C++ PD_Document::getDocumentRDF方法代码示例

PD_DocumentRDFHandle
AP_Dialog_RDFEditor::getRDF()
{
    FV_View* view = getView();
    PD_Document* doc = view->getDocument();
    PD_DocumentRDFHandle rdf = doc->getDocumentRDF();
    return rdf;
}

bool IE_Imp_OpenDocument::pasteFromBuffer(PD_DocumentRange * pDocRange,
				    const unsigned char * pData, 
				    UT_uint32 lenData, 
					  const char * /*szEncoding*/)
{
    UT_return_val_if_fail(getDoc() == pDocRange->m_pDoc,false);
    UT_return_val_if_fail(pDocRange->m_pos1 == pDocRange->m_pos2,false);
	
    PD_Document * newDoc = new PD_Document();
    newDoc->createRawDocument();
    IE_Imp_OpenDocument * pODImp = new IE_Imp_OpenDocument(newDoc);
    //
    // Turn pData into something that can be imported by the open documenb
    // importer.
    //
    GsfInput * pInStream =  gsf_input_memory_new((const guint8 *) pData, 
						 (gsf_off_t) lenData,
						 FALSE);
    pODImp->loadFile(newDoc, pInStream);
    // pInStream deleted after load.
    newDoc->finishRawCreation();

    // Handle RDF for the newdoc
    {
        PD_DocumentRDFHandle rdf = newDoc->getDocumentRDF();
        rdf->dumpModel("about to broadcast...");
        PD_DocumentRDFMutationHandle m = getDoc()->getDocumentRDF()->createMutation();
        m->add( rdf );
        m->commit();
    }
    
    //
    // OK Broadcast from the just filled source document into our current
    // doc via the paste listener
    //
    IE_Imp_PasteListener * pPasteListen = new  IE_Imp_PasteListener(getDoc(),pDocRange->m_pos1,newDoc);
    newDoc->tellListener(static_cast<PL_Listener *>(pPasteListen));
    delete pPasteListen;
    delete pODImp;
    UNREFP( newDoc);
    return true;
}

/*!
 * This method copies the selection defined by pDocRange to ODT format
 * placed in the ByteBuf bufODT
 */
UT_Error IE_Exp_OpenDocument::copyToBuffer(PD_DocumentRange * pDocRange,UT_ByteBuf *  bufODT)
{
    //
    // First export selected range to a tempory document
    //
    PD_Document * outDoc = new PD_Document();
    outDoc->createRawDocument();
    IE_Exp_DocRangeListener * pRangeListener = new IE_Exp_DocRangeListener(pDocRange,outDoc);
    UT_DEBUGMSG(("DocumentRange low %d High %d \n",pDocRange->m_pos1,pDocRange->m_pos2));
    PL_ListenerCoupleCloser* pCloser = new PL_ListenerCoupleCloser();
    pDocRange->m_pDoc->tellListenerSubset(pRangeListener,pDocRange,pCloser);
    if( pCloser)
        delete pCloser;
    
    //
    // Grab the RDF triples while we are copying...
    //
    if( PD_DocumentRDFHandle outrdf = outDoc->getDocumentRDF() )
    {

        std::set< std::string > xmlids;
        PD_DocumentRDFHandle inrdf = pDocRange->m_pDoc->getDocumentRDF();
        inrdf->addRelevantIDsForRange( xmlids, pDocRange );

        if( !xmlids.empty() )
        {
            UT_DEBUGMSG(("MIQ: ODF export creating restricted RDF model xmlids.sz:%ld \n",(long)xmlids.size()));
            PD_RDFModelHandle subm = inrdf->createRestrictedModelForXMLIDs( xmlids );
            PD_DocumentRDFMutationHandle m = outrdf->createMutation();
            m->add( subm );
            m->commit();
            subm->dumpModel("copied rdf triples subm");
            outrdf->dumpModel("copied rdf triples result");
        }
        
        // PD_DocumentRDFMutationHandle m = outrdf->createMutation();
        // m->add( PD_URI("http://www.example.com/foo"),
        //         PD_URI("http://www.example.com/bar"),
        //         PD_Literal("copyToBuffer path") );
        // m->commit();
    }
    outDoc->finishRawCreation();
    //
    // OK now we have a complete and valid document containing our selected 
    // content. We export this to an in memory GSF buffer
    //
    IE_Exp * pNewExp = NULL; 
    char *szTempFileName = NULL;
    GError *err = NULL;
    g_file_open_tmp ("XXXXXX", &szTempFileName, &err);
    GsfOutput * outBuf =  gsf_output_stdio_new (szTempFileName,&err);
    IEFileType ftODT = IE_Exp::fileTypeForMimetype("application/vnd.oasis.opendocument.text");
    UT_Error aerr = IE_Exp::constructExporter(outDoc,outBuf,
					     ftODT,&pNewExp);
    if(pNewExp == NULL)
    {
         return aerr;
    }
    aerr = pNewExp->writeFile(szTempFileName);
    if(aerr != UT_OK)
    {
	delete pNewExp;
	delete pRangeListener;
	UNREFP( outDoc);
	g_remove(szTempFileName);
	g_free (szTempFileName);
	return aerr;
    }
    //
    // File is closed at the end of the export. Open it again.
    //

    GsfInput *  fData = gsf_input_stdio_new(szTempFileName,&err);
    UT_DebugOnly<UT_sint32> siz = gsf_input_size(fData);
    const UT_Byte * pData = gsf_input_read(fData,gsf_input_size(fData),NULL);
    UT_DEBUGMSG(("Writing %d bytes to clipboard \n", (UT_sint32)siz));
    bufODT->append( pData, gsf_input_size(fData));
    
    delete pNewExp;
    delete pRangeListener;
    UNREFP( outDoc);
    g_remove(szTempFileName);
    g_free (szTempFileName);
    return aerr;
}