/* GIO - GLib Input, Output and Streaming Library
- *
+ *
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* 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.
+ * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
-#include <config.h>
+#include "config.h"
#include <string.h>
#include "gvfs.h"
+#include "glib-private.h"
#include "glocalvfs.h"
-#include "giomodule.h"
+#include "gresourcefile.h"
+#include "giomodule-priv.h"
#include "glibintl.h"
-#include "gioalias.h"
/**
* SECTION:gvfs
- * @short_description: Virtual File System
- * @include: gio/gvfs.h
- *
+ * @short_description: Virtual File System
+ * @include: gio/gio.h
+ *
* Entry point for using GIO functionality.
*
- **/
+ */
G_DEFINE_TYPE (GVfs, g_vfs, G_TYPE_OBJECT);
/**
* g_vfs_is_active:
* @vfs: a #GVfs.
- *
+ *
* Checks if the VFS is active.
- *
- * Returns: %TRUE if construction of the @vfs was successful and it is now active.
- **/
+ *
+ * Returns: %TRUE if construction of the @vfs was successful
+ * and it is now active.
+ */
gboolean
g_vfs_is_active (GVfs *vfs)
{
* g_vfs_get_file_for_path:
* @vfs: a #GVfs.
* @path: a string containing a VFS path.
- *
+ *
* Gets a #GFile for @path.
- *
- * Returns: a #GFile.
- **/
+ *
+ * Returns: (transfer full): a #GFile.
+ * Free the returned object with g_object_unref().
+ */
GFile *
g_vfs_get_file_for_path (GVfs *vfs,
- const char *path)
+ const char *path)
{
GVfsClass *class;
-
+
g_return_val_if_fail (G_IS_VFS (vfs), NULL);
g_return_val_if_fail (path != NULL, NULL);
/**
* g_vfs_get_file_for_uri:
* @vfs: a#GVfs.
- * @uri: a string containing a URI path.
- *
+ * @uri: a string containing a URI
+ *
* Gets a #GFile for @uri.
- *
+ *
* This operation never fails, but the returned object
- * might not support any I/O operation if the uri
- * is malformed or if the uri type is not supported.
- *
- * Returns: a #GFile.
- *
- **/
+ * might not support any I/O operation if the URI
+ * is malformed or if the URI scheme is not supported.
+ *
+ * Returns: (transfer full): a #GFile.
+ * Free the returned object with g_object_unref().
+ */
GFile *
g_vfs_get_file_for_uri (GVfs *vfs,
- const char *uri)
+ const char *uri)
{
GVfsClass *class;
-
+
g_return_val_if_fail (G_IS_VFS (vfs), NULL);
g_return_val_if_fail (uri != NULL, NULL);
class = G_VFS_GET_CLASS (vfs);
+ /* This is an unfortunate placement, but we really
+ * need to check this before chaining to the vfs,
+ * because we want to support resource uris for
+ * all vfs:es, even those that predate resources.
+ */
+ if (g_str_has_prefix (uri, "resource:"))
+ return _g_resource_file_new (uri);
+
return (* class->get_file_for_uri) (vfs, uri);
}
/**
* g_vfs_get_supported_uri_schemes:
* @vfs: a #GVfs.
- *
+ *
* Gets a list of URI schemes supported by @vfs.
- *
- * Returns: a list of strings.
- **/
+ *
+ * Returns: (transfer none): a %NULL-terminated array of strings.
+ * The returned array belongs to GIO and must
+ * not be freed or modified.
+ */
const gchar * const *
g_vfs_get_supported_uri_schemes (GVfs *vfs)
{
GVfsClass *class;
-
+
g_return_val_if_fail (G_IS_VFS (vfs), NULL);
class = G_VFS_GET_CLASS (vfs);
* g_vfs_parse_name:
* @vfs: a #GVfs.
* @parse_name: a string to be parsed by the VFS module.
- *
- * This operation never fails, but the returned object might
- * not support any I/O operations if the @parse_name cannot
+ *
+ * This operation never fails, but the returned object might
+ * not support any I/O operations if the @parse_name cannot
* be parsed by the #GVfs module.
- *
- * Returns: a #GFile for the given @parse_name.
- **/
+ *
+ * Returns: (transfer full): a #GFile for the given @parse_name.
+ * Free the returned object with g_object_unref().
+ */
GFile *
g_vfs_parse_name (GVfs *vfs,
- const char *parse_name)
+ const char *parse_name)
{
GVfsClass *class;
-
+
g_return_val_if_fail (G_IS_VFS (vfs), NULL);
g_return_val_if_fail (parse_name != NULL, NULL);
class = G_VFS_GET_CLASS (vfs);
- return (* class->parse_name) (vfs, parse_name);
-}
-
-/* Note: This compares in reverse order.
- Higher prio -> sort first
- */
-static gint
-compare_vfs_type (gconstpointer a,
- gconstpointer b,
- gpointer user_data)
-{
- GVfsClass *class_a, *class_b;
- gint res;
- const char *use_this_vfs;
-
- class_a = g_type_class_ref (*(GType *)a);
- class_b = g_type_class_ref (*(GType *)b);
- use_this_vfs = user_data;
-
- if (class_a == class_b)
- res = 0;
- else if (use_this_vfs != NULL &&
- strcmp (class_a->name, use_this_vfs) == 0)
- res = -1;
- else if (use_this_vfs != NULL &&
- strcmp (class_b->name, use_this_vfs) == 0)
- res = 1;
- else
- res = class_b->priority - class_a->priority;
-
- g_type_class_unref (class_a);
- g_type_class_unref (class_b);
-
- return res;
-}
-
-
-static gpointer
-get_default_vfs (gpointer arg)
-{
- volatile GType local_type;
- GType *vfs_impls;
- int i;
- guint n_vfs_impls;
- const char *use_this;
- GVfs *vfs;
- GType (*casted_get_type)(void);
-
- use_this = g_getenv ("GIO_USE_VFS");
-
- /* Ensure GLocalVfs type is available
- the cast is required to avoid any G_GNUC_CONST optimizations */
- casted_get_type = _g_local_vfs_get_type;
- local_type = casted_get_type ();
-
- /* Ensure vfs in modules loaded */
- _g_io_modules_ensure_loaded ();
-
- vfs_impls = g_type_children (G_TYPE_VFS, &n_vfs_impls);
+ if (g_str_has_prefix (parse_name, "resource:"))
+ return _g_resource_file_new (parse_name);
- g_qsort_with_data (vfs_impls, n_vfs_impls, sizeof (GType),
- compare_vfs_type, (gpointer)use_this);
-
- for (i = 0; i < n_vfs_impls; i++)
- {
- vfs = g_object_new (vfs_impls[i], NULL);
-
- if (g_vfs_is_active (vfs))
- break;
-
- g_object_unref (vfs);
- vfs = NULL;
- }
-
- g_free (vfs_impls);
-
- return vfs;
+ return (* class->parse_name) (vfs, parse_name);
}
/**
* g_vfs_get_default:
- *
+ *
* Gets the default #GVfs for the system.
- *
- * Returns: a #GVfs.
- **/
+ *
+ * Returns: (transfer none): a #GVfs.
+ */
GVfs *
g_vfs_get_default (void)
{
- static GOnce once_init = G_ONCE_INIT;
-
- return g_once (&once_init, get_default_vfs, NULL);
+ if (GLIB_PRIVATE_CALL (g_check_setuid) ())
+ return g_vfs_get_local ();
+ return _g_io_module_get_default (G_VFS_EXTENSION_POINT_NAME,
+ "GIO_USE_VFS",
+ (GIOModuleVerifyFunc)g_vfs_is_active);
}
/**
* g_vfs_get_local:
- *
+ *
* Gets the local #GVfs for the system.
- *
- * Returns: a #GVfs.
- **/
+ *
+ * Returns: (transfer none): a #GVfs.
+ */
GVfs *
g_vfs_get_local (void)
{
return G_VFS (vfs);
}
-
-#define __G_VFS_C__
-#include "gioaliasdef.c"
projects / platform / upstream / glib.git / blobdiff