diff options
Diffstat (limited to 'Lib/ruby/std_auto_ptr.i')
| -rw-r--r-- | Lib/ruby/std_auto_ptr.i | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/Lib/ruby/std_auto_ptr.i b/Lib/ruby/std_auto_ptr.i index ecaea2b0f..d062886e4 100644 --- a/Lib/ruby/std_auto_ptr.i +++ b/Lib/ruby/std_auto_ptr.i @@ -1,19 +1,33 @@ /* ----------------------------------------------------------------------------- * 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). + * SWIG library file for handling std::auto_ptr. + * Memory ownership is passed from the std::auto_ptr C++ layer to the proxy + * class when returning a std::auto_ptr from a function. + * Memory ownership is passed from the proxy class to the std::auto_ptr in the + * C++ layer when passed as a parameter to a wrapped function. * ----------------------------------------------------------------------------- */ %define %auto_ptr(TYPE) +%typemap(in, noblock=1) std::auto_ptr< TYPE > (void *argp = 0, int res = 0) { + res = SWIG_ConvertPtr($input, &argp, $descriptor(TYPE *), SWIG_POINTER_RELEASE | %convertptr_flags); + if (!SWIG_IsOK(res)) { + if (res == SWIG_ERROR_RELEASE_NOT_OWNED) { + %releasenotowned_fail(res, "TYPE *", $symname, $argnum); + } else { + %argument_fail(res, "TYPE *", $symname, $argnum); + } + } + $1.reset((TYPE *)argp); +} + %typemap (out) std::auto_ptr< TYPE > %{ - %set_output(SWIG_NewPointerObj($1.release(), $descriptor(TYPE *), SWIG_POINTER_OWN | %newpointer_flags)); + %set_output(SWIG_NewPointerObj($1.release(), $descriptor(TYPE *), SWIG_POINTER_OWN | %newpointer_flags)); %} + %template() std::auto_ptr< TYPE >; %enddef namespace std { - template <class T> class auto_ptr {}; + template <class T> class auto_ptr {}; } |