/**
 * This file is part of the CSS implementation for KDE.
 *
 * Copyright 1999-2003 Lars Knoll (knoll@kde.org)
 * Copyright 2003-2004 Apple Computer, Inc.
 * Copyright 2004-2010 Allan Sandfeld Jensen (kde@carewolf.com)
 * Copyright 2004-2008 Germain Garand (germain@ebooksfrance.org)
 * Copyright 2008 Vyacheslav Tokarev (tsjoker@gmail.com)
 *           (C) 2005, 2006, 2008 Apple Computer, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "css/cssstyleselector.h"
#include "rendering/render_style.h"
#include "css/css_stylesheetimpl.h"
#include "css/css_ruleimpl.h"
#include "css/css_valueimpl.h"
#include "css/csshelper.h"
#include "css/css_webfont.h"
#include "rendering/render_object.h"
#include "html/html_documentimpl.h"
#include "html/html_elementimpl.h"
#include "xml/dom_elementimpl.h"
#include "xml/dom_restyler.h"
#include "dom/css_rule.h"
#include "dom/css_value.h"
#include "khtml_global.h"
#include "khtmlpart_p.h"
using namespace khtml;
using namespace DOM;

#include "css/cssproperties.h"
#include "css/cssvalues.h"
#include "css/css_mediaquery.h"

#include "misc/khtmllayout.h"
#include "khtml_settings.h"
#include "misc/helper.h"
#include "misc/loader.h"

#include "rendering/font.h"

#include "khtmlview.h"
#include "khtml_part.h"

#include <kconfig.h>
#include <QtCore/QFile>
#include <QtCore/QString>
#include <QtCore/QFileInfo>
#include <QUrl>
#include <QFontDatabase>
#include <qstandardpaths.h>

#include <QDebug>
#include <assert.h>
#include <stdlib.h>

// keep in sync with html4.css'
#define KHTML_STYLE_VERSION 1

#undef PRELATIVE
#undef PABSOLUTE

// handle value "inherit" on a default inherited property
#define HANDLE_INHERIT_ON_INHERITED_PROPERTY(prop, Prop) \
    if (isInherit) \
    {\
        style->set##Prop(parentStyle->prop());\
        return;\
    }

// handle value "inherit" on a default non-inherited property
#define HANDLE_INHERIT_ON_NONINHERITED_PROPERTY(prop, Prop) \
    if (isInherit) \
    {\
        style->setInheritedNoninherited(true);\
        style->set##Prop(parentStyle->prop());\
        return;\
    }

#define HANDLE_INITIAL(prop, Prop) \
    if (isInitial) \
    {\
        style->set##Prop(RenderStyle::initial##Prop());\
        return;\
    }

#define HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(prop, Prop) \
    HANDLE_INITIAL(prop, Prop) \
    else \
        HANDLE_INHERIT_ON_NONINHERITED_PROPERTY(prop, Prop)

#define HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(prop, Prop) \
    HANDLE_INITIAL(prop, Prop) \
    else \
        HANDLE_INHERIT_ON_INHERITED_PROPERTY(prop, Prop)

// all non-inherited properties
#define HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(prop, Prop, Value) \
    HANDLE_INHERIT_ON_NONINHERITED_PROPERTY(prop, Prop) \
    else if (isInitial) \
    {\
        style->set##Prop(RenderStyle::initial##Value());\
        return;\
    }

#define HANDLE_BACKGROUND_INHERIT_AND_INITIAL(prop, Prop) \
    if (isInherit) { \
        BackgroundLayer* currChild = style->accessBackgroundLayers(); \
        BackgroundLayer* prevChild = 0; \
        const BackgroundLayer* currParent = parentStyle->backgroundLayers(); \
        while (currParent && currParent->is##Prop##Set()) { \
            if (!currChild) { \
                /* Need to make a new layer.*/ \
                currChild = new BackgroundLayer(); \
                prevChild->setNext(currChild); \
            } \
            currChild->set##Prop(currParent->prop()); \
            prevChild = currChild; \
            currChild = prevChild->next(); \
            currParent = currParent->next(); \
        } \
        \
        while (currChild) { \
            /* Reset any remaining layers to not have the property set. */ \
            currChild->clear##Prop(); \
            currChild = currChild->next(); \
        } \
    } else if (isInitial) { \
        BackgroundLayer* currChild = style->accessBackgroundLayers(); \
        currChild->set##Prop(RenderStyle::initial##Prop()); \
        for (currChild = currChild->next(); currChild; currChild = currChild->next()) \
            currChild->clear##Prop(); \
    }

#define HANDLE_BACKGROUND_VALUE(prop, Prop, value) { \
        HANDLE_BACKGROUND_INHERIT_AND_INITIAL(prop, Prop) \
        else { \
            if (!value->isPrimitiveValue() && !value->isValueList()) \
                return; \
            BackgroundLayer* currChild = style->accessBackgroundLayers(); \
            BackgroundLayer* prevChild = 0; \
            if (value->isPrimitiveValue()) { \
                map##Prop(currChild, value); \
                currChild = currChild->next(); \
            } \
            else { \
                /* Walk each value and put it into a layer, creating new layers as needed. */ \
                CSSValueListImpl* valueList = static_cast<CSSValueListImpl*>(value); \
                for (unsigned int i = 0; i < valueList->length(); i++) { \
                    if (!currChild) { \
                        /* Need to make a new layer to hold this value */ \
                        currChild = new BackgroundLayer(); \
                        prevChild->setNext(currChild); \
                    } \
                    map##Prop(currChild, valueList->item(i)); \
                    prevChild = currChild; \
                    currChild = currChild->next(); \
                } \
            } \
            while (currChild) { \
                /* Reset all remaining layers to not have the property set. */ \
                currChild->clear##Prop(); \
                currChild = currChild->next(); \
            } \
        } }

#define HANDLE_INHERIT_COND(propID, prop, Prop) \
    if (id == propID) \
    {\
        style->set##Prop(parentStyle->prop());\
        return;\
    }

#define HANDLE_INHERIT_COND_WITH_BACKUP(propID, prop, propAlt, Prop) \
    if (id == propID) { \
        if (parentStyle->prop().isValid()) \
            style->set##Prop(parentStyle->prop()); \
        else \
            style->set##Prop(parentStyle->propAlt()); \
        return; \
    }

#define HANDLE_INITIAL_COND(propID, Prop) \
    if (id == propID) \
    {\
        style->set##Prop(RenderStyle::initial##Prop());\
        return;\
    }

#define HANDLE_INITIAL_COND_WITH_VALUE(propID, Prop, Value) \
    if (id == propID) \
    {\
        style->set##Prop(RenderStyle::initial##Value());\
        return;\
    }

namespace khtml
{

CSSStyleSelectorList *CSSStyleSelector::s_defaultStyle;
CSSStyleSelectorList *CSSStyleSelector::s_defaultQuirksStyle;
CSSStyleSelectorList *CSSStyleSelector::s_defaultNonCSSHintsStyle;
CSSStyleSelectorList *CSSStyleSelector::s_defaultPrintStyle;
CSSStyleSheetImpl *CSSStyleSelector::s_defaultSheet;
CSSStyleSheetImpl *CSSStyleSelector::s_defaultNonCSSHintsSheet;
RenderStyle *CSSStyleSelector::styleNotYetAvailable;
CSSStyleSheetImpl *CSSStyleSelector::s_quirksSheet;

enum PseudoState { PseudoUnknown, PseudoNone, PseudoLink, PseudoVisited};
static PseudoState pseudoState;

CSSStyleSelector::CSSStyleSelector(DocumentImpl *doc, QString userStyleSheet, StyleSheetListImpl *styleSheets,
                                   const QUrl &url, bool _strictParsing)
{
    KHTMLView *view = doc->view();
    KHTMLPart *part = doc->part();

    m_fontSelector = new CSSFontSelector(doc);

    init(part ? part->settings() : 0, doc);

    strictParsing = _strictParsing;

    selectors = 0;
    selectorCache = 0;
    propertiesBuffer = 0;
    nextPropertyIndexes = 0;
    userStyle = 0;
    userSheet = 0;
    logicalDpiY = doc->logicalDpiY();

    if (logicalDpiY) { // this may be null, not everyone uses khtmlview (Niko)
        computeFontSizes(logicalDpiY, part ? part->fontScaleFactor() : 100);
    }

    // build a limited default style suitable to evaluation of media queries
    // containing relative constraints, like "screen and (max-width: 10em)"
    setupDefaultRootStyle(doc);

    if (view) {
        m_medium = new MediaQueryEvaluator(view->mediaType(), view->part(), m_rootDefaultStyle);
    } else {
        m_medium = new MediaQueryEvaluator("all", 0, m_rootDefaultStyle);
    }

    if (!userStyleSheet.isEmpty()) {
        userSheet = new DOM::CSSStyleSheetImpl(doc);
        userSheet->parseString(DOMString(userStyleSheet));

        userStyle = new CSSStyleSelectorList();
        userStyle->append(userSheet, m_medium, this);
    }

    // add stylesheets from document
    authorStyle = 0;
    implicitStyle = 0;

    foreach (StyleSheetImpl *sh, styleSheets->styleSheets) {
        if (sh->isCSSStyleSheet()) {
            if (static_cast<CSSStyleSheetImpl *>(sh)->implicit()) {
                if (!implicitStyle) {
                    implicitStyle = new CSSStyleSelectorList();
                }
                implicitStyle->append(static_cast<CSSStyleSheetImpl *>(sh), m_medium, this);
            } else if (sh->isCSSStyleSheet() && !sh->disabled()) {
                if (!authorStyle) {
                    authorStyle = new CSSStyleSelectorList();
                }
                authorStyle->append(static_cast<CSSStyleSheetImpl *>(sh), m_medium, this);
            }
        }
    }

    buildLists();

    //qDebug() << "number of style sheets in document " << authorStyleSheets.count();
    //qDebug() << "CSSStyleSelector: author style has " << authorStyle->count() << " elements";

    QUrl u = url;

    u.setQuery(QString());
    u.setFragment(QString());
    encodedurl.file = u.url();
    int pos = encodedurl.file.lastIndexOf('/');
    encodedurl.path = encodedurl.file;
    if (pos > 0) {
        encodedurl.path.truncate(pos);
        encodedurl.path += '/';
    }
    u.setPath(QString());
    encodedurl.host = u.url();

    //qDebug() << "CSSStyleSelector::CSSStyleSelector encoded url " << encodedurl.path;
}

CSSStyleSelector::CSSStyleSelector(CSSStyleSheetImpl *sheet)
{
    m_fontSelector = new CSSFontSelector(sheet->doc());

    init(0L, 0L);

    KHTMLView *view = sheet->doc()->view();

    setupDefaultRootStyle(sheet->doc());

    if (view) {
        m_medium = new MediaQueryEvaluator(view->mediaType(), view->part(), m_rootDefaultStyle);
    } else {
        m_medium = new MediaQueryEvaluator("screen", 0, m_rootDefaultStyle);
    }

    if (sheet->implicit()) {
        implicitStyle = new CSSStyleSelectorList();
        implicitStyle->append(sheet, m_medium, this);
    } else {
        authorStyle = new CSSStyleSelectorList();
        authorStyle->append(sheet, m_medium, this);
    }
}

void CSSStyleSelector::init(const KHTMLSettings *_settings, DocumentImpl *doc)
{
    element = 0;
    settings = _settings;
    logicalDpiY = 0;
    if (!s_defaultStyle) {
        loadDefaultStyle(settings, doc);
    }

    defaultStyle = s_defaultStyle;
    defaultPrintStyle = s_defaultPrintStyle;
    defaultQuirksStyle = s_defaultQuirksStyle;
    defaultNonCSSHintsStyle = s_defaultNonCSSHintsStyle;
    m_rootDefaultStyle = 0;
    m_medium = 0;
}

CSSStyleSelector::~CSSStyleSelector()
{
    clearLists();
    delete authorStyle;
    delete implicitStyle;
    delete userStyle;
    delete userSheet;
    delete m_rootDefaultStyle;
    delete m_medium;
    delete m_fontSelector;
}

void CSSStyleSelector::addSheet(CSSStyleSheetImpl *sheet)
{
    KHTMLView *view = sheet->doc()->view();

    setupDefaultRootStyle(sheet->doc());

    delete m_medium; m_medium = 0;
    delete authorStyle; authorStyle = 0;
    delete implicitStyle; implicitStyle = 0;

    if (view) {
        m_medium = new MediaQueryEvaluator(view->mediaType(), view->part(), m_rootDefaultStyle);
    } else {
        m_medium = new MediaQueryEvaluator("screen", 0, m_rootDefaultStyle);
    }

    if (sheet->implicit()) {
        if (!implicitStyle) {
            implicitStyle = new CSSStyleSelectorList();
        }
        implicitStyle->append(sheet, m_medium, this);
    } else {
        if (!authorStyle) {
            authorStyle = new CSSStyleSelectorList();
        }
        authorStyle->append(sheet, m_medium, this);
    }
}

void CSSStyleSelector::loadDefaultStyle(const KHTMLSettings *s, DocumentImpl *doc)
{
    if (s_defaultStyle) {
        return;
    }

    MediaQueryEvaluator screenEval("screen");
    MediaQueryEvaluator printEval("print");

    {
        QFile f(QStandardPaths::locate(QStandardPaths::GenericDataLocation, "kf5/khtml/css/html4.css"));
        f.open(QIODevice::ReadOnly);

        QByteArray file(f.size() + 1, 0);
        int readbytes = f.read(file.data(), f.size());
        f.close();
        if (readbytes >= 0) {
            file[readbytes] = '\0';
        }

        QString style = QLatin1String(file.data());

        QRegExp checkVersion("KHTML_STYLE_VERSION:\\s*(\\d+)");
        checkVersion.setMinimal(true);
        if (checkVersion.indexIn(style) == -1 || checkVersion.cap(1).toInt() != KHTML_STYLE_VERSION) {
            qFatal("!!!!!!! ERROR !!!!!!! - KHTML default stylesheet version mismatch. Aborting. Check your installation. File used was: %s. Expected STYLE_VERSION %d\n",
                   QFileInfo(f).absoluteFilePath().toLatin1().data(), KHTML_STYLE_VERSION);
        }

        if (s) {
            style += s->settingsToCSS();
        }
        DOMString str(style);

        s_defaultSheet = new DOM::CSSStyleSheetImpl(doc);
        s_defaultSheet->parseString(str);

        // Collect only strict-mode rules.
        s_defaultStyle = new CSSStyleSelectorList();
        s_defaultStyle->append(s_defaultSheet, &screenEval, doc->styleSelector());

        s_defaultPrintStyle = new CSSStyleSelectorList();
        s_defaultPrintStyle->append(s_defaultSheet, &printEval, doc->styleSelector());
    }
    {
        QFile f(QStandardPaths::locate(QStandardPaths::GenericDataLocation, "kf5/khtml/css/quirks.css"));
        f.open(QIODevice::ReadOnly);

        QByteArray file(f.size() + 1, 0);
        int readbytes = f.read(file.data(), f.size());
        f.close();
        if (readbytes >= 0) {
            file[readbytes] = '\0';
        }

        QString style = QLatin1String(file.data());
        DOMString str(style);

        s_quirksSheet = new DOM::CSSStyleSheetImpl(doc);
        s_quirksSheet->parseString(str);

        // Collect only quirks-mode rules.
        s_defaultQuirksStyle = new CSSStyleSelectorList();
        s_defaultQuirksStyle->append(s_quirksSheet, &screenEval, doc->styleSelector());
    }
    {
        QFile f(QStandardPaths::locate(QStandardPaths::GenericDataLocation, "kf5/khtml/css/presentational.css"));
        f.open(QIODevice::ReadOnly);

        QByteArray file(f.size() + 1, 0);
        int readbytes = f.read(file.data(), f.size());
        f.close();
        if (readbytes >= 0) {
            file[readbytes] = '\0';
        }

        QString style = QLatin1String(file.data());
        DOMString str(style);

        s_defaultNonCSSHintsSheet = new DOM::CSSStyleSheetImpl(doc);
        s_defaultNonCSSHintsSheet->parseString(str);

        s_defaultNonCSSHintsStyle = new CSSStyleSelectorList();
        s_defaultNonCSSHintsStyle->append(s_defaultNonCSSHintsSheet, &screenEval, doc->styleSelector());
    }
    //qDebug() << "CSSStyleSelector: default style has " << defaultStyle->count() << " elements";
}

void CSSStyleSelector::clear()
{
    delete s_defaultStyle;
    delete s_defaultQuirksStyle;
    delete s_defaultPrintStyle;
    delete s_defaultNonCSSHintsStyle;
    delete s_defaultSheet;
    delete s_defaultNonCSSHintsSheet;
    delete styleNotYetAvailable;
    s_defaultStyle = 0;
    s_defaultQuirksStyle = 0;
    s_defaultPrintStyle = 0;
    s_defaultNonCSSHintsStyle = 0;
    s_defaultSheet = 0;
    s_defaultNonCSSHintsSheet = 0;
    styleNotYetAvailable = 0;
}

void CSSStyleSelector::reparseConfiguration()
{
    // nice leak, but best we can do right now. hopefully it is only rare.
    s_defaultStyle = 0;
    s_defaultQuirksStyle = 0;
    s_defaultPrintStyle = 0;
    s_defaultNonCSSHintsStyle = 0;
    s_defaultSheet = 0;
}

#define MAXFONTSIZES 8

void CSSStyleSelector::computeFontSizes(int logicalDpiY,  int zoomFactor)
{
    computeFontSizesFor(logicalDpiY, zoomFactor, m_fontSizes, false);
    computeFontSizesFor(logicalDpiY, zoomFactor, m_fixedFontSizes, true);
}

void CSSStyleSelector::computeFontSizesFor(int logicalDpiY, int zoomFactor, QVector<int> &fontSizes, bool isFixed)
{
#ifdef APPLE_CHANGES
    // We don't want to scale the settings by the dpi.
    const float toPix = 1.0;
#else
    Q_UNUSED(isFixed);

    const float toPix = qMax(logicalDpiY, 96) / 72.0f;
#endif // ######### fix isFixed code again.

    fontSizes.resize(MAXFONTSIZES);
    float scale = 1.0;
    static const float fontFactors[] =      {3.0f / 5.0f, 3.0f / 4.0f, 8.0f / 9.0f, 1.0f, 6.0f / 5.0f, 3.0f / 2.0f, 2.0f, 3.0f};
    static const float smallFontFactors[] = {3.0f / 4.0f, 5.0f / 6.0f, 8.0f / 9.0f, 1.0f, 6.0f / 5.0f, 3.0f / 2.0f, 2.0f, 3.0f};
    float mediumFontSize, factor;
    if (!khtml::printpainter) {
        scale *= zoomFactor / 100.0;
#ifdef APPLE_CHANGES
        if (isFixed) {
            mediumFontSize = settings->mediumFixedFontSize() * toPix;
        } else
#endif
            mediumFontSize = settings->mediumFontSize() * toPix;
        m_minFontSize = settings->minFontSize() * toPix;
    } else {
        // ### depending on something / configurable ?
        mediumFontSize = 12;
        m_minFontSize = 6;
    }
    const float *factors = scale * mediumFontSize >= 12.5 ? fontFactors : smallFontFactors;
    for (int i = 0; i < MAXFONTSIZES; i++) {
        factor = scale * factors[i];
        fontSizes[i] = qMax(qRound(mediumFontSize * factor), m_minFontSize);
        //qDebug() << "index:" << i << "factor:" << factors[i] << "font pix size:" << fontSizes[i];
    }
}

#undef MAXFONTSIZES

RenderStyle *CSSStyleSelector::locateSimilarStyle()
{
    ElementImpl *s = 0, *t = 0, *c = 0;
    if (!element) {
        return 0;
    }
    // Check previous siblings.
    unsigned count = 0;
    NodeImpl *n = element;
    do {
        for (n = n->previousSibling(); n && !n->isElementNode(); n = n->previousSibling());
        if (!n) {
            break;
        }
        ElementImpl *e = static_cast<ElementImpl *>(n);
        if (++count > 10) {
            break;
        }
        if (!s) {
            s = e;    // sibling match
        }
        if (e->id() != element->id()) {
            continue;
        }
        if (!t) {
            t = e;    // tag match
        }
        if (element->hasClass()) {
            if (!e->hasClass()) {
                continue;
            }
            const DOMString &class1 = element->getAttribute(ATTR_CLASS);
            const DOMString &class2 = e->getAttribute(ATTR_CLASS);
            if (class1 != class2) {
                continue;
            }
        }
        if (!c) {
            c = e;    // class match
        }
        break;
    } while (true);

    // if possible return sibling that matches tag and class
    if (c && c->renderer() && c->renderer()->style()) {
        return c->renderer()->style();
    }
    // second best: return sibling that matches tag
    if (t && t->renderer() && t->renderer()->style()) {
        return t->renderer()->style();
    }
    // third best: return sibling element
    if (s && s->renderer() && s->renderer()->style()) {
        return s->renderer()->style();
    }
    // last attempt: return parent element
    NodeImpl *p = element->parentNode();
    if (p && p->renderer()) {
        return p->renderer()->style();
    }

    return 0;
}

static inline void bubbleSort(CSSOrderedProperty **b, CSSOrderedProperty **e)
{
    while (b < e) {
        bool swapped = false;
        CSSOrderedProperty **y = e + 1;
        CSSOrderedProperty **x = e;
        CSSOrderedProperty **swappedPos = 0;
        do {
            if (!((**(--x)) < (**(--y)))) {
                swapped = true;
                swappedPos = x;
                CSSOrderedProperty *tmp = *y;
                *y = *x;
                *x = tmp;
            }
        } while (x != b);
        if (!swapped) {
            break;
        }
        b = swappedPos + 1;
    }
}

RenderStyle *CSSStyleSelector::styleForElement(ElementImpl *e, RenderStyle *fallbackParentStyle)
{
    if (!e->document()->haveStylesheetsLoaded() || !e->document()->view()) {
        if (!styleNotYetAvailable) {
            styleNotYetAvailable = new RenderStyle();
            styleNotYetAvailable->setDisplay(NONE);
            styleNotYetAvailable->ref();
        }
        return styleNotYetAvailable;
    }

    // set some variables we will need
    pseudoState = PseudoUnknown;

    element = e;
    parentNode = e->parentNode();
    parentStyle = (parentNode && parentNode->renderer()) ?
                  parentNode->renderer()->style() : fallbackParentStyle;
    view = element->document()->view();
    part = view->part();
    settings = part->settings();
    logicalDpiY = element->document()->logicalDpiY();

    // reset dynamic DOM dependencies
    e->document()->dynamicDomRestyler().resetDependencies(e);

    style = new RenderStyle();
    if (parentStyle) {
        style->inheritFrom(parentStyle);
    } else {
        parentStyle = style;
    }

    const RenderObject *docElementRenderer = e->document()->documentElement()->renderer();
    m_rootStyle = docElementRenderer ? docElementRenderer->style() : m_rootDefaultStyle;

    // try to sort out most style rules as early as possible.
    quint16 cssTagId = localNamePart(element->id());
    int smatch = 0;
    int schecked = 0;

    // do aggressive selection of selectors to check
    // instead of going over whole constructed list,
    // skip selectors that won't match for sure (e.g. with different id or class)
    QVarLengthArray<int> selectorsForCheck;
    // add unknown selectors to always be checked
    for (unsigned int i = otherSelector; i < selectors_size; i = nextSimilarSelector[i]) {
        selectorsForCheck.append(i);
    }
    // check if we got class attribute on element: add selectors with it to the list
    if (e->hasClass()) {
        const ClassNames &classNames = element->classNames();
        for (unsigned int i = 0; i < classNames.size(); ++i) {
            WTF::HashMap<quintptr, int>::iterator it = classSelector.find((quintptr)classNames[i].impl());
            if (it != classSelector.end())
                for (unsigned int j = it->second; j < selectors_size; j = nextSimilarSelector[j]) {
                    selectorsForCheck.append(j);
                }
        }
    }
    // check if we got id attribute on element: add selectors with it to the list
    DOMStringImpl *idValue = element->getAttributeImplById(ATTR_ID);
    if (idValue && idValue->length()) {
        bool caseSensitive = (e->document()->htmlMode() == DocumentImpl::XHtml) || strictParsing;
        AtomicString elementId = caseSensitive ? idValue : idValue->lower();
        WTF::HashMap<quintptr, int>::iterator it = idSelector.find((quintptr)elementId.impl());
        if (it != idSelector.end())
            for (unsigned int j = it->second; j < selectors_size; j = nextSimilarSelector[j]) {
                selectorsForCheck.append(j);
            }
    }
    // add all selectors with given local tag
    WTF::HashMap<unsigned, int>::iterator it = tagSelector.find(cssTagId);
    if (it != tagSelector.end())
        for (unsigned int j = it->second; j < selectors_size; j = nextSimilarSelector[j]) {
            selectorsForCheck.append(j);
        }

    // build per-element cache summaries.
    prepareToMatchElement(element, true);

    propsToApply.clear();
    pseudoProps.clear();
    // now go over selectors that we prepared for check
    // selectors yet in random order, so we store only matched selector indexes to sort after
    unsigned amountOfMatchedSelectors = 0;
    for (int k = 0; k < selectorsForCheck.size(); ++k) {
        unsigned i = selectorsForCheck[k];
        quint16 tag = selectors[i]->tagLocalName.id();
        if (cssTagId == tag || tag == anyLocalName) {
            ++schecked;
            checkSelector(i, e);
            if (selectorCache[i].state == Applies || selectorCache[i].state == AppliesPseudo) {
                selectorsForCheck[amountOfMatchedSelectors++] = i;
            }
        } else {
            selectorCache[i].state = Invalid;
        }
    }

    // sort only matched selectors and then collect properties
    qSort(selectorsForCheck.data(), selectorsForCheck.data() + amountOfMatchedSelectors);
    for (unsigned k = 0; k < amountOfMatchedSelectors; ++k) {
        unsigned i = selectorsForCheck[k];
        if (selectorCache[i].state == Applies) {
            ++smatch;
            for (unsigned p = selectorCache[i].firstPropertyIndex; p < properties_size; p = nextPropertyIndexes[p]) {
                propsToApply.append(propertiesBuffer + p);
            }
        } else if (selectorCache[i].state == AppliesPseudo) {
            for (unsigned p = selectorCache[i].firstPropertyIndex; p < properties_size; p = nextPropertyIndexes[p]) {
                pseudoProps.append(propertiesBuffer + p);
                propertiesBuffer[p].pseudoId = (RenderStyle::PseudoId) selectors[i]->pseudoId;
            }
        }
    }
    // clear selectorsForCheck, it shouldn't be used after
    selectorsForCheck.clear();

    // Inline style declarations, after all others.
    // Non-css hints from presentational attributes will also be collected here
    // receiving the proper priority so has to cascade from before author rules (cf.CSS 2.1-6.4.4).
    addInlineDeclarations(e);

//     qDebug( "styleForElement( %s )", e->tagName().string().toLatin1().constData() );
//     qDebug( "%d selectors, %d checked,  %d match,  %d properties ( of %d )",
//      selectors_size, schecked, smatch, numPropsToApply, properties_size );

    if (propsToApply.size()) {
        bubbleSort(propsToApply.data(), propsToApply.data() + propsToApply.size() - 1);
    }
    if (pseudoProps.size()) {
        bubbleSort(pseudoProps.data(), pseudoProps.data() + pseudoProps.size() - 1);
    }

    // we can't apply style rules without a view() and a part. This
    // tends to happen on delayed destruction of widget Renderobjects
    if (part) {
        fontDirty = false;

        if (propsToApply.size()) {
            for (unsigned int i = 0; i < propsToApply.size(); ++i) {
                if (fontDirty && propsToApply[i]->priority >= (1 << 30)) {
                    // we are past the font properties, time to update to the
                    // correct font
#ifdef APPLE_CHANGES
                    checkForGenericFamilyChange(style, parentStyle);
#endif
                    style->htmlFont().update(logicalDpiY);
                    fontDirty = false;
                }
                DOM::CSSProperty *prop = propsToApply[i]->prop;
//      if (prop->m_id == CSS_PROP__KONQ_USER_INPUT) qDebug() << "El: "<<e->nodeName().string() << " user-input: "<<((CSSPrimitiveValueImpl *)prop->value())->getIdent();
//      if (prop->m_id == CSS_PROP_TEXT_TRANSFORM) qDebug() << "El: "<<e->nodeName().string();
                applyRule(prop->m_id, prop->value());
            }
            if (fontDirty) {
#ifdef APPLE_CHANGES
                checkForGenericFamilyChange(style, parentStyle);
#endif
                style->htmlFont().update(logicalDpiY);
            }
        }

        // Clean up our style object's display and text decorations (among other fixups).
        adjustRenderStyle(style, e);

        if (pseudoProps.size()) {
            fontDirty = false;
            //qDebug("%d applying %d pseudo props", e->cssTagId(), pseudoProps->count() );
            for (unsigned int i = 0; i < pseudoProps.size(); ++i) {
                if (fontDirty && pseudoProps[i]->priority >= (1 << 30)) {
                    // we are past the font properties, time to update to the
                    // correct font
                    //We have to do this for all pseudo styles
                    RenderStyle *pseudoStyle = style->pseudoStyle;
                    while (pseudoStyle) {
                        pseudoStyle->htmlFont().update(logicalDpiY);
                        pseudoStyle = pseudoStyle->pseudoStyle;
                    }
                    fontDirty = false;
                }

                RenderStyle *pseudoStyle;
                pseudoStyle = style->getPseudoStyle(pseudoProps[i]->pseudoId);
                if (!pseudoStyle) {
                    pseudoStyle = style->addPseudoStyle(pseudoProps[i]->pseudoId);
                    if (pseudoStyle) {
                        pseudoStyle->inheritFrom(style);
                    }
                }

                RenderStyle *oldStyle = style;
                RenderStyle *oldParentStyle = parentStyle;
                parentStyle = style;
                style = pseudoStyle;
                if (pseudoStyle) {
                    DOM::CSSProperty *prop = pseudoProps[i]->prop;
                    applyRule(prop->m_id, prop->value());
                }
                style = oldStyle;
                parentStyle = oldParentStyle;
            }

            if (fontDirty) {
                RenderStyle *pseudoStyle = style->pseudoStyle;
                while (pseudoStyle) {
                    pseudoStyle->htmlFont().update(logicalDpiY);
                    pseudoStyle = pseudoStyle->pseudoStyle;
                }
            }
        }
    }

    // Now adjust all our pseudo-styles.
    RenderStyle *pseudoStyle = style->pseudoStyle;
    while (pseudoStyle) {
        adjustRenderStyle(pseudoStyle, 0);
        pseudoStyle = pseudoStyle->pseudoStyle;
    }

    // Try and share or partially share the style with our siblings
    RenderStyle *commonStyle = locateSimilarStyle();
    if (commonStyle) {
        style->compactWith(commonStyle);
    }

    // Now return the style.
    return style;
}

void CSSStyleSelector::prepareToMatchElement(DOM::ElementImpl *e, bool withDeps)
{
    rememberDependencies = withDeps;
    element              = e;

    // build caches for element so it could be used in heuristic for descendant selectors
    // go up the tree and cache possible tags, classes and ids
    tagCache.clear();
    idCache.clear();
    classCache.clear();
    ElementImpl *current = element;
    while (true) {
        NodeImpl *parent = current->parentNode();
        if (!parent || !parent->isElementNode()) {
            break;
        }
        current = static_cast<ElementImpl *>(parent);

        if (current->hasClass()) {
            const ClassNames &classNames = current->classNames();
            for (unsigned i = 0; i < classNames.size(); ++i) {
                classCache.add((quintptr)classNames[i].impl());
            }
        }

        DOMStringImpl *idValue = current->getAttributeImplById(ATTR_ID);
        if (idValue && idValue->length()) {
            bool caseSensitive = (current->document()->htmlMode() == DocumentImpl::XHtml) || strictParsing;
            AtomicString currentId = caseSensitive ? idValue : idValue->lower();
            // though currentId is local and could be deleted from AtomicStringImpl cache right away
            // don't care about that, cause selector values are stable and only they will be checked later
            idCache.add((quintptr)currentId.impl());
        }

        tagCache.add(localNamePart(current->id()));
    }
}

void CSSStyleSelector::adjustRenderStyle(RenderStyle *style, DOM::ElementImpl *e)
{
    // Cache our original display.
    style->setOriginalDisplay(style->display());

    if (style->display() != NONE) {
        // If we have a <td> that specifies a float property, in quirks mode we just drop the float
        // property.
        // Sites also commonly use display:inline/block on <td>s and <table>s.  In quirks mode we force
        // these tags to retain their display types.
        if (!strictParsing && e) {
            if (e->id() == ID_TD) {
                style->setDisplay(TABLE_CELL);
                style->setFloating(FNONE);
            } else if (e->id() == ID_TABLE) {
                style->setDisplay(style->isDisplayInlineType() ? INLINE_TABLE : TABLE);
            }
        }

        // Table headers with a text-align of auto will change the text-align to center.
        if (e && e->id() == ID_TH && style->textAlign() == TAAUTO) {
            style->setTextAlign(CENTER);
        }

        // Mutate the display to BLOCK or TABLE for certain cases, e.g., if someone attempts to
        // position or float an inline, compact, or run-in.  Cache the original display, since it
        // may be needed for positioned elements that have to compute their static normal flow
        // positions.  We also force inline-level roots to be block-level.
        if (style->display() != BLOCK && style->display() != TABLE /*&& style->display() != BOX*/ &&
                (style->position() == PABSOLUTE || style->position() == PFIXED || style->floating() != FNONE ||
                 (e && e->document()->documentElement() == e))) {
            if (style->display() == INLINE_TABLE) {
                style->setDisplay(TABLE);
            }
//             else if (style->display() == INLINE_BOX)
//                 style->setDisplay(BOX);
            else if (style->display() == LIST_ITEM) {
                // It is a WinIE bug that floated list items lose their bullets, so we'll emulate the quirk,
                // but only in quirks mode.
                if (!strictParsing && style->floating() != FNONE) {
                    style->setDisplay(BLOCK);
                }
            } else {
                style->setDisplay(BLOCK);
            }
        } else if (e && e->id() == ID_BUTTON && style->isOriginalDisplayInlineType()) {
            // <button>s are supposed to be replaced elements; but we don't handle
            // them as such (as they are rendered as CSS contexts, not natives
            // with intrinsic sizes), so we must be careful not to make them fully
            // inline, as that will display stuff like width:; so mutate inline-like
            // display types into inline-block
            style->setDisplay(INLINE_BLOCK);
        }

        // After performing the display mutation, check our position.  We do not honor position:relative on
        // table rows and some other table displays. This is undefined behaviour in CSS2.1 (cf. 9.3.1)
        if (style->position() == PRELATIVE) {
            switch (style->display()) {
            case TABLE_ROW_GROUP:
            case TABLE_HEADER_GROUP:
            case TABLE_FOOTER_GROUP:
            case TABLE_ROW:
                style->setPosition(PSTATIC);
            default:
                break;
            }
        }
    }

    // Frames and framesets never honor position:relative or position:absolute.  This is necessary to
    // fix a crash where a site tries to position these objects.
    if (e) {
        // ignore display: none for <frame>
        if (e->id() == ID_FRAME) {
            style->setPosition(PSTATIC);
            style->setDisplay(BLOCK);
        } else if (e->id() == ID_FRAMESET) {
            style->setPosition(PSTATIC);
        }
    }

    // Finally update our text decorations in effect, but don't allow text-decoration to percolate through
    // tables, inline blocks, inline tables, or run-ins.
    if (style->display() == TABLE || style->display() == INLINE_TABLE || style->display() == RUN_IN
            || style->display() == INLINE_BLOCK /*|| style->display() == INLINE_BOX*/) {
        style->setTextDecorationsInEffect(style->textDecoration());
    } else {
        style->addToTextDecorationsInEffect(style->textDecoration());
    }

    // If either overflow value is not visible, change to auto.
    if (style->overflowX() == OMARQUEE && style->overflowY() != OMARQUEE) {
        style->setOverflowY(OMARQUEE);
    } else if (style->overflowY() == OMARQUEE && style->overflowX() != OMARQUEE) {
        style->setOverflowX(OMARQUEE);
    } else if (style->overflowX() == OVISIBLE && style->overflowY() != OVISIBLE) {
        style->setOverflowX(OAUTO);
    } else if (style->overflowY() == OVISIBLE && style->overflowX() != OVISIBLE) {
        style->setOverflowY(OAUTO);
    }

    // Table rows, sections and the table itself will support overflow:hidden and will ignore scroll/auto.
    // FIXME: Eventually table sections will support auto and scroll.
    if (style->display() == TABLE || style->display() == INLINE_TABLE ||
            style->display() == TABLE_ROW_GROUP || style->display() == TABLE_ROW) {
        if (style->overflowX() != OVISIBLE && style->overflowX() != OHIDDEN) {
            style->setOverflowX(OVISIBLE);
        }
        if (style->overflowY() != OVISIBLE && style->overflowY() != OHIDDEN) {
            style->setOverflowY(OVISIBLE);
        }

        // do comparable resets as Mozilla's nsStyleContext::ApplyStyleFixups
        // except they decided to do it only for center and right, for whatever strange reason. cf.#193093
        if (style->display() == TABLE && (style->textAlign() == KHTML_LEFT ||
                                          style->textAlign() == KHTML_RIGHT ||
                                          style->textAlign() == KHTML_CENTER)) {
            style->setTextAlign(TAAUTO);
        }

    }

    // Cull out any useless layers and also repeat patterns into additional layers.
    style->adjustBackgroundLayers();
}

void CSSStyleSelector::addInlineDeclarations(DOM::ElementImpl *e)
{
    CSSStyleDeclarationImpl *inlineDecls = e->inlineStyleDecls();
    CSSStyleDeclarationImpl *nonCSSDecls = e->nonCSSStyleDecls();
    if (!inlineDecls && !nonCSSDecls) {
        return;
    }

    QList<CSSProperty *> *values = inlineDecls ? inlineDecls->values() : 0;
    QList<CSSProperty *> *nonCSSValues = nonCSSDecls ? nonCSSDecls->values() : 0;
    if (!values && !nonCSSValues) {
        return;
    }

    int firstLen = values ? values->count() : 0;
    int secondLen = nonCSSValues ? nonCSSValues->count() : 0;
    int totalLen = firstLen + secondLen;

    if (inlineProps.size() < totalLen) {
        inlineProps.resize(totalLen + 1);
    }
    propsToApply.reserveCapacity(propsToApply.size() + totalLen);

    bool inNonCSSDecls = false;
    CSSOrderedProperty *array = (CSSOrderedProperty *)inlineProps.data();
    for (int i = 0; i < totalLen; i++) {
        if (i == firstLen) {
            values = nonCSSValues;
            inNonCSSDecls = true;
        }

        CSSProperty *prop = values->at(i >= firstLen ? i - firstLen : i);
        Source source = Inline;

        if (prop->m_important) {
            source = InlineImportant;
        }
        if (inNonCSSDecls) {
            source = NonCSSHint;
        }

        bool first;
        // give special priority to font-xxx, color properties
        switch (prop->m_id) {
        case CSS_PROP_FONT_STYLE:
        case CSS_PROP_FONT_SIZE:
        case CSS_PROP_FONT_WEIGHT:
        case CSS_PROP_FONT_FAMILY:
        case CSS_PROP_FONT_VARIANT:
        case CSS_PROP_FONT:
        case CSS_PROP_COLOR:
        case CSS_PROP_DIRECTION:
        case CSS_PROP_DISPLAY:
            // these have to be applied first, because other properties use the computed
            // values of these properties.
            first = true;
            break;
        default:
            first = false;
            break;
        }

        array->prop = prop;
        array->pseudoId = RenderStyle::NOPSEUDO;
        array->selector = 0;
        array->position = i;
        array->priority = (!first << 30) | (source << 24);
        propsToApply.append(array++);
    }
}

// modified version of the one in kurl.cpp
static void cleanpath(QString &path)
{
    int pos;
    while ((pos = path.indexOf(QLatin1String("/../"))) != -1) {
        int prev = 0;
        if (pos > 0) {
            prev = path.lastIndexOf(QLatin1Char('/'), pos - 1);
        }
        // don't remove the host, i.e. http://foo.org/../foo.html
        if (prev < 0 || (prev > 3 && path.midRef(prev - 2, 3) == QLatin1String("://"))) {
            path.remove(pos, 3);
        } else
            // matching directory found ?
        {
            path.remove(prev, pos - prev + 3);
        }
    }
    pos = 0;

    // Don't remove "//" from an anchor identifier. -rjw
    // Set refPos to -2 to mean "I haven't looked for the anchor yet".
    // We don't want to waste a function call on the search for the anchor
    // in the vast majority of cases where there is no "//" in the path.
    int refPos = -2;
    while ((pos = path.indexOf(QLatin1String("//"), pos)) != -1) {
        if (refPos == -2) {
            refPos = path.indexOf(QLatin1Char('#'), 0);
        }
        if (refPos > 0 && pos >= refPos) {
            break;
        }

        if (pos == 0 || path[pos - 1] != QLatin1Char(':')) {
            path.remove(pos, 1);
        } else {
            pos += 2;
        }
    }
    while ((pos = path.indexOf(QLatin1String("/./"))) != -1) {
        path.remove(pos, 2);
    }
    //qDebug() << "checkPseudoState " << path;
}

static PseudoState checkPseudoState(const CSSStyleSelector::Encodedurl &encodedurl, DOM::ElementImpl *e)
{
    if (e->id() != ID_A) {
        return PseudoNone;
    }
    DOMString attr = e->getAttribute(ATTR_HREF);
    if (attr.isNull()) {
        return PseudoNone;
    }
    QString url = QString::fromRawData(attr.unicode(), attr.length());
    if (!url.contains(QLatin1String("://"))) {
        if (url[0] == QLatin1Char('/')) {
            url = encodedurl.host + url;
        } else if (url[0] == QLatin1Char('#')) {
            url = encodedurl.file + url;
        } else {
            url = encodedurl.path + url;
        }
        cleanpath(url);
    }
    //completeURL( attr.string() );
    bool contains = KHTMLGlobal::vLinks()->contains(url);
    if (!contains && url.count(QLatin1Char('/')) == 2) {
        contains = KHTMLGlobal::vLinks()->contains(url + QLatin1Char('/'));
    }
    return contains ? PseudoVisited : PseudoLink;
}

// a helper function for parsing nth-arguments
static bool matchNth(int count, const QString &nth)
{
    if (nth.isEmpty()) {
        return false;
    }
    int a = 0;
    int b = 0;
    bool ok = true;
    if (nth == "odd") {
        a = 2;
        b = 1;
    } else if (nth == "even") {
        a = 2;
        b = 0;
    } else {
        int n = nth.indexOf('n'), l = nth.length();
        if (n != -1) {
            int i = 0, j, sgn = 0;
            // skip trailing spaces
            while (i < n && nth[i].isSpace()) {
                ++i;
            }

            // check sign
            if (nth[i] == '-') {
                sgn = -1;
                ++i;
            } else if (nth[i] == '+') {
                sgn = 1;
                ++i;
            }

            // skip spaces between '-'/'+' and digits
            while (i < n && nth[i].isSpace()) {
                ++i;
            }

            // find the number before 'n'
            for (j = i; j < n && nth[j].isDigit(); ++j) {}

            // do we have number or it's assumed to be 1
            a = (i < j) ? nth.mid(i, j - i).toInt(&ok) : 1;
            if (!ok) {
                return false;
            }
            if (sgn == -1) {
                a = -a;
            }

            // should have nothing between a and n except spaces
            for (; j < n; ++j) if (!nth[j].isSpace()) {
                    return false;
                }

            // skip spaces
            for (i = n + 1; i < l && nth[i].isSpace(); ++i) {}

            // parse b
            if (i < l) {
                // must have sign
                if (nth[i] == '-') {
                    sgn = -1;
                    ++i;
                } else if (nth[i] == '+') {
                    sgn = 1;
                    ++i;
                } else {
                    return false;
                }

                // skip spaces
                while (i < l && nth[i].isSpace()) {
                    ++i;
                }

                // find digits
                for (j = i; j < l && nth[j].isDigit(); ++j) {}

                // must have digits
                if (j == i) {
                    return false;
                }

                b = sgn * nth.mid(i, j - i).toInt(&ok);
                if (!ok) {
                    return false;
                }

                // should be nothing except spaces in the end
                for (; j < l; ++j) if (!nth[j].isSpace()) {
                        return false;
                    }
            }
        } else {
            b = nth.toInt(&ok);
            if (!ok) {
                return false;
            }
        }
    }
    if (a == 0) {
        return b != 0 && count == b;
    }
    if (a > 0) {
        return (count < b) ? false : ((count - b) % a == 0);
    }
    // a < 0
    return (count > b) ? false : ((b - count) % (-a) == 0);
}

// Recursively work the combinator to compute static attribute dependency, similar to
//structure of checkSubSelectors
static void precomputeAttributeDependenciesAux(DOM::DocumentImpl *doc, DOM::CSSSelector *sel, bool isAncestor, bool isSubject)
{
    if (sel->attrLocalName.id()) {
        uint selAttr = makeId(sel->attrNamespace.id(), sel->attrLocalName.id());
        // Sets up global dependencies of attributes
        if (isSubject) {
            doc->dynamicDomRestyler().addDependency(selAttr, PersonalDependency);
        } else if (isAncestor) {
            doc->dynamicDomRestyler().addDependency(selAttr, AncestorDependency);
        } else {
            doc->dynamicDomRestyler().addDependency(selAttr, PredecessorDependency);
        }
    }
    if (sel->match == CSSSelector::PseudoClass) {
        switch (sel->pseudoType()) {
        case CSSSelector::PseudoNot:
            precomputeAttributeDependenciesAux(doc, sel->simpleSelector, isAncestor, true);
            break;
        default:
            break;
        }
    }
    CSSSelector::Relation relation = KDE_CAST_BF_ENUM(CSSSelector::Relation, sel->relation);
    sel = sel->tagHistory;
    if (!sel) {
        return;
    }

    switch (relation) {
    case CSSSelector::Descendant:
    case CSSSelector::Child:
        precomputeAttributeDependenciesAux(doc, sel, true, false);
        break;
    case CSSSelector::IndirectAdjacent:
    case CSSSelector::DirectAdjacent:
        precomputeAttributeDependenciesAux(doc, sel, false, false);
        break;
    case CSSSelector::SubSelector:
        precomputeAttributeDependenciesAux(doc, sel, isAncestor, isSubject);
        break;
    }
}

void CSSStyleSelector::precomputeAttributeDependencies(DOM::DocumentImpl *doc, DOM::CSSSelector *sel)
{
    precomputeAttributeDependenciesAux(doc, sel, false, true);
}

// Recursive check of selectors and combinators
// It can return 3 different values:
// * SelectorMatches - the selector is match for the node e
// * SelectorFailsLocal - the selector fails for the node e
// * SelectorFails - the selector fails for e and any sibling or ancestor of e
CSSStyleSelector::SelectorMatch CSSStyleSelector::checkSelector(DOM::CSSSelector *sel, DOM::ElementImpl *e, bool isAncestor, bool isSubSelector)
{
    // The simple selector has to match
    if (!checkSimpleSelector(sel, e, isAncestor, isSubSelector)) {
        return SelectorFailsLocal;
    }

    // The rest of the selectors has to match
    CSSSelector::Relation relation = KDE_CAST_BF_ENUM(CSSSelector::Relation, sel->relation);

    // Prepare next sel
    sel = sel->tagHistory;
    if (!sel) {
        return SelectorMatches;
    }

    switch (relation) {
    case CSSSelector::Descendant: {
        // if ancestor of original element we may want to check prepared caches first
        // whether given selector could possibly have a match
        // if no we return SelectorFails result right away and avoid going up the tree
        if (isAncestor) {
            int id = sel->tagLocalName.id();
            if (id != anyLocalName && !tagCache.contains(id)) {
                return SelectorFails;
            }
            if (sel->match == CSSSelector::Class && !classCache.contains((quintptr)sel->value.impl())) {
                return SelectorFails;
            }
            if (sel->match == CSSSelector::Id && !idCache.contains((quintptr)sel->value.impl())) {
                return SelectorFails;
            }
        }

        while (true) {
            DOM::NodeImpl *n = e->parentNode();
            if (!n || !n->isElementNode()) {
                return SelectorFails;
            }
            e = static_cast<ElementImpl *>(n);
            SelectorMatch match = checkSelector(sel, e, true);
            if (match != SelectorFailsLocal) {
                return match;
            }
        }
        break;
    }
    case CSSSelector::Child: {
        DOM::NodeImpl *n = e->parentNode();
        if (!strictParsing)
            while (n && n->implicitNode()) {
                n = n->parentNode();
            }
        if (!n || !n->isElementNode()) {
            return SelectorFails;
        }
        e = static_cast<ElementImpl *>(n);
        return checkSelector(sel, e, true);
    }
    case CSSSelector::IndirectAdjacent: {
        // Sibling selectors always generate structural dependencies
        // because newly inserted element might fullfill them.
        if (e->parentNode() && e->parentNode()->isElementNode()) {
            addDependency(StructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
        }
        while (true) {
            DOM::NodeImpl *n = e->previousSibling();
            while (n && !n->isElementNode()) {
                n = n->previousSibling();
            }
            if (!n) {
                return SelectorFailsLocal;
            }
            e = static_cast<ElementImpl *>(n);
            SelectorMatch match = checkSelector(sel, e, false);
            if (match != SelectorFailsLocal) {
                return match;
            }
        };
        break;
    }
    case CSSSelector::DirectAdjacent: {
        if (e->parentNode() && e->parentNode()->isElementNode()) {
            addDependency(StructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
        }
        DOM::NodeImpl *n = e->previousSibling();
        while (n && !n->isElementNode()) {
            n = n->previousSibling();
        }
        if (!n) {
            return SelectorFailsLocal;
        }
        e = static_cast<ElementImpl *>(n);
        return checkSelector(sel, e, false);
    }
    case CSSSelector::SubSelector:
        return checkSelector(sel, e, isAncestor, true);
    }
    assert(false); // never reached
    return SelectorFails;
}

void CSSStyleSelector::checkSelector(int selIndex, DOM::ElementImpl *e)
{
    assert(e == element); // yes, actually

    dynamicPseudo = RenderStyle::NOPSEUDO;

    selectorCache[ selIndex ].state = Invalid;
    CSSSelector *sel = selectors[ selIndex ];

    // Check the selector
    SelectorMatch match = checkSelector(sel, e, true);
    if (match != SelectorMatches) {
        return;
    }

    if (dynamicPseudo != RenderStyle::NOPSEUDO) {
        selectorCache[selIndex].state = AppliesPseudo;
        selectors[ selIndex ]->pseudoId = dynamicPseudo;
    } else {
        selectorCache[ selIndex ].state = Applies;
    }
    //qDebug( "selector %d applies", selIndex );
    //selectors[ selIndex ]->print();
    return;
}

bool CSSStyleSelector::isMatchedByAnySelector(DOM::ElementImpl *e, const QList<DOM::CSSSelector *> &sels)
{
    bool inited = false;

    quint16 elementTagId = localNamePart(e->id());

    // ### this may introduce extraneous restyling dependencies
    for (int i = 0; i < sels.size(); ++i) {
        DOM::CSSSelector *sel = sels[i];
        quint16 tag = sel->tagLocalName.id();
        if (elementTagId == tag || tag == anyLocalName) {
            if (!inited) {
                prepareToMatchElement(e, false);
                inited = true;
            }

            dynamicPseudo = RenderStyle::NOPSEUDO;
            SelectorMatch match = checkSelector(sel, e, true);

            if (match == SelectorMatches && dynamicPseudo == RenderStyle::NOPSEUDO) {
                return true;
            }
        }
    }

    return false;
}

void CSSStyleSelector::addDependency(int dependencyType, ElementImpl *dependency)
{
    if (!rememberDependencies) {
        return;
    }
    element->document()->dynamicDomRestyler().addDependency(element, dependency, (StructuralDependencyType)dependencyType);
}

bool CSSStyleSelector::checkSimpleSelector(DOM::CSSSelector *sel, DOM::ElementImpl *e, bool isAncestor, bool isSubSelector)
{
    uint selTag = makeId(sel->tagNamespace.id(), sel->tagLocalName.id());
    if (selTag != anyQName) {
        int eltID = e->id();
        quint16 localName = localNamePart(eltID);
        quint16 ns = namespacePart(eltID);
        quint16 selLocalName = localNamePart(selTag);
        quint16 selNS = namespacePart(selTag);

        // match on local
        if (selLocalName != anyLocalName && localName != selLocalName) {
            return false;
        }
        // match on namespace
        if (selNS != anyNamespace && ns != selNS) {
            return false;
        }
    }

    uint selAttr = makeId(sel->attrNamespace.id(), sel->attrLocalName.id());
    if (selAttr) {
        // "class" is special attribute which is pre-parsed for fast look-ups
        // avoid ElementImpl::getAttributeImpl here, as we don't need it
        if (sel->match == CSSSelector::Class) {
            return e->hasClass() && e->classNames().contains(sel->value);
        }

        DOMStringImpl *value = e->getAttributeImplById(selAttr);
        if (!value) {
            return false;    // attribute is not set
        }

        // attributes are always case-sensitive in XHTML
        // attributes are sometimes case-sensitive in HTML
        bool caseSensitive = (e->document()->htmlMode() == DocumentImpl::XHtml) || caseSensitiveAttr(selAttr);

        switch (sel->match) {
        case CSSSelector::Set:
            // True if we make it this far
            break;
        case CSSSelector::Id:
            // treat id selectors as case-sensitive in HTML strict
            // for compatibility reasons
            caseSensitive = (e->document()->htmlMode() == DocumentImpl::XHtml) || strictParsing;
        // no break
        case CSSSelector::Exact:
            return caseSensitive ?
                   !strcmp(sel->value.impl(), value) :
                   !strcasecmp(sel->value.impl(), value);
            break;
        case CSSSelector::List: {
            int sel_len = sel->value.length();
            int val_len = value->length();
            // Be smart compare on length first
            if ((!sel_len && !val_len) || sel_len > val_len) {
                return false;
            }
            // Selector string may not contain spaces
            if ((selAttr != ATTR_CLASS || e->hasClass()) && sel->value.string().find(' ') != -1) {
                return false;
            }
            if (sel_len == val_len)
                return caseSensitive ?
                       !strcmp(sel->value.impl(), value) :
                       !strcasecmp(sel->value.impl(), value);
            // else the value is longer and can be a list

            QChar *sel_uc = sel->value.string().unicode();
            QChar *val_uc = value->unicode();

            QString sel_str = QString::fromRawData(sel_uc, sel_len);
            QString val_str = QString::fromRawData(val_uc, val_len);

            int pos = 0;
            for (;;) {
                pos = val_str.indexOf(sel_str, pos, caseSensitive ? Qt::CaseSensitive : Qt::CaseInsensitive);
                if (pos == -1) {
                    return false;
                }
                if (pos == 0 || val_uc[pos - 1].isSpace()) {
                    int endpos = pos + sel_len;
                    if (endpos >= val_len || val_uc[endpos].isSpace()) {
                        break;    // We have a match.
                    }
                }
                ++pos;
            }
            break;
        }
        case CSSSelector::Contain: {
            //qDebug() << "checking for contains match";
            QString val_str = QString::fromRawData(value->unicode(), value->length());
            QString sel_str = QString::fromRawData(sel->value.string().unicode(), sel->value.length());
            return val_str.contains(sel_str, caseSensitive ? Qt::CaseSensitive : Qt::CaseInsensitive) && !sel_str.isEmpty();
        }
        case CSSSelector::Begin: {
            //qDebug() << "checking for beginswith match";
            DOMStringImpl *selValue = sel->value.impl();
            return selValue && selValue->length() && value->startsWith(selValue, caseSensitive ? DOM::CaseSensitive : DOM::CaseInsensitive);
        }
        case CSSSelector::End: {
            //qDebug() << "checking for endswith match";
            DOMStringImpl *selValue = sel->value.impl();
            return selValue && selValue->length() && value->endsWith(selValue, caseSensitive ? DOM::CaseSensitive : DOM::CaseInsensitive);
        }
        case CSSSelector::Hyphen: {
            //qDebug() << "checking for hyphen match";
            DOMStringImpl *selValue = sel->value.impl();
            if (value->length() < selValue->length()) {
                return false;
            }
            // Check if value begins with selStr:
            if (!value->startsWith(selValue, caseSensitive ? DOM::CaseSensitive : DOM::CaseInsensitive)) {
                return false;
            }
            // It does. Check for exact match or following '-':
            return value->length() == selValue->length() || (*value)[selValue->length()].unicode() == '-';
        }
        case CSSSelector::PseudoClass:
        case CSSSelector::PseudoElement:
        case CSSSelector::None:
            break;
        }
    }

    if (sel->match == CSSSelector::PseudoClass || sel->match == CSSSelector::PseudoElement) {
        switch (sel->pseudoType()) {
        // Pseudo classes:
        case CSSSelector::PseudoEmpty: {
            addDependency(BackwardsStructuralDependency, e);
            // If e is not closed yet we don't know the number of children
            if (!e->closed()) {
                return false;
            }
            NodeImpl *t = e->firstChild();

            // check for empty text nodes and comments
            while (t && (t->nodeType() == Node::COMMENT_NODE ||
                         (t->isTextNode() && static_cast<TextImpl *>(t)->length() == 0))) {
                t = t->nextSibling();
            }

            return !t;
            break;
        }
        case CSSSelector::PseudoFirstChild: {
            // first-child matches the first child that is an element!
            if (e->parentNode() && e->parentNode()->isElementNode()) {
                // Handle dynamic DOM changes
                addDependency(StructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
                DOM::NodeImpl *n = e->previousSibling();
                while (n && !n->isElementNode()) {
                    n = n->previousSibling();
                }
                if (!n) {
                    return true;
                }
            }
            break;
        }
        case CSSSelector::PseudoLastChild: {
            // last-child matches the last child that is an element!
            if (e->parentNode() && e->parentNode()->isElementNode()) {
                // Handle unfinished parsing and dynamic DOM changes
                addDependency(BackwardsStructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
                if (!e->parentNode()->closed()) {
//                     qDebug() << e->nodeName().string() << "::last-child: Parent unclosed";
                    return false;
                }
                DOM::NodeImpl *n = e->nextSibling();
                while (n && !n->isElementNode()) {
                    n = n->nextSibling();
                }
                if (!n) {
                    return true;
                }
            }
            break;
        }
        case CSSSelector::PseudoOnlyChild: {
            // If both first-child and last-child apply, then only-child applies.
            if (e->parentNode() && e->parentNode()->isElementNode()) {
                addDependency(BackwardsStructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
                if (!e->parentNode()->closed()) {
                    return false;
                }
                DOM::NodeImpl *n = e->previousSibling();
                while (n && !n->isElementNode()) {
                    n = n->previousSibling();
                }
                if (!n) {
                    n = e->nextSibling();
                    while (n && !n->isElementNode()) {
                        n = n->nextSibling();
                    }
                    if (!n) {
                        return true;
                    }
                }
            }
            break;
        }
        case CSSSelector::PseudoNthChild: {
            // nth-child matches every (a*n+b)th element!
            if (e->parentNode() && e->parentNode()->isElementNode()) {
                addDependency(StructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
                int count = 1;
                DOM::NodeImpl *n = e->previousSibling();
                while (n) {
                    if (n->isElementNode()) {
                        count++;
                    }
                    n = n->previousSibling();
                }
//                 qDebug() << "NthChild " << count << "=" << sel->string_arg;
                if (matchNth(count, sel->string_arg.string())) {
                    return true;
                }
            }
            break;
        }
        case CSSSelector::PseudoNthLastChild: {
            if (e->parentNode() && e->parentNode()->isElementNode()) {
                addDependency(BackwardsStructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
                if (!e->parentNode()->closed()) {
                    return false;
                }
                int count = 1;
                DOM::NodeImpl *n = e->nextSibling();
                while (n) {
                    if (n->isElementNode()) {
                        count++;
                    }
                    n = n->nextSibling();
                }
//                qDebug() << "NthLastChild " << count << "=" << sel->string_arg;
                if (matchNth(count, sel->string_arg.string())) {
                    return true;
                }
            }
            break;
        }
        case CSSSelector::PseudoFirstOfType: {
            // first-of-type matches the first element of its type!
            if (e->parentNode() && e->parentNode()->isElementNode()) {
                addDependency(StructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
                const DOMString &type = e->tagName();
                DOM::NodeImpl *n = e->previousSibling();
                while (n) {
                    if (n->isElementNode())
                        if (static_cast<ElementImpl *>(n)->tagName() == type) {
                            break;
                        }
                    n = n->previousSibling();
                }
                if (!n) {
                    return true;
                }
            }
            break;
        }
        case CSSSelector::PseudoLastOfType: {
            // last-child matches the last child that is an element!
            if (e->parentNode() && e->parentNode()->isElementNode()) {
                addDependency(BackwardsStructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
                if (!e->parentNode()->closed()) {
                    return false;
                }
                const DOMString &type = e->tagName();
                DOM::NodeImpl *n = e->nextSibling();
                while (n) {
                    if (n->isElementNode())
                        if (static_cast<ElementImpl *>(n)->tagName() == type) {
                            break;
                        }
                    n = n->nextSibling();
                }
                if (!n) {
                    return true;
                }
            }
            break;
        }
        case CSSSelector::PseudoOnlyOfType: {
            // If both first-of-type and last-of-type apply, then only-of-type applies.
            if (e->parentNode() && e->parentNode()->isElementNode()) {
                addDependency(BackwardsStructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
                if (!e->parentNode()->closed()) {
                    return false;
                }
                const DOMString &type = e->tagName();
                DOM::NodeImpl *n = e->previousSibling();
                while (n && !(n->isElementNode() && static_cast<ElementImpl *>(n)->tagName() == type)) {
                    n = n->previousSibling();
                }
                if (!n) {
                    n = e->nextSibling();
                    while (n && !(n->isElementNode() && static_cast<ElementImpl *>(n)->tagName() == type)) {
                        n = n->nextSibling();
                    }
                    if (!n) {
                        return true;
                    }
                }
            }
            break;
        }
        case CSSSelector::PseudoNthOfType: {
            // nth-of-type matches every (a*n+b)th element of this type!
            if (e->parentNode() && e->parentNode()->isElementNode()) {
                addDependency(StructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
                int count = 1;
                const DOMString &type = e->tagName();
                DOM::NodeImpl *n = e->previousSibling();
                while (n) {
                    if (n->isElementNode() && static_cast<ElementImpl *>(n)->tagName() == type) {
                        count++;
                    }
                    n = n->previousSibling();
                }
//                qDebug() << "NthOfType " << count << "=" << sel->string_arg;
                if (matchNth(count, sel->string_arg.string())) {
                    return true;
                }
            }
            break;
        }
        case CSSSelector::PseudoNthLastOfType: {
            if (e->parentNode() && e->parentNode()->isElementNode()) {
                addDependency(BackwardsStructuralDependency, static_cast<ElementImpl *>(e->parentNode()));
                if (!e->parentNode()->closed()) {
                    return false;
                }
                int count = 1;
                const DOMString &type = e->tagName();
                DOM::NodeImpl *n = e->nextSibling();
                while (n) {
                    if (n->isElementNode() && static_cast<ElementImpl *>(n)->tagName() == type) {
                        count++;
                    }
                    n = n->nextSibling();
                }
//                qDebug() << "NthLastOfType " << count << "=" << sel->string_arg;
                if (matchNth(count, sel->string_arg.string())) {
                    return true;
                }
            }
            break;
        }
        case CSSSelector::PseudoTarget:
            if (e == e->document()->getCSSTarget()) {
                return true;
            }
            break;
        case CSSSelector::PseudoRoot:
            if (e == e->document()->documentElement()) {
                return true;
            }
            break;
        case CSSSelector::PseudoLink:
            if (e == element) {
                // cache pseudoState
                if (pseudoState == PseudoUnknown) {
                    pseudoState = checkPseudoState(encodedurl, e);
                }
                if (pseudoState == PseudoLink) {
                    return true;
                }
            } else {
                return checkPseudoState(encodedurl, e) == PseudoLink;
            }
            break;
        case CSSSelector::PseudoVisited:
            if (e == element) {
                // cache pseudoState
                if (pseudoState == PseudoUnknown) {
                    pseudoState = checkPseudoState(encodedurl, e);
                }
                if (pseudoState == PseudoVisited) {
                    return true;
                }
            } else {
                return checkPseudoState(encodedurl, e) == PseudoVisited;
            }
            break;
        case CSSSelector::PseudoHover: {
            // If we're in quirks mode, then *:hover should only match focusable elements.
            if (strictParsing || (selTag != anyQName) || isSubSelector || e->isFocusable()) {
                addDependency(HoverDependency, e);

                if (e->hovered()) {
                    return true;
                }
            }
            break;
        }
        case CSSSelector::PseudoActive:
            // If we're in quirks mode, then *:active should only match focusable elements
            if (strictParsing || (selTag != anyQName) || isSubSelector || e->isFocusable()) {
                addDependency(ActiveDependency, e);

                if (e->active()) {
                    return true;
                }
            }
            break;
        case CSSSelector::PseudoFocus:
            if (e != element && e->isFocusable()) {
                // *:focus is a default style, no need to track it.
                addDependency(OtherStateDependency, e);
            }
            if (e->focused()) {
                return true;
            }
            break;
        case CSSSelector::PseudoLang: {
            // Set dynamic attribute dependency
            if (e == element) {
                e->document()->dynamicDomRestyler().addDependency(ATTR_LANG, PersonalDependency);
                e->document()->dynamicDomRestyler().addDependency(ATTR_LANG, AncestorDependency);
            } else if (isAncestor) {
                e->document()->dynamicDomRestyler().addDependency(ATTR_LANG, AncestorDependency);
            } else {
                e->document()->dynamicDomRestyler().addDependency(ATTR_LANG, PredecessorDependency);
            }
            // ### check xml:lang attribute in XML and XHTML documents
            DOMStringImpl *value = e->getAttributeImplById(ATTR_LANG);
            // The LANG attribute is inherited like a property
            NodeImpl *n = e->parent();
            while (n && !(value && value->length())) {
                if (n->isElementNode()) {
                    value = static_cast<ElementImpl *>(n)->getAttributeImplById(ATTR_LANG);
                } else if (n->isDocumentNode()) {
                    value = static_cast<DocumentImpl *>(n)->contentLanguage().implementation();
                }
                n = n->parent();
            }
            if (!(value && value->length())) {
                return false;
            }

            DOMStringImpl *langValue = sel->string_arg.implementation();
            if (value->length() < langValue->length()) {
                return false;
            }
            if (!value->startsWith(langValue, DOM::CaseInsensitive)) {
                return false;
            }
            if (value->length() != langValue->length() && (*value)[langValue->length()].unicode() != '-') {
                return false;
            }
            return true;
        }
        case CSSSelector::PseudoNot: {
            // check the simple selector
            for (CSSSelector *subSel = sel->simpleSelector; subSel;
                    subSel = subSel->tagHistory) {
                // :not cannot nest.  I don't really know why this is a restriction in CSS3,
                // but it is, so let's honor it.
                if (subSel->simpleSelector) {
                    break;
                }
                if (!checkSimpleSelector(subSel, e, isAncestor, true)) {
                    return true;
                }
            }
            break;
        }
        case CSSSelector::PseudoEnabled: {
            if (e->isGenericFormElement()) {
                addDependency(OtherStateDependency, e);
                HTMLGenericFormElementImpl *form;
                form = static_cast<HTMLGenericFormElementImpl *>(e);
                return !form->disabled() && !form->isHiddenInput();
            }
            break;
        }
        case CSSSelector::PseudoDisabled: {
            if (e->isGenericFormElement()) {
                addDependency(OtherStateDependency, e);
                HTMLGenericFormElementImpl *form;
                form = static_cast<HTMLGenericFormElementImpl *>(e);
                return form->disabled() && !form->isHiddenInput();
            }
            break;
        }
        case CSSSelector::PseudoContains: {
            if (e->isHTMLElement()) {
                addDependency(BackwardsStructuralDependency, e);
                if (!e->closed()) {
                    return false;
                }
                HTMLElementImpl *elem;
                elem = static_cast<HTMLElementImpl *>(e);
                DOMString s = elem->innerText();
                QString selStr = sel->string_arg.string();
//                qDebug() << ":contains(\"" << selStr << "\")" << " on \"" << s << "\"";
                return s.string().contains(selStr);
            }
            break;
        }
        case CSSSelector::PseudoDefault: {
            if (e->isGenericFormElement()) {
                return static_cast<HTMLGenericFormElementImpl *>(e)->isDefault();
            }
            break;
        }
        case CSSSelector::PseudoReadWrite:
            if (e->isGenericFormElement()) {
                HTMLGenericFormElementImpl *fe = static_cast<HTMLGenericFormElementImpl *>(e);
                // no need for dependency tracking - readonly attr change always triggers a recalc
                return fe->isEditable() && !fe->readOnly();
            } else {
                // ### contentEditable should either not be accessible from CSS, or should not trigger selection
                //     by this pseudo class. See with CSS WG.
                return e->isContentEditable();
            }
            break;
        case CSSSelector::PseudoReadOnly:
            if (e->isGenericFormElement()) {
                HTMLGenericFormElementImpl *fe = static_cast<HTMLGenericFormElementImpl *>(e);
                // no need for dependency tracking - readonly attr change always triggers a recalc
                return !fe->isEditable() || fe->readOnly();
            } else {
                // ### contentEditable should either not be accessible from CSS, or should not trigger selection
                //     by this pseudo class. See with CSS WG.
                return !e->isContentEditable();
            }
            break;
        case CSSSelector::PseudoChecked: {
            if (e->isHTMLElement() && e->id() == ID_INPUT) {
                HTMLInputElementImpl *ie = static_cast<HTMLInputElementImpl *>(e);
                addDependency(OtherStateDependency, e);
                return (ie->checked() &&
                        (ie->inputType() == HTMLInputElementImpl::RADIO || ie->inputType() == HTMLInputElementImpl::CHECKBOX));
            }
            return false;
        }
        case CSSSelector::PseudoIndeterminate: {
#if 0
            if (e->isHTMLElement() && e->id() == ID_INPUT) {
                return (static_cast<HTMLInputElementImpl *>(e)->indeterminate() &&
                        !static_cast<HTMLInputElementImpl *>(e)->checked());
            }
            return false;
#endif
        }
        case CSSSelector::PseudoOther:
            break;

        // Pseudo-elements:
        case CSSSelector::PseudoFirstLine:
        case CSSSelector::PseudoFirstLetter:
        case CSSSelector::PseudoSelection:
        case CSSSelector::PseudoBefore:
        case CSSSelector::PseudoAfter:
        case CSSSelector::PseudoMarker:
        case CSSSelector::PseudoReplaced:
            // Pseudo-elements can only apply to subject
            if (e == element) {
                // Pseudo-elements has to be the last sub-selector on subject
                if (sel->tagHistory && sel->relation == CSSSelector::SubSelector) {
                    return false;
                }

                assert(dynamicPseudo == RenderStyle::NOPSEUDO);

                switch (sel->pseudoType()) {
                case CSSSelector::PseudoFirstLine:
                    dynamicPseudo = RenderStyle::FIRST_LINE;
                    break;
                case CSSSelector::PseudoFirstLetter:
                    dynamicPseudo = RenderStyle::FIRST_LETTER;
                    break;
                case CSSSelector::PseudoSelection:
                    dynamicPseudo = RenderStyle::SELECTION;
                    break;
                case CSSSelector::PseudoBefore:
                    dynamicPseudo = RenderStyle::BEFORE;
                    break;
                case CSSSelector::PseudoAfter:
                    dynamicPseudo = RenderStyle::AFTER;
                    break;
                case CSSSelector::PseudoMarker:
                    dynamicPseudo = RenderStyle::MARKER;
                    break;
                case CSSSelector::PseudoReplaced:
                    dynamicPseudo = RenderStyle::REPLACED;
                    break;
                default:
                    assert(false);
                }
                return true;
            }
            break;
        case CSSSelector::PseudoNotParsed:
            assert(false);
            break;
        }
        return false;
    }
    // ### add the rest of the checks...
    return true;
}

void CSSStyleSelector::clearLists()
{
    delete[] selectors;
    if (selectorCache) {
        delete[] selectorCache;
        delete[] nextSimilarSelector;
    }
    if (propertiesBuffer) {
        delete[] propertiesBuffer;
        delete[] nextPropertyIndexes;
    }
    selectors = 0;
    propertiesBuffer = 0;
    selectorCache = 0;
    nextPropertyIndexes = 0;

    classSelector.clear();
    idSelector.clear();
    tagSelector.clear();
}

void CSSStyleSelector::setupDefaultRootStyle(DOM::DocumentImpl *d)
{
    assert(m_fontSizes.size());

    // We only care about setting up a default font
    // that the media queries module can use early for
    // computing its font-relative units (e.g.em/ex)
    if (d) {
        // setup some variables needed by applyRule
        logicalDpiY = d->logicalDpiY();
        if (d->view()) {
            view = d->view();
        }
        if (view) {
            part = view->part();
        }
        if (part) {
            settings = part->settings();
        }
    }
    parentNode = 0;
    delete m_rootDefaultStyle;
    m_rootDefaultStyle = style = new RenderStyle();
    CSSInitialValueImpl i(true);
    applyRule(CSS_PROP_FONT_SIZE, &i);
    style->htmlFont().update(logicalDpiY);
    fontDirty = false;
}

void CSSStyleSelector::buildLists()
{
    clearLists();
    // collect all selectors and Properties in lists. Then transfer them to the array for faster lookup.

    QList<CSSSelector *> selectorList;
    CSSOrderedPropertyList propertyList;
    WTF::HashMap<CSSSelector *, int> selectorsCache;

    if (defaultPrintStyle && m_medium->mediaTypeMatchSpecific("print"))
        defaultPrintStyle->collect(&selectorsCache, &selectorList, &propertyList, Default,
                                   Default);
    else if (defaultStyle) defaultStyle->collect(&selectorsCache, &selectorList, &propertyList,
                Default, Default);

    if (!strictParsing && defaultQuirksStyle) {
        defaultQuirksStyle->collect(&selectorsCache, &selectorList, &propertyList, Default, Default);
    }

    if (userStyle) {
        userStyle->collect(&selectorsCache, &selectorList, &propertyList, User, UserImportant);
    }

    if (defaultNonCSSHintsStyle) {
        defaultNonCSSHintsStyle->collect(&selectorsCache, &selectorList, &propertyList, NonCSSHint, NonCSSHint);
    }

    // Implicit styles are gathered from hidden, dynamically generated, implicit stylesheets.
    // They have the same priority as presentational attributes.
    if (implicitStyle) {
        implicitStyle->collect(&selectorsCache, &selectorList, &propertyList, NonCSSHint, NonCSSHint);
    }

    if (authorStyle) {
        authorStyle->collect(&selectorsCache, &selectorList, &propertyList, Author, AuthorImportant);
    }

    selectors_size = selectorList.count();
    selectors = new CSSSelector *[selectors_size];
    CSSSelector **sel = selectors;
    for (QListIterator<CSSSelector *> sit(selectorList); sit.hasNext(); ++sel) {
        *sel = sit.next();
    }

    selectorCache = new SelectorCache[selectors_size];
    for (unsigned int i = 0; i < selectors_size; i++) {
        selectorCache[i].state = Unknown;
        selectorCache[i].firstPropertyIndex = propertyList.size();
    }

    // do some pre-compution to make styleForElement faster:
    // 1. class selectors: put in hash by selector value
    // 2. the same goes for id selectors
    // 3. put tag selectors in hash by id
    // 4. other selectors (shouldn't be much) goes to plain list
    nextSimilarSelector = new unsigned[selectors_size];
    otherSelector = selectors_size;
    for (unsigned int i = 0; i < selectors_size; ++i) {
        nextSimilarSelector[i] = selectors_size;
    }
    for (int i = selectors_size - 1; i >= 0; --i) {
        if (selectors[i]->match == CSSSelector::Class) {
            pair<WTF::HashMap<quintptr, int>::iterator, bool> it = classSelector.add((quintptr)selectors[i]->value.impl(), i);
            if (!it.second) {
                nextSimilarSelector[i] = it.first->second;
                it.first->second = i;
            }
        } else if (selectors[i]->match == CSSSelector::Id) {
            pair<WTF::HashMap<quintptr, int>::iterator, bool> it = idSelector.add((quintptr)selectors[i]->value.impl(), i);
            if (!it.second) {
                nextSimilarSelector[i] = it.first->second;
                it.first->second = i;
            }
        } else if (selectors[i]->tagLocalName.id() && selectors[i]->tagLocalName.id() != anyLocalName) {
            pair<WTF::HashMap<unsigned, int>::iterator, bool> it = tagSelector.add(selectors[i]->tagLocalName.id(), i);
            if (!it.second) {
                nextSimilarSelector[i] = it.first->second;
                it.first->second = i;
            }
        } else {
            nextSimilarSelector[i] = otherSelector;
            otherSelector = i;
        }
    }

    // presort properties. Should make the sort() calls in styleForElement faster.
    qSort(propertyList.begin(), propertyList.end());
    properties_size = propertyList.count();
    propertiesBuffer = new CSSOrderedProperty[properties_size];
    for (int i = 0; i < propertyList.size(); ++i) {
        propertiesBuffer[i] = propertyList[i];
    }

    // properties for one selector are not necessarily adjacent at this point
    // prepare sublists with same selector
    // create for every property next property index with same selector
    nextPropertyIndexes = new unsigned[properties_size];
    for (int i = properties_size - 1; i >= 0; --i) {
        unsigned selector = propertiesBuffer[i].selector;
        nextPropertyIndexes[i] = selectorCache[selector].firstPropertyIndex;
        selectorCache[selector].firstPropertyIndex = i;
    }
}

// ----------------------------------------------------------------------

CSSOrderedRule::CSSOrderedRule(DOM::CSSStyleRuleImpl *r, DOM::CSSSelector *s, int _index)
{
    rule = r;
    if (rule) {
        r->ref();
    }
    index = _index;
    selector = s;
}

CSSOrderedRule::~CSSOrderedRule()
{
    if (rule) {
        rule->deref();
    }
}

// -----------------------------------------------------------------

CSSStyleSelectorList::CSSStyleSelectorList()
    : QList<CSSOrderedRule *>()
{
}
CSSStyleSelectorList::~CSSStyleSelectorList()
{
    qDeleteAll(*this);
    clear();
}

void CSSStyleSelectorList::append(CSSStyleSheetImpl *sheet,
                                  MediaQueryEvaluator *medium, CSSStyleSelector *styleSelector)
{
    if (!sheet || !sheet->isCSSStyleSheet()) {
        return;
    }

    // No media implies "all", but if a medialist exists it must
    // contain our current medium
    if (sheet->media() && !medium->eval(sheet->media(), styleSelector)) {
        return;    // style sheet not applicable for this medium
    }

    int len = sheet->length();
    for (int i = 0; i < len; i++) {
        StyleBaseImpl *item = sheet->item(i);
        if (item->isStyleRule()) {
            CSSStyleRuleImpl *r = static_cast<CSSStyleRuleImpl *>(item);
            QList<CSSSelector *> *s = r->selector();
            for (int j = 0; j < s->count(); j++) {
                CSSOrderedRule *rule = new CSSOrderedRule(r, s->at(j), count());
                QList<CSSOrderedRule *>::append(rule);
                //qDebug() << "appending StyleRule!";
            }
        } else if (item->isImportRule()) {
            CSSImportRuleImpl *import = static_cast<CSSImportRuleImpl *>(item);

            //qDebug() << "@import: Media: "
            //                << import->media()->mediaText().string() << endl;

            if (!import->media() || medium->eval(import->media(), styleSelector)) {
                CSSStyleSheetImpl *importedSheet = import->styleSheet();
                append(importedSheet, medium, styleSelector);
            }
        } else if (item->isMediaRule()) {
            CSSMediaRuleImpl *r = static_cast<CSSMediaRuleImpl *>(item);
            CSSRuleListImpl *rules = r->cssRules();

            //qDebug() << "@media: Media: "
            //                << r->media()->mediaText().string() << endl;

            if ((!r->media() || medium->eval(r->media(), styleSelector)) && rules) {
                // Traverse child elements of the @import rule. Since
                // many elements are not allowed as child we do not use
                // a recursive call to append() here
                for (unsigned j = 0; j < rules->length(); j++) {
                    //qDebug() << "*** Rule #" << j;

                    CSSRuleImpl *childItem = rules->item(j);
                    if (childItem->isStyleRule()) {
                        // It is a StyleRule, so append it to our list
                        CSSStyleRuleImpl *styleRule =
                            static_cast<CSSStyleRuleImpl *>(childItem);

                        QList<CSSSelector *> *s = styleRule->selector();
                        for (int j = 0; j < s->count(); j++) {
                            CSSOrderedRule *orderedRule = new CSSOrderedRule(
                                styleRule, s->at(j), count());
                            QList<CSSOrderedRule *>::append(orderedRule);
                        }
                    } else if (childItem->isFontFaceRule() && styleSelector) {
                        const CSSFontFaceRuleImpl *fontFaceRule = static_cast<CSSFontFaceRuleImpl *>(childItem);
                        styleSelector->fontSelector()->addFontFaceRule(fontFaceRule);
                    } else {
                        //qDebug() << "Ignoring child rule of "
                        //    "ImportRule: rule is not a StyleRule!" << endl;
                    }
                }   // for rules
            }   // if rules
            else {
                //qDebug() << "CSSMediaRule not rendered: "
                //                << "rule empty or wrong medium!" << endl;
            }
        } else if (item->isFontFaceRule() && styleSelector) {
            const CSSFontFaceRuleImpl *fontFaceRule = static_cast<CSSFontFaceRuleImpl *>(item);
            styleSelector->fontSelector()->addFontFaceRule(fontFaceRule);
        }
        // ### include other rules
    }
}

void CSSStyleSelectorList::collect(WTF::HashMap<CSSSelector *, int> *selectorsCache, QList<CSSSelector *> *selectorList,
                                   CSSOrderedPropertyList *propList, Source regular, Source important)
{
    CSSOrderedRule *r;
    QListIterator<CSSOrderedRule *> tIt(*this);

    propList->reserve(propList->size() + selectorList->size());
    while (tIt.hasNext()) {
        r = tIt.next();
        int selectorNum = selectorsCache->size();
        pair<WTF::HashMap<CSSSelector *, int>::iterator, bool> cacheIterator = selectorsCache->add(r->selector, selectorNum);
        if (cacheIterator.second) {
            selectorList->append(r->selector);
        }
        selectorNum = cacheIterator.first->second;
        propList->append(r->rule->declaration(), selectorNum, r->selector->specificity(), regular, important);
    }
}

// -------------------------------------------------------------------------

void CSSOrderedPropertyList::append(DOM::CSSStyleDeclarationImpl *decl, uint selector, uint specificity,
                                    Source regular, Source important)
{
    QList<CSSProperty *> *values = decl->values();
    if (!values) {
        return;
    }
    int len = values->count();
    for (int i = 0; i < len; i++) {
        CSSProperty *prop = values->at(i);
        Source source = regular;

        if (prop->m_important) {
            source = important;
        }

        bool first = false;
        // give special priority to font-xxx, color properties
        switch (prop->m_id) {
        case CSS_PROP_FONT_STYLE:
        case CSS_PROP_FONT_SIZE:
        case CSS_PROP_FONT_WEIGHT:
        case CSS_PROP_FONT_FAMILY:
        case CSS_PROP_FONT_VARIANT:
        case CSS_PROP_FONT:
        case CSS_PROP_COLOR:
        case CSS_PROP_DIRECTION:
        case CSS_PROP_DISPLAY:
            // these have to be applied first, because other properties use the computed
            // values of these porperties.
            first = true;
            break;
        default:
            break;
        }

        QVector<CSSOrderedProperty>::append(CSSOrderedProperty(prop, selector, first, source, specificity, count()));
    }
}

// -------------------------------------------------------------------------------------
// this is mostly boring stuff on how to apply a certain rule to the renderstyle...

static Length convertToLength(CSSPrimitiveValueImpl *primitiveValue, RenderStyle *style, RenderStyle *rootStyle, int logicalDpiY, bool *ok = 0)
{
    Length l;
    if (!primitiveValue) {
        if (ok) {
            *ok = false;
        }
    } else {
        int type = primitiveValue->primitiveType();
        if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
            l = Length(primitiveValue->computeLength(style, rootStyle, logicalDpiY), Fixed);
        } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
            l = Length(primitiveValue->floatValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
        } else if (type == CSSPrimitiveValue::CSS_NUMBER) {
            l = Length(primitiveValue->floatValue(CSSPrimitiveValue::CSS_NUMBER) * 100.0, Percent);
        } else if (type == CSSPrimitiveValue::CSS_HTML_RELATIVE) {
            l = Length(int(primitiveValue->floatValue(CSSPrimitiveValue::CSS_HTML_RELATIVE)), Relative);
        } else if (ok) {
            *ok = false;
        }
    }
    return l;
}

// Extracts out border radii lengths from a pair
static BorderRadii convertToBorderRadii(CSSPrimitiveValueImpl *value, RenderStyle *style, RenderStyle *rootStyle, int logicalDpiY)
{
    BorderRadii ret;
    if (!value) {
        return ret;
    }

    PairImpl *p = value->getPairValue();
    if (!p) {
        return ret;
    }

    assert(p->first()->isPrimitiveValue() && p->second()->isPrimitiveValue());
    ret.horizontal = static_cast<CSSPrimitiveValueImpl *>(p->first())->computeLength(style, rootStyle, logicalDpiY);
    ret.vertical   = static_cast<CSSPrimitiveValueImpl *>(p->second())->computeLength(style, rootStyle, logicalDpiY);
    return ret;
}

static inline int nextFontSize(const QVector<int> &a, int v, bool smaller)
{
    // return the nearest bigger/smaller value in scale a, when v is in range.
    // otherwise increase/decrease value using a 1.2 fixed ratio
    int m, l = 0, r = a.count() - 1;
    while (l <= r) {
        m = (l + r) / 2;
        if (a[m] == v)
            return smaller ? (m ? a[m - 1] : (v * 5) / 6) :
                   (m + 1 < int(a.count()) ? a[m + 1] : (v * 6) / 5);
        else if (v < a[m]) {
            r = m - 1;
        } else {
            l = m + 1;
        }
    }
    if (!l) {
        return smaller ? (v * 5) / 6 : qMin((v * 6) / 5, a[0]);
    }
    if (l == int(a.count())) {
        return smaller ? qMax((v * 5) / 6, a[r]) : (v * 6) / 5;
    }

    return smaller ? a[r] : a[l];
}

// If we're explicitly inheriting an initial border-color, its computed value is based
// on the parents' computed value of color, not ours.
static QColor inheritedBorderColor(RenderStyle *parentStyle, const QColor &value)
{
    if (value.isValid()) {
        return value;
    } else {
        return parentStyle->color();
    }
}

void CSSStyleSelector::applyRule(int id, DOM::CSSValueImpl *value)
{
//     qDebug() << "applying property " << getPropertyName(id);

    CSSPrimitiveValueImpl *primitiveValue = 0;
    if (value->isPrimitiveValue()) {
        primitiveValue = static_cast<CSSPrimitiveValueImpl *>(value);
    }

    Length l;
    bool apply = false;

    bool isInherit = (parentNode && value->cssValueType() == CSSValue::CSS_INHERIT);
    bool isInitial = (value->cssValueType() == CSSValue::CSS_INITIAL) ||
                     (!parentNode && value->cssValueType() == CSSValue::CSS_INHERIT);

    // These properties are used to set the correct margins/padding on RTL lists.
    if (id == CSS_PROP__KHTML_MARGIN_START) {
        id = style->direction() == LTR ? CSS_PROP_MARGIN_LEFT : CSS_PROP_MARGIN_RIGHT;
    } else if (id == CSS_PROP__KHTML_PADDING_START) {
        id = style->direction() == LTR ? CSS_PROP_PADDING_LEFT : CSS_PROP_PADDING_RIGHT;
    }

    // What follows is a list that maps the CSS properties into their corresponding front-end
    // RenderStyle values.  Shorthands (e.g. border, background) occur in this list as well and
    // are only hit when mapping "inherit" or "initial" into front-end values.
    switch (id) {
// ident only properties
    case CSS_PROP_BACKGROUND_ATTACHMENT:
        HANDLE_BACKGROUND_VALUE(backgroundAttachment, BackgroundAttachment, value)
        break;
    case CSS_PROP__KHTML_BACKGROUND_CLIP:
    case CSS_PROP_BACKGROUND_CLIP:
        HANDLE_BACKGROUND_VALUE(backgroundClip, BackgroundClip, value)
        break;
    case CSS_PROP__KHTML_BACKGROUND_ORIGIN:
    case CSS_PROP_BACKGROUND_ORIGIN:
        HANDLE_BACKGROUND_VALUE(backgroundOrigin, BackgroundOrigin, value)
        break;
    case CSS_PROP_BACKGROUND_REPEAT:
        HANDLE_BACKGROUND_VALUE(backgroundRepeat, BackgroundRepeat, value)
        break;
    case CSS_PROP__KHTML_BACKGROUND_SIZE:
    case CSS_PROP_BACKGROUND_SIZE:
        HANDLE_BACKGROUND_VALUE(backgroundSize, BackgroundSize, value)
        break;
    case CSS_PROP_BORDER_COLLAPSE:
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(borderCollapse, BorderCollapse)
        if (!primitiveValue) {
            break;
        }
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_COLLAPSE:
            style->setBorderCollapse(true);
            break;
        case CSS_VAL_SEPARATE:
            style->setBorderCollapse(false);
            break;
        default:
            return;
        }
        break;

    case CSS_PROP_BORDER_TOP_STYLE:
        HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderTopStyle, BorderTopStyle, BorderStyle)
        if (!primitiveValue) {
            return;
        }
        style->setBorderTopStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL__KHTML_NATIVE));
        break;
    case CSS_PROP_BORDER_RIGHT_STYLE:
        HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderRightStyle, BorderRightStyle, BorderStyle)
        if (!primitiveValue) {
            return;
        }
        style->setBorderRightStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL__KHTML_NATIVE));
        break;
    case CSS_PROP_BORDER_BOTTOM_STYLE:
        HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderBottomStyle, BorderBottomStyle, BorderStyle)
        if (!primitiveValue) {
            return;
        }
        style->setBorderBottomStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL__KHTML_NATIVE));
        break;
    case CSS_PROP_BORDER_LEFT_STYLE:
        HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderLeftStyle, BorderLeftStyle, BorderStyle)
        if (!primitiveValue) {
            return;
        }
        style->setBorderLeftStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL__KHTML_NATIVE));
        break;
    case CSS_PROP_OUTLINE_STYLE:
        HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(outlineStyle, OutlineStyle, BorderStyle)
        if (!primitiveValue) {
            return;
        }
        style->setOutlineStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL__KHTML_NATIVE));
        break;
    case CSS_PROP_CAPTION_SIDE: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(captionSide, CaptionSide)

        if (!primitiveValue) {
            break;
        }
        ECaptionSide c = RenderStyle::initialCaptionSide();
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_LEFT:
            c = CAPLEFT; break;
        case CSS_VAL_RIGHT:
            c = CAPRIGHT; break;
        case CSS_VAL_TOP:
            c = CAPTOP; break;
        case CSS_VAL_BOTTOM:
            c = CAPBOTTOM; break;
        default:
            return;
        }
        style->setCaptionSide(c);
        return;
    }
    case CSS_PROP_CLEAR: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(clear, Clear)
        if (!primitiveValue) {
            break;
        }
        EClear c = CNONE;
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_LEFT:
            c = CLEFT; break;
        case CSS_VAL_RIGHT:
            c = CRIGHT; break;
        case CSS_VAL_BOTH:
            c = CBOTH; break;
        case CSS_VAL_NONE:
            c = CNONE; break;
        default:
            return;
        }
        style->setClear(c);
        return;
    }
    case CSS_PROP_DIRECTION: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(direction, Direction)
        if (!primitiveValue) {
            break;
        }
        style->setDirection((EDirection)(primitiveValue->getIdent() - CSS_VAL_LTR));
        return;
    }
    case CSS_PROP_DISPLAY: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(display, Display)
        if (!primitiveValue) {
            break;
        }
        int id = primitiveValue->getIdent();
        style->setDisplay(id == CSS_VAL_NONE ? NONE : EDisplay(id - CSS_VAL_INLINE));
        break;
    }

    case CSS_PROP_EMPTY_CELLS: {
        HANDLE_INHERIT_ON_INHERITED_PROPERTY(emptyCells, EmptyCells);
        if (!primitiveValue) {
            break;
        }
        int id = primitiveValue->getIdent();
        if (id == CSS_VAL_SHOW) {
            style->setEmptyCells(SHOW);
        } else if (id == CSS_VAL_HIDE) {
            style->setEmptyCells(HIDE);
        }
        break;
    }
    case CSS_PROP_FLOAT: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(floating, Floating)
        if (!primitiveValue) {
            return;
        }
        EFloat f;
        switch (primitiveValue->getIdent()) {
        case CSS_VAL__KHTML_LEFT:
            f = FLEFT_ALIGN; break;
        case CSS_VAL_LEFT:
            f = FLEFT; break;
        case CSS_VAL__KHTML_RIGHT:
            f = FRIGHT_ALIGN; break;
        case CSS_VAL_RIGHT:
            f = FRIGHT; break;
        case CSS_VAL_NONE:
        case CSS_VAL_CENTER:  //Non standart CSS-Value
            f = FNONE; break;
        default:
            return;
        }
        if (f != FNONE && style->display() == LIST_ITEM) {
            style->setDisplay(BLOCK);
        }

        style->setFloating(f);
        break;
    }

    case CSS_PROP_FONT_STYLE: {
        FontDef fontDef = style->htmlFont().fontDef;
        if (isInherit) {
            fontDef.italic = parentStyle->htmlFont().fontDef.italic;
        } else if (isInitial) {
            fontDef.italic = false;
        } else {
            if (!primitiveValue) {
                return;
            }
            switch (primitiveValue->getIdent()) {
            case CSS_VAL_OBLIQUE:
            // ### oblique is the same as italic for the moment...
            case CSS_VAL_ITALIC:
                fontDef.italic = true;
                break;
            case CSS_VAL_NORMAL:
                fontDef.italic = false;
                break;
            default:
                return;
            }
        }
        fontDirty |= style->setFontDef(fontDef);
        break;
    }

    case CSS_PROP_FONT_VARIANT: {
        FontDef fontDef = style->htmlFont().fontDef;
        if (isInherit) {
            fontDef.smallCaps = parentStyle->htmlFont().fontDef.smallCaps;
        } else if (isInitial) {
            fontDef.smallCaps = false;
        } else {
            if (!primitiveValue) {
                return;
            }
            int id = primitiveValue->getIdent();
            if (id == CSS_VAL_NORMAL) {
                fontDef.smallCaps = false;
            } else if (id == CSS_VAL_SMALL_CAPS) {
                fontDef.smallCaps = true;
            } else {
                return;
            }
        }
        fontDirty |= style->setFontDef(fontDef);
        break;
    }

    case CSS_PROP_FONT_WEIGHT: {
        FontDef fontDef = style->htmlFont().fontDef;
        if (isInherit) {
            fontDef.weight = parentStyle->htmlFont().fontDef.weight;
        } else if (isInitial) {
            fontDef.weight = QFont::Normal;
        } else if (primitiveValue) {
            // Map CSS weights into available QFont::Weight
            switch (primitiveValue->getIdent()) {
            case CSS_VAL_100:
            case CSS_VAL_200:
            case CSS_VAL_300:
                fontDef.weight = QFont::Light; // 25
                break;
            case CSS_VAL_NORMAL:
            case CSS_VAL_400:
            case CSS_VAL_500:
                fontDef.weight = QFont::Normal; // 50
                break;
            case CSS_VAL_600:
                fontDef.weight = QFont::DemiBold; // 63
                break;
            case CSS_VAL_BOLD:
            case CSS_VAL_700:
                fontDef.weight = QFont::Bold; // 75
                break;
            case CSS_VAL_800:
            case CSS_VAL_900:
                fontDef.weight = QFont::Black; // 87
                break;
            case CSS_VAL_BOLDER: {
                // FIXME: Should return the next heaviest weight available for current family
                const unsigned int inheritedWeight = parentStyle->htmlFont().fontDef.weight;
                if (inheritedWeight < QFont::Normal) {
                    fontDef.weight = QFont::Normal;
                } else if (inheritedWeight < QFont::DemiBold) {
                    fontDef.weight = QFont::DemiBold;
                } else if (inheritedWeight < QFont::Bold) {
                    fontDef.weight = QFont::Bold;
                } else {
                    fontDef.weight = QFont::Black;
                }
            }
                break;
            case CSS_VAL_LIGHTER: {
                // FIXME: Should return the next lightest weight available for current family
                const unsigned int inheritedWeight = parentStyle->htmlFont().fontDef.weight;
                if (inheritedWeight > QFont::Bold) {
                    fontDef.weight = QFont::Bold;
                } else if (inheritedWeight > QFont::DemiBold) {
                    fontDef.weight = QFont::DemiBold;
                } else if (inheritedWeight > QFont::Normal) {
                    fontDef.weight = QFont::Normal;
                } else {
                    fontDef.weight = QFont::Light;
                }
            }
                break;
            default:
                return;
            }
        } else {
            return;
        }
        fontDirty |= style->setFontDef( fontDef );
        break;
    }

    case CSS_PROP_LIST_STYLE_POSITION: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(listStylePosition, ListStylePosition)
        if (!primitiveValue) {
            return;
        }
        if (primitiveValue->getIdent()) {
            style->setListStylePosition((EListStylePosition)(primitiveValue->getIdent() - CSS_VAL_OUTSIDE));
        }
        return;
    }

    case CSS_PROP_LIST_STYLE_TYPE: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(listStyleType, ListStyleType)
        if (!primitiveValue) {
            return;
        }
        if (primitiveValue->getIdent()) {
            EListStyleType t;
            int id = primitiveValue->getIdent();
            if (id == CSS_VAL_NONE) {  // important!!
                t = LNONE;
            } else {
                t = EListStyleType(id - CSS_VAL_DISC);
            }
            style->setListStyleType(t);
        }
        return;
    }

    case CSS_PROP_OVERFLOW: {
        if (isInherit) {
            style->setOverflowX(parentStyle->overflowX());
            style->setOverflowY(parentStyle->overflowY());
            style->setInheritedNoninherited(true);
            return;
        }

        if (isInitial) {
            style->setOverflowX(RenderStyle::initialOverflowX());
            style->setOverflowY(RenderStyle::initialOverflowY());
            return;
        }

        if (!primitiveValue) {
            return;
        }
        EOverflow o;
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_VISIBLE:
            o = OVISIBLE; break;
        case CSS_VAL_HIDDEN:
            o = OHIDDEN; break;
        case CSS_VAL_SCROLL:
            o = OSCROLL; break;
        case CSS_VAL_AUTO:
            o = OAUTO; break;
        case CSS_VAL_MARQUEE:
            o = OMARQUEE; break;
        default:
            return;
        }
        style->setOverflowX(o);
        style->setOverflowY(o);
        return;
    }
    case CSS_PROP_OVERFLOW_X: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(overflowX, OverflowX)
        if (!primitiveValue) {
            return;
        }
        EOverflow o;
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_VISIBLE:
            o = OVISIBLE; break;
        case CSS_VAL_HIDDEN:
            o = OHIDDEN; break;
        case CSS_VAL_SCROLL:
            o = OSCROLL; break;
        case CSS_VAL_AUTO:
            o = OAUTO; break;
        default:
            return;
        }
        style->setOverflowX(o);
        return;
    }
    case CSS_PROP_OVERFLOW_Y: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(overflowY, OverflowY)
        if (!primitiveValue) {
            return;
        }
        EOverflow o;
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_VISIBLE:
            o = OVISIBLE; break;
        case CSS_VAL_HIDDEN:
            o = OHIDDEN; break;
        case CSS_VAL_SCROLL:
            o = OSCROLL; break;
        case CSS_VAL_AUTO:
            o = OAUTO; break;
        default:
            return;
        }
        style->setOverflowY(o);
        return;
    }
    case CSS_PROP_PAGE_BREAK_BEFORE: {
        HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(pageBreakBefore, PageBreakBefore, PageBreak)
        if (!primitiveValue) {
            return;
        }
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_AUTO:
            style->setPageBreakBefore(PBAUTO);
            break;
        case CSS_VAL_LEFT:
        case CSS_VAL_RIGHT:
        // CSS2.1: "Conforming user agents may map left/right to always."
        case CSS_VAL_ALWAYS:
            style->setPageBreakBefore(PBALWAYS);
            break;
        case CSS_VAL_AVOID:
            style->setPageBreakBefore(PBAVOID);
            break;
        }
        break;
    }

    case CSS_PROP_PAGE_BREAK_AFTER: {
        HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(pageBreakAfter, PageBreakAfter, PageBreak)
        if (!primitiveValue) {
            return;
        }
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_AUTO:
            style->setPageBreakAfter(PBAUTO);
            break;
        case CSS_VAL_LEFT:
        case CSS_VAL_RIGHT:
        // CSS2.1: "Conforming user agents may map left/right to always."
        case CSS_VAL_ALWAYS:
            style->setPageBreakAfter(PBALWAYS);
            break;
        case CSS_VAL_AVOID:
            style->setPageBreakAfter(PBAVOID);
            break;
        }
        break;
    }

    case CSS_PROP_PAGE_BREAK_INSIDE: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(pageBreakInside, PageBreakInside)
        if (!primitiveValue) {
            return;
        }
        if (primitiveValue->getIdent() == CSS_VAL_AUTO) {
            style->setPageBreakInside(true);
        } else if (primitiveValue->getIdent() == CSS_VAL_AVOID) {
            style->setPageBreakInside(false);
        }
        return;
    }
//    case CSS_PROP_PAUSE_AFTER:
//    case CSS_PROP_PAUSE_BEFORE:
    break;

    case CSS_PROP_POSITION: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(position, Position)
        if (!primitiveValue) {
            return;
        }
        EPosition p;
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_STATIC:
            p = PSTATIC; break;
        case CSS_VAL_RELATIVE:
            p = PRELATIVE; break;
        case CSS_VAL_ABSOLUTE:
            p = PABSOLUTE; break;
        case CSS_VAL_FIXED:
            p = PFIXED; break;
        default:
            return;
        }
        style->setPosition(p);
        return;
    }

    case CSS_PROP_TABLE_LAYOUT: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(tableLayout, TableLayout)

        if (!primitiveValue) {
            return;
        }

        ETableLayout l = RenderStyle::initialTableLayout();
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_FIXED:
            l = TFIXED;
        // fall through
        case CSS_VAL_AUTO:
            style->setTableLayout(l);
        default:
            break;
        }
        break;
    }

    case CSS_PROP_UNICODE_BIDI: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(unicodeBidi, UnicodeBidi)
        if (!primitiveValue) {
            break;
        }
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_NORMAL:
            style->setUnicodeBidi(UBNormal);
            break;
        case CSS_VAL_EMBED:
            style->setUnicodeBidi(Embed);
            break;
        case CSS_VAL_BIDI_OVERRIDE:
            style->setUnicodeBidi(Override);
            break;
        default:
            return;
        }
        break;
    }
    case CSS_PROP_TEXT_TRANSFORM: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(textTransform, TextTransform)

        if (!primitiveValue) {
            break;
        }
        if (!primitiveValue->getIdent()) {
            return;
        }

        ETextTransform tt;
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_CAPITALIZE:  tt = CAPITALIZE;  break;
        case CSS_VAL_UPPERCASE:   tt = UPPERCASE;   break;
        case CSS_VAL_LOWERCASE:   tt = LOWERCASE;   break;
        case CSS_VAL_NONE:
        default:                  tt = TTNONE;      break;
        }
        style->setTextTransform(tt);
        break;
    }

    case CSS_PROP_VISIBILITY: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(visibility, Visibility)

        if (!primitiveValue) {
            break;
        }
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_HIDDEN:
            style->setVisibility(HIDDEN);
            break;
        case CSS_VAL_VISIBLE:
            style->setVisibility(VISIBLE);
            break;
        case CSS_VAL_COLLAPSE:
            style->setVisibility(COLLAPSE);
        default:
            break;
        }
        break;
    }
    case CSS_PROP_WHITE_SPACE:
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(whiteSpace, WhiteSpace)

        if (!primitiveValue) {
            break;
        }
        if (!primitiveValue->getIdent()) {
            return;
        }

        EWhiteSpace s;
        switch (primitiveValue->getIdent()) {
        case CSS_VAL__KHTML_NOWRAP:
            s = KHTML_NOWRAP;
            break;
        case CSS_VAL_NOWRAP:
            s = NOWRAP;
            break;
        case CSS_VAL_PRE:
            s = PRE;
            break;
        case CSS_VAL_PRE_WRAP:
            s = PRE_WRAP;
            break;
        case CSS_VAL_PRE_LINE:
            s = PRE_LINE;
            break;
        case CSS_VAL_NORMAL:
        default:
            s = NORMAL;
            break;
        }
        style->setWhiteSpace(s);
        break;

    case CSS_PROP_BACKGROUND_POSITION:
        HANDLE_BACKGROUND_INHERIT_AND_INITIAL(backgroundXPosition, BackgroundXPosition);
        HANDLE_BACKGROUND_INHERIT_AND_INITIAL(backgroundYPosition, BackgroundYPosition);
        break;
    case CSS_PROP_BACKGROUND_POSITION_X: {
        HANDLE_BACKGROUND_VALUE(backgroundXPosition, BackgroundXPosition, value)
        break;
    }
    case CSS_PROP_BACKGROUND_POSITION_Y: {
        HANDLE_BACKGROUND_VALUE(backgroundYPosition, BackgroundYPosition, value)
        break;
    }
    case CSS_PROP_BORDER_SPACING: {
        if (value->cssValueType() != CSSValue::CSS_INHERIT || !parentNode) {
            return;
        }
        style->setBorderHorizontalSpacing(parentStyle->borderHorizontalSpacing());
        style->setBorderVerticalSpacing(parentStyle->borderVerticalSpacing());
        break;
    }
    case CSS_PROP__KHTML_BORDER_HORIZONTAL_SPACING: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(borderHorizontalSpacing, BorderHorizontalSpacing)
        if (!primitiveValue) {
            break;
        }
        short spacing =  primitiveValue->computeLength(style, m_rootStyle, logicalDpiY);
        style->setBorderHorizontalSpacing(spacing);
        break;
    }
    case CSS_PROP__KHTML_BORDER_VERTICAL_SPACING: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(borderVerticalSpacing, BorderVerticalSpacing)
        if (!primitiveValue) {
            break;
        }
        short spacing =  primitiveValue->computeLength(style, m_rootStyle, logicalDpiY);
        style->setBorderVerticalSpacing(spacing);
        break;
    }

    // ### should these handle initial & inherit?
    case CSS_PROP__KHTML_BORDER_TOP_RIGHT_RADIUS:
    case CSS_PROP_BORDER_TOP_RIGHT_RADIUS:
        style->setBorderTopRightRadius(convertToBorderRadii(primitiveValue, style, m_rootStyle, logicalDpiY));
        break;
    case CSS_PROP__KHTML_BORDER_TOP_LEFT_RADIUS:
    case CSS_PROP_BORDER_TOP_LEFT_RADIUS:
        style->setBorderTopLeftRadius(convertToBorderRadii(primitiveValue, style, m_rootStyle, logicalDpiY));
        break;
    case CSS_PROP__KHTML_BORDER_BOTTOM_RIGHT_RADIUS:
    case CSS_PROP_BORDER_BOTTOM_RIGHT_RADIUS:
        style->setBorderBottomRightRadius(convertToBorderRadii(primitiveValue, style, m_rootStyle, logicalDpiY));
        break;
    case CSS_PROP__KHTML_BORDER_BOTTOM_LEFT_RADIUS:
    case CSS_PROP_BORDER_BOTTOM_LEFT_RADIUS:
        style->setBorderBottomLeftRadius(convertToBorderRadii(primitiveValue, style, m_rootStyle, logicalDpiY));
        break;

    case CSS_PROP_CURSOR:
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(cursor, Cursor)
        if (!primitiveValue) {
            break;
        }
        ECursor cursor;
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_NONE:
            cursor = CURSOR_NONE;
            break;
        default:
            cursor = (ECursor)(primitiveValue->getIdent() - CSS_VAL_AUTO);
        }
        style->setCursor(cursor);
        break;
// colors || inherit
    case CSS_PROP_COLOR:
        // If the 'currentColor' keyword is set on the 'color' property itself,
        // it is treated as 'color:inherit' at parse time
        if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_CURRENTCOLOR) {
            isInherit = true;
        }
    case CSS_PROP_BACKGROUND_COLOR:
    case CSS_PROP_BORDER_TOP_COLOR:
    case CSS_PROP_BORDER_RIGHT_COLOR:
    case CSS_PROP_BORDER_BOTTOM_COLOR:
    case CSS_PROP_BORDER_LEFT_COLOR:
    case CSS_PROP_OUTLINE_COLOR:
    // this property is an extension used to get HTML4 <font> right.
    case CSS_PROP_SCROLLBAR_BASE_COLOR:
    case CSS_PROP_SCROLLBAR_FACE_COLOR:
    case CSS_PROP_SCROLLBAR_SHADOW_COLOR:
    case CSS_PROP_SCROLLBAR_HIGHLIGHT_COLOR:
    case CSS_PROP_SCROLLBAR_3DLIGHT_COLOR:
    case CSS_PROP_SCROLLBAR_DARKSHADOW_COLOR:
    case CSS_PROP_SCROLLBAR_TRACK_COLOR:
    case CSS_PROP_SCROLLBAR_ARROW_COLOR: {
        QColor col;
        if (isInherit) {
            if (id != CSS_PROP_COLOR) {
                style->setInheritedNoninherited(true);
            }
            HANDLE_INHERIT_COND(CSS_PROP_BACKGROUND_COLOR, backgroundColor, BackgroundColor)
            HANDLE_INHERIT_COND_WITH_BACKUP(CSS_PROP_BORDER_TOP_COLOR, borderTopColor, color, BorderTopColor)
            HANDLE_INHERIT_COND_WITH_BACKUP(CSS_PROP_BORDER_BOTTOM_COLOR, borderBottomColor, color, BorderBottomColor)
            HANDLE_INHERIT_COND_WITH_BACKUP(CSS_PROP_BORDER_RIGHT_COLOR, borderRightColor, color, BorderRightColor)
            HANDLE_INHERIT_COND_WITH_BACKUP(CSS_PROP_BORDER_LEFT_COLOR, borderLeftColor, color, BorderLeftColor)
            HANDLE_INHERIT_COND(CSS_PROP_COLOR, color, Color)
            HANDLE_INHERIT_COND_WITH_BACKUP(CSS_PROP_OUTLINE_COLOR, outlineColor, color, OutlineColor)
            return;
        } else if (isInitial) {
            // The border/outline colors will just map to the invalid color |col| above.  This will have the
            // effect of forcing the use of the currentColor when it comes time to draw the borders (and of
            // not painting the background since the color won't be valid).
            if (id == CSS_PROP_COLOR) {
                col = RenderStyle::initialColor();
            }
        } else {
            if (!primitiveValue) {
                return;
            }
            int ident = primitiveValue->getIdent();
            if (ident) {
                if (ident == CSS_VAL__KHTML_TEXT) {
                    col = element->document()->textColor();
                } else if (ident == CSS_VAL_CURRENTCOLOR) {
                    col = style->color();
                } else {
                    col = colorForCSSValue(ident);
                }
            } else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_RGBCOLOR) {
                col.setRgba(primitiveValue->getRGBColorValue());
            } else {
                return;
            }
        }
        //qDebug() << "applying color " << col.isValid();
        switch (id) {
        case CSS_PROP_BACKGROUND_COLOR:
            style->setBackgroundColor(col); break;
        case CSS_PROP_BORDER_TOP_COLOR:
            style->setBorderTopColor(col); break;
        case CSS_PROP_BORDER_RIGHT_COLOR:
            style->setBorderRightColor(col); break;
        case CSS_PROP_BORDER_BOTTOM_COLOR:
            style->setBorderBottomColor(col); break;
        case CSS_PROP_BORDER_LEFT_COLOR:
            style->setBorderLeftColor(col); break;
        case CSS_PROP_COLOR:
            style->setColor(col); break;
        case CSS_PROP_OUTLINE_COLOR:
            style->setOutlineColor(col); break;
#ifndef APPLE_CHANGES
        case CSS_PROP_SCROLLBAR_FACE_COLOR:
            style->setPaletteColor(QPalette::Active, QPalette::Button, col);
            style->setPaletteColor(QPalette::Inactive, QPalette::Button, col);
            break;
        case CSS_PROP_SCROLLBAR_SHADOW_COLOR:
            style->setPaletteColor(QPalette::Active, QPalette::Shadow, col);
            style->setPaletteColor(QPalette::Inactive, QPalette::Shadow, col);
            break;
        case CSS_PROP_SCROLLBAR_HIGHLIGHT_COLOR:
            style->setPaletteColor(QPalette::Active, QPalette::Light, col);
            style->setPaletteColor(QPalette::Inactive, QPalette::Light, col);
            break;
        case CSS_PROP_SCROLLBAR_3DLIGHT_COLOR:
            break;
        case CSS_PROP_SCROLLBAR_DARKSHADOW_COLOR:
            style->setPaletteColor(QPalette::Active, QPalette::Dark, col);
            style->setPaletteColor(QPalette::Inactive, QPalette::Dark, col);
            break;
        case CSS_PROP_SCROLLBAR_TRACK_COLOR:
            style->setPaletteColor(QPalette::Active, QPalette::Mid, col);
            style->setPaletteColor(QPalette::Inactive, QPalette::Mid, col);
            style->setPaletteColor(QPalette::Active, QPalette::Window, col);
            style->setPaletteColor(QPalette::Inactive, QPalette::Window, col);
        // fall through
        case CSS_PROP_SCROLLBAR_BASE_COLOR:
            style->setPaletteColor(QPalette::Active, QPalette::Base, col);
            style->setPaletteColor(QPalette::Inactive, QPalette::Base, col);
            break;
        case CSS_PROP_SCROLLBAR_ARROW_COLOR:
            style->setPaletteColor(QPalette::Active, QPalette::ButtonText, col);
            style->setPaletteColor(QPalette::Inactive, QPalette::ButtonText, col);
            break;
#endif
        default:
            return;
        }
        return;
    }
    break;
// uri || inherit
    case CSS_PROP_BACKGROUND_IMAGE:
        HANDLE_BACKGROUND_VALUE(backgroundImage, BackgroundImage, value)
        break;
    case CSS_PROP_LIST_STYLE_IMAGE: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(listStyleImage, ListStyleImage)
        if (!primitiveValue) {
            return;
        }
        style->setListStyleImage(static_cast<CSSImageValueImpl *>(primitiveValue)->requestCssImage(element->document()));
        break;
    }

// length
    case CSS_PROP_BORDER_TOP_WIDTH:
    case CSS_PROP_BORDER_RIGHT_WIDTH:
    case CSS_PROP_BORDER_BOTTOM_WIDTH:
    case CSS_PROP_BORDER_LEFT_WIDTH:
    case CSS_PROP_OUTLINE_WIDTH: {
        if (isInherit) {
            style->setInheritedNoninherited(true);
            HANDLE_INHERIT_COND(CSS_PROP_BORDER_TOP_WIDTH, borderTopWidth, BorderTopWidth)
            HANDLE_INHERIT_COND(CSS_PROP_BORDER_RIGHT_WIDTH, borderRightWidth, BorderRightWidth)
            HANDLE_INHERIT_COND(CSS_PROP_BORDER_BOTTOM_WIDTH, borderBottomWidth, BorderBottomWidth)
            HANDLE_INHERIT_COND(CSS_PROP_BORDER_LEFT_WIDTH, borderLeftWidth, BorderLeftWidth)
            HANDLE_INHERIT_COND(CSS_PROP_OUTLINE_WIDTH, outlineWidth, OutlineWidth)
            return;
        } else if (isInitial) {
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_BORDER_TOP_WIDTH, BorderTopWidth, BorderWidth)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_BORDER_RIGHT_WIDTH, BorderRightWidth, BorderWidth)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_BORDER_BOTTOM_WIDTH, BorderBottomWidth, BorderWidth)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_BORDER_LEFT_WIDTH, BorderLeftWidth, BorderWidth)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_OUTLINE_WIDTH, OutlineWidth, BorderWidth)
            return;
        }

        if (!primitiveValue) {
            break;
        }
        short width = 3;
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_THIN:
            width = 1;
            break;
        case CSS_VAL_MEDIUM:
            width = 3;
            break;
        case CSS_VAL_THICK:
            width = 5;
            break;
        case CSS_VAL_INVALID: {
            double widthd = primitiveValue->computeLengthFloat(style, m_rootStyle, logicalDpiY);
            width = CSSPrimitiveValueImpl::snapValue(widthd);
            // somewhat resemble Mozilla's granularity
            // this makes border-width: 0.5pt borders visible
            if (width == 0 && widthd >= 0.025) {
                width++;
            }
            break;
        }
        default:
            return;
        }

        if (width < 0) {
            return;
        }
        switch (id) {
        case CSS_PROP_BORDER_TOP_WIDTH:
            style->setBorderTopWidth(width);
            break;
        case CSS_PROP_BORDER_RIGHT_WIDTH:
            style->setBorderRightWidth(width);
            break;
        case CSS_PROP_BORDER_BOTTOM_WIDTH:
            style->setBorderBottomWidth(width);
            break;
        case CSS_PROP_BORDER_LEFT_WIDTH:
            style->setBorderLeftWidth(width);
            break;
        case CSS_PROP_OUTLINE_WIDTH:
            style->setOutlineWidth(width);
            break;
        default:
            return;
        }
        return;
    }

    case CSS_PROP_LETTER_SPACING:
    case CSS_PROP_WORD_SPACING: {
        if (isInherit) {
            HANDLE_INHERIT_COND(CSS_PROP_LETTER_SPACING, letterSpacing, LetterSpacing)
            HANDLE_INHERIT_COND(CSS_PROP_WORD_SPACING, wordSpacing, WordSpacing)
            return;
        } else if (isInitial) {
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_LETTER_SPACING, LetterSpacing, LetterWordSpacing)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_WORD_SPACING, WordSpacing, LetterWordSpacing)
            return;
        }
        if (!primitiveValue) {
            return;
        }

        int width = 0;
        if (primitiveValue->getIdent() != CSS_VAL_NORMAL) {
            width = primitiveValue->computeLength(style, m_rootStyle, logicalDpiY);
        }

        switch (id) {
        case CSS_PROP_LETTER_SPACING:
            style->setLetterSpacing(width);
            break;
        case CSS_PROP_WORD_SPACING:
            style->setWordSpacing(width);
            break;
        // ### needs the definitions in renderstyle
        default: break;
        }
        return;
    }

    // length, percent
    case CSS_PROP_MAX_WIDTH:
        // +none +inherit
        if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_NONE) {
            apply = true;
            l = Length(UNDEFINED, Fixed);
        }
    case CSS_PROP_TOP:
    case CSS_PROP_LEFT:
    case CSS_PROP_RIGHT:
    case CSS_PROP_BOTTOM:
    case CSS_PROP_WIDTH:
    case CSS_PROP_MIN_WIDTH:
    case CSS_PROP_MARGIN_TOP:
    case CSS_PROP_MARGIN_RIGHT:
    case CSS_PROP_MARGIN_BOTTOM:
    case CSS_PROP_MARGIN_LEFT:
        // +inherit +auto
        if (id != CSS_PROP_MAX_WIDTH && primitiveValue &&
                primitiveValue->getIdent() == CSS_VAL_AUTO) {
            //qDebug() << "found value=auto";
            apply = true;
        }
    case CSS_PROP_PADDING_TOP:
    case CSS_PROP_PADDING_RIGHT:
    case CSS_PROP_PADDING_BOTTOM:
    case CSS_PROP_PADDING_LEFT:
    case CSS_PROP_TEXT_INDENT:
        // +inherit
    {
        if (isInherit) {
            if (id != CSS_PROP_TEXT_INDENT) {
                style->setInheritedNoninherited(true);
            }
            HANDLE_INHERIT_COND(CSS_PROP_MAX_WIDTH, maxWidth, MaxWidth)
            HANDLE_INHERIT_COND(CSS_PROP_BOTTOM, bottom, Bottom)
            HANDLE_INHERIT_COND(CSS_PROP_TOP, top, Top)
            HANDLE_INHERIT_COND(CSS_PROP_LEFT, left, Left)
            HANDLE_INHERIT_COND(CSS_PROP_RIGHT, right, Right)
            HANDLE_INHERIT_COND(CSS_PROP_WIDTH, width, Width)
            HANDLE_INHERIT_COND(CSS_PROP_MIN_WIDTH, minWidth, MinWidth)
            HANDLE_INHERIT_COND(CSS_PROP_PADDING_TOP, paddingTop, PaddingTop)
            HANDLE_INHERIT_COND(CSS_PROP_PADDING_RIGHT, paddingRight, PaddingRight)
            HANDLE_INHERIT_COND(CSS_PROP_PADDING_BOTTOM, paddingBottom, PaddingBottom)
            HANDLE_INHERIT_COND(CSS_PROP_PADDING_LEFT, paddingLeft, PaddingLeft)
            HANDLE_INHERIT_COND(CSS_PROP_MARGIN_TOP, marginTop, MarginTop)
            HANDLE_INHERIT_COND(CSS_PROP_MARGIN_RIGHT, marginRight, MarginRight)
            HANDLE_INHERIT_COND(CSS_PROP_MARGIN_BOTTOM, marginBottom, MarginBottom)
            HANDLE_INHERIT_COND(CSS_PROP_MARGIN_LEFT, marginLeft, MarginLeft)
            HANDLE_INHERIT_COND(CSS_PROP_TEXT_INDENT, textIndent, TextIndent)
            return;
        } else if (isInitial) {
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MAX_WIDTH, MaxWidth, MaxSize)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_BOTTOM, Bottom, Offset)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_TOP, Top, Offset)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_LEFT, Left, Offset)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_RIGHT, Right, Offset)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_WIDTH, Width, Size)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MIN_WIDTH, MinWidth, MinSize)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_PADDING_TOP, PaddingTop, Padding)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_PADDING_RIGHT, PaddingRight, Padding)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_PADDING_BOTTOM, PaddingBottom, Padding)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_PADDING_LEFT, PaddingLeft, Padding)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MARGIN_TOP, MarginTop, Margin)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MARGIN_RIGHT, MarginRight, Margin)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MARGIN_BOTTOM, MarginBottom, Margin)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MARGIN_LEFT, MarginLeft, Margin)
            HANDLE_INITIAL_COND(CSS_PROP_TEXT_INDENT, TextIndent)
            return;
        }

        if (primitiveValue && !apply) {
            int type = primitiveValue->primitiveType();
            if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG)
                // Handle our quirky margin units if we have them.
                l = Length(primitiveValue->computeLength(style, m_rootStyle, logicalDpiY), Fixed, primitiveValue->isQuirkValue());
            else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
                l = Length(primitiveValue->floatValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
            } else if (type == CSSPrimitiveValue::CSS_HTML_RELATIVE) {
                l = Length(int(primitiveValue->floatValue(CSSPrimitiveValue::CSS_HTML_RELATIVE)), Relative);
            } else {
                return;
            }
            apply = true;
        }
        if (!apply) {
            return;
        }
        switch (id) {
        case CSS_PROP_MAX_WIDTH:
            style->setMaxWidth(l); break;
        case CSS_PROP_BOTTOM:
            style->setBottom(l); break;
        case CSS_PROP_TOP:
            style->setTop(l); break;
        case CSS_PROP_LEFT:
            style->setLeft(l); break;
        case CSS_PROP_RIGHT:
            style->setRight(l); break;
        case CSS_PROP_WIDTH:
            style->setWidth(l); break;
        case CSS_PROP_MIN_WIDTH:
            style->setMinWidth(l); break;
        case CSS_PROP_PADDING_TOP:
            style->setPaddingTop(l); break;
        case CSS_PROP_PADDING_RIGHT:
            style->setPaddingRight(l); break;
        case CSS_PROP_PADDING_BOTTOM:
            style->setPaddingBottom(l); break;
        case CSS_PROP_PADDING_LEFT:
            style->setPaddingLeft(l); break;
        case CSS_PROP_MARGIN_TOP:
            style->setMarginTop(l); break;
        case CSS_PROP_MARGIN_RIGHT:
            style->setMarginRight(l); break;
        case CSS_PROP_MARGIN_BOTTOM:
            style->setMarginBottom(l); break;
        case CSS_PROP_MARGIN_LEFT:
            style->setMarginLeft(l); break;
        case CSS_PROP_TEXT_INDENT:
            style->setTextIndent(l); break;
        default: break;
        }
        return;
    }

    case CSS_PROP_MAX_HEIGHT:
        if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_NONE) {
            apply = true;
            l = Length(UNDEFINED, Fixed);
        }
    case CSS_PROP_HEIGHT:
    case CSS_PROP_MIN_HEIGHT:
        if (id != CSS_PROP_MAX_HEIGHT && primitiveValue &&
                primitiveValue->getIdent() == CSS_VAL_AUTO) {
            apply = true;
        }
        if (isInherit) {
            style->setInheritedNoninherited(true);
            HANDLE_INHERIT_COND(CSS_PROP_MAX_HEIGHT, maxHeight, MaxHeight)
            HANDLE_INHERIT_COND(CSS_PROP_HEIGHT, height, Height)
            HANDLE_INHERIT_COND(CSS_PROP_MIN_HEIGHT, minHeight, MinHeight)
            return;
        } else if (isInitial) {
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MAX_HEIGHT, MaxHeight, MaxSize)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_HEIGHT, Height, Size)
            HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MIN_HEIGHT, MinHeight, MinSize)
            return;
        }

        if (primitiveValue && !apply) {
            int type = primitiveValue->primitiveType();
            if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
                l = Length(primitiveValue->computeLength(style, m_rootStyle, logicalDpiY), Fixed);
            } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
                l = Length(primitiveValue->floatValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
            } else {
                return;
            }
            apply = true;
        }
        if (!apply) {
            return;
        }
        switch (id) {
        case CSS_PROP_MAX_HEIGHT:
            style->setMaxHeight(l); break;
        case CSS_PROP_HEIGHT:
            style->setHeight(l); break;
        case CSS_PROP_MIN_HEIGHT:
            style->setMinHeight(l); break;
        default:
            return;
        }
        return;

        break;

    case CSS_PROP_VERTICAL_ALIGN:
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(verticalAlign, VerticalAlign)
        if (!primitiveValue) {
            return;
        }
        if (primitiveValue->getIdent()) {
            khtml::EVerticalAlign align;

            switch (primitiveValue->getIdent()) {
            case CSS_VAL_TOP:
                align = TOP; break;
            case CSS_VAL_BOTTOM:
                align = BOTTOM; break;
            case CSS_VAL_MIDDLE:
                align = MIDDLE; break;
            case CSS_VAL_BASELINE:
                align = BASELINE; break;
            case CSS_VAL_TEXT_BOTTOM:
                align = TEXT_BOTTOM; break;
            case CSS_VAL_TEXT_TOP:
                align = TEXT_TOP; break;
            case CSS_VAL_SUB:
                align = SUB; break;
            case CSS_VAL_SUPER:
                align = SUPER; break;
            case CSS_VAL__KHTML_BASELINE_MIDDLE:
                align = BASELINE_MIDDLE; break;
            default:
                return;
            }
            style->setVerticalAlign(align);
            return;
        } else {
            int type = primitiveValue->primitiveType();
            Length l;
            if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
                l = Length(primitiveValue->computeLength(style, m_rootStyle, logicalDpiY), Fixed);
            } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
                l = Length(primitiveValue->floatValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
            }

            style->setVerticalAlign(LENGTH);
            style->setVerticalAlignLength(l);
        }
        break;

    case CSS_PROP_FONT_SIZE: {
        FontDef fontDef = style->htmlFont().fontDef;
        int size = 0;

        const bool isRootElement = element && (element->document()->documentElement() == element);

        if (isInherit) {
            size = parentStyle->font().pixelSize();
        } else if (isInitial) {
            size = m_fontSizes[3];
        } else if (primitiveValue->getIdent()) {
            // keywords are being used.  Pick the correct default
            // based off the font family.
#ifdef APPLE_CHANGES
            const QVector<int> &fontSizes = (fontDef.genericFamily == FontDef::eMonospace) ?
                                            m_fixedFontSizes : m_fontSizes;
#else
            const QVector<int> &fontSizes = m_fontSizes;
#endif
            int oldSize;
            if (parentNode) {
                oldSize = parentStyle->font().pixelSize();
            } else {
                oldSize = m_fontSizes[3];
            }
            switch (primitiveValue->getIdent()) {
            case CSS_VAL_XX_SMALL: size = fontSizes[0]; break;
            case CSS_VAL_X_SMALL:  size = fontSizes[1]; break;
            case CSS_VAL_SMALL:    size = fontSizes[2]; break;
            case CSS_VAL_MEDIUM:   size = fontSizes[3]; break;
            case CSS_VAL_LARGE:    size = fontSizes[4]; break;
            case CSS_VAL_X_LARGE:  size = fontSizes[5]; break;
            case CSS_VAL_XX_LARGE: size = fontSizes[6]; break;
            case CSS_VAL__KHTML_XXX_LARGE: size = fontSizes[7]; break;
            case CSS_VAL_LARGER:
                size = nextFontSize(fontSizes, oldSize, false);
                break;
            case CSS_VAL_SMALLER:
                size = nextFontSize(fontSizes, oldSize, true);
                break;
            default:
                return;
            }

        } else {
            const int type = primitiveValue->primitiveType();
            if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
                // Scale for the font zoom factor only for types other than "em", "ex", "ch", "rem",
                // since those are already based on the font size.
                if (!khtml::printpainter && !(type >= CSSPrimitiveValue::CSS_EMS && type <= CSSPrimitiveValue::CSS_REMS) && view && view->part()) {
                    size = qRound(primitiveValue->computeLengthFloat(parentStyle, m_rootStyle, logicalDpiY) * view->part()->fontScaleFactor() / 100.0);
                } else {
                    size = qRound(primitiveValue->computeLengthFloat(parentStyle, isRootElement ? m_rootDefaultStyle : m_rootStyle, logicalDpiY));
                }
            } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
                size = qRound(primitiveValue->floatValue(CSSPrimitiveValue::CSS_PERCENTAGE) * parentStyle->font().pixelSize() / 100.0);
            else {
                return;
            }

            // we never want to get smaller than the minimum font size to keep fonts readable
            // do not however maximize zero as that is commonly used for fancy layouting purposes
            if (size) {
                size = qMax(size, m_minFontSize);
            }
        }

        //qDebug() << "computed raw font size: " << size;

        fontDef.size = size;
        fontDirty |= style->setFontDef(fontDef);

        if (isRootElement) {
            // We changed font size of root element, update now our root style reference
            // so that root css properties based on 'rem' unit are correctly computed
            // TESTCASE: html { font-size: 30px; width: 10rem; border: solid; }
            m_rootStyle = style;
        }

        return;
    }

    case CSS_PROP_Z_INDEX: {
        if (isInherit) {
            style->setInheritedNoninherited(true);
            if (parentStyle->hasAutoZIndex()) {
                style->setHasAutoZIndex();
            } else {
                style->setZIndex(parentStyle->zIndex());
            }
            return;
        }

        if (isInitial) {
            style->setHasAutoZIndex();
            return;
        }

        if (!primitiveValue) {
            return;
        }

        if (primitiveValue->getIdent() == CSS_VAL_AUTO) {
            style->setHasAutoZIndex();
            return;
        }

        if (primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER) {
            return;    // Error case.
        }

        style->setZIndex((int)primitiveValue->floatValue(CSSPrimitiveValue::CSS_NUMBER));
        return;
    }

    case CSS_PROP_WIDOWS: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(widows, Widows)
        if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER) {
            return;
        }
        style->setWidows((short)primitiveValue->floatValue(CSSPrimitiveValue::CSS_NUMBER));
        break;
    }

    case CSS_PROP_ORPHANS: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(orphans, Orphans)
        if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER) {
            return;
        }
        style->setOrphans((short)primitiveValue->floatValue(CSSPrimitiveValue::CSS_NUMBER));
        break;
    }

// length, percent, number
    case CSS_PROP_LINE_HEIGHT: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(lineHeight, LineHeight)
        if (!primitiveValue) {
            return;
        }
        Length lineHeight;
        const int type = primitiveValue->primitiveType();
        if (primitiveValue->getIdent() == CSS_VAL_NORMAL) {
            lineHeight = Length(-100.0, Percent);
        } else if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
            // Scale for the font zoom factor only for types other than "em", "ex", "ch", "rem",
            // since those are already based on the font size.
            if (!khtml::printpainter && !(type >= CSSPrimitiveValue::CSS_EMS && type <= CSSPrimitiveValue::CSS_REMS) && view && view->part()) {
                lineHeight = Length(primitiveValue->computeLength(style, m_rootStyle, logicalDpiY) * view->part()->fontScaleFactor() / 100, Fixed);
            } else {
                lineHeight = Length(primitiveValue->computeLength(style, m_rootStyle, logicalDpiY), Fixed);
            }
        } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
            lineHeight = Length((style->font().pixelSize() * int(primitiveValue->floatValue(CSSPrimitiveValue::CSS_PERCENTAGE))) / 100, Fixed);
        } else if (type == CSSPrimitiveValue::CSS_NUMBER) {
            lineHeight = Length(primitiveValue->floatValue(CSSPrimitiveValue::CSS_NUMBER) * 100.0, Percent);
        } else {
            return;
        }
        style->setLineHeight(lineHeight);
        return;
    }

// string
    case CSS_PROP_TEXT_ALIGN: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(textAlign, TextAlign)
        if (!primitiveValue) {
            return;
        }
        if (primitiveValue->getIdent()) {
            style->setTextAlign((ETextAlign)(primitiveValue->getIdent() - CSS_VAL__KHTML_AUTO));
        }
        return;
    }

// rect
    case CSS_PROP_CLIP: {
        Length top = Length();
        Length right = Length();
        Length bottom = Length();
        Length left = Length();

        bool hasClip = false;

        if (isInherit && parentStyle->hasClip()) {
            hasClip = true;
            top = parentStyle->clipTop();
            right = parentStyle->clipRight();
            bottom = parentStyle->clipBottom();
            left = parentStyle->clipLeft();
        } else if (primitiveValue && primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_RECT) {
            RectImpl *rect = primitiveValue->getRectValue();
            if (rect) {
                hasClip = true;
                // As a convention, we pass in auto as Length(Auto). See RenderBox::clipRect
                top    = rect->top()->getIdent()    == CSS_VAL_AUTO ? Length(Auto)
                         : convertToLength(rect->top(), style, m_rootStyle, logicalDpiY);

                right  = rect->right()->getIdent()  == CSS_VAL_AUTO ? Length(Auto)
                         : convertToLength(rect->right(), style, m_rootStyle, logicalDpiY);

                bottom = rect->bottom()->getIdent() == CSS_VAL_AUTO ? Length(Auto)
                         : convertToLength(rect->bottom(), style, m_rootStyle, logicalDpiY);

                left   = rect->left()->getIdent()   == CSS_VAL_AUTO ? Length(Auto)
                         : convertToLength(rect->left(), style, m_rootStyle, logicalDpiY);
            }
        }

        style->setClip(top, right, bottom, left);
        style->setHasClip(hasClip);

        // rect, ident
        break;
    }

// lists
    case CSS_PROP_CONTENT:
        // list of string, uri, counter, attr, i
    {
        // FIXME: In CSS3, it will be possible to inherit content.  In CSS2 it is not.  This
        // note is a reminder that eventually "inherit" needs to be supported.

        // not allowed on non-generated pseudo-elements:
        if (style->styleType() == RenderStyle::FIRST_LETTER ||
                style->styleType() == RenderStyle::FIRST_LINE ||
                style->styleType() == RenderStyle::SELECTION) {
            break;
        }

        if (isInitial) {
            style->setContentNormal();
            return;
        }

        if (primitiveValue && primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_IDENT) {
            // normal | none
            if (primitiveValue->getIdent() == CSS_VAL_NORMAL) {
                style->setContentNormal();
            } else if (primitiveValue->getIdent() == CSS_VAL_NONE) {
                style->setContentNone();
            } else {
                assert(false);
            }
            return;
        }

        if (!value->isValueList()) {
            return;
        }
        CSSValueListImpl *list = static_cast<CSSValueListImpl *>(value);
        int len = list->length();

        style->setContentNormal(); // clear the content

        for (int i = 0; i < len; i++) {
            CSSValueImpl *item = list->item(i);
            if (!item->isPrimitiveValue()) {
                continue;
            }
            CSSPrimitiveValueImpl *val = static_cast<CSSPrimitiveValueImpl *>(item);
            if (val->primitiveType() == CSSPrimitiveValue::CSS_STRING) {
                style->addContent(val->getStringValue());
            } else if (val->primitiveType() == CSSPrimitiveValue::CSS_ATTR) {
                // TODO: setup dynamic attribute dependencies
                LocalName attrName;
                if (element->htmlCompat()) {
                    attrName = LocalName::fromString(DOMString(val->getStringValue()).lower());
                } else {
                    attrName = LocalName::fromString(val->getStringValue());
                }
                if (attrName.id()) {
                    style->addContent(element->getAttribute(makeId(emptyNamespace, attrName.id())).implementation());
                } else {
                    // qDebug() << "Attribute \"" << val->getStringValue() << "\" not found";
                }
            } else if (val->primitiveType() == CSSPrimitiveValue::CSS_URI) {
                CSSImageValueImpl *image = static_cast<CSSImageValueImpl *>(val);
                style->addContent(image->requestCssImage(element->document()));
            } else if (val->primitiveType() == CSSPrimitiveValue::CSS_COUNTER) {
                style->addContent(val->getCounterValue());
            } else if (val->primitiveType() == CSSPrimitiveValue::CSS_IDENT) {
                EQuoteContent quote;
                switch (val->getIdent()) {
                case CSS_VAL_OPEN_QUOTE:
                    quote = OPEN_QUOTE;
                    break;
                case CSS_VAL_NO_OPEN_QUOTE:
                    quote = NO_OPEN_QUOTE;
                    break;
                case CSS_VAL_CLOSE_QUOTE:
                    quote = CLOSE_QUOTE;
                    break;
                case CSS_VAL_NO_CLOSE_QUOTE:
                    quote = NO_CLOSE_QUOTE;
                    break;
                default:
                    assert(false);
                    quote = NO_QUOTE;
                }
                style->addContent(quote);
            } else {
                // qDebug() << "Unrecognized CSS content";
            }
        }
        break;
    }

    case CSS_PROP_COUNTER_INCREMENT: {
        if (!value->isValueList()) {
            return;
        }

        CSSValueListImpl *list = static_cast<CSSValueListImpl *>(value);
        style->setCounterIncrement(list);
        break;
    }
    case CSS_PROP_COUNTER_RESET: {
        if (!value->isValueList()) {
            return;
        }

        CSSValueListImpl *list = static_cast<CSSValueListImpl *>(value);
        style->setCounterReset(list);
        break;
    }
    case CSS_PROP_FONT_FAMILY:
        // list of strings and ids
    {
        if (isInherit) {
            FontDef parentFontDef = parentStyle->htmlFont().fontDef;
            FontDef fontDef = style->htmlFont().fontDef;
            fontDef.family = parentFontDef.family;
            if (style->setFontDef(fontDef)) {
                fontDirty = true;
            }
            return;
        } else if (isInitial) {
            FontDef fontDef = style->htmlFont().fontDef;
            FontDef initialDef = FontDef();
#ifdef APPLE_CHANGES
            fontDef.family = initialDef.firstFamily();
#else
            fontDef.family = initialDef.family;
#endif
            if (style->setFontDef(fontDef)) {
                fontDirty = true;
            }
            return;
        }
        if (!value->isValueList()) {
            return;
        }
        FontDef fontDef = style->htmlFont().fontDef;
        CSSValueListImpl *list = static_cast<CSSValueListImpl *>(value);
        int len = list->length();
        bool hasFamilyName = false;
        for (int i = 0; i < len; i++) {
            CSSValueImpl *item = list->item(i);
            if (!item->isPrimitiveValue()) {
                continue;
            }
            CSSPrimitiveValueImpl *val = static_cast<CSSPrimitiveValueImpl *>(item);
            QString face;
            if (val->primitiveType() == CSSPrimitiveValue::CSS_STRING) {
                face = static_cast<FontFamilyValueImpl *>(val)->fontName();
                m_fontSelector->requestFamilyName(DOMString(face));
            } else if (val->primitiveType() == CSSPrimitiveValue::CSS_IDENT) {
                switch (val->getIdent()) {
                case CSS_VAL_SERIF:
                    face = settings->serifFontName();
                    break;
                case CSS_VAL_SANS_SERIF:
                    face = settings->sansSerifFontName();
                    break;
                case CSS_VAL_CURSIVE:
                    face = settings->cursiveFontName();
                    break;
                case CSS_VAL_FANTASY:
                    face = settings->fantasyFontName();
                    break;
                case CSS_VAL_MONOSPACE:
                    face = settings->fixedFontName();
                    break;
                default:
                    return;
                }
            } else {
                return;
            }
            if (!face.isEmpty()) {
                if (!hasFamilyName) {
                    fontDef.family = face;
                    hasFamilyName = true;
                } else {
                    fontDef.family += ",";
                    fontDef.family += face;
                }
            }
        }
        if (hasFamilyName) {
            fontDirty |= style->setFontDef(fontDef);
        }
        break;
    }
    case CSS_PROP_QUOTES:
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(quotes, Quotes)
        if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_NONE) {
            // set a set of empty quotes
            QuotesValueImpl *quotes = new QuotesValueImpl();
            style->setQuotes(quotes);
        } else {
            QuotesValueImpl *quotes = static_cast<QuotesValueImpl *>(value);
            style->setQuotes(quotes);
        }
        break;
    case CSS_PROP_SIZE:
        // ### look up
        break;
    case CSS_PROP_TEXT_DECORATION: {
        // list of ident
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(textDecoration, TextDecoration)
        int t = RenderStyle::initialTextDecoration();
        if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_NONE) {
            // do nothing
        } else {
            if (!value->isValueList()) {
                return;
            }
            CSSValueListImpl *list = static_cast<CSSValueListImpl *>(value);
            int len = list->length();
            for (int i = 0; i < len; i++) {
                CSSValueImpl *item = list->item(i);
                if (!item->isPrimitiveValue()) {
                    continue;
                }
                primitiveValue = static_cast<CSSPrimitiveValueImpl *>(item);
                switch (primitiveValue->getIdent()) {
                case CSS_VAL_NONE:
                    t = TDNONE; break;
                case CSS_VAL_UNDERLINE:
                    t |= UNDERLINE; break;
                case CSS_VAL_OVERLINE:
                    t |= OVERLINE; break;
                case CSS_VAL_LINE_THROUGH:
                    t |= LINE_THROUGH; break;
                case CSS_VAL_BLINK:
                    t |= BLINK; break;
                default:
                    return;
                }
            }
        }
        style->setTextDecoration(t);
        break;
    }
    case CSS_PROP__KHTML_FLOW_MODE:
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(flowAroundFloats, FlowAroundFloats)
        if (!primitiveValue) {
            return;
        }
        if (primitiveValue->getIdent()) {
            style->setFlowAroundFloats(primitiveValue->getIdent() == CSS_VAL__KHTML_AROUND_FLOATS);
            return;
        }
        break;
    case CSS_PROP__KHTML_USER_INPUT: {
        if (value->cssValueType() == CSSValue::CSS_INHERIT) {
            if (!parentNode) {
                return;
            }
            style->setUserInput(parentStyle->userInput());
//      qDebug() << "UI erm";
            return;
        }
        if (!primitiveValue) {
            return;
        }
        int id = primitiveValue->getIdent();
        if (id == CSS_VAL_NONE) {
            style->setUserInput(UI_NONE);
        } else {
            style->setUserInput(EUserInput(id - CSS_VAL_ENABLED));
        }
//  qDebug() << "userInput: " << style->userEdit();
        return;
    }

// shorthand properties
    case CSS_PROP_BACKGROUND:
        if (isInitial) {
            style->setBackgroundColor(QColor());
            return;
        } else if (isInherit) {
            style->inheritBackgroundLayers(*parentStyle->backgroundLayers());
            style->setBackgroundColor(parentStyle->backgroundColor());
        }
        break;
    case CSS_PROP_BORDER:
    case CSS_PROP_BORDER_STYLE:
    case CSS_PROP_BORDER_WIDTH:
    case CSS_PROP_BORDER_COLOR:
        if (isInherit) {
            style->setInheritedNoninherited(true);
        }
        if (id == CSS_PROP_BORDER || id == CSS_PROP_BORDER_COLOR) {
            if (isInherit) {
                style->setBorderTopColor(inheritedBorderColor(parentStyle, parentStyle->borderTopColor()));
                style->setBorderBottomColor(inheritedBorderColor(parentStyle, parentStyle->borderBottomColor()));
                style->setBorderLeftColor(inheritedBorderColor(parentStyle, parentStyle->borderLeftColor()));
                style->setBorderRightColor(inheritedBorderColor(parentStyle, parentStyle->borderRightColor()));
            } else if (isInitial) {
                style->setBorderTopColor(QColor()); // Reset to invalid color so currentColor is used instead.
                style->setBorderBottomColor(QColor());
                style->setBorderLeftColor(QColor());
                style->setBorderRightColor(QColor());
            }
        }
        if (id == CSS_PROP_BORDER || id == CSS_PROP_BORDER_STYLE) {
            if (isInherit) {
                style->setBorderTopStyle(parentStyle->borderTopStyle());
                style->setBorderBottomStyle(parentStyle->borderBottomStyle());
                style->setBorderLeftStyle(parentStyle->borderLeftStyle());
                style->setBorderRightStyle(parentStyle->borderRightStyle());
            } else if (isInitial) {
                style->setBorderTopStyle(RenderStyle::initialBorderStyle());
                style->setBorderBottomStyle(RenderStyle::initialBorderStyle());
                style->setBorderLeftStyle(RenderStyle::initialBorderStyle());
                style->setBorderRightStyle(RenderStyle::initialBorderStyle());
            }
        }
        if (id == CSS_PROP_BORDER || id == CSS_PROP_BORDER_WIDTH) {
            if (isInherit) {
                style->setBorderTopWidth(parentStyle->borderTopWidth());
                style->setBorderBottomWidth(parentStyle->borderBottomWidth());
                style->setBorderLeftWidth(parentStyle->borderLeftWidth());
                style->setBorderRightWidth(parentStyle->borderRightWidth());
            } else if (isInitial) {
                style->setBorderTopWidth(RenderStyle::initialBorderWidth());
                style->setBorderBottomWidth(RenderStyle::initialBorderWidth());
                style->setBorderLeftWidth(RenderStyle::initialBorderWidth());
                style->setBorderRightWidth(RenderStyle::initialBorderWidth());
            }
        }
        return;
    case CSS_PROP_BORDER_TOP:
        if (isInherit) {
            style->setInheritedNoninherited(true);
            style->setBorderTopColor(inheritedBorderColor(parentStyle, parentStyle->borderTopColor()));
            style->setBorderTopStyle(parentStyle->borderTopStyle());
            style->setBorderTopWidth(parentStyle->borderTopWidth());
        } else if (isInitial) {
            style->resetBorderTop();
        }
        return;
    case CSS_PROP_BORDER_RIGHT:
        if (isInherit) {
            style->setInheritedNoninherited(true);
            style->setBorderRightColor(inheritedBorderColor(parentStyle, parentStyle->borderRightColor()));
            style->setBorderRightStyle(parentStyle->borderRightStyle());
            style->setBorderRightWidth(parentStyle->borderRightWidth());
        } else if (isInitial) {
            style->resetBorderRight();
        }
        return;
    case CSS_PROP_BORDER_BOTTOM:
        if (isInherit) {
            style->setInheritedNoninherited(true);
            style->setBorderBottomColor(inheritedBorderColor(parentStyle, parentStyle->borderBottomColor()));
            style->setBorderBottomStyle(parentStyle->borderBottomStyle());
            style->setBorderBottomWidth(parentStyle->borderBottomWidth());
        } else if (isInitial) {
            style->resetBorderBottom();
        }
        return;
    case CSS_PROP_BORDER_LEFT:
        if (isInherit) {
            style->setInheritedNoninherited(true);
            style->setBorderLeftColor(inheritedBorderColor(parentStyle, parentStyle->borderLeftColor()));
            style->setBorderLeftStyle(parentStyle->borderLeftStyle());
            style->setBorderLeftWidth(parentStyle->borderLeftWidth());
        } else if (isInitial) {
            style->resetBorderLeft();
        }
        return;
    case CSS_PROP_MARGIN:
        if (isInherit) {
            style->setInheritedNoninherited(true);
            style->setMarginTop(parentStyle->marginTop());
            style->setMarginBottom(parentStyle->marginBottom());
            style->setMarginLeft(parentStyle->marginLeft());
            style->setMarginRight(parentStyle->marginRight());
        } else if (isInitial) {
            style->resetMargin();
        }
        return;
    case CSS_PROP_PADDING:
        if (isInherit) {
            style->setInheritedNoninherited(true);
            style->setPaddingTop(parentStyle->paddingTop());
            style->setPaddingBottom(parentStyle->paddingBottom());
            style->setPaddingLeft(parentStyle->paddingLeft());
            style->setPaddingRight(parentStyle->paddingRight());
        } else if (isInitial) {
            style->resetPadding();
        }
        return;
    case CSS_PROP_FONT:
        if (isInherit) {
            FontDef fontDef = parentStyle->htmlFont().fontDef;
            style->setLineHeight(parentStyle->lineHeight());
            fontDirty |= style->setFontDef(fontDef);
        } else if (isInitial) {
            FontDef fontDef;
            fontDef.size = m_fontSizes[3];
            style->setLineHeight(RenderStyle::initialLineHeight());
            fontDirty |= style->setFontDef(fontDef);
        } else if (primitiveValue) {
            // Handle system fonts. We extract out properties from a QFont
            // into the RenderStyle.
            QFont f;
            switch (primitiveValue->getIdent()) {
            case CSS_VAL_ICON:
                f = QFontDatabase::systemFont(QFontDatabase::GeneralFont);
                break;

            case CSS_VAL_MENU:
                f = QFontDatabase::systemFont(QFontDatabase::GeneralFont);
                break;

            case CSS_VAL_SMALL_CAPTION:
                f = QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont);
                break;

            case CSS_VAL_CAPTION:
            case CSS_VAL_MESSAGE_BOX:
            case CSS_VAL_STATUS_BAR:
                f = QFontDatabase::systemFont(QFontDatabase::GeneralFont);
                break;
            default:
                return;
            }

            FontDef fontDef = style->htmlFont().fontDef;
            fontDef.family    = f.family();
            fontDef.italic    = f.italic();
            fontDef.smallCaps = (f.capitalization() == QFont::SmallCaps);
            fontDef.weight    = f.weight();
            fontDirty |= style->setFontDef(fontDef);

            // Use applyRule to apply height, so it can convert
            // point sizes, and cap pixel sizes appropriately.
            if (f.pixelSize() != -1) {
                CSSPrimitiveValueImpl size(f.pixelSize(), CSSPrimitiveValue::CSS_PX);
                applyRule(CSS_PROP_FONT_SIZE, &size);
            } else {
                CSSPrimitiveValueImpl size(f.pointSize(), CSSPrimitiveValue::CSS_PT);
                applyRule(CSS_PROP_FONT_SIZE, &size);
            }

            // line-height just gets default.
            style->setLineHeight(RenderStyle::initialLineHeight());
        }
        return;

    case CSS_PROP_LIST_STYLE:
        if (isInherit) {
            style->setListStyleType(parentStyle->listStyleType());
            style->setListStyleImage(parentStyle->listStyleImage());
            style->setListStylePosition(parentStyle->listStylePosition());
        } else if (isInitial) {
            style->setListStyleType(RenderStyle::initialListStyleType());
            style->setListStyleImage(RenderStyle::initialListStyleImage());
            style->setListStylePosition(RenderStyle::initialListStylePosition());
        }
        break;
    case CSS_PROP_OUTLINE:
        if (isInherit) {
            style->setOutlineWidth(parentStyle->outlineWidth());
            style->setOutlineColor(parentStyle->outlineColor());
            style->setOutlineStyle(parentStyle->outlineStyle());
        } else if (isInitial) {
            style->resetOutline();
        }
        break;
    /* CSS3 properties */
    case CSS_PROP_BOX_SIZING:
        HANDLE_INHERIT_ON_NONINHERITED_PROPERTY(boxSizing, BoxSizing)
        if (!primitiveValue) {
            return;
        }
        if (primitiveValue->getIdent() == CSS_VAL_CONTENT_BOX) {
            style->setBoxSizing(CONTENT_BOX);
        } else if (primitiveValue->getIdent() == CSS_VAL_BORDER_BOX) {
            style->setBoxSizing(BORDER_BOX);
        }
        break;
    case CSS_PROP_OUTLINE_OFFSET: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(outlineOffset, OutlineOffset)

        int offset = primitiveValue->computeLength(style, m_rootStyle, logicalDpiY);
        if (offset < 0) {
            return;
        }

        style->setOutlineOffset(offset);
        break;
    }
    case CSS_PROP_TEXT_SHADOW: {
        if (isInherit) {
            style->setTextShadow(parentStyle->textShadow() ? new ShadowData(*parentStyle->textShadow()) : 0);
            return;
        } else if (isInitial) {
            style->setTextShadow(0);
            return;
        }

        if (primitiveValue) { // none
            style->setTextShadow(0);
            return;
        }

        if (!value->isValueList()) {
            return;
        }
        CSSValueListImpl *list = static_cast<CSSValueListImpl *>(value);
        int len = list->length();
        for (int i = 0; i < len; i++) {
            ShadowValueImpl *item = static_cast<ShadowValueImpl *>(list->item(i));

            int x = item->x->computeLength(style, m_rootStyle, logicalDpiY);
            int y = item->y->computeLength(style, m_rootStyle, logicalDpiY);
            int blur = item->blur ? item->blur->computeLength(style, m_rootStyle, logicalDpiY) : 0;
            QColor col = khtml::transparentColor;
            if (item->color) {
                int ident = item->color->getIdent();
                if (ident) {
                    col = colorForCSSValue(ident);
                } else if (item->color->primitiveType() == CSSPrimitiveValue::CSS_RGBCOLOR) {
                    col.setRgba(item->color->getRGBColorValue());
                }
            }
            ShadowData *shadowData = new ShadowData(x, y, blur, col);
            style->setTextShadow(shadowData, i != 0);
        }

        break;
    }
    case CSS_PROP_OPACITY:
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(opacity, Opacity)
        if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER) {
            return;    // Error case.
        }

        // Clamp opacity to the range 0-1
        style->setOpacity(qMin(1.0f, qMax(0.0f, (float)primitiveValue->floatValue(CSSPrimitiveValue::CSS_NUMBER))));
        break;
    case CSS_PROP__KHTML_MARQUEE:
        if (value->cssValueType() != CSSValue::CSS_INHERIT || !parentNode) {
            return;
        }
        style->setMarqueeDirection(parentStyle->marqueeDirection());
        style->setMarqueeIncrement(parentStyle->marqueeIncrement());
        style->setMarqueeSpeed(parentStyle->marqueeSpeed());
        style->setMarqueeLoopCount(parentStyle->marqueeLoopCount());
        style->setMarqueeBehavior(parentStyle->marqueeBehavior());
        break;
    case CSS_PROP__KHTML_MARQUEE_REPETITION: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(marqueeLoopCount, MarqueeLoopCount)
        if (!primitiveValue) {
            return;
        }
        if (primitiveValue->getIdent() == CSS_VAL_INFINITE) {
            style->setMarqueeLoopCount(-1);    // -1 means repeat forever.
        } else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_NUMBER) {
            style->setMarqueeLoopCount((int)(primitiveValue->floatValue(CSSPrimitiveValue::CSS_NUMBER)));
        }
        break;
    }
    case CSS_PROP__KHTML_MARQUEE_SPEED: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(marqueeSpeed, MarqueeSpeed)
        if (!primitiveValue) {
            return;
        }
        if (primitiveValue->getIdent()) {
            switch (primitiveValue->getIdent()) {
            case CSS_VAL_SLOW:
                style->setMarqueeSpeed(500); // 500 msec.
                break;
            case CSS_VAL_NORMAL:
                style->setMarqueeSpeed(85); // 85msec. The WinIE default.
                break;
            case CSS_VAL_FAST:
                style->setMarqueeSpeed(10); // 10msec. Super fast.
                break;
            }
        } else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_S) {
            style->setMarqueeSpeed(int(1000 * primitiveValue->floatValue(CSSPrimitiveValue::CSS_S)));
        } else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_MS) {
            style->setMarqueeSpeed(int(primitiveValue->floatValue(CSSPrimitiveValue::CSS_MS)));
        } else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_NUMBER) { // For scrollamount support.
            style->setMarqueeSpeed(int(primitiveValue->floatValue(CSSPrimitiveValue::CSS_NUMBER)));
        }
        break;
    }
    case CSS_PROP__KHTML_MARQUEE_INCREMENT: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(marqueeIncrement, MarqueeIncrement)
        if (!primitiveValue) {
            return;
        }
        if (primitiveValue->getIdent()) {
            switch (primitiveValue->getIdent()) {
            case CSS_VAL_SMALL:
                style->setMarqueeIncrement(Length(1, Fixed)); // 1px.
                break;
            case CSS_VAL_NORMAL:
                style->setMarqueeIncrement(Length(6, Fixed)); // 6px. The WinIE default.
                break;
            case CSS_VAL_LARGE:
                style->setMarqueeIncrement(Length(36, Fixed)); // 36px.
                break;
            }
        } else {
            bool ok = true;
            Length l = convertToLength(primitiveValue, style, m_rootStyle, logicalDpiY, &ok);
            if (ok) {
                style->setMarqueeIncrement(l);
            }
        }
        break;
    }
    case CSS_PROP__KHTML_MARQUEE_STYLE: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(marqueeBehavior, MarqueeBehavior)
        if (!primitiveValue || !primitiveValue->getIdent()) {
            return;
        }
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_NONE:
            style->setMarqueeBehavior(MNONE);
            break;
        case CSS_VAL_SCROLL:
            style->setMarqueeBehavior(MSCROLL);
            break;
        case CSS_VAL_SLIDE:
            style->setMarqueeBehavior(MSLIDE);
            break;
        case CSS_VAL_ALTERNATE:
            style->setMarqueeBehavior(MALTERNATE);
            break;
        case CSS_VAL_UNFURL:
            style->setMarqueeBehavior(MUNFURL);
            break;
        }
        break;
    }
    case CSS_PROP__KHTML_MARQUEE_DIRECTION: {
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(marqueeDirection, MarqueeDirection)
        if (!primitiveValue || !primitiveValue->getIdent()) {
            return;
        }
        switch (primitiveValue->getIdent()) {
        case CSS_VAL_FORWARDS:
            style->setMarqueeDirection(MFORWARD);
            break;
        case CSS_VAL_BACKWARDS:
            style->setMarqueeDirection(MBACKWARD);
            break;
        case CSS_VAL_AUTO:
            style->setMarqueeDirection(MAUTO);
            break;
        case CSS_VAL_AHEAD:
        case CSS_VAL_UP: // We don't support vertical languages, so AHEAD just maps to UP.
            style->setMarqueeDirection(MUP);
            break;
        case CSS_VAL_REVERSE:
        case CSS_VAL_DOWN: // REVERSE just maps to DOWN, since we don't do vertical text.
            style->setMarqueeDirection(MDOWN);
            break;
        case CSS_VAL_LEFT:
            style->setMarqueeDirection(MLEFT);
            break;
        case CSS_VAL_RIGHT:
            style->setMarqueeDirection(MRIGHT);
            break;
        }
        break;
    }
    case CSS_PROP_TEXT_OVERFLOW: {
        // This property is supported by WinIE, and so we leave off the "-khtml-" in order to
        // work with WinIE-specific pages that use the property.
        HANDLE_INITIAL_AND_INHERIT_ON_NONINHERITED_PROPERTY(textOverflow, TextOverflow)
        if (!primitiveValue || !primitiveValue->getIdent()) {
            return;
        }
        style->setTextOverflow(primitiveValue->getIdent() == CSS_VAL_ELLIPSIS);
        break;
    }
    case CSS_PROP_WORD_WRAP: {
        HANDLE_INITIAL_AND_INHERIT_ON_INHERITED_PROPERTY(wordWrap, WordWrap)
        if (!primitiveValue) {
            return;
        }
        style->setWordWrap(primitiveValue->getIdent() == CSS_VAL_NORMAL ? WWNORMAL : WWBREAKWORD);
        break;
    }
    default:
        applySVGRule(id, value);
        return;
    }
}

void CSSStyleSelector::mapBackgroundAttachment(BackgroundLayer *layer, DOM::CSSValueImpl *value)
{
    if (value->cssValueType() == CSSValue::CSS_INITIAL) {
        layer->setBackgroundAttachment(RenderStyle::initialBackgroundAttachment());
        return;
    }

    if (!value->isPrimitiveValue()) {
        return;
    }
    CSSPrimitiveValueImpl *primitiveValue = static_cast<CSSPrimitiveValueImpl *>(value);
    switch (primitiveValue->getIdent()) {
    case CSS_VAL_SCROLL:
        layer->setBackgroundAttachment(BGASCROLL);
        break;
    case CSS_VAL_FIXED:
        layer->setBackgroundAttachment(BGAFIXED);
        break;
    case CSS_VAL_LOCAL:
        layer->setBackgroundAttachment(BGALOCAL);
        break;
    default:
        return;
    }
}

void CSSStyleSelector::mapBackgroundClip(BackgroundLayer *layer, CSSValueImpl *value)
{
    if (value->cssValueType() == CSSValue::CSS_INITIAL) {
        layer->setBackgroundClip(RenderStyle::initialBackgroundClip());
        return;
    }

    if (!value->isPrimitiveValue()) {
        return;
    }
    CSSPrimitiveValueImpl *primitiveValue = static_cast<CSSPrimitiveValueImpl *>(value);
    switch (primitiveValue->getIdent()) {
    case CSS_VAL_BORDER:
    case CSS_VAL_BORDER_BOX:
        layer->setBackgroundClip(BGBORDER);
        break;
    case CSS_VAL_PADDING:
    case CSS_VAL_PADDING_BOX:
        layer->setBackgroundClip(BGPADDING);
        break;
    default: // CSS_VAL_CONTENT
        layer->setBackgroundClip(BGCONTENT);
        break;
    }
}

void CSSStyleSelector::mapBackgroundOrigin(BackgroundLayer *layer, CSSValueImpl *value)
{
    if (value->cssValueType() == CSSValue::CSS_INITIAL) {
        layer->setBackgroundOrigin(RenderStyle::initialBackgroundOrigin());
        return;
    }

    if (!value->isPrimitiveValue()) {
        return;
    }
    CSSPrimitiveValueImpl *primitiveValue = static_cast<CSSPrimitiveValueImpl *>(value);
    switch (primitiveValue->getIdent()) {
    case CSS_VAL_BORDER:
    case CSS_VAL_BORDER_BOX:
        layer->setBackgroundOrigin(BGBORDER);
        break;
    case CSS_VAL_PADDING:
    case CSS_VAL_PADDING_BOX:
        layer->setBackgroundOrigin(BGPADDING);
        break;
    default: // CSS_VAL_CONTENT
        layer->setBackgroundOrigin(BGCONTENT);
        break;
    }
}

void CSSStyleSelector::mapBackgroundImage(BackgroundLayer *layer, DOM::CSSValueImpl *value)
{
    if (value->cssValueType() == CSSValue::CSS_INITIAL) {
        layer->setBackgroundImage(RenderStyle::initialBackgroundImage());
        return;
    }

    if (!value->isPrimitiveValue()) {
        return;
    }
    CSSPrimitiveValueImpl *primitiveValue = static_cast<CSSPrimitiveValueImpl *>(value);
    layer->setBackgroundImage(static_cast<CSSImageValueImpl *>(primitiveValue)->requestCssImage(element->document()));
}

void CSSStyleSelector::mapBackgroundRepeat(BackgroundLayer *layer, DOM::CSSValueImpl *value)
{
    if (value->cssValueType() == CSSValue::CSS_INITIAL) {
        layer->setBackgroundRepeat(RenderStyle::initialBackgroundRepeat());
        return;
    }

    if (!value->isPrimitiveValue()) {
        return;
    }
    CSSPrimitiveValueImpl *primitiveValue = static_cast<CSSPrimitiveValueImpl *>(value);
    switch (primitiveValue->getIdent()) {
    case CSS_VAL_REPEAT:
        layer->setBackgroundRepeat(REPEAT);
        break;
    case CSS_VAL_REPEAT_X:
        layer->setBackgroundRepeat(REPEAT_X);
        break;
    case CSS_VAL_REPEAT_Y:
        layer->setBackgroundRepeat(REPEAT_Y);
        break;
    case CSS_VAL_NO_REPEAT:
        layer->setBackgroundRepeat(NO_REPEAT);
        break;
    default:
        return;
    }
}

void CSSStyleSelector::mapBackgroundSize(BackgroundLayer *layer, CSSValueImpl *value)
{
    LengthSize b = RenderStyle::initialBackgroundSize();

    if (value->cssValueType() == CSSValue::CSS_INITIAL) {
        layer->setBackgroundSize(b);
        return;
    }

    if (!value->isPrimitiveValue()) {
        return;
    }

    CSSPrimitiveValueImpl *primitiveValue = static_cast<CSSPrimitiveValueImpl *>(value);
    const int id = primitiveValue->getIdent();
    if (id == CSS_VAL_CONTAIN) {
        layer->setBackgroundSizeType(BGSCONTAIN);
        return;
    }
    if (id == CSS_VAL_COVER) {
        layer->setBackgroundSizeType(BGSCOVER);
        return;
    }

    PairImpl *pair = primitiveValue->getPairValue();
    if (!pair) {
        return;
    }

    CSSPrimitiveValueImpl *first = static_cast<CSSPrimitiveValueImpl *>(pair->first());
    CSSPrimitiveValueImpl *second = static_cast<CSSPrimitiveValueImpl *>(pair->second());

    if (!first || !second) {
        return;
    }

    Length firstLength, secondLength;

    if (first->getIdent() == CSS_VAL_AUTO) {
        firstLength = Length(Auto);
    } else {
        const int type = first->primitiveType();
        if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
            firstLength = Length(first->computeLength(style, m_rootStyle, logicalDpiY), Fixed);
        } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
            firstLength = Length(first->floatValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
        } else {
            return;
        }
    }

    if (second->getIdent() == CSS_VAL_AUTO) {
        secondLength = Length(Auto);
    } else {
        const int type = second->primitiveType();
        if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
            secondLength = Length(second->computeLength(style, m_rootStyle, logicalDpiY), Fixed);
        } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
            secondLength = Length(second->floatValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
        } else {
            return;
        }
    }

    b.width = firstLength;
    b.height = secondLength;
    layer->setBackgroundSize(b);
}

void CSSStyleSelector::mapBackgroundXPosition(BackgroundLayer *layer, DOM::CSSValueImpl *value)
{
    if (value->cssValueType() == CSSValue::CSS_INITIAL) {
        layer->setBackgroundXPosition(RenderStyle::initialBackgroundXPosition());
        return;
    }

    if (!value->isPrimitiveValue()) {
        return;
    }
    CSSPrimitiveValueImpl *primitiveValue = static_cast<CSSPrimitiveValueImpl *>(value);
    Length l;
    int type = primitiveValue->primitiveType();
    if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
        l = Length(primitiveValue->computeLength(style, m_rootStyle, logicalDpiY), Fixed);
    } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
        l = Length(primitiveValue->floatValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
    } else {
        return;
    }
    layer->setBackgroundXPosition(l);
}

void CSSStyleSelector::mapBackgroundYPosition(BackgroundLayer *layer, DOM::CSSValueImpl *value)
{
    if (value->cssValueType() == CSSValue::CSS_INITIAL) {
        layer->setBackgroundYPosition(RenderStyle::initialBackgroundYPosition());
        return;
    }

    if (!value->isPrimitiveValue()) {
        return;
    }
    CSSPrimitiveValueImpl *primitiveValue = static_cast<CSSPrimitiveValueImpl *>(value);
    Length l;
    int type = primitiveValue->primitiveType();
    if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
        l = Length(primitiveValue->computeLength(style, m_rootStyle, logicalDpiY), Fixed);
    } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
        l = Length(primitiveValue->floatValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
    } else {
        return;
    }
    layer->setBackgroundYPosition(l);
}

#ifdef APPLE_CHANGES
void CSSStyleSelector::checkForGenericFamilyChange(RenderStyle *aStyle, RenderStyle *aParentStyle)
{
    const FontDef &childFont = aStyle->htmlFont().fontDef;

    if (childFont.sizeSpecified || !aParentStyle) {
        return;
    }

    const FontDef &parentFont = aParentStyle->htmlFont().fontDef;

    if (childFont.genericFamily == parentFont.genericFamily) {
        return;
    }

    // For now, lump all families but monospace together.
    if (childFont.genericFamily != FontDef::eMonospace &&
            parentFont.genericFamily != FontDef::eMonospace) {
        return;
    }

    // We know the parent is monospace or the child is monospace, and that font
    // size was unspecified.  We want to alter our font size to use the correct
    // "medium" font for our family.
    float size = 0;
    int minFontSize = settings->minFontSize();
    size = (childFont.genericFamily == FontDef::eMonospace) ? m_fixedFontSizes[3] : m_fontSizes[3];
    int isize = (int)size;
    if (isize < minFontSize) {
        isize = minFontSize;
    }

    FontDef newFontDef(childFont);
    newFontDef.size = isize;
    aStyle->setFontDef(newFontDef);
}
#endif

// #### FIXME!! this is ugly and isn't even properly updated or destroyed.

void CSSStyleSelector::addViewportDependentMediaQueryResult(const MediaQueryExp *expr, bool result)
{
    m_viewportDependentMediaQueryResults.append(new MediaQueryResult(*expr, result));
}

bool CSSStyleSelector::affectedByViewportChange() const
{
    const int s = m_viewportDependentMediaQueryResults.size();
    for (int i = 0; i < s; i++) {
        if (m_medium->eval(&m_viewportDependentMediaQueryResults.at(i)->m_expression) != m_viewportDependentMediaQueryResults.at(i)->m_result) {
            return true;
        }
    }
    return false;
}

} // namespace khtml

