summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPřemysl Janouch <p.janouch@gmail.com>2011-01-15 18:02:13 +0100
committerPřemysl Janouch <p.janouch@gmail.com>2011-01-16 12:17:51 +0100
commite9da09f196afccf26c17cb51fd86be9996fd2117 (patch)
tree3512e9ae805e6ad4a1da78717add7b1348889812
parent1201caf8a41d106b07593c010cb91ecc0e08b3a0 (diff)
downloadlogdiag-e9da09f196afccf26c17cb51fd86be9996fd2117.tar.gz
logdiag-e9da09f196afccf26c17cb51fd86be9996fd2117.tar.xz
logdiag-e9da09f196afccf26c17cb51fd86be9996fd2117.zip
Basic implementation of saving.
When the objects are stored, ensure that they have a "type" member that makes it possible to determine their class/purpose.
-rw-r--r--liblogdiag/ld-diagram.c59
1 files changed, 56 insertions, 3 deletions
diff --git a/liblogdiag/ld-diagram.c b/liblogdiag/ld-diagram.c
index 0129e2b..817f2ea 100644
--- a/liblogdiag/ld-diagram.c
+++ b/liblogdiag/ld-diagram.c
@@ -50,6 +50,9 @@ static void ld_diagram_dispose (GObject *gobject);
static void ld_diagram_finalize (GObject *gobject);
static gboolean write_signature (GOutputStream *stream, GError **error);
+static JsonNode *serialize_diagram (LdDiagram *self);
+static JsonNode *serialize_object (LdDiagramObject *object);
+static const gchar *get_object_class_string (GType type);
static void ld_diagram_real_changed (LdDiagram *self);
static void ld_diagram_clear_internal (LdDiagram *self);
@@ -307,12 +310,10 @@ ld_diagram_save_to_file (LdDiagram *self,
return FALSE;
}
- /* TODO: Implement saving for real. This is just a stub. */
generator = json_generator_new ();
g_object_set (generator, "pretty", TRUE, NULL);
- /* XXX: json-glib dislikes empty objects. */
- root = json_node_new (JSON_NODE_OBJECT);
+ root = serialize_diagram (self);
json_generator_set_root (generator, root);
json_node_free (root);
@@ -346,6 +347,58 @@ write_signature (GOutputStream *stream, GError **error)
return TRUE;
}
+static JsonNode *
+serialize_diagram (LdDiagram *self)
+{
+ JsonNode *root_node;
+ JsonObject *root_object;
+ JsonArray *objects_array;
+ GList *iter;
+
+ root_node = json_node_new (JSON_NODE_OBJECT);
+ root_object = json_object_new ();
+ json_node_take_object (root_node, root_object);
+
+ objects_array = json_array_new ();
+ iter = g_list_last (self->priv->objects);
+ for (; iter; iter = g_list_previous (iter))
+ json_array_add_element (objects_array,
+ serialize_object (LD_DIAGRAM_OBJECT (iter->data)));
+
+ json_object_set_int_member (root_object, "version", 1);
+ json_object_set_array_member (root_object, "objects", objects_array);
+ return root_node;
+}
+
+static JsonNode *
+serialize_object (LdDiagramObject *object)
+{
+ JsonNode *object_node, *object_type_node;
+ JsonObject *object_storage;
+
+ object_node = json_node_new (JSON_NODE_OBJECT);
+ object_storage = ld_diagram_object_get_storage (object);
+
+ object_type_node = json_object_get_member (object_storage, "type");
+ if (!object_type_node || !JSON_NODE_HOLDS_VALUE (object_type_node))
+ json_object_set_string_member (object_storage,
+ "type", get_object_class_string (G_OBJECT_TYPE (object)));
+
+ json_node_set_object (object_node, object_storage);
+ return object_node;
+}
+
+static const gchar *
+get_object_class_string (GType type)
+{
+ if (type == LD_TYPE_DIAGRAM_SYMBOL)
+ return "symbol";
+ if (type != LD_TYPE_DIAGRAM_OBJECT)
+ /* We don't know our own type, that's just plain wrong. */
+ g_warn_if_reached ();
+ return "object";
+}
+
/**
* ld_diagram_get_modified:
* @self: An #LdDiagram object.