Ejemplo n.º 1
0
PassRefPtr<Text> Text::splitText(unsigned offset, ExceptionState& exceptionState)
{
    // IndexSizeError: Raised if the specified offset is negative or greater than
    // the number of 16-bit units in data.
    if (offset > length()) {
        exceptionState.ThrowDOMException(IndexSizeError, "The offset " + String::number(offset) + " is larger than the Text node's length.");
        return nullptr;
    }

    String oldStr = data();
    RefPtr<Text> newText = cloneWithData(oldStr.substring(offset));
    setDataWithoutUpdate(oldStr.substring(0, offset));

    didModifyData(oldStr);

    if (parentNode())
        parentNode()->insertBefore(newText.get(), nextSibling(), exceptionState);
    if (exceptionState.had_exception())
        return nullptr;

    if (renderer())
        renderer()->setTextWithOffset(dataImpl(), 0, oldStr.length());

    if (parentNode())
        document().didSplitTextNode(*this);

    return newText.release();
}
PassRefPtr<Text> Text::splitText(unsigned offset, ExceptionState& es)
{
    // IndexSizeError: Raised if the specified offset is negative or greater than
    // the number of 16-bit units in data.
    if (offset > length()) {
        es.throwDOMException(IndexSizeError);
        return 0;
    }

    EventQueueScope scope;
    String oldStr = data();
    RefPtr<Text> newText = cloneWithData(oldStr.substring(offset));
    setDataWithoutUpdate(oldStr.substring(0, offset));

    didModifyData(oldStr);

    if (parentNode())
        parentNode()->insertBefore(newText.get(), nextSibling(), es);
    if (es.hadException())
        return 0;

    if (parentNode())
        document()->textNodeSplit(this);

    if (renderer())
        toRenderText(renderer())->setTextWithOffset(dataImpl(), 0, oldStr.length());

    return newText.release();
}
Ejemplo n.º 3
0
PassRefPtr<Node> Text::cloneNode(bool /*deep*/)
{
    return cloneWithData(data());
}