src/Main/fg_props.hxx

   1 #ifndef __FG_PROPS_HXX
   2 #define __FG_PROPS_HXX 1
   3
   4 #include <simgear/debug/logstream.hxx>
   5 #include <simgear/misc/props.hxx>
   6 #include "globals.hxx"
   7
   8 \f
   9 ////////////////////////////////////////////////////////////////////////
  10 // Loading and saving properties.
  11 ////////////////////////////////////////////////////////////////////////
  12
  13 extern bool fgSaveFlight (ostream &output);
  14 extern bool fgLoadFlight (istream &input);
  15
  16
  17 \f
  18 ////////////////////////////////////////////////////////////////////////
  19 // Convenience functions for tying properties, with logging.
  20 ////////////////////////////////////////////////////////////////////////
  21
  22 inline void
  23 fgUntie (const string &name)
  24 {
  25   if (!globals->get_props()->untie(name))
  26     FG_LOG(FG_GENERAL, FG_WARN, "Failed to untie property " << name);
  27 }
  28
  29
  30                                 // Templates cause ambiguity here
  31 inline void
  32 fgTie (const string &name, bool *pointer)
  33 {
  34   if (!globals->get_props()->tie(name, SGRawValuePointer<bool>(pointer)))
  35     FG_LOG(FG_GENERAL, FG_WARN,
  36            "Failed to tie property " << name << " to a pointer");
  37 }
  38
  39 inline void
  40 fgTie (const string &name, int *pointer)
  41 {
  42   if (!globals->get_props()->tie(name, SGRawValuePointer<int>(pointer)))
  43     FG_LOG(FG_GENERAL, FG_WARN,
  44            "Failed to tie property " << name << " to a pointer");
  45 }
  46
  47 inline void
  48 fgTie (const string &name, float *pointer)
  49 {
  50   if (!globals->get_props()->tie(name, SGRawValuePointer<float>(pointer)))
  51     FG_LOG(FG_GENERAL, FG_WARN,
  52            "Failed to tie property " << name << " to a pointer");
  53 }
  54
  55 inline void
  56 fgTie (const string &name, double *pointer)
  57 {
  58   if (!globals->get_props()->tie(name, SGRawValuePointer<double>(pointer)))
  59     FG_LOG(FG_GENERAL, FG_WARN,
  60            "Failed to tie property " << name << " to a pointer");
  61 }
  62
  63 inline void
  64 fgTie (const string &name, string *pointer)
  65 {
  66   if (!globals->get_props()->tie(name, SGRawValuePointer<string>(pointer)))
  67     FG_LOG(FG_GENERAL, FG_WARN,
  68            "Failed to tie property " << name << " to a pointer");
  69 }
  70
  71 template <class V>
  72 inline void
  73 fgTie (const string &name, V (*getter)(), void (*setter)(V) = 0)
  74 {
  75   if (!globals->get_props()->tie(name, SGRawValueFunctions<V>(getter, setter)))
  76     FG_LOG(FG_GENERAL, FG_WARN,
  77            "Failed to tie property " << name << " to functions");
  78 }
  79
  80 template <class V>
  81 inline void
  82 fgTie (const string &name, int index, V (*getter)(int),
  83        void (*setter)(int, V) = 0)
  84 {
  85   if (!globals->get_props()->tie(name,
  86                                  SGRawValueFunctionsIndexed<V>(index,
  87                                                                getter,
  88                                                                setter)))
  89     FG_LOG(FG_GENERAL, FG_WARN,
  90            "Failed to tie property " << name << " to indexed functions");
  91 }
  92
  93 template <class T, class V>
  94 inline void
  95 fgTie (const string &name, T * obj, V (T::*getter)() const,
  96        void (T::*setter)(V) = 0)
  97 {
  98   if (!globals->get_props()->tie(name,
  99                                  SGRawValueMethods<T,V>(*obj, getter, setter)))
 100     FG_LOG(FG_GENERAL, FG_WARN,
 101            "Failed to tie property " << name << " to object methods");
 102 }
 103
 104 template <class T, class V>
 105 inline void
 106 fgTie (const string &name, T * obj, int index,
 107        V (T::*getter)(int) const, void (T::*setter)(int, V) = 0)
 108 {
 109   if (!globals->get_props()->tie(name,
 110                                  SGRawValueMethodsIndexed<T,V>(*obj,
 111                                                                index,
 112                                                                getter,
 113                                                                setter)))
 114     FG_LOG(FG_GENERAL, FG_WARN,
 115            "Failed to tie property " << name << " to indexed object methods");
 116 }
 117
 118
 119 #endif // __FG_PROPS_HXX
 120