/**
*Destroys the selector list.
*@param a_this the current instance of #CRSelector.
*/
void
cr_selector_destroy (CRSelector * a_this)
{
CRSelector *cur = NULL;
g_return_if_fail (a_this);
/*
*go and get the list tail. In the same time, free
*all the simple selectors contained in the list.
*/
for (cur = a_this; cur && cur->next; cur = cur->next) {
if (cur->simple_sel) {
cr_simple_sel_destroy (cur->simple_sel);
cur->simple_sel = NULL;
}
}
if (cur) {
if (cur->simple_sel) {
cr_simple_sel_destroy (cur->simple_sel);
cur->simple_sel = NULL;
}
}
/*in case the list has only one element */
if (cur && !cur->prev) {
g_free (cur);
return;
}
/*walk backward the list and free each "next element" */
for (cur = cur->prev; cur && cur->prev; cur = cur->prev) {
if (cur->next) {
g_free (cur->next);
cur->next = NULL;
}
}
if (!cur)
return;
if (cur->next) {
g_free (cur->next);
cur->next = NULL;
}
g_free (cur);
}
/**
* cr_simple_sel_destroy:
*
*@a_this: the this pointer of the current instance of #CRSimpleSel.
*
*The destructor of the current instance of
*#CRSimpleSel. Recursively calls the destructor of #CRSimpleSel->next
*/
void
cr_simple_sel_destroy (CRSimpleSel * const a_this)
{
g_return_if_fail (a_this);
if (a_this->name) {
cr_string_destroy (a_this->name);
a_this->name = NULL;
}
if (a_this->add_sel) {
cr_additional_sel_destroy (a_this->add_sel);
a_this->add_sel = NULL;
}
if (a_this->next) {
cr_simple_sel_destroy (a_this->next);
a_this->next = NULL;
}
g_free (a_this);
}