include/comphelper/oslfile2streamwrap.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 #ifndef INCLUDED_COMPHELPER_OSLFILE2STREAMWRAP_HXX
  20 #define INCLUDED_COMPHELPER_OSLFILE2STREAMWRAP_HXX
  21
  22 #include <com/sun/star/io/XOutputStream.hpp>
  23 #include <com/sun/star/io/XInputStream.hpp>
  24 #include <cppuhelper/implbase.hxx>
  25 #include <comphelper/comphelperdllapi.h>
  26 #include <mutex>
  27
  28 namespace osl { class File; }
  29
  30 namespace comphelper
  31 {
  32
  33 // Stream to read and write data, based on File
  34
  35 class OSLInputStreamWrapper final : public ::cppu::WeakImplHelper<css::io::XInputStream>
  36 {
  37 public:
  38     COMPHELPER_DLLPUBLIC OSLInputStreamWrapper(::osl::File& _rStream);
  39
  40 private:
  41     virtual ~OSLInputStreamWrapper() override;
  42
  43 // css::io::XInputStream
  44     virtual sal_Int32   SAL_CALL    readBytes(css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) override;
  45     virtual sal_Int32   SAL_CALL    readSomeBytes(css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) override;
  46     virtual void        SAL_CALL    skipBytes(sal_Int32 nBytesToSkip) override;
  47     virtual sal_Int32   SAL_CALL    available() override;
  48     virtual void        SAL_CALL    closeInput() override;
  49
  50     std::mutex      m_aMutex;
  51     ::osl::File*    m_pFile;
  52 };
  53
  54
  55 // data sink for the files
  56
  57 class OSLOutputStreamWrapper final : public ::cppu::WeakImplHelper<css::io::XOutputStream>
  58 {
  59 public:
  60     COMPHELPER_DLLPUBLIC OSLOutputStreamWrapper(::osl::File& _rFile);
  61
  62 private:
  63     virtual ~OSLOutputStreamWrapper() override;
  64
  65 // css::io::XOutputStream
  66     virtual void SAL_CALL writeBytes(const css::uno::Sequence< sal_Int8 >& aData) override;
  67     virtual void SAL_CALL flush() override;
  68     virtual void SAL_CALL closeOutput() override;
  69
  70     ::osl::File&        rFile;
  71 };
  72
  73 }   // namespace comphelper
  74
  75
  76 #endif // INCLUDED_COMPHELPER_OSLFILE2STREAMWRAP_HXX
  77
  78 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */