[wpilib] Rename PneumaticsHub to PneumaticHub (#3686)

Fixes #3684.

wpilibc/src/main/native/include/frc/PneumaticHub.h

@@ -0,0 +1,77 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+#pragma once
+
+#include <memory>
+
+#include <hal/Types.h>
+#include <wpi/DenseMap.h>
+#include <wpi/mutex.h>
+
+#include "PneumaticsBase.h"
+
+namespace frc {
+class PneumaticHub : public PneumaticsBase {
+ public:
+  PneumaticHub();
+  explicit PneumaticHub(int module);
+
+  ~PneumaticHub() override = default;
+
+  bool GetCompressor() const override;
+
+  void SetClosedLoopControl(bool enabled) override;
+
+  bool GetClosedLoopControl() const override;
+
+  bool GetPressureSwitch() const override;
+
+  double GetCompressorCurrent() const override;
+
+  void SetSolenoids(int mask, int values) override;
+
+  int GetSolenoids() const override;
+
+  int GetModuleNumber() const override;
+
+  int GetSolenoidDisabledList() const override;
+
+  void FireOneShot(int index) override;
+
+  void SetOneShotDuration(int index, units::second_t duration) override;
+
+  bool CheckSolenoidChannel(int channel) const override;
+
+  int CheckAndReserveSolenoids(int mask) override;
+
+  void UnreserveSolenoids(int mask) override;
+
+  bool ReserveCompressor() override;
+
+  void UnreserveCompressor() override;
+
+  Solenoid MakeSolenoid(int channel) override;
+  DoubleSolenoid MakeDoubleSolenoid(int forwardChannel,
+                                    int reverseChannel) override;
+  Compressor MakeCompressor() override;
+
+ private:
+  class DataStore;
+  friend class DataStore;
+  friend class PneumaticsBase;
+  PneumaticHub(HAL_REVPHHandle handle, int module);
+
+  static std::shared_ptr<PneumaticsBase> GetForModule(int module);
+
+  std::shared_ptr<DataStore> m_dataStore;
+  HAL_REVPHHandle m_handle;
+  int m_module;
+
+  static wpi::mutex m_handleLock;
+  static std::unique_ptr<wpi::DenseMap<int, std::weak_ptr<DataStore>>>
+      m_handleMap;
+  static std::weak_ptr<DataStore>& GetDataStore(int module);
+};
+}  // namespace frc