54 lines
2.1 KiB
C++
54 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <cppuhelper/weakref.hxx>
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#include <xmloff/SinglePropertySetInfoCache.hxx>
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#include <com/sun/star/beans/XPropertySet.hpp>
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using namespace ::com::sun::star::uno;
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using ::com::sun::star::beans::XPropertySet;
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using ::com::sun::star::beans::XPropertySetInfo;
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bool SinglePropertySetInfoCache::hasProperty(
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const Reference< XPropertySet >& rPropSet,
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Reference< XPropertySetInfo >& rPropSetInfo )
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{
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if( !rPropSetInfo.is() )
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rPropSetInfo = rPropSet->getPropertySetInfo();
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Map::iterator aIter = m_Map.find( rPropSetInfo );
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if( aIter != m_Map.end() )
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{
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return (*aIter).second;
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}
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bool bRet = rPropSetInfo->hasPropertyByName( m_sName );
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// Check whether the property set info is destroyed if it is assigned to a
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// weak reference only; if it is destroyed, then every instance of
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// getPropertySetInfo returns a new object; Such property set infos must not
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// be cached:
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WeakReference < XPropertySetInfo > xWeakInfo( rPropSetInfo );
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rPropSetInfo = nullptr;
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rPropSetInfo = xWeakInfo;
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if( rPropSetInfo.is() )
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{
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m_Map.emplace(rPropSetInfo, bRet);
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}
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return bRet;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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