cppwriteinitialization.cpp

奇趣公司比较新的qt/emd版本

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#include "cppwriteinitialization.h"
#include "driver.h"
#include "ui4.h"
#include "utils.h"
#include "uic.h"
#include "databaseinfo.h"
#include "globaldefs.h"

#include <QTextStream>
#include <QtDebug>

namespace {
    // Fixup an enumeration name from class Qt.
    // They are currently stored as "BottomToolBarArea" instead of "Qt::BottomToolBarArea".
    // due to MO issues. This might be fixed in the future.
    void fixQtEnumerationName(QString& name) {
        static const QLatin1String prefix("Qt::");
        if (name.indexOf(prefix) != 0)
            name.prepend(prefix);
    }
    // figure out the toolbar area of a DOM attrib list.
    // By legacy, it is stored as an integer. As of 4.3.0, it is the enumeration value.
    QString toolBarAreaStringFromDOMAttributes(const CPP::WriteInitialization::DomPropertyMap &attributes) {
        const DomProperty *pstyle = attributes.value(QLatin1String("toolBarArea"));
        if (!pstyle)
            return QString();

        switch (pstyle->kind()) {
        case DomProperty::Number: {
            QString area = QLatin1String("static_cast<Qt::ToolBarArea>(");
            area += QString::number(pstyle->elementNumber());
            area += QLatin1String("), ");
            return area;
        }
        case DomProperty::Enum: {
            QString area = pstyle->elementEnum();
            fixQtEnumerationName(area);
            area += QLatin1String(", ");
            return area;
        }
        default:
            break;
        }
        return QString();
    }

    // Write a statement to create a spacer item.
    void writeSpacerItem(const DomSpacer *node, QTextStream &output) {
        const QHash<QString, DomProperty *> properties = propertyMap(node->elementProperty());
                output << "new QSpacerItem(";

        if (properties.contains(QLatin1String("sizeHint"))) {
            const DomSize *sizeHint = properties.value(QLatin1String("sizeHint"))->elementSize();
            output << sizeHint->elementWidth() << ", " << sizeHint->elementHeight() << ", ";
        }

        // size type
        QString sizeType = properties.contains(QLatin1String("sizeType"))  ?
                           properties.value(QLatin1String("sizeType"))->elementEnum() :
                           QString::fromLatin1("Expanding");

        if (!sizeType.startsWith(QLatin1String("QSizePolicy::")))
            sizeType.prepend(QLatin1String("QSizePolicy::"));
        // orientation
        bool isVspacer = false;
        if (properties.contains(QLatin1String("orientation"))) {
            const QString orientation = properties.value(QLatin1String("orientation"))->elementEnum();
            if (orientation == QLatin1String("Qt::Vertical") || orientation == QLatin1String("Vertical"))  isVspacer = true;
        }

        if (isVspacer)
            output << "QSizePolicy::Minimum, " << sizeType << ')';
        else
            output << sizeType << ", QSizePolicy::Minimum)";
    }


    // Helper for implementing comparison functions for integers.
    int compareInt(int i1, int i2) {
        if (i1 < i2) return -1;
        if (i1 > i2) return  1;
        return  0;
    }

    // Write object->setFoo(x);
    template <class Value>
        void writeSetter(const QString &indent, const QString &varName,const QString &setter, Value v, QTextStream &str) {
            str << indent << varName << "->" << setter << '(' << v << ");\n";
        }

    void writeSetupUIScriptVariableDeclarations(const QString &indent, QTextStream &str)  {
        str << indent << "ScriptContext scriptContext;\n"
            << indent << "QWidgetList childWidgets;\n";
    }
}

namespace CPP {

FontHandle::FontHandle(const DomFont *domFont) :
      m_domFont(domFont)
{
}

int FontHandle::compare(const FontHandle &rhs) const
{
    const QString family    = m_domFont->hasElementFamily()     ?     m_domFont->elementFamily() : QString();
    const QString rhsFamily = rhs.m_domFont->hasElementFamily() ? rhs.m_domFont->elementFamily() : QString();

    if (const int frc = family.compare(rhsFamily))
        return frc;

    const int pointSize    = m_domFont->hasElementPointSize()     ?     m_domFont->elementPointSize() : -1;
    const int rhsPointSize = rhs.m_domFont->hasElementPointSize() ? rhs.m_domFont->elementPointSize() : -1;

    if (const int crc = compareInt(pointSize, rhsPointSize))
        return crc;

    const int bold    = m_domFont->hasElementBold()     ? (m_domFont->elementBold()     ? 1 : 0) : -1;
    const int rhsBold = rhs.m_domFont->hasElementBold() ? (rhs.m_domFont->elementBold() ? 1 : 0) : -1;
    if (const int crc = compareInt(bold, rhsBold))
        return crc;

    const int italic    = m_domFont->hasElementItalic()     ? (m_domFont->elementItalic()     ? 1 : 0) : -1;
    const int rhsItalic = rhs.m_domFont->hasElementItalic() ? (rhs.m_domFont->elementItalic() ? 1 : 0) : -1;
    if (const int crc = compareInt(italic, rhsItalic))
        return crc;

    const int underline    = m_domFont->hasElementUnderline()     ? (m_domFont->elementUnderline()     ? 1 : 0) : -1;
    const int rhsUnderline = rhs.m_domFont->hasElementUnderline() ? (rhs.m_domFont->elementUnderline() ? 1 : 0) : -1;
    if (const int crc = compareInt(underline, rhsUnderline))
        return crc;

    const int weight    = m_domFont->hasElementWeight()     ?     m_domFont->elementWeight() : -1;
    const int rhsWeight = rhs.m_domFont->hasElementWeight() ? rhs.m_domFont->elementWeight() : -1;
    if (const int crc = compareInt(weight, rhsWeight))
        return crc;

    const int strikeOut    = m_domFont->hasElementStrikeOut()     ? (m_domFont->elementStrikeOut()     ? 1 : 0) : -1;
    const int rhsStrikeOut = rhs.m_domFont->hasElementStrikeOut() ? (rhs.m_domFont->elementStrikeOut() ? 1 : 0) : -1;
    if (const int crc = compareInt(strikeOut, rhsStrikeOut))
        return crc;

    const int kerning    = m_domFont->hasElementKerning()     ? (m_domFont->elementKerning()     ? 1 : 0) : -1;
    const int rhsKerning = rhs.m_domFont->hasElementKerning() ? (rhs.m_domFont->elementKerning() ? 1 : 0) : -1;
    if (const int crc = compareInt(kerning, rhsKerning))
        return crc;

    const int antialiasing    = m_domFont->hasElementAntialiasing()     ? (m_domFont->elementAntialiasing()     ? 1 : 0) : -1;
    const int rhsAntialiasing = rhs.m_domFont->hasElementAntialiasing() ? (rhs.m_domFont->elementAntialiasing() ? 1 : 0) : -1;
    if (const int crc = compareInt(antialiasing, rhsAntialiasing))
        return crc;

    const QString styleStrategy    = m_domFont->hasElementStyleStrategy()     ?     m_domFont->elementStyleStrategy() : QString();
    const QString rhsStyleStrategy = rhs.m_domFont->hasElementStyleStrategy() ? rhs.m_domFont->elementStyleStrategy() : QString();

    if (const int src = styleStrategy.compare(rhsStyleStrategy))
        return src;

    return 0;
}


#if defined(Q_OS_MAC) && defined(Q_CC_GNU) && (__GNUC__ == 3 && __GNUC_MINOR__ == 3)
inline uint qHash(const SizePolicyHandle &handle) { return qHash(handle.m_domSizePolicy); }
inline uint qHash(const FontHandle &handle) { return qHash(handle.m_domFont); }
#endif

SizePolicyHandle::SizePolicyHandle(const DomSizePolicy *domSizePolicy) :
    m_domSizePolicy(domSizePolicy)
{
}

int SizePolicyHandle::compare(const SizePolicyHandle &rhs) const
{

    const int hSizeType    = m_domSizePolicy->hasElementHSizeType()     ? m_domSizePolicy->elementHSizeType()     : -1;
    const int rhsHSizeType = rhs.m_domSizePolicy->hasElementHSizeType() ? rhs.m_domSizePolicy->elementHSizeType() : -1;
    if (const int crc = compareInt(hSizeType, rhsHSizeType))
        return crc;

    const int vSizeType    = m_domSizePolicy->hasElementVSizeType()     ? m_domSizePolicy->elementVSizeType()     : -1;
    const int rhsVSizeType = rhs.m_domSizePolicy->hasElementVSizeType() ? rhs.m_domSizePolicy->elementVSizeType() : -1;
    if (const int crc = compareInt(vSizeType, rhsVSizeType))
        return crc;

    const int hStretch    =  m_domSizePolicy->hasElementHorStretch()     ? m_domSizePolicy->elementHorStretch()     : -1;
    const int rhsHStretch =  rhs.m_domSizePolicy->hasElementHorStretch() ? rhs.m_domSizePolicy->elementHorStretch() : -1;
    if (const int crc = compareInt(hStretch, rhsHStretch))
        return crc;

    const int vStretch    =  m_domSizePolicy->hasElementVerStretch()     ? m_domSizePolicy->elementVerStretch()     : -1;
    const int rhsVStretch =  rhs.m_domSizePolicy->hasElementVerStretch() ? rhs.m_domSizePolicy->elementVerStretch() : -1;
    if (const int crc = compareInt(vStretch, rhsVStretch))
        return crc;

    const QString attributeHSizeType    = m_domSizePolicy->hasAttributeHSizeType()     ? m_domSizePolicy->attributeHSizeType()     : QString();
    const QString rhsAttributeHSizeType = rhs.m_domSizePolicy->hasAttributeHSizeType() ? rhs.m_domSizePolicy->attributeHSizeType() : QString();

    if (const int hrc = attributeHSizeType.compare(rhsAttributeHSizeType))
        return hrc;

    const QString attributeVSizeType    = m_domSizePolicy->hasAttributeVSizeType()     ? m_domSizePolicy->attributeVSizeType()     : QString();
    const QString rhsAttributeVSizeType = rhs.m_domSizePolicy->hasAttributeVSizeType() ? rhs.m_domSizePolicy->attributeVSizeType() : QString();

    return attributeVSizeType.compare(rhsAttributeVSizeType);
}

// ---  WriteInitialization: LayoutDefaultHandler

WriteInitialization::LayoutDefaultHandler::LayoutDefaultHandler()
{
    qFill(m_state, m_state + NumProperties, 0u);
    qFill(m_defaultValues, m_defaultValues + NumProperties, 0);
}



void WriteInitialization::LayoutDefaultHandler::acceptLayoutDefault(DomLayoutDefault *node)
{
    if (!node)
        return;
    if (node->hasAttributeMargin()) {
        m_state[Margin] |= HasDefaultValue;
        m_defaultValues[Margin] = node->attributeMargin();
    }
    if (node->hasAttributeSpacing()) {
        m_state[Spacing] |= HasDefaultValue;
        m_defaultValues[Spacing]  = node->attributeSpacing();
    }
}

void WriteInitialization::LayoutDefaultHandler::acceptLayoutFunction(DomLayoutFunction *node)
{
    if (!node)
        return;
    if (node->hasAttributeMargin()) {
        m_state[Margin]     |= HasDefaultFunction;
        m_functions[Margin] =  node->attributeMargin();
        m_functions[Margin] += QLatin1String("()");
    }
    if (node->hasAttributeSpacing()) {
        m_state[Spacing]     |= HasDefaultFunction;
        m_functions[Spacing] =  node->attributeSpacing();
        m_functions[Spacing] += QLatin1String("()");
    }
}

void WriteInitialization::LayoutDefaultHandler::writeProperty(int p, const QString &indent, const QString &objectName,
                                                              const DomPropertyMap &properties, const QString &propertyName, const QString &setter,
                                                              int defaultStyleValue, bool suppressDefault, QTextStream &str) const
{
    // User value
    const DomPropertyMap::const_iterator mit = properties.constFind(propertyName);
    const bool found = mit != properties.constEnd();
    if (found) {
        const int value = mit.value()->elementNumber();
        // Emulate the pre 4.3 behaviour: The value form default value was only used to determine
        // the default value, layout properties were always written
        const bool useLayoutFunctionPre43 = !suppressDefault && (m_state[p] == (HasDefaultFunction|HasDefaultValue)) && value == m_defaultValues[p];
        if (!useLayoutFunctionPre43) {
            bool ifndefMac = (!(m_state[p] & (HasDefaultFunction|HasDefaultValue)) 
                             && value == defaultStyleValue);
            if (ifndefMac)
                str << "#ifndef Q_OS_MAC\n";
            writeSetter(indent, objectName, setter, value, str);