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vfs: add g_vfs_register_uri_scheme()

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Add a new API to allow clients to register a custom GFile implementation
handling a particular URI scheme.
This can be useful for tests, but also for cases where a different URI
scheme is desired to be used with another custom GFile backend.

As an additional cleanup, we can use this to register the "resource" URI
scheme too.

Based on a patch by Jasper St. Pierre <jstpierre@mecheye.net>.

https://bugzilla.gnome.org/show_bug.cgi?id=767887
This commit is contained in:
Cosimo Cecchi
2016-06-20 11:42:56 -07:00
committed by Cosimo Cecchi
parent 4442bf2c95
commit 375b4ca65c
4 changed files with 403 additions and 13 deletions
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36
gio/gvfs.h
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@@ -36,6 +36,28 @@ G_BEGIN_DECLS
#define G_IS_VFS(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_VFS))
#define G_IS_VFS_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_VFS))
/**
* GVfsFileLookupFunc:
* @vfs: a #GVfs
* @identifier: the identifier to lookup a #GFile for. This can either
* be an URI or a parse name as returned by g_file_get_parse_name()
* @user_data: user data passed to the function
*
* This function type is used by g_vfs_register_uri_scheme() to make it
* possible for a client to associate an URI scheme to a different #GFile
* implementation.
*
* The client should return a reference to the new file that has been
* created for @uri, or %NULL to continue with the default implementation.
*
* Returns: (transfer full): a #GFile for @identifier.
*
* Since: 2.50
*/
typedef GFile * (* GVfsFileLookupFunc) (GVfs *vfs,
const char *identifier,
gpointer user_data);
/**
* G_VFS_EXTENSION_POINT_NAME:
*
@@ -127,6 +149,20 @@ GVfs * g_vfs_get_default (void);
GLIB_AVAILABLE_IN_ALL
GVfs * g_vfs_get_local (void);
GLIB_AVAILABLE_IN_2_50
gboolean g_vfs_register_uri_scheme (GVfs *vfs,
const char *scheme,
GVfsFileLookupFunc uri_func,
gpointer uri_data,
GDestroyNotify uri_destroy,
GVfsFileLookupFunc parse_name_func,
gpointer parse_name_data,
GDestroyNotify parse_name_destroy);
GLIB_AVAILABLE_IN_2_50
gboolean g_vfs_unregister_uri_scheme (GVfs *vfs,
const char *scheme);
G_END_DECLS
#endif /* __G_VFS_H__ */