[gnome-builder] libide: add ide_project_files_find_child() helper

[Christian Hergert <chergert src gnome org>]

commit e1938cbf75ece2c5bc990c7be103d39052372dd0
Author: Christian Hergert <christian hergert me>
Date:   Wed Feb 11 19:33:11 2015 -0800

    libide: add ide_project_files_find_child() helper
    
    This helps locate an IdeProjectItem matching the given file path.

 libide/ide-project-files.c |   61 ++++++++++++++++++++++++++++++++++++++++++++
 libide/ide-project-files.h |    3 ++
 2 files changed, 64 insertions(+), 0 deletions(-)
---
diff --git a/libide/ide-project-files.c b/libide/ide-project-files.c
index 8ca62f8..6f0edcb 100644
--- a/libide/ide-project-files.c
+++ b/libide/ide-project-files.c
@@ -16,6 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "ide-project-file.h"
 #include "ide-project-files.h"
 
 G_DEFINE_TYPE (IdeProjectFiles, ide_project_files, IDE_TYPE_PROJECT_ITEM)
@@ -29,3 +30,63 @@ static void
 ide_project_files_init (IdeProjectFiles *self)
 {
 }
+
+static IdeProjectItem *
+ide_project_files_find_child (IdeProjectItem *item,
+                              const gchar    *child)
+{
+  GSequence *children;
+  GSequenceIter *iter;
+
+  g_assert (IDE_IS_PROJECT_ITEM (item));
+  g_assert (child);
+
+  children = ide_project_item_get_children (item);
+  if (!children)
+    return NULL;
+
+  for (iter = g_sequence_get_begin_iter (children);
+       !g_sequence_iter_is_end (iter);
+       iter = g_sequence_iter_next (iter))
+    {
+      IdeProjectItem *item = g_sequence_get (iter);
+
+      if (IDE_IS_PROJECT_FILE (item))
+        {
+          IdeProjectFile *file = IDE_PROJECT_FILE (item);
+          const gchar *name = ide_project_file_get_name (file);
+
+          if (g_strcmp0 (name, child) == 0)
+            return item;
+        }
+    }
+
+  return NULL;
+}
+
+IdeFile *
+ide_project_files_get_file_for_path (IdeProjectFiles *self,
+                                     const gchar     *path)
+{
+  IdeProjectItem *item = (IdeProjectItem *)self;
+  gchar **parts;
+  gsize i;
+
+  g_return_val_if_fail (IDE_IS_PROJECT_FILES (self), NULL);
+
+  parts = g_strsplit (path, G_DIR_SEPARATOR_S, 0);
+
+  for (i = 0; item && parts [i]; i++)
+    item = ide_project_files_find_child (item, parts [i]);
+
+  if (item)
+    {
+      IdeFile *file = NULL;
+
+      g_warning ("TODO: Get/find/create idefile for %s\n", ide_project_file_get_name (IDE_PROJECT_FILE 
(item)));
+
+      return file;
+    }
+
+  return NULL;
+}
diff --git a/libide/ide-project-files.h b/libide/ide-project-files.h
index 7d236a5..7f5c59f 100644
--- a/libide/ide-project-files.h
+++ b/libide/ide-project-files.h
@@ -33,6 +33,9 @@ struct _IdeProjectFiles
   IdeProjectItem parent_instance;
 };
 
+IdeFile *ide_project_files_get_file_for_path (IdeProjectFiles *self,
+                                              const gchar     *path);
+
 G_END_DECLS
 
 #endif /* IDE_PROJECT_FILES_H */