[glib] Merge the keyfile settings backend.



commit a2716ad02085b7d5d19732c187a8b89debf4fc8f
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Apr 16 23:57:26 2010 -0400

    Merge the keyfile settings backend.

 gio/Makefile.am               |    2 +
 gio/gkeyfilesettingsbackend.c |  553 +++++++++++++++++++++++++++++++++++++++++
 gio/gkeyfilesettingsbackend.h |   71 ++++++
 3 files changed, 626 insertions(+), 0 deletions(-)
---
diff --git a/gio/Makefile.am b/gio/Makefile.am
index efefd3b..1f3ff10 100644
--- a/gio/Makefile.am
+++ b/gio/Makefile.am
@@ -89,6 +89,8 @@ settings_sources = \
 	gvdb/gvdb-reader.c		\
 	gdelayedsettingsbackend.h	\
 	gdelayedsettingsbackend.c	\
+	gkeyfilesettingsbackend.h	\
+	gkeyfilesettingsbackend.c	\
 	gnullsettingsbackend.h		\
 	gnullsettingsbackend.c		\
 	gsettingsbackendinternal.h	\
diff --git a/gio/gkeyfilesettingsbackend.c b/gio/gkeyfilesettingsbackend.c
new file mode 100644
index 0000000..dddb566
--- /dev/null
+++ b/gio/gkeyfilesettingsbackend.c
@@ -0,0 +1,553 @@
+/*
+ * Copyright © 2010 Codethink Limited
+ * Copyright © 2010 Novell, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the licence, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors: Vincent Untz <vuntz gnome org>
+ *          Ryan Lortie <desrt desrt ca>
+ */
+
+#include "config.h"
+
+#include "gkeyfilesettingsbackend.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include "gioerror.h"
+#include "giomodule.h"
+#include "gfile.h"
+#include "gfileinfo.h"
+#include "gfilemonitor.h"
+
+#include "gioalias.h"
+
+G_DEFINE_TYPE_WITH_CODE (GKeyfileSettingsBackend,
+                         g_keyfile_settings_backend,
+                         G_TYPE_SETTINGS_BACKEND,
+                         g_io_extension_point_implement (G_SETTINGS_BACKEND_EXTENSION_POINT_NAME,
+                                                         g_define_type_id, "keyfile", 0))
+
+struct _GKeyfileSettingsBackendPrivate
+{
+  GHashTable   *table;
+  GKeyFile     *keyfile;
+  gboolean      writable;
+  gchar        *file_path;
+  gchar        *checksum;
+  GFileMonitor *monitor;
+};
+
+static GVariant *
+g_keyfile_settings_backend_read (GSettingsBackend   *backend,
+                                 const gchar        *key,
+                                 const GVariantType *expected_type)
+{
+  GKeyfileSettingsBackend *kf_backend = G_KEYFILE_SETTINGS_BACKEND (backend);
+  GVariant *value;
+
+  value = g_hash_table_lookup (kf_backend->priv->table, key);
+
+  if (value != NULL)
+    g_variant_ref (value);
+
+  return value;
+}
+
+static gboolean
+g_keyfile_settings_backend_write_one (const gchar             *key,
+                                      GVariant                *value,
+                                      GKeyfileSettingsBackend *kf_backend)
+{
+  const gchar *slash;
+  const gchar *base_key;
+  gchar       *path;
+
+  g_hash_table_replace (kf_backend->priv->table,
+                        g_strdup (key), g_variant_ref (value));
+
+  slash = strrchr (key, '/');
+  g_assert (slash != NULL);
+  base_key = (slash + 1);
+  path = g_strndup (key, slash - key + 1);
+
+  g_key_file_set_string (kf_backend->priv->keyfile,
+                         path, base_key, g_variant_print (value, TRUE));
+
+  g_free (path);
+
+  return FALSE;
+}
+
+static void
+g_keyfile_settings_backend_keyfile_write (GKeyfileSettingsBackend *kf_backend)
+{
+  gchar *dirname;
+  gchar *contents;
+  gsize  length;
+  GFile *file;
+
+  dirname = g_path_get_dirname (kf_backend->priv->file_path);
+  if (!g_file_test (dirname, G_FILE_TEST_IS_DIR))
+    g_mkdir_with_parents (dirname, 0700);
+  g_free (dirname);
+
+  contents = g_key_file_to_data (kf_backend->priv->keyfile, &length, NULL);
+
+  file = g_file_new_for_path (kf_backend->priv->file_path);
+  g_file_replace_contents (file, contents, length,
+                           NULL, FALSE, G_FILE_CREATE_REPLACE_DESTINATION,
+                           NULL, NULL, NULL);
+  g_object_unref (file);
+
+  g_free (kf_backend->priv->checksum);
+  kf_backend->priv->checksum = g_compute_checksum_for_string (G_CHECKSUM_SHA256, contents, length);
+
+  g_free (contents);
+}
+
+static gboolean
+g_keyfile_settings_backend_write (GSettingsBackend *backend,
+                                  const gchar      *key,
+                                  GVariant         *value,
+                                  gpointer          origin_tag)
+{
+  GKeyfileSettingsBackend *kf_backend = G_KEYFILE_SETTINGS_BACKEND (backend);
+
+  g_keyfile_settings_backend_write_one (key, value, kf_backend);
+  g_keyfile_settings_backend_keyfile_write (kf_backend);
+
+  g_settings_backend_changed (backend, key, origin_tag);
+
+  return TRUE;
+}
+
+static gboolean
+g_keyfile_settings_backend_write_keys (GSettingsBackend *backend,
+                                       GTree            *tree,
+                                       gpointer          origin_tag)
+{
+  GKeyfileSettingsBackend *kf_backend = G_KEYFILE_SETTINGS_BACKEND (backend);
+
+  g_tree_foreach (tree, (GTraverseFunc) g_keyfile_settings_backend_write_one, backend);
+  g_keyfile_settings_backend_keyfile_write (kf_backend);
+
+  g_settings_backend_changed_tree (backend, tree, origin_tag);
+
+  return TRUE;
+}
+
+static void
+g_keyfile_settings_backend_reset_path (GSettingsBackend *backend,
+                                       const gchar      *path,
+                                       gpointer         origin_tag)
+{
+  GKeyfileSettingsBackend *kf_backend = G_KEYFILE_SETTINGS_BACKEND (backend);
+  GPtrArray  *reset_array;
+  GList      *hash_keys;
+  GList      *l;
+  gboolean    changed;
+  gchar     **groups = NULL;
+  gsize       groups_nb = 0;
+  int         i;
+
+  reset_array = g_ptr_array_new_with_free_func (g_free);
+
+  hash_keys = g_hash_table_get_keys (kf_backend->priv->table);
+  for (l = hash_keys; l != NULL; l = l->next)
+    {
+      if (g_str_has_prefix (l->data, path))
+        {
+          g_hash_table_remove (kf_backend->priv->table, l->data);
+          g_ptr_array_add (reset_array, g_strdup (l->data));
+        }
+    }
+  g_list_free (hash_keys);
+
+  changed = FALSE;
+  groups = g_key_file_get_groups (kf_backend->priv->keyfile, &groups_nb);
+  for (i = 0; i < groups_nb; i++)
+    {
+      if (g_str_has_prefix (groups[i], path))
+        changed = g_key_file_remove_group (kf_backend->priv->keyfile, groups[i], NULL) || changed;
+    }
+  g_strfreev (groups);
+
+  if (changed)
+    g_keyfile_settings_backend_keyfile_write (kf_backend);
+
+  if (reset_array->len > 0)
+    {
+      /* the array has to be NULL-terminated */
+      g_ptr_array_add (reset_array, NULL);
+      g_settings_backend_keys_changed (G_SETTINGS_BACKEND (kf_backend),
+                                       "",
+                                       (const gchar **) reset_array->pdata,
+                                       origin_tag);
+    }
+
+  g_ptr_array_free (reset_array, TRUE);
+}
+
+static void
+g_keyfile_settings_backend_reset (GSettingsBackend *backend,
+                                  const gchar      *key,
+                                  gpointer          origin_tag)
+{
+  GKeyfileSettingsBackend *kf_backend = G_KEYFILE_SETTINGS_BACKEND (backend);
+  gboolean     had_key;
+  const gchar *slash;
+  const gchar *base_key;
+  gchar       *path;
+
+  had_key = g_hash_table_lookup_extended (kf_backend->priv->table, key, NULL, NULL);
+  if (had_key)
+    g_hash_table_remove (kf_backend->priv->table, key);
+
+  slash = strrchr (key, '/');
+  g_assert (slash != NULL);
+  base_key = (slash + 1);
+  path = g_strndup (key, slash - key + 1);
+
+  if (g_key_file_remove_key (kf_backend->priv->keyfile, path, base_key, NULL))
+    g_keyfile_settings_backend_keyfile_write (kf_backend);
+
+  g_free (path);
+
+  if (had_key)
+    g_settings_backend_changed (G_SETTINGS_BACKEND (kf_backend), key, origin_tag);
+}
+
+static gboolean
+g_keyfile_settings_backend_get_writable (GSettingsBackend *backend,
+                                         const gchar      *name)
+{
+  GKeyfileSettingsBackend *kf_backend = G_KEYFILE_SETTINGS_BACKEND (backend);
+
+  return kf_backend->priv->writable;
+}
+
+static gboolean
+g_keyfile_settings_backend_supports_context (const gchar *context)
+{
+  return TRUE;
+}
+
+static void
+g_keyfile_settings_backend_keyfile_reload (GKeyfileSettingsBackend *kf_backend)
+{
+  gchar       *contents = NULL;
+  gsize        length = 0;
+  gchar       *new_checksum;
+  GHashTable  *loaded_keys;
+  GPtrArray   *changed_array;
+  gchar      **groups = NULL;
+  gsize        groups_nb = 0;
+  int          i;
+  GList       *keys_l = NULL;
+  GList       *l;
+
+  if (!g_file_get_contents (kf_backend->priv->file_path,
+                            &contents, &length, NULL))
+    {
+      contents = g_strdup ("");
+      length = 0;
+    }
+
+  new_checksum = g_compute_checksum_for_string (G_CHECKSUM_SHA256, contents, length);
+
+  if (g_strcmp0 (kf_backend->priv->checksum, new_checksum) == 0)
+    {
+      g_free (new_checksum);
+      return;
+    }
+
+  if (kf_backend->priv->checksum != NULL)
+    g_free (kf_backend->priv->checksum);
+  kf_backend->priv->checksum = new_checksum;
+
+  if (kf_backend->priv->keyfile != NULL)
+    g_key_file_free (kf_backend->priv->keyfile);
+
+  kf_backend->priv->keyfile = g_key_file_new ();
+
+  /* we just silently ignore errors: there's not much we can do about them */
+  if (length > 0)
+    g_key_file_load_from_data (kf_backend->priv->keyfile, contents, length,
+                               G_KEY_FILE_KEEP_COMMENTS|G_KEY_FILE_KEEP_TRANSLATIONS, NULL);
+
+  loaded_keys = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+  changed_array = g_ptr_array_new_with_free_func (g_free);
+
+  /* Load keys from the keyfile */
+  groups = g_key_file_get_groups (kf_backend->priv->keyfile, &groups_nb);
+  for (i = 0; i < groups_nb; i++)
+    {
+      gchar **keys = NULL;
+      gsize   keys_nb = 0;
+      int     j;
+
+      keys = g_key_file_get_keys (kf_backend->priv->keyfile, groups[i], &keys_nb, NULL);
+      if (keys == NULL)
+        continue;
+
+      for (j = 0; j < keys_nb; j++)
+        {
+          gchar    *value;
+          gchar    *full_key;
+          GVariant *old_variant;
+          GVariant *variant;
+
+          value = g_key_file_get_string (kf_backend->priv->keyfile, groups[i], keys[j], NULL);
+          if (value == NULL)
+            continue;
+
+          variant = g_variant_new_parsed (value);
+          g_free (value);
+
+          if (variant == NULL)
+            continue;
+
+          full_key = g_strjoin ("", groups[i], keys[j], NULL),
+          g_hash_table_insert (loaded_keys, full_key, GINT_TO_POINTER(TRUE));
+
+          old_variant = g_hash_table_lookup (kf_backend->priv->table, full_key);
+
+          if (old_variant == NULL || !g_variant_equal (old_variant, variant))
+            {
+              g_ptr_array_add (changed_array, g_strdup (full_key));
+              g_hash_table_replace (kf_backend->priv->table,
+                                    g_strdup (full_key),
+                                    g_variant_ref_sink (variant));
+            }
+          else
+            g_variant_unref (variant);
+        }
+
+      g_strfreev (keys);
+    }
+  g_strfreev (groups);
+
+  /* Remove keys that were in the hashtable but not in the keyfile */
+  keys_l = g_hash_table_get_keys (kf_backend->priv->table);
+  for (l = keys_l; l != NULL; l = l->next)
+    {
+      gchar *key = l->data;
+
+      if (g_hash_table_lookup_extended (loaded_keys, key, NULL, NULL))
+        continue;
+
+      g_ptr_array_add (changed_array, g_strdup (key));
+      g_hash_table_remove (kf_backend->priv->table, key);
+    }
+  g_list_free (keys_l);
+
+  if (changed_array->len > 0)
+    {
+      /* the array has to be NULL-terminated */
+      g_ptr_array_add (changed_array, NULL);
+      g_settings_backend_keys_changed (G_SETTINGS_BACKEND (kf_backend),
+                                       "",
+                                       (const gchar **) changed_array->pdata,
+                                       NULL);
+    }
+
+  g_hash_table_unref (loaded_keys);
+  g_ptr_array_free (changed_array, TRUE);
+}
+
+static gboolean
+g_keyfile_settings_backend_keyfile_writable (GFile *file)
+{
+  GFileInfo *fileinfo;
+  GError    *error;
+  gboolean   writable = FALSE;
+
+  error = NULL;
+  fileinfo = g_file_query_info (file, "access::*",
+                                G_FILE_QUERY_INFO_NONE, NULL, &error);
+
+  if (fileinfo == NULL)
+    {
+      if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
+        {
+          GFile *parent;
+
+          parent = g_file_get_parent (file);
+          if (parent)
+            {
+              writable = g_keyfile_settings_backend_keyfile_writable (parent);
+              g_object_unref (parent);
+            }
+        }
+
+      g_error_free (error);
+
+      return writable;
+    }
+
+  /* We don't want to mark the backend as writable if the file is not readable,
+   * since it means we won't be able to load the content of the file, and we'll
+   * lose data. */
+  writable =
+        g_file_info_get_attribute_boolean (fileinfo, G_FILE_ATTRIBUTE_ACCESS_CAN_READ) &&
+        g_file_info_get_attribute_boolean (fileinfo, G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE);
+  g_object_unref (fileinfo);
+
+  return writable;
+}
+
+static void
+g_keyfile_settings_backend_keyfile_changed (GFileMonitor      *monitor,
+                                            GFile             *file,
+                                            GFile             *other_file,
+                                            GFileMonitorEvent  event_type,
+                                            gpointer           user_data)
+{
+  GKeyfileSettingsBackend *kf_backend;
+
+  if (event_type != G_FILE_MONITOR_EVENT_CHANGED &&
+      event_type != G_FILE_MONITOR_EVENT_CREATED &&
+      event_type != G_FILE_MONITOR_EVENT_DELETED &&
+      event_type != G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED)
+    return;
+
+  kf_backend = G_KEYFILE_SETTINGS_BACKEND (user_data);
+
+  if (event_type == G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED)
+    {
+      gboolean writable;
+
+      writable = g_keyfile_settings_backend_keyfile_writable (file);
+
+      if (kf_backend->priv->writable == writable)
+        return;
+
+      kf_backend->priv->writable = writable;
+      if (!writable)
+        return;
+      /* else: reload the file since it was possibly not readable before */
+    }
+
+  g_keyfile_settings_backend_keyfile_reload (kf_backend);
+}
+
+static void
+g_keyfile_settings_backend_finalize (GObject *object)
+{
+  GKeyfileSettingsBackend *kf_backend = G_KEYFILE_SETTINGS_BACKEND (object);
+
+  g_hash_table_unref (kf_backend->priv->table);
+  kf_backend->priv->table = NULL;
+
+  g_key_file_free (kf_backend->priv->keyfile);
+  kf_backend->priv->keyfile = NULL;
+
+  g_free (kf_backend->priv->file_path);
+  kf_backend->priv->file_path = NULL;
+
+  g_free (kf_backend->priv->checksum);
+  kf_backend->priv->checksum = NULL;
+
+  g_file_monitor_cancel (kf_backend->priv->monitor);
+  g_object_unref (kf_backend->priv->monitor);
+  kf_backend->priv->monitor = NULL;
+
+  G_OBJECT_CLASS (g_keyfile_settings_backend_parent_class)
+    ->finalize (object);
+}
+
+static void
+g_keyfile_settings_backend_constructed (GObject *object)
+{
+  GKeyfileSettingsBackend *kf_backend = G_KEYFILE_SETTINGS_BACKEND (object);
+  const gchar             *envvar_path;
+  gchar                   *path;
+  gchar                   *context;
+  GFile                   *file;
+
+  envvar_path = g_getenv ("GSETTINGS_KEYFILE_BACKEND_STORE");
+  if (envvar_path != NULL && envvar_path[0] != '\0')
+    path = g_strdup (envvar_path);
+  else
+    path = g_build_filename (g_get_user_config_dir (),
+                             "gsettings", "store", NULL);
+
+  context = NULL;
+  g_object_get (kf_backend, "context", &context, NULL);
+  if (context && context[0] != '\0')
+    {
+      kf_backend->priv->file_path = g_strdup_printf ("%s.%s", path, context);
+      g_free (context);
+      g_free (path);
+    }
+  else
+    kf_backend->priv->file_path = path;
+
+  file = g_file_new_for_path (kf_backend->priv->file_path);
+
+  kf_backend->priv->writable = g_keyfile_settings_backend_keyfile_writable (file);
+
+  kf_backend->priv->monitor = g_file_monitor_file (file, G_FILE_MONITOR_SEND_MOVED, NULL, NULL);
+  g_signal_connect (kf_backend->priv->monitor, "changed",
+                    (GCallback)g_keyfile_settings_backend_keyfile_changed, kf_backend);
+
+  g_object_unref (file);
+
+  g_keyfile_settings_backend_keyfile_reload (kf_backend);
+}
+
+static void
+g_keyfile_settings_backend_init (GKeyfileSettingsBackend *kf_backend)
+{
+  kf_backend->priv = G_TYPE_INSTANCE_GET_PRIVATE (kf_backend,
+                                                  G_TYPE_KEYFILE_SETTINGS_BACKEND,
+                                                  GKeyfileSettingsBackendPrivate);
+  kf_backend->priv->table =
+    g_hash_table_new_full (g_str_hash, g_str_equal, g_free,
+                           (GDestroyNotify) g_variant_unref);
+
+  kf_backend->priv->keyfile = NULL;
+  kf_backend->priv->writable = FALSE;
+  kf_backend->priv->file_path = NULL;
+  kf_backend->priv->checksum = NULL;
+  kf_backend->priv->monitor = NULL;
+}
+
+static void
+g_keyfile_settings_backend_class_init (GKeyfileSettingsBackendClass *class)
+{
+  GSettingsBackendClass *backend_class = G_SETTINGS_BACKEND_CLASS (class);
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+  object_class->constructed = g_keyfile_settings_backend_constructed;
+  object_class->finalize = g_keyfile_settings_backend_finalize;
+
+  backend_class->read = g_keyfile_settings_backend_read;
+  backend_class->write = g_keyfile_settings_backend_write;
+  backend_class->write_keys = g_keyfile_settings_backend_write_keys;
+  backend_class->reset = g_keyfile_settings_backend_reset;
+  backend_class->reset_path = g_keyfile_settings_backend_reset_path;
+  backend_class->get_writable = g_keyfile_settings_backend_get_writable;
+  /* No need to implement subscribed/unsubscribe: the only point would be to
+   * stop monitoring the file when there's no GSettings anymore, which is no
+   * big win. */
+  backend_class->supports_context = g_keyfile_settings_backend_supports_context;
+
+  g_type_class_add_private (class, sizeof (GKeyfileSettingsBackendPrivate));
+}
diff --git a/gio/gkeyfilesettingsbackend.h b/gio/gkeyfilesettingsbackend.h
new file mode 100644
index 0000000..3f00eb0
--- /dev/null
+++ b/gio/gkeyfilesettingsbackend.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright © 2010 Codethink Limited
+ * Copyright © 2010 Novell, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the licence, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors: Vincent Untz <vuntz gnome org>
+ *          Ryan Lortie <desrt desrt ca>
+ */
+
+#ifndef __G_KEY_FILE_SETTINGS_BACKEND_H__
+#define __G_KEY_FILE_SETTINGS_BACKEND_H__
+
+#include <gio/gsettingsbackend.h>
+
+
+#define G_TYPE_KEYFILE_SETTINGS_BACKEND                      (g_keyfile_settings_backend_get_type ())
+#define G_KEYFILE_SETTINGS_BACKEND(inst)                     (G_TYPE_CHECK_INSTANCE_CAST ((inst),      \
+                                                              G_TYPE_KEYFILE_SETTINGS_BACKEND,         \
+                                                              GKeyfileSettingsBackend))
+#define G_KEYFILE_SETTINGS_BACKEND_CLASS(class)              (G_TYPE_CHECK_CLASS_CAST ((class),        \
+                                                              G_TYPE_KEYFILE_SETTINGS_BACKEND,         \
+                                                              GKeyfileSettingsBackendClass))
+#define G_IS_KEYFILE_SETTINGS_BACKEND(inst)                  (G_TYPE_CHECK_INSTANCE_TYPE ((inst),      \
+                                                              G_TYPE_KEYFILE_SETTINGS_BACKEND))
+#define G_IS_KEYFILE_SETTINGS_BACKEND_CLASS(class)           (G_TYPE_CHECK_CLASS_TYPE ((class),        \
+                                                              G_TYPE_KEYFILE_SETTINGS_BACKEND))
+#define G_KEYFILE_SETTINGS_BACKEND_GET_CLASS(inst)           (G_TYPE_INSTANCE_GET_CLASS ((inst),       \
+                                                              G_TYPE_KEYFILE_SETTINGS_BACKEND,         \
+                                                              GKeyfileSettingsBackendClass))
+
+/*
+ * GKeyfileSettingsBackend:
+ *
+ * A backend to GSettings that stores the settings in keyfile.
+ */
+typedef struct _GKeyfileSettingsBackendPrivate               GKeyfileSettingsBackendPrivate;
+typedef struct _GKeyfileSettingsBackendClass                 GKeyfileSettingsBackendClass;
+typedef struct _GKeyfileSettingsBackend                      GKeyfileSettingsBackend;
+
+struct _GKeyfileSettingsBackendClass
+{
+  GSettingsBackendClass parent_class;
+};
+
+struct _GKeyfileSettingsBackend
+{
+  GSettingsBackend parent_instance;
+
+  /*< private >*/
+  GKeyfileSettingsBackendPrivate *priv;
+};
+
+G_GNUC_INTERNAL
+GType g_keyfile_settings_backend_get_type (void);
+
+
+#endif  /* __G_KEY_FILE_SETTINGS_BACKEND_H__ */



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