49192335f8
Change-Id: Ieda6fe806da2cfd17a7891cefa7f55666ee6b728 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167730 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
561 lines
20 KiB
C++
561 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <unotools/confignode.hxx>
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#include <unotools/configpaths.hxx>
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#include <comphelper/diagnose_ex.hxx>
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#include <osl/diagnose.h>
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#include <sal/log.hxx>
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#include <com/sun/star/configuration/theDefaultProvider.hpp>
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#include <com/sun/star/lang/XSingleServiceFactory.hpp>
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#include <com/sun/star/lang/XComponent.hpp>
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#include <com/sun/star/util/XChangesBatch.hpp>
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#include <com/sun/star/util/XStringEscape.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/container/XNamed.hpp>
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#include <com/sun/star/container/XNameContainer.hpp>
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#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
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#include <comphelper/namedvaluecollection.hxx>
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namespace utl
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{
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::util;
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using namespace ::com::sun::star::container;
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using namespace ::com::sun::star::configuration;
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//= OConfigurationNode
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OConfigurationNode::OConfigurationNode(const Reference< XInterface >& _rxNode )
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:m_bEscapeNames(false)
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{
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OSL_ENSURE(_rxNode.is(), "OConfigurationNode::OConfigurationNode: invalid node interface!");
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if (_rxNode.is())
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{
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// collect all interfaces necessary
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m_xHierarchyAccess.set(_rxNode, UNO_QUERY);
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m_xDirectAccess.set(_rxNode, UNO_QUERY);
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// reset _all_ interfaces if _one_ of them is not supported
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if (!m_xHierarchyAccess.is() || !m_xDirectAccess.is())
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{
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m_xHierarchyAccess = nullptr;
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m_xDirectAccess = nullptr;
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}
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// now for the non-critical interfaces
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m_xReplaceAccess.set(_rxNode, UNO_QUERY);
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m_xContainerAccess.set(_rxNode, UNO_QUERY);
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}
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Reference< XComponent > xConfigNodeComp(m_xDirectAccess, UNO_QUERY);
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if (xConfigNodeComp.is())
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startComponentListening(xConfigNodeComp);
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if (isValid())
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m_bEscapeNames = isSetNode() && Reference< XStringEscape >::query(m_xDirectAccess).is();
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}
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OConfigurationNode::OConfigurationNode(const OConfigurationNode& _rSource)
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: OEventListenerAdapter()
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, m_xHierarchyAccess(_rSource.m_xHierarchyAccess)
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, m_xDirectAccess(_rSource.m_xDirectAccess)
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, m_xReplaceAccess(_rSource.m_xReplaceAccess)
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, m_xContainerAccess(_rSource.m_xContainerAccess)
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, m_bEscapeNames(_rSource.m_bEscapeNames)
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{
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Reference< XComponent > xConfigNodeComp(m_xDirectAccess, UNO_QUERY);
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if (xConfigNodeComp.is())
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startComponentListening(xConfigNodeComp);
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}
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OConfigurationNode::OConfigurationNode(OConfigurationNode&& _rSource)
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: OEventListenerAdapter()
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, m_xHierarchyAccess(std::move(_rSource.m_xHierarchyAccess))
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, m_xDirectAccess(std::move(_rSource.m_xDirectAccess))
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, m_xReplaceAccess(std::move(_rSource.m_xReplaceAccess))
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, m_xContainerAccess(std::move(_rSource.m_xContainerAccess))
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, m_bEscapeNames(std::move(_rSource.m_bEscapeNames))
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{
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Reference< XComponent > xConfigNodeComp(m_xDirectAccess, UNO_QUERY);
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if (xConfigNodeComp.is())
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startComponentListening(xConfigNodeComp);
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}
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OConfigurationNode& OConfigurationNode::operator=(const OConfigurationNode& _rSource)
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{
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stopAllComponentListening();
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m_xHierarchyAccess = _rSource.m_xHierarchyAccess;
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m_xDirectAccess = _rSource.m_xDirectAccess;
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m_xContainerAccess = _rSource.m_xContainerAccess;
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m_xReplaceAccess = _rSource.m_xReplaceAccess;
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m_bEscapeNames = _rSource.m_bEscapeNames;
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Reference< XComponent > xConfigNodeComp(m_xDirectAccess, UNO_QUERY);
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if (xConfigNodeComp.is())
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startComponentListening(xConfigNodeComp);
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return *this;
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}
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OConfigurationNode& OConfigurationNode::operator=(OConfigurationNode&& _rSource)
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{
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stopAllComponentListening();
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m_xHierarchyAccess = std::move(_rSource.m_xHierarchyAccess);
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m_xDirectAccess = std::move(_rSource.m_xDirectAccess);
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m_xContainerAccess = std::move(_rSource.m_xContainerAccess);
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m_xReplaceAccess = std::move(_rSource.m_xReplaceAccess);
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m_bEscapeNames = std::move(_rSource.m_bEscapeNames);
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Reference< XComponent > xConfigNodeComp(m_xDirectAccess, UNO_QUERY);
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if (xConfigNodeComp.is())
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startComponentListening(xConfigNodeComp);
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return *this;
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}
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void OConfigurationNode::_disposing( const EventObject& _rSource )
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{
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Reference< XComponent > xDisposingSource(_rSource.Source, UNO_QUERY);
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Reference< XComponent > xConfigNodeComp(m_xDirectAccess, UNO_QUERY);
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if (xDisposingSource.get() == xConfigNodeComp.get())
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clear();
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}
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OUString OConfigurationNode::getLocalName() const
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{
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OUString sLocalName;
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try
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{
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Reference< XNamed > xNamed( m_xDirectAccess, UNO_QUERY_THROW );
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sLocalName = xNamed->getName();
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION("unotools");
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}
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return sLocalName;
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}
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OUString OConfigurationNode::normalizeName(const OUString& _rName, NAMEORIGIN _eOrigin) const
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{
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OUString sName(_rName);
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if (m_bEscapeNames)
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{
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Reference< XStringEscape > xEscaper(m_xDirectAccess, UNO_QUERY);
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if (xEscaper.is() && !sName.isEmpty())
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{
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try
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{
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if (NO_CALLER == _eOrigin)
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sName = xEscaper->escapeString(sName);
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else
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sName = xEscaper->unescapeString(sName);
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}
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catch(Exception&)
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{
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DBG_UNHANDLED_EXCEPTION("unotools");
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}
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}
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}
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return sName;
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}
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Sequence< OUString > OConfigurationNode::getNodeNames() const noexcept
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{
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OSL_ENSURE(m_xDirectAccess.is(), "OConfigurationNode::getNodeNames: object is invalid!");
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Sequence< OUString > aReturn;
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if (m_xDirectAccess.is())
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{
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try
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{
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aReturn = m_xDirectAccess->getElementNames();
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// normalize the names
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std::transform(std::cbegin(aReturn), std::cend(aReturn), aReturn.getArray(),
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[this](const OUString& rName) -> OUString { return normalizeName(rName, NO_CONFIGURATION); });
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}
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catch(Exception&)
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{
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TOOLS_WARN_EXCEPTION( "unotools", "OConfigurationNode::getNodeNames");
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}
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}
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return aReturn;
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}
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bool OConfigurationNode::removeNode(const OUString& _rName) const noexcept
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{
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OSL_ENSURE(m_xContainerAccess.is(), "OConfigurationNode::removeNode: object is invalid!");
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if (m_xContainerAccess.is())
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{
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try
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{
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OUString sName = normalizeName(_rName, NO_CALLER);
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m_xContainerAccess->removeByName(sName);
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return true;
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}
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catch (NoSuchElementException&)
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{
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SAL_WARN( "unotools", "OConfigurationNode::removeNode: there is no element named: " << _rName );
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}
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catch(Exception&)
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{
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TOOLS_WARN_EXCEPTION( "unotools", "OConfigurationNode::removeNode");
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}
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}
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return false;
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}
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OConfigurationNode OConfigurationNode::insertNode(const OUString& _rName,const Reference< XInterface >& _xNode) const noexcept
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{
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if(_xNode.is())
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{
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try
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{
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OUString sName = normalizeName(_rName, NO_CALLER);
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m_xContainerAccess->insertByName(sName, Any(_xNode));
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// if we're here, all was ok ...
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return OConfigurationNode( _xNode );
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}
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catch(const Exception&)
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{
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DBG_UNHANDLED_EXCEPTION("unotools");
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}
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// dispose the child if it has already been created, but could not be inserted
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Reference< XComponent > xChildComp(_xNode, UNO_QUERY);
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if (xChildComp.is())
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try { xChildComp->dispose(); } catch(Exception&) { }
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}
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return OConfigurationNode();
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}
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OConfigurationNode OConfigurationNode::createNode(const OUString& _rName) const noexcept
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{
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Reference< XSingleServiceFactory > xChildFactory(m_xContainerAccess, UNO_QUERY);
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OSL_ENSURE(xChildFactory.is(), "OConfigurationNode::createNode: object is invalid or read-only!");
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if (xChildFactory.is()) // implies m_xContainerAccess.is()
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{
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Reference< XInterface > xNewChild;
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try
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{
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xNewChild = xChildFactory->createInstance();
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}
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catch(const Exception&)
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{
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DBG_UNHANDLED_EXCEPTION("unotools");
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}
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return insertNode(_rName,xNewChild);
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}
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return OConfigurationNode();
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}
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OConfigurationNode OConfigurationNode::openNode(const OUString& _rPath) const noexcept
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{
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OSL_ENSURE(m_xDirectAccess.is(), "OConfigurationNode::openNode: object is invalid!");
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OSL_ENSURE(m_xHierarchyAccess.is(), "OConfigurationNode::openNode: object is invalid!");
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try
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{
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OUString sNormalized = normalizeName(_rPath, NO_CALLER);
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Reference< XInterface > xNode;
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if (m_xDirectAccess.is() && m_xDirectAccess->hasByName(sNormalized))
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{
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xNode.set(
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m_xDirectAccess->getByName(sNormalized), css::uno::UNO_QUERY);
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if (!xNode.is())
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OSL_FAIL("OConfigurationNode::openNode: could not open the node!");
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}
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else if (m_xHierarchyAccess.is())
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{
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xNode.set(
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m_xHierarchyAccess->getByHierarchicalName(_rPath),
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css::uno::UNO_QUERY);
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if (!xNode.is())
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OSL_FAIL("OConfigurationNode::openNode: could not open the node!");
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}
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if (xNode.is())
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return OConfigurationNode( xNode );
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}
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catch(const NoSuchElementException&)
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{
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SAL_WARN( "unotools", "OConfigurationNode::openNode: there is no element named " << _rPath );
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}
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catch(Exception&)
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{
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TOOLS_WARN_EXCEPTION( "unotools", "OConfigurationNode::openNode: caught an exception while retrieving the node!");
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}
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return OConfigurationNode();
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}
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bool OConfigurationNode::isSetNode() const
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{
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bool bIsSet = false;
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Reference< XServiceInfo > xSI(m_xHierarchyAccess, UNO_QUERY);
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if (xSI.is())
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{
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try { bIsSet = xSI->supportsService(u"com.sun.star.configuration.SetAccess"_ustr); }
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catch(Exception&) { }
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}
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return bIsSet;
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}
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bool OConfigurationNode::hasByHierarchicalName( const OUString& _rName ) const noexcept
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{
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OSL_ENSURE( m_xHierarchyAccess.is(), "OConfigurationNode::hasByHierarchicalName: no hierarchy access!" );
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try
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{
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if ( m_xHierarchyAccess.is() )
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{
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OUString sName = normalizeName( _rName, NO_CALLER );
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return m_xHierarchyAccess->hasByHierarchicalName( sName );
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}
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}
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catch(Exception&)
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{
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}
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return false;
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}
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bool OConfigurationNode::hasByName(const OUString& _rName) const noexcept
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{
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OSL_ENSURE(m_xDirectAccess.is(), "OConfigurationNode::hasByName: object is invalid!");
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try
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{
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OUString sName = normalizeName(_rName, NO_CALLER);
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if (m_xDirectAccess.is())
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return m_xDirectAccess->hasByName(sName);
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}
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catch(Exception&)
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{
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}
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return false;
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}
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bool OConfigurationNode::setNodeValue(const OUString& _rPath, const Any& _rValue) const noexcept
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{
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bool bResult = false;
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OSL_ENSURE(m_xReplaceAccess.is(), "OConfigurationNode::setNodeValue: object is invalid!");
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if (m_xReplaceAccess.is())
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{
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try
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{
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// check if _rPath is a level-1 path
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OUString sNormalizedName = normalizeName(_rPath, NO_CALLER);
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if (m_xReplaceAccess->hasByName(sNormalizedName))
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{
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m_xReplaceAccess->replaceByName(sNormalizedName, _rValue);
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bResult = true;
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}
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// check if the name refers to an indirect descendant
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else if (m_xHierarchyAccess.is() && m_xHierarchyAccess->hasByHierarchicalName(_rPath))
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{
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OSL_ASSERT(!_rPath.isEmpty());
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OUString sParentPath, sLocalName;
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if ( splitLastFromConfigurationPath(_rPath, sParentPath, sLocalName) )
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{
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OConfigurationNode aParentAccess = openNode(sParentPath);
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if (aParentAccess.isValid())
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bResult = aParentAccess.setNodeValue(sLocalName, _rValue);
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}
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else
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{
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m_xReplaceAccess->replaceByName(sLocalName, _rValue);
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bResult = true;
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}
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}
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}
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catch(Exception&)
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{
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TOOLS_WARN_EXCEPTION( "unotools", "OConfigurationNode::setNodeValue: could not replace the value");
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}
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}
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return bResult;
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}
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Any OConfigurationNode::getNodeValue(const OUString& _rPath) const noexcept
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{
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OSL_ENSURE(m_xDirectAccess.is(), "OConfigurationNode::hasByName: object is invalid!");
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OSL_ENSURE(m_xHierarchyAccess.is(), "OConfigurationNode::hasByName: object is invalid!");
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Any aReturn;
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try
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{
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OUString sNormalizedPath = normalizeName(_rPath, NO_CALLER);
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if (m_xDirectAccess.is() && m_xDirectAccess->hasByName(sNormalizedPath) )
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{
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aReturn = m_xDirectAccess->getByName(sNormalizedPath);
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}
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else if (m_xHierarchyAccess.is())
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{
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aReturn = m_xHierarchyAccess->getByHierarchicalName(_rPath);
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}
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}
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catch(const NoSuchElementException&)
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{
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DBG_UNHANDLED_EXCEPTION("unotools");
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}
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return aReturn;
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}
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void OConfigurationNode::clear() noexcept
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{
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m_xHierarchyAccess.clear();
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m_xDirectAccess.clear();
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m_xReplaceAccess.clear();
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m_xContainerAccess.clear();
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}
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//= helper
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namespace
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{
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Reference< XMultiServiceFactory > lcl_getConfigProvider( const Reference<XComponentContext> & i_rContext )
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{
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try
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{
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Reference< XMultiServiceFactory > xProvider = theDefaultProvider::get( i_rContext );
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return xProvider;
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}
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catch ( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION("unotools");
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}
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return nullptr;
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}
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Reference< XInterface > lcl_createConfigurationRoot( const Reference< XMultiServiceFactory >& i_rxConfigProvider,
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const OUString& i_rNodePath, const bool i_bUpdatable, const sal_Int32 i_nDepth )
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{
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ENSURE_OR_RETURN( i_rxConfigProvider.is(), "invalid provider", nullptr );
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try
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{
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::comphelper::NamedValueCollection aArgs;
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aArgs.put( u"nodepath"_ustr, i_rNodePath );
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aArgs.put( u"depth"_ustr, i_nDepth );
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OUString sAccessService( i_bUpdatable ?
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u"com.sun.star.configuration.ConfigurationUpdateAccess"_ustr :
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u"com.sun.star.configuration.ConfigurationAccess"_ustr);
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Reference< XInterface > xRoot(
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i_rxConfigProvider->createInstanceWithArguments( sAccessService, aArgs.getWrappedPropertyValues() ),
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UNO_SET_THROW
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);
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return xRoot;
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}
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catch ( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION("unotools");
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}
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return nullptr;
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}
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}
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OConfigurationTreeRoot::OConfigurationTreeRoot( const Reference< XInterface >& _rxRootNode )
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:OConfigurationNode( _rxRootNode )
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,m_xCommitter( _rxRootNode, UNO_QUERY )
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{
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}
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OConfigurationTreeRoot::OConfigurationTreeRoot( const Reference<XComponentContext> & i_rContext, const OUString& i_rNodePath, const bool i_bUpdatable )
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:OConfigurationNode( lcl_createConfigurationRoot( lcl_getConfigProvider( i_rContext ),
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i_rNodePath, i_bUpdatable, -1 ) )
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,m_xCommitter()
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{
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if ( i_bUpdatable )
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{
|
|
m_xCommitter.set( getUNONode(), UNO_QUERY );
|
|
OSL_ENSURE( m_xCommitter.is(), "OConfigurationTreeRoot::OConfigurationTreeRoot: could not create an updatable node!" );
|
|
}
|
|
}
|
|
|
|
void OConfigurationTreeRoot::clear() noexcept
|
|
{
|
|
OConfigurationNode::clear();
|
|
m_xCommitter.clear();
|
|
}
|
|
|
|
bool OConfigurationTreeRoot::commit() const noexcept
|
|
{
|
|
OSL_ENSURE(isValid(), "OConfigurationTreeRoot::commit: object is invalid!");
|
|
if (!isValid())
|
|
return false;
|
|
OSL_ENSURE(m_xCommitter.is(), "OConfigurationTreeRoot::commit: I'm a readonly node!");
|
|
if (!m_xCommitter.is())
|
|
return false;
|
|
|
|
try
|
|
{
|
|
m_xCommitter->commitChanges();
|
|
return true;
|
|
}
|
|
catch(const Exception&)
|
|
{
|
|
DBG_UNHANDLED_EXCEPTION("unotools");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
OConfigurationTreeRoot OConfigurationTreeRoot::createWithProvider(const Reference< XMultiServiceFactory >& _rxConfProvider, const OUString& _rPath, sal_Int32 _nDepth, CREATION_MODE _eMode)
|
|
{
|
|
Reference< XInterface > xRoot( lcl_createConfigurationRoot(
|
|
_rxConfProvider, _rPath, _eMode != CM_READONLY, _nDepth ) );
|
|
if ( xRoot.is() )
|
|
return OConfigurationTreeRoot( xRoot );
|
|
return OConfigurationTreeRoot();
|
|
}
|
|
|
|
OConfigurationTreeRoot OConfigurationTreeRoot::createWithComponentContext( const Reference< XComponentContext >& _rxContext, const OUString& _rPath, sal_Int32 _nDepth, CREATION_MODE _eMode )
|
|
{
|
|
return createWithProvider( lcl_getConfigProvider( _rxContext ), _rPath, _nDepth, _eMode );
|
|
}
|
|
|
|
OConfigurationTreeRoot OConfigurationTreeRoot::tryCreateWithComponentContext( const Reference< XComponentContext >& rxContext,
|
|
const OUString& _rPath, sal_Int32 _nDepth , CREATION_MODE _eMode )
|
|
{
|
|
OSL_ENSURE( rxContext.is(), "OConfigurationTreeRoot::tryCreateWithComponentContext: invalid XComponentContext!" );
|
|
try
|
|
{
|
|
Reference< XMultiServiceFactory > xConfigFactory = theDefaultProvider::get( rxContext );
|
|
return createWithProvider( xConfigFactory, _rPath, _nDepth, _eMode );
|
|
}
|
|
catch(const Exception&)
|
|
{
|
|
// silence this, 'cause the contract of this method states "no assertions"
|
|
}
|
|
return OConfigurationTreeRoot();
|
|
}
|
|
|
|
} // namespace utl
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|