# Cppcheck report - LibreOffice: sfx2/source/doc/ownsubfilterservice.cxx

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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 .
     */

    #include <com/sun/star/frame/DoubleInitializationException.hpp>
    #include <com/sun/star/lang/XUnoTunnel.hpp>
    #include <com/sun/star/document/XFilter.hpp>
    #include <com/sun/star/lang/XServiceInfo.hpp>
    #include <com/sun/star/frame/XModel.hpp>
    #include <com/sun/star/io/XStream.hpp>

    #include <cppuhelper/implbase2.hxx>
    #include <cppuhelper/supportsservice.hxx>
    #include <rtl/ref.hxx>
    #include <sfx2/objsh.hxx>

    using namespace css;

    namespace {

    class OwnSubFilterService : public cppu::WeakImplHelper2 < document::XFilter
                                                            ,lang::XServiceInfo >
    {
        uno::Reference< frame::XModel > m_xModel;
        uno::Reference< io::XStream > m_xStream;
        SfxObjectShell* m_pObjectShell;

    public:
        OwnSubFilterService(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& aArguments)
            throw (uno::Exception, uno::RuntimeException);

        virtual ~OwnSubFilterService();

        // XFilter
        virtual sal_Bool SAL_CALL filter( const uno::Sequence< beans::PropertyValue >& aDescriptor ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
        virtual void SAL_CALL cancel() throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;

        // XServiceInfo
        virtual OUString SAL_CALL getImplementationName(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
        virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
        virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
    };

    OwnSubFilterService::OwnSubFilterService(const css::uno::Sequence< css::uno::Any >& aArguments)
        throw (uno::Exception, uno::RuntimeException)
        : m_pObjectShell( NULL )
    {
        if ( aArguments.getLength() != 2 )
            throw lang::IllegalArgumentException();

        if ( m_pObjectShell )
            throw frame::DoubleInitializationException();

        if ( ( aArguments[1] >>= m_xStream ) && m_xStream.is()
          && ( aArguments[0] >>= m_xModel ) && m_xModel.is() )
        {
            ::com::sun::star::uno::Reference < ::com::sun::star::lang::XUnoTunnel > xObj( m_xModel, uno::UNO_QUERY_THROW );
            ::com::sun::star::uno::Sequence < sal_Int8 > aSeq( SvGlobalName( SFX_GLOBAL_CLASSID ).GetByteSequence() );
            sal_Int64 nHandle = xObj->getSomething( aSeq );
            if ( nHandle )
                m_pObjectShell = reinterpret_cast< SfxObjectShell* >( sal::static_int_cast< sal_IntPtr >( nHandle ));
        }

        if ( !m_pObjectShell )
            throw lang::IllegalArgumentException();
    }

    OwnSubFilterService::~OwnSubFilterService()
    {
    }

    sal_Bool SAL_CALL OwnSubFilterService::filter( const uno::Sequence< beans::PropertyValue >& aDescriptor )
        throw (uno::RuntimeException, std::exception)
    {
        if ( !m_pObjectShell )
            throw uno::RuntimeException();

        return m_pObjectShell->ImportFromGeneratedStream_Impl( m_xStream, aDescriptor );
    }

    void SAL_CALL OwnSubFilterService::cancel()
        throw (uno::RuntimeException, std::exception)
    {
        // not implemented
    }

    OUString SAL_CALL OwnSubFilterService::getImplementationName()
        throw ( uno::RuntimeException, std::exception )
    {
        return OUString("com.sun.star.comp.document.OwnSubFilter");
    }

    sal_Bool SAL_CALL OwnSubFilterService::supportsService( const OUString& ServiceName )
        throw ( uno::RuntimeException, std::exception )
    {
        return cppu::supportsService(this, ServiceName);
    }

    uno::Sequence< OUString > SAL_CALL OwnSubFilterService::getSupportedServiceNames()
        throw ( uno::RuntimeException, std::exception )
    {
        uno::Sequence< OUString > aRet(2);
        aRet[0] = "com.sun.star.document.OwnSubFilter";
        aRet[1] = "com.sun.star.comp.document.OwnSubFilter";
        return aRet;
    }

    }

    extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * SAL_CALL
    com_sun_star_comp_document_OwnSubFilter_get_implementation(<--- The function 'com_sun_star_comp_document_OwnSubFilter_get_implementation' is never used.
        css::uno::XComponentContext *,
        css::uno::Sequence<css::uno::Any> const &arguments)
    {
        return cppu::acquire(new OwnSubFilterService(arguments));
    }

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