Files
libreoffice/configmgr/source/tree/nodeconverter.cxx
2002-02-11 12:47:56 +00:00

255 lines
8.6 KiB
C++

/*************************************************************************
*
* $RCSfile: nodeconverter.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: jb $ $Date: 2002-02-11 13:47:55 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include <stdio.h>
#include "nodeconverter.hxx"
#ifndef CONFIGMGR_TREE_NODEFACTORY_HXX
#include "treenodefactory.hxx"
#endif
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
//..........................................................................
namespace configmgr
{
//==========================================================================
//= OTreeNodeConverter
//==========================================================================
OTreeNodeConverter::OTreeNodeConverter()
: m_rFactory( getDefaultTreeNodeFactory() )
{
}
std::auto_ptr<ISubtree> OTreeNodeConverter::createCorrespondingNode(SubtreeChange const& _rChange)
{
std::auto_ptr<ISubtree> aRet;
//if ( isLocalizedValueSet(aSubtree) ) { ... } else - no special case yet
if (_rChange.isSetNodeChange())
{
aRet = nodeFactory().createSetNode(_rChange.getNodeName(),
_rChange.getElementTemplateName(),
_rChange.getElementTemplateModule(),
_rChange.getAttributes());
}
else
{
aRet = nodeFactory().createGroupNode(_rChange.getNodeName(),
_rChange.getAttributes());
}
return aRet;
}
//--------------------------------------------------------------------------
std::auto_ptr<ValueNode> OTreeNodeConverter::createCorrespondingNode(ValueChange const& _rChange)
{
// DEFAULT-TODO
OSL_ENSURE(_rChange.getValueType().getTypeClass() != uno::TypeClass_VOID, "Losing type information converting change to value");
std::auto_ptr<ValueNode> aRet;
if (_rChange.getNewValue().hasValue())
aRet = nodeFactory().createValueNode(_rChange.getNodeName(), _rChange.getNewValue(), _rChange.getAttributes());
else
aRet = nodeFactory().createNullValueNode(_rChange.getNodeName(), _rChange.getValueType(), _rChange.getAttributes());
OSL_ENSURE(aRet.get() && aRet->isValid(), "Could not create corresponding value node");
return aRet;
}
//==========================================================================
//= ONodeConverter
//==========================================================================
class ONodeConverter : public ChangeTreeModification
{
OTreeNodeConverter& m_rFactory;
std::auto_ptr<INode> m_pNode;
public:
explicit
ONodeConverter(OTreeNodeConverter& rFactory)
: m_rFactory(rFactory)
{
}
virtual void handle(ValueChange& aValueNode);
virtual void handle(AddNode& aAddNode);
virtual void handle(RemoveNode& aRemoveNode);
virtual void handle(SubtreeChange& aSubtree);
std::auto_ptr<INode> result() { return m_pNode; }
};
//==========================================================================
//= OCreateSubtreeAction
//==========================================================================
//= creates a subtree out of a changes list
//==========================================================================
struct OCreateSubtreeAction : public ChangeTreeModification
{
ISubtree& m_rTree;
OTreeNodeConverter& m_rNodeFactory;
public:
OCreateSubtreeAction(ISubtree& _rTree, OTreeNodeConverter& rFactory)
:m_rTree(_rTree)
,m_rNodeFactory(rFactory) {}
void handle(ValueChange& aValueNode);
void handle(AddNode& aAddNode);
void handle(RemoveNode& aRemoveNode);
void handle(SubtreeChange& aSubtree);
};
//--------------------------------------------------------------------------
std::auto_ptr<INode> OTreeNodeConverter::createCorrespondingNode(Change& _rChange)
{
ONodeConverter aAction(*this);
aAction.applyToChange(_rChange);
return aAction.result();
}
//--------------------------------------------------------------------------
std::auto_ptr<ISubtree> OTreeNodeConverter::createCorrespondingTree(SubtreeChange& _rChange)
{
std::auto_ptr<ISubtree> pBaseTree = this->createCorrespondingNode(_rChange);
OCreateSubtreeAction aNextLevel(*pBaseTree,*this);
_rChange.forEachChange(aNextLevel);
return pBaseTree;
}
//--------------------------------------------------------------------------
void ONodeConverter::handle(ValueChange& aValueNode)
{
m_pNode = base_ptr(m_rFactory.createCorrespondingNode(aValueNode));
}
//--------------------------------------------------------------------------
void ONodeConverter::handle(AddNode& aAddNode)
{
m_pNode = aAddNode.getNewTree().cloneData(true);
}
//--------------------------------------------------------------------------
void ONodeConverter::handle(RemoveNode& aRemoveNode)
{
m_pNode.reset();
}
//--------------------------------------------------------------------------
void ONodeConverter::handle(SubtreeChange& aSubtree)
{
m_pNode = base_ptr(m_rFactory.createCorrespondingNode(aSubtree));
}
//--------------------------------------------------------------------------
void OCreateSubtreeAction::handle(ValueChange& _rChange)
{
// create a node by a ValueChange
std::auto_ptr<ValueNode> pNode = m_rNodeFactory.createCorrespondingNode(_rChange);
m_rTree.addChild(base_ptr(pNode));
}
//--------------------------------------------------------------------------
void OCreateSubtreeAction::handle(SubtreeChange& _rChange)
{
// create a node from a SubtreeChange (recursively)
std::auto_ptr<ISubtree> pNode = m_rNodeFactory.createCorrespondingTree(_rChange);
// add it to the tree
m_rTree.addChild(base_ptr(pNode));
}
//--------------------------------------------------------------------------
void OCreateSubtreeAction::handle(RemoveNode& _rChange)
{
// we have nothing to do
OSL_ENSURE(!m_rTree.getChild(_rChange.getNodeName()), "Removed node found in tree being built");
}
//--------------------------------------------------------------------------
void OCreateSubtreeAction::handle(AddNode& _rChange)
{
// free the node and add it to the subtree
data::TreeSegment aNewNode = _rChange.getNewTree();
m_rTree.addChild(aNewNode.cloneData(true));
}
//--------------------------------------------------------------------------
//..........................................................................
} // namespace configmgr
//..........................................................................