[gnome-builder] libide: add basic IdeFileSettings abstraction

[Christian Hergert <chergert src gnome org>]

commit ba9fc9d0d7127e71934c1e907bbe355fa3cf9df8
Author: Christian Hergert <christian hergert me>
Date:   Sat Feb 14 17:22:39 2015 -0800

    libide: add basic IdeFileSettings abstraction
    
    This will allow us to have various file settings backends, such as
    editorconfig, modelines, or gsettings.

 libide/ide-file.c  |   65 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 libide/ide-file.h  |   23 ++++++++++++------
 libide/ide-types.h |    2 +
 libide/ide.c       |    2 +
 4 files changed, 84 insertions(+), 8 deletions(-)
---
diff --git a/libide/ide-file.c b/libide/ide-file.c
index 0e10441..e4ea535 100644
--- a/libide/ide-file.c
+++ b/libide/ide-file.c
@@ -20,6 +20,7 @@
 #include <gtksourceview/gtksource.h>
 
 #include "ide-file.h"
+#include "ide-file-settings.h"
 #include "ide-language.h"
 
 typedef struct
@@ -228,6 +229,70 @@ ide_file_set_path (IdeFile     *self,
 }
 
 static void
+ide_file_load_settings_cb (GObject      *object,
+                           GAsyncResult *result,
+                           gpointer      user_data)
+{
+  g_autoptr(GTask) task = user_data;
+  g_autoptr(IdeObject) ret = NULL;
+  GError *error = NULL;
+
+  g_return_if_fail (G_IS_TASK (task));
+
+  ret = ide_object_new_finish (result, &error);
+
+  if (!ret)
+    {
+      g_task_return_error (task, error);
+      return;
+    }
+
+  g_task_return_pointer (task, g_object_ref (ret), g_object_unref);
+}
+
+void
+ide_file_load_settings_async (IdeFile              *self,
+                              GCancellable         *cancellable,
+                              GAsyncReadyCallback   callback,
+                              gpointer              user_data)
+{
+  g_autoptr(GTask) task = NULL;
+
+  g_return_if_fail (IDE_IS_FILE (self));
+  g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
+
+  task = g_task_new (self, cancellable, callback, user_data);
+
+  ide_object_new_async (IDE_FILE_SETTINGS_EXTENSION_POINT,
+                        G_PRIORITY_DEFAULT,
+                        cancellable,
+                        ide_file_load_settings_cb,
+                        g_object_ref (task),
+                        "file", self,
+                        NULL);
+}
+
+/**
+ * ide_file_load_settings_finish:
+ *
+ *
+ *
+ * Returns: (transfer full): An #IdeFileSettings or %NULL upon failure and
+ *   @error is set.
+ */
+IdeFileSettings *
+ide_file_load_settings_finish (IdeFile              *self,
+                               GAsyncResult         *result,
+                               GError              **error)
+{
+  GTask *task = (GTask *)result;
+
+  g_return_val_if_fail (G_IS_TASK (task), NULL);
+
+  return g_task_propagate_pointer (task, error);
+}
+
+static void
 ide_file_finalize (GObject *object)
 {
   IdeFile *self = (IdeFile *)object;
diff --git a/libide/ide-file.h b/libide/ide-file.h
index 77606a0..da32de0 100644
--- a/libide/ide-file.h
+++ b/libide/ide-file.h
@@ -32,14 +32,21 @@ struct _IdeFile
   IdeObject parent_instance;
 };
 
-IdeLanguage     *ide_file_get_language      (IdeFile *self);
-GFile           *ide_file_get_file          (IdeFile *self);
-const gchar     *ide_file_get_project_path  (IdeFile *self);
-guint            ide_file_hash              (IdeFile *self);
-gboolean         ide_file_equal             (IdeFile *self,
-                                             IdeFile *other);
-const gchar     *ide_file_get_path          (IdeFile *self);
-//IdeFileSettings *ide_file_get_file_settings (IdeFile *self);
+IdeLanguage     *ide_file_get_language         (IdeFile              *self);
+GFile           *ide_file_get_file             (IdeFile              *self);
+const gchar     *ide_file_get_project_path     (IdeFile              *self);
+guint            ide_file_hash                 (IdeFile              *self);
+gboolean         ide_file_equal                (IdeFile              *self,
+                                                IdeFile              *other);
+const gchar     *ide_file_get_path             (IdeFile              *self);
+void             ide_file_load_settings_async  (IdeFile              *self,
+                                                GCancellable         *cancellable,
+                                                GAsyncReadyCallback   callback,
+                                                gpointer              user_data);
+IdeFileSettings *ide_file_load_settings_finish (IdeFile              *self,
+                                                GAsyncResult         *result,
+                                                GError              **error);
+
 
 G_END_DECLS
 
diff --git a/libide/ide-types.h b/libide/ide-types.h
index cf16c93..036b35b 100644
--- a/libide/ide-types.h
+++ b/libide/ide-types.h
@@ -68,6 +68,8 @@ typedef struct _IdeExecutableInterface         IdeExecutableInterface;
 
 typedef struct _IdeFile                        IdeFile;
 
+typedef struct _IdeFileSettings                IdeFileSettings;
+
 typedef struct _IdeHighlighter                 IdeHighlighter;
 
 typedef struct _IdeIndenter                    IdeIndenter;
diff --git a/libide/ide.c b/libide/ide.c
index 62f58ed..adb898b 100644
--- a/libide/ide.c
+++ b/libide/ide.c
@@ -27,6 +27,7 @@
 #include "ide-clang-service.h"
 #include "ide-directory-build-system.h"
 #include "ide-directory-vcs.h"
+#include "ide-file-settings.h"
 #include "ide-git-vcs.h"
 
 static gboolean     gProgramNameRead;
@@ -60,6 +61,7 @@ ide_init_ctor (void)
   g_type_ensure (IDE_TYPE_VCS);
 
   g_io_extension_point_register (IDE_BUILD_SYSTEM_EXTENSION_POINT);
+  g_io_extension_point_register (IDE_FILE_SETTINGS_EXTENSION_POINT);
   g_io_extension_point_register (IDE_LANGUAGE_EXTENSION_POINT);
   g_io_extension_point_register (IDE_SERVICE_EXTENSION_POINT);
   g_io_extension_point_register (IDE_VCS_EXTENSION_POINT);