255 lines
8.6 KiB
C++
255 lines
8.6 KiB
C++
/*************************************************************************
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*
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* $RCSfile: nodeconverter.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: jb $ $Date: 2002-02-11 13:47:55 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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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 2000 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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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#include <stdio.h>
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#include "nodeconverter.hxx"
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#ifndef CONFIGMGR_TREE_NODEFACTORY_HXX
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#include "treenodefactory.hxx"
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#endif
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#ifndef _OSL_DIAGNOSE_H_
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#include <osl/diagnose.h>
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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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//= OTreeNodeConverter
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//==========================================================================
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OTreeNodeConverter::OTreeNodeConverter()
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: m_rFactory( getDefaultTreeNodeFactory() )
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{
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}
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std::auto_ptr<ISubtree> OTreeNodeConverter::createCorrespondingNode(SubtreeChange const& _rChange)
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{
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std::auto_ptr<ISubtree> aRet;
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//if ( isLocalizedValueSet(aSubtree) ) { ... } else - no special case yet
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if (_rChange.isSetNodeChange())
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{
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aRet = nodeFactory().createSetNode(_rChange.getNodeName(),
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_rChange.getElementTemplateName(),
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_rChange.getElementTemplateModule(),
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_rChange.getAttributes());
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}
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else
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{
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aRet = nodeFactory().createGroupNode(_rChange.getNodeName(),
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_rChange.getAttributes());
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}
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return aRet;
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}
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//--------------------------------------------------------------------------
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std::auto_ptr<ValueNode> OTreeNodeConverter::createCorrespondingNode(ValueChange const& _rChange)
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{
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// DEFAULT-TODO
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OSL_ENSURE(_rChange.getValueType().getTypeClass() != uno::TypeClass_VOID, "Losing type information converting change to value");
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std::auto_ptr<ValueNode> aRet;
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if (_rChange.getNewValue().hasValue())
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aRet = nodeFactory().createValueNode(_rChange.getNodeName(), _rChange.getNewValue(), _rChange.getAttributes());
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else
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aRet = nodeFactory().createNullValueNode(_rChange.getNodeName(), _rChange.getValueType(), _rChange.getAttributes());
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OSL_ENSURE(aRet.get() && aRet->isValid(), "Could not create corresponding value node");
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return aRet;
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}
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//==========================================================================
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//= ONodeConverter
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//==========================================================================
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class ONodeConverter : public ChangeTreeModification
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{
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OTreeNodeConverter& m_rFactory;
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std::auto_ptr<INode> m_pNode;
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public:
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explicit
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ONodeConverter(OTreeNodeConverter& rFactory)
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: m_rFactory(rFactory)
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{
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}
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virtual void handle(ValueChange& aValueNode);
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virtual void handle(AddNode& aAddNode);
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virtual void handle(RemoveNode& aRemoveNode);
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virtual void handle(SubtreeChange& aSubtree);
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std::auto_ptr<INode> result() { return m_pNode; }
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};
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//==========================================================================
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//= OCreateSubtreeAction
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//==========================================================================
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//= creates a subtree out of a changes list
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//==========================================================================
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struct OCreateSubtreeAction : public ChangeTreeModification
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{
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ISubtree& m_rTree;
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OTreeNodeConverter& m_rNodeFactory;
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public:
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OCreateSubtreeAction(ISubtree& _rTree, OTreeNodeConverter& rFactory)
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:m_rTree(_rTree)
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,m_rNodeFactory(rFactory) {}
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void handle(ValueChange& aValueNode);
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void handle(AddNode& aAddNode);
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void handle(RemoveNode& aRemoveNode);
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void handle(SubtreeChange& aSubtree);
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};
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//--------------------------------------------------------------------------
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std::auto_ptr<INode> OTreeNodeConverter::createCorrespondingNode(Change& _rChange)
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{
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ONodeConverter aAction(*this);
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aAction.applyToChange(_rChange);
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return aAction.result();
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}
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//--------------------------------------------------------------------------
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std::auto_ptr<ISubtree> OTreeNodeConverter::createCorrespondingTree(SubtreeChange& _rChange)
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{
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std::auto_ptr<ISubtree> pBaseTree = this->createCorrespondingNode(_rChange);
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OCreateSubtreeAction aNextLevel(*pBaseTree,*this);
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_rChange.forEachChange(aNextLevel);
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return pBaseTree;
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}
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//--------------------------------------------------------------------------
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void ONodeConverter::handle(ValueChange& aValueNode)
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{
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m_pNode = base_ptr(m_rFactory.createCorrespondingNode(aValueNode));
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}
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//--------------------------------------------------------------------------
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void ONodeConverter::handle(AddNode& aAddNode)
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{
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m_pNode = aAddNode.getNewTree().cloneData(true);
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}
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//--------------------------------------------------------------------------
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void ONodeConverter::handle(RemoveNode& aRemoveNode)
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{
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m_pNode.reset();
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}
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//--------------------------------------------------------------------------
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void ONodeConverter::handle(SubtreeChange& aSubtree)
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{
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m_pNode = base_ptr(m_rFactory.createCorrespondingNode(aSubtree));
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}
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//--------------------------------------------------------------------------
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void OCreateSubtreeAction::handle(ValueChange& _rChange)
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{
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// create a node by a ValueChange
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std::auto_ptr<ValueNode> pNode = m_rNodeFactory.createCorrespondingNode(_rChange);
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m_rTree.addChild(base_ptr(pNode));
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}
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//--------------------------------------------------------------------------
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void OCreateSubtreeAction::handle(SubtreeChange& _rChange)
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{
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// create a node from a SubtreeChange (recursively)
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std::auto_ptr<ISubtree> pNode = m_rNodeFactory.createCorrespondingTree(_rChange);
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// add it to the tree
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m_rTree.addChild(base_ptr(pNode));
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}
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//--------------------------------------------------------------------------
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void OCreateSubtreeAction::handle(RemoveNode& _rChange)
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{
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// we have nothing to do
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OSL_ENSURE(!m_rTree.getChild(_rChange.getNodeName()), "Removed node found in tree being built");
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}
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//--------------------------------------------------------------------------
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void OCreateSubtreeAction::handle(AddNode& _rChange)
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{
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// free the node and add it to the subtree
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data::TreeSegment aNewNode = _rChange.getNewTree();
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m_rTree.addChild(aNewNode.cloneData(true));
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}
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//--------------------------------------------------------------------------
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//..........................................................................
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} // namespace configmgr
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//..........................................................................
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