1 files changed, 99 insertions, 0 deletions
diff --git a/include/dynref.h b/include/dynref.h
new file mode 100644
index 000000000..02474b67e
--- /dev/null
+++ b/include/dynref.h
@@ -0,0 +1,99 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2013 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program 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 General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#pragma once
+
+#include "base.h"
+
+class CoreExport dynamic_reference_base : public interfacebase, public intrusive_list_node<dynamic_reference_base>
+{
+ private:
+	std::string name;
+	void resolve();
+ protected:
+	ServiceProvider* value;
+ public:
+	ModuleRef creator;
+	dynamic_reference_base(Module* Creator, const std::string& Name);
+	~dynamic_reference_base();
+	inline const std::string& GetProvider() { return name; }
+	void SetProvider(const std::string& newname);
+	void check();
+	operator bool() { return (value != NULL); }
+	static void reset_all();
+};
+
+inline void dynamic_reference_base::check()
+{
+	if (!value)
+		throw ModuleException("Dynamic reference to '" + name + "' failed to resolve");
+}
+
+template<typename T>
+class dynamic_reference : public dynamic_reference_base
+{
+ public:
+	dynamic_reference(Module* Creator, const std::string& Name)
+		: dynamic_reference_base(Creator, Name) {}
+
+	inline T* operator->()
+	{
+		check();
+		return static_cast<T*>(value);
+	}
+
+	T* operator*()
+	{
+		return operator->();
+	}
+};
+
+template<typename T>
+class dynamic_reference_nocheck : public dynamic_reference_base
+{
+ public:
+	dynamic_reference_nocheck(Module* Creator, const std::string& Name)
+		: dynamic_reference_base(Creator, Name) {}
+
+	T* operator->()
+	{
+		return static_cast<T*>(value);
+	}
+
+	T* operator*()
+	{
+		return operator->();
+	}
+};
+
+class ModeHandler;
+class ChanModeReference : public dynamic_reference_nocheck<ModeHandler>
+{
+ public:
+	ChanModeReference(Module* mod, const std::string& modename)
+		: dynamic_reference_nocheck<ModeHandler>(mod, "mode/" + modename) {}
+};
+
+class UserModeReference : public dynamic_reference_nocheck<ModeHandler>
+{
+ public:
+	UserModeReference(Module* mod, const std::string& modename)
+		: dynamic_reference_nocheck<ModeHandler>(mod, "umode/" + modename) {}
+};