std_inputstream.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/.
 */
 
#pragma once
 
#include <boost/shared_ptr.hpp>
#include <istream>
 
#include <mutex>
#include <cppuhelper/weak.hxx>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
 
namespace cmis
{
    class StdInputStream
        : public cppu::OWeakObject,
          public css::io::XInputStream,
          public css::io::XSeekable
    {
        public:
 
            StdInputStream( boost::shared_ptr< std::istream > pStream );
 
            virtual ~StdInputStream() override;
 
            virtual css::uno::Any SAL_CALL queryInterface ( const css::uno::Type& rType ) override;
 
            virtual void SAL_CALL acquire( ) noexcept override;
 
            virtual void SAL_CALL release( ) noexcept override;
 
            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;
 
 
            virtual void SAL_CALL
            seek ( sal_Int64 location ) override;
 
 
            virtual sal_Int64 SAL_CALL
            getPosition ( ) override;
 
 
            virtual sal_Int64 SAL_CALL
            getLength ( ) override;
 
        private:
 
            std::mutex m_aMutex;
            boost::shared_ptr< std::istream > m_pStream;
            sal_Int64 m_nLength;
    };
 
}
 
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