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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_OOX_OLE_OLESTORAGE_HXX
#define INCLUDED_OOX_OLE_OLESTORAGE_HXX
#include <vector>
#include <com/sun/star/uno/Reference.hxx>
#include <oox/dllapi.h>
#include <oox/helper/storagebase.hxx>
#include <rtl/ustring.hxx>
namespace com::sun::star {
namespace container { class XNameContainer; }
namespace embed { class XStorage; }
namespace io { class XInputStream; }
namespace io { class XOutputStream; }
namespace io { class XStream; }
namespace uno { class XComponentContext; }
}
namespace oox::ole {
/** Implements stream access for binary OLE storages. */
class OOX_DLLPUBLIC OleStorage final : public StorageBase
{
public:
explicit OleStorage(
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
const css::uno::Reference< css::io::XInputStream >& rxInStream,
bool bBaseStreamAccess );
explicit OleStorage(
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
const css::uno::Reference< css::io::XStream >& rxOutStream,
bool bBaseStreamAccess );
virtual ~OleStorage() override;
private:
explicit OleStorage(
const OleStorage& rParentStorage,
const css::uno::Reference< css::container::XNameContainer >& rxStorage,
const OUString& rElementName,
bool bReadOnly );
explicit OleStorage(
const OleStorage& rParentStorage,
const css::uno::Reference< css::io::XStream >& rxOutStream,
const OUString& rElementName );
/** Initializes the API storage object for input. */
void initStorage( const css::uno::Reference< css::io::XInputStream >& rxInStream );
/** Initializes the API storage object for input/output. */
void initStorage( const css::uno::Reference< css::io::XStream >& rxOutStream );
/** Returns true, if the object represents a valid storage. */
virtual bool implIsStorage() const override;
/** Returns the com.sun.star.embed.XStorage interface of the current storage.
@attention
This function is not implemented for binary OLE storages.
*/
virtual css::uno::Reference< css::embed::XStorage >
implGetXStorage() const override;
/** Returns the names of all elements of this storage. */
virtual void implGetElementNames( ::std::vector< OUString >& orElementNames ) const override;
/** Opens and returns the specified sub storage from the storage. */
virtual StorageRef implOpenSubStorage( const OUString& rElementName, bool bCreateMissing ) override;
/** Opens and returns the specified input stream from the storage. */
virtual css::uno::Reference< css::io::XInputStream >
implOpenInputStream( const OUString& rElementName ) override;
/** Opens and returns the specified output stream from the storage. */
virtual css::uno::Reference< css::io::XOutputStream >
implOpenOutputStream( const OUString& rElementName ) override;
/** Commits the current storage. */
virtual void implCommit() const override;
private:
css::uno::Reference< css::uno::XComponentContext >
mxContext; ///< Component context with service manager.
css::uno::Reference< css::container::XNameContainer >
mxStorage; ///< Access to elements of this sub storage.
const OleStorage* mpParentStorage; ///< Parent OLE storage that contains this storage.
};
} // namespace oox::ole
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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