include/package/Inflater.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_PACKAGE_INFLATER_HXX
  21 #define INCLUDED_PACKAGE_INFLATER_HXX
  22
  23 #include <config_options.h>
  24 #include <com/sun/star/uno/Sequence.hxx>
  25 #include <package/packagedllapi.hxx>
  26 #include <memory>
  27
  28 struct z_stream_s;
  29
  30 namespace ZipUtils {
  31
  32 class UNLESS_MERGELIBS(DLLPUBLIC_PACKAGE) Inflater final
  33 {
  34     typedef struct z_stream_s z_stream;
  35
  36     bool                    bFinished, bNeedDict;
  37     sal_Int32               nOffset, nLength, nLastInflateError;
  38     std::unique_ptr<z_stream>  pStream;
  39     css::uno::Sequence < sal_Int8 >  sInBuffer;
  40     sal_Int32   doInflateBytes (css::uno::Sequence < sal_Int8 > &rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength);
  41
  42 public:
  43     Inflater(bool bNoWrap);
  44     ~Inflater();
  45     void setInput( const css::uno::Sequence< sal_Int8 >& rBuffer );
  46     bool needsDictionary() const { return bNeedDict; }
  47     bool finished() const { return bFinished; }
  48     sal_Int32 doInflateSegment( css::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength );
  49     void end(  );
  50
  51     sal_Int32 getLastInflateError() const { return nLastInflateError; }
  52 };
  53
  54 class UNLESS_MERGELIBS(DLLPUBLIC_PACKAGE) InflaterBytes final
  55 {
  56     typedef struct z_stream_s z_stream;
  57
  58     bool                    bFinished;
  59     sal_Int32               nOffset, nLength;
  60     std::unique_ptr<z_stream>  pStream;
  61     const sal_Int8*  sInBuffer;
  62     sal_Int32   doInflateBytes (sal_Int8* pOutBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength);
  63
  64 public:
  65     InflaterBytes(bool bNoWrap);
  66     ~InflaterBytes();
  67     void setInput( const sal_Int8* pBuffer, sal_Int32 nLen );
  68     bool finished() const { return bFinished; }
  69     sal_Int32 doInflateSegment( sal_Int8* pOutBuffer, sal_Int32 nBufLen, sal_Int32 nNewOffset, sal_Int32 nNewLength );
  70     void end(  );
  71 };
  72
  73 }
  74
  75 #endif
  76
  77 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */