From f66d05dbda78c44b9af40e3e6f4e1a50f802d054 Mon Sep 17 00:00:00 2001
From: Attila Molnar <attilamolnar@hush.com>
Date: Thu, 20 Feb 2014 13:20:21 +0100
Subject: Create a name -> ModeHandler* map

---
 include/mode.h | 8 ++++++++
 src/mode.cpp   | 9 +++++++++
 2 files changed, 17 insertions(+)

diff --git a/include/mode.h b/include/mode.h
index 2e40badca..4b8aa0935 100644
--- a/include/mode.h
+++ b/include/mode.h
@@ -479,6 +479,10 @@ class CoreExport ModeParser
 	 */
 	static const unsigned int MODETYPE_LAST = 2;
 
+	/** Type of the container that maps mode names to ModeHandlers
+	 */
+	typedef TR1NS::unordered_map<std::string, ModeHandler*, irc::insensitive, irc::StrHashComp> ModeHandlerMap;
+
 	/** Mode handlers for each mode, to access a handler subtract
 	 * 65 from the ascii value of the mode letter.
 	 * The upper bit of the value indicates if its a usermode
@@ -486,6 +490,10 @@ class CoreExport ModeParser
 	 */
 	ModeHandler* modehandlers[MODETYPE_LAST][128];
 
+	/** A map of mode handlers keyed by their name
+	 */
+	ModeHandlerMap modehandlersbyname[MODETYPE_LAST];
+
 	/** Lists of mode handlers by type
 	 */
 	struct
diff --git a/src/mode.cpp b/src/mode.cpp
index a2a0790b8..e70df5479 100644
--- a/src/mode.cpp
+++ b/src/mode.cpp
@@ -635,6 +635,9 @@ bool ModeParser::AddMode(ModeHandler* mh)
 	if (slot)
 		return false;
 
+	if (!modehandlersbyname[mh->GetModeType()].insert(std::make_pair(mh->name, mh)).second)
+		return false;
+
 	// Everything is fine, add the mode
 	slot = mh;
 	if (pm)
@@ -651,6 +654,11 @@ bool ModeParser::DelMode(ModeHandler* mh)
 	if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
 		return false;
 
+	ModeHandlerMap& mhmap = modehandlersbyname[mh->GetModeType()];
+	ModeHandlerMap::iterator mhmapit = mhmap.find(mh->name);
+	if ((mhmapit == mhmap.end()) || (mhmapit->second != mh))
+		return false;
+
 	ModeHandler*& slot = modehandlers[mh->GetModeType()][mh->GetModeChar()-65];
 	if (slot != mh)
 		return false;
@@ -689,6 +697,7 @@ bool ModeParser::DelMode(ModeHandler* mh)
 		break;
 	}
 
+	mhmap.erase(mhmapit);
 	slot = NULL;
 	if (mh->IsPrefixMode())
 		mhlist.prefix.erase(std::find(mhlist.prefix.begin(), mhlist.prefix.end(), mh->IsPrefixMode()));
-- 
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