/**
* Move iterator to next n position.
*/
iterator_t iterator_next_n(iterator_t it_iter, int n_step)
{
assert(_iterator_is_valid(it_iter));
assert(_iterator_limit_type(it_iter, _RANDOM_ACCESS_ITERATOR));
if (n_step == 0) {
return it_iter;
}
switch (it_iter._t_containertype) {
case _VECTOR_CONTAINER:
return _vector_iterator_next_n(it_iter, n_step);
break;
case _DEQUE_CONTAINER:
return _deque_iterator_next_n(it_iter, n_step);
break;
case _BASIC_STRING_CONTAINER:
return _basic_string_iterator_next_n(it_iter, n_step);
break;
default:
assert(false);
return it_iter;
break;
}
}
/**
* Get the iterator that reference next n data.
*/
basic_string_iterator_t _basic_string_iterator_next_n(basic_string_iterator_t it_iter, int n_step)
{
assert(_GET_BASIC_STRING_CONTAINER_TYPE(it_iter) == _BASIC_STRING_CONTAINER);
_GET_VECTOR_CONTAINER_TYPE(it_iter) = _VECTOR_CONTAINER;
it_iter = _vector_iterator_next_n(it_iter, n_step);
_GET_BASIC_STRING_CONTAINER_TYPE(it_iter) = _BASIC_STRING_CONTAINER;
return it_iter;
}
/**
* Access iterator reference data randomly with subscript.
*/
void* _vector_iterator_at(vector_iterator_t it_iter, int n_index)
{
it_iter = _vector_iterator_next_n(it_iter, n_index);
return (void*)_vector_iterator_get_pointer(it_iter);
}
