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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef OOX_OLE_OLESTORAGE_HXX
#define OOX_OLE_OLESTORAGE_HXX
#include "oox/helper/storagebase.hxx"
namespace com { namespace sun { namespace star {
namespace container { class XNameContainer; }
namespace uno { class XComponentContext; }
} } }
namespace oox {
namespace ole {
// ============================================================================
/** Implements stream access for binary OLE storages. */
class OleStorage : public StorageBase
{
public:
explicit OleStorage(
const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& rxInStream,
bool bBaseStreamAccess );
explicit OleStorage(
const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& rxOutStream,
bool bBaseStreamAccess );
virtual ~OleStorage();
private:
explicit OleStorage(
const OleStorage& rParentStorage,
const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameContainer >& rxStorage,
const ::rtl::OUString& rElementName,
bool bReadOnly );
explicit OleStorage(
const OleStorage& rParentStorage,
const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& rxOutStream,
const ::rtl::OUString& rElementName );
/** Initializes the API storage object for input. */
void initStorage( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& rxInStream );
/** Initializes the API storage object for input/output. */
void initStorage( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& rxOutStream );
/** Returns true, if the object represents a valid storage. */
virtual bool implIsStorage() const;
/** Returns the com.sun.star.embed.XStorage interface of the current storage.
@attention
This function is not implemented for binary OLE storages.
*/
virtual ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >
implGetXStorage() const;
/** Returns the names of all elements of this storage. */
virtual void implGetElementNames( ::std::vector< ::rtl::OUString >& orElementNames ) const;
/** Opens and returns the specified sub storage from the storage. */
virtual StorageRef implOpenSubStorage( const ::rtl::OUString& rElementName, bool bCreateMissing );
/** Opens and returns the specified input stream from the storage. */
virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >
implOpenInputStream( const ::rtl::OUString& rElementName );
/** Opens and returns the specified output stream from the storage. */
virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >
implOpenOutputStream( const ::rtl::OUString& rElementName );
/** Commits the current storage. */
virtual void implCommit() const;
private:
::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >
mxContext; /// Component context with service manager.
::com::sun::star::uno::Reference< ::com::sun::star::container::XNameContainer >
mxStorage; /// Access to elements of this sub storage.
const OleStorage* mpParentStorage; /// Parent OLE storage that contains this storage.
};
// ============================================================================
} // namespace ole
} // namespace oox
#endif
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