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diff --git a/indra/llcommon/lldictionary.h b/indra/llcommon/lldictionary.h
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+/** 
+ * @file lldictionary.h
+ * @brief Lldictionary class header file
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLDICTIONARY_H
+#define LL_LLDICTIONARY_H
+
+#include <map>
+#include <string>
+
+struct LL_COMMON_API LLDictionaryEntry
+{
+	LLDictionaryEntry(const std::string &name);
+	virtual ~LLDictionaryEntry() {}
+	const std::string mName;
+	std::string mNameCapitalized;
+};
+
+template <class Index, class Entry>
+class LLDictionary : public std::map<Index, Entry *>
+{
+public:
+	typedef std::map<Index, Entry *> map_t;
+	typedef typename map_t::iterator iterator_t;
+	typedef typename map_t::const_iterator const_iterator_t;
+	
+	LLDictionary() {}
+	virtual ~LLDictionary()
+	{
+		for (iterator_t iter = map_t::begin(); iter != map_t::end(); ++iter)
+			delete (iter->second);
+	}
+
+	const Entry *lookup(Index index) const
+	{
+		const_iterator_t dictionary_iter = map_t::find(index);
+		if (dictionary_iter == map_t::end()) return NULL;
+		return dictionary_iter->second;
+	}
+	const Index lookup(const std::string &name) const 
+	{
+		for (const_iterator_t dictionary_iter = map_t::begin();
+			 dictionary_iter != map_t::end();
+			 dictionary_iter++)
+		{
+			const Entry *entry = dictionary_iter->second;
+			if (entry->mName == name)
+			{
+				return dictionary_iter->first;
+			}
+		}
+		return notFound();
+	}
+
+protected:
+	virtual Index notFound() const
+	{
+		// default is to assert
+		llassert(false);
+		return Index(-1);
+	}
+	void addEntry(Index index, Entry *entry)
+	{
+		if (lookup(index))
+		{
+			llerrs << "Dictionary entry already added (attempted to add duplicate entry)" << llendl;
+		}
+		(*this)[index] = entry;
+	}
+};
+
+#endif // LL_LLDICTIONARY_H