[tracker/wip/miner-fs-refactor: 28/31] libtracker-miner: Add TrackerFileSystem
- From: Carlos Garnacho <carlosg src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [tracker/wip/miner-fs-refactor: 28/31] libtracker-miner: Add TrackerFileSystem
- Date: Tue, 27 Sep 2011 16:56:24 +0000 (UTC)
commit 2f03eaeeeb154f3520f6f857e839578a846f94bd
Author: Carlos Garnacho <carlos lanedo com>
Date: Tue Sep 27 15:10:09 2011 +0200
libtracker-miner: Add TrackerFileSystem
This is a file system abstraction object which may provide canonical
(and persistent) TrackerFile objects representing a file, so == and
!= operations can be used for these.
It is also able to store arbitrary information tied to a file.
src/libtracker-miner/Makefile-shared-sources.decl | 5 +-
src/libtracker-miner/Makefile.am | 6 +-
src/libtracker-miner/tracker-file-system.c | 614 +++++++++++++++++++++
src/libtracker-miner/tracker-file-system.h | 91 +++
src/libtracker-miner/tracker-miner.h | 1 +
5 files changed, 715 insertions(+), 2 deletions(-)
---
diff --git a/src/libtracker-miner/Makefile-shared-sources.decl b/src/libtracker-miner/Makefile-shared-sources.decl
index c115e45..08fe72e 100644
--- a/src/libtracker-miner/Makefile-shared-sources.decl
+++ b/src/libtracker-miner/Makefile-shared-sources.decl
@@ -14,5 +14,8 @@ libtracker_miner_monitor_sources = \
libtracker_miner_monitor_headers = \
$(top_srcdir)/src/libtracker-miner/tracker-monitor.h
+libtracker_miner_file_system_sources = \
+ $(top_srcdir)/src/libtracker-miner/tracker-file-system.c
-
+libtracker_miner_file_system_headers = \
+ $(top_srcdir)/src/libtracker-miner/tracker-file-system.h
diff --git a/src/libtracker-miner/Makefile.am b/src/libtracker-miner/Makefile.am
index 8f9a8d2..6b6c140 100644
--- a/src/libtracker-miner/Makefile.am
+++ b/src/libtracker-miner/Makefile.am
@@ -6,6 +6,7 @@ include $(top_srcdir)/Makefile.decl
# $(libtracker_miner_marshal_headers)
# $(libtracker_miner_monitor_sources)
# $(libtracker_miner_monitor_headers)
+# $(libtracker_miner_file_system_sources)
#
# Headers and sources are split for the tests to build
# with make distcheck.
@@ -67,6 +68,8 @@ libtracker_miner_ TRACKER_API_VERSION@_la_SOURCES = \
$(password_provider_sources) \
$(crawler_sources) \
$(miner_sources) \
+ tracker-file-system.h \
+ tracker-file-system.c \
tracker-indexing-tree.c \
tracker-indexing-tree.h \
tracker-network-provider.c \
@@ -79,6 +82,7 @@ libtracker_miner_ TRACKER_API_VERSION@_la_SOURCES = \
libtracker_minerinclude_HEADERS = \
tracker-albumart.h \
tracker-crawler.h \
+ tracker-file-system.h \
tracker-indexing-tree.h \
tracker-miner.h \
tracker-miner-common.h \
@@ -97,7 +101,7 @@ if !ENABLE_GCOV
# Using enable_gcov instead of have_unit_test because when doing a release
# we disable gcov but NOT the unit tests
libtracker_miner_ TRACKER_API_VERSION@_la_LDFLAGS += \
- -export-symbols-regex '^tracker_(miner|thumbnailer|crawler|storage|password_provider|network_provider|indexing_tree)_.*'
+ -export-symbols-regex '^tracker_(miner|thumbnailer|crawler|storage|password_provider|network_provider|indexing_tree|file_system)_.*'
endif
libtracker_miner_ TRACKER_API_VERSION@_la_LIBADD = \
diff --git a/src/libtracker-miner/tracker-file-system.c b/src/libtracker-miner/tracker-file-system.c
new file mode 100644
index 0000000..f4dd010
--- /dev/null
+++ b/src/libtracker-miner/tracker-file-system.c
@@ -0,0 +1,614 @@
+/*
+ * Copyright (C) 2011, Nokia <ivan frade nokia com>
+ *
+ * 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 2.1 of the License, 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Author: Carlos Garnacho <carlos lanedo com>
+ */
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "tracker-file-system.h"
+
+typedef struct _TrackerFileSystemPrivate TrackerFileSystemPrivate;
+typedef struct _FileNodeProperty FileNodeProperty;
+typedef struct _FileNodeData FileNodeData;
+
+struct _TrackerFileSystemPrivate {
+ GNode *file_tree;
+ GHashTable *properties;
+};
+
+struct _FileNodeProperty {
+ GQuark prop_quark;
+ gpointer value;
+};
+
+struct _FileNodeData {
+ GFile *file;
+ gchar *uri_suffix;
+ GArray *properties;
+ guint ref_count;
+ guint shallow : 1;
+ guint file_type : 4;
+};
+
+G_DEFINE_TYPE (TrackerFileSystem, tracker_file_system, G_TYPE_OBJECT)
+
+/*
+ * TrackerFileSystem is a filesystem abstraction, it mainly serves 2 purposes:
+ * - Canonicalizes GFiles, so it is possible later to perform pointer
+ * comparisons on them.
+ * - Stores data for the GFile lifetime, so it may be used as cache store
+ * as long as some file is needed.
+ */
+
+
+static FileNodeData *
+file_node_data_new (GFile *file,
+ GFileType file_type)
+{
+ FileNodeData *data;
+
+ data = g_slice_new0 (FileNodeData);
+ data->file = g_object_ref (file);
+ data->file_type = file_type;
+ data->properties = g_array_new (FALSE, TRUE, sizeof (FileNodeProperty));
+ data->ref_count = 1;
+
+ return data;
+}
+
+static FileNodeData *
+file_node_data_root_new (void)
+{
+ FileNodeData *data;
+
+ data = g_slice_new0 (FileNodeData);
+ data->uri_suffix = g_strdup ("file:///");
+ data->file = g_file_new_for_uri (data->uri_suffix);
+ data->properties = g_array_new (FALSE, TRUE, sizeof (FileNodeProperty));
+ data->file_type = G_FILE_TYPE_DIRECTORY;
+ data->shallow = TRUE;
+ data->ref_count = 1;
+
+ return data;
+}
+
+static void
+file_node_data_free (FileNodeData *data)
+{
+ g_object_unref (data->file);
+ g_free (data->uri_suffix);
+ g_array_free (data->properties, TRUE);
+
+ g_slice_free (FileNodeData, data);
+}
+
+static gboolean
+file_node_data_equal_or_child (GNode *node,
+ gchar *uri_suffix,
+ gchar **uri_remainder)
+{
+ FileNodeData *data;
+ gsize len;
+
+ data = node->data;
+ len = strlen (data->uri_suffix);
+
+ if (strncmp (uri_suffix, data->uri_suffix, len) == 0) {
+ uri_suffix += len;
+
+ if (uri_suffix[0] == '/') {
+ uri_suffix++;
+ } else if (uri_suffix[0] != '\0' &&
+ strcmp (data->uri_suffix + len - 4, ":///") != 0) {
+ /* If the first char isn't an uri separator
+ * nor \0, node represents a similarly named
+ * file, but not a parent after all.
+ */
+ return FALSE;
+ }
+
+ if (uri_remainder) {
+ *uri_remainder = uri_suffix;
+ }
+
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+static GNode *
+file_tree_lookup (GNode *tree,
+ GFile *file,
+ GNode **parent_node,
+ gchar **uri_remainder)
+{
+ GNode *parent, *node_found, *parent_found;
+ FileNodeData *data;
+ gchar *uri, *ptr;
+
+ g_assert (G_NODE_IS_ROOT (tree));
+
+ uri = ptr = g_file_get_uri (file);
+ node_found = parent_found = NULL;
+
+ /* Run through the filesystem tree, comparing chunks of
+ * uri with the uri suffix in the file nodes, this would
+ * get us to the closest registered parent, or the file
+ * itself.
+ */
+
+ if (parent_node) {
+ *parent_node = NULL;
+ }
+
+ if (uri_remainder) {
+ *uri_remainder = NULL;
+ }
+
+ if (!tree) {
+ return NULL;
+ }
+
+ /* First check the root node */
+ if (!file_node_data_equal_or_child (tree, uri, &ptr)) {
+ g_free (uri);
+ return NULL;
+ }
+
+ parent = tree;
+
+ while (parent) {
+ GNode *child, *next = NULL;
+ gchar *ret_ptr;
+
+ for (child = g_node_first_child (parent);
+ child != NULL;
+ child = g_node_next_sibling (child)) {
+ data = child->data;
+
+ if (data->uri_suffix[0] != ptr[0])
+ continue;
+
+ if (file_node_data_equal_or_child (child, ptr, &ret_ptr)) {
+ ptr = ret_ptr;
+ next = child;
+ break;
+ }
+ }
+
+ if (next) {
+ if (ptr[0] == '\0') {
+ /* Exact match */
+ node_found = next;
+ parent_found = parent;
+ break;
+ } else {
+ /* Descent down the child */
+ parent = next;
+ }
+ } else {
+ parent_found = parent;
+ break;
+ }
+ }
+
+ if (parent_node) {
+ *parent_node = parent_found;
+ }
+
+ if (ptr && *ptr && uri_remainder) {
+ *uri_remainder = g_strdup (ptr);
+ }
+
+ g_free (uri);
+
+ return node_found;
+}
+
+static gboolean
+file_tree_free_node_foreach (GNode *node,
+ gpointer user_data)
+{
+ file_node_data_free (node->data);
+ return TRUE;
+}
+
+/* TrackerFileSystem implementation */
+
+static void
+tracker_file_system_finalize (GObject *object)
+{
+ TrackerFileSystemPrivate *priv;
+
+ priv = TRACKER_FILE_SYSTEM (object)->priv;
+
+ g_node_traverse (priv->file_tree,
+ G_POST_ORDER,
+ G_TRAVERSE_ALL, -1,
+ file_tree_free_node_foreach,
+ NULL);
+ g_node_destroy (priv->file_tree);
+
+ G_OBJECT_CLASS (tracker_file_system_parent_class)->finalize (object);
+}
+
+static void
+tracker_file_system_class_init (TrackerFileSystemClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = tracker_file_system_finalize;
+
+ g_type_class_add_private (object_class,
+ sizeof (TrackerFileSystemPrivate));
+}
+static void
+tracker_file_system_init (TrackerFileSystem *file_system)
+{
+ TrackerFileSystemPrivate *priv;
+ FileNodeData *root_data;
+
+ file_system->priv = priv =
+ G_TYPE_INSTANCE_GET_PRIVATE (file_system,
+ TRACKER_TYPE_FILE_SYSTEM,
+ TrackerFileSystemPrivate);
+
+ root_data = file_node_data_root_new ();
+ priv->file_tree = g_node_new (root_data);
+}
+
+TrackerFileSystem *
+tracker_file_system_new (void)
+{
+ return g_object_new (TRACKER_TYPE_FILE_SYSTEM, NULL);
+}
+
+static void
+reparent_child_nodes (GNode *node,
+ GNode *new_parent)
+{
+ FileNodeData *parent_data;
+ GNode *child;
+
+ parent_data = new_parent->data;
+ child = g_node_first_child (node);
+
+ while (child) {
+ FileNodeData *data;
+ GNode *cur;
+
+ cur = child;
+ data = cur->data;
+ child = g_node_next_sibling (child);
+
+ /* Ensure consistency is preserved */
+ if (!g_file_has_prefix (data->file, parent_data->file)) {
+ continue;
+ }
+
+ data->uri_suffix = g_file_get_relative_path (parent_data->file,
+ data->file);
+
+ g_node_unlink (cur);
+ g_node_append (new_parent, cur);
+ }
+}
+
+TrackerFile *
+tracker_file_system_get_file (TrackerFileSystem *file_system,
+ GFile *file,
+ GFileType file_type,
+ TrackerFile *parent)
+{
+ TrackerFileSystemPrivate *priv;
+ FileNodeData *data;
+ GNode *node, *parent_node;
+ gchar *uri_suffix;
+
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+ g_return_val_if_fail (TRACKER_IS_FILE_SYSTEM (file_system), NULL);
+
+ priv = file_system->priv;
+ node = NULL;
+
+ if (parent) {
+ FileNodeData *parent_data;
+
+ parent_node = (GNode *) parent;
+ parent_data = parent_node->data;
+ uri_suffix = g_file_get_relative_path (parent_data->file, file);
+ } else {
+ node = file_tree_lookup (priv->file_tree, file,
+ &parent_node, &uri_suffix);
+ }
+
+ if (!node) {
+ g_assert (parent_node != NULL);
+
+ /* Parent was found, add file as child */
+ data = file_node_data_new (file, file_type);
+ data->uri_suffix = uri_suffix;
+
+ node = g_node_new (data);
+
+ /* Reparent any previously created child to it,
+ * that would currently be a child of parent_node
+ */
+ reparent_child_nodes (parent_node, node);
+
+ g_node_append (parent_node, node);
+ } else {
+ /* Increment reference count of node if found */
+ data = node->data;
+ g_atomic_int_inc (&data->ref_count);
+
+ g_free (uri_suffix);
+ }
+
+ return (TrackerFile *) node;
+}
+
+TrackerFile *
+tracker_file_system_peek_file (TrackerFileSystem *file_system,
+ GFile *file)
+{
+ TrackerFileSystemPrivate *priv;
+ GNode *node;
+
+ g_return_val_if_fail (G_IS_FILE (file), NULL);
+ g_return_val_if_fail (TRACKER_IS_FILE_SYSTEM (file_system), NULL);
+
+ priv = file_system->priv;
+ node = file_tree_lookup (priv->file_tree, file, NULL, NULL);
+
+ return (TrackerFile *) node;
+}
+
+TrackerFile *
+tracker_file_system_ref_file (TrackerFileSystem *file_system,
+ TrackerFile *file)
+{
+ FileNodeData *data;
+
+ g_return_val_if_fail (TRACKER_IS_FILE_SYSTEM (file_system), NULL);
+ g_return_val_if_fail (file != NULL, NULL);
+
+ data = ((GNode *) file)->data;
+
+ g_atomic_int_inc (&data->ref_count);
+
+ return file;
+}
+
+void
+tracker_file_system_unref_file (TrackerFileSystem *file_system,
+ TrackerFile *file)
+{
+ FileNodeData *data;
+ GNode *node;
+
+ g_return_if_fail (TRACKER_IS_FILE_SYSTEM (file_system));
+ g_return_if_fail (file != NULL);
+
+ node = (GNode *) file;
+ data = node->data;
+
+ if (g_atomic_int_dec_and_test (&data->ref_count)) {
+ reparent_child_nodes (node, node->parent);
+
+ g_assert (g_node_first_child (node) == NULL);
+ g_node_destroy (node);
+ }
+}
+
+
+GFile *
+tracker_file_system_resolve_file (TrackerFileSystem *file_system,
+ TrackerFile *file)
+{
+ FileNodeData *data;
+
+ g_return_val_if_fail (file != NULL, NULL);
+
+ data = ((GNode *) file)->data;
+ return data->file;
+}
+
+void
+tracker_file_system_register_property (TrackerFileSystem *file_system,
+ GQuark prop,
+ GDestroyNotify destroy_notify)
+{
+ TrackerFileSystemPrivate *priv;
+
+ g_return_if_fail (TRACKER_IS_FILE_SYSTEM (file_system));
+ g_return_if_fail (prop != 0);
+
+ priv = file_system->priv;
+
+ if (!priv->properties) {
+ priv->properties = g_hash_table_new (NULL, NULL);
+ }
+
+ if (g_hash_table_lookup (priv->properties, GUINT_TO_POINTER (prop))) {
+ g_warning ("FileSystem: property '%s' has been already registered",
+ g_quark_to_string (prop));
+ return;
+ }
+
+ g_hash_table_insert (priv->properties,
+ GUINT_TO_POINTER (prop),
+ destroy_notify);
+}
+
+static int
+search_property_node (gconstpointer key,
+ gconstpointer item)
+{
+ const FileNodeProperty *key_prop, *prop;
+
+ key_prop = key;
+ prop = item;
+
+ if (key_prop->prop_quark < prop->prop_quark)
+ return -1;
+ else if (key_prop->prop_quark > prop->prop_quark)
+ return 1;
+
+ return 0;
+}
+
+void
+tracker_file_system_set_property (TrackerFileSystem *file_system,
+ TrackerFile *file,
+ GQuark prop,
+ gpointer prop_data)
+{
+ TrackerFileSystemPrivate *priv;
+ FileNodeProperty property, *match;
+ GDestroyNotify destroy_notify;
+ FileNodeData *data;
+
+ g_return_if_fail (TRACKER_IS_FILE_SYSTEM (file_system));
+ g_return_if_fail (file != NULL);
+ g_return_if_fail (prop != 0);
+
+ priv = file_system->priv;
+
+ if (!priv->properties ||
+ !g_hash_table_lookup_extended (priv->properties,
+ GUINT_TO_POINTER (prop),
+ NULL, (gpointer *) &destroy_notify)) {
+ g_warning ("FileSystem: property '%s' is not registered",
+ g_quark_to_string (prop));
+ return;
+ }
+
+ data = ((GNode *) file)->data;
+
+ property.prop_quark = prop;
+
+ match = bsearch (&property, data->properties->data,
+ data->properties->len, sizeof (FileNodeProperty),
+ search_property_node);
+
+ if (match) {
+ if (destroy_notify) {
+ (destroy_notify) (match->value);
+ }
+
+ match->value = prop_data;
+ } else {
+ FileNodeProperty *item;
+ guint i;
+
+ /* No match, insert new element */
+ for (i = 0; i < data->properties->len; i++) {
+ item = &g_array_index (data->properties,
+ FileNodeProperty, i);
+
+ if (item->prop_quark > prop) {
+ break;
+ }
+ }
+
+ property.value = prop_data;
+
+ if (i >= data->properties->len) {
+ g_array_append_val (data->properties, property);
+ } else {
+ g_array_insert_val (data->properties, i, property);
+ }
+ }
+}
+
+gpointer
+tracker_file_system_get_property (TrackerFileSystem *file_system,
+ TrackerFile *file,
+ GQuark prop)
+{
+ FileNodeData *data;
+ FileNodeProperty property, *match;
+
+ g_return_val_if_fail (TRACKER_IS_FILE_SYSTEM (file_system), NULL);
+ g_return_val_if_fail (file != NULL, NULL);
+ g_return_val_if_fail (prop > 0, NULL);
+
+ data = ((GNode *) file)->data;
+
+ property.prop_quark = prop;
+
+ match = bsearch (&property, data->properties->data,
+ data->properties->len, sizeof (FileNodeProperty),
+ search_property_node);
+
+ return (match) ? match->value : NULL;
+}
+
+void
+tracker_file_system_unset_property (TrackerFileSystem *file_system,
+ TrackerFile *file,
+ GQuark prop)
+{
+ TrackerFileSystemPrivate *priv;
+ FileNodeData *data;
+ FileNodeProperty property, *match;
+ GDestroyNotify destroy_notify;
+ guint index;
+
+ g_return_if_fail (TRACKER_IS_FILE_SYSTEM (file_system));
+ g_return_if_fail (file != NULL);
+ g_return_if_fail (prop > 0);
+
+ priv = file_system->priv;
+
+ if (!priv->properties ||
+ !g_hash_table_lookup_extended (priv->properties,
+ GUINT_TO_POINTER (prop),
+ NULL,
+ (gpointer *) &destroy_notify)) {
+ g_warning ("FileSystem: property '%s' is not registered",
+ g_quark_to_string (prop));
+ }
+
+ data = ((GNode *) file)->data;
+
+ property.prop_quark = prop;
+
+ match = bsearch (&property, data->properties->data,
+ data->properties->len, sizeof (FileNodeProperty),
+ search_property_node);
+
+ if (!match) {
+ return;
+ }
+
+ if (destroy_notify) {
+ (destroy_notify) (match->value);
+ }
+
+ /* Find out the index from memory positions */
+ index = (guint) ((FileNodeProperty *) match -
+ (FileNodeProperty *) data->properties->data);
+ g_assert (index >= 0 && index < data->properties->len);
+
+ g_array_remove_index (data->properties, index);
+}
diff --git a/src/libtracker-miner/tracker-file-system.h b/src/libtracker-miner/tracker-file-system.h
new file mode 100644
index 0000000..312bab3
--- /dev/null
+++ b/src/libtracker-miner/tracker-file-system.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2011, Nokia <ivan frade nokia com>
+ *
+ * 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 2.1 of the License, 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Author: Carlos Garnacho <carlos lanedo com>
+ */
+
+#ifndef __TRACKER_FILE_SYSTEM_H__
+#define __TRACKER_FILE_SYSTEM_H__
+
+#if !defined (__LIBTRACKER_MINER_H_INSIDE__) && !defined (TRACKER_COMPILATION)
+#error "Only <libtracker-miner/tracker-miner.h> can be included directly."
+#endif
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+#define TRACKER_TYPE_FILE_SYSTEM (tracker_file_system_get_type())
+#define TRACKER_FILE_SYSTEM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), TRACKER_TYPE_FILE_SYSTEM, TrackerFileSystem))
+#define TRACKER_FILE_SYSTEM_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), TRACKER_TYPE_FILE_SYSTEM, TrackerFileSystemClass))
+#define TRACKER_IS_FILE_SYSTEM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), TRACKER_TYPE_FILE_SYSTEM))
+#define TRACKER_IS_FILE_SYSTEM_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), TRACKER_TYPE_FILE_SYSTEM))
+#define TRACKER_FILE_SYSTEM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), TRACKER_TYPE_FILE_SYSTEM, TrackerFileSystemClass))
+
+typedef struct _TrackerFileSystem TrackerFileSystem;
+typedef struct _TrackerFileSystemClass TrackerFileSystemClass;
+typedef struct _TrackerFile TrackerFile;
+
+struct _TrackerFileSystem {
+ GObject parent_instance;
+ gpointer priv;
+};
+
+struct _TrackerFileSystemClass {
+ GObjectClass parent_class;
+};
+
+GType tracker_file_system_get_type (void) G_GNUC_CONST;
+
+TrackerFileSystem * tracker_file_system_new (void);
+
+/* GFile -> TrackerFile */
+TrackerFile * tracker_file_system_get_file (TrackerFileSystem *file_system,
+ GFile *file,
+ GFileType file_type,
+ TrackerFile *parent);
+TrackerFile * tracker_file_system_ref_file (TrackerFileSystem *file_system,
+ TrackerFile *file);
+void tracker_file_system_unref_file (TrackerFileSystem *file_system,
+ TrackerFile *file);
+TrackerFile * tracker_file_system_peek_file (TrackerFileSystem *file_system,
+ GFile *file);
+
+/* TrackerFile -> GFile */
+GFile * tracker_file_system_resolve_file (TrackerFileSystem *file_system,
+ TrackerFile *file);
+
+/* properties */
+void tracker_file_system_register_property (TrackerFileSystem *file_system,
+ GQuark prop,
+ GDestroyNotify destroy_notify);
+
+void tracker_file_system_set_property (TrackerFileSystem *file_system,
+ TrackerFile *file,
+ GQuark prop,
+ gpointer prop_data);
+gpointer tracker_file_system_get_property (TrackerFileSystem *file_system,
+ TrackerFile *file,
+ GQuark prop);
+void tracker_file_system_unset_property (TrackerFileSystem *file_system,
+ TrackerFile *file,
+ GQuark prop);
+
+G_END_DECLS
+
+#endif /* __TRACKER_FILE_SYSTEM_H__ */
diff --git a/src/libtracker-miner/tracker-miner.h b/src/libtracker-miner/tracker-miner.h
index 93a13d7..824d897 100644
--- a/src/libtracker-miner/tracker-miner.h
+++ b/src/libtracker-miner/tracker-miner.h
@@ -34,6 +34,7 @@
#include <libtracker-miner/tracker-miner-manager.h>
#include <libtracker-miner/tracker-miner-enums.h>
#include <libtracker-miner/tracker-indexing-tree.h>
+#include <libtracker-miner/tracker-file-system.h>
#undef __LIBTRACKER_MINER_H_INSIDE__
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