[tracker/miner-fs-refactor: 28/93] libtracker-miner: Add TrackerFileSystem



commit 07f97dd78dbc3fe49bbd541e76b7dd83c83b4729
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__



[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]