/**
* Initialize data within range [it_begin, it_end) according to deque element data type.
*/
void _deque_init_elem_range_auxiliary(deque_t* pdeq_deque, deque_iterator_t it_begin, deque_iterator_t it_end)
{
deque_iterator_t it_iter;
assert(pdeq_deque != NULL);
assert(_deque_is_inited(pdeq_deque) || _deque_is_created(pdeq_deque));
assert(_deque_iterator_belong_to_deque(_GET_DEQUE_CONTAINER(it_begin), it_begin));
assert(_deque_iterator_belong_to_deque(_GET_DEQUE_CONTAINER(it_end), it_end));
assert(iterator_equal(it_begin, it_end) || _deque_iterator_before(it_begin, it_end));
/* initialize new elements */
if(_GET_DEQUE_TYPE_STYLE(pdeq_deque) == _TYPE_CSTL_BUILTIN)
{
/* get element type name */
char s_elemtypename[_TYPE_NAME_SIZE + 1];
_type_get_elem_typename(_GET_DEQUE_TYPE_NAME(pdeq_deque), s_elemtypename);
for(it_iter = it_begin; !iterator_equal(it_iter, it_end); it_iter = iterator_next(it_iter))
{
_GET_DEQUE_TYPE_INIT_FUNCTION(pdeq_deque)(_deque_iterator_get_pointer_auxiliary(it_iter), s_elemtypename);
}
}
else
{
for(it_iter = it_begin; !iterator_equal(it_iter, it_end); it_iter = iterator_next(it_iter))
{
bool_t t_result = _GET_DEQUE_TYPE_SIZE(pdeq_deque);
_GET_DEQUE_TYPE_INIT_FUNCTION(pdeq_deque)(_deque_iterator_get_pointer_auxiliary(it_iter), &t_result);
assert(t_result);
}
}
}
/**
* Get the pointer that point to the iterator reference data.
*/
const void* _deque_iterator_get_pointer(deque_iterator_t it_iter)
{
assert(_deque_iterator_belong_to_deque(_DEQUE_ITERATOR_CONTAINER(it_iter), it_iter));
assert(!iterator_equal(it_iter, deque_end(_DEQUE_ITERATOR_CONTAINER(it_iter))));
/* char* */
if(strncmp(_GET_DEQUE_TYPE_BASENAME(_DEQUE_ITERATOR_CONTAINER(it_iter)), _C_STRING_TYPE, _TYPE_NAME_SIZE) == 0)
{
return string_c_str((string_t*)_deque_iterator_get_pointer_auxiliary(it_iter));
}
else
{
return _deque_iterator_get_pointer_auxiliary(it_iter);
}
}
/**
* Shrink deque at begin.
*/
void _deque_shrink_at_begin(deque_t* pdeq_deque, size_t t_shrinksize)
{
deque_iterator_t it_oldbegin;
deque_iterator_t it_newbegin;
deque_iterator_t it_iter;
_mappointer_t ppby_map = NULL;
bool_t b_result = false;
assert(pdeq_deque != NULL);
assert(_deque_is_inited(pdeq_deque));
it_oldbegin = deque_begin(pdeq_deque);
t_shrinksize = t_shrinksize < deque_size(pdeq_deque) ? t_shrinksize : deque_size(pdeq_deque);
it_newbegin = iterator_next_n(deque_begin(pdeq_deque), t_shrinksize);
assert(_deque_iterator_belong_to_deque(pdeq_deque, it_newbegin));
/* destroy all elements */
for(it_iter = it_oldbegin; !iterator_equal(it_iter, it_newbegin); it_iter = iterator_next(it_iter))
{
b_result = _GET_DEQUE_TYPE_SIZE(pdeq_deque);
_GET_DEQUE_TYPE_DESTROY_FUNCTION(pdeq_deque)(_deque_iterator_get_pointer_auxiliary(it_iter), &b_result);
assert(b_result);
}
pdeq_deque->_t_start = it_newbegin;
for(ppby_map = _GET_DEQUE_MAP_POINTER(pdeq_deque->_t_start) - 1; ppby_map >= _GET_DEQUE_MAP_POINTER(it_oldbegin); --ppby_map)
{
_alloc_deallocate(&pdeq_deque->_t_allocator, *ppby_map, _GET_DEQUE_TYPE_SIZE(pdeq_deque), _DEQUE_ELEM_COUNT);
*ppby_map = NULL;
}
}
/**
* Set iterator reference data.
*/
void _deque_iterator_set_value(deque_iterator_t it_iter, const void* cpv_value)
{
bool_t b_result = false;
assert(cpv_value != NULL);
assert(_deque_iterator_belong_to_deque(_DEQUE_ITERATOR_CONTAINER(it_iter), it_iter));
assert(!iterator_equal(it_iter, deque_end(_DEQUE_ITERATOR_CONTAINER(it_iter))));
/* char* */
if(strncmp(_GET_DEQUE_TYPE_BASENAME(_DEQUE_ITERATOR_CONTAINER(it_iter)), _C_STRING_TYPE, _TYPE_NAME_SIZE) == 0)
{
string_assign_cstr((string_t*)_deque_iterator_get_pointer_auxiliary(it_iter), (char*)cpv_value);
}
else
{
b_result = _GET_DEQUE_TYPE_SIZE(_DEQUE_ITERATOR_CONTAINER(it_iter));
_GET_DEQUE_TYPE_COPY_FUNCTION(_DEQUE_ITERATOR_CONTAINER(it_iter))(
_deque_iterator_get_pointer_auxiliary(it_iter), cpv_value, &b_result);
assert(b_result);
}
}
/**
* Move element range to deque begin.
*/
deque_iterator_t _deque_move_elem_to_begin(
deque_t* pdeq_deque, deque_iterator_t it_begin, deque_iterator_t it_end, size_t t_step)
{
assert(pdeq_deque != NULL);
assert(_deque_is_inited(pdeq_deque));
assert(_deque_iterator_belong_to_deque(pdeq_deque, it_begin));
assert(_deque_iterator_belong_to_deque(pdeq_deque, it_end));
assert(iterator_equal(it_begin, it_end) || _deque_iterator_before(it_begin, it_end));
if(!iterator_equal(it_begin, it_end) && t_step != 0)
{
deque_iterator_t it_targetbegin;
deque_iterator_t it_targetend;
bool_t b_result = false;
it_targetbegin = it_begin;
it_targetend = it_end;
it_targetbegin = iterator_prev_n(it_targetbegin, t_step);
it_targetend = iterator_prev_n(it_targetend, t_step);
assert(_deque_iterator_before(it_targetbegin, it_targetend));
for(;
iterator_less(it_targetbegin, it_targetend) && iterator_less(it_begin, it_end);
it_targetbegin = iterator_next(it_targetbegin), it_begin = iterator_next(it_begin))
{
b_result = _GET_DEQUE_TYPE_SIZE(pdeq_deque);
_GET_DEQUE_TYPE_COPY_FUNCTION(pdeq_deque)(
_deque_iterator_get_pointer_auxiliary(it_targetbegin),
_deque_iterator_get_pointer_auxiliary(it_begin), &b_result);
assert(b_result);
}
assert(iterator_equal(it_targetbegin, it_targetend) && iterator_equal(it_begin, it_end));
return it_targetend;
}
else
{
return iterator_prev_n(it_end, t_step);
}
}
/**
* Move element range to deque end.
*/
deque_iterator_t _deque_move_elem_to_end(
deque_t* pdeq_deque, deque_iterator_t it_begin, deque_iterator_t it_end, size_t t_step)
{
assert(pdeq_deque != NULL);
assert(_deque_is_inited(pdeq_deque));
assert(_deque_iterator_belong_to_deque(pdeq_deque, it_begin));
assert(_deque_iterator_belong_to_deque(pdeq_deque, it_end));
assert(iterator_equal(it_begin, it_end) || _deque_iterator_before(it_begin, it_end));
/* if it_begin != it_end then do move */
if(!iterator_equal(it_begin, it_end) && t_step != 0)
{
/* the target range of move */
deque_iterator_t it_targetbegin;
deque_iterator_t it_targetend;
bool_t b_result = false;
it_targetbegin = it_begin;
it_targetend = it_end;
it_targetbegin = iterator_next_n(it_targetbegin, t_step);
it_targetend = iterator_next_n(it_targetend, t_step);
assert(_deque_iterator_before(it_targetbegin, it_targetend));
while(!iterator_equal(it_targetbegin, it_targetend) && !iterator_equal(it_begin, it_end))
{
it_targetend = iterator_prev(it_targetend);
it_end = iterator_prev(it_end);
b_result = _GET_DEQUE_TYPE_SIZE(pdeq_deque);
_GET_DEQUE_TYPE_COPY_FUNCTION(pdeq_deque)(
_deque_iterator_get_pointer_auxiliary(it_targetend),
_deque_iterator_get_pointer_auxiliary(it_end), &b_result);
assert(b_result);
}
assert(iterator_equal(it_begin, it_end) && iterator_equal(it_targetbegin, it_targetend));
}
return it_begin;
}
