LIB_EXPORT rc_t CC PlacementSetIteratorNextWindow ( PlacementSetIterator *self,
INSDC_coord_zero *first_pos, INSDC_coord_len *len )
{
rc_t rc = 0;
if ( first_pos != NULL ) {
*first_pos = 0;
}
if ( len != NULL ) {
*len = 0;
}
if ( self == NULL )
return RC( rcAlign, rcIterator, rcReleasing, rcSelf, rcNull );
self->current_entry = NULL; /* what is the current pi-entry, we are handling ? */
if ( self->current_ref == NULL )
{
return SILENT_RC( rcAlign, rcIterator, rcAccessing, rcOffset, rcDone );
}
pl_set_iter_clear_curr_ref_window( self );
/* !!! here we are taking the next window from the top of the list */
self->current_window = ( pi_window * )DLListPopHead ( &(self->current_ref->pi_windows) );
/* check if we have reached the last window on this reference... */
if ( self->current_window == NULL )
{
return SILENT_RC( rcAlign, rcIterator, rcAccessing, rcOffset, rcDone );
}
/* point to the first entry in this window... */
self->current_entry = ( pi_entry * )DLListHead( &(self->current_window->pi_entries) );
/* if the caller wants to know first_pos / len */
if ( first_pos != NULL )
{
*first_pos = self->current_window->w.first;
}
if ( len != NULL )
{
*len = self->current_window->w.len;
}
return rc;
}
LIB_EXPORT rc_t CC PlacementSetIteratorNextReference ( PlacementSetIterator *self,
INSDC_coord_zero *first_pos, INSDC_coord_len *len, struct ReferenceObj const ** refobj )
{
rc_t rc = 0;
if ( refobj != NULL ) {
*refobj = NULL;
}
if ( self == NULL )
return RC( rcAlign, rcIterator, rcReleasing, rcSelf, rcNull );
pl_set_iter_clear_curr_ref_window( self );
pl_set_iter_clear_curr_ref( self );
self->current_entry = NULL; /* what is the current pi-entry, we are handling ? */
/* !!! here we are taking the next reference from the top of the list */
self->current_ref = ( pi_ref * )DLListPopHead ( &self->pi_refs );
if ( self->current_ref == NULL )
{
return SILENT_RC( rcAlign, rcIterator, rcAccessing, rcOffset, rcDone );
}
if ( first_pos != NULL ) *first_pos = self->current_ref->outer.first;
if ( len != NULL) *len = self->current_ref->outer.len;
/* if the caller wants to know the ref-obj... */
if ( refobj != NULL )
{
pi_window *pw = ( pi_window * )DLListHead( &(self->current_ref->pi_windows) );
if ( pw != NULL )
{
pi_entry * pie = ( pi_entry * )DLListHead( &(pw->pi_entries) );
if ( pie != NULL )
{
rc = PlacementIteratorRefObj( pie->pi, refobj );
}
}
}
return rc;
}
LIB_EXPORT rc_t CC PlacementSetIteratorRelease ( const PlacementSetIterator *cself )
{
rc_t rc = 0;
if ( cself == NULL )
rc = RC( rcAlign, rcIterator, rcReleasing, rcSelf, rcNull );
else
{
if ( KRefcountDrop( &cself->refcount, "PlacementSetIterator" ) == krefWhack )
{
PlacementSetIterator * self = ( PlacementSetIterator * ) cself;
pl_set_iter_clear_curr_ref_window( self );
pl_set_iter_clear_curr_ref( self );
/* release the DLList of pi-ref's and the pi's in it... */
DLListWhack ( &self->pi_refs, pi_ref_whacker, NULL );
AlignMgrRelease ( self->amgr );
free( self );
}
}
return rc;
}
