include/svl/instrm.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 SVTOOLS_INSTRM_HXX
  21 #define SVTOOLS_INSTRM_HXX
  22
  23 #include "svl/svldllapi.h"
  24 #include <com/sun/star/uno/Reference.h>
  25 #include <tools/stream.hxx>
  26
  27 namespace com { namespace sun { namespace star { namespace io {
  28     class XInputStream;
  29     class XSeekable;
  30 } } } }
  31
  32 class SvDataPipe_Impl;
  33
  34 //============================================================================
  35 class SVL_DLLPUBLIC SvInputStream: public SvStream
  36 {
  37     com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
  38         m_xStream;
  39     com::sun::star::uno::Reference< com::sun::star::io::XSeekable >
  40         m_xSeekable;
  41     SvDataPipe_Impl * m_pPipe;
  42     sal_uLong m_nSeekedFrom;
  43
  44     SVL_DLLPRIVATE bool open();
  45
  46     SVL_DLLPRIVATE virtual sal_uLong GetData(void * pData, sal_uLong nSize);
  47
  48     SVL_DLLPRIVATE virtual sal_uLong PutData(void const *, sal_uLong);
  49
  50     SVL_DLLPRIVATE virtual sal_uLong SeekPos(sal_uLong nPos);
  51
  52     SVL_DLLPRIVATE virtual void FlushData();
  53
  54     SVL_DLLPRIVATE virtual void SetSize(sal_uLong);
  55
  56 public:
  57     SvInputStream(
  58         com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
  59                 const &
  60             rTheStream);
  61
  62     virtual ~SvInputStream();
  63
  64     virtual sal_uInt16 IsA() const;
  65
  66     virtual void AddMark(sal_uLong nPos);
  67
  68     virtual void RemoveMark(sal_uLong nPos);
  69 };
  70
  71 #endif // SVTOOLS_INSTRM_HXX
  72
  73 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */