344 lines
12 KiB
C++
344 lines
12 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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#pragma once
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#include <rtl/ref.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <com/sun/star/embed/XStorage.hpp>
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#include <com/sun/star/embed/XTransactedObject.hpp>
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#include <com/sun/star/io/XOutputStream.hpp>
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#include <com/sun/star/io/XStream.hpp>
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#include <com/sun/star/io/XTruncate.hpp>
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#include <com/sun/star/lang/XComponent.hpp>
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#include <com/sun/star/uno/XAggregation.hpp>
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#include "tdoc_storage.hxx"
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#include <mutex>
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namespace tdoc_ucp {
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class OfficeDocumentsManager;
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class ParentStorageHolder
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{
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public:
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ParentStorageHolder(
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css::uno::Reference< css::embed::XStorage > xParentStorage,
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const OUString & rUri );
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bool isParentARootStorage() const
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{ return m_bParentIsRootStorage; }
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css::uno::Reference< css::embed::XStorage >
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getParentStorage() const
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{
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std::scoped_lock aGuard( m_aMutex );
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return m_xParentStorage;
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}
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void clearParentStorage()
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{
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std::scoped_lock aGuard( m_aMutex );
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m_xParentStorage = nullptr;
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}
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private:
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mutable std::mutex m_aMutex;
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css::uno::Reference< css::embed::XStorage > m_xParentStorage;
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bool m_bParentIsRootStorage;
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};
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typedef
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cppu::WeakImplHelper<
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css::embed::XStorage,
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css::embed::XTransactedObject > StorageUNOBase;
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class Storage : public StorageUNOBase, public ParentStorageHolder
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{
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public:
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Storage(
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const css::uno::Reference< css::uno::XComponentContext > & rxContext,
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rtl::Reference< StorageElementFactory > xFactory,
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const OUString & rUri,
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const css::uno::Reference< css::embed::XStorage > & xParentStorage,
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const css::uno::Reference< css::embed::XStorage > & xStorageToWrap );
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virtual ~Storage() override;
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// XInterface
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virtual css::uno::Any SAL_CALL queryInterface(
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const css::uno::Type& aType ) override;
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virtual void SAL_CALL acquire()
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noexcept override;
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virtual void SAL_CALL release()
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noexcept override;
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// XTypeProvider (implemented by base, but needs to be overridden for
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// delegating to aggregate)
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virtual css::uno::Sequence< css::uno::Type > SAL_CALL
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getTypes() override;
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virtual css::uno::Sequence< sal_Int8 > SAL_CALL
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getImplementationId() override;
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// XComponent ( one of XStorage bases )
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virtual void SAL_CALL
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dispose() override;
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virtual void SAL_CALL
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addEventListener( const css::uno::Reference< css::lang::XEventListener > & xListener ) override;
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virtual void SAL_CALL
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removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
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// XNameAccess ( one of XStorage bases )
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virtual css::uno::Any SAL_CALL
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getByName( const OUString& aName ) override;
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virtual css::uno::Sequence< OUString > SAL_CALL
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getElementNames() override;
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virtual sal_Bool SAL_CALL
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hasByName( const OUString& aName ) override;
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// XElementAccess (base of XNameAccess)
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virtual css::uno::Type SAL_CALL
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getElementType() override;
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virtual sal_Bool SAL_CALL
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hasElements() override;
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// XStorage
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virtual void SAL_CALL
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copyToStorage( const css::uno::Reference< css::embed::XStorage >& xDest ) override;
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virtual css::uno::Reference< css::io::XStream > SAL_CALL
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openStreamElement( const OUString& aStreamName,
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sal_Int32 nOpenMode ) override;
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virtual css::uno::Reference< css::io::XStream > SAL_CALL
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openEncryptedStreamElement( const OUString& aStreamName,
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sal_Int32 nOpenMode,
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const OUString& aPassword ) override;
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virtual css::uno::Reference< css::embed::XStorage > SAL_CALL
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openStorageElement( const OUString& aStorName,
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sal_Int32 nOpenMode ) override;
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virtual css::uno::Reference< css::io::XStream > SAL_CALL
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cloneStreamElement( const OUString& aStreamName ) override;
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virtual css::uno::Reference< css::io::XStream > SAL_CALL
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cloneEncryptedStreamElement( const OUString& aStreamName,
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const OUString& aPassword ) override;
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virtual void SAL_CALL
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copyLastCommitTo( const css::uno::Reference<
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css::embed::XStorage >& xTargetStorage ) override;
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virtual void SAL_CALL
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copyStorageElementLastCommitTo( const OUString& aStorName,
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const css::uno::Reference<
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css::embed::XStorage > &
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xTargetStorage ) override;
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virtual sal_Bool SAL_CALL
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isStreamElement( const OUString& aElementName ) override;
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virtual sal_Bool SAL_CALL
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isStorageElement( const OUString& aElementName ) override;
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virtual void SAL_CALL
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removeElement( const OUString& aElementName ) override;
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virtual void SAL_CALL
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renameElement( const OUString& aEleName,
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const OUString& aNewName ) override;
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virtual void SAL_CALL
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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
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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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// 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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private:
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rtl::Reference< StorageElementFactory > m_xFactory;
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css::uno::Reference< css::uno::XAggregation > m_xAggProxy;
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css::uno::Reference< css::embed::XStorage > m_xWrappedStorage;
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css::uno::Reference< css::embed::XTransactedObject > m_xWrappedTransObj;
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css::uno::Reference< css::lang::XComponent > m_xWrappedComponent;
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css::uno::Reference< css::lang::XTypeProvider > m_xWrappedTypeProv;
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bool m_bIsDocumentStorage;
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StorageElementFactory::StorageMap::iterator m_aContainerIt;
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friend class StorageElementFactory;
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};
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typedef
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cppu::WeakImplHelper<
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css::io::XOutputStream,
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css::lang::XComponent > OutputStreamUNOBase;
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class OutputStream : public OutputStreamUNOBase, public ParentStorageHolder
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{
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public:
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OutputStream(
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const css::uno::Reference< css::uno::XComponentContext > & rxContext,
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const OUString & rUri,
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const css::uno::Reference< css::embed::XStorage > & xParentStorage,
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const css::uno::Reference< css::io::XOutputStream > & xStreamToWrap );
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virtual ~OutputStream() override;
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// XInterface
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virtual css::uno::Any SAL_CALL
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queryInterface( const css::uno::Type& aType ) override;
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// XTypeProvider (implemented by base, but needs to be overridden for
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// delegating to aggregate)
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virtual css::uno::Sequence< css::uno::Type > SAL_CALL
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getTypes() override;
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virtual css::uno::Sequence< sal_Int8 > SAL_CALL
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getImplementationId() override;
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// XOutputStream
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virtual void SAL_CALL
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writeBytes( const css::uno::Sequence< sal_Int8 >& aData ) override;
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virtual void SAL_CALL
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flush( ) override;
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// Note: We need to intercept this one.
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virtual void SAL_CALL
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closeOutput( ) override;
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// XComponent
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// Note: We need to intercept this one.
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virtual void SAL_CALL
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dispose() override;
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virtual void SAL_CALL
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addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
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virtual void SAL_CALL
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removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
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private:
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css::uno::Reference<
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css::uno::XAggregation > m_xAggProxy;
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css::uno::Reference<
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css::io::XOutputStream > m_xWrappedStream;
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css::uno::Reference<
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css::lang::XComponent > m_xWrappedComponent;
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css::uno::Reference<
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css::lang::XTypeProvider > m_xWrappedTypeProv;
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};
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typedef cppu::WeakImplHelper< css::io::XStream,
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css::io::XOutputStream,
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css::io::XTruncate,
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css::io::XInputStream,
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css::lang::XComponent >
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StreamUNOBase;
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class Stream : public StreamUNOBase, public ParentStorageHolder
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{
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public:
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Stream(
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const css::uno::Reference< css::uno::XComponentContext > & rxContext,
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rtl::Reference<OfficeDocumentsManager> const & docsMgr,
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const OUString & rUri,
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const css::uno::Reference< css::embed::XStorage > & xParentStorage,
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const css::uno::Reference< css::io::XStream > & xStreamToWrap );
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virtual ~Stream() override;
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// XInterface
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virtual css::uno::Any SAL_CALL
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queryInterface( const css::uno::Type& aType ) override;
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// XTypeProvider (implemented by base, but needs to be overridden for
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// delegating to aggregate)
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virtual css::uno::Sequence< css::uno::Type > SAL_CALL
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getTypes() override;
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virtual css::uno::Sequence< sal_Int8 > SAL_CALL
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getImplementationId() override;
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// XStream
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virtual css::uno::Reference< css::io::XInputStream > SAL_CALL
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getInputStream() override;
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virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL
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getOutputStream() override;
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// XOutputStream
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virtual void SAL_CALL
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writeBytes( const css::uno::Sequence< sal_Int8 >& aData ) override;
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virtual void SAL_CALL
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flush() override;
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virtual void SAL_CALL
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closeOutput() override;
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// XTruncate
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virtual void SAL_CALL
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truncate() override;
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// XInputStream
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virtual sal_Int32 SAL_CALL
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readBytes( css::uno::Sequence< sal_Int8 >& aData,
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sal_Int32 nBytesToRead ) override;
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virtual sal_Int32 SAL_CALL
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readSomeBytes( css::uno::Sequence< sal_Int8 >& aData,
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sal_Int32 nMaxBytesToRead ) override;
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virtual void SAL_CALL
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skipBytes( sal_Int32 nBytesToSkip ) override;
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virtual sal_Int32 SAL_CALL
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available() override;
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virtual void SAL_CALL
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closeInput() override;
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// XComponent
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// Note: We need to intercept this one.
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virtual void SAL_CALL
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dispose() override;
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virtual void SAL_CALL
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addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
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virtual void SAL_CALL
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removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
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private:
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/// @throws css::io::IOException
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void commitChanges();
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rtl::Reference<OfficeDocumentsManager> m_docsMgr;
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OUString m_uri;
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css::uno::Reference<
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css::uno::XAggregation > m_xAggProxy;
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css::uno::Reference<
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css::io::XStream > m_xWrappedStream;
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css::uno::Reference<
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css::io::XOutputStream > m_xWrappedOutputStream;
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css::uno::Reference<
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css::io::XTruncate > m_xWrappedTruncate;
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css::uno::Reference<
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css::io::XInputStream > m_xWrappedInputStream;
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css::uno::Reference<
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css::lang::XComponent > m_xWrappedComponent;
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css::uno::Reference<
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css::lang::XTypeProvider > m_xWrappedTypeProv;
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};
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} // namespace tdoc_ucp
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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