[libvirt] [libvirt-glib 1/3] Add gvir_config_object_new{_from_xml} helpers

[Christophe Fergeau]

This factors the code that is repeated in the _new methods of
all classes deriving from GVirObject
---
 libvirt-gconfig/libvirt-gconfig-domain.c |   26 ++++++++++--------------
 libvirt-gconfig/libvirt-gconfig-object.c |   31 ++++++++++++++++++++++++++++++
 libvirt-gconfig/libvirt-gconfig-object.h |    8 +++++++
 libvirt-gconfig/libvirt-gconfig.sym      |    1 +
 4 files changed, 51 insertions(+), 15 deletions(-)

diff --git a/libvirt-gconfig/libvirt-gconfig-domain.c b/libvirt-gconfig/libvirt-gconfig-domain.c
index 837287c..3290389 100644
--- a/libvirt-gconfig/libvirt-gconfig-domain.c
+++ b/libvirt-gconfig/libvirt-gconfig-domain.c
@@ -147,27 +147,23 @@ static void gvir_config_domain_init(GVirConfigDomain *conn)
 GVirConfigDomain *gvir_config_domain_new_from_xml(const gchar *xml,
                                                   GError **error)
 {
-    xmlNodePtr node;
+    GVirConfigObject *object;
 
-    node = gvir_config_xml_parse(xml, "domain", error);
-    if ((error != NULL) && (*error != NULL))
-        return NULL;
-    return GVIR_CONFIG_DOMAIN(g_object_new(GVIR_TYPE_CONFIG_DOMAIN,
-                                           "node", node,
-                                           "schema", DATADIR "/libvirt/schemas/domain.rng",
-                                           NULL));
+    object = gvir_config_object_new_from_xml(GVIR_TYPE_CONFIG_DOMAIN,
+                                             "domain",
+                                             DATADIR "/libvirt/schemas/domain.rng",
+                                             xml, error);
+    return GVIR_CONFIG_DOMAIN(object);
 }
 
 GVirConfigDomain *gvir_config_domain_new(void)
 {
-    xmlDocPtr doc;
+    GVirConfigObject *object;
 
-    doc = xmlNewDoc((xmlChar *)"1.0");
-    doc->children = xmlNewDocNode(doc, NULL, (xmlChar *)"domain", NULL);
-    return GVIR_CONFIG_DOMAIN(g_object_new(GVIR_TYPE_CONFIG_DOMAIN,
-                                           "node", doc->children,
-                                           "schema", DATADIR "/libvirt/schemas/domain.rng",
-                                           NULL));
+    object = gvir_config_object_new(GVIR_TYPE_CONFIG_DOMAIN,
+                                    "domain",
+                                    DATADIR "/libvirt/schemas/domain.rng");
+    return GVIR_CONFIG_DOMAIN(object);
 }
 
 char *gvir_config_domain_get_name(GVirConfigDomain *domain)
diff --git a/libvirt-gconfig/libvirt-gconfig-object.c b/libvirt-gconfig/libvirt-gconfig-object.c
index e59cbcd..adbd955 100644
--- a/libvirt-gconfig/libvirt-gconfig-object.c
+++ b/libvirt-gconfig/libvirt-gconfig-object.c
@@ -355,3 +355,34 @@ void gvir_config_object_set_node_content_uint64(GVirConfigObject *object,
     gvir_config_object_set_node_content(object, node_name, str);
     g_free(str);
 }
+
+GVirConfigObject *gvir_config_object_new_from_xml(GType type,
+                                                  const char *root_name,
+                                                  const char *schema,
+                                                  const gchar *xml,
+                                                  GError **error)
+{
+    xmlNodePtr node;
+
+    node = gvir_config_xml_parse(xml, root_name, error);
+    if ((error != NULL) && (*error != NULL))
+        return NULL;
+    return GVIR_CONFIG_OBJECT(g_object_new(type,
+                                           "node", node,
+                                           "schema", schema,
+                                           NULL));
+}
+
+GVirConfigObject *gvir_config_object_new(GType type,
+                                         const char *root_name,
+                                         const char *schema)
+{
+    xmlDocPtr doc;
+
+    doc = xmlNewDoc((xmlChar *)"1.0");
+    doc->children = xmlNewDocNode(doc, NULL, (xmlChar *)root_name, NULL);
+    return GVIR_CONFIG_OBJECT(g_object_new(type,
+                                           "node", doc->children,
+                                           "schema", schema,
+                                           NULL));
+}
diff --git a/libvirt-gconfig/libvirt-gconfig-object.h b/libvirt-gconfig/libvirt-gconfig-object.h
index c203798..52e4525 100644
--- a/libvirt-gconfig/libvirt-gconfig-object.h
+++ b/libvirt-gconfig/libvirt-gconfig-object.h
@@ -59,6 +59,14 @@ struct _GVirConfigObjectClass
 
 GType gvir_config_object_get_type(void);
 
+GVirConfigObject *gvir_config_object_new(GType type,
+                                         const char *root_name,
+                                         const char *schema);
+GVirConfigObject *gvir_config_object_new_from_xml(GType type,
+                                                  const char *root_name,
+                                                  const char *schema,
+                                                  const gchar *xml,
+                                                  GError **error);
 void gvir_config_object_validate(GVirConfigObject *config,
                                  GError **err);
 
diff --git a/libvirt-gconfig/libvirt-gconfig.sym b/libvirt-gconfig/libvirt-gconfig.sym
index 951aac6..31a89d2 100644
--- a/libvirt-gconfig/libvirt-gconfig.sym
+++ b/libvirt-gconfig/libvirt-gconfig.sym
@@ -31,6 +31,7 @@ LIBVIRT_GOBJECT_0.0.1 {
 	gvir_config_object_get_type;
 	gvir_config_object_error_quark;
 	gvir_config_object_new;
+	gvir_config_object_new_from_xml;
 	gvir_config_object_get_schema;
 	gvir_config_object_get_xml_node;
 	gvir_config_object_to_xml;
-- 
1.7.7