office-gobmx/configmgr/source/treemgr/deferredview.cxx
Rüdiger Timm d35539ea25 INTEGRATION: CWS changefileheader (1.5.16); FILE MERGED
2008/04/01 12:27:36 thb 1.5.16.2: #i85898# Stripping all external header guards
2008/03/31 12:22:55 rt 1.5.16.1: #i87441# Change license header to LPGL v3.
2008-04-11 12:45:23 +00:00

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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: deferredview.cxx,v $
* $Revision: 1.6 $
*
* 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_configmgr.hxx"
#include <stdio.h>
#include "deferredview.hxx"
#include "viewfactory.hxx"
#include "nodeimplobj.hxx"
namespace configmgr
{
namespace view
{
//-----------------------------------------------------------------------------
using configuration::DeferredGroupNodeImpl;
using configuration::DeferredSetNodeImpl;
//-----------------------------------------------------------------------------
static inline DeferredGroupNodeImpl* deferredGroupNode(Node const& _aNode)
{
return static_cast<DeferredGroupNodeImpl*>(_aNode.get_impl());
}
//-----------------------------------------------------------------------------
static inline DeferredGroupNodeImpl* deferredGroupNode(GroupNode const& _aNode)
{
return static_cast<DeferredGroupNodeImpl*>(_aNode.get_impl());
}
//-----------------------------------------------------------------------------
static inline DeferredSetNodeImpl* deferredSetNode(Node const& _aNode)
{
return static_cast<DeferredSetNodeImpl*>(_aNode.get_impl());
}
//-----------------------------------------------------------------------------
static inline DeferredSetNodeImpl* deferredSetNode(SetNode const& _aNode)
{
return static_cast<DeferredSetNodeImpl*>(_aNode.get_impl());
}
//-----------------------------------------------------------------------------
static inline void deferredValueNode(Node const& _aNode)
{
{ (void)_aNode; }
OSL_ENSURE( _aNode.isValueNode(),"Unknown Node type in deferred view");
OSL_ENSURE(_aNode.get_offset() == _aNode.tree().get_impl()->root_(), "TreeImpl: Unexpected node type - non-root value element");
}
//-----------------------------------------------------------------------------
static void deferredValueNodeChanged(Node const& _aNode)
{
{ (void)_aNode; }
OSL_ENSURE( _aNode.isValueNode(),"Unknown Node type in deferred view");
OSL_ENSURE(_aNode.get_offset() == _aNode.tree().get_impl()->root_(), "TreeImpl: Unexpected node type - non-root value element");
OSL_ENSURE(!_aNode.isValueNode(),"Value node changes not supported in deferred view");
throw configuration::Exception("Internal Error: Invalid operation applied to element");
}
//-----------------------------------------------------------------------------
bool DeferredViewStrategy::doHasChanges(Node const& _aNode) const
{
if (_aNode.isGroupNode())
return deferredGroupNode(_aNode)->hasChanges();
else if (_aNode.isSetNode())
return deferredSetNode(_aNode)->hasChanges();
else
deferredValueNode(_aNode);
return false;
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::doMarkChanged(Node const& _aNode)
{
if (_aNode.isGroupNode())
deferredGroupNode(_aNode)->markChanged();
else if (_aNode.isSetNode())
deferredSetNode(_aNode)->markChanged();
else
deferredValueNodeChanged(_aNode);
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::doCollectChanges(Node const& _aNode, configuration::NodeChanges& _rChanges) const
{
implCollectChangesIn(_aNode,_rChanges);
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::implCollectChangesIn(Node const& _aNode, configuration::NodeChanges& _rChanges) const
{
if ( hasChanges(_aNode) )
{
if (_aNode.isSetNode())
{
deferredSetNode(_aNode)->collectElementChanges( _rChanges);
}
else if (_aNode.isGroupNode())
{
GroupNode aGroup(_aNode);
deferredGroupNode(aGroup)->collectValueChanges( _rChanges, _aNode.tree().get_impl(), _aNode.get_offset());
for( Node aChild = aGroup.getFirstChild();
aChild.is();
aChild = aGroup.getNextChild(aChild)
)
{
this->implCollectChangesIn( aChild, _rChanges );
}
}
else
OSL_ASSERT(!"Unreachable code");
}
}
//-----------------------------------------------------------------------------
std::auto_ptr<SubtreeChange> DeferredViewStrategy::doPreCommitChanges(Tree const& _aTree, configuration::ElementList& _rRemovedElements)
{
std::auto_ptr<SubtreeChange> pRet;
if (hasChanges(_aTree))
{
pRet = implPreCommitChanges(getRootNode(_aTree),_rRemovedElements);
if (pRet.get() != NULL)
{
pRet->setNodeName(getSimpleRootName(_aTree).toString());
}
}
return pRet;
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::doFailedCommit(Tree const& _aTree, SubtreeChange& rChanges)
{
implFailedCommit(getRootNode(_aTree),rChanges);
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::doFinishCommit(Tree const& _aTree, SubtreeChange& rChanges)
{
implFinishCommit(getRootNode(_aTree),rChanges);
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::doRevertCommit(Tree const& _aTree, SubtreeChange& rChanges)
{
implRevertCommit(getRootNode(_aTree),rChanges);
}
//-----------------------------------------------------------------------------
configuration::ValueChangeImpl* DeferredViewStrategy::doAdjustToValueChange(GroupNode const& _aGroupNode, Name const& _aName, ValueChange const& rExternalChange)
{
using configuration::ValueChangeImpl;
DeferredGroupNodeImpl::MemberChange aChange = deferredGroupNode(_aGroupNode)->findValueChange(_aName);
if (aChange.is())
{
if (ValueChangeImpl* pValueChange = aChange->adjustToChange(rExternalChange))
{
OSL_ENSURE(aChange->isChange(), "Got an adjusted change from a non-changing value");
return pValueChange;
}
else // a non-change
{
OSL_ENSURE(!aChange->isChange(), "Got no adjusted change from a changing value") ;
OSL_ENSURE(false, "Got a non-change from a (deferred) group") ;
// then do as without deferred change
}
}
return ViewStrategy::doAdjustToValueChange(_aGroupNode, _aName, rExternalChange);
}
//-----------------------------------------------------------------------------
node::Attributes DeferredViewStrategy::doAdjustAttributes(node::Attributes const& _aAttributes) const
{
return _aAttributes;
}
//-----------------------------------------------------------------------------
configuration::ValueMemberNode DeferredViewStrategy::doGetValueMember(GroupNode const& _aNode, Name const& _aName, bool _bForUpdate) const
{
return deferredGroupNode(_aNode)->makeValueMember(_aName,_bForUpdate);
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::doInsertElement(SetNode const& _aNode, Name const& aName, configuration::SetEntry const& _aNewEntry)
{
// move to this memory segment
// should be direct (as any free-floating one)
//implMakeElement(aNewEntry)
SetNodeElement aNewElement = implMakeElement(_aNode, _aNewEntry );
deferredSetNode(_aNode)->insertNewElement(aName, aNewElement);
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::doRemoveElement(SetNode const& _aNode, Name const& aName)
{
deferredSetNode(_aNode)->removeOldElement(aName);
}
//-----------------------------------------------------------------------------
extern NodeFactory& getDeferredChangeFactory();
NodeFactory& DeferredViewStrategy::doGetNodeFactory()
{
return getDeferredChangeFactory();
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
ViewStrategyRef createDeferredChangeStrategy()
{
return new DeferredViewStrategy();
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
std::auto_ptr<SubtreeChange> DeferredViewStrategy::implPreCommitChanges(Node const& _aNode, configuration::ElementList& _rRemovedElements)
{
std::auto_ptr<SubtreeChange> aRet;
OSL_ASSERT (this->hasChanges( _aNode) );
if (_aNode.isSetNode())
{
aRet = deferredSetNode(_aNode)->preCommitChanges(_rRemovedElements);
}
else if (_aNode.isGroupNode())
{
std::auto_ptr<SubtreeChange> aGroupChange(deferredGroupNode(_aNode)->preCommitValueChanges());
OSL_ASSERT(aGroupChange.get());
if (aGroupChange.get())
implPreCommitSubChanges( GroupNode(_aNode), _rRemovedElements, *aGroupChange);
aRet = aGroupChange;
}
else
deferredValueNode(_aNode);
return aRet;
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::implFinishCommit(Node const& _aNode, SubtreeChange& rSubtreeChange)
{
OSL_PRECOND( getSimpleNodeName(_aNode).toString() == rSubtreeChange.getNodeName(), "ERROR: Change name does not match node");
if (_aNode.isSetNode())
{
OSL_ENSURE(rSubtreeChange.isSetNodeChange(),"ERROR: Change type GROUP does not match set");
deferredSetNode(_aNode)->finishCommit(rSubtreeChange);
}
else if (_aNode.isGroupNode())
{
OSL_ENSURE(!rSubtreeChange.isSetNodeChange(),"ERROR: Change type SET does not match group");
deferredGroupNode(_aNode)->finishCommit(rSubtreeChange);
implFinishSubCommitted( GroupNode(_aNode), rSubtreeChange );
}
else
{
deferredValueNode(_aNode);
OSL_ENSURE(false, "TreeImpl: Cannot finish commit: Unexpected node type");
}
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::implRevertCommit(Node const& _aNode, SubtreeChange& rSubtreeChange)
{
OSL_PRECOND( getSimpleNodeName(_aNode).toString() == rSubtreeChange.getNodeName(), "ERROR: Change name does not match node");
if (_aNode.isSetNode())
{
OSL_ENSURE(rSubtreeChange.isSetNodeChange(),"ERROR: Change type GROUP does not match set");
deferredSetNode(_aNode)->revertCommit(rSubtreeChange);
}
else if (_aNode.isGroupNode())
{
OSL_ENSURE(!rSubtreeChange.isSetNodeChange(),"ERROR: Change type SET does not match group");
deferredGroupNode(_aNode)->revertCommit(rSubtreeChange);
implRevertSubCommitted( GroupNode(_aNode), rSubtreeChange );
}
else
{
deferredValueNode(_aNode);
OSL_ENSURE(false, "TreeImpl: Cannot revert commit: Unexpected node type");
}
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::implFailedCommit(Node const& _aNode, SubtreeChange& rSubtreeChange)
{
OSL_PRECOND( getSimpleNodeName(_aNode).toString() == rSubtreeChange.getNodeName(), "ERROR: Change name does not match node");
if (_aNode.isSetNode())
{
OSL_ENSURE(rSubtreeChange.isSetNodeChange(),"ERROR: Change type GROUP does not match set");
deferredSetNode(_aNode)->failedCommit(rSubtreeChange);
}
else if (_aNode.isGroupNode())
{
OSL_ENSURE(!rSubtreeChange.isSetNodeChange(),"ERROR: Change type SET does not match group");
deferredGroupNode(_aNode)->failedCommit(rSubtreeChange);
implFailedSubCommitted( GroupNode(_aNode), rSubtreeChange );
}
else
{
deferredValueNode(_aNode);
OSL_ENSURE(false, "TreeImpl: Cannot handle commit failure: Unexpected node type");
}
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::implPreCommitSubChanges(GroupNode const & _aGroup, configuration::ElementList& _rRemovedElements, SubtreeChange& _rParentChange)
{
for( Node aChild = _aGroup.getFirstChild(); aChild.is(); aChild = _aGroup.getNextChild(aChild) )
{
if (this->hasChanges(aChild))
{
std::auto_ptr<SubtreeChange> aSubChanges( this->implPreCommitChanges(aChild,_rRemovedElements) );
std::auto_ptr<Change> aSubChangesBase( aSubChanges.release() );
_rParentChange.addChange( aSubChangesBase );
}
}
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::implFinishSubCommitted(GroupNode const & _aGroup, SubtreeChange& aChangesParent)
{
for(SubtreeChange::MutatingChildIterator
it = aChangesParent.begin_changes(),
stop = aChangesParent.end_changes();
it != stop;
++it)
{
if ( it->ISA(SubtreeChange) )
{
Node aChild = _aGroup.findChild( configuration::makeNodeName(it->getNodeName(), Name::NoValidate()) );
OSL_ENSURE( aChild.is(), "Changed sub-node not found in tree");
this->implFinishCommit(aChild, static_cast<SubtreeChange&>(*it));
}
else
{
OSL_ENSURE(it->ISA(ValueChange), "Unexpected change type for <20>nner node; change is ignored");
OSL_ENSURE(! _aGroup.findChild( configuration::makeNodeName(it->getNodeName(), Name::NoValidate())).is() ,
"Found sub(tree) node where a value was changed");
}
}
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::implRevertSubCommitted(GroupNode const & _aGroup, SubtreeChange& aChangesParent)
{
for(SubtreeChange::MutatingChildIterator
it = aChangesParent.begin_changes(),
stop = aChangesParent.end_changes();
it != stop;
++it)
{
if ( it->ISA(SubtreeChange) )
{
Node aChild = _aGroup.findChild( configuration::makeNodeName(it->getNodeName(), Name::NoValidate()) );
OSL_ENSURE( aChild.is(), "Changed sub-node not found in tree");
this->implRevertCommit(aChild, static_cast<SubtreeChange&>(*it));
}
else
{
OSL_ENSURE(it->ISA(ValueChange), "Unexpected change type for <20>nner node; change is ignored");
OSL_ENSURE(! _aGroup.findChild( configuration::makeNodeName(it->getNodeName(), Name::NoValidate())).is() ,
"Found sub(tree) node where a value was changed");
}
}
}
//-----------------------------------------------------------------------------
void DeferredViewStrategy::implFailedSubCommitted(GroupNode const & _aGroup, SubtreeChange& aChangesParent)
{
for(SubtreeChange::MutatingChildIterator
it = aChangesParent.begin_changes(),
stop = aChangesParent.end_changes();
it != stop;
++it)
{
if ( it->ISA(SubtreeChange) )
{
Node aChild = _aGroup.findChild( configuration::makeNodeName(it->getNodeName(), Name::NoValidate()) );
OSL_ENSURE( aChild.is(), "Changed sub-node not found in tree");
this->implFailedCommit(aChild, static_cast<SubtreeChange&>(*it));
}
else
{
OSL_ENSURE(it->ISA(ValueChange), "Unexpected change type for <20>nner node; change is ignored");
OSL_ENSURE(! _aGroup.findChild( configuration::makeNodeName(it->getNodeName(), Name::NoValidate())).is() ,
"Found sub(tree) node where a value was changed");
}
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
}
}