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/*
* 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 2.1 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 library; 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; }
/// Name of other plugins this plugin conflicts with
public GenericSet<string> conflicts { get; construct; }
private PluginInformation (string module_path,
string name,
GenericSet<string> conflicts) {
Object (module_path: module_path, name : name, conflicts : conflicts);
}
/**
* 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 ()) {
throw new FileError.EXIST (_("Plugin module %s does not exist"),
module_file.get_path ());
}
var conflicts = new GenericSet<string>(str_hash, str_equal);
try {
foreach (var other_name in keyfile.get_string_list ("Plugin", "Conflicts")) {
other_name.strip();
conflicts.add (other_name);
}
} catch (KeyFileError err) {
// Do nothing
}
return new PluginInformation (module_file.get_path (), name, conflicts);
}
}
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