543 lines
23 KiB
C++
543 lines
23 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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#ifndef INCLUDED_PACKAGE_SOURCE_XSTOR_XSTORAGE_HXX
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#define INCLUDED_PACKAGE_SOURCE_XSTOR_XSTORAGE_HXX
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/embed/XStorage2.hpp>
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#include <com/sun/star/embed/XOptimizedStorage.hpp>
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#include <com/sun/star/embed/XHierarchicalStorageAccess2.hpp>
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#include <com/sun/star/embed/XStorageRawAccess.hpp>
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#include <com/sun/star/embed/XTransactedObject.hpp>
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#include <com/sun/star/embed/XTransactionBroadcaster.hpp>
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#include <com/sun/star/embed/XEncryptionProtectedStorage.hpp>
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#include <com/sun/star/embed/XRelationshipAccess.hpp>
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#include <com/sun/star/util/XModifiable.hpp>
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#include <com/sun/star/container/XNameContainer.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <com/sun/star/beans/StringPair.hpp>
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#include <com/sun/star/io/XStream.hpp>
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#include <com/sun/star/lang/XSingleServiceFactory.hpp>
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#include <com/sun/star/lang/XTypeProvider.hpp>
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#include <com/sun/star/lang/XComponent.hpp>
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#include <cppuhelper/typeprovider.hxx>
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#include <cppuhelper/weak.hxx>
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#include <cppuhelper/weakref.hxx>
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#include <comphelper/multicontainer2.hxx>
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#include <comphelper/refcountedmutex.hxx>
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#include <comphelper/sequenceashashmap.hxx>
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#include <o3tl/deleter.hxx>
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#include <rtl/ref.hxx>
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#include "ohierarchyholder.hxx"
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#include "disposelistener.hxx"
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#include <vector>
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#include <memory>
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#include <optional>
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#include <string_view>
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namespace com::sun::star::uno {
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class XComponentContext;
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}
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#define RELINFO_NO_INIT 1
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#define RELINFO_READ 2
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#define RELINFO_CHANGED 3
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#define RELINFO_CHANGED_STREAM 4
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#define RELINFO_CHANGED_STREAM_READ 5
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#define RELINFO_BROKEN 6
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#define RELINFO_CHANGED_BROKEN 7
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#define STOR_MESS_PRECOMMIT 1
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#define STOR_MESS_COMMITTED 2
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#define STOR_MESS_PREREVERT 3
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#define STOR_MESS_REVERTED 4
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// a common implementation for an entry
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struct OStorage_Impl;
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struct OWriteStream_Impl;
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struct SotElement_Impl
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{
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OUString m_aOriginalName;
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bool m_bIsRemoved;
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bool m_bIsInserted;
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bool m_bIsStorage;
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std::unique_ptr<OStorage_Impl> m_xStorage;
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std::unique_ptr<OWriteStream_Impl, o3tl::default_delete<OWriteStream_Impl>> m_xStream;
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public:
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SotElement_Impl(OUString aName, bool bStor, bool bNew);
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};
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// Main storage implementation
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class OStorage;
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struct StorageHolder_Impl
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{
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OStorage* m_pPointer;
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css::uno::WeakReference< css::embed::XStorage > m_xWeakRef;
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explicit inline StorageHolder_Impl( OStorage* pStorage );
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};
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class SwitchablePersistenceStream;
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struct OStorage_Impl
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{
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typedef std::vector<StorageHolder_Impl> StorageHoldersType;
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rtl::Reference<comphelper::RefCountedMutex> m_xMutex;
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OStorage* m_pAntiImpl; // only valid if external references exists
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StorageHoldersType m_aReadOnlyWrapVector; // only valid if readonly external reference exists
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sal_Int32 m_nStorageMode; // open mode ( read/write/trunc/nocreate )
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bool m_bIsModified; // only modified elements will be sent to the original content
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bool m_bBroadcastModified; // will be set if notification is required
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bool m_bCommited; // sending the streams is coordinated by the root storage of the package
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bool m_bIsRoot; // marks this storage as root storages that manages all commits and reverts
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bool m_bListCreated;
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bool m_bRepairPackage = false;
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/// Count of registered modification listeners
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oslInterlockedCount m_nModifiedListenerCount;
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bool HasModifiedListener() const
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{
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return m_nModifiedListenerCount > 0 && m_pAntiImpl != nullptr;
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}
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std::unordered_map<OUString, std::vector<SotElement_Impl*>> m_aChildrenMap;
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std::vector< SotElement_Impl* > m_aDeletedVector;
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css::uno::Reference< css::container::XNameContainer > m_xPackageFolder;
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css::uno::Reference< css::lang::XSingleServiceFactory > m_xPackage;
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css::uno::Reference< css::uno::XComponentContext > m_xContext;
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// valid only for root storage
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css::uno::Reference< css::io::XInputStream > m_xInputStream; // ??? may be stored in properties
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rtl::Reference< SwitchablePersistenceStream > m_xStream; // ??? may be stored in properties
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css::uno::Sequence< css::beans::PropertyValue > m_xProperties;
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bool m_bHasCommonEncryptionData;
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::comphelper::SequenceAsHashMap m_aCommonEncryptionData;
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// must be empty in case of root storage
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OStorage_Impl* m_pParent;
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bool m_bControlMediaType;
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OUString m_aMediaType;
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bool m_bMTFallbackUsed;
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bool m_bControlVersion;
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OUString m_aVersion;
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rtl::Reference<SwitchablePersistenceStream> m_pSwitchStream;
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sal_Int32 m_nStorageType; // the mode in which the storage is used
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// the _rels substorage that is handled in a special way in embed::StorageFormats::OFOPXML
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SotElement_Impl* m_pRelStorElement;
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rtl::Reference< OStorage > m_xRelStorage;
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css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > m_aRelInfo;
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css::uno::Reference< css::io::XInputStream > m_xNewRelInfoStream;
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sal_Int16 m_nRelInfoStatus;
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// Constructors
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OStorage_Impl( css::uno::Reference< css::io::XInputStream > const & xInputStream,
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sal_Int32 nMode,
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const css::uno::Sequence< css::beans::PropertyValue >& xProperties,
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css::uno::Reference< css::uno::XComponentContext > const & xContext,
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sal_Int32 nStorageType );
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OStorage_Impl( css::uno::Reference< css::io::XStream > const & xStream,
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sal_Int32 nMode,
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const css::uno::Sequence< css::beans::PropertyValue >& xProperties,
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css::uno::Reference< css::uno::XComponentContext > const & xContext,
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sal_Int32 nStorageType );
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// constructor for a substorage
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OStorage_Impl( OStorage_Impl* pParent,
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sal_Int32 nMode,
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css::uno::Reference< css::container::XNameContainer > const & xPackageFolder,
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css::uno::Reference< css::lang::XSingleServiceFactory > xPackage,
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css::uno::Reference< css::uno::XComponentContext > const & xContext,
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sal_Int32 nStorageType );
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~OStorage_Impl();
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void SetReadOnlyWrap( OStorage& aStorage );
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void RemoveReadOnlyWrap( const OStorage& aStorage );
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void OpenOwnPackage();
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void ReadContents();
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void ReadRelInfoIfNecessary();
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bool HasChildren();
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void GetStorageProperties();
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css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > GetAllRelationshipsIfAny();
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void CopyLastCommitTo( const css::uno::Reference< css::embed::XStorage >& xNewStor );
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void InsertIntoPackageFolder(
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const OUString& aName,
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const css::uno::Reference< css::container::XNameContainer >& xParentPackageFolder );
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void Commit();
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void Revert();
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/// @throws css::packages::NoEncryptionException
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::comphelper::SequenceAsHashMap GetCommonRootEncryptionData();
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void CopyToStorage( const css::uno::Reference< css::embed::XStorage >& xDest,
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bool bDirect );
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void CopyStorageElement( SotElement_Impl* pElement,
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const css::uno::Reference< css::embed::XStorage >& xDest,
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const OUString& aName,
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bool bDirect );
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SotElement_Impl* FindElement( const OUString& rName );
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SotElement_Impl* InsertStream( const OUString& aName, bool bEncr );
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void InsertRawStream( const OUString& aName, const css::uno::Reference< css::io::XInputStream >& xInStream );
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std::unique_ptr<OStorage_Impl> CreateNewStorageImpl( sal_Int32 nStorageMode );
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SotElement_Impl* InsertStorage( const OUString& aName, sal_Int32 nStorageMode );
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SotElement_Impl* InsertElement( const OUString& aName, bool bIsStorage );
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void OpenSubStorage( SotElement_Impl* pElement, sal_Int32 nStorageMode );
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void OpenSubStream( SotElement_Impl* pElement );
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css::uno::Sequence< OUString > GetElementNames();
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void RemoveElement( OUString const & rName, SotElement_Impl* pElement );
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static void ClearElement( SotElement_Impl* pElement );
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/// @throws css::embed::InvalidStorageException
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/// @throws css::lang::IllegalArgumentException
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/// @throws css::packages::WrongPasswordException
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/// @throws css::packages::NoEncryptionException
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/// @throws css::container::NoSuchElementException
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/// @throws css::io::IOException
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/// @throws css::embed::StorageWrappedTargetException
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/// @throws css::uno::RuntimeException
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void CloneStreamElement(
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const OUString& aStreamName,
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bool bPassProvided,
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const ::comphelper::SequenceAsHashMap& aEncryptionData,
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css::uno::Reference< css::io::XStream >& xTargetStream );
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void RemoveStreamRelInfo( std::u16string_view aOriginalName );
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void CreateRelStorage();
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void CommitStreamRelInfo( std::u16string_view rName, SotElement_Impl const * pStreamElement );
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css::uno::Reference< css::io::XInputStream > GetRelInfoStreamForName(
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std::u16string_view aName );
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void CommitRelInfo( const css::uno::Reference< css::container::XNameContainer >& xNewPackageFolder );
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static void completeStorageStreamCopy_Impl(
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const css::uno::Reference< css::io::XStream >& xSource,
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const css::uno::Reference< css::io::XStream >& xDest,
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sal_Int32 nStorageType,
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const css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > >& aRelInfo );
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};
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class OStorage final : public css::lang::XTypeProvider
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, public css::embed::XStorage2
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, public css::embed::XStorageRawAccess
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, public css::embed::XTransactedObject
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, public css::embed::XTransactionBroadcaster
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, public css::util::XModifiable
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, public css::embed::XEncryptionProtectedStorage
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, public css::beans::XPropertySet
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, public css::embed::XOptimizedStorage
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, public css::embed::XRelationshipAccess
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, public css::embed::XHierarchicalStorageAccess2
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, public ::cppu::OWeakObject
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{
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OStorage_Impl* m_pImpl;
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rtl::Reference<comphelper::RefCountedMutex> m_xSharedMutex;
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comphelper::OMultiTypeInterfaceContainerHelper2 m_aListenersContainer; // list of listeners
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::std::optional< ::cppu::OTypeCollection> m_oTypeCollection;
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bool m_bReadOnlyWrap;
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::rtl::Reference<OChildDispListener_Impl> m_pSubElDispListener;
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::std::vector< css::uno::WeakReference< css::lang::XComponent > > m_aOpenSubComponentsVector;
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std::unique_ptr<OHierarchyHolder_Impl> m_pHierarchyHolder;
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SotElement_Impl* OpenStreamElement_Impl( const OUString& aStreamName, sal_Int32 nOpenMode, bool bEncr );
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void BroadcastModifiedIfNecessary();
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void BroadcastTransaction( sal_Int8 nMessage );
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void MakeLinkToSubComponent_Impl(
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const css::uno::Reference< css::lang::XComponent >& xComponent );
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public:
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OStorage( css::uno::Reference< css::io::XInputStream > const & xInputStream,
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sal_Int32 nMode,
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const css::uno::Sequence< css::beans::PropertyValue >& xProperties,
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css::uno::Reference< css::uno::XComponentContext > const & xContext,
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sal_Int32 nStorageType );
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OStorage( css::uno::Reference< css::io::XStream > const & xStream,
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sal_Int32 nMode,
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const css::uno::Sequence< css::beans::PropertyValue >& xProperties,
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css::uno::Reference< css::uno::XComponentContext > const & xContext,
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sal_Int32 nStorageType );
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OStorage( OStorage_Impl* pImpl, bool bReadOnlyWrap );
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virtual ~OStorage() override;
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void InternalDispose( bool bNotifyImpl );
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void ChildIsDisposed( const css::uno::Reference< css::uno::XInterface >& xChild );
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sal_Int32 GetRefCount_Impl() const { return m_refCount; }
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// XInterface
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virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& rType ) override;
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virtual void SAL_CALL acquire() noexcept override;
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virtual void SAL_CALL release() noexcept override;
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// XTypeProvider
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virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
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virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
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// XStorage
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virtual void SAL_CALL copyToStorage( const css::uno::Reference< css::embed::XStorage >& xDest ) override;
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virtual css::uno::Reference< css::io::XStream > SAL_CALL openStreamElement(
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const OUString& aStreamName, sal_Int32 nOpenMode ) override;
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virtual css::uno::Reference< css::io::XStream > SAL_CALL openEncryptedStreamElement(
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const OUString& aStreamName, sal_Int32 nOpenMode, const OUString& aPass ) override;
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virtual css::uno::Reference< css::embed::XStorage > SAL_CALL openStorageElement(
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const OUString& aStorName, sal_Int32 nStorageMode ) override final;
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rtl::Reference< OStorage > openStorageElement2(
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const OUString& aStorName, sal_Int32 nStorageMode );
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virtual css::uno::Reference< css::io::XStream > SAL_CALL cloneStreamElement(
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const OUString& aStreamName ) override;
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virtual css::uno::Reference< css::io::XStream > SAL_CALL cloneEncryptedStreamElement(
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const OUString& aStreamName, const OUString& aPass ) override;
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virtual void SAL_CALL copyLastCommitTo(
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const css::uno::Reference< css::embed::XStorage >& xTargetStorage ) override;
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virtual void SAL_CALL copyStorageElementLastCommitTo(
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const OUString& aStorName,
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const css::uno::Reference< css::embed::XStorage >& xTargetStorage ) override;
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virtual sal_Bool SAL_CALL isStreamElement( const OUString& aElementName ) override;
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virtual sal_Bool SAL_CALL isStorageElement( const OUString& aElementName ) override;
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virtual void SAL_CALL removeElement( const OUString& aElementName ) override;
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virtual void SAL_CALL renameElement( const OUString& rEleName, const OUString& rNewName ) override;
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virtual void SAL_CALL copyElementTo( const OUString& aElementName,
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const css::uno::Reference< css::embed::XStorage >& xDest,
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const OUString& aNewName ) override;
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virtual void SAL_CALL moveElementTo( const OUString& aElementName,
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const css::uno::Reference< css::embed::XStorage >& xDest,
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const OUString& rNewName ) override;
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// XStorage2
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virtual css::uno::Reference< css::io::XStream > SAL_CALL openEncryptedStream( const OUString& sStreamName, ::sal_Int32 nOpenMode, const css::uno::Sequence< css::beans::NamedValue >& aEncryptionData ) override;
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virtual css::uno::Reference< css::io::XStream > SAL_CALL cloneEncryptedStream( const OUString& sStreamName, const css::uno::Sequence< css::beans::NamedValue >& aEncryptionData ) override;
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// XStorageRawAccess
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virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getPlainRawStreamElement(
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const OUString& sStreamName ) override;
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virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getRawEncrStreamElement(
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const OUString& sStreamName ) override;
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virtual void SAL_CALL insertRawEncrStreamElement( const OUString& aStreamName,
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const css::uno::Reference< css::io::XInputStream >& xInStream ) override;
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// XTransactedObject
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virtual void SAL_CALL commit() override;
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virtual void SAL_CALL revert() override;
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// XTransactionBroadcaster
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virtual void SAL_CALL addTransactionListener(
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const css::uno::Reference< css::embed::XTransactionListener >& aListener ) override;
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virtual void SAL_CALL removeTransactionListener(
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const css::uno::Reference< css::embed::XTransactionListener >& aListener ) override;
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// XModifiable
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virtual sal_Bool SAL_CALL isModified() override;
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virtual void SAL_CALL setModified( sal_Bool bModified ) override;
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virtual void SAL_CALL addModifyListener(
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const css::uno::Reference< css::util::XModifyListener >& aListener ) override;
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virtual void SAL_CALL removeModifyListener(
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const css::uno::Reference< css::util::XModifyListener >& aListener ) override;
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// XNameAccess
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virtual css::uno::Any SAL_CALL getByName( const OUString& aName ) override;
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virtual css::uno::Sequence< OUString > SAL_CALL getElementNames() override;
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virtual sal_Bool SAL_CALL hasByName( const OUString& aName ) override;
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virtual css::uno::Type SAL_CALL getElementType() override;
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virtual sal_Bool SAL_CALL hasElements() override;
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// XComponent
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virtual void SAL_CALL dispose() override;
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virtual void SAL_CALL addEventListener(
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const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
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virtual void SAL_CALL removeEventListener(
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const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
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// XEncryptionProtectedSource
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virtual void SAL_CALL setEncryptionPassword( const OUString& aPass ) override;
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virtual void SAL_CALL removeEncryption() override;
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// XEncryptionProtectedSource2
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virtual void SAL_CALL setEncryptionData(
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const css::uno::Sequence< css::beans::NamedValue >& aEncryptionData ) override;
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virtual sal_Bool SAL_CALL hasEncryptionData() override;
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// XEncryptionProtectedStorage
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virtual void SAL_CALL setEncryptionAlgorithms( const css::uno::Sequence< css::beans::NamedValue >& aAlgorithms ) override;
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virtual void SAL_CALL setGpgProperties( const css::uno::Sequence< css::uno::Sequence< css::beans::NamedValue > >& aCryptProps ) override;
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virtual css::uno::Sequence< css::beans::NamedValue > SAL_CALL getEncryptionAlgorithms() override;
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// XPropertySet
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virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo() override;
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virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const css::uno::Any& aValue ) override;
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virtual css::uno::Any SAL_CALL getPropertyValue( const OUString& PropertyName ) override;
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virtual void SAL_CALL addPropertyChangeListener(
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const OUString& aPropertyName,
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const css::uno::Reference< css::beans::XPropertyChangeListener >& xListener ) override;
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virtual void SAL_CALL removePropertyChangeListener(
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const OUString& aPropertyName,
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const css::uno::Reference< css::beans::XPropertyChangeListener >& aListener ) override;
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virtual void SAL_CALL addVetoableChangeListener(
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const OUString& PropertyName,
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const css::uno::Reference< css::beans::XVetoableChangeListener >& aListener ) override;
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virtual void SAL_CALL removeVetoableChangeListener( const OUString& PropertyName, const css::uno::Reference< css::beans::XVetoableChangeListener >& aListener ) override;
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// XOptimizedStorage
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virtual void SAL_CALL insertRawNonEncrStreamElementDirect( const OUString& sStreamName, const css::uno::Reference< css::io::XInputStream >& xInStream ) override;
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virtual void SAL_CALL insertStreamElementDirect( const OUString& sStreamName, const css::uno::Reference< css::io::XInputStream >& xInStream, const css::uno::Sequence< css::beans::PropertyValue >& aProps ) override;
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virtual void SAL_CALL copyElementDirectlyTo( const OUString& sSourceName, const css::uno::Reference< css::embed::XOptimizedStorage >& xTargetStorage, const OUString& sTargetName ) override;
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virtual void SAL_CALL writeAndAttachToStream( const css::uno::Reference< css::io::XStream >& xStream ) override;
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virtual void SAL_CALL attachToURL( const OUString& sURL, sal_Bool bReadOnly ) override;
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virtual css::uno::Any SAL_CALL getElementPropertyValue( const OUString& sElementName, const OUString& sPropertyName ) override;
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virtual void SAL_CALL copyStreamElementData( const OUString& sStreamName, const css::uno::Reference< css::io::XStream >& xTargetStream ) override;
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// XRelationshipAccess
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virtual sal_Bool SAL_CALL hasByID( const OUString& sID ) override;
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virtual OUString SAL_CALL getTargetByID( const OUString& sID ) override;
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virtual OUString SAL_CALL getTypeByID( const OUString& sID ) override;
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virtual css::uno::Sequence< css::beans::StringPair > SAL_CALL getRelationshipByID( const OUString& sID ) override;
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virtual css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > SAL_CALL getRelationshipsByType( const OUString& sType ) override;
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virtual css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > SAL_CALL getAllRelationships( ) override;
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virtual void SAL_CALL insertRelationshipByID( const OUString& sID, const css::uno::Sequence< css::beans::StringPair >& aEntry, sal_Bool bReplace ) override;
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virtual void SAL_CALL removeRelationshipByID( const OUString& sID ) override;
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virtual void SAL_CALL insertRelationships( const css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > >& aEntries, sal_Bool bReplace ) override;
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virtual void SAL_CALL clearRelationships( ) override;
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// XHierarchicalStorageAccess
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virtual css::uno::Reference< css::embed::XExtendedStorageStream > SAL_CALL openStreamElementByHierarchicalName( const OUString& sStreamPath, ::sal_Int32 nOpenMode ) override;
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virtual css::uno::Reference< css::embed::XExtendedStorageStream > SAL_CALL openEncryptedStreamElementByHierarchicalName( const OUString& sStreamName, ::sal_Int32 nOpenMode, const OUString& sPassword ) override;
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virtual void SAL_CALL removeStreamElementByHierarchicalName( const OUString& sElementPath ) override;
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// XHierarchicalStorageAccess2
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virtual css::uno::Reference< css::embed::XExtendedStorageStream > SAL_CALL openEncryptedStreamByHierarchicalName( const OUString& sStreamName, ::sal_Int32 nOpenMode, const css::uno::Sequence< css::beans::NamedValue >& aEncryptionData ) override;
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};
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StorageHolder_Impl::StorageHolder_Impl( OStorage* pStorage )
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: m_pPointer( pStorage )
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, m_xWeakRef( css::uno::Reference< css::embed::XStorage >( pStorage ) )
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{
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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