033aaeec9e
Change-Id: I351a9127fb26369d8f598b6d6519d7e490fa476b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/163190 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
65 lines
2.3 KiB
C++
65 lines
2.3 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_PACKAGE_DEFLATER_HXX
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#define INCLUDED_PACKAGE_DEFLATER_HXX
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#include <config_options.h>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <package/packagedllapi.hxx>
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#include <memory>
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struct z_stream_s;
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namespace ZipUtils {
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class UNLESS_MERGELIBS(DLLPUBLIC_PACKAGE) Deflater final
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{
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typedef struct z_stream_s z_stream;
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css::uno::Sequence< sal_Int8 > sInBuffer;
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bool bFinish;
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bool bFinished;
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sal_Int64 nOffset, nLength;
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// zlib total_in / total_out may be stored in 32bit, so they can overflow in case of 4gb files
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sal_uInt64 nTotalOut64, nTotalIn64; // save the overflowed value here.
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std::unique_ptr<z_stream> pStream;
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void init (sal_Int32 nLevel, bool bNowrap);
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sal_Int32 doDeflateBytes (css::uno::Sequence < sal_Int8 > &rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength);
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public:
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~Deflater();
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Deflater(sal_Int32 nSetLevel, bool bNowrap);
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void setInputSegment( const css::uno::Sequence< sal_Int8 >& rBuffer );
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bool needsInput() const;
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void finish( );
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bool finished() const { return bFinished;}
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sal_Int32 doDeflateSegment( css::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewLength );
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sal_Int64 getTotalIn() const;
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sal_Int64 getTotalOut() const;
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void reset( );
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void end( );
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};
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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