include/package/Inflater.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   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
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  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 <com/sun/star/uno/Sequence.hxx>
  24 #include <package/packagedllapi.hxx>
  25 #include <memory>
  26
  27 struct z_stream_s;
  28
  29 namespace ZipUtils {
  30
  31 class DLLPUBLIC_PACKAGE Inflater final
  32 {
  33     typedef struct z_stream_s z_stream;
  34
  35     bool                    bFinished, bNeedDict;
  36     sal_Int32               nOffset, nLength, nLastInflateError;
  37     std::unique_ptr<z_stream>  pStream;
  38     css::uno::Sequence < sal_Int8 >  sInBuffer;
  39     sal_Int32   doInflateBytes (css::uno::Sequence < sal_Int8 > &rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength);
  40
  41 public:
  42     Inflater(bool bNoWrap);
  43     ~Inflater();
  44     void setInput( const css::uno::Sequence< sal_Int8 >& rBuffer );
  45     bool needsDictionary(  ) { return bNeedDict;}
  46     bool finished(  ) { return bFinished;}
  47     sal_Int32 doInflateSegment( css::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength );
  48     void end(  );
  49
  50     sal_Int32 getLastInflateError() const { return nLastInflateError; }
  51 };
  52
  53 }
  54
  55 #endif
  56
  57 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */