converter.cpp

qt-x11-opensource-src-4.1.4.tar.gz源码

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the tools applications of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include "ui3reader.h"
#include "parser.h"
#include "domtool.h"
#include "ui4.h"
#include "widgetinfo.h"
#include "globaldefs.h"
#include "qt3to4.h"
#include "utils.h"

#include <QtDebug>
#include <QFile>
#include <QHash>
#include <QStringList>
#include <QDateTime>
#include <QRegExp>

#include <stdio.h>
#include <stdlib.h>

#define CONVERT_PROPERTY(o, n) \
    do { \
        if (name == QLatin1String(o) \
                && !WidgetInfo::isValidProperty(className, (o)) \
                && WidgetInfo::isValidProperty(className, (n))) { \
            prop->setAttributeName((n)); \
        } \
    } while (0)

static QString classNameForObjectName(const QDomElement &widget, const QString &objectName)
{
    QList<QDomElement> widgetStack;
    widgetStack.append(widget);
    while (!widgetStack.isEmpty()) {
        QDomElement w = widgetStack.takeFirst();
        QDomElement child = w.firstChild().toElement();
        while (!child.isNull()) {
            if (child.tagName() == QLatin1String("property")
                && child.attribute(QLatin1String("name")) == QLatin1String("name")) {
                QDomElement name = child.firstChild().toElement();
                DomString str;
                str.read(name);
                if (str.text() == objectName)
                    return w.attribute(QLatin1String("class"));
            } else if (child.tagName() == QLatin1String("widget")) {
                widgetStack.prepend(child);
            }
            child = child.nextSibling().toElement();
        }
    }
    return QString();
}

DomUI *Ui3Reader::generateUi4(const QDomElement &widget)
{
    QDomNodeList nl;
    candidateCustomWidgets.clear();

    QString objClass = getClassName(widget);
    if (objClass.isEmpty())
        return 0;

    DomUI *ui = new DomUI;
    ui->setAttributeVersion(QLatin1String("4.0"));

    QString pixmapFunction = QLatin1String("qPixmapFromMimeSource");
    QStringList ui_tabstops;
    QList<DomInclude*> ui_includes;
    QList<DomWidget*> ui_toolbars;
    QList<DomWidget*> ui_menubars;
    QList<DomAction*> ui_action_list;
    QList<DomActionGroup*> ui_action_group_list;
    QList<DomCustomWidget*> ui_customwidget_list;
    QList<DomConnection*> ui_connection_list;
    QString author, comment, exportMacro;
    QString klass;

    for (QDomElement n = root.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {
        QString tagName = n.tagName().toLower();

        if (tagName == QLatin1String("tabstops")) {
            QDomElement n2 = n.firstChild().toElement();
            while (!n2.isNull()) {
                if (n2.tagName().toLower() == QLatin1String("tabstop")) {
                    QString name = n2.firstChild().toText().data();
                    ui_tabstops.append(name);
                }
                n2 = n2.nextSibling().toElement();
            }
        } else if (tagName == QLatin1String("pixmapfunction")) {
            pixmapFunction = n.firstChild().toText().data();
        } else if (tagName == QLatin1String("class")) {
            klass = n.firstChild().toText().data();
        } else if (tagName == QLatin1String("author")) {
            author = n.firstChild().toText().data();
        } else if (tagName == QLatin1String("comment")) {
            comment = n.firstChild().toText().data();
        } else if (tagName == QLatin1String("exportMacro")) {
            exportMacro = n.firstChild().toText().data();
        } else if (tagName == QLatin1String("includes")) {
            QDomElement n2 = n.firstChild().toElement();
            while (!n2.isNull()) {
                if (n2.tagName().toLower() == QLatin1String("include")) {
                    QString name = n2.firstChild().toText().data();
                    if (n2.attribute(QLatin1String("impldecl"), QLatin1String("in implementation")) == QLatin1String("in declaration")) {
                        if (name.right(5) == QLatin1String(".ui.h"))
                            continue;

                        DomInclude *incl = new DomInclude();
                        incl->setText(fixHeaderName(name));
                        incl->setAttributeLocation(n2.attribute(QLatin1String("location"), QLatin1String("global")));
                        ui_includes.append(incl);
                    }
                }
                n2 = n2.nextSibling().toElement();
            }
        } else if (tagName == QLatin1String("include")) {
            QString name = n.firstChild().toText().data();
            if (n.attribute(QLatin1String("impldecl"), QLatin1String("in implementation")) == QLatin1String("in declaration")) {
                if (name.right(5) == QLatin1String(".ui.h"))
                    continue;

                DomInclude *incl = new DomInclude();
                incl->setText(fixHeaderName(name));
                incl->setAttributeLocation(n.attribute(QLatin1String("location"), QLatin1String("global")));
                ui_includes.append(incl);
            }
        } else if (tagName == QLatin1String("layoutdefaults")) {
            QString margin = n.attribute(QLatin1String("margin"));
            QString spacing = n.attribute(QLatin1String("spacing"));

            DomLayoutDefault *layoutDefault = new DomLayoutDefault();

            if (!margin.isEmpty())
                layoutDefault->setAttributeMargin(margin.toInt());

            if (!spacing.isEmpty())
                layoutDefault->setAttributeSpacing(spacing.toInt());

            ui->setElementLayoutDefault(layoutDefault);
        } else if (tagName == QLatin1String("layoutfunctions")) {
            QString margin = n.attribute(QLatin1String("margin"));
            QString spacing = n.attribute(QLatin1String("spacing"));

            DomLayoutFunction *layoutDefault = new DomLayoutFunction();

            if (!margin.isEmpty())
                layoutDefault->setAttributeMargin(margin);

            if (!spacing.isEmpty())
                layoutDefault->setAttributeSpacing(spacing);

            ui->setElementLayoutFunction(layoutDefault);
        } else if (tagName == QLatin1String("images")) {
            QDomNodeList nl = n.elementsByTagName(QLatin1String("image"));
            QList<DomImage*> ui_image_list;
            for (int i=0; i<(int)nl.length(); i++) {
                QDomElement e = nl.item(i).toElement();

                QDomElement tmp = e.firstChild().toElement();
                if (tmp.tagName().toLower() != QLatin1String("data"))
                    continue;

                // create the image
                DomImage *img = new DomImage();
                img->setAttributeName(e.attribute(QLatin1String("name")));

                // create the data
                DomImageData *data = new DomImageData();
                img->setElementData(data);

                if (tmp.hasAttribute(QLatin1String("format")))
                    data->setAttributeFormat(tmp.attribute(QLatin1String("format"), QLatin1String("PNG")));

                if (tmp.hasAttribute(QLatin1String("length")))
                    data->setAttributeLength(tmp.attribute(QLatin1String("length")).toInt());

                data->setText(tmp.firstChild().toText().data());

                ui_image_list.append(img);
            }

            if (ui_image_list.size()) {
                DomImages *images = new DomImages();
                images->setElementImage(ui_image_list);
                ui->setElementImages(images);
            }
        } else if (tagName == QLatin1String("actions")) {
            QDomElement n2 = n.firstChild().toElement();
            while (!n2.isNull()) {
                QString tag = n2.tagName().toLower();

                if (tag == QLatin1String("action")) {
                    DomAction *action = new DomAction();
                    action->read(n2);

                    QList<DomProperty*> properties = action->elementProperty();
                    QString actionName = fixActionProperties(properties);
                    action->setAttributeName(actionName);
                    action->setElementProperty(properties);

                    if (actionName.isEmpty()) {
                        delete action;
                    } else
                        ui_action_list.append(action);
                } else if (tag == QLatin1String("actiongroup")) {
                    DomActionGroup *g= new DomActionGroup();
                    g->read(n2);

                    fixActionGroup(g);
                    ui_action_group_list.append(g);
                }
                n2 = n2.nextSibling().toElement();
            }
        } else if (tagName == QLatin1String("toolbars")) {
            QDomElement n2 = n.firstChild().toElement();
            while (!n2.isNull()) {
                if (n2.tagName().toLower() == QLatin1String("toolbar")) {
                    DomWidget *tb = createWidget(n2, QLatin1String("QToolBar"));
                    ui_toolbars.append(tb);
                }
                n2 = n2.nextSibling().toElement();
            }
        } else if (tagName == QLatin1String("menubar")) {
            DomWidget *tb = createWidget(n, QLatin1String("QMenuBar"));
            ui_menubars.append(tb);
        } else if (tagName == QLatin1String("customwidgets")) {
            QDomElement n2 = n.firstChild().toElement();
            while (!n2.isNull()) {
                if (n2.tagName().toLower() == QLatin1String("customwidget")) {

                    DomCustomWidget *customWidget = new DomCustomWidget;
                    customWidget->read(n2);

                    QDomElement n3 = n2.firstChild().toElement();
                    QString cl;

                    QList<DomPropertyData*> ui_property_list;

                    while (!n3.isNull()) {
                        QString tagName = n3.tagName().toLower();

                        if (tagName == QLatin1String("property")) {
                            DomPropertyData *p = new DomPropertyData();
                            p->read(n3);

                            ui_property_list.append(p);
                        }

                        n3 = n3.nextSibling().toElement();
                    }

                    if (ui_property_list.size()) {
                        DomProperties *properties = new DomProperties();
                        properties->setElementProperty(ui_property_list);
                        customWidget->setElementProperties(properties);
                    }

                    ui_customwidget_list.append(customWidget);
                }
                n2 = n2.nextSibling().toElement();
            }
        } else if (tagName == QLatin1String("connections")) {
            QDomElement n2 = n.firstChild().toElement();
            while (!n2.isNull()) {
                if (n2.tagName().toLower() == QLatin1String("connection")) {

                    DomConnection *connection = new DomConnection;
                    connection->read(n2);

                    QString sender = connection->elementSender();
                    QString senderClass = fixClassName(classNameForObjectName(widget, sender));
                    QString signal = fixMethod(connection->elementSignal());
                    QString receiver = connection->elementReceiver();
                    QString receiverClass = fixClassName(classNameForObjectName(widget, receiver));
                    QString slot = fixMethod(connection->elementSlot());

                    // make sure that the signal and slot are present in Qt4
                    if (!WidgetInfo::isValidSignal(senderClass, signal)) {
                        errorInvalidSignal(signal, sender, senderClass);
                        delete connection;
                    }
                    else if (!WidgetInfo::isValidSlot(receiverClass, slot)) {
                        errorInvalidSlot(slot, receiver, receiverClass);
                        delete connection;
                    } else {
                        connection->setElementSignal(signal);
                        connection->setElementSlot(slot);
                        ui_connection_list.append(connection);
                    }
                }
                n2 = n2.nextSibling().toElement();
            }
        }
    }

    DomWidget *w = createWidget(widget);
    Q_ASSERT(w != 0);

    QList<DomWidget*> l = w->elementWidget();
    l += ui_toolbars;
    l += ui_menubars;
    w->setElementWidget(l);

    if (ui_action_group_list.size())
        w->setElementActionGroup(ui_action_group_list);

    if (ui_action_list.size())
        w->setElementAction(ui_action_list);

    ui->setElementWidget(w);

    if (klass.isEmpty())
        klass = w->attributeName();

    w->setAttributeName(klass);
    ui->setElementClass(klass);
    ui->setElementAuthor(author);
    ui->setElementComment(comment);
    ui->setElementExportMacro(exportMacro);

    if (!ui->elementImages())
        ui->setElementPixmapFunction(pixmapFunction);

    for (int i=0; i<ui_customwidget_list.size(); ++i) {
        QString name = ui_customwidget_list.at(i)->elementClass();
        if (candidateCustomWidgets.contains(name))
            candidateCustomWidgets.remove(name);
    }

    QMapIterator<QString, bool> it(candidateCustomWidgets);
    while (it.hasNext()) {
        it.next();

        QString customClass = it.key();
        QString baseClass;

        if (customClass.endsWith(QLatin1String("ListView")))
            baseClass = QLatin1String("Q3ListView");
        else if (customClass.endsWith(QLatin1String("ListBox")))
            baseClass = QLatin1String("Q3ListBox");
        else if (customClass.endsWith(QLatin1String("IconView")))
            baseClass = QLatin1String("Q3IconView");
        else if (customClass.endsWith(QLatin1String("ComboBox")))
            baseClass = QLatin1String("QComboBox");

        if (baseClass.isEmpty())
            continue;

        DomHeader *header = new DomHeader;
        header->setText(customClass.toLower() + QLatin1String(".h"));

        DomCustomWidget *customWidget = new DomCustomWidget();