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#include "domtool.h"

#include <QSizePolicy>

#include <QColor>

#include <QCursor>

#include <QDateTime>

#include <QRect>

#include <QSize>

#include <QFont>

#include <QDomElement>

#include <QByteArray>

#include <QtDebug>

QT_BEGIN_NAMESPACE

/*

  \class DomTool

  \brief The DomTool class provides static functions for Qt Designer

  and uic.

  A collection of static functions used by Resource (part of the

  designer) and Uic.

*/

/*

  Returns the contents of property \a name of object \a e as

  a variant or the variant passed as \a defValue if the property does

  not exist. The \a comment is passed on to the elementToVariant()

  function.

  \sa hasProperty()

*/

QVariant DomTool::readProperty(const QDomElement& e, const QString& name, const QVariant& defValue, QString& comment)

{

    QDomElement n;

    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {

        if (n.tagName() == QLatin1String("property")) {

            if (n.attribute(QLatin1String("name")) != name)

                continue;

            return elementToVariant(n.firstChild().toElement(), defValue, comment);

        }

    }

    return defValue;

}

/*

  \overload

 */

QVariant DomTool::readProperty(const QDomElement& e, const QString& name, const QVariant& defValue)

{

    QString comment;

    return readProperty(e, name, defValue, comment);

}

/*

  Returns whether object \a e defines property \a name or not.

  \sa readProperty()

 */

bool DomTool::hasProperty(const QDomElement& e, const QString& name)

{

    QDomElement n;

    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {

        if (n.tagName() == QLatin1String("property")) {

            if (n.attribute(QLatin1String("name")) != name)

                continue;

            return true;

        }

    }

    return false;

}

/*

    Returns a list of the names of the properties of the given \a type

    found in the element \a e.

*/

QStringList DomTool::propertiesOfType(const QDomElement& e, const QString& type)

{

    QStringList result;

    QDomElement n;

    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {

        if (n.tagName() == QLatin1String("property")) {

            QDomElement n2 = n.firstChild().toElement();

            if (n2.tagName() == type)

                result += n.attribute(QLatin1String("name"));

        }

    }

    return result;

}

/*

    \overload

*/

QVariant DomTool::elementToVariant(const QDomElement& e, const QVariant& defValue)

{

    QString dummy;

    return elementToVariant(e, defValue, dummy);

}

/*

  Interprets element \a e as a variant and returns the result of the

  interpretation, extracting the data as a text element is the \a

  comment matches the tag name. If the interpretation fails the \a

  defValue is returned instead.

 */

QVariant DomTool::elementToVariant(const QDomElement& e, const QVariant& defValue, QString &comment)

{

    Q_UNUSED(defValue);

    QVariant v;

    Variant var;

    if (e.tagName() == QLatin1String("rect")) {

        QDomElement n3 = e.firstChild().toElement();

        int x = 0, y = 0, w = 0, h = 0;

        while (!n3.isNull()) {

            if (n3.tagName() == QLatin1String("x"))

                x = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("y"))

                y = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("width"))

                w = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("height"))

                h = n3.firstChild().toText().data().toInt();

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

        }

        var.createRect(x, y, w, h);

        qVariantSetValue(v, var);

    } else if (e.tagName() == QLatin1String("point")) {

        QDomElement n3 = e.firstChild().toElement();

        int x = 0, y = 0;

        while (!n3.isNull()) {

            if (n3.tagName() == QLatin1String("x"))

                x = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("y"))

                y = n3.firstChild().toText().data().toInt();

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

        }

        var.createPoint(x,y);

        qVariantSetValue(v, var);

    } else if (e.tagName() == QLatin1String("size")) {

        QDomElement n3 = e.firstChild().toElement();

        int w = 0, h = 0;

        while (!n3.isNull()) {

            if (n3.tagName() == QLatin1String("width"))

                w = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("height"))

                h = n3.firstChild().toText().data().toInt();

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

        }

        var.createSize(w, h);

        qVariantSetValue(v, var);

    } else if (e.tagName() == QLatin1String("color")) {

        var.color = readColor(e);

        qVariantSetValue(v, var);

    } else if (e.tagName() == QLatin1String("font")) {

        QDomElement n3 = e.firstChild().toElement();

        Font f;

        f.init();

        while (!n3.isNull()) {

            if (n3.tagName() == QLatin1String("family"))

                f.family = qstrdup(n3.firstChild().toText().data().toLatin1());

            else if (n3.tagName() == QLatin1String("pointsize"))

                f.pointsize = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("bold"))

                f.bold = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("italic"))

                f.italic = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("underline"))

                f.underline = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("strikeout"))

                f.strikeout = n3.firstChild().toText().data().toInt();

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

        }

        var.font = f;

        qVariantSetValue(v, var);

    } else if (e.tagName() == QLatin1String("string")) {

        v = QVariant(e.firstChild().toText().data());

        QDomElement n = e;

        n = n.nextSibling().toElement();

        if (n.tagName() == QLatin1String("comment"))

            comment = n.firstChild().toText().data();

    } else if (e.tagName() == QLatin1String("cstring")) {

        v = QVariant(e.firstChild().toText().data().toAscii());

    } else if (e.tagName() == QLatin1String("number")) {

        bool ok = true;

        v = QVariant(e.firstChild().toText().data().toInt(&ok));

        if (!ok)

            v = QVariant(e.firstChild().toText().data().toDouble());

    } else if (e.tagName() == QLatin1String("bool")) {

        QString t = e.firstChild().toText().data();

        v = QVariant(t == QLatin1String("true") || t == QLatin1String("1"));

    } else if (e.tagName() == QLatin1String("pixmap")) {

        v = QVariant(e.firstChild().toText().data());

    } else if (e.tagName() == QLatin1String("iconset")) {

        v = QVariant(e.firstChild().toText().data());

    } else if (e.tagName() == QLatin1String("image")) {

        v = QVariant(e.firstChild().toText().data());

    } else if (e.tagName() == QLatin1String("enum")) {

        v = QVariant(e.firstChild().toText().data());

    } else if (e.tagName() == QLatin1String("set")) {

        v = QVariant(e.firstChild().toText().data());

    } else if (e.tagName() == QLatin1String("sizepolicy")) {

        QDomElement n3 = e.firstChild().toElement();

        var.createSizePolicy();

        while (!n3.isNull()) {

            if (n3.tagName() == QLatin1String("hsizetype"))

                var.sizePolicy.hsizetype = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("vsizetype"))

                var.sizePolicy.vsizetype = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("horstretch"))

                var.sizePolicy.horstretch = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("verstretch"))

                var.sizePolicy.verstretch = n3.firstChild().toText().data().toInt();

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

        }

        qVariantSetValue(v, var);

    } else if (e.tagName() == QLatin1String("cursor")) {

        var.createCursor(e.firstChild().toText().data().toInt());

        qVariantSetValue(v, var);

    } else if (e.tagName() == QLatin1String("stringlist")) {

        QStringList lst;

        QDomElement n;

        for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement())

            lst << n.firstChild().toText().data();

        v = QVariant(lst);

    } else if (e.tagName() == QLatin1String("date")) {

        QDomElement n3 = e.firstChild().toElement();

        int y, m, d;

        y = m = d = 0;

        while (!n3.isNull()) {

            if (n3.tagName() == QLatin1String("year"))

                y = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("month"))

                m = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("day"))

                d = n3.firstChild().toText().data().toInt();

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

        }

        v = QVariant(QDate(y, m, d));

    } else if (e.tagName() == QLatin1String("time")) {

        QDomElement n3 = e.firstChild().toElement();

        int h, m, s;

        h = m = s = 0;

        while (!n3.isNull()) {

            if (n3.tagName() == QLatin1String("hour"))

                h = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("minute"))

                m = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("second"))

                s = n3.firstChild().toText().data().toInt();

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

        }

        v = QVariant(QTime(h, m, s));

    } else if (e.tagName() == QLatin1String("datetime")) {

        QDomElement n3 = e.firstChild().toElement();

        int h, mi, s, y, mo, d ;

        h = mi = s = y = mo = d = 0;

        while (!n3.isNull()) {

            if (n3.tagName() == QLatin1String("hour"))

                h = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("minute"))

                mi = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("second"))

                s = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("year"))

                y = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("month"))

                mo = n3.firstChild().toText().data().toInt();

            else if (n3.tagName() == QLatin1String("day"))

                d = n3.firstChild().toText().data().toInt();

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

        }

        v = QVariant(QDateTime(QDate(y, mo, d), QTime(h, mi, s)));

    }

    return v;

}

/*  Returns the color which is returned in the dom element \a e.

 */

Color DomTool::readColor(const QDomElement &e)

{

    QDomElement n = e.firstChild().toElement();

    int r= 0, g = 0, b = 0;

    while (!n.isNull()) {

        if (n.tagName() == QLatin1String("red"))

            r = n.firstChild().toText().data().toInt();

        else if (n.tagName() == QLatin1String("green"))

            g = n.firstChild().toText().data().toInt();

        else if (n.tagName() == QLatin1String("blue"))

            b = n.firstChild().toText().data().toInt();

        n = n.nextSibling().toElement();

    }

    Color c;

    c.init(r, g, b);

    return c;

}

/*

  Returns the contents of attribute \a name of object \a e as

  a variant or the variant passed as \a defValue if the attribute does

  not exist. The \a comment is passed to the elementToVariant()

  function.

  \sa hasAttribute()

 */

QVariant DomTool::readAttribute(const QDomElement& e, const QString& name, const QVariant& defValue, QString& comment)

{

    QDomElement n;

    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {

        if (n.tagName() == QLatin1String("attribute")) {

            if (n.attribute(QLatin1String("name")) != name)

                continue;

            return elementToVariant(n.firstChild().toElement(), defValue, comment);

        }

    }

    return defValue;

}

/*

  \overload

*/

QVariant DomTool::readAttribute(const QDomElement& e, const QString& name, const QVariant& defValue)

{

    QString comment;

    return readAttribute(e, name, defValue, comment);

}

/*

  Returns whether object \a e defines attribute \a name or not.

  \sa readAttribute()

 */

bool DomTool::hasAttribute(const QDomElement& e, const QString& name)

{

    QDomElement n;

    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {

        if (n.tagName() == QLatin1String("attribute")) {

            if (n.attribute(QLatin1String("name")) != name)

                continue;

            return true;

        }

    }

    return false;

}

static bool toBool(const QString& s)

{

    return s == QLatin1String("true") || s.toInt() != 0;

}

static double versionToDouble(QString version)

{

    version = version.trimmed();

    if (version.isEmpty())

        return 0.0;

    bool decpt = false;

    QString num_str;

    for (int i = 0; i < version.size(); ++i) {

        char c = version.at(i).toAscii();

        if ((c < '0' || c > '9') && c != '.')

            break;

        if (c == '.') {

            if (decpt)

                break;

            decpt = true;

        }

        num_str.append(QLatin1Char(c));

    }

    return num_str.toDouble();

}

/*

    \internal

    Convert Qt 2.x format to Qt 3.x format if necessary.

*/

void DomTool::fixDocument(QDomDocument& doc)

{

    QDomElement e;

    QDomNode n;

    QDomNodeList nl;

    int i = 0;

    e = doc.firstChild().toElement();

    if (e.tagName() != QLatin1String("UI"))

        return;

    // rename classes and properties

    double version = versionToDouble(e.attribute(QLatin1String("version")));

    nl = e.childNodes();

    fixAttributes(nl, version);

    // 3.x don't do anything more

    if (version >= 3.0)

        return;

    // in versions smaller than 3.0 we need to change more

    e.setAttribute(QLatin1String("version"), 3.0);

    e.setAttribute(QLatin1String("stdsetdef"), 1);

    nl = e.elementsByTagName(QLatin1String("property"));

    for (i = 0; i <  (int) nl.length(); i++) {

        e = nl.item(i).toElement();

        QString name;

        QDomElement n2 = e.firstChild().toElement();

        if (n2.tagName() == QLatin1String("name")) {

            name = n2.firstChild().toText().data();

            if (name == QLatin1String("resizeable"))

                e.setAttribute(QLatin1String("name"), QLatin1String("resizable"));

            else

                e.setAttribute(QLatin1String("name"), name);

            e.removeChild(n2);

        }

        bool stdset = toBool(e.attribute(QLatin1String("stdset")));

        if (stdset || name == QLatin1String("toolTip") || name == QLatin1String("whatsThis") ||

             name == QLatin1String("buddy") ||

             e.parentNode().toElement().tagName() == QLatin1String("item") ||

             e.parentNode().toElement().tagName() == QLatin1String("spacer") ||

             e.parentNode().toElement().tagName() == QLatin1String("column")

            )

            e.removeAttribute(QLatin1String("stdset"));

        else

            e.setAttribute(QLatin1String("stdset"), 0);

    }

    nl = doc.elementsByTagName(QLatin1String("attribute"));

    for (i = 0; i <  (int) nl.length(); i++) {

        e = nl.item(i).toElement();

        QString name;

        QDomElement n2 = e.firstChild().toElement();

        if (n2.tagName() == QLatin1String("name")) {

            name = n2.firstChild().toText().data();

            e.setAttribute(QLatin1String("name"), name);

            e.removeChild(n2);

        }

    }

    nl = doc.elementsByTagName(QLatin1String("image"));

    for (i = 0; i <  (int) nl.length(); i++) {

        e = nl.item(i).toElement();

        QString name;

        QDomElement n2 = e.firstChild().toElement();

        if (n2.tagName() == QLatin1String("name")) {

            name = n2.firstChild().toText().data();

            e.setAttribute(QLatin1String("name"), name);

            e.removeChild(n2);

        }

    }

    nl = doc.elementsByTagName(QLatin1String("widget"));

    for (i = 0; i <  (int) nl.length(); i++) {

        e = nl.item(i).toElement();

        QString name;

        QDomElement n2 = e.firstChild().toElement();

        if (n2.tagName() == QLatin1String("class")) {

            name = n2.firstChild().toText().data();

            e.setAttribute(QLatin1String("class"), name);

            e.removeChild(n2);

        }

    }

}

struct widgetName {

    widgetName(double v, QString b, QString a)

        : version(v), before(b), after(a) {}

    double version;

    QString before;

    QString after;

};

struct propertyName : public widgetName {

    propertyName(double v, QString b, QString a, QString c = QString())

        : widgetName(v, b, a), clss(c) {}

    QString clss;