01baeab998
Change-Id: I0507dd797cd5a35e0ae14f4b69ee4e172d08a71a Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105681 Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com> Tested-by: Jenkins
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_COMPHELPER_STREAMSECTION_HXX
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#define INCLUDED_COMPHELPER_STREAMSECTION_HXX
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#include <config_options.h>
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#include <com/sun/star/uno/Reference.h>
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#include <comphelper/comphelperdllapi.h>
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namespace com::sun::star::io
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{
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class XDataInputStream;
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}
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namespace com::sun::star::io
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{
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class XDataOutputStream;
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}
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namespace com::sun::star::io
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{
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class XMarkableStream;
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}
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namespace comphelper
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{
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/** implements handling for compatibly reading/writing data from/into an input/output stream.
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data written in a block secured by this class should be readable by older versions which
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use the same mechanism.
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*/
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class UNLESS_MERGELIBS(COMPHELPER_DLLPUBLIC) OStreamSection
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{
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css::uno::Reference<css::io::XMarkableStream> m_xMarkStream;
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css::uno::Reference<css::io::XDataInputStream> m_xInStream;
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css::uno::Reference<css::io::XDataOutputStream> m_xOutStream;
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sal_Int32 m_nBlockStart;
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sal_Int32 m_nBlockLen;
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public:
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/** starts reading of a "skippable" section of data within the given input stream<BR>
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@param _rxInput the stream to read from. Must support the
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css::io::XMarkableStream interface
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*/
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OStreamSection(const css::uno::Reference<css::io::XDataInputStream>& _rxInput);
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/** starts writing of a "skippable" section of data into the given output stream
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@param _rxOutput the stream the stream to write to. Must support the
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css::io::XMarkableStream interface
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*/
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OStreamSection(const css::uno::Reference<css::io::XDataOutputStream>& _rxOutput);
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/** dtor. <BR>If constructed for writing, the section "opened" by this object will be "closed".<BR>
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If constructed for reading, any remaining bytes 'til the end of the section will be skipped.
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*/
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~OStreamSection();
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};
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} // namespace comphelper
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#endif // INCLUDED_COMPHELPER_STREAMSECTION_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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