void DomCharacterData::insert_data(unsigned long offset, const DomString &arg)
{
if (impl)
{
DomString value = impl->get_tree_node()->get_node_value();
if (offset > value.length())
offset = value.length();
impl->get_tree_node()->node_value = value.substr(0, offset) + arg + value.substr(offset);
}
}
void DomCharacterData::delete_data(unsigned long offset, unsigned long count)
{
if (impl)
{
DomString value = impl->get_tree_node()->get_node_value();
if (offset > value.length())
offset = value.length();
if (offset + count > value.length())
count = value.length() - offset;
if (count == 0)
return;
if (count < value.length())
{
value = value.substr(0, offset) + value.substr(offset + count);
}
else
{
value = DomString();
}
impl->get_tree_node()->node_value = value;
}
}