Protocol UITableViewDataSource is not called from xib - Swift - swift

Question

I don't know why my protocol UITableViewDataSource is not execute when i run the APP.
Here my xib design:
My init of class from xib is: CustomSearchDestination
#IBOutlet weak var searchText: UITextField!
#IBOutlet weak var tableView: UITableView!
let xibName = "CustomSearchDestination"
var destinationListLocal: [Destinos] = []
var SearchViewControllerView: SearchViewController?
required init(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)!
xibSetup(xibName)
SearchViewControllerView = SearchViewController()
self.tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")
searchText.delegate = self
tableView.delegate = self
tableView.dataSource = self
}
override init(frame: CGRect) {
super.init(frame : frame)
xibSetup(xibName)
}
Inside of this class have implemented the protocol UITableViewDelegate and UITableViewDataSource
extension CustomSearchDestination: UITableViewDelegate {
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
print("El count es: \(destinationListLocal.count)")
return destinationListLocal.count
}
public func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
let selectedCell: UITableViewCell = tableView.cellForRow(at: indexPath)!
searchText.text = selectedCell.textLabel!.text
}}
extension CustomSearchDestination: UITableViewDataSource {
public func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath) as UITableViewCell
let index = indexPath.row as Int
if destinationListLocal.count == 0 {
if let str = destinationListLocal[index].desDestino {
cell.textLabel?.text = str
}
}
return cell
}}
Can someone point me my mistake?
EDIT: My hierarchy is:
I have a xib where i put other xib like this:
this is my class CustomViewHandler. So.. my class CustomSearchDestination is a class of the superClass CustomViewHandler.
At the same time is a class of CustomSearch
class CustomViewHandler : UIView {
var view: UIView!
var controllerView : UIView!
// Keyboard
var activeField : UITextField?
var isKeyboardVisible = false
var fixValue : CGFloat?
var keyboardSize : CGFloat = 280
fileprivate func loadViewFromNib(_ nibName: String) -> UIView {
let bundle = Bundle(for: type(of: self))
let nib = UINib(nibName: nibName, bundle: bundle)
// Assumes UIView is top level and only object in CustomView.xib file
let view = nib.instantiate(withOwner: self, options: nil)[0] as! UIView
return view
}
func xibSetup(_ nibName: String) {
view = loadViewFromNib(nibName)
// use bounds not frame or it'll be offset
view.frame = bounds
// Makes the view stretch with containing view
view.autoresizingMask = [UIViewAutoresizing.flexibleWidth, UIViewAutoresizing.flexibleHeight]
addSubview(view)
}}