void CharacterData::replaceData(unsigned offset, unsigned count, const String& arg, ExceptionCode& ec)
{
checkCharDataOperation(offset, ec);
if (ec)
return;
unsigned realCount;
if (offset + count > length())
realCount = length() - offset;
else
realCount = count;
String newStr = m_data;
newStr.remove(offset, realCount);
newStr.insert(arg, offset);
RefPtr<StringImpl> oldStr = m_data;
m_data = newStr.impl();
if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
detach();
attach();
} else if (renderer())
static_cast<RenderText*>(renderer())->setTextWithOffset(m_data, offset, count);
dispatchModifiedEvent(oldStr.get());
// update the markers for spell checking and grammar checking
document()->textRemoved(this, offset, realCount);
document()->textInserted(this, offset, arg.length());
}
void CharacterData::updateRenderer(unsigned offsetOfReplacedData, unsigned lengthOfReplacedData)
{
if ((!renderer() || !rendererIsNeeded(NodeRenderingContext(this, renderer()->style()))) && attached())
reattach();
else if (renderer())
toRenderText(renderer())->setTextWithOffset(m_data.impl(), offsetOfReplacedData, lengthOfReplacedData);
}
void CharacterData::deleteData(unsigned offset, unsigned count, ExceptionCode& ec)
{
checkCharDataOperation(offset, ec);
if (ec)
return;
unsigned realCount;
if (offset + count > length())
realCount = length() - offset;
else
realCount = count;
String newStr = m_data;
newStr.remove(offset, realCount);
RefPtr<StringImpl> oldStr = m_data;
m_data = newStr.impl();
if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
detach();
attach();
} else if (renderer())
static_cast<RenderText*>(renderer())->setTextWithOffset(m_data, offset, count);
dispatchModifiedEvent(oldStr.get());
document()->textRemoved(this, offset, realCount);
}
void CharacterData::updateRenderer(unsigned offsetOfReplacedData, unsigned lengthOfReplacedData)
{
if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
detach();
attach();
} else if (renderer())
toRenderText(renderer())->setTextWithOffset(m_data, offsetOfReplacedData, lengthOfReplacedData);
}
void CharacterData::appendData(const String& arg, ExceptionCode&)
{
String newStr = m_data;
newStr.append(arg);
RefPtr<StringImpl> oldStr = m_data;
m_data = newStr.impl();
if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
detach();
attach();
} else if (renderer())
static_cast<RenderText*>(renderer())->setTextWithOffset(m_data, oldStr->length(), 0);
dispatchModifiedEvent(oldStr.get());
}
void CharacterData::setData(const String& data, ExceptionCode&)
{
StringImpl* dataImpl = data.impl() ? data.impl() : StringImpl::empty();
if (equal(m_data.get(), dataImpl))
return;
int oldLength = length();
RefPtr<StringImpl> oldStr = m_data;
m_data = dataImpl;
if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
detach();
attach();
} else if (renderer())
static_cast<RenderText*>(renderer())->setText(m_data);
dispatchModifiedEvent(oldStr.get());
document()->textRemoved(this, 0, oldLength);
}
void CharacterData::insertData(unsigned offset, const String& arg, ExceptionCode& ec)
{
checkCharDataOperation(offset, ec);
if (ec)
return;
String newStr = m_data;
newStr.insert(arg, offset);
RefPtr<StringImpl> oldStr = m_data;
m_data = newStr.impl();
if ((!renderer() || !rendererIsNeeded(renderer()->style())) && attached()) {
detach();
attach();
} else if (renderer())
static_cast<RenderText*>(renderer())->setTextWithOffset(m_data, offset, 0);
dispatchModifiedEvent(oldStr.get());
document()->textInserted(this, offset, arg.length());
}
