diff options
Diffstat (limited to 'src/librygel-core/rygel-plugin-information.vala')
-rw-r--r-- | src/librygel-core/rygel-plugin-information.vala | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/librygel-core/rygel-plugin-information.vala b/src/librygel-core/rygel-plugin-information.vala new file mode 100644 index 00000000..3338bf1b --- /dev/null +++ b/src/librygel-core/rygel-plugin-information.vala @@ -0,0 +1,86 @@ +/* + * Copyright (C) 2013 Jens Georg. + * + * Author: Jens Georg <jensg@openismus.com> + * + * This file is part of Rygel. + * + * Rygel 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 License, or + * (at your option) any later version. + * + * Rygel 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 program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +/** + * Parse plugin sidecar file and provide path to the module. + * + * Sidecar files are keyfiles, loosely compatible with the files used by + * libpeas. + * + * A minimal file for the plugin librygel-sompelugin.so looks like this: + * + * {{{ + * [Plugin] + * Name = SomeNameForThePlugin + * Module = someplugin + * }}} + * + * Name must not contain any whitespaces. + */ +public class Rygel.PluginInformation : Object { + /// Full path to the loadable module file + public string module_path { get; construct; } + + /// Name of this module + public string name { get; construct; } + + private PluginInformation (string module_path, string name) { + Object (module_path: module_path, name : name); + } + + /** + * Factory method to create a #RygelPluginInformation from #GFile. + * + * @param file a #GFile pointing to the sidecar file + * @return A new instance of #RygelPluginInformation + */ + public static PluginInformation new_from_file (File file) throws Error { + var keyfile = new KeyFile (); + keyfile.load_from_file (file.get_path (), KeyFileFlags.NONE); + if (!keyfile.has_group ("Plugin")) { + throw new KeyFileError.GROUP_NOT_FOUND + (_("[Plugin] group not found")); + } + + var name = keyfile.get_string ("Plugin", "Name"); + var module = keyfile.get_string ("Plugin", "Module"); + + var module_dir = file.get_parent (); + var module_file = module_dir.get_child ("librygel-%s.%s".printf ( + module, + Module.SUFFIX)); + + if (!module_file.query_exists ()) { + // try .libs for uninstalled + module_file = module_dir.get_child (".libs%clibrygel-%s.%s".printf ( + Path.DIR_SEPARATOR, + module, + Module.SUFFIX)); + if (!module_file.query_exists ()) { + throw new FileError.EXIST (_("Plugin module %s does not exist"), + module_file.get_path ()); + } + } + + return new PluginInformation (module_file.get_path (), name); + } +} |