autodoc/inc/ary/getncast.hxx

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  15  *   License, Version 2.0 (the "License"); you may not use this file
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef ARY_GETNCAST_HXX
  21 #define ARY_GETNCAST_HXX
  22
  23
  24 // USED SERVICES
  25 #include <ary/object.hxx>
  26
  27
  28
  29
  30 namespace ary
  31 {
  32
  33
  34 template <class DEST>
  35 inline bool
  36 is_type(const ary::Object & i_obj)
  37 {
  38     return i_obj.AryClass() == DEST::class_id;
  39 }
  40
  41
  42 template <class DEST>
  43 inline const DEST &
  44 ary_cast( const Object & ce)
  45 {
  46     csv_assert( is_type<DEST>(ce) );
  47     return static_cast< const DEST& >(ce);
  48 }
  49
  50 template <class DEST>
  51 inline DEST &
  52 ary_cast( Object & ce)
  53 {
  54     csv_assert( is_type<DEST>(ce) );
  55     return static_cast< DEST& >(ce);
  56 }
  57
  58 template <class DEST>
  59 inline const DEST *
  60 ary_cast( const Object * ce)
  61 {
  62     if ( ce ? is_type<DEST>(*ce) : false )
  63         return static_cast< const DEST* >(ce);
  64     return 0;
  65 }
  66
  67 template <class DEST>
  68 inline DEST *
  69 ary_cast( Object * ce)
  70 {
  71     if ( ce ? is_type<DEST>(*ce) : false )
  72         return static_cast< DEST* >(ce);
  73     return 0;
  74 }
  75
  76
  77
  78
  79 }   // namespace ary
  80 #endif
  81
  82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */