1 files changed, 75 insertions, 0 deletions
diff --git a/include/parammode.h b/include/parammode.h
new file mode 100644
index 000000000..b00082bd6
--- /dev/null
+++ b/include/parammode.h
@@ -0,0 +1,75 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com>
+ *
+ * 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
+
+class CoreExport ParamModeBase : public ModeHandler
+{
+ private:
+ 	virtual void OnUnsetInternal(User* source, Channel* chan) = 0;
+
+ public:
+	ParamModeBase(Module* Creator, const std::string& Name, char modeletter, ParamSpec ps)
+		: ModeHandler(Creator, Name, modeletter, ps, MODETYPE_CHANNEL, MC_PARAM) { }
+
+	ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& param, bool adding) CXX11_OVERRIDE;
+
+	// Does nothing by default
+	void OnUnset(User* source, Channel* chan) { }
+	virtual ModeAction OnSet(User* source, Channel* chan, std::string& param) = 0;
+	virtual void GetParameter(Channel* chan, std::string& out) = 0;
+};
+
+/** Defines a parameter mode
+ * T = Child class
+ * ExtItemT = Type of the extension item used to store the parameter
+ *
+ * When unsetting the mode, the extension is automatically unset.
+ */
+template <typename T, typename ExtItemT>
+class ParamMode : public ParamModeBase
+{
+ public:
+	ExtItemT ext;
+
+	/**
+	 * @param Creator Module handling this mode
+	 * @param Name The internal name of this mode
+	 * @param modeletter The mode letter of this mode
+	 * @param ps The parameter type of this mode, one of ParamSpec
+	 */
+	ParamMode(Module* Creator, const std::string& Name, char modeletter, ParamSpec ps = PARAM_SETONLY)
+		: ParamModeBase(Creator, Name, modeletter, ps)
+		, ext("parammode_" + Name, ExtensionItem::EXT_CHANNEL, Creator)
+	{
+	}
+
+	void OnUnsetInternal(User* source, Channel* chan) CXX11_OVERRIDE
+	{
+		T* mh = static_cast<T*>(this);
+		mh->OnUnset(source, chan);
+		ext.unset(chan);
+	}
+
+	void GetParameter(Channel* chan, std::string& out) CXX11_OVERRIDE
+	{
+		T* mh = static_cast<T*>(this);
+		mh->SerializeParam(chan, ext.get(chan), out);
+	}
+};