59 lines
1.6 KiB
Vala
59 lines
1.6 KiB
Vala
namespace Dino.Plugins {
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private class Info : Object {
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public Module module;
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public Type gtype;
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public Info(Type type, owned Module module) {
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this.module = (owned) module;
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this.gtype = type;
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}
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}
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public class Loader : Object {
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[CCode (has_target = false)]
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private delegate Type RegisterPluginFunction (Module module);
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private RootInterface[] plugins = new RootInterface[0];
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private Info[] infos = new Info[0];
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public RootInterface load(string name, Dino.Application app) throws Error {
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if (Module.supported () == false) {
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throw new Error (-1, 0, "Plugins are not supported");
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}
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Module module = Module.open ("plugins/" + name, ModuleFlags.BIND_LAZY);
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if (module == null) {
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throw new Error (-1, 1, Module.error ());
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}
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void* function;
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module.symbol ("register_plugin", out function);
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if (function == null) {
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throw new Error (-1, 2, "register_plugin () not found");
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}
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RegisterPluginFunction register_plugin = (RegisterPluginFunction) function;
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Type type = register_plugin (module);
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if (type.is_a (typeof (RootInterface)) == false) {
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throw new Error (-1, 3, "Unexpected type");
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}
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Info info = new Plugins.Info (type, (owned) module);
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infos += info;
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RootInterface plugin = (RootInterface) Object.new (type);
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plugins += plugin;
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plugin.registered (app);
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return plugin;
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}
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public void shutdown() {
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foreach (RootInterface p in plugins) {
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p.shutdown();
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}
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}
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}
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} |