include/package/Deflater.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
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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_DEFLATER_HXX
  21 #define INCLUDED_PACKAGE_DEFLATER_HXX
  22
  23 #include <com/sun/star/uno/Sequence.hxx>
  24 #include <package/packagedllapi.hxx>
  25
  26 struct z_stream_s;
  27
  28 namespace ZipUtils {
  29
  30 class DLLPUBLIC_PACKAGE Deflater
  31 {
  32     typedef struct z_stream_s z_stream;
  33
  34 protected:
  35     com::sun::star::uno::Sequence< sal_Int8 > sInBuffer;
  36     sal_Bool                bFinish;
  37     sal_Bool                bFinished;
  38     sal_Bool                bSetParams;
  39     sal_Int32               nLevel, nStrategy;
  40     sal_Int64               nOffset, nLength;
  41     z_stream*               pStream;
  42
  43     void init (sal_Int32 nLevel, sal_Int32 nStrategy, sal_Bool bNowrap);
  44     sal_Int32 doDeflateBytes (com::sun::star::uno::Sequence < sal_Int8 > &rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength);
  45
  46 public:
  47     ~Deflater();
  48     Deflater(sal_Int32 nSetLevel, sal_Bool bNowrap);
  49     void SAL_CALL setInputSegment( const ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength );
  50     void SAL_CALL setLevel( sal_Int32 nNewLevel );
  51     sal_Bool SAL_CALL needsInput(  );
  52     void SAL_CALL finish(  );
  53     sal_Bool SAL_CALL finished(  );
  54     sal_Int32 SAL_CALL doDeflateSegment( ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength );
  55     sal_Int64 SAL_CALL getTotalIn(  );
  56     sal_Int64 SAL_CALL getTotalOut(  );
  57     void SAL_CALL reset(  );
  58     void SAL_CALL end(  );
  59 };
  60
  61 }
  62
  63 #endif
  64
  65 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */