Lib/csharp/std_auto_ptr.i


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/* -----------------------------------------------------------------------------
 * std_auto_ptr.i
 *
 * The typemaps here allow handling functions returning std::auto_ptr<>,
 * which is the most common use of this type. If you have functions taking it
 * as parameter, these typemaps can't be used for them and you need to do
 * something else (e.g. use shared_ptr<> which SWIG supports fully).
 * ----------------------------------------------------------------------------- */

%define %auto_ptr(TYPE)
%typemap (ctype) std::auto_ptr< TYPE > "void *"
%typemap (imtype, out="System.IntPtr") std::auto_ptr< TYPE > "HandleRef"
%typemap (cstype) std::auto_ptr< TYPE > "$typemap(cstype, TYPE)"
%typemap (out) std::auto_ptr< TYPE > %{
   $result = (void *)$1.release();
%}
%typemap(csout, excode=SWIGEXCODE) std::auto_ptr< TYPE > {
     System.IntPtr cPtr = $imcall;
     $typemap(cstype, TYPE) ret = (cPtr == System.IntPtr.Zero) ? null : new $typemap(cstype, TYPE)(cPtr, true);$excode
     return ret;
   }
%template() std::auto_ptr< TYPE >;
%enddef

namespace std {
   template <class T> class auto_ptr {};
}