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path: root/include/comphelper/oslfile2streamwrap.hxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef INCLUDED_COMPHELPER_OSLFILE2STREAMWRAP_HXX
#define INCLUDED_COMPHELPER_OSLFILE2STREAMWRAP_HXX

#include <config_options.h>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <cppuhelper/implbase.hxx>
#include <comphelper/comphelperdllapi.h>
#include <mutex>

namespace osl { class File; }

namespace comphelper
{

// Stream to read and write data, based on File

class OSLInputStreamWrapper final : public ::cppu::WeakImplHelper<css::io::XInputStream>
{
public:
    UNLESS_MERGELIBS(COMPHELPER_DLLPUBLIC) OSLInputStreamWrapper(::osl::File& _rStream);

private:
    virtual ~OSLInputStreamWrapper() override;

// css::io::XInputStream
    virtual sal_Int32   SAL_CALL    readBytes(css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) override;
    virtual sal_Int32   SAL_CALL    readSomeBytes(css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) override;
    virtual void        SAL_CALL    skipBytes(sal_Int32 nBytesToSkip) override;
    virtual sal_Int32   SAL_CALL    available() override;
    virtual void        SAL_CALL    closeInput() override;

    std::mutex      m_aMutex;
    ::osl::File*    m_pFile;
};


// data sink for the files

class OSLOutputStreamWrapper final : public ::cppu::WeakImplHelper<css::io::XOutputStream>
{
public:
    COMPHELPER_DLLPUBLIC OSLOutputStreamWrapper(::osl::File& _rFile);

private:
    virtual ~OSLOutputStreamWrapper() override;

// css::io::XOutputStream
    virtual void SAL_CALL writeBytes(const css::uno::Sequence< sal_Int8 >& aData) override;
    virtual void SAL_CALL flush() override;
    virtual void SAL_CALL closeOutput() override;

    ::osl::File&        rFile;
};

}   // namespace comphelper


#endif // INCLUDED_COMPHELPER_OSLFILE2STREAMWRAP_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */