C++ KoXmlDocument::documentElement方法代码示例

KoOasisSettings::KoOasisSettings(const KoXmlDocument& doc)
        : m_settingsElement(KoXml::namedItemNS(doc.documentElement(), KoXmlNS::office, "settings")),
        m_configNsUri(KoXmlNS::config)
        , d(0)
{
    const KoXmlElement contents = doc.documentElement();
    if (m_settingsElement.isNull())
        kDebug(30003) << " document doesn't have tag 'office:settings'";
}

KoShape *SvgShapeFactory::createShapeFromOdf(const KoXmlElement &element, KoShapeLoadingContext &context)
{
    const KoXmlElement & imageElement(KoXml::namedItemNS(element, KoXmlNS::draw, "image"));
    if (imageElement.isNull()) {
        kError(30006) << "svg image element not found";
        return 0;
    }

    if (imageElement.tagName() == "image") {
        kDebug(30006) << "trying to create shapes form svg image";
        QString href = imageElement.attribute("href");
        if (href.isEmpty())
            return 0;

        // check the mimetype
        if (href.startsWith("./")) {
            href.remove(0,2);
        }
        QString mimetype = context.odfLoadingContext().mimeTypeForPath(href);
        kDebug(30006) << mimetype;
        if (mimetype != "image/svg+xml")
            return 0;

        if (!context.odfLoadingContext().store()->open(href))
            return 0;

        KoStoreDevice dev(context.odfLoadingContext().store());
        KoXmlDocument xmlDoc;

        int line, col;
        QString errormessage;

        const bool parsed = xmlDoc.setContent(&dev, &errormessage, &line, &col);

        context.odfLoadingContext().store()->close();

        if (! parsed) {
            kError(30006) << "Error while parsing file: "
            << "at line " << line << " column: " << col
            << " message: " << errormessage << endl;
            return 0;
        }

        SvgParser parser(context.documentResourceManager());

        QList<KoShape*> shapes = parser.parseSvg(xmlDoc.documentElement());
        if (shapes.isEmpty())
            return 0;
        if (shapes.count() == 1)
            return shapes.first();

        KoShapeGroup *svgGroup = new KoShapeGroup;
        KoShapeGroupCommand cmd(svgGroup, shapes);
        cmd.redo();

        return svgGroup;
    }

    return 0;
}

void TestKoShapeFactory::testOdfElement()
{
    KoShapeFactoryBase * factory = new KoPathShapeFactory(QStringList());
    QVERIFY(factory->odfElements().front().second.contains("path"));
    QVERIFY(factory->odfElements().front().second.contains("line"));
    QVERIFY(factory->odfElements().front().second.contains("polyline"));
    QVERIFY(factory->odfElements().front().second.contains("polygon"));
    QVERIFY(factory->odfElements().front().first == KoXmlNS::draw);

    QBuffer xmldevice;
    xmldevice.open(QIODevice::WriteOnly);
    QTextStream xmlstream(&xmldevice);

    xmlstream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
    xmlstream << "<office:document-content xmlns:office=\"urn:oasis:names:tc:opendocument:xmlns:office:1.0\" xmlns:meta=\"urn:oasis:names:tc:opendocument:xmlns:meta:1.0\" xmlns:config=\"urn:oasis:names:tc:opendocument:xmlns:config:1.0\" xmlns:text=\"urn:oasis:names:tc:opendocument:xmlns:text:1.0\" xmlns:table=\"urn:oasis:names:tc:opendocument:xmlns:table:1.0\" xmlns:draw=\"urn:oasis:names:tc:opendocument:xmlns:drawing:1.0\" xmlns:presentation=\"urn:oasis:names:tc:opendocument:xmlns:presentation:1.0\" xmlns:dr3d=\"urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0\" xmlns:chart=\"urn:oasis:names:tc:opendocument:xmlns:chart:1.0\" xmlns:form=\"urn:oasis:names:tc:opendocument:xmlns:form:1.0\" xmlns:script=\"urn:oasis:names:tc:opendocument:xmlns:script:1.0\" xmlns:style=\"urn:oasis:names:tc:opendocument:xmlns:style:1.0\" xmlns:number=\"urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0\" xmlns:math=\"http://www.w3.org/1998/Math/MathML\" xmlns:svg=\"urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0\" xmlns:fo=\"urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0\" xmlns:koffice=\"http://www.koffice.org/2005/\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">";
    xmlstream << "<office:body>";
    xmlstream << "<office:text>";
    xmlstream << "<text:p text:style-name=\"P1\"><?opendocument cursor-position?></text:p>";
    xmlstream << "<draw:path svg:d=\"M10,10L100,100\"></draw:path>";
    xmlstream << "</office:text>";
    xmlstream << "</office:body>";
    xmlstream << "</office:document-content>";
    xmldevice.close();

    KoXmlDocument doc;
    QString errorMsg;
    int errorLine = 0;
    int errorColumn = 0;

    QCOMPARE(doc.setContent(&xmldevice, true, &errorMsg, &errorLine, &errorColumn), true);
    QCOMPARE(errorMsg.isEmpty(), true);
    QCOMPARE(errorLine, 0);
    QCOMPARE(errorColumn, 0);

    KoXmlElement contentElement = doc.documentElement();
    KoXmlElement bodyElement = contentElement.firstChild().toElement();

    // XXX: When loading is implemented, these no doubt have to be
    // sensibly filled.
    KoOdfStylesReader stylesReader;
    KoOdfLoadingContext odfContext(stylesReader, 0);
    KoShapeLoadingContext shapeContext(odfContext, 0);

    KoXmlElement textElement = bodyElement.firstChild().firstChild().toElement();
    QVERIFY(textElement.tagName() == "p");
    QCOMPARE(factory->supports(textElement, shapeContext), false);

    KoXmlElement pathElement = bodyElement.firstChild().lastChild().toElement();
    QVERIFY(pathElement.tagName() == "path");
    QCOMPARE(factory->supports(pathElement, shapeContext), true);

    KoShape *shape = factory->createDefaultShape();
    QVERIFY(shape);

    QVERIFY(shape->loadOdf(pathElement, shapeContext));

    delete shape;
    delete factory;
}

KoFilterEffectStack * FilterEffectResource::toFilterStack() const
{
    KoFilterEffectStack * filterStack = new KoFilterEffectStack();
    if (!filterStack)
        return 0;

    QByteArray data = m_data.toByteArray();
    KoXmlDocument doc;
    doc.setContent(data);
    KoXmlElement e = doc.documentElement();

    // only allow obect bounding box units
    if (e.hasAttribute("filterUnits") && e.attribute("filterUnits") != "objectBoundingBox")
        return 0;

    if (e.attribute("primitiveUnits") != "objectBoundingBox")
        return 0;

    // parse filter region rectangle
    QRectF filterRegion;
    filterRegion.setX(fromPercentage(e.attribute("x", "-0.1")));
    filterRegion.setY(fromPercentage(e.attribute("y", "-0.1")));
    filterRegion.setWidth(fromPercentage(e.attribute("width", "1.2")));
    filterRegion.setHeight(fromPercentage(e.attribute("height", "1.2")));
    filterStack->setClipRect(filterRegion);

    KoFilterEffectLoadingContext context(QString(""));

    KoFilterEffectRegistry * registry = KoFilterEffectRegistry::instance();

    // create the filter effects and add them to the shape
    for (KoXmlNode n = e.firstChild(); !n.isNull(); n = n.nextSibling()) {
        KoXmlElement primitive = n.toElement();
        KoFilterEffect * filterEffect = registry->createFilterEffectFromXml(primitive, context);
        if (!filterEffect) {
            qWarning() << "filter effect" << primitive.tagName() << "is not implemented yet";
            continue;
        }

        // parse subregion
        qreal x = fromPercentage(primitive.attribute("x", "0"));
        qreal y = fromPercentage(primitive.attribute("y", "0"));
        qreal w = fromPercentage(primitive.attribute("width", "1"));
        qreal h = fromPercentage(primitive.attribute("height", "1"));
        QRectF subRegion(QPointF(x, y), QSizeF(w, h));

        if (primitive.hasAttribute("in"))
            filterEffect->setInput(0, primitive.attribute("in"));
        if (primitive.hasAttribute("result"))
            filterEffect->setOutput(primitive.attribute("result"));

        filterEffect->setFilterRect(subRegion);

        filterStack->appendFilterEffect(filterEffect);
    }

    return filterStack;
}

static QRectF layout(BasicElement* element, const QString& input)
{
    KoXmlDocument doc;
    doc.setContent( input );
    element->readMathML(doc.documentElement());
    AttributeManager am;
    element->layout( &am );
    return element->boundingRect();
}

bool KraConverter::loadXML(const KoXmlDocument &doc, KoStore *store)
{
    Q_UNUSED(store);

    KoXmlElement root;
    KoXmlNode node;

    if (doc.doctype().name() != "DOC") {
       m_doc->setErrorMessage(i18n("The format is not supported or the file is corrupted"));
        return false;
    }
    root = doc.documentElement();
    int syntaxVersion = root.attribute("syntaxVersion", "3").toInt();
    if (syntaxVersion > 2) {
       m_doc->setErrorMessage(i18n("The file is too new for this version of Krita (%1).", syntaxVersion));
        return false;
    }

    if (!root.hasChildNodes()) {
       m_doc->setErrorMessage(i18n("The file has no layers."));
        return false;
    }

    m_kraLoader = new KisKraLoader(m_doc, syntaxVersion);

    // Legacy from the multi-image .kra file period.
    for (node = root.firstChild(); !node.isNull(); node = node.nextSibling()) {
        if (node.isElement()) {
            if (node.nodeName() == "IMAGE") {
                KoXmlElement elem = node.toElement();
                if (!(m_image = m_kraLoader->loadXML(elem))) {
                    if (m_kraLoader->errorMessages().isEmpty()) {
                        m_doc->setErrorMessage(i18n("Unknown error."));
                    }
                    else {
                        m_doc->setErrorMessage(m_kraLoader->errorMessages().join(".\n"));
                    }
                    return false;
                }
                return true;
            }
            else {
                if (m_kraLoader->errorMessages().isEmpty()) {
                    m_doc->setErrorMessage(i18n("The file does not contain an image."));
                }
                return false;
            }
        }
    }
    return false;
}

void TestKoShapeRegistry::testCreateFramedShapes()
{
    QBuffer xmldevice;
    xmldevice.open(QIODevice::WriteOnly);
    QTextStream xmlstream(&xmldevice);

    xmlstream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
    xmlstream << "<office:document-content xmlns:office=\"urn:oasis:names:tc:opendocument:xmlns:office:1.0\" xmlns:meta=\"urn:oasis:names:tc:opendocument:xmlns:meta:1.0\" xmlns:config=\"urn:oasis:names:tc:opendocument:xmlns:config:1.0\" xmlns:text=\"urn:oasis:names:tc:opendocument:xmlns:text:1.0\" xmlns:table=\"urn:oasis:names:tc:opendocument:xmlns:table:1.0\" xmlns:draw=\"urn:oasis:names:tc:opendocument:xmlns:drawing:1.0\" xmlns:presentation=\"urn:oasis:names:tc:opendocument:xmlns:presentation:1.0\" xmlns:dr3d=\"urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0\" xmlns:chart=\"urn:oasis:names:tc:opendocument:xmlns:chart:1.0\" xmlns:form=\"urn:oasis:names:tc:opendocument:xmlns:form:1.0\" xmlns:script=\"urn:oasis:names:tc:opendocument:xmlns:script:1.0\" xmlns:style=\"urn:oasis:names:tc:opendocument:xmlns:style:1.0\" xmlns:number=\"urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0\" xmlns:math=\"http://www.w3.org/1998/Math/MathML\" xmlns:svg=\"urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0\" xmlns:fo=\"urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0\" xmlns:calligra=\"http://www.calligra.org/2005/\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">";
    xmlstream << "<office:body>";
    xmlstream << "<office:text>";
    xmlstream << "<draw:path svg:d=\"M0,0L100,100\"></draw:path>";
    xmlstream << "</office:text>";
    xmlstream << "</office:body>";
    xmlstream << "</office:document-content>";
    xmldevice.close();

    KoXmlDocument doc;
    QString errorMsg;
    int errorLine = 0;
    int errorColumn = 0;

    QCOMPARE(doc.setContent(&xmldevice, true, &errorMsg, &errorLine, &errorColumn), true);
    QCOMPARE(errorMsg.isEmpty(), true);
    QCOMPARE(errorLine, 0);
    QCOMPARE(errorColumn, 0);

    KoXmlElement contentElement = doc.documentElement();
    KoXmlElement bodyElement = contentElement.firstChild().toElement();

    KoShapeRegistry * registry = KoShapeRegistry::instance();

    // XXX: When loading is implemented, these no doubt have to be
    // sensibly filled.
    KoOdfStylesReader stylesReader;
    KoOdfLoadingContext odfContext(stylesReader, 0);
    KoShapeLoadingContext shapeContext(odfContext, 0);

    KoShape * shape = registry->createShapeFromOdf(bodyElement, shapeContext);
    QVERIFY(shape == 0);

    KoXmlElement pathElement = bodyElement.firstChild().firstChild().toElement();
    shape = registry->createShapeFromOdf(pathElement, shapeContext);
    QVERIFY(shape != 0);
    QVERIFY(shape->shapeId() == KoPathShapeId);
}

void KisKraLoadVisitor::loadNodeKeyframes(KisNode *node)
{
    if (!m_keyframeFilenames.contains(node)) return;

    node->enableAnimation();

    const QString &location = getLocation(m_keyframeFilenames[node]);

    if (!m_store->open(location)) {
        m_errorMessages << i18n("Could not load keyframes from %1.", location);
        return;
    }

    QString errorMsg;
    int errorLine;
    int errorColumn;
    KoXmlDocument doc = KoXmlDocument(true);

    bool ok = doc.setContent(m_store->device(), &errorMsg, &errorLine, &errorColumn);
    m_store->close();

    if (!ok) {
        m_errorMessages << i18n("parsing error in the keyframe file %1 at line %2, column %3\nError message: %4", location, errorLine, errorColumn, i18n(errorMsg.toUtf8()));
        return;
    }

    QDomDocument dom;
    KoXml::asQDomElement(dom, doc.documentElement());
    QDomElement root = dom.firstChildElement();

    for (QDomElement child = root.firstChildElement(); !child.isNull(); child = child.nextSiblingElement()) {
        if (child.nodeName().toUpper() == "CHANNEL") {
            QString id = child.attribute("name");
            KisKeyframeChannel *channel = node->getKeyframeChannel(id, true);

            if (!channel) {
                m_errorMessages << i18n("unknown keyframe channel type: %1 in %2", id, location);
                continue;
            }

            channel->loadXML(child);
        }
    }
}

// static
bool PasteCommand::unknownShiftDirection(const QMimeData *mimeData)
{
    if (!mimeData) {
        return false;
    }

    QByteArray byteArray;

    if (mimeData->hasFormat("application/x-kspread-snippet")) {
        byteArray = mimeData->data("application/x-kspread-snippet");
    } else {
        return false;
    }

    QString errorMsg;
    int errorLine;
    int errorColumn;
    KoXmlDocument d;
    if (!d.setContent(byteArray, false, &errorMsg, &errorLine, &errorColumn)) {
        // an error occurred
        kDebug() << "An error occurred."
        << "line:" << errorLine << "col:" << errorColumn << errorMsg;
        return false;
    }

    KoXmlElement e = d.documentElement();
    if (!e.namedItem("columns").toElement().isNull()) {
        return false;
    }

    if (!e.namedItem("rows").toElement().isNull()) {
        return false;
    }

    KoXmlElement c = e.firstChild().toElement();
    for (; !c.isNull(); c = c.nextSibling().toElement()) {
        if (c.tagName() == "cell") {
            return true;
        }
    }
    return false;
}

bool Doc::loadXML(const KoXmlDocument& doc, KoStore*)
{
    QPointer<KoUpdater> updater;
    if (progressUpdater()) {
        updater = progressUpdater()->startSubtask(1, "KSpread::Doc::loadXML");
        updater->setProgress(0);
    }

    d->spellListIgnoreAll.clear();
    // <spreadsheet>
    KoXmlElement spread = doc.documentElement();

    if (spread.attribute("mime") != "application/x-kspread" && spread.attribute("mime") != "application/vnd.kde.kspread") {
        setErrorMessage(i18n("Invalid document. Expected mimetype application/x-kspread or application/vnd.kde.kspread, got %1" , spread.attribute("mime")));
        return false;
    }

    bool ok = false;
    int version = spread.attribute("syntaxVersion").toInt(&ok);
    map()->setSyntaxVersion(ok ? version : 0);
    if (map()->syntaxVersion() > CURRENT_SYNTAX_VERSION) {
        int ret = KMessageBox::warningContinueCancel(
                      0, i18n("This document was created with a newer version of Calligra Sheets (syntax version: %1)\n"
                              "When you open it with this version of Calligra Sheets, some information may be lost.", map()->syntaxVersion()),
                      i18n("File Format Mismatch"), KStandardGuiItem::cont());
        if (ret == KMessageBox::Cancel) {
            setErrorMessage("USER_CANCELED");
            return false;
        }
    }

    // <locale>
    KoXmlElement loc = spread.namedItem("locale").toElement();
    if (!loc.isNull())
        static_cast<Localization*>(map()->calculationSettings()->locale())->load(loc);

    if (updater) updater->setProgress(5);

    KoXmlElement defaults = spread.namedItem("defaults").toElement();
    if (!defaults.isNull()) {
        double dim = defaults.attribute("row-height").toDouble(&ok);
        if (!ok)
            return false;
        map()->setDefaultRowHeight(dim);

        dim = defaults.attribute("col-width").toDouble(&ok);

        if (!ok)
            return false;

        map()->setDefaultColumnWidth(dim);
    }

    KoXmlElement ignoreAll = spread.namedItem("SPELLCHECKIGNORELIST").toElement();
    if (!ignoreAll.isNull()) {
        KoXmlElement spellWord = spread.namedItem("SPELLCHECKIGNORELIST").toElement();

        spellWord = spellWord.firstChild().toElement();
        while (!spellWord.isNull()) {
            if (spellWord.tagName() == "SPELLCHECKIGNOREWORD") {
                d->spellListIgnoreAll.append(spellWord.attribute("word"));
            }
            spellWord = spellWord.nextSibling().toElement();
        }
    }

    if (updater) updater->setProgress(40);
    // In case of reload (e.g. from konqueror)
    qDeleteAll(map()->sheetList());
    map()->sheetList().clear();

    KoXmlElement styles = spread.namedItem("styles").toElement();
    if (!styles.isNull()) {
        if (!map()->styleManager()->loadXML(styles)) {
            setErrorMessage(i18n("Styles cannot be loaded."));
            return false;
        }
    }

    // <map>
    KoXmlElement mymap = spread.namedItem("map").toElement();
    if (mymap.isNull()) {
        setErrorMessage(i18n("Invalid document. No map tag."));
        return false;
    }
    if (!map()->loadXML(mymap)) {
        return false;
    }

    // named areas
    const KoXmlElement areaname = spread.namedItem("areaname").toElement();
    if (!areaname.isNull())
        map()->namedAreaManager()->loadXML(areaname);

    //Backwards compatibility with older versions for paper layout
    if (map()->syntaxVersion() < 1) {
        KoXmlElement paper = spread.namedItem("paper").toElement();
        if (!paper.isNull()) {
            loadPaper(paper);
        }
//.........这里部分代码省略.........

void CellTest::testRichText()
{
    KoOdfStylesReader stylesReader;

    QBuffer buffer;
    buffer.open(QIODevice::ReadOnly);
    KoStore *store = KoStore::createStore(&buffer, KoStore::Read);

    KoOdfLoadingContext odfContext(stylesReader, store);
    OdfLoadingContext context(odfContext);

    KoDocumentResourceManager documentResources;
    KoShapeLoadingContext shapeContext(odfContext, &documentResources);
    context.shapeContext = &shapeContext;

    Styles autoStyles;
    QString cellStyleName;

    Map map;
    Sheet* sheet = map.addNewSheet();
    CellStorage* storage = sheet->cellStorage();
    storage->setValue(1, 1, Value(1));

    Cell cell = storage->firstInRow(1);
    QVERIFY(!cell.isNull());

    { // Test the simple case. Only one paragraph with some simple text.
        KoXmlDocument doc = xmlDocument("<text:p>Some text</text:p>");
        KoXmlElement e = doc.documentElement();
        QVERIFY(!e.isNull());
        cell.loadOdfCellText(e, context, autoStyles, cellStyleName);
        QVERIFY(!cell.isNull());
        QVERIFY(!cell.richText());
        QVERIFY(cell.userInput().split('\n').count() == 1);
    }

    { // Text in the paragraph and in a child text:span means rich-text.
        KoXmlDocument doc = xmlDocument("<text:p>First<text:span>Second<text:span>Theird</text:span></text:span></text:p>");
        KoXmlElement e = doc.documentElement();
        QVERIFY(!e.isNull());
        cell.loadOdfCellText(e, context, autoStyles, cellStyleName);
        QVERIFY(!cell.isNull());
        QVERIFY(cell.richText());
        QVERIFY(cell.userInput().split('\n').count() == 1);
    }

    { // The text:line-break should be translated into a \n newline and since there is no other rich-text it should not be detected as such.
        KoXmlDocument doc = xmlDocument("<text:p>First<text:line-break/>Second</text:p>");
        KoXmlElement e = doc.documentElement();
        QVERIFY(!e.isNull());
        cell.loadOdfCellText(e, context, autoStyles, cellStyleName);
        QVERIFY(!cell.isNull());
        QVERIFY(!cell.richText());
        QVERIFY(cell.userInput().split('\n').count() == 2);
    }

    { // The text:s and text:tab should be translated into space and tabulator. No rich-text else.
        KoXmlDocument doc = xmlDocument("<text:p>First<text:s/>Second<text:tab/>Theird</text:p>");
        KoXmlElement e = doc.documentElement();
        QVERIFY(!e.isNull());
        cell.loadOdfCellText(e, context, autoStyles, cellStyleName);
        QVERIFY(!cell.isNull());
        QVERIFY(!cell.richText());
        QVERIFY(cell.userInput().split('\n').count() == 1);
    }
}

static void load(BasicElement* element, const QString& input)
{
    KoXmlDocument doc;
    doc.setContent( input );
    element->readMathML(doc.documentElement());
}