RefPtr<Text> Text::splitText(unsigned offset, ExceptionCode& ec)
{
ec = 0;
// INDEX_SIZE_ERR: Raised if the specified offset is negative or greater than
// the number of 16-bit units in data.
if (offset > length()) {
ec = INDEX_SIZE_ERR;
return 0;
}
EventQueueScope scope;
String oldStr = data();
Ref<Text> newText = virtualCreate(oldStr.substring(offset));
setDataWithoutUpdate(oldStr.substring(0, offset));
dispatchModifiedEvent(oldStr);
if (parentNode())
parentNode()->insertBefore(newText.ptr(), nextSibling(), ec);
if (ec)
return 0;
if (parentNode())
document().textNodeSplit(this);
if (renderer())
renderer()->setTextWithOffset(data(), 0, oldStr.length());
return WTF::move(newText);
}
PassRefPtr<Text> Text::splitText(unsigned offset, ExceptionCode& ec)
{
ec = 0;
if (this->parent()) {if (!RO_check(this->parent())) return 0;}
// INDEX_SIZE_ERR: Raised if the specified offset is negative or greater than
// the number of 16-bit units in data.
if (offset > length()) {
ec = INDEX_SIZE_ERR;
return 0;
}
RefPtr<StringImpl> oldStr = dataImpl();
RefPtr<Text> newText = virtualCreate(oldStr->substring(offset));
setDataImpl(oldStr->substring(0, offset));
dispatchModifiedEvent(oldStr.get());
if (parentNode())
parentNode()->insertBefore(newText.get(), nextSibling(), ec);
if (ec)
return 0;
if (parentNode())
document()->textNodeSplit(this);
if (renderer())
toRenderText(renderer())->setTextWithOffset(dataImpl(), 0, oldStr->length());
return newText.release();
}
