SGSubsystem classes: Whitespace standardisation of the declarations.

This is a clean up commit prior to the subsystem API standardisation to simplify
the diffs.  It includes all SGSubsystem and SGSubsystemGroup derived classes.

simgear/structure/SGPerfMon.hxx

@@ -34,7 +34,6 @@ class SampleStatistic;
 
 class SGPerformanceMonitor : public SGSubsystem
 {
-
 public:
     SGPerformanceMonitor(SGSubsystemMgr* subSysMgr, SGPropertyNode_ptr root);
 

simgear/structure/event_mgr.hxx

@@ -8,11 +8,12 @@
 
 class SGEventMgr;
 
-class SGTimer {
+class SGTimer
+{
 public:
     ~SGTimer();
     void run();
-    
+
     std::string name;
     double interval;
     SGCallback* callback;
@@ -20,7 +21,8 @@ public:
     bool running;
 };
 
-class SGTimerQueue {
+class SGTimerQueue
+{
 public:
     SGTimerQueue(int preSize=1);
     ~SGTimerQueue();
@@ -37,8 +39,9 @@ public:
     double   nextTime()  { return -_table[0].pri; }
 
     SGTimer* findByName(const std::string& name) const;
-    
+
     void dump();
+
 private:
     // The "priority" is stored as a negative time.  This allows the
     // implementation to treat the "top" of the heap as the largest
@@ -50,9 +53,9 @@ private:
     int rchild(int n) { return ((n+1)*2 + 1) - 1; }
     double pri(int n) { return _table[n].pri; }
     void swap(int a, int b) {
-	HeapEntry tmp = _table[a];
-	_table[a] = _table[b];
-	_table[b] = tmp;
+        HeapEntry tmp = _table[a];
+        _table[a] = _table[b];
+        _table[b] = tmp;
     }
     void siftDown(int n);
     void siftUp(int n);
@@ -77,6 +80,7 @@ public:
     virtual void update(double delta_time_sec);
     virtual void unbind();
     virtual void shutdown();
+
     void setRealtimeProperty(SGPropertyNode* node) { _rtProp = node; }
 
     /**
@@ -119,8 +123,9 @@ public:
 
 
     void removeTask(const std::string& name);
-    
+
     void dump();
+
 private:
     friend class SGTimer;
 
@@ -130,7 +135,7 @@ private:
 
     SGPropertyNode_ptr _freezeProp;
     SGPropertyNode_ptr _rtProp;
-    SGTimerQueue _rtQueue; 
+    SGTimerQueue _rtQueue;
     SGTimerQueue _simQueue;
     bool _inited, _shutdown;
 };

simgear/structure/subsystem_mgr.hxx

@@ -127,6 +127,7 @@ typedef void (*SGSubsystemTimingCb)(void* userData, const std::string& name, Sam
  * subsystems may also override the suspend() and resume() methods to
  * take different actions.</p>
  */
+
 class SGSubsystem : public SGReferenced
 {
 public:
@@ -342,24 +343,24 @@ public:
 protected:
     friend class SGSubsystemMgr;
     friend class SGSubsystemGroup;
-    
+
     void set_name(const std::string& n);
 
     void set_group(SGSubsystemGroup* group);
-    
+
     /// composite name for the subsystem (type name and instance name if this
     /// is an instanced subsystem. (Since this member was originally defined as
     /// protected, not private, we can't rename it easily)
     std::string _name;
-    
-  bool _suspended = false;
 
-  eventTimeVec timingInfo;
+    bool _suspended = false;
 
-  static SGSubsystemTimingCb reportTimingCb;
-  static void* reportTimingUserData;
-  static bool reportTimingStatsRequest;
-  static int maxTimePerFrame_ms;
+    eventTimeVec timingInfo;
+
+    static SGSubsystemTimingCb reportTimingCb;
+    static void* reportTimingUserData;
+    static bool reportTimingStatsRequest;
+    static int maxTimePerFrame_ms;
 
 private:
     SGSubsystemGroup* _group = nullptr;
@@ -416,9 +417,9 @@ public:
      */
     void set_fixed_update_time(double fixed_dt);
 
-	/**
-	 * retrive list of member subsystem names
-	 */
+    /**
+     * retrive list of member subsystem names
+     */
     string_list member_names() const;
 
     template<class T>
@@ -431,6 +432,7 @@ public:
     { return true; }
     
     SGSubsystemMgr* get_manager() const override;
+
 private:
     void forEach(std::function<void(SGSubsystem*)> f);
     void reverseForEach(std::function<void(SGSubsystem*)> f);
@@ -575,11 +577,11 @@ public:
             SOFT,
             PROPERTY
         };
-        
+
         std::string name;
         Type type;
     };
-    
+
     using DependencyVec = std::vector<SGSubsystemMgr::Dependency>;
     using SubsystemFactoryFunctor = std::function<SGSubsystemRef()>;