115 lines
4.7 KiB
C++
115 lines
4.7 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_OOX_OLE_OLESTORAGE_HXX
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#define INCLUDED_OOX_OLE_OLESTORAGE_HXX
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#include <vector>
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#include <com/sun/star/uno/Reference.hxx>
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#include <oox/dllapi.h>
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#include <oox/helper/storagebase.hxx>
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#include <rtl/ustring.hxx>
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namespace com::sun::star {
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namespace container { class XNameContainer; }
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namespace embed { class XStorage; }
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namespace io { class XInputStream; }
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namespace io { class XOutputStream; }
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namespace io { class XStream; }
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namespace uno { class XComponentContext; }
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}
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namespace oox::ole {
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/** Implements stream access for binary OLE storages. */
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class OOX_DLLPUBLIC OleStorage final : public StorageBase
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{
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public:
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explicit OleStorage(
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const css::uno::Reference< css::uno::XComponentContext >& rxContext,
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const css::uno::Reference< css::io::XInputStream >& rxInStream,
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bool bBaseStreamAccess );
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explicit OleStorage(
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const css::uno::Reference< css::uno::XComponentContext >& rxContext,
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const css::uno::Reference< css::io::XStream >& rxOutStream,
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bool bBaseStreamAccess );
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virtual ~OleStorage() override;
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private:
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explicit OleStorage(
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const OleStorage& rParentStorage,
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const css::uno::Reference< css::container::XNameContainer >& rxStorage,
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const OUString& rElementName,
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bool bReadOnly );
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explicit OleStorage(
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const OleStorage& rParentStorage,
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const css::uno::Reference< css::io::XStream >& rxOutStream,
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const OUString& rElementName );
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/** Initializes the API storage object for input. */
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void initStorage( const css::uno::Reference< css::io::XInputStream >& rxInStream );
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/** Initializes the API storage object for input/output. */
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void initStorage( const css::uno::Reference< css::io::XStream >& rxOutStream );
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/** Returns true, if the object represents a valid storage. */
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virtual bool implIsStorage() const override;
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/** Returns the com.sun.star.embed.XStorage interface of the current storage.
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@attention
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This function is not implemented for binary OLE storages.
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*/
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virtual css::uno::Reference< css::embed::XStorage >
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implGetXStorage() const override;
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/** Returns the names of all elements of this storage. */
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virtual void implGetElementNames( ::std::vector< OUString >& orElementNames ) const override;
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/** Opens and returns the specified sub storage from the storage. */
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virtual StorageRef implOpenSubStorage( const OUString& rElementName, bool bCreateMissing ) override;
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/** Opens and returns the specified input stream from the storage. */
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virtual css::uno::Reference< css::io::XInputStream >
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implOpenInputStream( const OUString& rElementName ) override;
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/** Opens and returns the specified output stream from the storage. */
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virtual css::uno::Reference< css::io::XOutputStream >
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implOpenOutputStream( const OUString& rElementName ) override;
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/** Commits the current storage. */
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virtual void implCommit() const override;
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private:
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css::uno::Reference< css::uno::XComponentContext >
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mxContext; ///< Component context with service manager.
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css::uno::Reference< css::container::XNameContainer >
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mxStorage; ///< Access to elements of this sub storage.
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const OleStorage* mpParentStorage; ///< Parent OLE storage that contains this storage.
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};
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} // namespace oox::ole
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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