static bool planCounter(RenderElement* object, const AtomicString& identifier, bool& isReset, int& value)
{
ASSERT(object);
// We must have a generating node or else we cannot have a counter.
Element* generatingElement = object->generatingElement();
if (!generatingElement)
return false;
RenderStyle* style = object->style();
ASSERT(style);
switch (style->styleType()) {
case NOPSEUDO:
// Sometimes elements have more then one renderer. Only the first one gets the counter
// LayoutTests/http/tests/css/counter-crash.html
if (generatingElement->renderer() != object)
return false;
break;
case BEFORE:
case AFTER:
break;
default:
return false; // Counters are forbidden from all other pseudo elements.
}
const CounterDirectives directives = style->getCounterDirectives(identifier);
if (directives.isDefined()) {
value = directives.combinedValue();
isReset = directives.isReset();
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 (Element* e = object->element()) {
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;
}
static bool planCounter(RenderObject& object, const AtomicString& identifier, bool& isReset, int& value)
{
// 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.
}
const CounterDirectives directives = style->getCounterDirectives(identifier);
if (directives.isDefined()) {
value = directives.combinedValue();
isReset = directives.isReset();
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 (isHTMLOListElement(*e)) {
value = toHTMLOListElement(e)->start();
isReset = true;
return true;
}
if (isHTMLUListElement(*e) || isHTMLMenuElement(*e) || isHTMLDirectoryElement(*e)) {
value = 0;
isReset = true;
return true;
}
}
}
return false;
}