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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: mergechange.hxx,v $
* $Revision: 1.11 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef INCLUDED_CONFIGMGR_MERGECHANGE_HXX
#define INCLUDED_CONFIGMGR_MERGECHANGE_HXX
#include "namecreator.hxx"
#include "change.hxx"
#include "treechangelist.hxx"
namespace configmgr
{
// method that applies changes on a existing subtree
void combineUpdates (SubtreeChange const& _anUpdate, SubtreeChange& _aCombinedUpdate);
// -----------------------------------------------------------------------------
class OStripDefaults : private ChangeTreeModification
{
SubtreeChange& m_rParent;
public:
OStripDefaults(SubtreeChange& _rSubtree) : m_rParent(_rSubtree) {}
bool isEmpty() const { return m_rParent.size() == 0; }
OStripDefaults& strip();
static bool strip(SubtreeChange& _rSubtree)
{
return OStripDefaults(_rSubtree).strip().isEmpty();
}
private:
void stripOne(Change& _rChange);
virtual void handle(ValueChange& _rValueNode);
virtual void handle(AddNode& _rAddNode);
virtual void handle(RemoveNode& _rRemoveNode);
virtual void handle(SubtreeChange& _rSubtree);
};
// -----------------------------------------------------------------------------
} // namespace configmgr
#endif
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