1 files changed, 61 insertions, 0 deletions
diff --git a/xmpp-vala/src/core/module_flag.vala b/xmpp-vala/src/core/module_flag.vala
new file mode 100644
index 00000000..95547852
--- /dev/null
+++ b/xmpp-vala/src/core/module_flag.vala
@@ -0,0 +1,61 @@
+namespace Xmpp {
+
+    public class FlagIdentity<T> : Object {
+        public string ns { get; private set; }
+        public string id { get; private set; }
+
+        public FlagIdentity(string ns, string id) {
+            this.ns = ns;
+            this.id = id;
+        }
+
+        public T? cast(XmppStreamFlag flag) {
+            return flag.get_type().is_a(typeof(T)) ? (T?) flag : null;
+        }
+
+        public bool matches(XmppStreamFlag module) {
+            return module.get_ns() == ns && module.get_id() == id;
+        }
+    }
+
+    public abstract class XmppStreamFlag : Object {
+        public abstract string get_ns();
+
+        public abstract string get_id();
+    }
+
+    public class ModuleIdentity<T> : Object {
+        public string ns { get; private set; }
+        public string id { get; private set; }
+
+        public ModuleIdentity(string ns, string id) {
+            this.ns = ns;
+            this.id = id;
+        }
+
+        public T? cast(XmppStreamModule module) {
+            return module.get_type().is_a(typeof(T)) ? (T?) module : null;
+        }
+
+        public bool matches(XmppStreamModule module) {
+            return module.get_ns() == ns && module.get_id() == id;
+        }
+    }
+
+    public abstract class XmppStreamModule : Object {
+        public abstract void attach(XmppStream stream);
+
+        public abstract void detach(XmppStream stream);
+
+        public abstract string get_ns();
+
+        public abstract string get_id();
+    }
+
+    public abstract class XmppStreamNegotiationModule : XmppStreamModule {
+        public abstract bool mandatory_outstanding(XmppStream stream);
+
+        public abstract bool negotiation_active(XmppStream stream);
+    }
+
+}
+\ No newline at end of file