529 lines
18 KiB
C++
529 lines
18 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: layerupdatemerger.cxx,v $
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*
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* $Revision: 1.10 $
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*
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* last change: $Author: hr $ $Date: 2006-06-19 23:19:55 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#include "layerupdatemerger.hxx"
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#ifndef CONFIGMGR_BACKEND_LAYERUPDATEBUILDER_HXX
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#include "layerupdatebuilder.hxx"
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#endif
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#ifndef CONFIGMGR_BACKEND_UPDATEDATA_HXX
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#include "updatedata.hxx"
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#endif
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// -----------------------------------------------------------------------------
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namespace configmgr
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{
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// -----------------------------------------------------------------------------
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namespace backend
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{
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// -----------------------------------------------------------------------------
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LayerUpdateMerger::LayerUpdateMerger(LayerSource const & _xSourceLayer, LayerUpdate const & _aLayerUpdate)
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: BasicUpdateMerger(_xSourceLayer)
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, m_aLayerUpdate(_aLayerUpdate)
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, m_xCurrentNode()
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{
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}
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// -----------------------------------------------------------------------------
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LayerUpdateMerger::~LayerUpdateMerger()
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{
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}
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// -----------------------------------------------------------------------------
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void LayerUpdateMerger::flushUpdate()
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{
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OSL_ENSURE(!BasicUpdateMerger::isHandling(), "LayerUpdateMerger: Unexpected: flushing data, while base implementation is active");
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OSL_ENSURE(m_xCurrentNode.is(),"LayerUpdateMerger: No data for flushing.");
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if (m_xCurrentNode.is())
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{
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m_xCurrentNode->writeChildrenToLayer(getResultWriter().get());
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m_xCurrentNode.clear();
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}
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::startLayer( )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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BasicUpdateMerger::startLayer();
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m_xCurrentNode = m_aLayerUpdate.getContextNode();
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BasicUpdateMerger::findContext(m_aLayerUpdate.getContextPath());
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::endLayer( )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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BasicUpdateMerger::endLayer();
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OSL_ENSURE(!m_xCurrentNode.is(), "Path being updated not found in data - update not written");
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::overrideNode( const OUString& aName, sal_Int16 aAttributes, sal_Bool bClear )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::overrideNode(aName, aAttributes, bClear);
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return;
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}
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OSL_ASSERT(m_xCurrentNode.is());
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ElementUpdateRef xUpdate = m_xCurrentNode->getNodeByName(aName);
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if (!xUpdate.is())
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{
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BasicUpdateMerger::overrideNode(aName, aAttributes, bClear);
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OSL_ASSERT(BasicUpdateMerger::isHandling());
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return;
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}
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m_xCurrentNode->removeNodeByName(aName);
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if (NodeUpdate * pNodeUpdate = xUpdate->asNodeUpdate(true))
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{
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getResultWriter()->overrideNode(aName, pNodeUpdate->updateFlags(aAttributes), bClear);
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m_xCurrentNode.set(pNodeUpdate);
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}
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else
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{
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xUpdate->writeToLayer(getResultWriter().get());
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BasicUpdateMerger::startSkipping();
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}
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::addOrReplaceNode( const OUString& aName, sal_Int16 aAttributes )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::addOrReplaceNode(aName, aAttributes);
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return;
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}
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OSL_ASSERT(m_xCurrentNode.is());
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ElementUpdateRef xUpdate = m_xCurrentNode->getNodeByName(aName);
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if (!xUpdate.is())
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{
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BasicUpdateMerger::addOrReplaceNode(aName, aAttributes);
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OSL_ASSERT(BasicUpdateMerger::isHandling());
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return;
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}
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m_xCurrentNode->removeNodeByName(aName);
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if (NodeUpdate * pNodeUpdate = xUpdate->asNodeUpdate(true))
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{
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getResultWriter()->addOrReplaceNode(aName, pNodeUpdate->updateFlags(aAttributes));
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m_xCurrentNode.set(pNodeUpdate);
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}
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else
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{
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xUpdate->writeToLayer(getResultWriter().get());
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BasicUpdateMerger::startSkipping();
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}
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::addOrReplaceNodeFromTemplate( const OUString& aName, const TemplateIdentifier& aTemplate, sal_Int16 aAttributes )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::addOrReplaceNodeFromTemplate(aName, aTemplate, aAttributes);
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return;
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}
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OSL_ASSERT(m_xCurrentNode.is());
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ElementUpdateRef xUpdate = m_xCurrentNode->getNodeByName(aName);
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if (!xUpdate.is())
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{
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BasicUpdateMerger::addOrReplaceNodeFromTemplate(aName, aTemplate, aAttributes);
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OSL_ASSERT(BasicUpdateMerger::isHandling());
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return;
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}
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m_xCurrentNode->removeNodeByName(aName);
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if (NodeUpdate * pNodeUpdate = xUpdate->asNodeUpdate(true))
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{
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getResultWriter()->addOrReplaceNodeFromTemplate(aName, aTemplate, pNodeUpdate->updateFlags(aAttributes));
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m_xCurrentNode.set(pNodeUpdate);
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}
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else
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{
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xUpdate->writeToLayer(getResultWriter().get());
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BasicUpdateMerger::startSkipping();
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}
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::endNode( )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::endNode();
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return;
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}
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OSL_ASSERT(m_xCurrentNode.is());
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// write unhandled so far changes
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m_xCurrentNode->writeChildrenToLayer( getResultWriter().get() );
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NodeUpdateRef xParent( m_xCurrentNode->getParent() );
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if (xParent.is())
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getResultWriter()->endNode();
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else
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BasicUpdateMerger::leaveContext();
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m_xCurrentNode = xParent;
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::dropNode( const OUString& aName )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::dropNode(aName);
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return;
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}
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OSL_ASSERT(m_xCurrentNode.is());
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ElementUpdateRef xUpdate = m_xCurrentNode->getNodeByName(aName);
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if (xUpdate.is())
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{
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m_xCurrentNode->removeNodeByName(aName);
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if (NodeUpdate * pNodeUpdate = xUpdate->asNodeUpdate())
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{
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if (pNodeUpdate-> getOperation() == NodeUpdate::replace)
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{
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xUpdate->writeToLayer( getResultWriter().get() );
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return;
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}
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else
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{
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malformedUpdate("LayerUpdateMerger: Applying modification to dropped node");
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}
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}
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}
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getResultWriter()->dropNode(aName);
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::overrideProperty( const OUString& aName, sal_Int16 aAttributes, const uno::Type& aType, sal_Bool bClear )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::overrideProperty(aName, aAttributes, aType, bClear);
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return;
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}
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OSL_ASSERT( m_xCurrentNode.is());
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ElementUpdateRef xUpdate = m_xCurrentNode->getPropertyByName(aName);
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if (!xUpdate.is())
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{
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BasicUpdateMerger::overrideProperty(aName, aAttributes, aType, bClear);
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OSL_ASSERT(BasicUpdateMerger::isHandling());
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return;
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}
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m_xCurrentNode->removePropertyByName(aName);
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if (PropertyUpdate * pPropUpdate = xUpdate->asPropertyUpdate())
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{
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OSL_ENSURE( aType == pPropUpdate->getValueType() ||
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aType == uno::Type() ||
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pPropUpdate->getValueType() == uno::Type(),
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"Error in update merger: type mismatch overriding property ...");
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getResultWriter()->overrideProperty(aName, pPropUpdate->updateFlags(aAttributes), aType, bClear);
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m_xCurrentProp.set(pPropUpdate);
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}
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else
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{
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xUpdate->writeToLayer(getResultWriter().get());
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BasicUpdateMerger::startSkipping();
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}
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::endProperty( )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::endProperty();
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return;
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}
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OSL_ASSERT(m_xCurrentNode.is());
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if (!m_xCurrentProp.is())
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{
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OUString sMsg( RTL_CONSTASCII_USTRINGPARAM("LayerUpdateMerger: Invalid data: Ending property that wasn't started.") );
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throw MalformedDataException( sMsg, *this, uno::Any() );
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}
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// write unhandled so far values
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m_xCurrentProp->writeValuesToLayer( getResultWriter().get() );
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getResultWriter()->endProperty();
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m_xCurrentProp.clear();
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::setPropertyValue( const uno::Any& aValue )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::setPropertyValue(aValue);
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return;
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}
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OSL_ASSERT(m_xCurrentNode.is());
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if (!m_xCurrentProp.is())
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{
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OUString sMsg( RTL_CONSTASCII_USTRINGPARAM("LayerUpdateMerger: Invalid data: setting value, but no property is started.") );
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throw MalformedDataException( sMsg, *this, uno::Any() );
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}
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if (!m_xCurrentProp->hasChange())
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{
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BasicUpdateMerger::setPropertyValue(aValue);
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return;
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}
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#ifndef CFG_UPDATEMERGER_BATCHWRITE_PROPERTIES
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if (m_xCurrentProp->hasValue())
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{
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getResultWriter()->setPropertyValue(m_xCurrentProp->getValue());
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}
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else
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{
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OSL_ENSURE(m_xCurrentProp->hasReset(),"LayerUpdateMerger: ERROR: Unknown change type in PropertyUpdate");
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// write nothing to result
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}
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// mark handled
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m_xCurrentProp->removeValue();
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#endif
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::setPropertyValueForLocale( const uno::Any& aValue, const OUString & aLocale )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::setPropertyValueForLocale(aValue, aLocale);
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return;
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}
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OSL_ASSERT(m_xCurrentNode.is());
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if (!m_xCurrentProp.is())
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{
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OUString sMsg( RTL_CONSTASCII_USTRINGPARAM("LayerUpdateMerger: Invalid data: setting value, but no property is started.") );
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throw MalformedDataException( sMsg, *this, uno::Any() );
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}
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if (!m_xCurrentProp->hasChangeFor(aLocale))
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{
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BasicUpdateMerger::setPropertyValueForLocale(aValue, aLocale);
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return;
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}
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#ifndef CFG_UPDATEMERGER_BATCHWRITE_PROPERTIES
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if (m_xCurrentProp->hasValueFor(aLocale))
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{
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getResultWriter()->setPropertyValueForLocale(m_xCurrentProp->getValueFor(aLocale),aLocale);
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}
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else
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{
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OSL_ENSURE(m_xCurrentProp->hasResetFor(aLocale),"LayerUpdateMerger: ERROR: Unknown change type in PropertyUpdate");
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// write nothing to result
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}
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// mark handled
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m_xCurrentProp->removeValueFor(aLocale);
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#endif
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::addProperty( const OUString& aName, sal_Int16 aAttributes, const uno::Type& aType )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::addProperty(aName, aAttributes, aType);
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return;
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}
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OSL_ASSERT( m_xCurrentNode.is());
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ElementUpdateRef xUpdate = m_xCurrentNode->getPropertyByName(aName);
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if (!xUpdate.is())
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{
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BasicUpdateMerger::addProperty(aName, aAttributes, aType);
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return;
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}
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m_xCurrentNode->removePropertyByName(aName);
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if (PropertyUpdate * pPropUpdate = xUpdate->asPropertyUpdate())
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{
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if (pPropUpdate->hasValue() && pPropUpdate->getValue().hasValue())
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{
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// TODO: validate value-type
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uno::Any aNewValue = pPropUpdate->getValue();
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OSL_ASSERT( aNewValue.hasValue() );
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if (aNewValue.getValueType() != aType)
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malformedUpdate("LayerUpdateMerger: cannot do type conversion while writing updates");
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getResultWriter()->addPropertyWithValue(aName, pPropUpdate->updateFlags(aAttributes), aNewValue);
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}
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else
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{
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// TODO: validate type
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if (pPropUpdate->getValueType() != aType && pPropUpdate->getValueType() != uno::Type())
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malformedUpdate("LayerUpdateMerger: types for property update do not match");
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OSL_ENSURE(!pPropUpdate->hasReset(),"Warning: resetting the value of an added property is undefined - reverting to NULL");
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getResultWriter()->addProperty(aName, pPropUpdate->updateFlags(aAttributes), aType);
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}
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}
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else
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{
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xUpdate->writeToLayer(getResultWriter().get());
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}
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL LayerUpdateMerger::addPropertyWithValue( const OUString& aName, sal_Int16 aAttributes, const uno::Any& aValue )
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throw (MalformedDataException, lang::WrappedTargetException, uno::RuntimeException)
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{
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if (BasicUpdateMerger::isHandling())
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{
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BasicUpdateMerger::addPropertyWithValue(aName, aAttributes, aValue);
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return;
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}
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OSL_ASSERT( m_xCurrentNode.is());
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ElementUpdateRef xUpdate = m_xCurrentNode->getPropertyByName(aName);
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if (!xUpdate.is())
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{
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BasicUpdateMerger::addPropertyWithValue(aName, aAttributes, aValue);
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return;
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}
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m_xCurrentNode->removePropertyByName(aName);
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if (PropertyUpdate * pPropUpdate = xUpdate->asPropertyUpdate())
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{
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if (!pPropUpdate->hasChange()) // attribute change only
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{
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getResultWriter()->addPropertyWithValue(aName, pPropUpdate->updateFlags(aAttributes), aValue);
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}
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else if (pPropUpdate->hasReset())
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{
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// write nothing
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}
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else if (pPropUpdate->getValue().hasValue()) // setting to non-NULL value
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{
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OSL_ASSERT(pPropUpdate->hasValue());
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// TODO: validate value-type
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uno::Any aNewValue = pPropUpdate->getValue();
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if (aNewValue.getValueType() != aValue.getValueType())
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malformedUpdate("LayerUpdateMerger: cannot do type conversion while writing updates");
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getResultWriter()->addPropertyWithValue(aName, pPropUpdate->updateFlags(aAttributes), aNewValue);
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}
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else // setting to null value
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{
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OSL_ASSERT(pPropUpdate->hasValue());
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// TODO: validate type
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if (pPropUpdate->getValueType() != aValue.getValueType() && pPropUpdate->getValueType() != uno::Type())
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malformedUpdate("LayerUpdateMerger: types for property update do not match");
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getResultWriter()->addProperty(aName, pPropUpdate->updateFlags(aAttributes), aValue.getValueType());
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}
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}
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else
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{
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xUpdate->writeToLayer(getResultWriter().get());
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}
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}
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// -----------------------------------------------------------------------------
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void LayerUpdateMerger::malformedUpdate(sal_Char const * pMsg)
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{
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{ (void)pMsg; }
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OSL_ENSURE(false,pMsg);
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}
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// -----------------------------------------------------------------------------
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void LayerUpdateMerger::illegalUpdate(sal_Char const * pMsg)
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{
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{ (void)pMsg; }
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OSL_ENSURE(false,pMsg);
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}
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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} // namespace
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// -----------------------------------------------------------------------------
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} // namespace
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