Imported existing code

indra/llcommon/llnametable.h

@@ -0,0 +1,111 @@
+/** 
+ * @file llnametable.h
+ * @brief LLNameTable class is a table to associate pointers with string names
+ *
+ * $LicenseInfo:firstyear=2000&license=viewergpl$
+ * 
+ * Copyright (c) 2000-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLNAMETABLE_H
+#define LL_LLNAMETABLE_H
+
+#include <map>
+
+#include "string_table.h"
+
+template <class DATA>
+class LLNameTable
+{
+public:
+	LLNameTable()
+	:	mNameMap()
+	{
+	}
+
+	~LLNameTable() 
+	{ 
+	}
+
+	void addEntry(const std::string& name, DATA data)
+	{
+		addEntry(name.c_str(), data);
+	}
+
+	void addEntry(const char *name, DATA data)
+	{
+		char *tablename = gStringTable.addString(name);
+		mNameMap[tablename] = data;
+	}
+
+	BOOL checkName(const std::string& name) const
+	{
+		return checkName(name.c_str());
+	}
+
+	// "logically const" even though it modifies the global nametable
+	BOOL checkName(const char *name) const
+	{
+		char *tablename = gStringTable.addString(name);
+		return mNameMap.count(tablename) ? TRUE : FALSE;
+	}
+
+	DATA resolveName(const std::string& name) const
+	{
+		return resolveName(name.c_str());
+	}
+
+	// "logically const" even though it modifies the global nametable
+	DATA resolveName(const char *name) const
+	{
+		char *tablename = gStringTable.addString(name);
+		const_iter_t iter = mNameMap.find(tablename);
+		if (iter != mNameMap.end())
+			return iter->second;
+		else
+			return 0;
+	}
+
+	// O(N)! (currently only used in one place... (newsim/llstate.cpp))
+	const char *resolveData(const DATA &data) const
+	{
+		const_iter_t iter = mNameMap.begin();
+		const_iter_t end = mNameMap.end();
+		for (; iter != end; ++iter)
+		{
+			if (iter->second == data)
+				return iter->first;
+		}
+   		return NULL;
+	}		
+
+	typedef std::map<const char *, DATA> name_map_t;
+	typedef typename std::map<const char *,DATA>::iterator iter_t;
+	typedef typename std::map<const char *,DATA>::const_iterator const_iter_t;
+	name_map_t		mNameMap;
+};
+
+#endif