244 lines
7.6 KiB
C++
244 lines
7.6 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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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: collectchanges.cxx,v $
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* $Revision: 1.11 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_configmgr.hxx"
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#include <string.h>
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#include "collectchanges.hxx"
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#include "nodechangeinfo.hxx"
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#include <osl/diagnose.h>
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namespace configmgr
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{
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namespace configuration
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{
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//-----------------------------------------------------------------------------
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// conversion helper function
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//-----------------------------------------------------------------------------
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bool convertNodeChange(NodeChangeData& aData_, ValueChange const& aChange_)
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{
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switch(aChange_.getMode())
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{
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case ValueChange::wasDefault:
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case ValueChange::changeValue:
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aData_.type = NodeChangeData::eSetValue;
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break;
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case ValueChange::setToDefault:
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aData_.type = NodeChangeData::eSetDefault;
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break;
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case ValueChange::changeDefault:
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aData_.type = NodeChangeData::eNoChange; // ??
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break;
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default:
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OSL_ENSURE(false,"Unknown change type found");
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return false;
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}
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aData_.unoData.newValue = aChange_.getNewValue();
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aData_.unoData.oldValue = aChange_.getOldValue();
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return true;
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}
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//-----------------------------------------------------------------------------
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bool convertNodeChange(NodeChangeData& aData_, AddNode const& aChange_)
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{
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aData_.type = aChange_.isReplacing()
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? NodeChangeData::eReplaceElement
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: NodeChangeData::eInsertElement;
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return true;
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}
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//-----------------------------------------------------------------------------
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bool convertNodeChange(NodeChangeData& aData_, RemoveNode const& /*aChange_*/)
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{
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aData_.type = NodeChangeData::eRemoveElement;
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return true;
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}
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// CollectChanges visitor class
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//-----------------------------------------------------------------------------
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CollectChanges::CollectChanges( NodeChangesInformation& rTargetList_,
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TreeImpl& rStartTree_, NodeOffset nStartNode_,
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TemplateHolder aElementTemplate_,
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TreeDepth nMaxDepth)
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: m_rTargetList(rTargetList_)
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, m_aAccessor()
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, m_aContextTypeName()
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, m_pBaseTree(&rStartTree_)
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, m_nBaseNode(nStartNode_)
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, m_nDepthLeft( nMaxDepth )
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{
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if (aElementTemplate_.is())
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m_aContextTypeName = aElementTemplate_->getName();
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}
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//-----------------------------------------------------------------------------
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CollectChanges::CollectChanges( CollectChanges const& rBase, Path::Component const& rChildName, Name const& aSubTypeName_)
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: m_rTargetList(rBase.m_rTargetList)
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, m_aAccessor(rBase.m_aAccessor.compose(rChildName))
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, m_aContextTypeName(aSubTypeName_)
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, m_pBaseTree(rBase.m_pBaseTree)
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, m_nBaseNode(rBase.m_nBaseNode)
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, m_nDepthLeft(childDepth(rBase.m_nDepthLeft))
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{
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OSL_ASSERT(rBase.m_nDepthLeft > 0);
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}
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//-----------------------------------------------------------------------------
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inline
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Path::Component CollectChanges::implGetNodeName(Change const& aChange_) const
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{
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Name aSimpleNodeName = makeName( aChange_.getNodeName(), Name::NoValidate() );
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if (m_aContextTypeName.isEmpty())
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{
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OSL_ENSURE(isSimpleName(aSimpleNodeName),"Unexpected: Found non-simple name without a type");
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return Path::wrapSafeName(aSimpleNodeName);
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}
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else
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return Path::makeCompositeName(aSimpleNodeName, m_aContextTypeName);
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}
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//-----------------------------------------------------------------------------
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void CollectChanges::collectFrom(ValueChange const& aChange_)
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{
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NodeChangeInformation aInfo;
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if ( convertNodeChange( aInfo.change, aChange_ ) &&
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implSetLocation( aInfo.location, aChange_, false ) )
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{
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implAdd( aInfo );
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}
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}
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//-----------------------------------------------------------------------------
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void CollectChanges::collectFrom(AddNode const& aChange_)
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{
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NodeChangeInformation aInfo;
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if ( convertNodeChange( aInfo.change, aChange_ ) &&
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implSetLocation( aInfo.location, aChange_, true ) )
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{
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implAdd( aInfo );
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}
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}
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//-----------------------------------------------------------------------------
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void CollectChanges::collectFrom(RemoveNode const& aChange_)
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{
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NodeChangeInformation aInfo;
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if ( convertNodeChange( aInfo.change, aChange_ ) &&
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implSetLocation( aInfo.location, aChange_, true ) )
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{
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implAdd( aInfo );
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}
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}
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//-----------------------------------------------------------------------------
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void CollectChanges::collectFrom(SubtreeChange const& aChanges_)
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{
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if (m_nDepthLeft > 0)
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{
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Name aSubTypeName = makeName( aChanges_.getElementTemplateName(), Name::NoValidate() );
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CollectChanges aSubcollector( *this, implGetNodeName(aChanges_), aSubTypeName );
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aSubcollector.applyToChildren(aChanges_);
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}
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}
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//-----------------------------------------------------------------------------
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void CollectChanges::implAdd(NodeChangeInformation const& aChangeInfo_)
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{
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m_rTargetList.push_back(aChangeInfo_);
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}
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//-----------------------------------------------------------------------------
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bool CollectChanges::implSetLocation(NodeChangeLocation& rLocation_, Change const& aOriginal_, bool bSet_) const
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{
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NodeID aBaseID(m_pBaseTree,m_nBaseNode);
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if (aBaseID.isEmpty())
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return false;
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rLocation_.setBase( aBaseID );
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if (bSet_ && m_aAccessor.isEmpty()) // It is a set change affecting the base ...
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rLocation_.setAffected( aBaseID );
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Path::Component aChangeName = implGetNodeName( aOriginal_ );
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rLocation_.setAccessor( m_aAccessor.compose( aChangeName ) );
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return true;
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}
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// ChangeTreeAction implementations
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//-----------------------------------------------------------------------------
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void CollectChanges::handle(ValueChange const& aValueNode_)
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{
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collectFrom(aValueNode_);
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}
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//-----------------------------------------------------------------------------
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void CollectChanges::handle(AddNode const& aAddNode_)
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{
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collectFrom(aAddNode_);
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}
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//-----------------------------------------------------------------------------
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void CollectChanges::handle(RemoveNode const& aRemoveNode_)
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{
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collectFrom(aRemoveNode_);
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}
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//-----------------------------------------------------------------------------
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void CollectChanges::handle(SubtreeChange const& aSubtree_)
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{
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collectFrom( aSubtree_ );
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}
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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}
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}
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