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Diffstat (limited to 'include/oox/ole/olestorage.hxx')
-rw-r--r-- | include/oox/ole/olestorage.hxx | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/include/oox/ole/olestorage.hxx b/include/oox/ole/olestorage.hxx new file mode 100644 index 000000000000..1b48eab8213d --- /dev/null +++ b/include/oox/ole/olestorage.hxx @@ -0,0 +1,110 @@ +/* -*- 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 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 OOX_DLLPUBLIC 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 OUString& rElementName, + bool bReadOnly ); + explicit OleStorage( + const OleStorage& rParentStorage, + const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& rxOutStream, + const 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< OUString >& orElementNames ) const; + + /** Opens and returns the specified sub storage from the storage. */ + virtual StorageRef implOpenSubStorage( const 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 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 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 + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |