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#include "docxexportfilter.hxx"
#include "rtfexportfilter.hxx"
#include "rtfimportfilter.hxx"
#include "docxexport.hxx"

#include <docsh.hxx>
#include <editsh.hxx>
#include <pam.hxx>
#include <unotxdoc.hxx>

#include <cppuhelper/implementationentry.hxx>

using namespace ::comphelper;
using namespace ::com::sun::star;
using ::rtl::OUString;

DocxExportFilter::DocxExportFilter( const uno::Reference< uno::XComponentContext >& xContext )
    : oox::core::XmlFilterBase( xContext )
{
}

bool DocxExportFilter::exportDocument()
{
    OSL_TRACE( "DocxExportFilter::exportDocument()\n" ); // DEBUG remove me

    // get SwDoc*
    uno::Reference< uno::XInterface > xIfc( getModel(), uno::UNO_QUERY );
    SwXTextDocument *pTxtDoc = dynamic_cast< SwXTextDocument * >( xIfc.get() );
    if ( !pTxtDoc )
        return false;

    SwDoc *pDoc = pTxtDoc->GetDocShell()->GetDoc();
    if ( !pDoc )
        return false;

    // update layout (if present), for SwWriteTable
    ViewShell* pViewShell = NULL;
    pDoc->GetEditShell(&pViewShell);
    if (pViewShell != NULL)
        pViewShell->CalcLayout();

    // get SwPaM*
    // FIXME so far we get SwPaM for the entire document; probably we should
    // be able to output just the selection as well - though no idea how to
    // get the correct SwPaM* then...
    SwPaM aPam( pDoc->GetNodes().GetEndOfContent() );
    aPam.SetMark();
    aPam.Move( fnMoveBackward, fnGoDoc );

    SwPaM *pCurPam = new SwPaM( *aPam.End(), *aPam.Start() );

    // export the document
    // (in a separate block so that it's destructed before the commit)
    {
        DocxExport aExport( this, pDoc, pCurPam, &aPam );
        aExport.ExportDocument( true ); // FIXME support exporting selection only
    }

    commitStorage();

    // delete the pCurPam
    if ( pCurPam )
    {
        while ( pCurPam->GetNext() != pCurPam )
            delete pCurPam->GetNext();
        delete pCurPam;
    }

    return true;
}

//////////////////////////////////////////////////////////////////////////
// UNO stuff so that the filter is registered
//////////////////////////////////////////////////////////////////////////

#define IMPL_NAME "com.sun.star.comp.Writer.DocxExport"

OUString DocxExport_getImplementationName()
{
    return OUString( IMPL_NAME );
}

OUString DocxExportFilter::implGetImplementationName() const
{
    return DocxExport_getImplementationName();
}

uno::Sequence< OUString > SAL_CALL DocxExport_getSupportedServiceNames() throw()
{
    const OUString aServiceName( "com.sun.star.document.ExportFilter" );
    const uno::Sequence< OUString > aSeq( &aServiceName, 1 );
    return aSeq;
}

uno::Reference< uno::XInterface > SAL_CALL DocxExport_createInstance(const uno::Reference< uno::XComponentContext > & xCtx ) throw( uno::Exception )
{
    return (cppu::OWeakObject*) new DocxExportFilter( xCtx );
}

extern "C"
{

::cppu::ImplementationEntry entries [] =
{
    {
        DocxExport_createInstance, DocxExport_getImplementationName,
        DocxExport_getSupportedServiceNames, ::cppu::createSingleComponentFactory,
        0, 0
    },
    {
        RtfExport_createInstance, RtfExport_getImplementationName,
        RtfExport_getSupportedServiceNames, ::cppu::createSingleComponentFactory,
        0, 0
    },
    {
        RtfImport_createInstance, RtfImport_getImplementationName,
        RtfImport_getSupportedServiceNames, ::cppu::createSingleComponentFactory,
        0, 0
    },
    { 0, 0, 0, 0, 0, 0 }
};

SAL_DLLPUBLIC_EXPORT void* SAL_CALL msword_component_getFactory( const sal_Char* pImplName, void* pServiceManager, void* pRegistryKey )
{
    return ::cppu::component_getFactoryHelper( pImplName, pServiceManager, pRegistryKey, entries );
}

} // extern "C"

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