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Diffstat (limited to 'configmgr/source/treemgr/roottree.cxx')
| -rw-r--r-- | configmgr/source/treemgr/roottree.cxx | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/configmgr/source/treemgr/roottree.cxx b/configmgr/source/treemgr/roottree.cxx new file mode 100644 index 000000000000..c839bc0cdfae --- /dev/null +++ b/configmgr/source/treemgr/roottree.cxx @@ -0,0 +1,174 @@ +/************************************************************************* + * + * 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: roottree.cxx,v $ + * $Revision: 1.21 $ + * + * 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 "roottree.hxx" +#include "roottreeimpl.hxx" +#include "viewaccess.hxx" +#include "viewfactory.hxx" +#include "noderef.hxx" +#include "nodechangeinfo.hxx" +#include "treechangelist.hxx" + +namespace configmgr +{ + namespace configuration + { +//----------------------------------------------------------------------------- +// factory methods +//----------------------------------------------------------------------------- + +rtl::Reference< Tree > createReadOnlyTree( AbsolutePath const& aRootPath, + sharable::Node * cacheNode, + unsigned int nDepth, + TemplateProvider const& aTemplateProvider) +{ + return new RootTree(view::createReadOnlyStrategy(), + aRootPath, cacheNode, nDepth, + aTemplateProvider + ); +} +//----------------------------------------------------------------------------- + +rtl::Reference< Tree > createUpdatableTree( AbsolutePath const& aRootPath, + sharable::Node * cacheNode, + unsigned int nDepth, + TemplateProvider const& aTemplateProvider) +{ + return new RootTree(view::createDeferredChangeStrategy(), + aRootPath, cacheNode, nDepth, + aTemplateProvider + ); +} + +//----------------------------------------------------------------------------- +// update on notify method +//----------------------------------------------------------------------------- +bool adjustToChanges( NodeChangesInformation& rLocalChanges, + rtl::Reference< Tree > const& aBaseTree, NodeRef const& aBaseNode, + SubtreeChange const& aExternalChange) +{ + OSL_PRECOND( !isEmpty(aBaseTree.get()), "ERROR: Configuration: Tree operation requires a valid Tree"); + OSL_PRECOND( aBaseNode.isValid() && aBaseTree->isValidNode(aBaseNode.getOffset()), "ERROR: Configuration: NodeRef does not match Tree"); + + if (!isEmpty(aBaseTree.get())) + { + OSL_ENSURE(rLocalChanges.empty(), "Should pass empty container to adjustToChanges(...)"); + + view::ViewTreeAccess(aBaseTree.get()).adjustToChanges(rLocalChanges, aBaseNode, aExternalChange); + + return !rLocalChanges.empty(); + } + else + return false; +} +//----------------------------------------------------------------------------- + +//----------------------------------------------------------------------------- +// class CommitHelper +//----------------------------------------------------------------------------- +struct CommitHelper::Data +{ + std::vector< rtl::Reference<ElementTree> > m_aRemovedElements; // filled to keep the elements alive 'till after notification +}; + +//----------------------------------------------------------------------------- +CommitHelper::CommitHelper(rtl::Reference< Tree > const& aTree) +: m_pData( ) +, m_pTree( aTree.get() ) +{ + OSL_ENSURE(m_pTree, "INTERNAL ERROR: Unexpected NULL tree in commit helper"); +} +//----------------------------------------------------------------------------- +CommitHelper::~CommitHelper() +{ +} + +//----------------------------------------------------------------------------- +bool CommitHelper::prepareCommit(TreeChangeList& rChangeList) +{ + OSL_ENSURE(m_pTree,"ERROR: CommitHelper: Cannot commit without a tree"); + if (m_pTree == NULL) + return false; + + OSL_ENSURE(m_pData.get() == NULL,"ERROR: CommitHelper: Need to reset before reusing"); + m_pData.reset( new Data() ); + + // get and check the changes + std::auto_ptr<SubtreeChange> pTreeChange(view::ViewTreeAccess(m_pTree).preCommitChanges(m_pData->m_aRemovedElements)); + if (pTreeChange.get() == NULL) + return false; + + // find the name and path of the change + OSL_ENSURE(m_pTree->getSimpleRootName() == pTreeChange->getNodeName(), "ERROR in Commit: Change name mismatch"); + + // now fill the TreeChangeList + rChangeList.setRootPath( m_pTree->getRootPath() ); + rChangeList.root.swap( *pTreeChange ); + + return true; +} +//----------------------------------------------------------------------------- + +void CommitHelper::finishCommit(TreeChangeList& rChangeList) +{ + OSL_ENSURE(m_pTree,"INTERNAL ERROR: Nothing to finish without a tree"); + + // find the name and path of the change + AbsolutePath aPath = m_pTree->getRootPath(); + + OSL_ENSURE( rChangeList.getRootNodePath().toString() == aPath.toString(), "ERROR: FinishCommit cannot handle rebased changes trees"); + if ( !matches(rChangeList.getRootNodePath(), aPath) ) + throw configuration::Exception("INTERNAL ERROR: FinishCommit cannot handle rebased changes trees"); + + view::ViewTreeAccess(m_pTree).finishCommit(rChangeList.root); +} +//----------------------------------------------------------------------------- + +void CommitHelper::failedCommit(TreeChangeList& rChangeList) +{ + OSL_ENSURE(m_pTree,"INTERNAL ERROR: Nothing to finish without a tree"); + + AbsolutePath aPath = m_pTree->getRootPath(); + + OSL_ENSURE( rChangeList.getRootNodePath().toString() == aPath.toString(), "ERROR: FinishCommit cannot handle rebased changes trees"); + if ( !matches(rChangeList.getRootNodePath(), aPath) ) + throw configuration::Exception("INTERNAL ERROR: FinishCommit cannot handle rebased changes trees"); + + view::ViewTreeAccess(m_pTree).recoverFailedCommit(rChangeList.root); +} +//----------------------------------------------------------------------------- + + } +} + |