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diff --git a/xmloff/source/forms/attriblistmerge.hxx b/xmloff/source/forms/attriblistmerge.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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 _XMLOFF_FORMS_ATTRIBLISTMERGE_HXX_
+#define _XMLOFF_FORMS_ATTRIBLISTMERGE_HXX_
+
+#include <comphelper/stl_types.hxx>
+#include <cppuhelper/implbase1.hxx>
+#include <osl/mutex.hxx>
+#include <com/sun/star/xml/sax/XAttributeList.hpp>
+
+//.........................................................................
+namespace xmloff
+{
+//.........................................................................
+
+    //=====================================================================
+    //= OAttribListMerger
+    //=====================================================================
+    typedef ::cppu::WeakImplHelper1 <   ::com::sun::star::xml::sax::XAttributeList
+                                    >   OAttribListMerger_Base;
+    /** implements the XAttributeList list by merging different source attribute lists
+
+        <p>Currently, the time behavious is O(n), though it would be possible to change it to O(log n).</p>
+    */
+    class OAttribListMerger : public OAttribListMerger_Base
+    {
+    protected:
+        ::osl::Mutex        m_aMutex;
+        DECLARE_STL_VECTOR( ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >, AttributeListArray );
+        AttributeListArray  m_aLists;
+
+        ~OAttribListMerger() { }
+
+    public:
+        OAttribListMerger() { }
+
+        // attribute list handling
+        // (very thinn at the moment ... only adding lists is allowed ... add more if you need it :)
+        void addList(const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >& _rList);
+
+        // XAttributeList
+        virtual sal_Int16 SAL_CALL getLength(  ) throw(::com::sun::star::uno::RuntimeException);
+        virtual ::rtl::OUString SAL_CALL getNameByIndex( sal_Int16 i ) throw(::com::sun::star::uno::RuntimeException);
+        virtual ::rtl::OUString SAL_CALL getTypeByIndex( sal_Int16 i ) throw(::com::sun::star::uno::RuntimeException);
+        virtual ::rtl::OUString SAL_CALL getTypeByName( const ::rtl::OUString& aName ) throw(::com::sun::star::uno::RuntimeException);
+        virtual ::rtl::OUString SAL_CALL getValueByIndex( sal_Int16 i ) throw(::com::sun::star::uno::RuntimeException);
+        virtual ::rtl::OUString SAL_CALL getValueByName( const ::rtl::OUString& aName ) throw(::com::sun::star::uno::RuntimeException);
+
+    protected:
+        sal_Bool seekToIndex(sal_Int16 _nGlobalIndex, ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >& _rSubList, sal_Int16& _rLocalIndex);
+        sal_Bool seekToName(const ::rtl::OUString& _rName, ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >& _rSubList, sal_Int16& _rLocalIndex);
+    };
+
+
+//.........................................................................
+}   // namespace xmloff
+//.........................................................................
+
+#endif // _XMLOFF_FORMS_ATTRIBLISTMERGE_HXX_
+