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();
}
PassRefPtr<Node> Text::cloneNode(bool /*deep*/)
{
return cloneWithData(data());
}