[libvirt] [libvirt-glib 01/37] Add gvir_config_object_new_child helper

[Marc-André Lureau]

hi

The functions declaration should be put in -private.h . Marking
definition G_GNUC_INTERNAL would also make it more obvious.

It would also less confuse gir-scanner which doesn't know about libxml types.

On Thu, Nov 10, 2011 at 9:33 PM, Christophe Fergeau <cfergeau at redhat.com> wrote:
> This allows us to factor the code to add an XML node to a config
> object.
> ---
>  libvirt-gconfig/libvirt-gconfig-object.c |   72 ++++++++++++++++++------------
>  libvirt-gconfig/libvirt-gconfig-object.h |    4 ++
>  libvirt-gconfig/libvirt-gconfig.h        |    2 +-
>  3 files changed, 49 insertions(+), 29 deletions(-)
>
> diff --git a/libvirt-gconfig/libvirt-gconfig-object.c b/libvirt-gconfig/libvirt-gconfig-object.c
> index fbdbedd..598ac0c 100644
> --- a/libvirt-gconfig/libvirt-gconfig-object.c
> +++ b/libvirt-gconfig/libvirt-gconfig-object.c
> @@ -294,35 +294,62 @@ char *gvir_config_object_get_node_content(GVirConfigObject *object,
>     return gvir_config_xml_get_child_element_content_glib(node, node_name);
>  }
>
> -/* FIXME: if there are multiple nodes with the same name, this function
> - * won't behave as expected. Should we get rid of the duplicated node names
> - * here?
> - */
> -void gvir_config_object_set_node_content(GVirConfigObject *object,
> -                                         const char *node_name,
> -                                         const char *value)
> +void
> +gvir_config_object_set_child(GVirConfigObject *object, xmlNodePtr child)
>  {
>     xmlNodePtr parent_node;
>     xmlNodePtr old_node;
> -    xmlNodePtr new_node;
> -    xmlChar *encoded_name;
>
>     parent_node = gvir_config_object_get_xml_node(GVIR_CONFIG_OBJECT(object));
> -    encoded_name = xmlEncodeEntitiesReentrant(parent_node->doc,
> -                                              (xmlChar *)value);
> -    new_node = xmlNewDocNode(parent_node->doc, NULL,
> -                             (xmlChar *)node_name, encoded_name);
> -    xmlFree(encoded_name);
> +    g_return_if_fail (parent_node != NULL);
>
> -    old_node = gvir_config_xml_get_element(parent_node, node_name, NULL);
> +    old_node = gvir_config_xml_get_element(parent_node, child->name, NULL);
> +    /* FIXME: should we make sure there are no multiple occurrences
> +     * of this node?
> +     */
>     if (old_node) {
> -        old_node = xmlReplaceNode(old_node, new_node);
> +        old_node = xmlReplaceNode(old_node, child);
>         xmlFreeNode(old_node);
>     } else {
> -        xmlAddChild(parent_node, new_node);
> +        xmlAddChild(parent_node, child);
>     }
>  }
>
> +xmlNodePtr
> +gvir_config_object_new_child(GVirConfigObject *object, const char *child_name)
> +{
> +    xmlNodePtr new_node;
> +
> +    new_node = xmlNewDocNode(NULL, NULL, (xmlChar *)child_name, NULL);
> +    gvir_config_object_set_child(object, new_node);
> +    return new_node;
> +}
> +
> +void gvir_config_object_set_node_content(GVirConfigObject *object,
> +                                         const char *node_name,
> +                                         const char *value)
> +{
> +    xmlNodePtr node;
> +    xmlChar *encoded_data;
> +
> +    node = gvir_config_object_new_child(object, node_name);
> +    g_return_if_fail(node != NULL);
> +    encoded_data = xmlEncodeEntitiesReentrant(node->doc,
> +                                              (xmlChar *)value);
> +    xmlNodeSetContent(node, encoded_data);
> +    xmlFree(encoded_data);
> +}
> +
> +void gvir_config_object_set_node_content_uint64(GVirConfigObject *object,
> +                                                const char *node_name,
> +                                                guint64 value)
> +{
> +    char *str;
> +    str = g_strdup_printf("%"G_GUINT64_FORMAT, value);
> +    gvir_config_object_set_node_content(object, node_name, str);
> +    g_free(str);
> +}
> +
>  /* FIXME: how to notify of errors/node not found? */
>  guint64 gvir_config_object_get_node_content_uint64(GVirConfigObject *object,
>                                                    const char *node_name)
> @@ -345,17 +372,6 @@ guint64 gvir_config_object_get_node_content_uint64(GVirConfigObject *object,
>     return value;
>  }
>
> -
> -void gvir_config_object_set_node_content_uint64(GVirConfigObject *object,
> -                                                const char *node_name,
> -                                                guint64 value)
> -{
> -    char *str;
> -    str = g_strdup_printf("%"G_GUINT64_FORMAT, value);
> -    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,
> diff --git a/libvirt-gconfig/libvirt-gconfig-object.h b/libvirt-gconfig/libvirt-gconfig-object.h
> index 52e4525..8e67b92 100644
> --- a/libvirt-gconfig/libvirt-gconfig-object.h
> +++ b/libvirt-gconfig/libvirt-gconfig-object.h
> @@ -78,6 +78,10 @@ char *gvir_config_object_get_node_content(GVirConfigObject *object,
>                                           const char *node_name);
>  guint64 gvir_config_object_get_node_content_uint64(GVirConfigObject *object,
>                                                    const char *node_name);
> +xmlNodePtr gvir_config_object_new_child(GVirConfigObject *object,
> +                                        const char *child_name);
> +void gvir_config_object_set_child(GVirConfigObject *object,
> +                                  xmlNodePtr child);
>  void gvir_config_object_set_node_content(GVirConfigObject *object,
>                                          const char *node_name,
>                                          const char *value);
> diff --git a/libvirt-gconfig/libvirt-gconfig.h b/libvirt-gconfig/libvirt-gconfig.h
> index fdc78a4..4e23f0d 100644
> --- a/libvirt-gconfig/libvirt-gconfig.h
> +++ b/libvirt-gconfig/libvirt-gconfig.h
> @@ -26,11 +26,11 @@
>  #include <glib-object.h>
>  #include <libxml/tree.h>
>
> -#include <libvirt-gconfig/libvirt-gconfig-helpers.h>
>  #include <libvirt-gconfig/libvirt-gconfig-object.h>
>  #include <libvirt-gconfig/libvirt-gconfig-capabilities.h>
>  #include <libvirt-gconfig/libvirt-gconfig-domain.h>
>  #include <libvirt-gconfig/libvirt-gconfig-domain-snapshot.h>
> +#include <libvirt-gconfig/libvirt-gconfig-helpers.h>
>  #include <libvirt-gconfig/libvirt-gconfig-interface.h>
>  #include <libvirt-gconfig/libvirt-gconfig-network.h>
>  #include <libvirt-gconfig/libvirt-gconfig-node-device.h>
> --
> 1.7.7
>
> --
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>



-- 
Marc-André Lureau