////////////////////////////////////////////////////////////////////////////////
// Copyright 2016 Google Inc.
//
// This software is licensed under the terms defined in the Widevine Master
// License Agreement. For a copy of this agreement, please contact
// widevine-licensing@google.com.
////////////////////////////////////////////////////////////////////////////////

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

%define _UNIQUE_PTR_TEMPLATE(type)
template <> class std::unique_ptr <type> {};
%enddef

%define UNIQUE_PTR(type)
_UNIQUE_PTR_TEMPLATE(type);

%typemap(out) std::unique_ptr<type> %{
  $result = SWIG_NewPointerObj(
      SWIG_as_voidptr($1.release()), $descriptor(type*), SWIG_POINTER_OWN);
%}
%enddef

%define UNIQUE_PTR_WITH_ERROR(type, err_str)
_UNIQUE_PTR_TEMPLATE(type);

%typemap(out) std::unique_ptr<type> %{
  if ($1) {
    $result = SWIG_NewPointerObj(
        SWIG_as_voidptr($1.release()), $descriptor(type*), SWIG_POINTER_OWN);
  } else {
    SWIG_exception(SWIG_ValueError, err_str);
  }
%}
%enddef

%define UNIQUE_PTR_ARGOUT(type, arg_name)
_UNIQUE_PTR_TEMPLATE(type)

%typemap(in, numinputs=0) std::unique_ptr<type>* arg_name
    (std::unique_ptr<type> temp) %{
  $1 = &temp;
%}

%typemap(argout) std::unique_ptr<type>* arg_name %{
  %append_output(SWIG_NewPointerObj(SWIG_as_voidptr($1->release()),
      $descriptor(type*), SWIG_POINTER_OWN));
%}
%enddef