void RenderStyle::setContent(DOMStringImpl* s, bool add)
{
if (!s)
return; // The string is null. Nothing to do. Just bail.
ContentData* lastContent = content;
while (lastContent && lastContent->_nextContent)
lastContent = lastContent->_nextContent;
bool reuseContent = !add;
if (add) {
if (!lastContent)
return; // Something's wrong. We had no previous content, and we should have.
if (lastContent->_contentType == CONTENT_TEXT) {
// We can augment the existing string and share this ContentData node.
DOMStringImpl* oldStr = lastContent->_content.text;
DOMStringImpl* newStr = oldStr->copy();
newStr->ref();
oldStr->deref();
newStr->append(s);
lastContent->_content.text = newStr;
return;
}
}
ContentData* newContentData = 0;
if (reuseContent && content) {
content->clearContent();
newContentData = content;
}
else
newContentData = new ContentData;
if (lastContent && !reuseContent)
lastContent->_nextContent = newContentData;
else
content = newContentData;
newContentData->_content.text = s;
newContentData->_content.text->ref();
newContentData->_contentType = CONTENT_TEXT;
}
void RenderStyle::addContent(DOM::DOMStringImpl *s)
{
if(!s)
return; // The string is null. Nothing to do. Just bail.
StyleGeneratedData *t_generated = generated.access();
ContentData *lastContent = t_generated->content;
while(lastContent && lastContent->_nextContent)
lastContent = lastContent->_nextContent;
if(lastContent)
{
if(lastContent->_contentType == CONTENT_TEXT)
{
// We can augment the existing string and share this ContentData node.
DOMStringImpl *oldStr = lastContent->_content.text;
DOMStringImpl *newStr = oldStr->copy();
newStr->ref();
oldStr->deref();
newStr->append(s);
lastContent->_content.text = newStr;
return;
}
}
ContentData *newContentData = new ContentData;
if(lastContent)
lastContent->_nextContent = newContentData;
else
t_generated->content = newContentData;
newContentData->_content.text = s;
newContentData->_content.text->ref();
newContentData->_contentType = CONTENT_TEXT;
}