converter.cpp

qt-x11-opensource-src-4.1.4.tar.gz源码

        DomProperty *prop = 0;

        // sizeHint
        prop = new DomProperty();
        prop->setAttributeName(QLatin1String("sizeHint"));
        prop->setElementSize(new DomSize());
        prop->elementSize()->setElementWidth(size.width);
        prop->elementSize()->setElementHeight(size.height);
        properties.append(prop);

        // sizeType
        prop = new DomProperty();
        prop->setAttributeName(QLatin1String("sizeType"));
        prop->setElementEnum(sizeType);
        properties.append(prop);

        // orientation
        prop = new DomProperty();
        prop->setAttributeName(QLatin1String("orientation"));
        prop->setElementEnum(orientation);
        properties.append(prop);

        ui_spacer->setElementProperty(properties);
        lay_item->setElementSpacer(ui_spacer);
    } else {
        DomLayout *ui_layout = createLayout(e);
        Q_ASSERT(ui_layout != 0);

        fixLayoutMargin(ui_layout);
        lay_item->setElementLayout(ui_layout);
    }

    if (e.hasAttribute(QLatin1String("row")))
        lay_item->setAttributeRow(e.attribute(QLatin1String("row")).toInt());
    if (e.hasAttribute(QLatin1String("column")))
        lay_item->setAttributeColumn(e.attribute(QLatin1String("column")).toInt());
    if (e.hasAttribute(QLatin1String("rowspan")))
        lay_item->setAttributeRowSpan(e.attribute(QLatin1String("rowspan")).toInt());
    if (e.hasAttribute(QLatin1String("colspan")))
        lay_item->setAttributeColSpan(e.attribute(QLatin1String("colspan")).toInt());

    return lay_item;
}

void Ui3Reader::fixLayoutMargin(DomLayout *ui_layout)
{
    bool hasMargin = false;
    QList<DomProperty*> properties = ui_layout->elementProperty();
    foreach (DomProperty *p, properties) {
        if (p->attributeName() == QLatin1String("margin"))
            hasMargin = true;
    }

    if (!hasMargin) {
        DomProperty *margin = new DomProperty();
        margin->setAttributeName(QLatin1String("margin"));
        margin->setElementNumber(0);
        properties.append(margin);
        ui_layout->setElementProperty(properties);
    }
}

void Ui3Reader::findDerivedFontProperties(const QDomElement &n, DomFont &result) const
{
    bool italic = false;
    bool bold = false;
    bool underline = false;
    bool strikeout = false;

    QDomNode pn = n.parentNode();
    while(!pn.isNull()) {
        for (QDomElement e=pn.firstChild().toElement(); !e.isNull(); e = e.nextSibling().toElement()) {
            if (e.tagName().toLower() == QLatin1String("property") &&
                e.attribute(QLatin1String("name")) == QLatin1String("font")) {
                QDomElement f = e.firstChild().toElement();
                for (QDomElement fp = f.firstChild().toElement(); !fp.isNull(); fp = fp.nextSibling().toElement()) {
                    QString name = fp.tagName().toLower();
                    QString text = fp.text();
                    if (!italic && name == QLatin1String("italic")) {
                        italic = true;
                        if (text == QLatin1String("true") || text == QLatin1String("1"))
                            result.setElementItalic(true);
                    } else if (!bold && name == QLatin1String("bold")) {
                        bold = true;
                        if (text == QLatin1String("true") || text == QLatin1String("1"))
                            result.setElementBold(true);
                    } else if (!underline && name == QLatin1String("underline")) {
                        underline = true;
                        if (text == QLatin1String("true") || text == QLatin1String("1"))
                            result.setElementUnderline(true);
                    } else if (!strikeout && name == QLatin1String("strikeout")) {
                        strikeout = true;
                        if (text == QLatin1String("true") || text == QLatin1String("1"))
                            result.setElementStrikeOut(true);
                    } else if (name == QLatin1String("family")) {
                        if (result.elementFamily().isEmpty())
                            result.setElementFamily(text.toAscii());
                    } else if (name == QLatin1String("pointsize")) {
                        if (!result.elementPointSize())
                            result.setElementPointSize(text.toInt());
                    }
                }
            }
        }
        pn = pn.parentNode();
    }
}

void Ui3Reader::createProperties(const QDomElement &n, QList<DomProperty*> *properties,
                                 const QString &className)
{
    QString objectName;

    for (QDomElement e=n.firstChild().toElement(); !e.isNull(); e = e.nextSibling().toElement()) {
        if (e.tagName().toLower() == QLatin1String("property")) {
            QString name = e.attribute(QLatin1String("name"));

            // changes in QPalette
            if (name == QLatin1String("colorGroup")
                    || name == QLatin1String("paletteForegroundColor")
                    || name == QLatin1String("paletteBackgroundColor")
                    || name == QLatin1String("backgroundMode")
                    || name == QLatin1String("backgroundOrigin")
                    || name == QLatin1String("paletteBackgroundPixmap")
                    || name == QLatin1String("backgroundBrush")) {
                errorInvalidProperty(name, objectName, className);
                continue;
            }

            // changes in QFrame
            if (name == QLatin1String("contentsRect")) {
                errorInvalidProperty(name, objectName, className);
                continue;
            }

            // changes in QWidget
            if (name == QLatin1String("underMouse")
                    || name == QLatin1String("ownFont")) {
                errorInvalidProperty(name, objectName, className);
                continue;
            }

            if (name == QLatin1String("font")) {
                QDomElement f = e.firstChild().toElement();
                DomFont font;
                findDerivedFontProperties(f, font);
                e.removeChild(f);
                QDomDocument doc = e.ownerDocument();
                f = font.write(doc);
                e.appendChild(f);
            }

            DomProperty *prop = readProperty(e);
            if (!prop)
                continue;

            if (prop->kind() == DomProperty::String) {
                QDomNodeList comments = e.elementsByTagName(QLatin1String("comment"));
                if (comments.length()) {
                    QString comment = comments.item(0).firstChild().toText().data();
                    if (!comment.isEmpty())
                        prop->elementString()->setAttributeComment(comment);
                }
            }

            if (className == QLatin1String("Line")
                    && prop->attributeName() == QLatin1String("orientation")) {
                delete prop;
                continue;
            }

            if (className.mid(1) == QLatin1String("LineEdit")) {
                if (name == QLatin1String("hasMarkedText")) {
                    prop->setAttributeName(QLatin1String("hasSelectedText"));
                } else if (name == QLatin1String("edited")) {
                    prop->setAttributeName(QLatin1String("modified"));
                } else if (name == QLatin1String("markedText")) {
                    prop->setAttributeName(QLatin1String("selectedText"));
                }
            }

            if (className.endsWith("ComboBox")) {
                CONVERT_PROPERTY(QLatin1String("currentItem"), QLatin1String("currentIndex"));
                CONVERT_PROPERTY(QLatin1String("insertionPolicy"), QLatin1String("insertPolicy"));
            }

            if (className == QLatin1String("QToolBar")) {
                if (name == QLatin1String("label")) {
                    prop->setAttributeName(QLatin1String("windowTitle"));
                }
            }

            CONVERT_PROPERTY(QLatin1String("customWhatsThis"), QLatin1String("whatsThis"));
            CONVERT_PROPERTY(QLatin1String("icon"), QLatin1String("windowIcon"));
            CONVERT_PROPERTY(QLatin1String("iconText"), QLatin1String("windowIconText"));
            CONVERT_PROPERTY(QLatin1String("caption"), QLatin1String("windowTitle"));

            if (name == QLatin1String("name")) {
                continue; // skip the property name
            }

            if (name == QLatin1String("accel")) {
                prop->setAttributeName(QLatin1String("shortcut"));
            }

            CONVERT_PROPERTY(QLatin1String("pixmap"), QLatin1String("icon"));
            CONVERT_PROPERTY(QLatin1String("iconSet"), QLatin1String("icon"));
            CONVERT_PROPERTY(QLatin1String("textLabel"), QLatin1String("text"));

            CONVERT_PROPERTY(QLatin1String("toggleButton"), QLatin1String("checkable"));
            CONVERT_PROPERTY(QLatin1String("isOn"), QLatin1String("checked"));

            CONVERT_PROPERTY(QLatin1String("maxValue"), QLatin1String("maximum"));
            CONVERT_PROPERTY(QLatin1String("minValue"), QLatin1String("minimum"));
            CONVERT_PROPERTY(QLatin1String("lineStep"), QLatin1String("singleStep"));

            name = prop->attributeName(); // sync the name

            // resolve the flags and enumerator
            if (prop->kind() == DomProperty::Set) {
                QStringList flags = prop->elementSet().split(QLatin1Char('|'));
                QStringList v;
                foreach (QString fl, flags) {
                    QString e = WidgetInfo::resolveEnumerator(className, fl);
                    if (e.isEmpty()) {
                        e = m_porting->renameEnumerator(className + QLatin1String("::") + fl);
                    }

                    if (e.isEmpty()) {
                        fprintf(stderr, "uic3: flag '%s' for widget '%s' is not supported\n", fl.latin1(), className.latin1());
                        continue;
                    }

                    v.append(e);
                }

                if (v.isEmpty()) {
                    delete prop;
                    continue;
                }

                prop->setElementSet(v.join(QLatin1String("|")));
            } else if (prop->kind() == DomProperty::Enum) {
                QString e = WidgetInfo::resolveEnumerator(className, prop->elementEnum());
                if (e.isEmpty()) {
                    e = m_porting->renameEnumerator(className + QLatin1String("::") + prop->elementEnum());
                }

                if (e.isEmpty()) {
                    fprintf(stderr, "uic3: enumerator '%s' for widget '%s' is not supported\n",
                            prop->elementEnum().latin1(), className.latin1());

                    delete prop;
                    continue;
                }
                prop->setElementEnum(e);
            }

            if (className.size()
                    && !(className == QLatin1String("QLabel") && name == QLatin1String("buddy"))
                    && !(name == QLatin1String("buttonGroupId"))
                    && !(name == QLatin1String("frameworkCode"))
                    && !(name == QLatin1String("database"))) {
                if (!WidgetInfo::isValidProperty(className, name)) {
                    errorInvalidProperty(name, objectName, className);
                    delete prop;
                } else {
                    properties->append(prop);
                }
            } else {
                properties->append(prop);
            }
        }
    }
}

DomProperty *Ui3Reader::readProperty(const QDomElement &e)
{
    QString name = e.firstChild().toElement().tagName().toLower();

    if (name == QLatin1String("class")) // skip class
        name = e.firstChild().nextSibling().toElement().tagName().toLower();

    DomProperty *p = new DomProperty;
    p->read(e);

    if (p->kind() == DomProperty::Unknown) {
        delete p;
        p = 0;
    }

    return p;
}

void Ui3Reader::createAttributes(const QDomElement &n, QList<DomProperty*> *properties,
                                 const QString &className)
{
    Q_UNUSED(className);

    for (QDomElement e=n.firstChild().toElement(); !e.isNull(); e = e.nextSibling().toElement()) {
        if (e.tagName().toLower() == QLatin1String("attribute")) {
            QString name = e.attribute(QLatin1String("name"));

            DomProperty *prop = readProperty(e);
            if (!prop)
                continue;

            properties->append(prop);
        }
    }
}

QString Ui3Reader::fixDeclaration(const QString &d) const
{
    QString text;

    int i = 0;
    while (i < d.size()) {
        QChar ch = d.at(i);

        if (ch.isLetter() || ch == QLatin1Char('_')) {
            int start = i;
            while (i < d.size() && (d.at(i).isLetterOrNumber() || d.at(i) == QLatin1Char('_')))
                ++i;

            text += fixClassName(d.mid(start, i-start));
        } else {
            text += ch;
            ++i;
        }
    }

    return text;
}

/*
    fixes a (possible composite) type name
*/
QString Ui3Reader::fixType(const QString &t) const
{
    QString newText = t;
    //split type name on <>*& and whitespace
    QStringList typeNames = t.split(QRegExp("<|>|\\*|&| "), QString::SkipEmptyParts);
    foreach(QString typeName , typeNames) {
        QString newName = fixClassName(typeName);
        if( newName != typeName ) {
            newText.replace(typeName, newName);
        }
    }
    return newText;
}

QString Ui3Reader::fixMethod(const QString &method) const
{
    const QByteArray normalized = QMetaObject::normalizedSignature(method.toLatin1());
    QByteArray result;
    int index = normalized.indexOf('(');
    if (index == -1)
        return QLatin1String(normalized);
    result.append(normalized.left(++index));
    int limit = normalized.length()-1;
    while (index < limit) {
        QByteArray type;
        while ((index < limit) && (normalized.at(index) != ','))
            type.append(normalized.at(index++));
        result.append(fixType(QLatin1String(type)).toLatin1());
        if ((index < limit) && (normalized.at(index) == ','))
            result.append(normalized.at(index++));
    }
    result.append(normalized.mid(index));
    return QLatin1String(result);
}