Пример #1
0
static bool planCounter(RenderObject* object, const AtomicString& identifier, bool& isReset, int& value)
{
    ASSERT(object);

    // Real text nodes don't have their own style so they can't have counters.
    // We can't even look at their styles or we'll see extra resets and increments!
    if (object->isText() && !object->isBR())
        return false;

    RenderStyle* style = object->style();
    ASSERT(style);

    if (const CounterDirectiveMap* directivesMap = style->counterDirectives()) {
        CounterDirectives directives = directivesMap->get(identifier.impl());
        if (directives.m_reset) {
            value = directives.m_resetValue;
            if (directives.m_increment)
                value += directives.m_incrementValue;
            isReset = true;
            return true;
        }
        if (directives.m_increment) {
            value = directives.m_incrementValue;
            isReset = false;
            return true;
        }
    }

    if (identifier == "list-item") {
        if (object->isListItem()) {
            if (toRenderListItem(object)->hasExplicitValue()) {
                value = toRenderListItem(object)->explicitValue();
                isReset = true;
                return true;
            }
            value = 1;
            isReset = false;
            return true;
        }
        if (Node* e = object->node()) {
            if (e->hasTagName(olTag)) {
                value = static_cast<HTMLOListElement*>(e)->start();
                isReset = true;
                return true;
            }
            if (e->hasTagName(ulTag) || e->hasTagName(menuTag) || e->hasTagName(dirTag)) {
                value = 0;
                isReset = true;
                return true;
            }
        }
    }

    return false;
}
Пример #2
0
static bool planCounter(RenderObject* object, const AtomicString& identifier, bool& isReset, int& value)
{
    ASSERT(object);

    // Real text nodes don't have their own style so they can't have counters.
    // We can't even look at their styles or we'll see extra resets and increments!
    if (object->isText() && !object->isBR())
        return false;
    Node* generatingNode = object->generatingNode();
    // We must have a generating node or else we cannot have a counter.
    if (!generatingNode)
        return false;
    RenderStyle* style = object->style();
    ASSERT(style);

    switch (style->styleType()) {
    case NOPSEUDO:
        // Sometimes nodes have more then one renderer. Only the first one gets the counter
        // LayoutTests/http/tests/css/counter-crash.html
        if (generatingNode->renderer() != object)
            return false;
        break;
    case BEFORE:
    case AFTER:
        break;
    default:
        return false; // Counters are forbidden from all other pseudo elements.
    }

    if (const CounterDirectiveMap* directivesMap = style->counterDirectives()) {
        CounterDirectives directives = directivesMap->get(identifier.impl());
        if (directives.m_reset) {
            value = directives.m_resetValue;
            if (directives.m_increment)
                value += directives.m_incrementValue;
            isReset = true;
            return true;
        }
        if (directives.m_increment) {
            value = directives.m_incrementValue;
            isReset = false;
            return true;
        }
    }

    if (identifier == "list-item") {
        if (object->isListItem()) {
            if (toRenderListItem(object)->hasExplicitValue()) {
                value = toRenderListItem(object)->explicitValue();
                isReset = true;
                return true;
            }
            value = 1;
            isReset = false;
            return true;
        }
        if (Node* e = object->node()) {
            if (e->hasTagName(olTag)) {
                value = static_cast<HTMLOListElement*>(e)->start();
                isReset = true;
                return true;
            }
            if (e->hasTagName(ulTag) || e->hasTagName(menuTag) || e->hasTagName(dirTag)) {
                value = 0;
                isReset = true;
                return true;
            }
        }
    }

    return false;
}