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.
   4  *
   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_SVL_INSTRM_HXX
  21 #define INCLUDED_SVL_INSTRM_HXX
  22
  23 #include <svl/svldllapi.h>
  24 #include <com/sun/star/uno/Reference.h>
  25 #include <tools/stream.hxx>
  26 #include <memory>
  27
  28 namespace com::sun::star::io {
  29     class XInputStream;
  30     class XSeekable;
  31 }
  32
  33 class SvDataPipe_Impl;
  34
  35
  36 class SVL_DLLPUBLIC SvInputStream final : public SvStream
  37 {
  38     css::uno::Reference< css::io::XInputStream >   m_xStream;
  39     css::uno::Reference< css::io::XSeekable >      m_xSeekable;
  40     std::unique_ptr<SvDataPipe_Impl>               m_pPipe;
  41     sal_uInt64                                     m_nSeekedFrom;
  42
  43     SVL_DLLPRIVATE bool open();
  44
  45     SVL_DLLPRIVATE virtual std::size_t GetData(void * pData, std::size_t nSize) override;
  46
  47     SVL_DLLPRIVATE virtual std::size_t PutData(void const *, std::size_t) override;
  48
  49     SVL_DLLPRIVATE virtual sal_uInt64 SeekPos(sal_uInt64 nPos) override;
  50
  51     SVL_DLLPRIVATE virtual void FlushData() override;
  52
  53     SVL_DLLPRIVATE virtual void SetSize(sal_uInt64) override;
  54
  55 public:
  56     SvInputStream( css::uno::Reference< css::io::XInputStream > xTheStream );
  57
  58     virtual ~SvInputStream() override;
  59 };
  60
  61 #endif // INCLUDED_SVL_INSTRM_HXX
  62
  63 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */