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diff --git a/rsc/inc/rschash.hxx b/rsc/inc/rschash.hxx
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+++ b/rsc/inc/rschash.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: rschash.hxx,v $
+ * $Revision: 1.6 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef _RSCHASH_HXX
+#define _RSCHASH_HXX
+
+#include <sal/types.h>
+#include <rtl/string.hxx>
+#include <hash_map>
+
+typedef sal_uInt32 Atom;
+
+#define InvalidAtom Atom( ~0 )
+
+class AtomContainer
+{
+    Atom m_nNextID;
+    std::hash_map< rtl::OString, Atom, rtl::OStringHash > m_aStringToID;
+    std::hash_map< Atom, rtl::OString > m_aIDToString;
+
+    public:
+    AtomContainer();
+    ~AtomContainer();
+
+    Atom getID( const rtl::OString& rStr, bool bOnlyIfExists = false );
+    const rtl::OString& getString( Atom nAtom );
+
+};
+
+#endif // _RSCHASH_HXX
+