void RenderStyle::setContent(CounterContent* c, bool add)
{
if (!c)
return;
OwnPtr<ContentData>& content = rareNonInheritedData.access()->m_content;
ContentData* lastContent = content.get();
while (lastContent && lastContent->next())
lastContent = lastContent->next();
bool reuseContent = !add;
ContentData* newContentData = 0;
if (reuseContent && content) {
content->clear();
newContentData = content.release();
} else
newContentData = new ContentData;
if (lastContent && !reuseContent)
lastContent->setNext(newContentData);
else
content.set(newContentData);
newContentData->setCounter(c);
}
ContentData* RenderStyle::prepareToSetContent(StringImpl* string, bool add)
{
OwnPtr<ContentData>& content = rareNonInheritedData.access()->m_content;
ContentData* lastContent = content.get();
while (lastContent && lastContent->next())
lastContent = lastContent->next();
if (string && add && lastContent && lastContent->isText()) {
// Augment the existing string and share the existing ContentData node.
String newText = lastContent->text();
newText.append(string);
lastContent->setText(newText.impl());
return 0;
}
bool reuseContent = !add;
OwnPtr<ContentData> newContentData;
if (reuseContent && content) {
content->clear();
newContentData = content.release();
} else
newContentData = adoptPtr(new ContentData);
ContentData* result = newContentData.get();
if (lastContent && !reuseContent)
lastContent->setNext(newContentData.release());
else
content = newContentData.release();
return result;
}
void RenderStyle::setContent(PassRefPtr<StringImpl> s, bool add)
{
if (!s)
return; // The string is null. Nothing to do. Just bail.
OwnPtr<ContentData>& content = rareNonInheritedData.access()->m_content;
ContentData* lastContent = content.get();
while (lastContent && lastContent->next())
lastContent = lastContent->next();
bool reuseContent = !add;
if (add && lastContent) {
if (lastContent->isText()) {
// We can augment the existing string and share this ContentData node.
String newStr = lastContent->text();
newStr.append(s.get());
lastContent->setText(newStr.impl());
return;
}
}
ContentData* newContentData = 0;
if (reuseContent && content) {
content->clear();
newContentData = content.release();
} else
newContentData = new ContentData;
if (lastContent && !reuseContent)
lastContent->setNext(newContentData);
else
content.set(newContentData);
newContentData->setText(s);
}
void RenderStyle::setContent(PassRefPtr<StyleImage> image, bool add)
{
if (!image)
return; // The object is null. Nothing to do. Just bail.
OwnPtr<ContentData>& content = rareNonInheritedData.access()->m_content;
ContentData* lastContent = content.get();
while (lastContent && lastContent->next())
lastContent = lastContent->next();
bool reuseContent = !add;
ContentData* newContentData;
if (reuseContent && content) {
content->clear();
newContentData = content.release();
} else
newContentData = new ContentData;
if (lastContent && !reuseContent)
lastContent->setNext(newContentData);
else
content.set(newContentData);
newContentData->setImage(image);
}
PassOwnPtr<ContentData> ContentData::clone() const
{
OwnPtr<ContentData> result = cloneInternal();
ContentData* lastNewData = result.get();
for (const ContentData* contentData = next(); contentData; contentData = contentData->next()) {
OwnPtr<ContentData> newData = contentData->cloneInternal();
lastNewData->setNext(newData.release());
lastNewData = lastNewData->next();
}
return result.release();
}
std::unique_ptr<ContentData> ContentData::clone() const
{
auto result = cloneInternal();
ContentData* lastNewData = result.get();
for (const ContentData* contentData = next(); contentData; contentData = contentData->next()) {
auto newData = contentData->cloneInternal();
lastNewData->setNext(std::move(newData));
lastNewData = lastNewData->next();
}
return result;
}
ContentData* ContentData::clone() const {
ContentData* result = cloneInternal();
ContentData* lastNewData = result;
for (const ContentData* contentData = next(); contentData;
contentData = contentData->next()) {
ContentData* newData = contentData->cloneInternal();
lastNewData->setNext(newData);
lastNewData = lastNewData->next();
}
return result;
}