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Add std_auto_ptr.i defining typemaps for returning std::auto_ptr<>.

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These typemaps are currently defined for C#, Java and Python only and the
tests are provided only for these languages.

Also add a brief description of the new header to the documentation.
This commit is contained in:
Vadim Zeitlin 2013-11-27 15:44:46 +01:00
commit ed28725a15
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Lib/csharp/std_auto_ptr.i Normal file
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/*
The typemaps here allow to handle 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 {};
}