Implement serialization to GVariant (WIP).

2011-02-02 18:40:52 +09:00
parent 453c3fee79
commit b631f54a54
7 changed files with 338 additions and 4 deletions
--- a/eek/eek-serializable.c
+++ b/eek/eek-serializable.c
@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2008-2010 Peng Huang <shawn.p.huang@gmail.com>
+ * Copyright (C) 2008-2010 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#include "eek-serializable.h"
+
+GType
+eek_serializable_get_type (void)
+{
+    static GType iface_type = 0;
+    if (iface_type == 0) {
+        static const GTypeInfo info = {
+            sizeof (EekSerializableIface),
+            NULL,
+            NULL,
+        };
+        iface_type = g_type_register_static (G_TYPE_INTERFACE,
+                                             "EekSerializable",
+                                             &info, 0);
+    }
+    return iface_type;
+}
+
+GVariant *
+eek_serializable_serialize (EekSerializable *object)
+{
+    GVariantBuilder builder;
+
+    g_return_val_if_fail (EEK_IS_SERIALIZABLE (object), FALSE);
+
+    g_variant_builder_init (&builder, G_VARIANT_TYPE_TUPLE);
+    g_variant_builder_add (&builder, "s", g_type_name (G_OBJECT_TYPE (object)));
+    EEK_SERIALIZABLE_GET_IFACE (object)->serialize (object, &builder);
+
+    return g_variant_builder_end (&builder);
+}
+
+EekSerializable *
+eek_serializable_deserialize (GVariant *variant)
+{
+    GVariant *var = NULL;
+    gchar *type_name = NULL;
+    GType type;
+    EekSerializable *object;
+
+    g_return_val_if_fail (variant != NULL, NULL);
+
+    g_variant_get_child (var, 0, "&s", &type_name);
+    type = g_type_from_name (type_name);
+
+    g_return_val_if_fail (g_type_is_a (type, EEK_TYPE_SERIALIZABLE), NULL);
+
+    object = g_object_new (type, NULL);
+
+    EEK_SERIALIZABLE_GET_IFACE (object)->deserialize (object, var, 1);
+    g_variant_unref (var);
+
+    g_object_unref (object);
+    g_return_val_if_reached (NULL);
+}