Example #1
0
File: text.cpp Project: KDE/klook
void MyText::setSource(const QString& source)
{
    if (m_source == source) {
        return;
    }
    m_source = source;

    QFile f(m_source);
    if (!f.open(QIODevice::ReadOnly | QIODevice::Text)) {
        return;
    }

    QByteArray data = f.readAll().data();
    KEncodingProber prober(KEncodingProber::Universal);
    prober.feed(data);

    QString str;
    if (prober.confidence() > 0.7) {
        str = QTextCodec::codecForName(prober.encoding())->toUnicode(data);
    }
    else {
        str = QString::fromUtf8(data);
    }

    m_viewer->setPlainText(str);

    emit sourceChanged();
    emit ready();
}
Example #2
0
bool probing_test(Epetra_CrsMatrix & in_mat, bool build_list){
  const Epetra_CrsGraph & graph=in_mat.Graph();

  Teuchos::ParameterList main, zoltan;

  if(build_list){
//     zoltan.set("DISTANCE","2");
    main.set("ZOLTAN",zoltan);
  }

  Isorropia::Epetra::Prober prober(Teuchos::rcp<const Epetra_CrsGraph>(&graph,false),main);
  Epetra_CrsMatrix out_mat(Copy,graph);
  int rv=prober.probe(in_mat,out_mat);
  if(rv!=0) {printf("ERROR: probing failed\n");return false;}
  
#ifdef HAVE_EPETRAEXT
  EpetraExt::MatrixMatrix::Add(in_mat,false,1,out_mat,-1);
  double nrm=out_mat.NormInf()/in_mat.NormInf();
  if(!in_mat.Comm().MyPID())
    printf("diff norm = %22.16e\n",nrm);
  if(nrm < 1e-12) return true;
  else return false;
#endif
  return true;
}
Example #3
0
KoFilter::ConversionStatus AsciiImport::convert(const QByteArray& from, const QByteArray& to)
{
    // check for proper conversion
    if (to != "application/vnd.oasis.opendocument.text" || from != "text/plain") {
        return KoFilter::NotImplemented;
    }

    QFile in(m_chain->inputFile());
    if (!in.open(QIODevice::ReadOnly)) {
        kError(30502) << "Unable to open input file!" << endl;
        in.close();
        return KoFilter::FileNotFound;
    }

#ifdef OUTPUT_AS_ODT_FILE
    
#else
    KoDocument* document = m_chain->outputDocument();
    if (!document)
        return KoFilter::StupidError;
    KWDocument *outputDoc = qobject_cast<KWDocument*>(document);
    outputDoc->setOutputMimeType(to);
    //outputDoc->setSaveInBatchMode(true);

    QPointer<KoUpdater> loadUpdater = outputDoc->progressUpdater()->startSubtask(2, "load");
    loadUpdater->setRange(0, in.size());

    QPointer<KoUpdater> layoutUpdater = outputDoc->progressUpdater()->startSubtask(3, "layout");
#endif

    // try to read 100000 bytes so we can be quite sure the guessed encoding is correct.
    // this code is inspired by the kate encoding guessing first try UTF-8
    QByteArray data = in.read(100000);
    in.seek(0);
    QTextCodec *codec = QTextCodec::codecForName("UTF-8");
    if (!checkEncoding(codec, data)) {
        KEncodingProber prober(KEncodingProber::Universal);
        prober.feed(data);
        kDebug(30502) << "guessed" << prober.encoding() << prober.confidence();
        if (prober.confidence() > 0.5)
            codec = QTextCodec::codecForName(prober.encoding());
        if (!codec || !checkEncoding(codec, data )) {
            codec = QTextCodec::codecForName("ISO 8859-15");
            if (!checkEncoding(codec, data))
                codec = QTextCodec::codecForName("UTF-8");
        }
    }

    int paragraphStrategy = 0;
    if (!m_chain->manager()->getBatchMode()) {
        QPointer<AsciiImportDialog> dialog = new AsciiImportDialog(codec->name(), QApplication::activeWindow());
        if (!dialog) { in.close(); return KoFilter::StupidError; }
        if (!dialog->exec()) { in.close(); return KoFilter::UserCancelled; }
        codec = dialog->getCodec();
        paragraphStrategy = dialog->getParagraphStrategy();
    }
    if (!codec) return KoFilter::StupidError;
    kDebug(30502) << "Charset used:" << codec->name();

#ifdef OUTPUT_AS_ODT_FILE
    KoStore *store = KoStore::createStore(m_chain->outputFile(), KoStore::Write, to, KoStore::Zip);
    if (!store || store->bad()) {
        kWarning(30502) << "Unable to open output file!";
        delete store;
        return KoFilter::FileNotFound;
    }
    store->disallowNameExpansion();
    kDebug(30502) << "created store.";
    KoOdfWriteStore odfStore(store);
    odfStore.manifestWriter(to);

    KoXmlWriter* contentWriter = odfStore.contentWriter();
    if (!contentWriter) {
        delete store;
        return KoFilter::CreationError;
    }

    KoGenStyles mainStyles;
    KoXmlWriter *bodyWriter = odfStore.bodyWriter();

    bodyWriter->startElement("office:body");
    bodyWriter->startElement("office:text");

    QString styleName("txt");
    KoGenStyle style(KoGenStyle::ParagraphStyle, "paragraph");
    style.addAttribute("style:display-name", styleName);
    style.addProperty("fo:font-family", "dejavu sans mono", KoGenStyle::TextType);
    style.addProperty("fo:font-family-generic", "modern", KoGenStyle::TextType);
    style.addProperty("fo:font-size", "10pt", KoGenStyle::TextType);

    style.addProperty("fo:font-weight", "normal", KoGenStyle::TextType);
    QString name(QString(QUrl::toPercentEncoding(styleName, "", " ")).replace('%', '_'));

    name = mainStyles.insert(style, name, KoGenStyles::DontAddNumberToName);
#else
    KoStyleManager *styleManager = outputDoc->resourceManager()->resource(KoText::StyleManager).value<KoStyleManager*>();
    KoParagraphStyle *p = styleManager->defaultParagraphStyle();
    p->setFontFamily("dejavu sans mono");
    p->setFontPointSize(10);
    p->setFontStyleHint(QFont::TypeWriter);

    outputDoc->appendPage();
    QTextDocument *doc = outputDoc->mainFrameSet()->document();
    //doc->setDefaultFont(p->font());

    KoTextDocumentLayout *lay = dynamic_cast<KoTextDocumentLayout*>(doc->documentLayout());
    Q_ASSERT(lay);
    lay->setBlockLayout(true);
    connect(lay, SIGNAL(layoutProgressChanged(int)), layoutUpdater, SLOT(setProgress(int)));

    QTextCursor cursor(doc);
    cursor.beginEditBlock();

    QTextCharFormat charFormat;
    ((KoCharacterStyle*)p)->applyStyle(charFormat);
    cursor.setCharFormat(charFormat);
#endif

    QTextStream stream(&in);
    Q_ASSERT(codec);
    stream.setCodec(codec);

    switch (paragraphStrategy) {
    case 1: { // Sentence: Line-break at the end of a sentence.
        QString stoppingPunctuation(".!?");
        QString skippingEnd(" \"')");
        while (!stream.atEnd()) {
            QString paragraph;
            for (;;) {
                const QString line = stream.readLine();
                if (line.isEmpty())
                    break;
                paragraph += line + ' ';
                int lastPos = line.length() - 1;
                int maxCheck = lastPos >= 10 ? 10: lastPos + 1;
                QChar lastChar;
                // Skip a maximum of 10 quotes (or similar) at the end of the line
                for (int i = 0; i < maxCheck; ++i, --lastPos) {
                    lastChar = line[lastPos];
                    if (lastPos == 0 || lastChar.isNull() || skippingEnd.indexOf(lastChar) == -1)
                        break;
                }
                lastChar = line[lastPos];
                if (lastChar.isNull())
                    continue;
                if (stoppingPunctuation.indexOf(lastChar) != -1)
                    break;
            }
            if (!paragraph.isNull()) {
                QString s = paragraph.simplified();
#ifdef OUTPUT_AS_ODT_FILE
                bodyWriter->startElement("text:p");
                bodyWriter->addAttribute("text:style-name", styleName);
                if (!s.isEmpty())
                    bodyWriter->addTextSpan(s);
                bodyWriter->endElement();
#else
                if (!s.isEmpty())
                    cursor.insertText(s /*, charFormat*/);
                cursor.insertBlock();
                loadUpdater->setValue(stream.device()->pos());
#endif
            }
        }
    } break;
    case 2: { // Empty Line: Line-break if the line is empty.  
        while (!stream.atEnd()) {
            QString paragraph;
            do {
                const QString line = stream.readLine();
                if (line.isEmpty())
                    break;
                paragraph.append(line + ' ');
            } while(true);
            if (!paragraph.isNull()) {
                QString s = paragraph.simplified();
#ifdef OUTPUT_AS_ODT_FILE
                bodyWriter->startElement("text:p");
                bodyWriter->addAttribute("text:style-name", styleName);
                if (!s.isEmpty())
                    bodyWriter->addTextSpan(s);
                bodyWriter->endElement();
#else
                if (!s.isEmpty()) {
                    cursor.insertText(s /*, charFormat*/);
                    cursor.insertBlock();
                    loadUpdater->setValue(stream.device()->pos());
                }
#endif
            }
        }
    } break;
    default: { // As Is: Line-break at the end of line.
        while (!stream.atEnd()) {
            QString s = stream.readLine();
#ifdef OUTPUT_AS_ODT_FILE
            bodyWriter->startElement("text:p");
            bodyWriter->addAttribute("text:style-name", styleName);
            if (!s.isEmpty())
                bodyWriter->addTextSpan(s);
            bodyWriter->endElement();
#else
            if (!s.isEmpty())
                cursor.insertText(s /*, charFormat*/);
            cursor.insertBlock();
            loadUpdater->setValue(stream.device()->pos());
#endif
        }
    } break;
    }

#ifdef OUTPUT_AS_ODT_FILE
    bodyWriter->endElement(); // office:text
    bodyWriter->endElement(); // office:body
    
    mainStyles.saveOdfStyles(KoGenStyles::DocumentAutomaticStyles, contentWriter);
    odfStore.closeContentWriter();

    odfStore.manifestWriter()->addManifestEntry("content.xml", "text/xml");
    if (!mainStyles.saveOdfStylesDotXml(odfStore.store(), odfStore.manifestWriter())) {
        delete store;
        return KoFilter::CreationError;
    }
    if (store->open("meta.xml")) {
        KoStoreDevice dev(store);
        KoXmlWriter* xmlWriter = KoOdfWriteStore::createOasisXmlWriter(&dev, "office:document-meta");
        xmlWriter->startElement("office:meta");
        xmlWriter->startElement("meta:generator");
        xmlWriter->addTextNode(QString("Calligra %1").arg(CALLIGRA_VERSION_STRING));
        xmlWriter->endElement();
        xmlWriter->startElement("meta:creation-date");
        xmlWriter->addTextNode(QDateTime::currentDateTime().toString(Qt::ISODate));
        xmlWriter->endElement();
        xmlWriter->endElement(); // office:meta
        xmlWriter->endElement(); // root element
        xmlWriter->endDocument();
        delete xmlWriter;
        if (store->close())
            odfStore.manifestWriter()->addManifestEntry("meta.xml", "text/xml" );
    }
    if (!odfStore.closeManifestWriter()) {
        kWarning() << "Error while trying to write 'META-INF/manifest.xml'. Partition full?";
        delete store;
        return KoFilter::CreationError;
    }
    delete store;
#else
    cursor.endEditBlock();
    lay->setBlockLayout(false);
    lay->layout();
#endif

    return KoFilter::OK;
}