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goption: Add boxed type for GOptionGroup

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This would allow bindings to use _get_option_group() functions, which
would then allow them to use GOption parsing.

This also adds introspection annotations to
g_option_context_add_group(), g_option_context_set_main_group() and
g_option_context_get_main_group().

https://bugzilla.gnome.org/show_bug.cgi?id=743349
This commit is contained in:
Bastien Nocera 2015-01-22 14:44:47 +01:00
parent 93f2998765
commit 43df97ab86
4 changed files with 86 additions and 28 deletions
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95
glib/goption.c
View File

@ -267,6 +267,8 @@ struct _GOptionGroup
gchar *description;
gchar *help_description;
gint ref_count;
GDestroyNotify destroy_notify;
gpointer user_data;
@ -382,10 +384,10 @@ void g_option_context_free (GOptionContext *context)
{
g_return_if_fail (context != NULL);
g_list_free_full (context->groups, (GDestroyNotify) g_option_group_free);
g_list_free_full (context->groups, (GDestroyNotify) g_option_group_unref);
if (context->main_group)
g_option_group_free (context->main_group);
g_option_group_unref (context->main_group);
free_changes_list (context, FALSE);
free_pending_nulls (context, FALSE);
@ -549,13 +551,11 @@ g_option_context_get_strict_posix (GOptionContext *context)
/**
* g_option_context_add_group:
* @context: a #GOptionContext
* @group: the group to add
* @group: (transfer full): the group to add
*
* Adds a #GOptionGroup to the @context, so that parsing with @context
* will recognize the options in the group. Note that the group will
* be freed together with the context when g_option_context_free() is
* called, so you must not free the group yourself after adding it
* to a context.
* will recognize the options in the group. Note that this will take
* ownership of the @group and thus the @group should not be freed.
*
* Since: 2.6
**/
@ -587,7 +587,7 @@ g_option_context_add_group (GOptionContext *context,
/**
* g_option_context_set_main_group:
* @context: a #GOptionContext
* @group: the group to set as main group
* @group: (transfer full): the group to set as main group
*
* Sets a #GOptionGroup as main group of the @context.
* This has the same effect as calling g_option_context_add_group(),
@ -619,9 +619,9 @@ g_option_context_set_main_group (GOptionContext *context,
*
* Returns a pointer to the main group of @context.
*
* Returns: the main group of @context, or %NULL if @context doesn't
* have a main group. Note that group belongs to @context and should
* not be modified or freed.
* Returns: (transfer none): the main group of @context, or %NULL if
* @context doesn't have a main group. Note that group belongs to
* @context and should not be modified or freed.
*
* Since: 2.6
**/
@ -2232,7 +2232,7 @@ g_option_context_parse (GOptionContext *context,
* Creates a new #GOptionGroup.
*
* Returns: a newly created option group. It should be added
* to a #GOptionContext or freed with g_option_group_free().
* to a #GOptionContext or freed with g_option_group_unref().
*
* Since: 2.6
**/
@ -2247,6 +2247,7 @@ g_option_group_new (const gchar *name,
GOptionGroup *group;
group = g_new0 (GOptionGroup, 1);
group->ref_count = 1;
group->name = g_strdup (name);
group->description = g_strdup (description);
group->help_description = g_strdup (help_description);
@ -2265,27 +2266,67 @@ g_option_group_new (const gchar *name,
* which have been added to a #GOptionContext.
*
* Since: 2.6
*
* Deprecated: 2.44: Use g_option_group_unref() instead.
*/
void
g_option_group_free (GOptionGroup *group)
{
g_return_if_fail (group != NULL);
g_free (group->name);
g_free (group->description);
g_free (group->help_description);
g_free (group->entries);
if (group->destroy_notify)
(* group->destroy_notify) (group->user_data);
if (group->translate_notify)
(* group->translate_notify) (group->translate_data);
g_free (group);
g_option_group_unref (group);
}
/**
* g_option_group_ref:
* @group: a #GOptionGroup
*
* Increments the reference count of @group by one.
*
* Returns: a #GoptionGroup
*
* Since: 2.44
*/
GOptionGroup *
g_option_group_ref (GOptionGroup *group)
{
g_return_val_if_fail (group != NULL, NULL);
group->ref_count++;
return group;
}
/**
* g_option_group_unref:
* @group: a #GOptionGroup
*
* Decrements the reference count of @group by one.
* If the reference count drops to 0, the @group will be freed.
* and all memory allocated by the @group is released.
*
* Since: 2.44
*/
void
g_option_group_unref (GOptionGroup *group)
{
g_return_if_fail (group != NULL);
if (--group->ref_count == 0)
{
g_free (group->name);
g_free (group->description);
g_free (group->help_description);
g_free (group->entries);
if (group->destroy_notify)
(* group->destroy_notify) (group->user_data);
if (group->translate_notify)
(* group->translate_notify) (group->translate_data);
g_free (group);
}
}
/**
* g_option_group_add_entries:

6
glib/goption.h
View File

@ -364,8 +364,12 @@ void g_option_group_set_parse_hooks (GOptionGroup *group,
GLIB_AVAILABLE_IN_ALL
void g_option_group_set_error_hook (GOptionGroup *group,
GOptionErrorFunc error_func);
GLIB_AVAILABLE_IN_ALL
GLIB_DEPRECATED_IN_2_44
void g_option_group_free (GOptionGroup *group);
GLIB_AVAILABLE_IN_2_44
GOptionGroup *g_option_group_ref (GOptionGroup *group);
GLIB_AVAILABLE_IN_2_44
void g_option_group_unref (GOptionGroup *group);
GLIB_AVAILABLE_IN_ALL
void g_option_group_add_entries (GOptionGroup *group,
const GOptionEntry *entries);

2
gobject/gboxed.c
View File

@ -165,6 +165,8 @@ G_DEFINE_BOXED_TYPE (GMarkupParseContext, g_markup_parse_context, g_markup_parse
G_DEFINE_BOXED_TYPE (GThread, g_thread, g_thread_ref, g_thread_unref)
G_DEFINE_BOXED_TYPE (GChecksum, g_checksum, g_checksum_copy, g_checksum_free)
G_DEFINE_BOXED_TYPE (GOptionGroup, g_option_group, g_option_group_ref, g_option_group_unref)
/* This one can't use G_DEFINE_BOXED_TYPE (GStrv, g_strv, g_strdupv, g_strfreev) */
GType
g_strv_get_type (void)

11
gobject/glib-types.h
View File

@ -288,6 +288,15 @@ typedef gsize GType;
*/
#define G_TYPE_CHECKSUM (g_checksum_get_type ())
/**
* G_TYPE_OPTION_GROUP:
*
* The #GType for a boxed type holding a #GOptionGroup.
*
* Since: 2.44
*/
#define G_TYPE_OPTION_GROUP (g_option_group_get_type ())
GLIB_AVAILABLE_IN_ALL
GType g_date_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_ALL
@ -342,6 +351,8 @@ GLIB_AVAILABLE_IN_2_36
GType g_markup_parse_context_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_2_40
GType g_mapped_file_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_2_44
GType g_option_group_get_type (void) G_GNUC_CONST;
GLIB_DEPRECATED_FOR('G_TYPE_VARIANT')
GType g_variant_get_gtype (void) G_GNUC_CONST;