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diff --git a/forms/source/xforms/NameContainer.hxx b/forms/source/xforms/NameContainer.hxx
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+++ b/forms/source/xforms/NameContainer.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_FORMS_SOURCE_XFORMS_NAMECONTAINER_HXX
+#define INCLUDED_FORMS_SOURCE_XFORMS_NAMECONTAINER_HXX
+
+#include <comphelper/sequence.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <map>
+
+#include <com/sun/star/container/XNameContainer.hpp>
+#include <com/sun/star/container/NoSuchElementException.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Type.hxx>
+#include <osl/diagnose.h>
+
+typedef cppu::WeakImplHelper<
+    css::container::XNameContainer
+> NameContainer_t;
+
+template<class T>
+class NameContainer : public NameContainer_t
+{
+    typedef std::map<OUString,T> map_t;
+    map_t maItems;
+
+protected:
+    typename map_t::const_iterator findItem( const OUString& rName )
+    {
+        return maItems.find( rName );
+    }
+
+    bool hasItem( const OUString& rName )
+    {
+        return findItem( rName ) != maItems.end();
+    }
+
+    void replace( const OUString& rName,
+                  const T& aElement )
+    {
+        OSL_ENSURE( hasItem( rName ), "unknown item" );
+        maItems[ rName ] = aElement;
+    }
+
+    void insert( const OUString& rName,
+                 const T& aElement )
+    {
+        OSL_ENSURE( ! hasItem( rName ), "item already in set" );
+        maItems[ rName ] = aElement;
+    }
+
+    void remove( const OUString& rName )
+    {
+        OSL_ENSURE( hasItem( rName ), "item not in set" );
+        maItems.erase( rName );
+    }
+
+
+public:
+
+    NameContainer() {}
+
+
+    // methods for XElementAccess
+
+
+    virtual css::uno::Type SAL_CALL getElementType() override
+    {
+        return cppu::UnoType<T>::get();
+    }
+
+    virtual sal_Bool SAL_CALL hasElements() override
+    {
+        return ! maItems.empty();
+    }
+
+
+    // methods for XNameAccess (inherits XElementAccess)
+
+
+    virtual css::uno::Any SAL_CALL getByName(
+        const OUString& rName ) override
+    {
+        typename map_t::const_iterator aIter = findItem( rName );
+        if( aIter == maItems.end() )
+            throw css::container::NoSuchElementException();
+        return css::uno::makeAny( aIter->second );
+    }
+
+    virtual css::uno::Sequence<OUString> SAL_CALL getElementNames() override
+    {
+        return comphelper::mapKeysToSequence(maItems);
+    }
+
+    virtual sal_Bool SAL_CALL hasByName(
+        const OUString& rName ) override
+    {
+        return hasItem( rName );
+    }
+
+
+    // methods for XNameReplace (inherits XNameAccess)
+
+
+    virtual void SAL_CALL replaceByName(
+        const OUString& rName,
+        const css::uno::Any& aElement ) override
+    {
+        T aItem;
+        if( !(aElement >>= aItem) )
+            throw css::lang::IllegalArgumentException();
+        if( !hasByName( rName ) )
+            throw css::container::NoSuchElementException();
+        replace( rName, aItem );
+    }
+
+
+    // methods for XNameContainer (inherits XNameReplace)
+
+
+    virtual void SAL_CALL insertByName(
+        const OUString& rName,
+        const css::uno::Any& aElement ) override
+    {
+        T aItem;
+        if( !(aElement >>= aItem) )
+            throw css::lang::IllegalArgumentException();
+        if( hasByName( rName ) )
+            throw css::container::ElementExistException();
+        insert( rName, aItem );
+    }
+
+    virtual void SAL_CALL removeByName(
+        const OUString& rName ) override
+    {
+        if( !hasByName( rName ) )
+            throw css::container::NoSuchElementException();
+        remove( rName );
+    }
+
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */