[glib PATCH 6/8] gconfig: Add _domain_capabilities_os_get_firmwares()

[Fabiano Fidêncio <fidencio@xxxxxxxxxx>]

Add a way to access the <enum name="firmware"/> element's conent from
<os/>.

Signed-off-by: Fabiano Fidêncio <fidencio@xxxxxxxxxx>
---
 .../libvirt-gconfig-domain-capabilities-os.c  | 74 ++++++++++++++++++-
 .../libvirt-gconfig-domain-capabilities-os.h  |  7 +-
 libvirt-gconfig/libvirt-gconfig.sym           |  1 +
 3 files changed, 80 insertions(+), 2 deletions(-)

diff --git a/libvirt-gconfig/libvirt-gconfig-domain-capabilities-os.c b/libvirt-gconfig/libvirt-gconfig-domain-capabilities-os.c
index d3b6e3c..98a1bff 100644
--- a/libvirt-gconfig/libvirt-gconfig-domain-capabilities-os.c
+++ b/libvirt-gconfig/libvirt-gconfig-domain-capabilities-os.c
@@ -33,11 +33,83 @@ struct _GVirConfigDomainCapabilitiesOsPrivate
 
 G_DEFINE_TYPE_WITH_PRIVATE(GVirConfigDomainCapabilitiesOs, gvir_config_domain_capabilities_os, GVIR_CONFIG_TYPE_OBJECT);
 
-static void gvir_config_domain_capabilities_os_class_init(GVirConfigDomainCapabilitiesOsClass *klass G_GNUC_UNUSED)
+static GList *
+_gvir_config_domain_capabilities_os_get_firmwares(GVirConfigDomainCapabilitiesOs *os);
+
+static void gvir_config_domain_capabilities_os_class_init(GVirConfigDomainCapabilitiesOsClass *klass)
 {
+    klass->get_firmwares = _gvir_config_domain_capabilities_os_get_firmwares;
 }
 
 static void gvir_config_domain_capabilities_os_init(GVirConfigDomainCapabilitiesOs *os)
 {
     os->priv = GVIR_CONFIG_DOMAIN_CAPABILITIES_OS_GET_PRIVATE(os);
 }
+
+static gboolean add_firmwares(xmlNodePtr node, gpointer opaque)
+{
+    GList **firmwares = opaque;
+    GVirConfigDomainOsFirmware firmware;
+
+    if (node == NULL || node->children == NULL)
+        return TRUE;
+
+    firmware = gvir_config_genum_get_value
+                        (GVIR_CONFIG_TYPE_DOMAIN_OS_FIRMWARE,
+                         (const gchar *)node->children->content,
+                         GVIR_CONFIG_DOMAIN_OS_FIRMWARE_BIOS);
+    *firmwares = g_list_append(*firmwares, GINT_TO_POINTER(firmware));
+
+    return TRUE;
+}
+
+static gboolean search_firmwares(xmlNodePtr node, gpointer opaque)
+{
+    const gchar *content;
+
+    if (!g_str_equal(node->name, "enum"))
+        return TRUE;
+
+    content = gvir_config_xml_get_attribute_content(node, "name");
+    if (content == NULL)
+        return TRUE;
+
+    if (!g_str_equal(content, "firmware"))
+        return TRUE;
+
+    gvir_config_xml_foreach_child(node,
+                                  add_firmwares,
+                                  opaque);
+
+    return TRUE;
+}
+
+static GList *
+_gvir_config_domain_capabilities_os_get_firmwares(GVirConfigDomainCapabilitiesOs *os)
+{
+    GList *firmwares = NULL;
+
+    g_return_val_if_fail(GVIR_CONFIG_IS_DOMAIN_CAPABILITIES_OS(os), NULL);
+
+    gvir_config_object_foreach_child(GVIR_CONFIG_OBJECT(os),
+                                     NULL,
+                                     search_firmwares,
+                                     &firmwares);
+
+    return firmwares;
+}
+
+/**
+ * gvir_config_domain_capabilities_os_get_firmwares:
+ *
+ * Gets the firmwares supported by @os. The returned list should be freed with
+ * g_list_free().
+ *
+ * Returns: (element-type LibvirtGConfig.DomainOsFirmware) (transfer container):
+ * a newly allocated #GList of #GVirConfigDomainOsFirmware.
+ */
+GList *
+gvir_config_domain_capabilities_os_get_firmwares(GVirConfigDomainCapabilitiesOs *os)
+{
+    return GVIR_CONFIG_DOMAIN_CAPABILITIES_OS_GET_CLASS(os)->get_firmwares(os);
+}
diff --git a/libvirt-gconfig/libvirt-gconfig-domain-capabilities-os.h b/libvirt-gconfig/libvirt-gconfig-domain-capabilities-os.h
index dba8572..ce36be2 100644
--- a/libvirt-gconfig/libvirt-gconfig-domain-capabilities-os.h
+++ b/libvirt-gconfig/libvirt-gconfig-domain-capabilities-os.h
@@ -51,11 +51,16 @@ struct _GVirConfigDomainCapabilitiesOsClass
 {
     GVirConfigObjectClass parent_class;
 
-    gpointer padding[20];
+    GList *(*get_firmwares)(GVirConfigDomainCapabilitiesOs *os);
+
+    gpointer padding[19];
 };
 
 GType gvir_config_domain_capabilities_os_get_type(void);
 
+GList *
+gvir_config_domain_capabilities_os_get_firmwares(GVirConfigDomainCapabilitiesOs *os);
+
 G_END_DECLS
 
 #endif /* __LIBVIRT_GCONFIG_DOMAIN_CAPABILITIES_OS_H__ */
diff --git a/libvirt-gconfig/libvirt-gconfig.sym b/libvirt-gconfig/libvirt-gconfig.sym
index 783b0d7..d40bb7b 100644
--- a/libvirt-gconfig/libvirt-gconfig.sym
+++ b/libvirt-gconfig/libvirt-gconfig.sym
@@ -778,6 +778,7 @@ global:
 	gvir_config_domain_capabilities_get_type;
 	gvir_config_domain_capabilities_new;
 	gvir_config_domain_capabilities_new_from_xml;
+	gvir_config_domain_capabilities_os_get_firmwares;
 	gvir_config_domain_capabilities_os_get_type;
 	gvir_config_domain_os_firmware_get_type;
 	gvir_config_domain_os_set_firmware;
-- 
2.21.0

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