72 lines
2.4 KiB
C++
72 lines
2.4 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: mergechange.hxx,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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#ifndef INCLUDED_CONFIGMGR_MERGECHANGE_HXX
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#define INCLUDED_CONFIGMGR_MERGECHANGE_HXX
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#include "namecreator.hxx"
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#include "change.hxx"
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#include "treechangelist.hxx"
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namespace configmgr
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{
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// method that applies changes on a existing subtree
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void combineUpdates (SubtreeChange const& _anUpdate, SubtreeChange& _aCombinedUpdate);
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// -----------------------------------------------------------------------------
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class OStripDefaults : private ChangeTreeModification
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{
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SubtreeChange& m_rParent;
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public:
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OStripDefaults(SubtreeChange& _rSubtree) : m_rParent(_rSubtree) {}
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bool isEmpty() const { return m_rParent.size() == 0; }
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OStripDefaults& strip();
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static bool strip(SubtreeChange& _rSubtree)
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{
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return OStripDefaults(_rSubtree).strip().isEmpty();
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}
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private:
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void stripOne(Change& _rChange);
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virtual void handle(ValueChange& _rValueNode);
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virtual void handle(AddNode& _rAddNode);
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virtual void handle(RemoveNode& _rRemoveNode);
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virtual void handle(SubtreeChange& _rSubtree);
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};
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// -----------------------------------------------------------------------------
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} // namespace configmgr
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#endif
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