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/* Copyright 2012, Sebastian Reichel <sre@ring0.de>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
public class PluginLoader<T> : Object {
public string path { get; private set; }
private Type type;
private Module module;
private delegate Type RegisterPluginFunction(Module module);
public PluginLoader(string path) {
assert(Module.supported());
this.path = path;
}
public bool load() {
module = Module.open(path, ModuleFlags.BIND_LAZY);
if(module == null) {
return false;
}
module.make_resident();
void* function;
module.symbol("register_plugin", out function);
type = ((RegisterPluginFunction) function)(module);
log("PluginLoader", LogLevelFlags.LEVEL_INFO, "loadedplugin: %s".printf(type.name()));
return true;
}
public T new_object() {
return Object.new (type);
}
}
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