[gnome-builder] helpers: add ide_gettext() helper

[Christian Hergert <chergert src gnome org>]

commit cef340c4cb4f8dcaa72eef00583e9477e6aef976
Author: Christian Hergert <chergert redhat com>
Date:   Tue Oct 11 15:22:00 2016 -0700

    helpers: add ide_gettext() helper
    
    This can be used by plugins to reuse our gettext layer from
    C rather than duplicating effort for translation domains in
    the plugin layer.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=772733

 libide/util/ide-glib.c |   10 ++++++++++
 libide/util/ide-glib.h |   19 ++++++++++---------
 2 files changed, 20 insertions(+), 9 deletions(-)
---
diff --git a/libide/util/ide-glib.c b/libide/util/ide-glib.c
index 5599a90..0bfe8a3 100644
--- a/libide/util/ide-glib.c
+++ b/libide/util/ide-glib.c
@@ -18,6 +18,8 @@
 
 #define G_LOG_DOMAIN "ide-glib"
 
+#include "config.h"
+
 #include "ide-glib.h"
 
 typedef struct
@@ -171,3 +173,11 @@ ide_g_task_return_error_from_main (GTask  *task,
 
   task_state_attach (state);
 }
+
+const gchar *
+ide_gettext (const gchar *message)
+{
+  if (message != NULL)
+    return g_dgettext (GETTEXT_PACKAGE, message);
+  return NULL;
+}
diff --git a/libide/util/ide-glib.h b/libide/util/ide-glib.h
index 971bb18..1895dd6 100644
--- a/libide/util/ide-glib.h
+++ b/libide/util/ide-glib.h
@@ -23,15 +23,16 @@
 
 G_BEGIN_DECLS
 
-void ide_g_task_return_boolean_from_main (GTask          *task,
-                                          gboolean        value);
-void ide_g_task_return_int_from_main     (GTask          *task,
-                                          gint            value);
-void ide_g_task_return_pointer_from_main (GTask          *task,
-                                          gpointer        value,
-                                          GDestroyNotify  notify);
-void ide_g_task_return_error_from_main   (GTask          *task,
-                                          GError         *error);
+const gchar *ide_gettext                         (const gchar    *message);
+void         ide_g_task_return_boolean_from_main (GTask          *task,
+                                                  gboolean        value);
+void         ide_g_task_return_int_from_main     (GTask          *task,
+                                                  gint            value);
+void         ide_g_task_return_pointer_from_main (GTask          *task,
+                                                  gpointer        value,
+                                                  GDestroyNotify  notify);
+void         ide_g_task_return_error_from_main   (GTask          *task,
+                                                  GError         *error);
 
 G_END_DECLS