/*!
* \param[in] type Type of selection element to allocate.
* \returns Pointer to the newly allocated and initialized element.
*
* \c t_selelem::type is set to \p type,
* \c t_selelem::v::type is set to \ref GROUP_VALUE for boolean and comparison
* expressions and \ref NO_VALUE for others,
* \ref SEL_ALLOCVAL is set for non-root elements (\ref SEL_ALLOCDATA is also
* set for \ref SEL_BOOLEAN elements),
* and \c t_selelem::refcount is set to one.
* All the pointers are set to NULL.
*/
t_selelem *
_gmx_selelem_create(e_selelem_t type)
{
t_selelem *sel;
snew(sel, 1);
sel->name = NULL;
sel->type = type;
sel->flags = (type != SEL_ROOT) ? SEL_ALLOCVAL : 0;
if (type == SEL_BOOLEAN)
{
sel->v.type = GROUP_VALUE;
sel->flags |= SEL_ALLOCDATA;
}
else
{
sel->v.type = NO_VALUE;
}
_gmx_selvalue_clear(&sel->v);
sel->evaluate = NULL;
sel->mempool = NULL;
sel->child = NULL;
sel->next = NULL;
sel->refcount = 1;
return sel;
}
SelectionTreeElement::SelectionTreeElement(e_selelem_t type,
const SelectionLocation &location)
: location_(location)
{
this->type = type;
this->flags = (type != SEL_ROOT) ? SEL_ALLOCVAL : 0;
if (type == SEL_BOOLEAN)
{
this->v.type = GROUP_VALUE;
this->flags |= SEL_ALLOCDATA;
}
else
{
this->v.type = NO_VALUE;
}
_gmx_selvalue_clear(&this->v);
std::memset(&this->u, 0, sizeof(this->u));
this->evaluate = NULL;
this->mempool = NULL;
this->cdata = NULL;
}
