ * component-class.c
+ *
+ * Babeltrace Plugin Component Class
+ * 
+ * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/compiler.h>
+#include <babeltrace/plugin/component-class-internal.h>
+#include <babeltrace/ref.h>
+#include <glib.h>
+
+static
+void bt_component_class_destroy(struct bt_object *obj)
+{
+       struct bt_component_class *class;
+
+       assert(obj);
+       class = container_of(obj, struct bt_component_class, base);
+       if (class->name) {
+               g_string_free(class->name, TRUE);
+       }
+       if (class->description) {
+               g_string_free(class->description, TRUE);
+       }
+
+       bt_put(class->plugin);
+       g_free(class);
+}
+
+BT_HIDDEN
+struct bt_component_class *bt_component_class_create(
+               enum bt_component_type type, const char *name,
+               const char *description, struct bt_plugin *plugin)
+{
+       struct bt_component_class *class;
+
+       class = g_new0(struct bt_component_class, 1);
+       if (!class) {
+               goto end;
+       }
+
+       bt_object_init(class, bt_component_class_destroy);
+       class->type = type;
+       class->name = g_string_new(name);
+       class->description = g_string_new(description);
+       if (!class->name || !class->description) {
+               BT_PUT(class);
+               goto end;
+       }
+
+       class->plugin = bt_get(plugin);
+end:
+       return class;
+}
+
+const char *bt_component_class_get_name(
+               struct bt_component_class *component_class)
+{
+       return component_class ? component_class->name->str : NULL;
+}
+
+enum bt_component_type bt_component_class_get_type(
+               struct bt_component_class *component_class)
+{
+       return component_class ? component_class->type :
+                       BT_COMPONENT_TYPE_UNKNOWN;
+}
+
+struct bt_plugin *bt_component_class_get_plugin(
+               struct bt_component_class *component_class)
+{
+       return component_class ? bt_get(component_class->plugin) :
+                       NULL;
+}
+
+const char *bt_component_class_get_description(
+               struct bt_component_class *component_class)
+{
+       return component_class ? component_class->description->str : NULL;
+}
+