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;
}
예제 #2
0
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;
}