[gnome-builder] libide/core: add ide_action_muxer_get_group()

[Christian Hergert <chergert src gnome org>]

commit 35fb1e67066f2c6f4298b380b9ee0eb0b1eacc41
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jul 26 18:02:28 2022 -0700

    libide/core: add ide_action_muxer_get_group()
    
    This is nice from a readback perspective.

 src/libide/core/ide-action-muxer.c | 34 ++++++++++++++++++++++++++++++++++
 src/libide/core/ide-action-muxer.h |  3 +++
 2 files changed, 37 insertions(+)
---
diff --git a/src/libide/core/ide-action-muxer.c b/src/libide/core/ide-action-muxer.c
index 558fcff8c..0ffd5a6b2 100644
--- a/src/libide/core/ide-action-muxer.c
+++ b/src/libide/core/ide-action-muxer.c
@@ -350,6 +350,40 @@ ide_action_muxer_remove_action_group (IdeActionMuxer *self,
   ide_action_muxer_insert_action_group (self, prefix, NULL);
 }
 
+/**
+ * ide_action_muxer_get_action_group:
+ * @self: a #IdeActionMuxer
+ * @prefix: the name of the inserted action group
+ *
+ * Locates the #GActionGroup inserted as @prefix.
+ *
+ * If no group was found matching @group, %NULL is returned.
+ *
+ * Returns: (transfer none) (nullable): a #GActionGroup matching @prefix if
+ *   found, otherwise %NULL.
+ */
+GActionGroup *
+ide_action_muxer_get_action_group (IdeActionMuxer *self,
+                                   const char     *prefix)
+{
+  g_autofree char *prefix_dot = NULL;
+
+  g_return_val_if_fail (IDE_IS_ACTION_MUXER (self), NULL);
+  g_return_val_if_fail (prefix!= NULL, NULL);
+
+  prefix_dot = g_strconcat (prefix, ".", NULL);
+
+  for (guint i = 0; i < self->action_groups->len; i++)
+    {
+      const PrefixedActionGroup *pag = g_ptr_array_index (self->action_groups, i);
+
+      if (g_strcmp0 (pag->prefix, prefix_dot) == 0)
+        return pag->action_group;
+    }
+
+  return NULL;
+}
+
 static gboolean
 ide_action_muxer_has_action (GActionGroup *group,
                              const char   *action_name)
diff --git a/src/libide/core/ide-action-muxer.h b/src/libide/core/ide-action-muxer.h
index 2cf5c284c..0f95ce538 100644
--- a/src/libide/core/ide-action-muxer.h
+++ b/src/libide/core/ide-action-muxer.h
@@ -42,5 +42,8 @@ void             ide_action_muxer_remove_action_group (IdeActionMuxer *self,
                                                        const char     *prefix);
 IDE_AVAILABLE_IN_ALL
 char           **ide_action_muxer_list_groups         (IdeActionMuxer *self);
+IDE_AVAILABLE_IN_ALL
+GActionGroup    *ide_action_muxer_get_action_group    (IdeActionMuxer *self,
+                                                       const char     *prefix);
 
 G_END_DECLS