示例#1
0
String StylePropertySet::fontValue() const
{
    int fontSizePropertyIndex = findPropertyIndex(CSSPropertyFontSize);
    int fontFamilyPropertyIndex = findPropertyIndex(CSSPropertyFontFamily);
    if (fontSizePropertyIndex == -1 || fontFamilyPropertyIndex == -1)
        return emptyString();

    PropertyReference fontSizeProperty = propertyAt(fontSizePropertyIndex);
    PropertyReference fontFamilyProperty = propertyAt(fontFamilyPropertyIndex);
    if (fontSizeProperty.isImplicit() || fontFamilyProperty.isImplicit())
        return emptyString();

    String commonValue = fontSizeProperty.value()->cssText();
    StringBuilder result;
    appendFontLonghandValueIfExplicit(CSSPropertyFontStyle, result, commonValue);
    appendFontLonghandValueIfExplicit(CSSPropertyFontVariant, result, commonValue);
    appendFontLonghandValueIfExplicit(CSSPropertyFontWeight, result, commonValue);
    if (!result.isEmpty())
        result.append(' ');
    result.append(fontSizeProperty.value()->cssText());
    appendFontLonghandValueIfExplicit(CSSPropertyLineHeight, result, commonValue);
    if (!result.isEmpty())
        result.append(' ');
    result.append(fontFamilyProperty.value()->cssText());
    if (isInitialOrInherit(commonValue))
        return commonValue;
    return result.toString();
}
示例#2
0
String StylePropertySet::get4Values(const StylePropertyShorthand& shorthand) const
{
    // Assume the properties are in the usual order top, right, bottom, left.
    int topValueIndex = findPropertyIndex(shorthand.properties()[0]);
    int rightValueIndex = findPropertyIndex(shorthand.properties()[1]);
    int bottomValueIndex = findPropertyIndex(shorthand.properties()[2]);
    int leftValueIndex = findPropertyIndex(shorthand.properties()[3]);

    if (topValueIndex == -1 || rightValueIndex == -1 || bottomValueIndex == -1 || leftValueIndex == -1)
        return String();

    PropertyReference top = propertyAt(topValueIndex);
    PropertyReference right = propertyAt(rightValueIndex);
    PropertyReference bottom = propertyAt(bottomValueIndex);
    PropertyReference left = propertyAt(leftValueIndex);

    // All 4 properties must be specified.
    if (!top.value() || !right.value() || !bottom.value() || !left.value())
        return String();

    if (top.isInherited() && right.isInherited() && bottom.isInherited() && left.isInherited())
        return getValueName(CSSValueInherit);

    if (top.value()->isInitialValue() || right.value()->isInitialValue() || bottom.value()->isInitialValue() || left.value()->isInitialValue()) {
        if (top.value()->isInitialValue() && right.value()->isInitialValue() && bottom.value()->isInitialValue() && left.value()->isInitialValue() && !top.isImplicit()) {
            // All components are "initial" and "top" is not implicit.
            return getValueName(CSSValueInitial);
        }
        return String();
    }
    if (top.isImportant() != right.isImportant() || right.isImportant() != bottom.isImportant() || bottom.isImportant() != left.isImportant())
        return String();

    bool showLeft = !right.value()->equals(*left.value());
    bool showBottom = !top.value()->equals(*bottom.value()) || showLeft;
    bool showRight = !top.value()->equals(*right.value()) || showBottom;

    StringBuilder result;
    result.append(top.value()->cssText());
    if (showRight) {
        result.append(' ');
        result.append(right.value()->cssText());
    }
    if (showBottom) {
        result.append(' ');
        result.append(bottom.value()->cssText());
    }
    if (showLeft) {
        result.append(' ');
        result.append(left.value()->cssText());
    }
    return result.toString();
}