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| -rw-r--r-- | include/oox/ole/olestorage.hxx | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/include/oox/ole/olestorage.hxx b/include/oox/ole/olestorage.hxx new file mode 100644 index 000000000..de40a1395 --- /dev/null +++ b/include/oox/ole/olestorage.hxx @@ -0,0 +1,117 @@ +/* -*- 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 { +namespace 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 ole +} // namespace oox + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |