/**
* Calculate distance between two iterators.
*/
int _slist_iterator_distance(slist_iterator_t it_first, slist_iterator_t it_second)
{
int n_distance = 0;
_slistnode_t* pt_node = NULL;
assert(_iterator_same_type(it_first, it_second));
assert(_SLIST_ITERATOR_CONTAINER(it_first) == _SLIST_ITERATOR_CONTAINER(it_second));
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_first), it_first));
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_second), it_second));
if (_slist_iterator_before(it_first, it_second)) {
for (pt_node = (_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_first);
pt_node != (_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_second);
pt_node = pt_node->_pt_next) {
n_distance++;
}
return n_distance;
} else if (_slist_iterator_before(it_second, it_first)) {
for (pt_node = (_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_second);
pt_node != (_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_first);
pt_node = pt_node->_pt_next) {
n_distance++;
}
return -n_distance;
} else {
return 0;
}
}
/**
* Transfer the range [it_begin, it_end) to position it_pos.
*/
void _slist_transfer(slist_iterator_t it_pos, slist_iterator_t it_begin, slist_iterator_t it_end)
{
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_pos), it_pos));
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_begin), it_begin));
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_end), it_end));
assert(_SLIST_ITERATOR_CONTAINER(it_begin) == _SLIST_ITERATOR_CONTAINER(it_end));
assert(iterator_equal(it_begin, it_end) || _slist_iterator_before(it_begin, it_end));
assert(_slist_same_slist_iterator_type(_SLIST_ITERATOR_CONTAINER(it_pos), it_begin));
/* empty range */
if(iterator_equal(it_begin, it_end))
{
return;
}
/* same slist container */
if(_SLIST_ITERATOR_CONTAINER(it_pos) == _SLIST_ITERATOR_CONTAINER(it_begin))
{
assert(iterator_equal(it_pos, it_begin) || iterator_equal(it_pos, it_end) ||
_slist_iterator_before(it_pos, it_begin) || _slist_iterator_before(it_end, it_pos));
if(iterator_equal(it_pos, it_begin) || iterator_equal(it_pos, it_end))
{
return;
}
}
slist_insert_range(_SLIST_ITERATOR_CONTAINER(it_pos), it_pos, it_begin, it_end);
slist_erase_range(_SLIST_ITERATOR_CONTAINER(it_begin), it_begin, it_end);
}
/**
* Test the two slist iterator are equal.
*/
bool_t _slist_iterator_equal(slist_iterator_t it_first, slist_iterator_t it_second)
{
assert(_iterator_same_type(it_first, it_second));
assert(_SLIST_ITERATOR_CONTAINER(it_first) == _SLIST_ITERATOR_CONTAINER(it_second));
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_first), it_first));
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_second), it_second));
return _SLIST_ITERATOR_COREPOS(it_first) == _SLIST_ITERATOR_COREPOS(it_second) ? true : false;
}
/**
* Insert multiple copys of element befor specificed position.
*/
void _slist_insert_n(slist_t* pslist_slist, slist_iterator_t it_pos, size_t t_count, ...)
{
va_list val_elemlist;
/* test the slist pointer and pos is valid */
assert(pslist_slist != NULL);
assert(_slist_is_inited(pslist_slist));
assert(_slist_iterator_belong_to_slist(pslist_slist, it_pos));
/* if the pos is slist begin */
va_start(val_elemlist, t_count);
if (iterator_equal(it_pos, slist_begin(pslist_slist))) {
size_t i = 0;
/* call slist push front t_count times */
for (i = 0; i < t_count; ++i) {
va_list val_elemlist_copy;
va_copy(val_elemlist_copy, val_elemlist);
_slist_push_front_varg(pslist_slist, val_elemlist_copy);
va_end(val_elemlist_copy);
}
} else {
_slist_insert_after_n_varg(pslist_slist, slist_previous(pslist_slist, it_pos), t_count, val_elemlist);
}
va_end(val_elemlist);
}
/**
* Get data value pointer referenced by iterator, but ignore char*.
*/
const void* _slist_iterator_get_pointer_ignore_cstr(slist_iterator_t it_iter)
{
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_iter), it_iter));
assert(!iterator_equal(it_iter, slist_end(_SLIST_ITERATOR_CONTAINER(it_iter))));
return ((_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_iter))->_pby_data;
}
/**
* Return iterator reference next element.
*/
slist_iterator_t _slist_iterator_next(slist_iterator_t it_iter)
{
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_iter), it_iter));
assert(!iterator_equal(it_iter, slist_end(_SLIST_ITERATOR_CONTAINER(it_iter))));
_SLIST_ITERATOR_COREPOS(it_iter) = (_byte_t*)(((_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_iter))->_pt_next);
return it_iter;
}
/**
* Test the first iterator is before the second.
*/
bool_t _slist_iterator_before(slist_iterator_t it_first, slist_iterator_t it_second)
{
_slistnode_t* pt_node = NULL;
assert(_iterator_same_type(it_first, it_second));
assert(_SLIST_ITERATOR_CONTAINER(it_first) == _SLIST_ITERATOR_CONTAINER(it_second));
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_first), it_first));
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_second), it_second));
if (_SLIST_ITERATOR_COREPOS(it_first) == _SLIST_ITERATOR_COREPOS(it_second)) {
return false;
}
for (pt_node = (_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_first); pt_node != NULL; pt_node = pt_node->_pt_next) {
if (pt_node == (_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_second)) {
return true;
}
}
return _SLIST_ITERATOR_COREPOS(it_second) == NULL ? true : false;
}
/**
* Get data value pointer referenced by iterator.
*/
const void* _slist_iterator_get_pointer(slist_iterator_t it_iter)
{
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_iter), it_iter));
assert(!iterator_equal(it_iter, slist_end(_SLIST_ITERATOR_CONTAINER(it_iter))));
/* char* */
if (strncmp(_GET_SLIST_TYPE_BASENAME(_SLIST_ITERATOR_CONTAINER(it_iter)), _C_STRING_TYPE, _TYPE_NAME_SIZE) == 0) {
return string_c_str((string_t*)((_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_iter))->_pby_data);
} else {
return ((_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_iter))->_pby_data;
}
}
/**
* Insert multiple copys of element after specificed position.
*/
void _slist_insert_after_n(slist_t* pslist_slist, slist_iterator_t it_pos, size_t t_count, ...)
{
va_list val_elemlist;
assert(pslist_slist != NULL);
assert(_slist_is_inited(pslist_slist));
assert(_slist_iterator_belong_to_slist(pslist_slist, it_pos));
assert(!iterator_equal(it_pos, slist_end(pslist_slist)));
va_start(val_elemlist, t_count);
_slist_insert_after_n_varg(pslist_slist, it_pos, t_count, val_elemlist);
va_end(val_elemlist);
}
/**
* Insert one copy of element after specificed position.
*/
slist_iterator_t _slist_insert_after(slist_t* pslist_slist, slist_iterator_t it_pos, ...)
{
va_list val_elemlist;
assert(pslist_slist != NULL);
assert(_slist_is_inited(pslist_slist));
assert(_slist_iterator_belong_to_slist(pslist_slist, it_pos));
assert(!iterator_equal(it_pos, slist_end(pslist_slist)));
va_start(val_elemlist, it_pos);
_slist_insert_after_n_varg(pslist_slist, it_pos, 1, val_elemlist);
va_end(val_elemlist);
return iterator_next(it_pos);
}
/**
* Set data value referenced by iterator.
*/
void _slist_iterator_set_value(slist_iterator_t it_iter, const void* cpv_value)
{
assert(cpv_value != NULL);
assert(_slist_iterator_belong_to_slist(_SLIST_ITERATOR_CONTAINER(it_iter), it_iter));
assert(!iterator_equal(it_iter, slist_end(_SLIST_ITERATOR_CONTAINER(it_iter))));
/* char* */
if (strncmp(_GET_SLIST_TYPE_BASENAME(_SLIST_ITERATOR_CONTAINER(it_iter)), _C_STRING_TYPE, _TYPE_NAME_SIZE) == 0) {
string_assign_cstr((string_t*)((_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_iter))->_pby_data, (char*)cpv_value);
} else {
bool_t b_result = _GET_SLIST_TYPE_SIZE(_SLIST_ITERATOR_CONTAINER(it_iter));
_GET_SLIST_TYPE_COPY_FUNCTION(_SLIST_ITERATOR_CONTAINER(it_iter))(
((_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_iter))->_pby_data, cpv_value, &b_result);
assert(b_result);
}
}
/**
* Insert one copy of element befor specificed position.
*/
slist_iterator_t _slist_insert(slist_t* pslist_slist, slist_iterator_t it_pos, ...)
{
va_list val_elemlist;
assert(pslist_slist != NULL);
assert(_slist_is_inited(pslist_slist));
assert(_slist_iterator_belong_to_slist(pslist_slist, it_pos));
/* if the pos is slist begin iterator */
va_start(val_elemlist, it_pos);
if (iterator_equal(it_pos, slist_begin(pslist_slist))) {
/* call push front */
_slist_push_front_varg(pslist_slist, val_elemlist);
} else {
/* call insert_after */
_slist_insert_after_n_varg(pslist_slist, slist_previous(pslist_slist, it_pos), 1, val_elemlist);
}
va_end(val_elemlist);
/* return the new element iterator */
return slist_previous(pslist_slist, it_pos);
}
/**
* Insert multiple copys of element after specificed position.
*/
void _slist_insert_after_n_varg(slist_t* pslist_slist, slist_iterator_t it_pos, size_t t_count, va_list val_elemlist)
{
size_t i = 0;
_slistnode_t* pt_node = NULL;
_slistnode_t* pt_varg = NULL;
bool_t b_result = false;
assert(pslist_slist != NULL);
assert(_slist_is_inited(pslist_slist));
assert(_slist_iterator_belong_to_slist(pslist_slist, it_pos));
assert(!iterator_equal(it_pos, slist_end(pslist_slist)));
/* get varg value only once */
pt_varg = _alloc_allocate(&pslist_slist->_t_allocator, _SLIST_NODE_SIZE(_GET_SLIST_TYPE_SIZE(pslist_slist)), 1);
assert(pt_varg != NULL);
_slist_get_varg_value_auxiliary(pslist_slist, val_elemlist, pt_varg);
for (i = 0; i < t_count; ++i) {
/* allocate slist node */
pt_node = _alloc_allocate(&pslist_slist->_t_allocator, _SLIST_NODE_SIZE(_GET_SLIST_TYPE_SIZE(pslist_slist)), 1);
assert(pt_node != NULL);
_slist_init_node_auxiliary(pslist_slist, pt_node);
/* copy value from varg */
b_result = _GET_SLIST_TYPE_SIZE(pslist_slist);
_GET_SLIST_TYPE_COPY_FUNCTION(pslist_slist)(pt_node->_pby_data, pt_varg->_pby_data, &b_result);
assert(b_result);
/* link the node to slist */
pt_node->_pt_next = ((_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_pos))->_pt_next;
((_slistnode_t*)_SLIST_ITERATOR_COREPOS(it_pos))->_pt_next = pt_node;
pt_node = NULL;
}
/* destroy varg value */
_slist_destroy_varg_value_auxiliary(pslist_slist, pt_varg);
_alloc_deallocate(&pslist_slist->_t_allocator, pt_varg, _SLIST_NODE_SIZE(_GET_SLIST_TYPE_SIZE(pslist_slist)), 1);
}
