renderstyle.h

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    {
        // Normal and nowrap do not preserve newlines.
        return ws != NORMAL && ws != NOWRAP;
    }

    bool preserveNewline() const
    {
        return preserveNewline(whiteSpace());
    }

    static bool collapseWhiteSpace(EWhiteSpace ws)
    {
        // Pre and prewrap do not collapse whitespace.
        return ws != PRE && ws != PRE_WRAP;
    }

    bool collapseWhiteSpace() const
    {
        return collapseWhiteSpace(whiteSpace());
    }

    bool isCollapsibleWhiteSpace(UChar c) const
    {
        switch (c) {
            case ' ':
            case '\t':
                return collapseWhiteSpace();
            case '\n':
                return !preserveNewline();
        }
        return false;
    }

    bool breakOnlyAfterWhiteSpace() const
    {
        return whiteSpace() == PRE_WRAP || khtmlLineBreak() == AFTER_WHITE_SPACE;
    }

    bool breakWords() const
    {
        return wordBreak() == BreakWordBreak || wordWrap() == BreakWordWrap;
    }

    const Color& backgroundColor() const { return background->m_color; }
    StyleImage* backgroundImage() const { return background->m_background.m_image.get(); }
    EFillRepeat backgroundRepeat() const { return static_cast<EFillRepeat>(background->m_background.m_repeat); }
    CompositeOperator backgroundComposite() const { return static_cast<CompositeOperator>(background->m_background.m_composite); }
    bool backgroundAttachment() const { return background->m_background.m_attachment; }
    EFillBox backgroundClip() const { return static_cast<EFillBox>(background->m_background.m_clip); }
    EFillBox backgroundOrigin() const { return static_cast<EFillBox>(background->m_background.m_origin); }
    Length backgroundXPosition() const { return background->m_background.m_xPosition; }
    Length backgroundYPosition() const { return background->m_background.m_yPosition; }
    LengthSize backgroundSize() const { return background->m_background.m_size; }
    FillLayer* accessBackgroundLayers() { return &(background.access()->m_background); }
    const FillLayer* backgroundLayers() const { return &(background->m_background); }

    StyleImage* maskImage() const { return rareNonInheritedData->m_mask.m_image.get(); }
    EFillRepeat maskRepeat() const { return static_cast<EFillRepeat>(rareNonInheritedData->m_mask.m_repeat); }
    CompositeOperator maskComposite() const { return static_cast<CompositeOperator>(rareNonInheritedData->m_mask.m_composite); }
    bool maskAttachment() const { return rareNonInheritedData->m_mask.m_attachment; }
    EFillBox maskClip() const { return static_cast<EFillBox>(rareNonInheritedData->m_mask.m_clip); }
    EFillBox maskOrigin() const { return static_cast<EFillBox>(rareNonInheritedData->m_mask.m_origin); }
    Length maskXPosition() const { return rareNonInheritedData->m_mask.m_xPosition; }
    Length maskYPosition() const { return rareNonInheritedData->m_mask.m_yPosition; }
    LengthSize maskSize() const { return rareNonInheritedData->m_mask.m_size; }
    FillLayer* accessMaskLayers() { return &(rareNonInheritedData.access()->m_mask); }
    const FillLayer* maskLayers() const { return &(rareNonInheritedData->m_mask); }
    const NinePieceImage& maskBoxImage() const { return rareNonInheritedData->m_maskBoxImage; }

    // returns true for collapsing borders, false for separate borders
    bool borderCollapse() const { return inherited_flags._border_collapse; }
    short horizontalBorderSpacing() const { return inherited->horizontal_border_spacing; }
    short verticalBorderSpacing() const { return inherited->vertical_border_spacing; }
    EEmptyCell emptyCells() const { return static_cast<EEmptyCell>(inherited_flags._empty_cells); }
    ECaptionSide captionSide() const { return static_cast<ECaptionSide>(inherited_flags._caption_side); }

    short counterIncrement() const { return visual->counterIncrement; }
    short counterReset() const { return visual->counterReset; }

    EListStyleType listStyleType() const { return static_cast<EListStyleType>(inherited_flags._list_style_type); }
    StyleImage* listStyleImage() const { return inherited->list_style_image.get(); }
    EListStylePosition listStylePosition() const { return static_cast<EListStylePosition>(inherited_flags._list_style_position); }

    Length marginTop() const { return surround->margin.top(); }
    Length marginBottom() const { return surround->margin.bottom(); }
    Length marginLeft() const { return surround->margin.left(); }
    Length marginRight() const { return surround->margin.right(); }

    LengthBox paddingBox() const { return surround->padding; }
    Length paddingTop() const { return surround->padding.top(); }
    Length paddingBottom() const { return surround->padding.bottom(); }
    Length paddingLeft() const { return surround->padding.left(); }
    Length paddingRight() const { return surround->padding.right(); }

    ECursor cursor() const { return static_cast<ECursor>(inherited_flags._cursor_style); }

    CursorList* cursors() const { return inherited->cursorData.get(); }

    short widows() const { return inherited->widows; }
    short orphans() const { return inherited->orphans; }
    EPageBreak pageBreakInside() const { return static_cast<EPageBreak>(inherited->page_break_inside); }
    EPageBreak pageBreakBefore() const { return static_cast<EPageBreak>(noninherited_flags._page_break_before); }
    EPageBreak pageBreakAfter() const { return static_cast<EPageBreak>(noninherited_flags._page_break_after); }

    // CSS3 Getter Methods
#if ENABLE(XBL)
    BindingURI* bindingURIs() const { return rareNonInheritedData->bindingURI; }
#endif

    int outlineOffset() const
    {
        if (background->m_outline.style() == BNONE)
            return 0;
        return background->m_outline._offset;
    }

    ShadowData* textShadow() const { return rareInheritedData->textShadow; }
    const Color& textStrokeColor() const { return rareInheritedData->textStrokeColor; }
    float textStrokeWidth() const { return rareInheritedData->textStrokeWidth; }
    const Color& textFillColor() const { return rareInheritedData->textFillColor; }
    float opacity() const { return rareNonInheritedData->opacity; }
    ControlPart appearance() const { return static_cast<ControlPart>(rareNonInheritedData->m_appearance); }
    EBoxAlignment boxAlign() const { return static_cast<EBoxAlignment>(rareNonInheritedData->flexibleBox->align); }
    EBoxDirection boxDirection() const { return static_cast<EBoxDirection>(inherited_flags._box_direction); }
    float boxFlex() { return rareNonInheritedData->flexibleBox->flex; }
    unsigned int boxFlexGroup() const { return rareNonInheritedData->flexibleBox->flex_group; }
    EBoxLines boxLines() { return static_cast<EBoxLines>(rareNonInheritedData->flexibleBox->lines); }
    unsigned int boxOrdinalGroup() const { return rareNonInheritedData->flexibleBox->ordinal_group; }
    EBoxOrient boxOrient() const { return static_cast<EBoxOrient>(rareNonInheritedData->flexibleBox->orient); }
    EBoxAlignment boxPack() const { return static_cast<EBoxAlignment>(rareNonInheritedData->flexibleBox->pack); }
    ShadowData* boxShadow() const { return rareNonInheritedData->m_boxShadow.get(); }
    StyleReflection* boxReflect() const { return rareNonInheritedData->m_boxReflect.get(); }
    EBoxSizing boxSizing() const { return static_cast<EBoxSizing>(box->boxSizing); }
    Length marqueeIncrement() const { return rareNonInheritedData->marquee->increment; }
    int marqueeSpeed() const { return rareNonInheritedData->marquee->speed; }
    int marqueeLoopCount() const { return rareNonInheritedData->marquee->loops; }
    EMarqueeBehavior marqueeBehavior() const { return static_cast<EMarqueeBehavior>(rareNonInheritedData->marquee->behavior); }
    EMarqueeDirection marqueeDirection() const { return static_cast<EMarqueeDirection>(rareNonInheritedData->marquee->direction); }
    EUserModify userModify() const { return static_cast<EUserModify>(rareInheritedData->userModify); }
    EUserDrag userDrag() const { return static_cast<EUserDrag>(rareNonInheritedData->userDrag); }
    EUserSelect userSelect() const { return static_cast<EUserSelect>(rareInheritedData->userSelect); }
    bool textOverflow() const { return rareNonInheritedData->textOverflow; }
    EMarginCollapse marginTopCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginTopCollapse); }
    EMarginCollapse marginBottomCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginBottomCollapse); }
    EWordBreak wordBreak() const { return static_cast<EWordBreak>(rareInheritedData->wordBreak); }
    EWordWrap wordWrap() const { return static_cast<EWordWrap>(rareInheritedData->wordWrap); }
    ENBSPMode nbspMode() const { return static_cast<ENBSPMode>(rareInheritedData->nbspMode); }
    EKHTMLLineBreak khtmlLineBreak() const { return static_cast<EKHTMLLineBreak>(rareInheritedData->khtmlLineBreak); }
    EMatchNearestMailBlockquoteColor matchNearestMailBlockquoteColor() const { return static_cast<EMatchNearestMailBlockquoteColor>(rareNonInheritedData->matchNearestMailBlockquoteColor); }
    const AtomicString& highlight() const { return rareInheritedData->highlight; }
    EBorderFit borderFit() const { return static_cast<EBorderFit>(rareNonInheritedData->m_borderFit); }
    EResize resize() const { return static_cast<EResize>(rareInheritedData->resize); }
    float columnWidth() const { return rareNonInheritedData->m_multiCol->m_width; }
    bool hasAutoColumnWidth() const { return rareNonInheritedData->m_multiCol->m_autoWidth; }
    unsigned short columnCount() const { return rareNonInheritedData->m_multiCol->m_count; }
    bool hasAutoColumnCount() const { return rareNonInheritedData->m_multiCol->m_autoCount; }
    float columnGap() const { return rareNonInheritedData->m_multiCol->m_gap; }
    bool hasNormalColumnGap() const { return rareNonInheritedData->m_multiCol->m_normalGap; }
    const Color& columnRuleColor() const { return rareNonInheritedData->m_multiCol->m_rule.color; }
    EBorderStyle columnRuleStyle() const { return rareNonInheritedData->m_multiCol->m_rule.style(); }
    unsigned short columnRuleWidth() const { return rareNonInheritedData->m_multiCol->ruleWidth(); }
    bool columnRuleIsTransparent() const { return rareNonInheritedData->m_multiCol->m_rule.isTransparent(); }
    EPageBreak columnBreakBefore() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakBefore); }
    EPageBreak columnBreakInside() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakInside); }
    EPageBreak columnBreakAfter() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakAfter); }
    const TransformOperations& transform() const { return rareNonInheritedData->m_transform->m_operations; }
    Length transformOriginX() const { return rareNonInheritedData->m_transform->m_x; }
    Length transformOriginY() const { return rareNonInheritedData->m_transform->m_y; }
    float transformOriginZ() const { return rareNonInheritedData->m_transform->m_z; }
    bool hasTransform() const { return !rareNonInheritedData->m_transform->m_operations.operations().isEmpty(); }
    
    // Return true if any transform related property (currently transform, transformStyle3D or perspective) 
    // indicates that we are transforming
    bool hasTransformRelatedProperty() const
    {
        return hasTransform() || rareNonInheritedData->m_transformStyle3D == TransformStyle3DPreserve3D || rareNonInheritedData->m_perspective > 0;
    }

    enum ApplyTransformOrigin { IncludeTransformOrigin, ExcludeTransformOrigin };
    void applyTransform(TransformationMatrix&, const IntSize& borderBoxSize, ApplyTransformOrigin = IncludeTransformOrigin) const;

    bool hasMask() const { return rareNonInheritedData->m_mask.hasImage() || rareNonInheritedData->m_maskBoxImage.hasImage(); }
    // End CSS3 Getters

    // Apple-specific property getter methods
    EPointerEvents pointerEvents() const { return static_cast<EPointerEvents>(inherited_flags._pointerEvents); }
    const AnimationList* animations() const { return rareNonInheritedData->m_animations.get(); }
    const AnimationList* transitions() const { return rareNonInheritedData->m_transitions.get(); }

    AnimationList* accessAnimations();
    AnimationList* accessTransitions();

    bool hasAnimations() const { return rareNonInheritedData->m_animations && rareNonInheritedData->m_animations->size() > 0; }
    bool hasTransitions() const { return rareNonInheritedData->m_transitions && rareNonInheritedData->m_transitions->size() > 0; }

    // return the first found Animation (including 'all' transitions)
    const Animation* transitionForProperty(int property) const;

    ETransformStyle3D transformStyle3D() const { return rareNonInheritedData->m_transformStyle3D; }
    bool preserves3D() const { return rareNonInheritedData->m_transformStyle3D == TransformStyle3DPreserve3D; }

    EBackfaceVisibility backfaceVisibility() const { return rareNonInheritedData->m_backfaceVisibility; }
    float perspective() const { return rareNonInheritedData->m_perspective; }
    bool hasPerspective() const { return rareNonInheritedData->m_perspective > 0; }
    Length perspectiveOriginX() const { return rareNonInheritedData->m_perspectiveOriginX; }
    Length perspectiveOriginY() const { return rareNonInheritedData->m_perspectiveOriginY; }
    
#if USE(ACCELERATED_COMPOSITING)
    // When set, this ensures that styles compare as different. Used during accelerated animations.
    bool isRunningAcceleratedAnimation() const { return rareNonInheritedData->m_runningAcceleratedAnimation; }
#endif

    int lineClamp() const { return rareNonInheritedData->lineClamp; }
    bool textSizeAdjust() const { return rareInheritedData->textSizeAdjust; }
    ETextSecurity textSecurity() const { return static_cast<ETextSecurity>(rareInheritedData->textSecurity); }

// attribute setter methods

    void setDisplay(EDisplay v) { noninherited_flags._effectiveDisplay = v; }
    void setOriginalDisplay(EDisplay v) { noninherited_flags._originalDisplay = v; }
    void setPosition(EPosition v) { noninherited_flags._position = v; }
    void setFloating(EFloat v) { noninherited_flags._floating = v; }

    void setLeft(Length v) { SET_VAR(surround, offset.m_left, v) }
    void setRight(Length v) { SET_VAR(surround, offset.m_right, v) }
    void setTop(Length v) { SET_VAR(surround, offset.m_top, v) }
    void setBottom(Length v) { SET_VAR(surround, offset.m_bottom, v) }

    void setWidth(Length v) { SET_VAR(box, width, v) }
    void setHeight(Length v) { SET_VAR(box, height, v) }

    void setMinWidth(Length v) { SET_VAR(box, min_width, v) }
    void setMaxWidth(Length v) { SET_VAR(box, max_width, v) }
    void setMinHeight(Length v) { SET_VAR(box, min_height, v) }
    void setMaxHeight(Length v) { SET_VAR(box, max_height, v) }