[gnome-builder] libide: add helper to get IdeFile for GFile

[Christian Hergert <chergert src gnome org>]

commit 257c40e48da4f840211e2ad05a0d05f30f87d413
Author: Christian Hergert <christian hergert me>
Date:   Thu Mar 12 21:37:13 2015 -0700

    libide: add helper to get IdeFile for GFile

 libide/ide-project.c |   37 +++++++++++++++++++++++++++++++++++++
 libide/ide-project.h |    2 ++
 2 files changed, 39 insertions(+), 0 deletions(-)
---
diff --git a/libide/ide-project.c b/libide/ide-project.c
index 66d3d22..143963d 100644
--- a/libide/ide-project.c
+++ b/libide/ide-project.c
@@ -162,6 +162,7 @@ ide_project_set_root (IdeProject     *project,
 
 /**
  * ide_project_get_file_for_path:
+ * @path: A relative path from the project root.
  *
  * Retrieves an #IdeFile for the path specified. #IdeFile provides access to
  * language specific features via ide_file_get_language().
@@ -236,6 +237,42 @@ ide_project_get_file_for_path (IdeProject  *self,
   return file;
 }
 
+/**
+ * ide_project_get_project_file:
+ * @self: A #IdeProject.
+ * @gfile: A #GFile.
+ *
+ * Gets a new #IdeFile representing @gfile.
+ *
+ * Returns: (transfer full): An #IdeFile.
+ */
+IdeFile *
+ide_project_get_project_file (IdeProject *self,
+                              GFile      *gfile)
+{
+  g_autofree gchar *relpath = NULL;
+  IdeContext *context;
+  IdeVcs *vcs;
+  GFile *workdir;
+
+  g_return_val_if_fail (IDE_IS_PROJECT (self), NULL);
+  g_return_val_if_fail (G_IS_FILE (gfile), NULL);
+
+  context = ide_object_get_context (IDE_OBJECT (self));
+  vcs = ide_context_get_vcs (context);
+  workdir = ide_vcs_get_working_directory (vcs);
+
+  relpath = g_file_get_relative_path (workdir, gfile);
+  if (relpath)
+    return ide_project_get_file_for_path (self, relpath);
+
+  return g_object_new (IDE_TYPE_FILE,
+                       "context", context,
+                       "path", g_file_get_path (gfile),
+                       "file", gfile,
+                       NULL);
+}
+
 static void
 ide_project_finalize (GObject *object)
 {
diff --git a/libide/ide-project.h b/libide/ide-project.h
index f4f8211..6b38b51 100644
--- a/libide/ide-project.h
+++ b/libide/ide-project.h
@@ -36,6 +36,8 @@ IdeProjectItem *ide_project_get_root          (IdeProject  *project);
 const gchar    *ide_project_get_name          (IdeProject  *project);
 IdeFile        *ide_project_get_file_for_path (IdeProject  *project,
                                                const gchar *path);
+IdeFile        *ide_project_get_project_file  (IdeProject  *self,
+                                               GFile       *gfile);
 void            ide_project_reader_lock       (IdeProject  *project);
 void            ide_project_reader_unlock     (IdeProject  *project);
 void            ide_project_writer_lock       (IdeProject  *project);