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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: urp_cache.h,v $
+ * $Revision: 1.5 $
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+
+namespace bridges_urp
+{
+ template < class t , class tequals >
+ class Cache
+ {
+ public:
+ inline Cache ( sal_uInt16 nMaxEntries );
+ inline ~Cache();
+
+ // puts the value t into the cache. Returns then entry,
+ // that is used for this value.
+ inline sal_uInt16 put( const t & );
+
+ // lookup, if there is an entry for this value
+ // returns 0xffff, when value cannot be found in the list
+ inline sal_uInt16 seek( const t & );
+
+ // resizes the cache, conserving overlapping values
+ inline void resize( sal_uInt16 nNewMaxEntries );
+
+ // empties the cache
+ inline void clear();
+ private:
+ t *m_pCache;
+ ::std::list< sal_uInt16 > m_lstLeastRecentlyUsed;
+ sal_uInt16 m_nMaxEntries;
+ sal_uInt16 m_nEntries;
+ };
+}