[gnome-builder] vala-pack: use ide_g_file_walk_with_ignore()

[Christian Hergert <chergert src gnome org>]

commit 7ddbe00ea4060bf82f5835db40167ec1932e0c4f
Author: Christian Hergert <chergert redhat com>
Date:   Thu Apr 25 22:29:54 2019 -0700

    vala-pack: use ide_g_file_walk_with_ignore()

 .../vala-pack/lang-server/ide-vala-index.vala      | 42 ++++++++++------------
 1 file changed, 19 insertions(+), 23 deletions(-)
---
diff --git a/src/plugins/vala-pack/lang-server/ide-vala-index.vala 
b/src/plugins/vala-pack/lang-server/ide-vala-index.vala
index e5db68477..9b148119f 100644
--- a/src/plugins/vala-pack/lang-server/ide-vala-index.vala
+++ b/src/plugins/vala-pack/lang-server/ide-vala-index.vala
@@ -313,32 +313,28 @@ namespace Ide
                        return symbol;
                }
 
-               private void load_directory (GLib.File directory,
-                                            GLib.Cancellable? cancellable = null)
+               private void load_directory_walk_cb (GLib.File directory,
+                                                    GLib.GenericArray<GLib.FileInfo> file_infos)
                {
-                       try {
-                               var enumerator = directory.enumerate_children 
(FileAttribute.STANDARD_NAME+","+FileAttribute.STANDARD_TYPE, 0, cancellable);
-
-                               FileInfo file_info;
-                               while ((file_info = enumerator.next_file ()) != null) {
-                                       var name = file_info.get_name ();
-
-                                       if (name == ".flatpak-builder" || name == ".git")
-                                               continue;
-
-                                       if (file_info.get_file_type () == GLib.FileType.DIRECTORY) {
-                                               var child = directory.get_child (file_info.get_name ());
-                                               load_directory (child, cancellable);
-                                       } else if (name.has_suffix (".vala") || name.has_suffix (".vapi") || 
name.has_suffix (".gs") || name.has_suffix (".c")) {
-                                               var child = directory.get_child (file_info.get_name ());
-                                               code_context.add_source (child.get_path ());
-                                       }
-                               }
+                       for (var i = 0; i < file_infos.length; i++)
+                       {
+                               var name = file_infos[i].get_name ();
 
-                               enumerator.close ();
-                       } catch (GLib.Error err) {
-                               warning (err.message);
+                               if (name != null && name.has_suffix (".vala")) {
+                                       var child = directory.get_child (name);
+                                       code_context.add_source (child.peek_path ());
+                               }
                        }
                }
+
+               private void load_directory (GLib.File directory,
+                                            GLib.Cancellable? cancellable = null)
+               {
+                       Ide.g_file_walk_with_ignore (directory,
+                                                    FileAttribute.STANDARD_NAME,
+                                                    ".noindex",
+                                                    cancellable,
+                                                    load_directory_walk_cb);
+               }
        }
 }