SendableChooser.h

/*----------------------------------------------------------------------------*/
/* Copyright (c) 2011-2020 FIRST. All Rights Reserved.                        */
/* Open Source Software - may be modified and shared by FRC teams. The code   */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project.                                                               */
/*----------------------------------------------------------------------------*/
 
#pragma once
 
#include <memory>
 
#include <wpi/StringMap.h>
#include <wpi/StringRef.h>
#include <wpi/deprecated.h>
 
#include "frc/smartdashboard/SendableBuilder.h"
#include "frc/smartdashboard/SendableChooserBase.h"
 
namespace frc {
 
template <class T>
class SendableChooser : public SendableChooserBase {
  wpi::StringMap<T> m_choices;
 
  template <class U>
  static U _unwrap_smart_ptr(const U& value);
 
  template <class U>
  static U* _unwrap_smart_ptr(const std::unique_ptr<U>& value);
 
  template <class U>
  static std::weak_ptr<U> _unwrap_smart_ptr(const std::shared_ptr<U>& value);
 
 public:
  ~SendableChooser() override = default;
 
  void AddOption(wpi::StringRef name, T object);
  void SetDefaultOption(wpi::StringRef name, T object);
 
  WPI_DEPRECATED("use AddOption() instead")
  void AddObject(wpi::StringRef name, T object) { AddOption(name, object); }
 
  WPI_DEPRECATED("use SetDefaultOption() instead")
  void AddDefault(wpi::StringRef name, T object) {
    SetDefaultOption(name, object);
  }
 
  auto GetSelected() -> decltype(_unwrap_smart_ptr(m_choices[""]));
 
  void InitSendable(SendableBuilder& builder) override;
};
 
}  // namespace frc
 
#include "frc/smartdashboard/SendableChooser.inc"