124 lines
5.2 KiB
C++
124 lines
5.2 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.hxx,v $
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* $Revision: 1.7 $
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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 CONFIGMGR_COLLECTCHANGES_HXX_
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#define CONFIGMGR_COLLECTCHANGES_HXX_
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// low.level (cache model) changes (needed for change tree action class)
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#include "change.hxx"
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// pathes for accessors
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#include "configpath.hxx"
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// need TreeDepth and c_TreeDepthAll
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#include "treeimpl.hxx"
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namespace configmgr
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{
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//-----------------------------------------------------------------------------
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namespace configuration
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{
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//-----------------------------------------------------------------------------
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class NodeChangeData;
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class NodeChangeLocation;
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class NodeChangeInformation;
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class NodeChangesInformation;
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//-----------------------------------------------------------------------------
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/// Change model translation: Create a NodeChangeData from a ValueChange object
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bool convertNodeChange(NodeChangeData& aData_, ValueChange const& aChange_);
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/// Change model translation: Create a NodeChangeData from an AddNode change object
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bool convertNodeChange(NodeChangeData& aData_, AddNode const& aChange_);
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/// Change model translation: Create a NodeChangeData from a RemoveNode change object
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bool convertNodeChange(NodeChangeData& aData_, RemoveNode const& aChange_);
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/** Change Tree Visitor that appends all changes in the changes tree
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to a NodeChanges list, optionally restricted to a given depth
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*/
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class CollectChanges : private ChangeTreeAction
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{
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NodeChangesInformation& m_rTargetList;
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RelativePath m_aAccessor;
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Name m_aContextTypeName;
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TreeImpl* m_pBaseTree;
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NodeOffset m_nBaseNode;
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TreeDepth m_nDepthLeft;
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public:
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/// Constructs a Visitor object, sets the output target list and context
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CollectChanges( NodeChangesInformation& rTargetList_,
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TreeImpl& rStartTree_, NodeOffset nStartNode_,
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TemplateHolder aElementTemplate_,
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TreeDepth nMaxDepth = c_TreeDepthAll);
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/// Adds a (translated) ValueChange to the target list
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void collectFrom(ValueChange const& aChange_);
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/// Adds a (translated) AddNode to the target list
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void collectFrom(AddNode const& aChange_);
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/// Adds a (translated) RemoveNode to the target list
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void collectFrom(RemoveNode const& aChange_);
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/// Appends (translated) Changes from the subtree to the target list, possibly with a depth limit
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void collectFrom(SubtreeChange const& aChange_);
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/// Appends the given Change and its descendants to the target list, possibly with a depth limit
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void collectFrom(Change const& aChange_)
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{
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this->applyToChange( aChange_ );
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}
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/// Appends the descendants of the given Change to the target list, possibly with a depth limit
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void collectFromChildren(SubtreeChange const& aParent_)
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{
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this->applyToChildren( aParent_ );
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}
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protected:
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/// Constructs a Visitor object for a child of another one's context
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CollectChanges( CollectChanges const& rBase, Path::Component const& rChildName, Name const& aSubTypeName );
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private:
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// ChangeTreeAction implementations
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virtual void handle(ValueChange const& aValueNode);
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virtual void handle(AddNode const& aAddNode);
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virtual void handle(RemoveNode const& aRemoveNode);
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virtual void handle(SubtreeChange const& aSubtree);
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bool implSetLocation(NodeChangeLocation& rLocation_, Change const& aOriginal_, bool bSet_) const;
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void implAdd(NodeChangeInformation const& aChangeInfo_);
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Path::Component implGetNodeName(Change const& _aChange_) const;
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};
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//-----------------------------------------------------------------------------
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}
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}
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#endif // CONFIGMGR_COLLECTCHANGES_HXX_
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