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Diffstat (limited to 'oox/inc/oox/ole/olestorage.hxx')
-rwxr-xr-x | oox/inc/oox/ole/olestorage.hxx | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/oox/inc/oox/ole/olestorage.hxx b/oox/inc/oox/ole/olestorage.hxx new file mode 100755 index 000000000000..a84fadfadc92 --- /dev/null +++ b/oox/inc/oox/ole/olestorage.hxx @@ -0,0 +1,116 @@ +/************************************************************************* + * + * 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 lang { class XMultiServiceFactory; } + namespace container { class XNameContainer; } +} } } + +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::lang::XMultiServiceFactory >& rxFactory, + 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::lang::XMultiServiceFactory >& rxFactory, + 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::lang::XMultiServiceFactory > + mxFactory; /// Factory for storage/stream creation. + ::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 |