Clean up namespaces

include/gz/transport/Clock.hh

@@ -26,104 +26,100 @@
 #include "gz/transport/config.hh"
 #include "gz/transport/Export.hh"
 
-namespace gz
+namespace gz::transport
 {
-  namespace transport
+// Inline bracket to help doxygen filtering.
+inline namespace GZ_TRANSPORT_VERSION_NAMESPACE {
+  //
+  //////////////////////////////////////////////////
+  /// \brief A Clock interface for time tracking
+  class GZ_TRANSPORT_VISIBLE Clock
   {
-    // Inline bracket to help doxygen filtering.
-    inline namespace GZ_TRANSPORT_VERSION_NAMESPACE {
-      //
-      //////////////////////////////////////////////////
-      /// \brief A Clock interface for time tracking
-      class GZ_TRANSPORT_VISIBLE Clock
-      {
-        /// \brief Gets clock time
-        /// \return Current clock time, in nanoseconds
-        public: virtual std::chrono::nanoseconds Time() const = 0;
-
-        /// \brief Checks whether the clock is ready to be used or not.
-        /// \return True if clock is ready to be used, false otherwise
-        public: virtual bool IsReady() const = 0;
-
-        /// \brief Virtual destructor
-        public: virtual ~Clock() = default;
-      };
-
-      ////////////////////////////////////////////////////////////////
-      /// \brief A Clock interface implementation that uses
-      /// gz::msgs::Clock messages distributed across
-      /// the network
-      class GZ_TRANSPORT_VISIBLE NetworkClock : public Clock
-      {
-        /// \brief Network clock time bases
-        public: enum class TimeBase : int64_t
-        {
-          REAL,  ///< Use Clock message `real` time field as time base
-          SIM,   ///< Use Clock message `sim` time field as time base
-          SYS    ///< Use Clock message `sys` time field as time base
-        };
-
-        /// \brief Constructor that sets the initial time range option
-        /// \param[in] _topicName Name of the gz::msgs::Clock type
-        /// topic to be used
-        /// \param[in] _timeBase Time base for this clock, defaults to
-        /// simulation time
-        public: explicit NetworkClock(const std::string &_topicName,
-                                      const TimeBase _timeBase = TimeBase::SIM);
-
-        /// \brief Destructor
-        public: ~NetworkClock() override;
-
-        // Documentation inherited
-        public: std::chrono::nanoseconds Time() const override;
-
-        /// \brief Sets and distributes the given clock time
-        /// \param[in] _time The clock time to be set
-        /// \remarks No clock arbitration is performed
-        public: void SetTime(const std::chrono::nanoseconds _time);
-
-        // Documentation inherited
-        public: bool IsReady() const override;
-
-        /// \internal Implementation of this class
-        private: class Implementation;
-
-        /// \internal Pointer to the implementation of this class
-        GZ_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
-        private: std::unique_ptr<Implementation> dataPtr;
-        GZ_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING
-      };
-
-      //////////////////////////////////////////////////
-      /// \brief A Clock implementation that leverages host OS time APIs
-      class GZ_TRANSPORT_VISIBLE WallClock : public Clock
-      {
-        /// \brief Returns system wall clock interface
-        /// \return The sole wall clock instance (a singleton)
-        public: static WallClock* Instance();
-
-        // Documentation inherited
-        public: std::chrono::nanoseconds Time() const override;
-
-        // Documentation inherited
-        public: bool IsReady() const override;
-
-        /// \internal Private singleton constructor
-        private: WallClock();
-
-        /// \brief Destructor
-        private: ~WallClock() override;
-
-        /// \internal Implementation of this class
-        private: class Implementation;
-
-        /// \internal Pointer to the implementation of this class
-        GZ_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
-        private: std::unique_ptr<Implementation> dataPtr;
-        GZ_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING
-      };
-    }
-  }
-}
-
-#endif
+    /// \brief Gets clock time
+    /// \return Current clock time, in nanoseconds
+    public: virtual std::chrono::nanoseconds Time() const = 0;
+
+    /// \brief Checks whether the clock is ready to be used or not.
+    /// \return True if clock is ready to be used, false otherwise
+    public: virtual bool IsReady() const = 0;
+
+    /// \brief Virtual destructor
+    public: virtual ~Clock() = default;
+  };
+
+  ////////////////////////////////////////////////////////////////
+  /// \brief A Clock interface implementation that uses
+  /// gz::msgs::Clock messages distributed across
+  /// the network
+  class GZ_TRANSPORT_VISIBLE NetworkClock : public Clock
+  {
+    /// \brief Network clock time bases
+    public: enum class TimeBase : int64_t
+    {
+      REAL,  ///< Use Clock message `real` time field as time base
+      SIM,   ///< Use Clock message `sim` time field as time base
+      SYS    ///< Use Clock message `sys` time field as time base
+    };
+
+    /// \brief Constructor that sets the initial time range option
+    /// \param[in] _topicName Name of the gz::msgs::Clock type
+    /// topic to be used
+    /// \param[in] _timeBase Time base for this clock, defaults to
+    /// simulation time
+    public: explicit NetworkClock(const std::string &_topicName,
+                                  const TimeBase _timeBase = TimeBase::SIM);
+
+    /// \brief Destructor
+    public: ~NetworkClock() override;
+
+    // Documentation inherited
+    public: std::chrono::nanoseconds Time() const override;
+
+    /// \brief Sets and distributes the given clock time
+    /// \param[in] _time The clock time to be set
+    /// \remarks No clock arbitration is performed
+    public: void SetTime(const std::chrono::nanoseconds _time);
+
+    // Documentation inherited
+    public: bool IsReady() const override;
+
+    /// \internal Implementation of this class
+    private: class Implementation;
+
+    /// \internal Pointer to the implementation of this class
+    GZ_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
+    private: std::unique_ptr<Implementation> dataPtr;
+    GZ_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING
+  };
+
+  //////////////////////////////////////////////////
+  /// \brief A Clock implementation that leverages host OS time APIs
+  class GZ_TRANSPORT_VISIBLE WallClock : public Clock
+  {
+    /// \brief Returns system wall clock interface
+    /// \return The sole wall clock instance (a singleton)
+    public: static WallClock* Instance();
+
+    // Documentation inherited
+    public: std::chrono::nanoseconds Time() const override;
+
+    // Documentation inherited
+    public: bool IsReady() const override;
+
+    /// \internal Private singleton constructor
+    private: WallClock();
+
+    /// \brief Destructor
+    private: ~WallClock() override;
+
+    /// \internal Implementation of this class
+    private: class Implementation;
+
+    /// \internal Pointer to the implementation of this class
+    GZ_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
+    private: std::unique_ptr<Implementation> dataPtr;
+    GZ_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING
+  };
+  }  // namespace GZ_TRANSPORT_VERSION_NAMESPACE
+}  // namespace gz::transport
+#endif  // GZ_TRANSPORT_CLOCK_HH_